A building material hardness testing device

Abstract

The utility model discloses a building material hardness detection device, including a folding device frame, a top plate, a motor and an internal threaded sleeve, wherein limit rods are fixed at the four corners inside the folding device frame, and a top plate is fixed at the upper end of the limit rods, a fixing plate is sleeved on the four limit rods, and an extension block is fixed at the lower end of the fixing plate, a pressing head is connected to the lower end of the extension block, a U-shaped fixing plate is fixed at the upper end of the top plate, and a motor is fixed at the upper end of the U-shaped fixing plate, the lower end of the motor is connected to an internal threaded sleeve, and the internal threaded sleeve passes through the U-shaped fixing plate and is connected to the U-shaped fixing plate through a bearing, a threaded rod is sleeved inside the internal threaded sleeve, and one end of the threaded rod passes through the top plate and is connected to the fixing plate at the lower end, the internal area of ​​the folding device frame of the utility model can be sleeved on the outer side of the fixing plate, and when the pressing head descends to the building material placed on the placing plate, the fixing plate will be sleeved on the folding device frame to wrap the building material all around to prevent the building material from cracking and causing harm to the surrounding staff.

Description

Technical Field

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

[0002] Hardness test is a common quality control test in the inspection of construction materials. The ability of the metal surface to resist deformation or cracking is called hardness. During the test, an external load is applied to the sample, and the hardness is determined by measuring the deformation generated during the test. So far, there is no unified way to test and express hardness. Most of the existing devices apply pressure to the building material and observe the hardness of the building material by the size of the applied pressure. The hardness is expressed in the form of pressure. The deformation size of the building material itself is not very intuitive to the naked eye, and the building material cannot be evaluated based on the combination of deformation and pressure.

[0003] The announcement number is CN 210803091 U, a building material hardness detection device, this utility model discloses a building material hardness detection device, specifically related to the field of building material detection, including a base, the top of the base is provided with an extrusion mechanism; the extrusion mechanism includes a fixed plate, the fixed plate is fixedly connected to the base, the top of the fixed plate is fixedly provided with a top plate, the bottom of the top plate is fixedly provided with a hydraulic press, the bottom of the hydraulic press is provided with an extrusion block, the output shaft of the hydraulic press is fixedly connected to the extrusion block, the surface of the fixed plate is provided with a slide groove, and the bottom of the inner side of the slide groove is fixedly provided with a spring. The utility model sets an extrusion mechanism, the hydraulic press drives the extrusion block to extrude the positioning block, the lifting rod drives the slider to slide inside the slide groove through the connecting rod, and the slider extrudes the spring at the same time, and then the hardness detection head performs an extrusion test on the building material. Compared with the prior art, the hardness detection head of different shapes can be replaced as needed to effectively detect the hardness of the building material, which effectively improves the detection category of the building material.

[0004] However, in the implementation of relevant technologies, it was found that the building material hardness testing device had the following problems: the device was not equipped with a protective device. When testing building materials, when the building materials are subjected to auxiliary pressure, they may suddenly break or crack, and the scattered broken building materials may cause harm to surrounding workers. Utility Model Content

[0005] The utility model provides a building material hardness detection device, which solves the problem that when the device is not equipped with a protective device, the building materials may suddenly break or crack when subjected to auxiliary pressure during detection, and the scattered broken building materials may cause harm to surrounding workers.

[0006] The technical solution of the utility model is as follows:

[0007] A building material hardness detection device comprises a folding device frame, a top plate, a motor and an internal threaded sleeve, wherein limit rods are vertically fixed at the four corners inside the folding device frame, and the upper ends of the limit rods are fixedly connected to the top plate, a fixing plate is sleeved on the four limit rods, and an extension block is fixedly connected to the lower end of the fixing plate, and a pressing head is connected to the lower end of the extension block, a U-shaped fixing plate is vertically fixed to the upper end of the top plate, and a motor is fixed to the upper end of the U-shaped fixing plate, an internal threaded sleeve is connected to the lower end of the motor, and the internal threaded sleeve passes through the U-shaped fixing plate and is connected to the U-shaped fixing plate through a bearing, and the internal threaded sleeve is arranged inside the U-shaped fixing plate, a threaded rod is sleeved inside the internal threaded sleeve, and one end of the threaded rod passes through the top plate and is connected to the fixing plate at the lower end, and the internal area of ​​the folding device frame can be sleeved on the outside of the fixing plate.

[0008] Preferably, a steering gear is vertically fixed at the four corners of the lower end of the folding device frame through bearings, and a groove is opened inside the steering gear, and a pulley is connected to the groove through a shaft rod.

[0009] Preferably, the diverter forms a rotating structure at the lower end of the folding device frame through a bearing, and the pulley forms a rolling structure with the diverter through a shaft rod.

