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CN-224231489-U - Mechanical test device

CN224231489UCN 224231489 UCN224231489 UCN 224231489UCN-224231489-U

Abstract

The utility model relates to the technical field of mechanical tests, in particular to a mechanical test device which comprises an experiment box body, wherein vertical columns are fixedly connected between two end positions of the top surface and the bottom surface of the experiment box body, a supporting seat is fixedly arranged in the middle of the bottom surface of the experiment box body, a groove is formed in the top surface of the supporting seat, a loading assembly is arranged on the vertical columns, an energy storage assembly is arranged between two ends of the loading assembly and the inner top surface of the experiment box body, a steering engine is arranged on the top surface of the experiment box body, the shaft end of an output shaft of the steering engine is connected with a rotary disc, a hydraulic cylinder is fixedly arranged on the bottom surface of the rotary disc, a connecting piece is fixedly arranged at the telescopic end of the hydraulic cylinder, and a clamping piece is arranged on the top surface of the loading assembly.

Inventors

  • YANG YINGCHUN
  • ZHANG GUANGQIANG

Assignees

  • 济南中路昌试验机制造有限公司

Dates

Publication Date
20260512
Application Date
20250507

Claims (6)

  1. 1. The mechanical test device is characterized by comprising an experiment box body (1), wherein upright posts (7) which are vertically arranged are fixedly connected between two end positions of the top surface and the bottom surface of the experiment box body (1), a supporting seat (2) is fixedly arranged in the middle of the bottom surface of the experiment box body (1), a groove (3) is formed in the top surface of the supporting seat (2), and a test piece (4) is placed on the top surface of the supporting seat (2); the two upright posts (7) are provided with loading components in a sliding manner, and energy storage components sleeved on the peripheries of the upright posts (7) are arranged between the two ends of the loading components and the inner top surface of the experiment box body (1); The device comprises an experiment box body (1), a steering engine (14) is fixedly arranged in the center of the top surface of the experiment box body (1), a turntable (11) is fixedly connected after an output shaft end of the steering engine (14) rotates to penetrate through the top surface of the experiment box body (1), a hydraulic cylinder (12) is fixedly arranged on the bottom surface of the turntable (11), and a circumferential limiting assembly is fixedly connected between the periphery of a telescopic part of the hydraulic cylinder (12) and the turntable (11); The telescopic end of the hydraulic cylinder (12) is fixedly provided with a connecting piece, and the center of the top surface of the loading assembly is fixedly provided with a clamping piece matched with the connecting piece.
  2. 2. The mechanical test device according to claim 1, wherein the loading assembly comprises a weight plate (6) arranged right above the supporting seat (2), two ends of the weight plate (6) are fixedly provided with sliding seats (8), and the two sliding seats (8) are respectively connected with the two upright posts (7) in a penetrating and sliding manner through linear bearings; The middle position of the bottom surface of the counterweight plate (6) is fixedly provided with a loading block (5).
  3. 3. The mechanical test device according to claim 2, wherein the energy storage component is sleeved with a spring (10) at the periphery of the upright post (7), the bottom end of the spring (10) is fixedly connected with a collision ring (9) which is sleeved at the periphery of the upright post (7) in a sliding manner, and the top end of the spring (10) is fixedly connected with the inner top surface of the experiment box body (1); the bottom surface of the abutting ring (9) is separated from the top surface of the sliding seat (8) at the corresponding position.
  4. 4. The mechanical testing device according to claim 2, wherein the clamping piece comprises a connecting disc (15) fixedly arranged at the center of the top surface of the weight plate (6), and two symmetrically distributed L-shaped baffles (16) are fixedly arranged on the top surface of the connecting disc (15).
  5. 5. The mechanical test device according to claim 4, wherein the connecting piece comprises a disc (17) fixedly installed at the telescopic end of the hydraulic cylinder (12), two protruding blocks (18) matched with the two L-shaped baffles (16) are fixedly connected to the middle position of the periphery of the disc (17), and balls (19) are embedded in the top surface of the protruding blocks (18).
  6. 6. The mechanical testing device according to claim 1, wherein the circumferential limiting assembly comprises a mounting ring (21) fixedly mounted on the periphery of the hydraulic cylinder (12) and close to the front end, two symmetrically distributed convex seats (20) are fixedly connected to the periphery of the mounting ring (21), and a limiting telescopic rod (13) which is vertically arranged is fixedly connected between the top surface of the convex seats (20) and the bottom surface of the rotary table (11).

