Concrete hardness detection equipment

Abstract

The utility model provides concrete hardness detection equipment, which relates to the technical field of hardness detection and comprises a device body. The device body is provided with a placing bearing plate in the front-back direction, the rear end of the placing bearing plate is provided with a vertically-through threaded hole, the left side and the right side of the rear portion of the top end face of the placing bearing plate are each provided with a semicircular head block with a left-right through hole, and a clamping rotating rod in the left-right direction is installed between the semicircular head blocks of the placing bearing plate through a bearing. Threads with opposite rotating directions are formed in the outer circumferences of the left side and the right side of the clamping rotating rod, and fixing columns are arranged on the left end face and the right end face of the clamping rotating rod, so that the clamping rotating rod is conveniently mounted on the placement bearing plate through a bearing to bear the clamping moving plate, and a concrete test block is conveniently clamped and fixed through the clamping moving plate; the problems that the concrete test block does not have any fixing measure, the displacement phenomenon is easily generated in the hardness detection process, and fixing measures are inconvenient to add on hardness detection equipment to fix the concrete test block are solved.

Description

Technical Field

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

[0002] Concrete is one of the most commonly used construction materials. By testing the hardness of concrete, the safety and stability of the building structure can be determined and the engineering quality and safety of the building can be ensured. Hardness is the ability of a material to locally resist hard objects pressing into its surface. Concrete hardness testing methods include steel needle method, pressure plate method, ultrasonic method, hammer method, pressure gauge method, drilling method and indentation method.

[0003] Based on the above, the inventors found that the existing concrete hardness testing equipment has the following shortcomings:

[0004] 1. The concrete test block has no fixing measures, which makes it easy to move during the hardness test. It is not convenient to install fixing measures on the hardness testing equipment to fix the concrete test block;

[0005] 2. The press rod used for hardness testing is an integrated type, which means that the press rod head needs to be replaced as a whole after it is damaged. It is inconvenient to set the press rod to a split type so that the press rod head can be disassembled and replaced after it is damaged. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides a concrete hardness testing device to solve the problem that the existing concrete test block has no fixing measures, is prone to displacement during the hardness testing process, and is inconvenient to install fixing measures on the hardness testing device to fix the concrete test block; the pressing rod used for hardness testing is an integrated type, resulting in the need to replace the entire pressing rod after the head of the pressing rod is damaged, and it is inconvenient to set the pressing rod to a split type to disassemble and replace the pressing rod head after it is damaged.

[0007] The purpose and effect of the concrete hardness testing equipment of this utility model are achieved by the following specific technical means:

[0008] A concrete hardness testing device comprises a device body; the device body is provided with a placing bearing plate in the front-to-back direction, a threaded hole penetrating up and down is opened at the rear end of the placing bearing plate, semicircular head blocks with left and right penetrating holes are arranged on the left and right sides of the rear of the top end face of the placing bearing plate, a clamping rotating rod in the left and right directions is installed between the semicircular head blocks of the placing bearing plate through bearings, threads with opposite rotation directions are opened on the outer circumferences on the left and right sides of the clamping rotating rod, fixed columns are arranged on the left and right end faces of the clamping rotating rod, and a regular hexagonal prism is arranged on the outer end face of the fixed column of the clamping rotating rod, a clamping movable plate in the front-to-back direction is installed through threads on the outer circumferences on the left and right sides of the clamping rotating rod, and threaded holes penetrating left and right are opened at the rear end of the clamping movable plate.

[0009] Furthermore, the outer circumference of the threaded rod carrying the press-in rod is set with ten counterweight circular plates arranged vertically, the center of the counterweight circular plate is provided with a fitting hole running through it vertically, and the front of the counterweight circular plate is provided with a strip hole running through it vertically and leftwardly.

[0010] Furthermore, a limiting circular plate is installed on the outer circumference of the bottom of the threaded rod that carries the press-in rod, a threaded hole penetrating up and down is opened in the center of the limiting circular plate, and six rotating grooves penetrating up and down are arranged in an annular array on the outer circumference of the limiting circular plate.

[0011] Furthermore, a detection press-in head is installed in the upper and lower directions inside the threaded blind hole of the bearing press-in rod, a regular hexagonal prism is arranged in the middle of the detection press-in head, a threaded column is arranged on the top end face of the regular hexagonal prism of the detection press-in head, and an inverted cone head is arranged on the bottom end face of the regular hexagonal prism of the detection press-in head.

