Compression test device capable of realizing load balance and precise displacement

Abstract

The utility model discloses a compression test device capable of realizing load balance and precise displacement, and relates to the technical field of compression test equipment. The compression test device capable of achieving load balance and precise displacement comprises a base, a material carrying plate is arranged in the middle of the surface of the top of the base, a stabilizing frame is arranged on the surface of the top of the base and located on the outer side of the material carrying plate, and a pressing plate is arranged at the position, located over the material carrying plate, of an inner cavity of the stabilizing frame; four pressure sensors are arranged in the middle of the surface of the top of the pressing plate, and the four pressure sensors are distributed in an annular array; according to the utility model, uniform load compression can be carried out on a tested material, and the compression displacement precision of the tested material can be ensured, so that the mechanical property test precision of a compression test can be ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of compression test equipment, in particular to a compression test device capable of realizing load balance and precise displacement. Background Art

[0002] The compression test device is a test device used to evaluate the compressive properties of materials. In the compression test, the sample is placed in a clamping device, and then a vertical force is applied through a pressure loading system. The compression test device can be used to evaluate the compression properties of different types of materials, such as metals, plastics, concrete, etc. Through the compression test, important parameters such as the compressive strength, elastic modulus, and deformation performance of the material under stress can be obtained, providing a basis for engineering design, material selection, and quality control.

[0003] However, when using existing compression test devices, the pressure applied to the sample during the test is easily unevenly distributed, causing deformation or damage to the sample, and the compression displacement of the sample cannot be accurately adjusted, and thus reliable mechanical properties test results cannot be obtained. Therefore, we propose a compression test device that can achieve load balance and precise displacement to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a compression testing device that can achieve load balance and precise displacement, which solves the problems that the pressure applied to the sample during the test is easily unevenly distributed, thereby causing sample deformation or damage, and the compression displacement of the sample cannot be accurately adjusted, thereby failing to obtain reliable mechanical properties test results.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a compression test device capable of achieving load balance and precise displacement, comprising a base, a material loading plate is arranged in the middle of the top surface of the base, a stabilizing frame is arranged on the top surface of the base and outside the material loading plate, and a pressure plate is arranged in the inner cavity of the stabilizing frame just above the material loading plate;

[0006] A pressure sensor is arranged in the middle of the top surface of the pressing plate, and four pressure sensors are arranged, and the four pressure sensors are distributed in a ring array;

[0007] Lifting components are provided on both sides of the top surface of the stabilizing frame, and the two bottom ends of the lifting components are respectively connected to the top surfaces of the two pressure sensors on the same side;

[0008] A driving assembly is arranged between the two lifting assemblies, and two sides of the driving assembly are respectively connected to two sides of the top surface of the lifting assembly, and the output end of the driving assembly is meshed and connected with the input end of the lifting assembly.

[0009] Preferably, the lifting assembly comprises two square columns arranged on the top surface of the pressure sensor on the same side, a square tube is movably inserted in the middle of each square column, and the square tube is embedded in the top surface of the stabilizing frame;

[0010] A screw hole is provided at the top of the square column, and a screw rod is rotatably connected to the inner cavity of the screw hole. A driven gear is provided on the screw rod near the top, and one side of the driven gear is meshed and connected with the output end of the driving component.

[0011] The two driven gears are provided with a gantry, and the two bottom ends of the gantry are connected to the top surface of the stabilizing frame, the top surface of the gantry is inlaid with bearings on both sides, and the two bearings are respectively connected to the top ends of the two screw rods.

[0012] Preferably, the driving assembly comprises a servo motor, a driving gear is installed at the output end of the servo motor, and the output end of the driving gear is meshed and connected with the driven gear;

[0013] A holder is arranged in the middle of the servo motor, and brackets are fixedly arranged on both side walls of the holder, and the bottom of one end of the bracket is connected to the top surface of the gantry.

[0014] Preferably, it further comprises an inner support frame, wherein two inner support frames are provided, and the two inner support frames are respectively arranged at the top positions of the two side walls of the inner cavity of the stabilizing frame, and the inner support frames are used to strengthen the structural strength of the stabilizing frame.

[0015] Preferably, it further comprises a control switch group, wherein the control switch group is arranged on one side of the top surface of the stabilizing frame, and the control switch group is electrically connected to the driving assembly.

