Concrete compression testing machine convenient to clean

Abstract

The utility model relates to the technical field of concrete compression tests, and discloses a concrete compression testing machine convenient to clean, which comprises a base, a top plate is arranged above the base, one side surfaces, close to each other, of the top plate and the base are jointly and fixedly connected with four supporting columns, and the inner wall of the top plate is fixedly connected with an oil pressure mechanism; the bottom end of the oil pressure mechanism is fixedly connected with a pressure measuring upper pressing disc, the inner bottom wall of the base is fixedly connected with a lower pressing disc, and a convenient cleaning mechanism is arranged above the base. The concrete compression testing machine convenient to clean comprises a base, a top plate, a supporting column, an oil pressure mechanism, a pressure measuring upper pressure plate, a lower pressure plate convenient cleaning mechanism, a movable supporting frame, a one-way multi-stage electric telescopic rod, a key controller, a two-way electric telescopic rod, a fixed shell, a driving motor, a rotating rod, a supporting plate, a scrubbing brush, a guide rod and a back-jacking spring. The key controller can enable the oil pressure mechanism to be completely isolated from the one-way multi-stage electric telescopic rod, the two-way electric telescopic rod and the driving motor in action.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete compression test, in particular to a concrete compression test machine which is easy to clean. Background Art

[0002] Concrete compression test is a test method used to evaluate the compressive strength of concrete. It is used to determine the bearing capacity of concrete when subjected to vertical pressure. In the concrete compression test, concrete is usually made into standard-sized specimens, such as cubes or cylinders. After standard preparation and curing processes, these specimens are placed on a testing machine and gradually applied with vertical pressure. During the test, the testing machine gradually increases the pressure on the specimen until the specimen is destroyed or reaches the specified degree of deformation. By recording the pressure value and the deformation of the specimen during the test, the compressive strength of the concrete can be determined.

[0003] Most of the existing testing machines used for concrete compression testing require the use of upper and lower pressure plates to extrude concrete specimens made into standard sizes. However, after the specimens are squeezed, concrete often remains on the upper and lower pressure plates. There is a lack of a convenient cleaning structure for quickly cleaning the upper and lower pressure plates of the testing machine, resulting in manual cleaning of the upper and lower pressure plates being time-consuming, labor-intensive, and risky.

[0004] Therefore, those skilled in the art provide a concrete compression testing machine that is easy to clean to solve the problems raised in the above background technology. Utility Model Content

[0005] The utility model aims to provide a concrete compression testing machine which is easy to clean, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A concrete compression tester that is easy to clean, comprising a base, a top plate is arranged above the base, four support columns are fixedly connected to the top plate and the side surface of the base close to each other, an oil pressure mechanism is fixedly connected to the inner wall of the top plate, an upper pressure plate for measuring pressure is fixedly connected to the bottom end of the oil pressure mechanism, a lower pressure plate is fixedly connected to the inner bottom wall of the base, and a convenient cleaning mechanism is arranged above the base;

[0008] The convenient cleaning mechanism includes a movable support frame, the inner wall of the base is fixedly connected to two unidirectional multi-stage electric telescopic rods, the front of the top plate is fixedly connected to a button controller, the inner wall of the movable support frame is fixedly connected to a bidirectional electric telescopic rod, the two telescopic ends of the bidirectional electric telescopic rod are fixedly connected to a fixed shell, the inner wall of each of the fixed shells is fixedly connected to a driving motor, the output end of each driving motor is fixedly connected to a rotating rod, a support plate and a bristle brush are respectively arranged above the bidirectional electric telescopic rod and below the bidirectional electric telescopic rod, two guide rods are fixedly connected to a side surface of the two bristle brushes close to each other, and a return spring is sleeved on the outer surface of each guide rod.

