High-safety hydraulic testing machine

Abstract

The utility model discloses a high-safety hydraulic testing machine, which relates to the technical field of hydraulic testing and comprises a hydraulic testing mechanism, a protection mechanism is arranged on the surface of the hydraulic testing mechanism, an image acquisition mechanism is arranged in the hydraulic testing mechanism, and the hydraulic testing mechanism comprises a mounting plate. And the top of the mounting plate is fixedly connected with a mounting frame. According to the utility model, through the arrangement of the mounting head and the pressure-bearing seat, when test workpieces with top surfaces in different shapes are tested, the pressure-bearing seat matched with the surfaces of the test workpieces is mounted on the surface of the mounting plate through bolts, then the lower pressure head matched with the tops of the test workpieces can be selected, and after the mounting head is inserted into the mounting seat, the pressure-bearing seat is mounted on the surface of the mounting plate. The fixing bolts are used for fixing, so that the bottom shape of the lower pressing head can be matched with the top of the test workpiece, when the test workpiece with the non-planar top shape is tested, the surface of the test workpiece is in more comprehensive contact with the surfaces of the lower pressing head and the pressure-bearing seat, and test data are more accurate.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid pressure test technical field, concretely relates to a high safety liquid pressure testing machine. BACKGROUND

[0002] The pressure testing machine is through gradually increasing pressure to sample, until sample deformation, destruction, to determine the compressive strength, elastic modulus and other mechanical properties index of material. For example, common hydraulic pressure testing machine, it uses hydraulic system to generate pressure, through the piston in the oil cylinder to transmit pressure to the sample, according to pressure sensor and displacement sensor to accurately measure the pressure and the deformation of sample, in the construction industry, it can be used for testing the compressive strength of concrete test block, brick and other building materials, to ensure the safety of building structure, in the field of mechanical manufacturing, it can detect the compressive performance of metal parts, mechanical structural parts, to ensure product quality, in scientific research institutions, the pressure testing machine is an important tool for studying the mechanical properties of new materials, to help the research and innovation of new materials.

[0003] At present, the existing liquid pressure testing machine is directly driven by hydraulic cylinder to apply pressure to the test workpiece by lower pressing head, but the surface of lower pressing head and pressure bearing seat in the existing hydraulic testing machine is plane, when the top of the test workpiece is not plane, for example, spherical test workpiece, the surface of lower pressing head and pressure bearing seat cannot completely match the surface of test workpiece, and the applied pressure will be borne by the contact point, which can easily cause large deviation between test result and actual bearing capacity of test workpiece, and when the test workpiece is broken due to excessive pressure, the fragments will splash everywhere, causing harm to surrounding test personnel, and there is certain inconvenience. UTILITY MODEL CONTENTS

[0004] The utility model provides a high safety liquid pressure testing machine to solve the problems in the prior art.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme:

[0006] A high safety liquid pressure testing machine, including liquid pressure testing mechanism, the surface of liquid pressure testing mechanism is provided with protection mechanism, the inside of liquid pressure testing mechanism is provided with image acquisition mechanism, liquid pressure testing mechanism includes mounting plate, the top of mounting plate is fixedly connected with mounting frame, the top of mounting frame is fixedly connected with hydraulic cylinder, the output end of hydraulic cylinder is fixedly connected with mounting seat, the inside of mounting seat is inserted with mounting head, the bottom of mounting head is fixedly connected with lower pressing head, the inside of mounting head is inserted with fixed bolt.

[0007] The further improvement in the utility model technical scheme lies in that the top of the mounting plate is fixedly connected with a positioning frame, the top of the mounting plate is boltedly connected with a pressure bearing seat, and the pressure bearing seat is overlapped with a test workpiece inside.

[0008] The further improvement in the utility model technical scheme lies in that the protection mechanism comprises a first motor, the surface of the first motor is fixedly connected with the surface of the mounting frame, and the one end of the rotating shaft of the first motor is fixedly connected with a gear.

[0009] The further improvement in the utility model technical scheme lies in that the surface of the gear is engaged with a rack, and the rack is fixedly connected with a protection cover on one side.

[0010] The further improvement in the utility model technical scheme lies in that the surface of the protection cover is provided with a light-transmitting observation window, and the inside of the protection cover is slidably connected with the surface of the mounting frame.

[0011] The further improvement in the utility model technical scheme lies in that the image acquisition mechanism comprises a control panel and a mounting piece, the bottom of the control panel is fixedly connected with the surface of the mounting plate, and the one side of the mounting piece is fixedly connected with the inside of the protection cover.

[0012] The further improvement in the utility model technical scheme lies in that the surface of the mounting piece is fixedly connected with a second motor, and the one end of the rotating shaft of the second motor is fixedly connected with a mounting block.

