Search

CN-121977922-A - Tensile property detection device

CN121977922ACN 121977922 ACN121977922 ACN 121977922ACN-121977922-A

Abstract

The invention provides a tensile property detection device, which belongs to the technical field of tensile detection devices and comprises a base, an upper fixing component and a lower fixing component which are arranged on the base, wherein a control console and a vertical plate are arranged on the base, an adjusting groove is formed in one side of the vertical plate, a screw rod is arranged on the inner wall of the adjusting groove, a top plate is arranged on one side of the adjusting groove, the upper fixing component is arranged below the top plate, and the upper fixing component comprises a bearing seat, a rotating shaft, a static torque sensor, a tension sensor, an upper chuck and a half clamping ring from top to bottom. According to the invention, most of the torque in the rope is passively released under the cooperation of the bearing and the rotating shaft, and then the inner cylinder is driven to rotate along with the movement of the outer cylinder by the aid of the bidirectional spiral groove in the outer cylinder and the inserted link arranged on the outer side of the inner cylinder, so that the residual torque in the rope is actively eliminated, the torque is eliminated more comprehensively and thoroughly, and the accuracy of a subsequent tensile test result is ensured.

Inventors

  • YANG YONG
  • LIU XIAOWEI
  • MENG XIAO
  • LI WEI
  • SUN XIAOXUAN
  • LI QIANQIAN

Assignees

  • 济宁市质量计量检验检测研究院(济宁半导体及显示产品质量监督检验中心、济宁市纤维质量监测中心)

Dates

Publication Date
20260505
Application Date
20260203

Claims (9)

  1. 1. The tensile property detection device comprises a base (1) and an upper fixing component (2) and a lower fixing component (3) which are arranged on the base (1), and is characterized in that a console (11) and a vertical plate (12) are arranged on the base (1), an adjusting groove (121) is formed in one side of the vertical plate (12), a screw rod (13) is arranged on the inner wall of the adjusting groove (121), and a top plate (15) is arranged on one side of the adjusting groove (121); the upper fixing assembly (2) is arranged below the top plate (15), and the upper fixing assembly (2) comprises a bearing seat (21), a rotating shaft (22), a static torque sensor (23), a tension sensor (24), an upper chuck (25) and a half clamping ring (26) from top to bottom; the lower fixing assembly (3) is arranged above the base (1) and is located on the same axis with the upper fixing assembly (2), and the lower fixing assembly (3) comprises a fixing frame (31), a sliding rod (32), a positioning disc (33), an outer cylinder (34), an inner cylinder (35) and a lower chuck (36).
  2. 2. The tensile property detection device according to claim 1, wherein two ends of the screw rod (13) are rotatably connected with the inner wall of the adjusting groove (121), a handle (14) is installed at the upper end of the screw rod (13), an adjusting block (151) which is slidably connected with the inner wall of the adjusting groove (121) is installed at one end of the top plate (15), and the inner wall of the adjusting block (151) is in threaded connection with the outer wall of the screw rod (13).
  3. 3. The tensile property detection device according to claim 2, wherein the upper end of the bearing seat (21) is fixedly connected with the lower end of the top plate (15), one end of the rotating shaft (22) is installed on the inner wall of the bearing seat (21) through a bearing, the lower end of the rotating shaft (22) is provided with a flange plate (221), the rotating shaft (22) and the static torque sensor (23) are fixed through a flange plate (221) matched bolt, the inner wall of one end of the static torque sensor (23) is fixed with the stud of one end of the tension sensor (24) through threads, and the stud of the other end of the tension sensor (24) is fixed with the inner wall of the upper chuck (25) through threads.
  4. 4. A tensile property detection device according to claim 3, characterized in that two symmetrical groups of connecting rods (211) are installed on the side wall of the bearing seat (21), two connecting rods (211) are fixedly connected with a fixed rod (212) between one group, the outer wall of the fixed rod (212) is slidably connected with a symmetrical half clamping ring (26), an anti-slip pad (261) is installed on the side wall of the half clamping ring (26) close to the rotating shaft (22), and first electromagnets (27) are installed at two ends of the half clamping ring (26).
  5. 5. The tensile property detection device according to claim 1, wherein one end of the fixing frame (31) is fixedly connected with the side wall of the vertical plate (12), a motor (311) is installed at the upper end of the fixing frame (31), a rotating screw (312) is installed between the fixing frame (31) and the base (1), the output end of the motor (311) is fixedly connected with the upper end of the screw (312), and the lower ends of the two sliding rods (32) are fixed with the upper end of the base (1).
  6. 6. The tensile property detection device according to claim 5, wherein three sliding blocks (331) are installed on the side wall of the positioning disk (33), wherein the inner walls of two sliding blocks (331) are slidably connected with the outer wall of the sliding rod (32), the inner wall of the other sliding block (331) is slidably connected with the outer wall of the screw rod (312), and a second electromagnet (332) is installed on the inner wall of one side of the sliding block (331) close to the sliding rod (32).
  7. 7. The tensile property detection device according to claim 6, wherein a plurality of fixed blocks (341) are mounted on the outer wall of the outer cylinder (34), wherein the inner wall of two fixed blocks (341) is slidably connected with the outer wall of the slide bar (32), the inner wall of the other fixed block (341) is in threaded connection with the outer wall of the screw (312), and a bidirectional spiral groove (347) is formed in the inner wall of the outer cylinder (34).
  8. 8. The tensile property detection device according to claim 1, wherein three equidistant through grooves (342) are formed in the surface of the outer cylinder (34), a fixing frame (343) is fixedly connected to the outer wall of each through groove (342), a restoring block (344) is mounted on the inner wall of one end of each fixing frame (343), a magnet (3441) is mounted on the inner wall of each restoring block (344), a spring (345) is mounted on one side of each restoring block (344), a clamping block (346) is mounted on one end of each spring (345), a third electromagnet (3461) is mounted on the inner wall of each clamping block (346), the outer wall of each clamping block (346) is in sliding connection with the inner wall of each through groove (342), and one end of each clamping block (346) is completely attached to the outer wall of the inner cylinder (35) through a cambered surface design.
  9. 9. The tensile property detection device according to claim 8, wherein an insert block (351) is mounted on the outer wall of the inner cylinder (35), the outer wall of the insert block (351) is slidably connected with the inner wall of the bidirectional spiral groove (347), a ball (352) is mounted at one end of the insert block (351), the ball (352) is in rolling connection with the inner wall of the bidirectional spiral groove (347), a plurality of lugs (361) are mounted on the outer wall of the lower chuck (36), and the lower chuck (36) is fixed by the lugs (361) and a fixing seat matched with the inner wall of the inner cylinder (35) through bolts.