[0009] As a further solution of the utility model: the telescopic end of each of the unidirectional multi-stage electric telescopic rods is fixedly connected to the left side of the movable support frame, the side surfaces of the two support plates that are close to each other are respectively fixedly connected to the ends of the two rotating rods that are away from each other, the outer surface of each guide rod is slidably connected to the inside of the support plate, and the two ends of each return spring are respectively in contact with the outer surface of the support plate and the outer surface of the bristle brush; the oil pressure mechanism, the pressure measuring upper pressure plate, the two unidirectional multi-stage electric telescopic rods, the two-way electric telescopic rod and the two driving motors are all electrically connected to the button controller through wires, and the bottom surface of the base is fixedly connected to two pads, and the bottom surface of each pad is fixedly connected to an anti-slip pad.

[0010] As a further solution of the utility model: two fixed baffles are arranged above the base, the inner wall of each fixed baffle is fixedly connected to the outer surface of the support column, and the two side surfaces of the base and the two side surfaces of the top plate are fixedly connected with handles.

[0011] As a further solution of the utility model: two movable baffles are arranged above the base, the inner walls of the two movable baffles are rotatably connected to the outer surfaces of two of the support columns, and the interiors of the two movable baffles are clamped with the outer surfaces of the other two support columns.

[0012] As a further solution of the utility model: two limit sliders are fixedly connected to the bottom surface of the movable support frame, and the outer surface of each limit slider is slidably connected to the inside of the base.

[0013] As a further solution of the utility model: the outer surface of each output end of the driving motor is fixedly connected with a coupling, and the inner wall of each coupling is fixedly connected to the outer surface of the rotating rod.

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

[0015] The utility model cooperates with each other through a base, a top plate, a support column, an oil pressure mechanism, a pressure measuring upper pressure plate, a lower pressure plate convenient cleaning mechanism, a mobile support frame, a one-way multi-stage electric telescopic rod, a button controller, a two-way electric telescopic rod, a fixed shell, a drive motor, a rotating rod, a support plate, a bristle brush, a guide rod, and a return spring. The button controller can completely isolate the oil pressure mechanism from the one-way multi-stage electric telescopic rod, the two-way electric telescopic rod, and the drive motor, thereby improving the safety of the convenient cleaning mechanism when cleaning the pressure measuring upper pressure plate and the lower pressure plate. The operation of the button controller can control the extension and retraction of the one-way multi-stage electric telescopic rod, The bidirectional electric telescopic rod is extended and retracted and the driving motor is energized to rotate, and then as the guide rod slides in the support plate and the return spring is compressed and rebounded, the two hard-bristle brushes can respectively press against the outer surfaces of the upper and lower pressure platens of the pressure measuring platens and rotate to clean them. The small-range periodic extension and retraction of the bidirectional electric telescopic rod can also make the concrete residues on the outer surfaces of the upper and lower pressure platens of the pressure measuring platens be cleaned more efficiently and quickly, thereby quickly and safely cleaning the upper and lower pressure platens of the pressure measuring platens, avoiding the problem of time-consuming, labor-intensive and risky manual cleaning of the upper and lower pressure platens due to the lack of a convenient cleaning structure for quickly cleaning the upper and lower pressure platens of the testing machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of a concrete compression testing machine that is easy to clean;

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the base in a concrete compression testing machine that is easy to clean;

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of a mobile support frame in a concrete compression testing machine that is easy to clean;

[0019] Figure 4 The present invention is a schematic diagram of a cutaway three-dimensional structure of a fixed shell in a concrete compression testing machine that is easy to clean.

