Compressive strength testing device for silicon carbide ceramic-based composite board

Abstract

The utility model discloses a compressive strength testing device for a silicon carbide ceramic-based composite board, which comprises a detection base, a pressure display screen is embedded on the surface of the front end of the detection base, a bearing cross beam is mounted at the top end of the detection base, a driving cylinder is mounted on the bearing cross beam, and a driving piston is mounted at the output end of the driving cylinder. The lower end of the driving piston is fixedly connected with a hinged machine head through a telescopic rod, one end of the lifting sliding plate is connected with a fixed sliding column arranged at the upper end of the detection machine base through a lifting sliding sleeve, a pressing panel is installed at the lower end of the lifting sliding plate, and a pressure sensor is arranged in the pressing panel. According to the utility model, by arranging the pressing test mechanism which is convenient to drive, the surface of the silicon carbide ceramic-based composite board can be conveniently subjected to a compression test, and the pressure sensor can timely feed back related numerical values and display the data through the pressure display screen, so that an operator can timely control the pressure numerical values; therefore, the compressive strength of the composite board is conveniently tested and observed.

Description

Technical Field

[0001] The utility model relates to a compressive strength testing device for a silicon carbide ceramic-based composite plate. Background Art

[0002] SiC ceramics not only have excellent room temperature mechanical properties, such as high bending strength, excellent oxidation resistance, good corrosion resistance, high wear resistance and low friction coefficient, but also have the best high temperature mechanical properties (strength, creep resistance, etc.) among known ceramic materials. The high temperature strength of hot pressing sintering, pressureless sintering and hot isostatic pressing sintering materials can be maintained up to 1600℃, which is the best high temperature strength material among ceramic materials. The oxidation resistance is also the best among all non-oxide ceramics. Also known as diamond sand.

[0003] At present, when conducting compressive strength tests on silicon carbide ceramic-based composite plates, operators are usually required to knock on the surface with a hammer, and it is impossible to accurately grasp the compressive strength value of the composite plate. Therefore, it is necessary to develop a compressive strength testing device for silicon carbide ceramic-based composite plates to solve the above-mentioned technical problems. Utility Model Content

[0004] The purpose of the utility model is to provide a compressive strength testing device for a silicon carbide ceramic-based composite plate, so as to solve the problem raised in the above-mentioned background technology that when performing a compressive strength test on a silicon carbide ceramic-based composite plate, an operator is usually required to knock on its surface with a hammer, and the compressive strength value of the composite plate cannot be accurately grasped.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a compressive strength testing device for a silicon carbide ceramic-based composite plate, comprising a detection base, a front end surface of the detection base inlaid with a pressure display screen, a load-bearing beam installed at the top of the detection base, a driving cylinder installed on the load-bearing beam, a driving piston installed at the output end of the driving cylinder, the lower end of the driving piston is fixedly connected to an articulated head through a telescopic rod, the lower end of the articulated head is fixedly connected to a lifting slide plate through a fastening pad, one end of the lifting slide plate is connected to a fixed slide column arranged at the upper end of the detection base through a lifting sleeve, a pressing panel is installed at the lower end of the lifting slide plate, and a pressure sensor is arranged inside the pressing panel.

[0006] Preferably, the pressure sensor is electrically connected to the pressure display screen.

[0007] Preferably, a supporting column is installed between the detection machine base and the bearing crossbeam, and triangular supporting ribs are provided at both upper and lower ends of the supporting column.

[0008] Preferably, a composite plate body is placed on the upper end surface of the detection base, and the driving cylinder drives the pressing panel to fit tightly with the surface of the composite plate body.

[0009] Preferably, the lifting slide plate slides vertically along the surface of the fixed slide column through the lifting slide sleeve.

[0010] Preferably, the lifting slide plate and the fastening pad are tightly connected and fixed by a bolt assembly.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model is provided with a conveniently driven downward pressure test mechanism, which facilitates the compression test on the surface of the silicon carbide ceramic-based composite plate. The driving cylinder drives the pressing panel to fit tightly with the surface of the composite plate body, and continues to apply pressure downward to cause the pressing panel to press the composite plate body until it breaks. The pressure sensor can timely feedback the relevant values ​​and display the data through the pressure display screen, which is convenient for the operator to timely control the pressure value, thereby facilitating the test and observation of the compressive strength of the composite plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is the overall front view of the utility model;

[0014] Figure 2 It is a schematic diagram of the structure of the utility model;

[0015] Figure 3 It is a schematic diagram of the front-end structure of the utility model.

[0016] In the figure: 1. driving cylinder; 2. driving piston; 3. telescopic rod; 4. fixed sliding column; 5. lifting sliding sleeve; 6. lifting sliding plate; 7. detection base; 8. pressure display screen; 9. composite board body; 10. load-bearing beam; 11. triangular supporting ribs; 12. supporting column; 13. articulated machine head; 14. fastening pad; 15. pressing panel; 16. pressure sensor. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0018] See also Figure 1-3The utility model provides an embodiment: a compressive strength testing device for a silicon carbide ceramic-based composite plate, comprising a detection base 7, a pressure display screen 8 inlaid on the front end surface of the detection base 7, a load-bearing beam 10 installed on the top of the detection base 7, a driving cylinder 1 installed on the load-bearing beam 10, a driving piston 2 installed on the output end of the driving cylinder 1, the lower end of the driving piston 2 is fixedly connected to an articulated head 13 through a telescopic rod 3, the lower end of the articulated head 13 is fixedly connected to a lifting slide 6 through a fastening pad 14, one end of the lifting slide 6 is connected to a fixed slide column 4 arranged at the upper end of the detection base 7 through a lifting sleeve 5, a pressing panel 15 is installed at the lower end of the lifting slide 6, and a pressure sensor 16 is arranged inside the pressing panel 15.