[0013] The further improvement in the utility model technical scheme lies in that the inside of the mounting block is provided with an illuminating lamp, the inside of the mounting block is provided with a camera, and the camera is signal-connected with the control panel.

[0014] Thanks to the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0015] The utility model provides a kind of high safety hydraulic testing machine, by the setting of mounting head and pressure bearing seat, when the test workpiece of different shapes on top is tested, the pressure bearing seat compatible with the surface of test workpiece is installed to the surface of mounting plate by bolt, then the lower pressure head compatible with the top of test workpiece can be selected, after mounting head is inserted into mounting seat, fixed by fixed bolt, so that the shape of lower pressure head bottom can be compatible with the top of test workpiece, when the test workpiece of which top shape is not plane is tested, test workpiece surface and lower pressure head and pressure bearing seat surface contact more comprehensively, test data is more accurate, while in the process of testing, protection cover moves down, test workpiece is covered to the inside of light-transmitting observation window, avoid the fragments of test workpiece broken, so that it is tested more safely. ACCURACY OF DRAWINGS

[0016] Figure 1 It is the front view structure schematic diagram of the utility model.

[0017] Figure 2 It is the side structure schematic view of the utility model;

[0018] Figure 3 It is the hydraulic test mechanism structure schematic view of the utility model;

[0019] Figure 4 It is the hydraulic test mechanism exploded structure schematic view of the utility model;

[0020] Figure 5 It is the image acquisition mechanism structure schematic view of the utility model.

[0021] In the figure: 11, mounting plate;12, mounting frame;13, hydraulic cylinder;14, mounting seat;15, mounting head;16, down head;17, fixed bolt;18, positioning frame;19, pressure bearing seat;110, test workpiece;21, first motor;22, gear;23, rack;24, protective cover;25, light observation window;31, control panel;32, mounting;33, second motor;34, mounting block;35, illuminating lamp;36, camera. DETAILED DESCRIPTION

[0022] The utility model will be further explained in detail in connection with the embodiment:

[0023] Embodiment 1

[0024] As Figures 1-5 Indicated, the utility model provides a kind of high safety hydraulic testing machine, including hydraulic test mechanism, the surface of hydraulic test mechanism is provided with protection mechanism, the inside of hydraulic test mechanism is provided with image acquisition mechanism, and hydraulic test mechanism includes mounting plate 11, the top of mounting plate 11 is fixedly connected with mounting frame 12, the top of mounting frame 12 is fixedly connected with hydraulic cylinder 13, the output end of hydraulic cylinder 13 is fixedly connected with mounting seat 14, and mounting seat 14 is inserted with mounting head 15 in its inside, and the bottom of mounting head 15 is fixedly connected with down head 16, and fixed bolt 17 is inserted with mounting head 15 in its inside, the top of mounting plate 11 is fixedly connected with positioning frame 18, and the top of mounting plate 11 is bolted with pressure bearing seat 19, and pressure bearing seat 19 is overlapped with test workpiece 110 in its inside.

[0025] In the embodiment, by in the process of using, according to test workpiece 110 surface shape, select appropriate pressure bearing seat 19, it is fixed to the surface of mounting plate 11 by bolt, then mounting head 15 is inserted into mounting seat 14, fixed bolt 17 is inserted into mounting head 15, after mounting head 15 is fixed to mounting seat, after test workpiece 110 is placed to the surface of pressure bearing seat 19, test is carried out.

[0026] Embodiment 2

[0027] As Figures 1-5 The utility model provides a technical scheme based on the embodiment 1: Preferably, the protection mechanism includes the first motor 21, the surface of the first motor 21 is fixedly connected with the surface of the mounting frame 12, one end of the rotating shaft of the first motor 21 is fixedly connected with the gear 22, the surface of the gear 22 is engaged with the rack 23, one side of the rack 23 is fixedly connected with the protective cover 24, the surface of the protective cover 24 is provided with the light observation window 25, and the inside of the protective cover 24 is slidably connected with the surface of the mounting frame 12.

[0028] In the embodiment, the first motor 21 is started through the control panel 31, the gear 22 is driven to rotate, the rack 23 drives the protective cover 24 to move downwards along the mounting frame 12, the test workpiece 110 is covered in the protective cover 24, then the hydraulic cylinder 13 is started, the output end of the hydraulic cylinder 13 drives the pressing head 16 to move downwards, the top of the test workpiece 110 is contacted, and pressure is applied to the test workpiece 110, when the test workpiece 110 is broken due to excessive pressure, the splashed fragments are protected by the protective cover 24, and damage to surrounding test personnel is avoided.

