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CN-224231499-U - High-temperature stretching experimental device with uniform heating

CN224231499UCN 224231499 UCN224231499 UCN 224231499UCN-224231499-U

Abstract

The utility model provides a high-temperature stretching experimental device with uniform heating, which comprises a shell, a heating assembly and a measuring assembly, wherein two cylindrical clamps which are distributed up and down are arranged in the shell and are used for clamping and fixing two ends of a stretching material, the heating assembly comprises two annular high-frequency induction coils which are mutually nested, openings are formed in the front ends of the two high-frequency induction coils, the two high-frequency induction coils are positioned between the two clamps of the shell, and the rear ends of the two high-frequency induction coils are connected with the shell through struts. During the use, encircle at tensile material periphery through setting up two annular high frequency induction coil, carry out even high temperature heating to tensile material, rethread sets up motor, first gear, second gear, toper tooth group, slider, dead lever, slide rail and rack and makes it mutually support, can enlarge the opening scope that two annular high frequency induction coil's front end was reserved to the measuring assembly leaves the space.

Inventors

  • XU JIAN
  • YANG KAI

Assignees

  • 上海远熙检测技术有限公司

Dates

Publication Date
20260512
Application Date
20241202

Claims (8)

  1. 1. The high-temperature stretching experimental device with uniform heating is characterized by comprising a shell (1), a heating component (2) and a measuring component (3); Two cylindrical clamps which are distributed up and down are arranged in the shell (1) and are used for clamping and fixing two ends of a stretching material; The heating assembly (2) comprises two mutually nested annular high-frequency induction coils (20), openings are formed in the front ends of the two high-frequency induction coils (20) and are located between two clamps of the shell (1), the rear ends of the two high-frequency induction coils (20) are connected with the shell (1) through a support column (21), and a driving part (22) is arranged at the upper part of the support column (21) and used for driving the two high-frequency induction coils (20) to rotate around the central line of the shell (1) and enabling the rotation directions of the two high-frequency induction coils to be opposite; The measuring assembly (3) is positioned at the front end of the shell (1) and is used for sensing and recording tensile data of experimental materials.
  2. 2. The device for high-temperature stretching experiments with uniform heating as claimed in claim 1, wherein the driving part (22) comprises a motor (220) arranged in the support column (21), a first gear (221) is connected to the upper end of the motor (220), a second gear (222) is arranged at the upper end of the first gear (221), the first gear (221) and the second gear (222) are connected through a conical tooth group (223), the conical tooth group (223) is used for enabling rotation directions of the first gear (221) and the second gear (222) to be opposite, racks (227) are connected to the front ends of the first gear (221) and the second gear (222), sliding blocks (224) are connected to the front ends of each rack (227), each sliding block (224) is connected with a high-frequency induction coil (20) through a fixing rod (225), and an arc-shaped sliding rail (226) corresponding to the two sliding blocks (224) is connected to the rear end of the shell (1).
  3. 3. The high-temperature tensile testing device with uniform heating according to claim 2, wherein the conical teeth group (223) is three conical teeth of the same model, and the three conical teeth are meshed in turn and form a U-shaped cross section.
  4. 4. The high-temperature tensile test device with uniform heating according to claim 1, wherein a spring telescopic wire (201) is connected between two ends of each high-frequency induction coil (20) and an external cable, and a plurality of fixing blocks (10) are arranged on the side wall of the rear end of the shell (1) and used for fixing an external connection port of the spring telescopic wire (201).
  5. 5. The high-temperature stretching experimental device with uniform heating according to claim 1, wherein a plurality of through holes are formed in two side walls of the shell (1), and a fan (11) and a high-pressure air spray head (15) are arranged in each through hole.
  6. 6. The high-temperature tensile testing device with uniform heating according to claim 1, wherein the measuring assembly (3) comprises a bracket (30) connected with side walls at two ends of the shell (1), a CCD camera (31) and an infrared thermometer (32) are arranged on the bracket (30) at the left side, and a linear sensor (33) is arranged on the bracket (30) at the right side.
  7. 7. The high-temperature tensile test device with uniform heating according to claim 1, wherein two sides of the front end of the shell (1) extend outwards to form a long strip-shaped protruding block (12), and a sucker (13) is arranged on the outer side wall of the protruding block (12).
  8. 8. The high-temperature stretching experimental device with uniform heating according to claim 1, wherein the right end of the shell (1) is connected with a touch display screen (14) through a supporting rod.