[0020] In the figure: 1. base; 2. top plate; 3. support column; 4. hydraulic mechanism; 5. pressure measuring upper pressure plate; 6. lower pressure plate; 7. convenient cleaning mechanism; 701. mobile support frame; 702. one-way multi-stage electric telescopic rod; 703. button controller; 704. two-way electric telescopic rod; 705. fixed shell; 706. drive motor; 707. rotating rod; 708. support plate; 709. bristle brush; 710. guide rod; 711. return spring; 8. pad; 9. anti-slip pad; 10. fixed baffle; 11. handle; 12. movable baffle; 13. limit slider; 14. coupling. DETAILED DESCRIPTION

[0021] See also Figure 1-4A concrete compression testing machine that is easy to clean includes a base 1, a top plate 2 is arranged above the base 1, four support columns 3 are fixedly connected to the side of the top plate 2 and the base 1 that are close to each other, an oil pressure mechanism 4 is fixedly connected to the inner wall of the top plate 2, a pressure measuring upper pressure plate 5 is fixedly connected to the bottom end of the oil pressure mechanism 4, a lower pressure plate 6 is fixedly connected to the inner bottom wall of the base 1, a convenient cleaning mechanism 7 is arranged above the base 1, and the convenient cleaning mechanism 7 includes a mobile support frame 701, two unidirectional multi-stage electric telescopic rods 702 are fixedly connected to the inner wall of the base 1, and each unidirectional multi-stage electric telescopic rod 702 has a The telescopic ends are fixedly connected to the left side of the mobile support frame 701, and two pads 8 are fixedly connected to the bottom surface of the base 1. The bottom surface of each pad 8 is fixedly connected with an anti-skid pad 9. The oil hydraulic mechanism 4 can drive the pressure measuring upper pressure plate 5 to move up and down, and then the pressure measuring upper pressure plate 5 can cooperate with the lower pressure plate 6 to extrude the concrete specimen while testing the extrusion force. By providing the pad 8, the base 1 can be raised, and then it is convenient to leave space at the bottom of the base 1 for convenient cleaning of concrete residues. By providing the anti-skid pad 9, the friction and grip of the bottom surface of the pad 8 can be increased, thereby increasing the placement stability of the entire testing machine.

[0022] A button controller 703 is fixedly connected to the front of the top plate 2, a bidirectional electric telescopic rod 704 is fixedly connected to the inner wall of the mobile support frame 701, two fixed baffles 10 are arranged above the base 1, the inner wall of each fixed baffle 10 is fixedly connected to the outer surface of the support column 3, and the two side surfaces of the base 1 and the two side surfaces of the top plate 2 are fixedly connected with handles 11. By providing the fixed baffles 10, protection can be provided for both sides of the entire testing machine to prevent the squeezed concrete from splashing out from both sides of the testing machine. By providing the handles 11, it is convenient to cooperate with the external lifting mechanism to lift and carry the entire testing machine.

[0023] The two telescopic ends of the bidirectional electric telescopic rod 704 are fixedly connected to a fixed shell 705, and the inner wall of each fixed shell 705 is fixedly connected to a driving motor 706. Two movable baffles 12 are arranged above the base 1. The inner walls of the two movable baffles 12 are rotatably connected to the outer surfaces of two of the support columns 3, and the interiors of the two movable baffles 12 are snapped into the outer surfaces of the other two support columns 3. The oil pressure mechanism 4, the pressure measuring upper pressure plate 5, the two unidirectional multi-stage electric telescopic rods 702, the bidirectional electric telescopic rod 704 and the two driving motors 706 are all electrically connected to the button controller 703 through wires. By providing the movable baffle 12, it can surround the outer surface of one of the support columns 3 and then snap into the other support column 3, so that the movable baffle 12 can be opened at any time to place concrete specimens, and it can also prevent the concrete residue from being cleaned and splashed out when the convenient cleaning mechanism 7 cleans the concrete residue.

[0024] The output end of each driving motor 706 is fixedly connected to a rotating rod 707, and a support plate 708 and a bristle brush 709 are respectively provided above the two-way electric telescopic rod 704 and below the two-way electric telescopic rod 704. The side surfaces of the two support plates 708 that are close to each other are respectively fixedly connected to the ends of the two rotating rods 707 that are away from each other. The bottom surface of the movable support frame 701 is fixedly connected to two limit sliders 13, and the outer surface of each limit slider 13 is slidably connected to the inside of the base 1. By providing the limit slider 13, it can slide upward inside the base 1, thereby increasing the movement stability of the movable support frame 701.