[0010] Preferably, the bottom surface of the lower end of the folding device frame is set as an inclined surface along the center, and a groove is opened at the bottom of the inclined surface. T-shaped limit plates are vertically fixed on both sides of the lower end of the folding device frame, and the T-shaped limit plates pass through the upper side of the collection box and are movably connected with the collection box.

[0011] Preferably, a blocking plate is placed at the front end of the folding device frame, and the folding device frame and one side of the blocking plate are movably connected through a hinge and a hexagon socket screw.

[0012] Preferably, the blocking plate forms a rotating structure on the folding device frame through hinges and hexagon socket screws, glass is installed inside the blocking plate through a groove, and a safety lock is installed between the two blocking plates.

[0013] Preferably, the fixing plate forms a sliding structure on the limiting rod through an internally threaded sleeve and a threaded rod, and the internally threaded sleeve is driven to rotate by a motor to push the threaded rod to move the fixing plate connected at the lower end.

[0014] Preferably, a placement plate is fixedly connected to both sides of the folding device frame along the direction of the pressing head, and two limiting rods are fixed inside the placement plate.

[0015] The working principle and beneficial effects of the utility model are:

[0016] The device drives the internal threaded sleeve to rotate through a motor, thereby pushing the threaded rod to move the fixed plate connected at the lower end, prompting the extension block and the pressing head connected at the lower end to press down to complete the hardness test. The inner area of ​​the folding device frame can be mounted on the outside of the fixed plate. When the pressing head descends to the building materials placed on the placement plate, the fixed plate will be mounted on the folding device frame to wrap the building materials on all sides. The staff can check the condition of the building materials through the glass on the blocking plate, which solves the problem that the device has no protective device installed. When testing building materials, when the building materials are subjected to auxiliary pressure, they may suddenly break or crack, and the scattered broken building materials may cause harm to the surrounding staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a partial structural sectional view of the utility model;

[0020] Figure 3 for Figure 1 A is an enlarged schematic diagram;

[0021] Figure 4 for Figure 2 The enlarged schematic diagram of point B in FIG.

[0022] In the figure: 1. Device frame; 2. Blocking plate; 3. Glass; 4. Collection box; 5. Safety lock; 6. Limit rod; 7. Fixing plate; 8. Top plate; 9. U-shaped fixing plate; 10. Motor; 11. Internally threaded sleeve; 12. Threaded rod; 13. Extension block; 14. Pressing head; 15. Placement plate; 16. Steering gear; 17. Pulley; 18. T-shaped limit plate; 19. Hinge; 20. Hexagon socket screw. DETAILED DESCRIPTION

[0023] The following will be combined with 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 of 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.

[0024] Example 1

[0025] like Figure 1 to Figure 4As shown, the present embodiment proposes a building material hardness detection device, including a folding device frame 1, a top plate 8, a motor 10 and an internal threaded sleeve 11, the folding device frame 1 has four vertically fixed limit rods 6 at the four corners inside, and the upper end of the limit rod 6 is fixedly connected to the top plate 8, a fixing plate 7 is sleeved on the four limit rods 6, and the lower end of the fixing plate 7 is fixedly connected to an extension block 13, and the lower end of the extension block 13 is connected to a pressing head 14, a U-shaped fixing plate 9 is vertically fixed to the upper end of the top plate 8, and a motor 10 is fixed to the upper end of the U-shaped fixing plate 9, an internal threaded sleeve 11 is connected to the lower end of the motor 10, and the internal threaded sleeve 11 penetrates the U-shaped fixing plate 9 and is connected to the U-shaped fixing plate 9 through a bearing, and the internal threaded sleeve 11 is arranged inside the U-shaped fixing plate 9, and the internal threaded sleeve 11 is inside A threaded rod 12 is sleeved, and one end of the threaded rod 12 passes through the top plate 8 and is connected to the fixed plate 7 at the lower end. The inner area of ​​the folding device frame 1 can be sleeved on the outer side of the fixed plate 7. A blocking plate 2 is placed at the front end of the folding device frame 1, and the folding device frame 1 and one side of the blocking plate 2 are movably connected through a hinge 19 and a hexagon socket screw 20. The blocking plate 2 forms a rotating structure on the folding device frame 1 through the hinge 19 and the hexagon socket screw 20. The glass 3 is installed inside the blocking plate 2 through a groove, and a safety lock 5 is installed between the two blocking plates 2. The fixed plate 7 forms a sliding structure on the limit rod 6 through the internal threaded sleeve 11 and the threaded rod 12. The internal threaded sleeve 11 is driven by the motor 10 to rotate, thereby pushing the threaded rod 12 to move the fixed plate 7 connected at the lower end, and the folding device frame A placing plate 15 is fixedly connected to both sides of the frame 1 along the direction of the pressing head 14, and two limit rods 6 are fixed inside the placing plate 15. The device drives the internal threaded sleeve 11 to rotate through the motor 10, thereby pushing the threaded rod 12 to move the fixed plate 7 connected at the lower end, prompting the extension block 13 and the pressing head 14 connected at the lower end to press down to complete the hardness test. The internal area of ​​the folding device frame 1 can be sleeved on the outer side of the fixed plate 7. When the pressing head 14 descends to the building materials placed on the placing plate 15, the fixed plate 7 will be sleeved on the folding device frame 1 to wrap the building materials all around. The staff can check the condition of the building materials through the glass 3 on the blocking plate 2, which solves the problem that the device has no protective device installed. When testing building materials, when the building materials are subjected to auxiliary pressure, they may suddenly In order to prevent the broken or collapsed building materials from causing harm to the surrounding staff, the bottom surface of the lower end of the folding device frame 1 is set as an inclined plane along the center, and a groove is provided at the bottom of the inclined plane. T-shaped limit plates 18 are vertically fixed on both sides of the lower end of the folding device frame 1, and the T-shaped limit plates 18 penetrate the upper side of the collecting box 4 and are movably connected to the collecting box 4. Fine debris will be generated during the detection process, which will be gathered together through the inclined plane below and flow into the collecting box 4. The debris can be dumped by pulling out the collecting box without cleaning. The four corners of the lower end of the folding device frame 1 are vertically fixed with a steering gear 16 through bearings, and a groove is provided inside the steering gear 16. A pulley 17 is connected in the groove through a shaft rod. The steering gear 16 forms a rotating structure at the lower end of the folding device frame 1 through a bearing.The pulley 17 forms a rolling structure with the steering gear 16 through the shaft rod, and the device can be easily pushed through the steering gear 16 and the pulley 17 for easy transportation.