[0012] Furthermore, a load-bearing press-in rod is inserted into the square hole of the pressure rod guide frame in the up and down directions, a square rod is arranged at the lower part of the load-bearing press-in rod, a threaded blind hole is opened at the bottom end face of the square rod of the load-bearing press-in rod, and a threaded rod is arranged at the top end face of the square rod of the load-bearing press-in rod in the up and down directions.

[0013] Furthermore, a pressure rod locking column in the front-to-back direction is installed inside the threaded hole of the pressure rod guide frame, a threaded column is arranged behind the pressure rod locking column, and a regular hexagonal prism is arranged on the front end surface of the threaded column of the pressure rod locking column.

[0014] Furthermore, a pressure rod guide frame is installed at the top of the threaded hole for placing the load-bearing plate in the up and down directions. The pressure rod guide frame is an inverted L-shaped structure as a whole. A threaded column is arranged in the middle of the bottom end face of the vertical plate of the pressure rod guide frame. A square hole running through the vertical plate of the pressure rod guide frame is arranged at the front end. A threaded hole is arranged on the front end face of the horizontal plate of the pressure rod guide frame. A reinforcing rib is arranged in the middle of the inner side between the vertical plate and the horizontal plate of the pressure rod guide frame.

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

[0016] The convenient clamping rotating rod is installed on the supporting plate through a bearing to support the clamping movable plate, and the concrete test block is conveniently clamped and fixed by the clamping movable plate, which solves the problem that the concrete test block has no fixing measures and is prone to displacement during the hardness testing process, and it is inconvenient to add fixing measures on the hardness testing equipment to fix the concrete test block.

[0017] The pressing head is conveniently installed on the load-bearing pressing rod through threads to carry out hardness testing of concrete test blocks. The pressing head is conveniently disassembled and replaced through threads after being damaged, which solves the problem that the pressing rod used for hardness testing is an integrated type, resulting in the need to replace the entire pressing rod after the head of the pressing rod is damaged, and it is inconvenient to set the pressing rod to a split type to disassemble and replace the pressing rod after the head of the pressing rod is damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a main structural schematic diagram of the utility model.

[0019] Figure 2 It is a cross-sectional structural schematic diagram of the utility model.

[0020] Figure 3 It is a schematic diagram of the disassembled structure of the utility model.

[0021] Figure 4 It is a top view schematic diagram of placing the load-bearing plate of the utility model.

[0022] Figure 5 It is a left side schematic diagram of the pressure rod guide frame of the utility model.

[0023] Figure 6 It is a bottom view schematic diagram of the load-bearing press-in rod of the utility model.

[0024] In the figure: 1. Device body; 2. Place the load-bearing plate; 3. Clamp the rotating rod; 4. Clamp the moving plate; 5. Press rod guide frame; 6. Press rod locking column; 7. Load-bearing press rod; 8. Detection press head; 9. Limit circular plate; 10. Counterweight circular plate. DETAILED DESCRIPTION

[0025] The embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings and examples.

[0026] Embodiment 1:

[0027] As attached Figure 1 To Attachment Figure 6 As shown:

[0028] The utility model provides a concrete hardness testing device, including a device body 1; the device body 1 is provided with a placing bearing plate 2 in the front and rear directions, which is convenient for carrying various components; a threaded hole penetrating up and down is opened at the rear end of the placing bearing plate 2, which is convenient for the pressure rod guide frame 5 to be installed through threads; semicircular head blocks with left and right penetrating holes are arranged on the left and right sides of the rear end surface of the top of the placing bearing plate 2, which is convenient for the clamping rotating rod 3 to be installed through bearings; a clamping rotating rod 3 in the left and right directions is installed between the semicircular head blocks of the placing bearing plate 2 through bearings, which is convenient for the clamping rotating rod 3 to rotate; threads with opposite rotation directions are opened on the outer circumferences of the left and right sides of the clamping rotating rod 3, which is convenient for the clamping moving plate 4 to move synchronously inwards and outwards; fixed columns are arranged on the left and right end surfaces of the clamping rotating rod 3, which is convenient for installation through bearings; the outer end surface of the fixed column of the clamping rotating rod 3 is arranged with a regular hexagonal prism, which is convenient for rotation through tools The outer circumferences of the left and right sides of the clamping rotating rod 3 are all installed with clamping moving plates 4 in the front and rear directions through threads, which is convenient for the clamping moving plate 4 to move synchronously inward and outward. The rear end of the clamping moving plate 4 is provided with threaded holes that penetrate left and right, which is convenient for the clamping rotating rod 3 to be installed through threads. The top of the threaded hole of the load-bearing plate 2 is installed with a pressure rod guide frame 5 in the upper and lower directions, which is convenient for carrying each component. The pressure rod guide frame 5 is an inverted L-shaped structure as a whole, which is convenient for bearing and force. A threaded column is arranged in the middle of the bottom end face of the vertical plate of the pressure rod guide frame 5, which is convenient for threaded installation. The front end of the horizontal plate of the pressure rod guide frame 5 is provided with a square hole that penetrates up and down, which is convenient for the insertion and guidance of the load-bearing pressure rod 7. The front end face of the horizontal plate of the pressure rod guide frame 5 is provided with a threaded hole, which is convenient for the pressure rod locking column 6 to be installed through threads. A reinforcing rib is arranged in the middle of the inner side between the vertical plate and the horizontal plate of the pressure rod guide frame 5, which is convenient for strengthening the force bearing capacity.