[0025] Two guide rods 710 are fixedly connected to the side surfaces of the two bristle brushes 709 that are close to each other. A return spring 711 is sleeved on the outer surface of each guide rod 710. The outer surface of each guide rod 710 is slidably connected to the inside of the support plate 708. The two ends of each return spring 711 are respectively in contact with the outer surface of the support plate 708 and the outer surface of the bristle brush 709. A coupling 14 is fixedly connected to the outer surface of the output end of each drive motor 706. The inner wall of each coupling 14 is fixedly connected to the outer surface of the rotating rod 707. By providing the coupling 14, the connection between the output end of the drive motor 706 and the rotating rod 707 can be strengthened, thereby increasing the rotation stability of the rotating rod 707.

[0026] The working principle of the utility model is as follows: when in use, the front movable baffle 12 is rotated around one of the support columns 3 and then away from the other support column 3. At this time, the two unidirectional multi-stage electric telescopic rods 702 are in a fully retracted state, and the two bristle brushes 709 remain parallel to the movable support frame 701. At this time, there is no obstacle between the pressure measuring upper platen 5 and the lower platen 6. After placing the concrete specimen in the middle of the lower platen 6, the button controller 703 is operated to control the oil pressure mechanism 4 to extend until the pressure measuring upper platen 5 cooperates with the lower platen 6 to squeeze the concrete specimen to a certain degree of damage. The pressure measuring upper platen 5 transmits the recorded maximum pressure signal to the button controller 703. The key controller 703 can be connected to an external data processing mechanism to display the corresponding pressure value changes. At the same time, the key controller 703 controls the oil pressure mechanism 4 to contract and lift the pressure measuring upper pressure plate 5. When a concrete specimen extrusion test is completed, the large pieces of concrete debris are simply swept away from the lower pressure plate 6, and the key controller 703 is operated to prepare for cleaning using the convenient cleaning mechanism 7. During this period, the two movable baffles 12 need to be connected to the support column 3. The key controller 703 controls the two unidirectional multi-stage electric telescopic rods 702 to gradually extend, and at the same time controls the two ends of the bidirectional electric telescopic rod 704 to gradually extend until the bidirectional electric telescopic rod 704 is at the center of the lower pressure plate 6. After that, the two-way electric telescopic rod 704 is also extended to make the two hard-bristle brushes 709 respectively bear against the upper surface of the lower pressure plate 6 and the bottom surface of the pressure measuring upper pressure plate 5, and the return spring 711 forms an elastic buffer between the support plate 708 and the hard-bristle brush 709. At this time, the button controller 703 automatically controls the two driving motors 706 to be energized and starts to drive the rotating rod 707, the support plate 708 and the hard-bristle brush 709 to rotate. The two hard-bristle brushes 709 rotate while sticking to the outer surfaces of the lower pressure plate 6 and the pressure measuring upper pressure plate 5. At the same time, the two-way electric telescopic rod 704 performs a periodic telescopic action of shortening and extending at a small distance and at a slow speed, so that the lower pressure plate 6 and the pressure measuring upper pressure plate 5 can be cleaned quickly and safely. The outer surface of the pressure plate 5, and when the unidirectional multi-stage electric telescopic rod 702 is extended, the oil pressure mechanism 4 is in absolute stillness and will not extend, and there will be no cleaning danger. After the convenient cleaning mechanism 7 cleans for a period of time, the two bristle brushes 709 are driven by the driving motor 706 to remain parallel to the mobile support frame 701, and the two unidirectional multi-stage electric telescopic rods 702 are completely retracted, waiting for the next concrete specimen compression test. The design of the entire easy-to-clean concrete compression testing machine effectively solves the problem of time-consuming, labor-intensive and risky manual cleaning of the upper and lower pressure plates due to the lack of a convenient cleaning structure for quickly cleaning the upper and lower pressure plates of the testing machine.