[0016] Preferably, it also includes a shielding cover, which is arranged on the outside of the two lifting components, and the bottoms of the two side walls of the shielding cover are connected to the top surface of the stabilizing frame, and the shielding cover is used to protect the lifting component and the driving component.

[0017] Beneficial Effects

[0018] The utility model provides a compression test device that can achieve load balance and precise displacement. Compared with the prior art, it has the following beneficial effects:

[0019] The compression test device capable of achieving load balance and precise displacement can be installed at a designated position through a base, and can provide a stable support foundation for the material carrier plate and the stabilizing frame. When a compression test is required for the material, the staff first places the material in the middle of the material carrier plate, and then controls the operation of the driving assembly, so that it can drive the two lifting assemblies to operate, and then the output ends of the two lifting assemblies drive the pressing plate to move downward through the pressure sensors, so that the pressing plate can compress the material placed on the material carrier plate, and the pressure data transmitted downward by the lifting assemblies can be monitored through various pressure sensors, so that the two lifting assemblies can balance the pressure on the pressing plate during the entire test process, and the lifting assemblies can move downward accurately, so as to ensure the accuracy of the mechanical property test of the compression test. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the side structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the explosion structure of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the lifting assembly of the utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the drive assembly of the utility model.

[0025] In the figure: 1. base; 2. loading plate; 3. pressure plate; 4. stabilizing frame; 5. lifting assembly; 51. square tube; 52. square column; 53. driven gear; 54. screw hole; 55. screw rod; 56. bearing; 57. gantry; 6. driving assembly; 61. servo motor; 62. driving gear; 63. holder; 64. bracket; 7. inner support frame; 8. control switch group; 9. shielding cover. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-3The utility model provides a technical solution: a compression test device capable of realizing load balance and precise displacement, comprising a base 1, a loading plate 2 is arranged in the middle of the top surface of the base 1, a stabilizing frame 4 is arranged on the top surface of the base 1 and located outside the loading plate 2, a pressing plate 3 is arranged in the inner cavity of the stabilizing frame 4 and located directly above the loading plate 2; a pressure sensor is arranged in the middle of the top surface of the pressing plate 3, and four pressure sensors are arranged, and the four pressure sensors are distributed in a ring array; lifting components 5 are arranged on both sides of the top surface of the stabilizing frame 4, and the two bottom ends of the lifting components 5 are respectively connected to the top surfaces of the two pressure sensors on the same side; a driving component 6 is arranged between the two lifting components 5, and the two sides of the driving component 6 are respectively connected to the two sides of the top surface of the lifting component 5, and the output end of the driving component 6 is meshed and connected with the input end of the lifting component 5;

[0028] Through the base 1, it can be installed in the specified position and provide a stable support foundation for the carrier plate 2 and the stabilizing frame 4. When the material needs to be compressed, the staff first places the material in the middle of the carrier plate 2, and then controls the driving component 6 to operate, so that it can drive the two lifting components 5 to operate, and then the output ends of the two lifting components 5 drive the pressing plate 3 to move downward through the pressure sensor, so that the pressing plate 3 can compress the material placed on the carrier plate 2, and through each pressure sensor, the pressure data transmitted downward by the lifting component 5 can be monitored, so that the two lifting components 5 can balance the pressure on the pressing plate 3 during the entire test process, and the lifting component 5 can move downward accurately, thereby ensuring the accuracy of the mechanical property test of the compression test.

[0029] See also Figure 3 , Figure 4 The lifting assembly 5 includes a square column 52 arranged on the top surface of two pressure sensors on the same side, a square tube 51 is movably inserted in the middle of each square column 52, and the square tube 51 is embedded in the top surface of the stable frame 4; a screw hole 54 is opened at the top of the square column 52, and a screw rod 55 is rotatably connected to the inner cavity of the screw hole 54, a driven gear 53 is arranged on the screw rod 55 and near the top position, and one side of the driven gear 53 is meshed and connected with the output end of the driving assembly 6; the two driven gears 53 are provided with a gantry 57, and the two bottom ends of the gantry 57 are connected to the top surface of the stable frame 4, and the two sides of the top surface of the gantry 57 are embedded and connected with bearings 56, and the two bearings 56 are respectively connected to the top of the two screw rods 55;