[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A building material hardness testing device, comprising a folding device frame (1), a top plate (8), a motor (10) and an internal threaded sleeve (11), characterized in that: The four corners of the folding device frame (1) are vertically fixed with limit rods (6), and the upper ends of the limit rods (6) are fixedly connected to a top plate (8). The four limit rods (6) are sleeved with a fixing plate (7), and the lower ends of the fixing plates (7) are fixedly connected to an extension block (13), and the lower ends of the extension blocks (13) are connected to a pressing head (14). The upper end of the top plate (8) is vertically fixed with a U-shaped fixing plate (9), and the upper end of the U-shaped fixing plate (9) is fixed with a motor (10), and the motor (10) is 0) is connected to the lower end thereof with an internal threaded sleeve (11), and the internal threaded sleeve (11) penetrates the U-shaped fixing plate (9) and is connected to the U-shaped fixing plate (9) through a bearing, and the internal threaded sleeve (11) is arranged inside the U-shaped fixing plate (9), a threaded rod (12) is sleeved inside the internal threaded sleeve (11), and one end of the threaded rod (12) penetrates the top plate (8) and is connected to the fixing plate (7) at the lower end, and the internal area of ​​the folding device frame (1) can be sleeved on the outer side of the fixing plate (7).

2. A building material hardness detection device according to claim 1, characterized in that: A diverter (16) is vertically fixed at the four corners of the lower end of the folding device frame (1) through bearings, and a groove is provided inside the diverter (16), and a pulley (17) is connected in the groove through a shaft rod.

3. A building material hardness detection device according to claim 2, characterized in that: The diverter (16) forms a rotating structure at the lower end of the folding device frame (1) through a bearing, and the pulley (17) forms a rolling structure with the diverter (16) through a shaft rod.

4. A building material hardness detection device according to claim 1, characterized in that: The bottom surface of the lower end of the folding device frame (1) is arranged as an inclined surface along the center, and a groove is provided at the bottom end of the inclined surface. T-shaped limit plates (18) are vertically fixed on both sides of the lower end of the folding device frame (1), and the T-shaped limit plates (18) penetrate the upper side of the collection box (4) and are movably connected to the collection box (4).

5. A building material hardness detection device according to claim 1, characterized in that: A blocking plate (2) is placed at the front end of the folding device frame (1), and the folding device frame (1) and one side of the blocking plate (2) are movably connected via a hinge (19) and a hexagon socket screw (20).

6. A building material hardness detection device according to claim 5, characterized in that: The blocking plate (2) forms a rotating structure on the folding device frame (1) through hinges (19) and hexagon socket screws (20); glass (3) is installed inside the blocking plate (2) through a groove, and a safety lock (5) is installed between the two blocking plates (2).

7. A building material hardness detection device according to claim 1, characterized in that: The fixed plate (7) forms a sliding structure on the limiting rod (6) through an internal threaded sleeve (11) and a threaded rod (12); the internal threaded sleeve (11) is driven to rotate by a motor (10), thereby pushing the threaded rod (12) to move the fixed plate (7) connected at the lower end.

8. A building material hardness detection device according to claim 1, characterized in that: A placement plate (15) is fixedly connected to both sides of the folding device frame (1) in the direction of the pressing head (14), and two limit rods (6) are fixed inside the placement plate (15).

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