[0019] Furthermore, the pressure sensor 16 is electrically connected to the pressure display screen 8, and the pressure sensor 16 can timely feed back relevant values ​​for data display through the pressure display screen 8, so that the operator can timely control the pressure value, thereby facilitating the testing and observation of the compressive strength of the composite board.

[0020] Furthermore, a support column 12 is installed between the detection base 7 and the bearing crossbeam 10, and triangular support ribs 11 are provided at both upper and lower ends of the support column 12, which has the advantage of stable and tight support connection.

[0021] Furthermore, a composite plate body 9 is placed on the upper end surface of the detection base 7 , and the driving cylinder 1 drives the pressing panel 15 to fit tightly with the surface of the composite plate body 9 .

[0022] Furthermore, the lifting slide plate 6 slides vertically along the surface of the fixed slide column 4 through the lifting slide sleeve 5. By providing the lifting slide plate 6, the lifting slide sleeve 5 and the fixed slide column 4, the pressed panel 15 is more stable and safe when pressed down.

[0023] Furthermore, the lifting slide plate 6 and the fastening pad 14 are tightly connected and fixed by a bolt assembly, which has the advantages of tight and stable connection and convenient assembly and disassembly.

[0024] Working principle: When in use, a load-bearing crossbeam 10 is installed on the top of the detection base 7, and a driving cylinder 1 is installed on the load-bearing crossbeam 10. A driving piston 2 is installed on the output end of the driving cylinder 1. The lower end of the driving piston 2 is fixedly connected to an articulated machine head 13 through a telescopic rod 3. The driving cylinder 1 is used to drive the telescopic rod 3 to perform telescopic adjustment. The lower end of the articulated machine head 13 is fixedly connected to a lifting slide 6 through a fastening pad 14. One end of the lifting slide 6 is connected to a fixed slide column 4 arranged at the upper end of the detection base 7 through a lifting sleeve 5. A pressing panel 15 is installed at the lower end of the lifting slide 6. The lifting slide 6 slides vertically along the surface of the fixed slide column 4 through the lifting sleeve 5. By providing a lifting slide plate 6, a lifting sleeve 5 and a fixed slide column 4, the pressing panel 15 is made more stable and safer when pressed down. By placing the composite board body 9 to be tested on the upper end surface of the testing machine base 7, the driving cylinder 1 is turned on to drive the pressing panel 15 to press and fix the surface of the composite board body 9, and pressure is continued to be applied downward to cause the pressing panel 15 to press the composite board body 9 until it breaks. The pressure sensor 16 can timely feedback the relevant values ​​and display the data through the pressure display screen 8, which is convenient for the operator to timely control the pressure value, thereby facilitating the test and observation of the compressive strength of the composite board. It has the advantages of high degree of automation and simple and convenient testing.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] The standard parts used in this application document can all be purchased from the market, and the specific connection methods of each part are connected by conventional means such as mature bolts, rivets, welding, etc. in the prior art. In addition, the machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, so no specific description is given here.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A compressive strength testing device for a silicon carbide ceramic-based composite plate, comprising a testing base (7), characterized in that: The front end surface of the detection base (7) is inlaid with a pressure display screen (8), the top of the detection base (7) is installed with a bearing crossbeam (10), the bearing crossbeam (10) is installed with a driving cylinder (1), the output end of the driving cylinder (1) is installed with a driving piston (2), the lower end of the driving piston (2) is fixedly connected to an articulated machine head (13) through a telescopic rod (3), the lower end of the articulated machine head (13) is fixedly connected to a lifting slide plate (6) through a fastening pad (14), one end of the lifting slide plate (6) is connected to a fixed slide column (4) arranged at the upper end of the detection base (7) through a lifting sleeve (5), the lower end of the lifting slide plate (6) is installed with a pressing panel (15), and a pressure sensor (16) is arranged inside the pressing panel (15).

2. The compressive strength testing device for a silicon carbide ceramic-based composite plate according to claim 1, characterized in that: The pressure sensor (16) is electrically connected to the pressure display screen (8).

3. The compressive strength testing device for a silicon carbide ceramic-based composite plate according to claim 1, characterized in that: A support column (12) is installed between the detection machine base (7) and the bearing crossbeam (10), and triangular support ribs (11) are provided at both upper and lower ends of the support column (12).

4. The compressive strength testing device for a silicon carbide ceramic-based composite plate according to claim 1, characterized in that: A composite plate body (9) is placed on the upper surface of the detection base (7), and the driving cylinder (1) drives the pressing panel (15) to fit tightly with the surface of the composite plate body (9).

5. The compressive strength testing device for a silicon carbide ceramic-based composite plate according to claim 1, characterized in that: The lifting slide plate (6) slides vertically along the surface of the fixed slide column (4) via the lifting slide sleeve (5).

6. The compressive strength testing device for a silicon carbide ceramic-based composite plate according to claim 1, characterized in that: The lifting slide plate (6) and the fastening pad (14) are tightly connected and fixed via a bolt assembly.

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