Description

Mechanical test device Technical Field The utility model relates to the technical field of mechanical tests, in particular to a mechanical test device. Background The mechanical test device is an indispensable key device in the fields of material science, mechanical engineering and civil engineering, and is mainly used for evaluating the mechanical properties of materials or structures under different load conditions. The method is characterized by testing the quasi-static mechanical parameters such as compressive strength, elastic modulus, creep property and the like of the material through constant or increasing static load, simulating the dynamic load in actual working conditions, and analyzing the properties such as impact toughness, fatigue life, dynamic response and the like of the material. The data has important engineering guiding value for product design optimization, structural safety evaluation and new material research and development. At present, common mechanical test devices can be divided into a static load test machine which adopts a hydraulic system, a servo motor or a mechanical lever mechanism according to a loading mode, and static load is applied through weight superposition or closed-loop control. And the dynamic load testing machine comprises a drop hammer impact testing machine, an electromagnetic vibration table, a pneumatic impact device and the like, and utilizes gravity free falling, electromagnetic excitation or high-pressure gas drive to generate transient impact or periodic vibration. However, the static load and the dynamic load are required to be purchased respectively, so that the laboratory space is occupied, and the purchase and maintenance costs are multiplied. And the static load equipment cannot realize dynamic impact, the dynamic load equipment is difficult to accurately control the quasi-static loading parameters, and the dynamic load equipment and the static load equipment cannot work cooperatively. Disclosure of utility model The utility model aims to provide a mechanical test device for solving the problems in the background technology. The aim of the utility model can be achieved by the following technical scheme: the mechanical test device comprises an experiment box body, wherein upright posts which are vertically arranged are fixedly connected between two end positions of the top surface and the bottom surface of the experiment box body, a supporting seat is fixedly arranged in the middle of the bottom surface of the experiment box body, a groove is formed in the top surface of the supporting seat, and the top surface of the supporting seat is used for placing a test piece; the two upright posts are provided with loading components in a sliding manner, and energy storage components sleeved on the peripheries of the upright posts are arranged between the two ends of the loading components and the inner top surface of the experimental box body; The steering engine is fixedly arranged in the center of the top surface of the experimental box body, the rotary table is fixedly connected after the shaft end of the output shaft of the steering engine rotates to penetrate through the top surface of the experimental box body, the hydraulic cylinder is fixedly arranged on the bottom surface of the rotary table, and the circumferential limiting component is fixedly connected between the periphery of the telescopic part of the hydraulic cylinder and the rotary table; The telescopic end of the hydraulic cylinder is fixedly provided with a connecting piece, and the center of the top surface of the loading assembly is fixedly provided with a clamping piece matched with the connecting piece. Further, the loading assembly comprises a weight plate arranged right above the supporting seat, two ends of the weight plate are fixedly provided with sliding seats, and the two sliding seats are respectively connected with the two upright posts in a penetrating and sliding manner through linear bearings; and a loading block is fixedly arranged in the middle of the bottom surface of the counterweight plate. Further, the energy storage component is sleeved with a spring at the periphery of the upright post, the bottom end of the spring is fixedly connected with an abutting ring sleeved at the periphery of the upright post in a sliding manner, and the top end of the spring is fixedly connected with the inner top surface of the experiment box body; the bottom surface of the abutting ring is separated from the top surface of the sliding seat at the corresponding position. Further, the clamping piece comprises a connecting disc fixedly arranged at the center of the top surface of the counterweight plate, and two symmetrically distributed L-shaped baffles are fixedly arranged on the top surface of the connecting disc. Further, the connecting piece comprises a disc fixedly arranged at the telescopic end of the hydraulic cylinder, two protruding blocks matched with the two L-shaped baffle plate