[0029] Among them, a pressure rod locking column 6 in the front and rear directions is installed inside the threaded hole of the pressure rod guide frame 5, which is convenient for locking the load-bearing pressure rod 7 after rising. A threaded column is set behind the pressure rod locking column 6 for convenient installation through thread. A regular hexagonal prism is set on the front end face of the threaded column of the pressure rod locking column 6 for convenient rotation and disassembly through tools. A load-bearing pressure rod 7 in the upper and lower directions is inserted into the square hole of the pressure rod guide frame 5 for convenient up and down movement of the load-bearing pressure rod 7. A square rod is set at the lower part of the load-bearing pressure rod 7 for convenient mutual fit with the square hole of the pressure rod guide frame 5. A threaded blind hole is provided on the bottom end face of the square rod of the load-bearing pressure rod 7 for convenient installation of a detection pressure head 8 through thread. A threaded rod is set on the top end face of the square rod of the load-bearing pressure rod 7 for convenient installation of a detection pressure head 8 through thread. A threaded rod is set on the top end face of the square rod of the load-bearing pressure rod 7 for convenient installation of a limit circular plate 9 and a set of a counterweight circular plate 10. A detection pressure head 8 in the upper and lower directions is installed inside the threaded blind hole of the load-bearing pressure rod 7 for convenient contact with the concrete test block to detect the hardness. A regular hexagonal prism is arranged in the middle for convenient rotation and disassembly by tools, a threaded column is arranged on the top end face of the regular hexagonal prism of the detection pressing head 8 for convenient threaded installation, an inverted cone head is arranged on the bottom end face of the regular hexagonal prism of the detection pressing head 8 for convenient pressing into the concrete test block for hardness detection, a limited circular plate 9 is installed on the outer circumference of the bottom of the threaded rod of the load-bearing pressing rod 7 for convenient limited bearing of the counterweight circular plate 10, a threaded hole running through up and down is opened in the center of the limited circular plate 9 for convenient threaded installation, six rotating grooves running through up and down are arranged in an annular array on the outer circumference of the limited circular plate 9 for convenient rotation and disassembly by tools, ten counterweight circular plates 10 arranged up and down are set on the outer circumference of the threaded rod of the load-bearing pressing rod 7 for convenient pressure on the load-bearing pressing rod 7, a set hole running through up and down is opened in the center of the counterweight circular plate 10 for convenient set installation, and a strip hole running through the left and right directions up and down is opened in front of the counterweight circular plate 10 for convenient hand insertion for taking.

[0030] The specific usage and function of this embodiment are as follows:

[0031] In the utility model, Figure 1The device body 1 is in use, at this time, the concrete test block is placed on the top end surface of the load-bearing plate 2, and is clamped and fixed between the clamping movable plates 4. The bottom of the detection pressing head 8 is in contact with the top end surface of the concrete test block, and at the same time, the pressure rod locking column 6 does not lock the load-bearing pressing rod 7, so that the weight of the counterweight circular plate 10 acts on the concrete test block through the detection pressing head 8, thereby realizing the hardness test of the concrete test block. At the same time, the number of counterweight circular plates 10 can be added or subtracted according to the specific situation. When the hardness test of the concrete test block is completed, first remove all the counterweight circular plates 10 from the load-bearing pressing rod 7, and then The load-bearing press rod 7 moves upward to disengage the detection press head 8 from the top end surface of the concrete test block. The press rod locking column 6 is rotated by a tool to engage with the press rod guide frame 5 threadedly, so that the press rod locking column 6 moves backward through the threaded engagement, and the load-bearing press rod 7 is tightened and fixed by the press rod locking column 6. Then, the clamping rotating rod 3 is rotated by a tool to engage with the clamping movable plate 4 threadedly, so that the clamping movable plate 4 moves outward synchronously through the threaded engagement, so that the clamping movable plate 4 releases the clamping fixation of the concrete test block, and then the concrete test block can be removed from the load-bearing plate 2. The reverse operation is the hardness detection and installation operation of the concrete test block.