Description

High-temperature stretching experimental device with uniform heating Technical Field The utility model relates to the technical field of material detection, in particular to a high-temperature stretching experimental device with uniform heating. Background MTS normal temperature high temperature tensile testing machine is mainly used for testing the tensile property of material under normal temperature and high temperature environment. It can provide accurate tensile load and deformation data to evaluate the mechanical properties and durability of the material. The equipment is widely applied to the fields of material research, aerospace, metallurgy, machinery, quality control and the like. In the prior art, a stretching experiment is carried out on a material in a high-temperature state, the high-frequency induction coils are wound at two ends of the material, the heating process of the material is started to heat at two ends, heat is gradually deviated from the two ends to the center position, the heating mode can lead the material to be heated unevenly, the accuracy of tensile force data of the material in a high-temperature environment is affected, and the problems of large experimental error and experimental failure are caused. Therefore, we propose a high-temperature stretching experimental device with uniform heating, which solves the problem that the heating of the material stretching experiment in the prior art is not uniform, and the experimental measurement data is affected. Disclosure of utility model In view of the above drawbacks of the prior art, an object of the present utility model is to provide a high temperature stretching experimental apparatus with uniform heating, which is used for solving the problem that the heating of the material stretching experiment in the prior art is not uniform, and the experimental measurement data is affected. In order to achieve the above and other related objects, the present utility model provides a high temperature tensile test apparatus with uniform heating, comprising a housing, a heating assembly and a measuring assembly; two cylindrical clamps which are distributed up and down are arranged in the shell and are used for clamping and fixing two ends of a stretching material; the heating assembly comprises two mutually nested annular high-frequency induction coils, the front ends of the two high-frequency induction coils are respectively provided with an opening and are respectively positioned between two clamps of the shell, the rear ends of the two high-frequency induction coils are respectively connected with the shell through a support column, and the upper parts of the support columns are provided with driving parts for driving the two high-frequency induction coils to rotate around the central line of the shell and to enable the rotation directions of the two high-frequency induction coils to be opposite; The measuring assembly is positioned at the front end of the shell and is used for sensing and recording tensile data of experimental materials. Preferably, the driving part comprises a motor arranged in the support column, a first gear is connected to the upper end of the motor, a second gear is arranged at the upper end of the first gear, the first gear and the second gear are connected through a conical tooth group, the conical tooth group is used for enabling the rotation directions of the first gear and the rotation directions of the second gear to be opposite, racks are connected to the front ends of the first gear and the second gear, each rack is connected with a sliding block at the front end of each rack, each sliding block is connected with a high-frequency induction coil through a fixing rod, and an arc-shaped sliding rail corresponding to the two sliding blocks is connected to the rear end of the shell. Preferably, the conical teeth group is three conical teeth of the same model, and the three conical teeth are meshed in sequence and the cross section of the conical teeth group is U-shaped. Preferably, a spring telescopic wire is connected between two ends of each high-frequency induction coil and an external cable, and a plurality of fixing blocks are mounted on the side wall of the rear end of the shell and used for fixing an external port of the spring telescopic wire. Preferably, a plurality of through holes are formed in two side walls of the shell, and a fan and a high-pressure air nozzle are arranged in each air hole. Preferably, the measuring assembly comprises a bracket connected with side walls at two ends of the shell, a CCD camera and an infrared thermometer are arranged on the bracket at the left side, and a linear sensor is arranged on the bracket at the right side. Preferably, two sides of the front end of the shell extend outwards to form a strip-shaped protruding block, and a sucker is arranged on the outer side wall of the protruding block. Preferably, the right end of the shell is connected with a touch display sc