Description

Tensile property detection device Technical Field The invention relates to the technical field of tensile detection devices, in particular to a tensile property detection device. Background The tensile property detection device is special equipment for detecting mechanical properties such as tensile strength, yield strength, breaking strength and the like of various materials, particularly flexible materials such as ropes, cables and the like, and in industrial production, the safety and reliability of a plurality of products are highly dependent on the tensile properties of core components, such as steel wire ropes used by hoisting equipment, safety ropes in constructional engineering, precision cables in the aerospace field and the like, and the tensile properties of the materials are directly related to the running stability of the equipment and even personal and property safety. In the prior art, when the traditional tensile property detection device detects rope flexible materials, initial torque possibly generated by twisting and winding in the process of production, winding, transportation and the like of the rope is often ignored, and the initial torque can cause irregular stress distribution of the rope when the rope bears tension, so that deviation occurs in a detection result, the real tensile property of the materials cannot be accurately reflected, and the follow-up detection accuracy is affected. How to invent a tensile property detection device to solve the problems becomes a urgent problem for those skilled in the art. Disclosure of Invention In order to make up for the defects, the invention provides a tensile property detection device, which aims to solve the problems that an initial torque can cause irregular stress distribution of a rope when the rope bears a tensile force, so that a detection result is deviated, the real tensile property of a material can not be accurately reflected, and the follow-up detection accuracy is affected. The invention is realized in the following way: The invention provides a tensile property detection device which comprises a base, an upper fixing component and a lower fixing component, wherein the upper fixing component and the lower fixing component are arranged on the base; The upper fixing component is arranged below the top plate and comprises a bearing seat, a rotating shaft, a static torque sensor, a tension sensor, an upper chuck and a half clamping ring from top to bottom; The lower fixing component is arranged above the base and is positioned on the same axis with the upper fixing component, and the lower fixing component comprises a fixing frame, a sliding rod, a positioning disk, an outer cylinder, an inner cylinder and a lower chuck. Preferably, both ends of the screw rod are rotationally connected with the inner wall of the adjusting groove, the handle is installed at the upper end of the screw rod, an adjusting block which is in sliding connection with the inner wall of the adjusting groove is installed at one end of the top plate, and the inner wall of the adjusting block is in threaded connection with the outer wall of the screw rod. Preferably, the upper end of the bearing seat is fixedly connected with the lower end of the top plate, one end of the rotating shaft is installed on the inner wall of the bearing seat through a bearing, the lower end of the rotating shaft is provided with a flange plate, the rotating shaft and the static torque sensor are fixed through a flange plate matched bolt, the inner wall of one end of the static torque sensor is in threaded fixation with a stud at one end of the tension sensor, and the stud at the other end of the tension sensor is in threaded fixation with the inner wall of the upper chuck. Preferably, two groups of symmetrical connecting rods are arranged on the side wall of the bearing seat, two connecting rods are fixedly connected with a fixing rod between one group, the outer wall of the fixing rod is connected with symmetrical half-clamping rings in a sliding mode, anti-slip pads are arranged on the side wall, close to the rotating shaft, of each half-clamping ring, and first electromagnets are arranged at two ends of each half-clamping ring. Through the technical scheme, partial torque in the initial installation rope is eliminated passively in the rotating process, most of elastic torque in the rope is released passively and in a non-impact manner in the installation moment, a stable and low-stress starting point is provided for the follow-up, the follow-up measurement impact and potential rope damage caused by hard locking of the torque in the rope are avoided, and therefore the accuracy of the follow-up detection result is guaranteed. Preferably, one end of the fixing frame is fixedly connected with the side wall of the vertical plate, the motor is installed at the upper end of the fixing frame, a rotating screw rod is installed between the fixing frame and the base, the output end of the mo