[0030] The square column 52 in the lifting assembly 5 can be installed on the top surface of the pressure plate 3 through the pressure sensor, and can also be installed on the stable frame 4 through the square tube 51, so that the square column 52 can move smoothly up and down in the square tube 51. Through the gantry 57, it can be installed on the stable frame 4, and two screw rods 55 can be installed through two bearings 56, so that the screw rods 55 can rotate smoothly on the gantry 57. Since a screw hole 54 for rotating and installing the screw rod 55 is opened at the top of the square column 52, and a driven gear 53 is arranged on the screw rod 55 and near the top, and one side of the driven gear 53 is meshed and connected with the output end of the driving assembly 6, the driven gear 53 can be driven to rotate through the driving assembly 6, so that the screw rod 55 can be driven to rotate synchronously, and then the square column 52 can be driven to move smoothly and accurately downward along the inner cavity of the square tube 51, so that the pressure plate 3 can compress the material evenly and accurately, thereby ensuring the reliability of the mechanical property test results.

[0031] See also Figure 3-Figure 5 The driving assembly 6 includes a servo motor 61, a driving gear 62 is installed at the output end of the servo motor 61, and the output end of the driving gear 62 is meshed and connected with the driven gear 53; a holder 63 is arranged in the middle of the servo motor 61, and brackets 64 are fixedly arranged on both side walls of the holder 63, and the bottom of one end of the bracket 64 is connected to the top surface of the gantry 57;

[0032] Through the servo motor 61 in the driving assembly 6, the driving gear 62 can drive each driven gear 53 to rotate, so that the screw rod 55 can accurately drive the square column 52 to move downward, and it can also be fixed on the two gantries 57 through the base 63 and the bracket 64, thereby improving the stability of the servo motor 61.

[0033] See also Figure 1 , Figure 3 , and also includes an inner support frame 7, two inner support frames 7 are provided, and the two inner support frames 7 are respectively arranged at the top positions of the two side walls of the inner cavity of the stabilizing frame 4; through the inner support frame 7, the structural strength of the stabilizing frame 4 can be strengthened, thereby improving its stability in use.

[0034] See also Figure 1 , Figure 3 , further comprising a control switch group 8, the control switch group 8 being arranged on one side of the top surface of the stabilizing frame 4, and the control switch group 8 being electrically connected to the driving assembly 6;

[0035] By controlling the switch group 8 , the staff can flexibly control the forward and reverse operation of the servo motor 61 in the driving component 6 , thereby controlling the lifting and lowering of the pressing plate 3 .

[0036] See also Figure 1-Figure 3, and also includes a shielding cover 9, which is arranged on the outside of the two lifting components 5, and the bottom of the two side walls of the shielding cover 9 is connected to the top surface of the stable frame 4; through the shielding cover 9, the lifting component 5 and the driving component 6 can be protected, thereby improving their safety and lifespan.

[0037] During operation, the base 1 can be installed in a designated position and provide a stable support foundation for the carrier plate 2 and the stabilizing frame 4. When a compression test is required for the material, the staff first places the material in the middle of the carrier plate 2, and then controls the driving assembly 6 to operate, so that it can drive the two lifting assemblies 5 to operate, and then the output ends of the two lifting assemblies 5 drive the pressing plate 3 to move downward through the pressure sensor, so that the pressing plate 3 can compress the material placed on the carrier plate 2, and through each pressure sensor, the pressure data transmitted downward by the lifting assembly 5 can be monitored, so that the two lifting assemblies 5 can balance the pressure on the pressing plate 3 during the entire test process, and the lifting assembly 5 can move downward accurately, thereby ensuring the accuracy of the mechanical property test of the compression test.

[0038] The square column 52 in the lifting assembly 5 can be installed on the top surface of the pressure plate 3 through the pressure sensor, and can also be installed on the stable frame 4 through the square tube 51, so that the square column 52 can move smoothly up and down in the square tube 51. Through the gantry 57, it can be installed on the stable frame 4, and two screw rods 55 can be installed through two bearings 56, so that the screw rods 55 can rotate smoothly on the gantry 57. Since a screw hole 54 for rotating and installing the screw rod 55 is opened at the top of the square column 52, and a driven gear 53 is arranged on the screw rod 55 and near the top, and one side of the driven gear 53 is meshed and connected with the output end of the driving assembly 6, the driven gear 53 can be driven to rotate through the driving assembly 6, so that the screw rod 55 can be driven to rotate synchronously, and then the square column 52 can be driven to move smoothly and accurately downward along the inner cavity of the square tube 51, so that the pressure plate 3 can compress the material evenly and accurately, thereby ensuring the reliability of the mechanical property test results.