[0027] What is described above 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 concrete compression testing machine that is easy to clean, comprising a base (1), characterized in that: A top plate (2) is arranged above the base (1); four support columns (3) are fixedly connected to a side surface of the top plate (2) and the base (1) that are close to each other; an oil pressure mechanism (4) is fixedly connected to the inner wall of the top plate (2); an upper pressure plate (5) for measuring pressure is fixedly connected to the bottom end of the oil pressure mechanism (4); a lower pressure plate (6) is fixedly connected to the inner bottom wall of the base (1); and a convenient cleaning mechanism (7) is arranged above the base (1); The convenient cleaning mechanism (7) comprises a movable support frame (701), the inner wall of the base (1) is fixedly connected to two unidirectional multi-stage electric telescopic rods (702), the front of the top plate (2) is fixedly connected to a button controller (703), the inner wall of the movable support frame (701) is fixedly connected to a bidirectional electric telescopic rod (704), both telescopic ends of the bidirectional electric telescopic rod (704) are fixedly connected to a fixed shell (705), the inner wall of each fixed shell (705) is fixedly connected to a driving motor (706), the output end of each driving motor (706) is fixedly connected to a rotating rod (707), a supporting plate (708) and a bristle brush (709) are respectively arranged above the bidirectional electric telescopic rod (704) and below the bidirectional electric telescopic rod (704), two guide rods (710) are fixedly connected to the side surfaces of the two bristle brushes (709) close to each other, and a return spring (711) is sleeved on the outer surface of each guide rod (710).

2. The easy-to-clean concrete compression testing machine according to claim 1, characterized in that: The telescopic end of each of the unidirectional multi-stage electric telescopic rods (702) is fixedly connected to the left side of the movable support frame (701); the side surfaces of the two support plates (708) that are close to each other are fixedly connected to the ends of the two rotating rods (707) that are away from each other; the outer surface of each of the guide rods (710) is slidably connected to the inside of the support plate (708); the two ends of each of the return springs (711) are in contact with the outer surface of the support plate (708) and the outer surface of the bristle brush (709), respectively; the oil pressure mechanism (4), the pressure measuring upper pressure plate (5), the two unidirectional multi-stage electric telescopic rods (702), the bidirectional electric telescopic rod (704) and the two driving motors (706) are all electrically connected to the button controller (703) through wires; the bottom surface of the base (1) is fixedly connected to two pads (8); the bottom surface of each of the pads (8) is fixedly connected to an anti-slip pad (9).

3. The easy-to-clean concrete compression testing machine according to claim 1, characterized in that: Two fixed baffles (10) are arranged above the base (1), the inner wall of each fixed baffle (10) is fixedly connected to the outer surface of the support column (3), and the two side surfaces of the base (1) and the two side surfaces of the top plate (2) are fixedly connected to handles (11).

4. The easy-to-clean concrete compression testing machine according to claim 1, characterized in that: Two movable baffles (12) are arranged above the base (1), the inner walls of the two movable baffles (12) are rotatably connected to the outer surfaces of two of the support columns (3), and the interiors of the two movable baffles (12) are snap-fitted to the outer surfaces of the other two support columns (3).

5. The easy-to-clean concrete compression testing machine according to claim 1, characterized in that: Two limiting sliders (13) are fixedly connected to the bottom surface of the movable support frame (701), and the outer surface of each limiting slider (13) is slidably connected to the inside of the base (1).

6. The easy-to-clean concrete compression testing machine according to claim 1, characterized in that: The outer surface of the output end of each driving motor (706) is fixedly connected to a coupling (14), and the inner wall of each coupling (14) is fixedly connected to the outer surface of the rotating rod (707).

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