Building material hardness detection device

Abstract

The utility model relates to the technical field of detection, in particular to a building material hardness detection device, and aims to solve the problems that in the prior art, part of devices cannot fix building materials in place, detection data are affected, and when part of materials are subjected to pressure detection, the materials are collapsed and fly, workers are injured, and the detection efficiency is high. In order to solve the problems that in the prior art, a plurality of clamping jaws are matched with a plurality of rollers and cannot be effectively protected, the following scheme is provided: the device comprises a base, a plurality of supporting rods are fixed on the base, a plurality of sliding rods are respectively connected to the supporting rods in a sliding manner, a protective cover is fixedly mounted on the sliding rods, and an observation window is arranged on the protective cover. A material can be fixed on the base, the friction force can be effectively reduced through the multiple rolling wheels, meanwhile, the multiple clamping claws can be folded, the material can be conveniently placed on the base, the protective cover protects a detection area, fragments are prevented from hurting people, and the safety can be effectively improved.

Description

Technical Field

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

[0002] Building materials are various materials used in construction projects. There are many types of building materials, which can be roughly divided into: (1) Inorganic materials, which include metal materials (including ferrous metal materials and non-ferrous metal materials) and non-metallic materials (such as natural stone, burnt earth products, cement, concrete and silicate products, etc.). (2) Organic materials, which include plant materials, synthetic polymer materials (including plastics, coatings, adhesives) and asphalt materials. (3) Composite materials, which include asphalt concrete, polymer concrete, etc., are generally composed of inorganic non-metallic materials and organic materials. Today's building materials generally have very high requirements for hardness. The so-called hardness is the ability of a material to resist the pressure of a harder object into its surface. According to different test methods and applicable ranges, hardness units can be divided into many types such as Brinell hardness, Vickers hardness, Rockwell hardness and micro-Vickers hardness. Different units have different test methods and are suitable for materials or occasions with different characteristics.

[0003] In the prior art, some devices fail to fix the building materials in place, which affects the test data. In addition, some materials may fly apart during pressure testing, causing harm to workers, and they cannot be effectively protected. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings that some devices fail to fix the building materials in place, affecting the test data, and some materials fly apart during pressure testing, causing injuries to the staff and failing to effectively protect them, and to propose a building material hardness testing device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A building material hardness detection device comprises a base, a plurality of support rods are fixed on the base, a plurality of sliding rods are slidably connected to the plurality of support rods, a protective cover is fixedly installed on the plurality of sliding rods, an observation window is provided on the protective cover, a top plate is fixedly installed on the plurality of support rods, a hydraulic press is fixedly installed on the top plate, a motor is fixedly installed in the base, and a transmission mechanism is provided on the output shaft of the motor.

[0007] Preferably, the base is provided with a plurality of first grooves and a plurality of second grooves, a plurality of rollers are rotatably installed in the plurality of first grooves respectively, and a clamping claw is slidably connected in the plurality of second grooves. The plurality of rollers reduce the friction force of the material when clamping, and facilitate the concentration of the material in the middle of the base.

[0008] Preferably, a plurality of first bidirectional threaded rods are rotatably installed in the base, a plurality of second bidirectional threaded rods are rotatably installed in the base, a plurality of first bidirectional threaded rods and a plurality of second bidirectional threaded rods are respectively threadedly connected with a plurality of first moving blocks and a plurality of second moving blocks, the plurality of first bidirectional threaded rods drive the plurality of first moving blocks to move toward each other, and the plurality of second bidirectional threaded rods drive the plurality of second moving blocks to move toward each other.

[0009] Preferably, multiple rotating shafts are rotatably installed on the multiple first moving blocks and the multiple second moving blocks respectively, and limiting rods are fixedly installed in the multiple rotating shafts. The multiple rotating shafts are fixedly connected to the multiple clamping claws respectively. The multiple first moving blocks and the multiple second moving blocks respectively drive the multiple rotating shafts above them to move synchronously, and the multiple limiting rods limit and support the clamping plates.