[0029] Embodiment 3

[0030] As Figures 1-5 The utility model provides a technical scheme based on the embodiment 1: Preferably, the image acquisition mechanism includes the control panel 31 and the mounting piece 32, the bottom of the control panel 31 is fixedly connected with the surface of the mounting plate 11, one side of the mounting piece 32 is fixedly connected with the inside of the protective cover 24, the surface of the mounting piece 32 is fixedly connected with the second motor 33, one end of the rotating shaft of the second motor 33 is fixedly connected with the mounting block 34, the inside of the mounting block 34 is provided with the illuminating lamp 35, the inside of the mounting block 34 is provided with the camera 36, and the camera 36 is signal connected with the control panel 31.

[0031] In the embodiment, the mounting block 34 is driven to rotate through the second motor 33 in the test process, the orientation angle of the camera 36 and the illuminating lamp 35 is adjusted, the light in the protective cover 24 is enhanced through the illuminating lamp 35, the breaking condition of the test workpiece 110 is recorded through the camera 36 in the test process, and the utility model is more convenient to use.

[0032] The working principle of the high-safety hydraulic testing machine will be described below.

[0033] As Figures 1-5As shown, in the process of use, according to the surface shape of the test workpiece 110, the appropriate pressure seat 19 is selected, which is fixed to the surface of the mounting plate 11 through the bolt, then the mounting head 15 is inserted into the mounting seat 14, the fixing bolt 17 is inserted into the mounting head 15, after the mounting head 15 is fixed to the mounting seat, the test workpiece 110 is placed on the surface of the pressure seat 19, then the test is carried out, in the test, the first motor 21 is started through the control panel 31, which drives the gear 22 to rotate, and then the rack 23 drives the protective cover 24 to move downward along the mounting frame 12, the test workpiece 110 is covered in the protective cover 24, then the hydraulic cylinder 13 is started, the lower pressing head 16 is driven to move downward through the output end of the hydraulic cylinder 13, and the top of the test workpiece 110 is contacted, and the pressure is applied to it, when the test workpiece 110 is broken due to excessive pressure, the splashed fragments are protected by the protective cover 24, which avoids causing harm to the surrounding test personnel, and at the same time, in the process of test, the mounting block 34 can be driven to rotate through the second motor 33, the orientation angle of the camera 36 and the illuminating lamp 35 is adjusted, then the light in the protective cover 24 is enhanced through the illuminating lamp 35, and the breaking condition of the test workpiece 110 in the test process is recorded through the camera 36, which is more convenient to use.

[0034] The above has made a detailed description of the utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A high safety hydraulic testing machine comprising a hydraulic testing mechanism, characterized by: The surface of the hydraulic test mechanism is provided with a protection mechanism, the inside of the hydraulic test mechanism is provided with an image acquisition mechanism, the hydraulic test mechanism comprises an installation plate (11), the top of the installation plate (11) is fixedly connected with a mounting rack (12), the top of the mounting rack (12) is fixedly connected with a hydraulic cylinder (13), the output end of the hydraulic cylinder (13) is fixedly connected with a mounting seat (14), the inside of the mounting seat (14) is inserted with a mounting head (15), the bottom of the mounting head (15) is fixedly connected with a pressing head (16), the inside of the mounting head (15) is inserted with a fixing bolt (17).

2. The high safety hydraulic testing machine according to claim 1, characterized in that: The top of the installation plate (11) is fixedly connected with a positioning frame (18), the top of the installation plate (11) is bolted with a pressure bearing seat (19), and the inside of the pressure bearing seat (19) is overlapped with a test workpiece (110).

3. The high safety hydraulic testing machine according to claim 1, characterized in that: The protection mechanism comprises a first motor (21), the surface of the first motor (21) is fixedly connected with the surface of the mounting rack (12), and the shaft of the first motor (21) is fixedly connected with a gear (22).

4. The high safety hydraulic testing machine according to claim 3, characterized in that: The surface of the gear (22) is engaged with a rack (23), one side of the rack (23) is fixedly connected with a protective cover (24).

5. The high safety hydraulic testing machine according to claim 4, characterized in that: The surface of the protective cover (24) is provided with a light transmission observation window (25), and the inside of the protective cover (24) is slidably connected with the surface of the mounting rack (12).

6. The high safety hydraulic testing machine according to claim 1, characterized in that: The image acquisition mechanism comprises a control panel (31) and a mounting piece (32), the bottom of the control panel (31) is fixedly connected with the surface of the installation plate (11), and one side of the mounting piece (32) is fixedly connected with the inside of the protective cover (24).

7. The high safety hydraulic testing machine according to claim 6, characterized in that: The surface of the mounting piece (32) is fixedly connected with a second motor (33), one end of the shaft of the second motor (33) is fixedly connected with a mounting block (34).

8. The high safety hydraulic testing machine according to claim 7, characterized in that: The inside of the mounting block (34) is provided with an illuminating lamp (35), the inside of the mounting block (34) is provided with a camera (36), and the camera (36) is signal connected with the control panel (31).

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