[0039] Through the servo motor 61 in the driving assembly 6, the driving gear 62 can drive each driven gear 53 to rotate, so that the screw rod 55 can accurately drive the square column 52 to move downward, and it can also be fixed on the two gantries 57 through the base 63 and the bracket 64, thereby improving the stability of the servo motor 61.

[0040] The internal support frame 7 can strengthen the structural strength of the stabilizing frame 4, thereby improving its stability in use; by controlling the switch group 8, the staff can flexibly control the forward and reverse operation of the servo motor 61 in the drive assembly 6, thereby controlling the lifting and lowering of the pressure plate 3; the shielding cover 9 can protect the lifting assembly 5 and the drive assembly 6, thereby improving their safety and lifespan.

[0041] In summary, the device can not only compress the test material with a uniform load, but also ensure the accuracy of its compression displacement, thereby ensuring the accuracy of the mechanical property test of the compression test.

[0042] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A compression test device capable of achieving load balance and precise displacement, comprising a base (1), a material loading plate (2) being arranged in the middle of the top surface of the base (1), characterized in that: A stabilizing frame (4) is arranged on the top surface of the base (1) and located outside the material carrier plate (2); a pressing plate (3) is arranged in the inner cavity of the stabilizing frame (4) and located directly above the material carrier plate (2); A pressure sensor is arranged in the middle of the top surface of the pressure plate (3), and there are four pressure sensors arranged, and the four pressure sensors are distributed in a ring array; Lifting components (5) are provided on both sides of the top surface of the stabilizing frame (4), and the two bottom ends of the lifting components (5) are respectively connected to the top surfaces of the two pressure sensors on the same side; A driving assembly (6) is arranged between the two lifting assemblies (5), and two sides of the driving assembly (6) are respectively connected to two sides of the top surface of the lifting assembly (5), and the output end of the driving assembly (6) is meshed and connected with the input end of the lifting assembly (5).

2. A compression test device capable of achieving load balance and precise displacement according to claim 1, characterized in that: The lifting assembly (5) comprises two square columns (52) arranged on the top surface of the pressure sensors on the same side, a square tube (51) is movably inserted in the middle of each square column (52), and the square tube (51) is embedded in the top surface of the stabilizing frame (4); A screw hole (54) is provided at the top of the square column (52), and a screw rod (55) is rotatably connected to the inner cavity of the screw hole (54), a driven gear (53) is provided on the screw rod (55) near the top, and one side of the driven gear (53) is meshed and connected with the output end of the driving component (6); The two driven gears (53) are provided with a gantry (57), and the two bottom ends of the gantry (57) are connected to the top surface of the stabilizing frame (4), the top surface of the gantry (57) is inlaid with bearings (56) on both sides, and the two bearings (56) are respectively connected to the top ends of the two screw rods (55).

3. A compression test device capable of achieving load balance and precise displacement according to claim 2, characterized in that: The driving assembly (6) comprises a servo motor (61), the output end of the servo motor (61) is provided with a driving gear (62), and the output end of the driving gear (62) is meshed and connected with the driven gear (53); A holder (63) is provided in the middle of the servo motor (61), and brackets (64) are fixedly provided on both side walls of the holder (63), and the bottom of one end of the bracket (64) is connected to the top surface of the gantry (57).

4. A compression test device capable of achieving load balance and precise displacement according to claim 1, characterized in that: It also includes an inner support frame (7), two of which are provided. The two inner support frames (7) are respectively provided at the top positions of the two side walls of the inner cavity of the stabilizing frame (4), and the inner support frames (7) are used to strengthen the structural strength of the stabilizing frame (4).

5. A compression test device capable of achieving load balance and precise displacement according to claim 1, characterized in that: It also comprises a control switch group (8), wherein the control switch group (8) is arranged on one side of the top surface of the stabilizing frame (4), and the control switch group (8) is electrically connected to the driving component (6).

6. A compression test device capable of achieving load balance and precise displacement according to claim 1, characterized in that: It also comprises a shielding cover (9), which is arranged on the outside of the two lifting assemblies (5), and the bottoms of the two side walls of the shielding cover (9) are connected to the top surface of the stabilizing frame (4), and the shielding cover (9) is used to protect the lifting assembly (5) and the driving assembly (6).

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