[0032] Embodiment 2:

[0033] The difference from the first embodiment is that the regular hexagonal prism of the clamping rotating rod 3 can also be set as a regular heptagonal prism, so that the clamping rotating rod 3 can only be rotated by a special tool that cooperates with the regular heptagonal prism, preventing non-staff from rotating and adjusting the clamping rotating rod 3.

[0034] Embodiment three:

[0035] The difference from the first embodiment is that the regular hexagonal prism of the pressure rod locking column 6 can also be set as a regular heptagonal prism, so that the pressure rod locking column 6 can only be rotated by a special tool that cooperates with the regular heptagonal prism, preventing non-staff from rotating and disassembling the pressure rod locking column 6.

Claims

1. A concrete hardness testing device, characterized in that: The device comprises a device body (1); the device body (1) is provided with a placing bearing plate (2), a rear end of the placing bearing plate (2) is provided with a threaded hole penetrating up and down, and semicircular head blocks with left and right through holes are provided on both sides of the rear of the top end surface of the placing bearing plate (2), a clamping rotating rod (3) is installed between the semicircular head blocks of the placing bearing plate (2) through bearings, the left and right outer circumferences of the clamping rotating rod (3) are provided with threads with opposite rotation directions, the left and right end surfaces of the clamping rotating rod (3) are provided with fixed columns, and the outer end surfaces of the fixed columns of the clamping rotating rod (3) are provided with regular hexagonal prisms, and the left and right outer circumferences of the clamping rotating rod (3) are provided with clamping movable plates (4) through threads, and the rear end of the clamping movable plates (4) is provided with threaded holes penetrating left and right.

2. A concrete hardness testing device as claimed in claim 1, characterized in that: A pressure rod guide frame (5) is installed at the top of the threaded hole for placing the bearing plate (2). The pressure rod guide frame (5) is an inverted L-shaped structure as a whole. A threaded column is arranged in the middle of the bottom end surface of the vertical plate of the pressure rod guide frame (5). A square hole penetrating from top to bottom is arranged at the front end of the horizontal plate of the pressure rod guide frame (5). A threaded hole is arranged at the front end surface of the horizontal plate of the pressure rod guide frame (5). A reinforcing rib is arranged in the middle of the inner side between the vertical plate and the horizontal plate of the pressure rod guide frame (5).

3. A concrete hardness testing device as claimed in claim 2, characterized in that: A pressure rod locking column (6) is installed inside the threaded hole of the pressure rod guide frame (5), a threaded column is arranged behind the pressure rod locking column (6), and a regular hexagonal prism is arranged on the front end surface of the threaded column of the pressure rod locking column (6).

4. A concrete hardness testing device as claimed in claim 3, characterized in that: A bearing press rod (7) is inserted into the square hole of the press rod guide frame (5), a square rod is arranged at the bottom of the bearing press rod (7), a threaded blind hole is provided at the bottom end surface of the square rod of the bearing press rod (7), and a threaded rod in the up-and-down direction is provided at the top end surface of the square rod of the bearing press rod (7).

5. A concrete hardness testing device as claimed in claim 4, characterized in that: A detection press-in head (8) is installed inside the threaded blind hole of the bearing press-in rod (7), a regular hexagonal prism is arranged in the middle of the detection press-in head (8), a threaded column is arranged on the top end face of the regular hexagonal prism of the detection press-in head (8), and an inverted cone head is arranged on the bottom end face of the regular hexagonal prism of the detection press-in head (8).

6. A concrete hardness testing device as claimed in claim 5, characterized in that: A limiting circular plate (9) is installed on the outer circumference of the bottom of the threaded rod carrying the press-in rod (7), a threaded hole penetrating vertically is provided in the center of the limiting circular plate (9), and six rotating grooves penetrating vertically are arranged in an annular array on the outer circumference of the limiting circular plate (9).

7. A concrete hardness testing device as claimed in claim 6, characterized in that: Ten counterweight circular plates (10) are sleeved on the outer circumference of the threaded rod carrying the press-in rod (7), the counterweight circular plate (10) having a sleeve hole penetrating vertically in the center, and a strip hole penetrating vertically in the left-right direction in the front of the counterweight circular plate (10).

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