[0010] Preferably, a first sprocket is fixedly mounted on the output shaft of the motor, the first sprocket is meshed with a first chain, a plurality of second sprockets are meshed on the first chain, the plurality of second sprockets are respectively fixedly connected to a plurality of first bidirectional threaded rods, and the motor drives the plurality of first bidirectional threaded rods to operate via the first sprocket, the first chain and the plurality of second sprockets, thereby realizing linkage.

[0011] Preferably, the transmission mechanism includes a first bevel gear, the first bevel gear is fixedly connected to the output shaft of the motor, the first bevel gear is meshed with a second bevel gear, a third sprocket is fixedly mounted on the second bevel gear, and the motor drives the third sprocket to operate by driving the first bevel gear and the second bevel gear.

[0012] Preferably, the third sprocket is meshed with the second chain, the second chain is meshed with the fourth sprocket, the fourth sprocket is fixedly mounted with the fifth sprocket, and the third sprocket drives the fifth sprocket to operate via the second chain and the fourth sprocket.

[0013] Preferably, the fifth sprocket is meshed with a third chain, and the third chain is meshed with multiple sixth sprockets, and the multiple sixth sprockets are respectively fixedly connected to the multiple second bidirectional threaded rods. The fifth sprocket drives the multiple sixth sprockets to operate through the third chain, and drives the multiple second bidirectional threaded rods to operate.

[0014] Compared with the prior art, the advantages of the utility model are:

[0015] (1) A plurality of first bidirectional threaded rods and a plurality of second bidirectional threaded rods are used to drive a plurality of clamping claws to stably clamp the material above the base, and the plurality of clamping claws can be folded to facilitate placing the material on the base.

[0016] (2) The protective cover can protect the detection area to prevent material breakage and splashing injuries, which can effectively improve safety.

[0017] The utility model has a simple structure. Multiple clamping claws cooperate with multiple rollers to fix the material on the base. The multiple rollers can effectively reduce the friction force. At the same time, the multiple clamping claws can be folded to facilitate placing the material on the base. The protective cover protects the detection area to prevent broken pieces from hurting people, which can effectively improve safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural schematic diagram of a building material hardness detection device proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of a base of a building material hardness testing device proposed by the utility model;

[0020] Figure 3 This is a schematic diagram of the transmission mechanism structure of a building material hardness detection device proposed by the utility model;

[0021] Figure 4 The utility model provides a schematic diagram of the exploded structure of the clamping claw of the building material hardness testing device.

[0022] In the figure: 1. base; 2. support rod; 3. sliding rod; 4. protective cover; 5. observation window; 6. top plate; 7. hydraulic press; 8. first groove; 9. second groove; 10. roller; 11. first bidirectional threaded rod; 12. first moving block; 13. second bidirectional threaded rod; 14. second moving block; 15. motor; 16. first sprocket; 17. first chain; 18. second sprocket; 19. first bevel gear; 20. second bevel gear; 21. second chain; 22. fourth sprocket; 23. third chain; 24. sixth sprocket; 25. clamping claw; 26. rotating shaft; 27. limit rod. DETAILED DESCRIPTION

[0023] The technical solution of this embodiment will be clearly and completely described below in conjunction with the drawings in this embodiment. Obviously, the described embodiment is only a part of this embodiment, rather than all of the embodiments. Example

[0024] Reference Figure 1-Figure 4 A building material hardness detection device includes a base 1, a plurality of support rods 2 are fixed on the base 1, a plurality of sliding rods 3 are slidably connected to the plurality of support rods 2, a protective cover 4 is fixedly installed on the plurality of sliding rods 3, an observation window 5 is provided on the protective cover 4, a top plate 6 is fixedly installed on the plurality of support rods 2, a hydraulic press 7 is fixedly installed on the top plate 6, a motor 15 is fixedly installed in the base 1, and a transmission mechanism is provided on the output shaft of the motor 15.

[0025] In this embodiment, a plurality of first grooves 8 and a plurality of second grooves 9 are provided on the base 1, a plurality of rollers 10 are rotatably installed in the plurality of first grooves 8, and a clamping claw 25 is slidably connected in the plurality of second grooves 9. The plurality of rollers 10 reduce the friction force of the material when clamping, making it convenient to concentrate the material in the middle of the base 1.

[0026] In this embodiment, a plurality of first bidirectional threaded rods 11 are rotatably installed in the base 1, and a plurality of second bidirectional threaded rods 13 are rotatably installed in the base 1. A plurality of first bidirectional threaded rods 11 and a plurality of second bidirectional threaded rods 13 are respectively threadedly connected with a plurality of first moving blocks 12 and a plurality of second moving blocks 14. The plurality of first bidirectional threaded rods 11 drive the plurality of first moving blocks 12 to move toward each other, and the plurality of second bidirectional threaded rods 13 drive the plurality of second moving blocks 14 to move toward each other.

[0027] In this embodiment, multiple first moving blocks 12 and multiple second moving blocks 14 are respectively rotatably installed with multiple rotating shafts 26, and limiting rods 27 are fixedly installed in the multiple rotating shafts 26. The multiple rotating shafts 26 are respectively fixedly connected to the multiple clamping claws 25. The multiple first moving blocks 12 and the multiple second moving blocks 14 respectively drive the multiple rotating shafts 26 above them to move synchronously, and the multiple limiting rods 27 limit and support the clamping plates 25.

[0028] In this embodiment, a first sprocket 16 is fixedly mounted on the output shaft of the motor 15, the first sprocket 16 is meshed with a first chain 17, a plurality of second sprockets 18 are meshed on the first chain 17, the plurality of second sprockets 18 are respectively fixedly connected to a plurality of first bidirectional threaded rods 11, and the motor 15 drives the plurality of first bidirectional threaded rods 11 to operate via the first sprocket 16, the first chain 17 and the plurality of second sprockets 18, thereby realizing linkage.

[0029] In this embodiment, the transmission mechanism includes a first bevel gear 19, which is fixedly connected to the output shaft of the motor 15. The first bevel gear 19 is meshed with a second bevel gear 20, and a third sprocket is fixedly mounted on the second bevel gear 20. The motor 15 drives the third sprocket to operate by driving the first bevel gear 19 and the second bevel gear 20.

[0030] In this embodiment, the third sprocket is meshed with the second chain 21 , the second chain 21 is meshed with the fourth sprocket 22 , the fourth sprocket 22 is fixedly mounted with the fifth sprocket, and the third sprocket drives the fifth sprocket to operate through the second chain 21 and the fourth sprocket 22 .

[0031] In this embodiment, the fifth sprocket is meshed with the third chain 23, and multiple sixth sprockets 24 are meshed on the third chain 23. The multiple sixth sprockets 24 are respectively fixedly connected to the multiple second bidirectional threaded rods 13. The fifth sprocket drives the multiple sixth sprockets 24 to operate through the third chain 23, and drives the multiple second bidirectional threaded rods 13 to operate.

[0032] In this embodiment, the plurality of clamping claws 25 are first stored in the plurality of second grooves 9, and then the material to be tested is placed on the base 1, and the plurality of clamping claws 25 are pulled out from the plurality of second grooves 9 through the plurality of hooks on the plurality of clamping claws 25, so as to facilitate the subsequent fixing and clamping thereof, and the motor 15 is started to drive the first bidirectional threaded rod 11 to operate through the first sprocket 16, the first chain 17 and the plurality of second sprockets 18, so as to drive the plurality of first moving blocks 12 on the plurality of first bidirectional threaded rods 11 to move toward each other, and drive the clamping claws 25 above them to move synchronously, so as to vertically clamp the material on the base 1, and at the same time the motor 15 drives the first bevel gear 19 The second bevel gear 20 drives the third sprocket, the second chain 21 and the fourth sprocket 22 to operate, drives the fifth sprocket, the third chain 23 and multiple sixth sprockets 24 to operate, drives the multiple second moving blocks 14 on the multiple second bidirectional threaded rods 13 to move toward each other, horizontally clamps the material on the base 1, cooperates with the multiple rollers 10 to reduce the friction resistance during movement, the multiple first moving blocks 12 and the multiple second moving blocks 14 are in the same horizontal plane, when the material is fixed and clamped, the staff pulls the multiple sliding rods 3 downward by manpower to cover the protective cover 4 on the material, starts the hydraulic press 7 to detect the material, and observes it through the observation window 5. Example

[0033] The difference between this embodiment and the first embodiment is that a push rod motor is fixedly mounted on the base 1, and the push rod motor is fixedly connected to a plurality of sliding rods 3, so as to conveniently drive the protective cover 4 to move up and down. All structures in this application can be selected in terms of material and length according to actual usage. The accompanying drawings are all schematic structural diagrams, and the specific actual dimensions can be appropriately adjusted.

[0034] The above is only a preferred specific implementation of this embodiment, but the protection scope of this embodiment is not limited to this. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept of this embodiment within the technical scope disclosed in this embodiment, which should be covered by the protection scope of this embodiment.

Claims

1. A building material hardness testing device, comprising a base (1), characterized in that: A plurality of support rods (2) are fixed on the base (1), a plurality of sliding rods (3) are slidably connected to the plurality of support rods (2), a protective cover (4) is fixedly mounted on the plurality of sliding rods (3), an observation window (5) is provided on the protective cover (4), a top plate (6) is fixedly mounted on the plurality of support rods (2), a hydraulic device (7) is fixedly mounted on the top plate (6), a motor (15) is fixedly mounted in the base (1), and a transmission mechanism is provided on the output shaft of the motor (15).

2. A building material hardness detection device according to claim 1, characterized in that: The base (1) is provided with a plurality of first grooves (8) and a plurality of second grooves (9), a plurality of rollers (10) are rotatably mounted in the plurality of first grooves (8), and a clamping claw (25) is slidably connected in the plurality of second grooves (9).

3. A building material hardness detection device according to claim 1, characterized in that: A plurality of first bidirectional threaded rods (11) are rotatably mounted in the base (1), a plurality of second bidirectional threaded rods (13) are rotatably mounted in the base (1), and a plurality of first moving blocks (12) and a plurality of second moving blocks (14) are respectively threadedly connected to the plurality of first bidirectional threaded rods (11) and the plurality of second bidirectional threaded rods (13).

4. A building material hardness detection device according to claim 2, characterized in that: A plurality of rotating shafts (26) are rotatably mounted on the plurality of first moving blocks (12) and the plurality of second moving blocks (14), and a limiting rod (27) is fixedly mounted inside the plurality of rotating shafts (26). The plurality of rotating shafts (26) are fixedly connected to the plurality of clamping claws (25).

5. A building material hardness detection device according to claim 1, characterized in that: A first sprocket (16) is fixedly mounted on the output shaft of the motor (15); the first sprocket (16) is meshed with a first chain (17); a plurality of second sprockets (18) are meshed with the first chain (17); the plurality of second sprockets (18) are respectively fixedly connected to a plurality of first bidirectional threaded rods (11).

6. A building material hardness detection device according to claim 1, characterized in that: The transmission mechanism comprises a first bevel gear (19), the first bevel gear (19) is fixedly connected to the output shaft of the motor (15), the first bevel gear (19) is meshed with a second bevel gear (20), and a third sprocket is fixedly mounted on the second bevel gear (20).

7. A building material hardness detection device according to claim 6, characterized in that: The third sprocket is meshed with a second chain (21), the second chain (21) is meshed with a fourth sprocket (22), and the fourth sprocket (22) is fixedly mounted with a fifth sprocket.

8. A building material hardness detection device according to claim 7, characterized in that: The fifth sprocket is meshed with a third chain (23), a plurality of sixth sprockets (24) are meshed with the third chain (23), and the plurality of sixth sprockets (24) are respectively fixedly connected to a plurality of second bidirectional threaded rods (13).

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