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CN-224216484-U - Fatigue testing machine for high-strength flexible hoisting belt

CN224216484UCN 224216484 UCN224216484 UCN 224216484UCN-224216484-U

Abstract

The application provides a fatigue testing machine for a high-strength flexible hoisting belt, which comprises a base, wherein two ends of the base are fixedly connected with brackets, the inner side of each bracket is fixedly connected with a cross beam, the upper end of the base is movably connected with a telescopic cylinder, an adjusting structure is connected between the telescopic cylinder and the base, the inner side of the base is provided with a sliding groove, the inner side of the sliding groove is rotatably connected with a threaded column, the outer surface of the threaded column is sleeved with a sliding block, the outer surface of the base is provided with a strip-shaped hole, the upper end and two side surfaces of the sliding block are fixedly connected with a protruding block, the top end of the protruding block at the upper end of the sliding block is fixedly connected with a movable plate, the bottom of the telescopic cylinder is fixedly connected with a hanging hook, the lower end of the cross beam is fixedly connected with a group of hanging hooks, and the number of the corresponding brackets of the base is two. The application solves the problem that the conventional flexible hoisting belt is usually stretched up and down or horizontally stretched for detection in fatigue test and can not simulate oblique stretching.

Inventors

  • DAI FENG

Assignees

  • 浙江国力新材料有限公司

Dates

Publication Date
20260508
Application Date
20250527

Claims (6)

  1. 1. The fatigue testing machine for the high-strength flexible hoisting belt comprises a base (1) and is characterized in that two ends of the base (1) are fixedly connected with a bracket (2), the inner side of the bracket (2) is fixedly connected with a cross beam (3), the upper end of the base (1) is movably connected with a telescopic cylinder (4), and an adjusting structure (6) is connected between the telescopic cylinder (4) and the base (1); The inside of base (1) has been seted up spout (61), the inside swivelling joint of spout (61) has screw thread post (62), the surface of screw thread post (62) has cup jointed slider (63), strip hole (64) have been seted up to the surface of base (1), the upper end and the both sides fixed surface of slider (63) are connected with lug (65), lug (65) top fixedly connected with movable plate (66) of slider (63) upper end, the bottom and the movable plate (66) of telescopic cylinder (4) are fixed connection mutually.
  2. 2. The fatigue testing machine for the high-strength flexible hoisting belt according to claim 1, wherein the output end of the telescopic cylinder (4) is fixedly connected with a hook (5), the lower end of the cross beam (3) is also fixedly connected with a group of hooks (5), the number of the corresponding brackets (2) of the base (1) is two, and the two groups of brackets (2) are symmetrically distributed.
  3. 3. The fatigue testing machine for the high-strength flexible hoisting belt according to claim 1, wherein a servo motor (67) is fixedly connected to one end of the outer surface of one end of the base (1) corresponding to the threaded column (62), and the servo motor (67) is used for driving the threaded column (62) to rotate.
  4. 4. A fatigue testing machine for high-strength flexible hoisting belts according to claim 3, characterized in that the protruding blocks (65) are matched with strip-shaped holes (64), the number of the strip-shaped holes (64) is equal to that of the protruding blocks (65), and the positions of the protruding blocks and the strip-shaped holes are in one-to-one correspondence.
  5. 5. The fatigue testing machine for the high-strength flexible hoisting belt according to claim 4, wherein the threaded column (62) penetrates through the sliding block (63), the inner side of the sliding block (63) is matched with the surface threads of the threaded column (62), and the sliding block (63) is in sliding connection with the base (1).
  6. 6. The fatigue testing machine for high-strength flexible hoisting belts according to claim 1, characterized in that the back and forth movement of the slider (63) on the threaded column (62) is achieved by forward and reverse rotation of the threaded column (62), the slider (63) is of a square block structure, and the following movement of the telescopic cylinder (4) is achieved by the movement of the slider (63), the bump (65) and the adjusting structure (6).

Description

Fatigue testing machine for high-strength flexible hoisting belt Technical Field The utility model relates to the technical field of lifting belt fatigue test equipment, in particular to a fatigue testing machine for a high-strength flexible lifting belt. Background The flexible lifting belt is used as a lifting tool with light weight and high strength, is widely applied to the fields of port transportation, construction engineering, aerospace and the like, and has core performance indexes including bearing capacity, wear resistance and fatigue life resistance, wherein the fatigue performance directly determines the reliability of the lifting belt under long-term cyclic load, if the fatigue performance is insufficient, the lifting belt is likely to break suddenly to cause serious safety accidents, and a fatigue testing machine is experimental equipment for detecting the fatigue performance. According to the utility model, when the hoisting belt tensile test device is operated, the hoisting belt respectively passes through the shaft pin of the upper fixing seat and the shaft pin of the lower fixing seat, is placed between the shaft pin of the upper fixing seat and the shaft pin of the lower fixing seat, and the connecting parts of the upper fixing seat and the lower fixing seat are respectively placed between the upper jaw and the lower jaw of a common tensile testing machine, so that the tensile test of the hoisting belt can be safely carried out on the common tensile testing machine, and accurate and effective data can be obtained. In the prior art, the fatigue test is usually carried out by stretching up and down or horizontally during the fatigue test of the flexible hoisting belt, and the effect of oblique stretching cannot be simulated, so that the fatigue test machine for the high-strength flexible hoisting belt is improved. Disclosure of Invention The utility model aims to solve the problem that the conventional flexible hoisting belt fatigue test is usually performed by stretching up and down or horizontally stretching, and the oblique stretching cannot be simulated. In order to achieve the above object, the present utility model provides the following technical solutions: a fatigue testing machine for high-strength flexible hoisting belts is provided to improve the above problems. The application is specifically as follows: The fatigue testing machine for the high-strength flexible hoisting belt comprises a base, wherein two ends of the base are fixedly connected with brackets, the inner sides of the brackets are fixedly connected with cross beams, the upper end of the base is movably connected with a telescopic cylinder, and an adjusting structure is connected between the telescopic cylinder and the base; The inside of base has been seted up the spout, the inside swivelling joint of spout has the screw thread post, the surface of screw thread post has cup jointed the slider, the strip hole has been seted up to the surface of base, the upper end and the both sides fixedly connected with lug of slider, the lug top fixedly connected with movable plate of slider upper end, telescopic cylinder's bottom and movable plate looks fixed connection. As the preferable technical scheme of the application, the output end of the telescopic cylinder is fixedly connected with hooks, the lower end of the cross beam is also fixedly connected with a group of hooks, the number of the corresponding brackets of the base is two, and the two groups of brackets are symmetrically distributed. As a preferable technical scheme of the application, a servo motor is fixedly connected to one end of the outer surface of one end of the base, which corresponds to one end of the threaded column, and the servo motor is used for driving the threaded column to rotate. As a preferable technical scheme of the application, the protruding blocks are matched with the strip-shaped holes, the number of the strip-shaped holes is equal to that of the protruding blocks, and the positions of the protruding blocks and the strip-shaped holes are in one-to-one correspondence. As the preferable technical scheme of the application, the thread column penetrates through the sliding block, the inner side of the sliding block is matched with the surface thread of the thread column, and the sliding block is in sliding connection with the base. According to the technical scheme, the sliding block moves back and forth on the threaded column through forward and reverse rotation of the threaded column, the sliding block is of a square structure, and the following movement of the telescopic cylinder is realized through movement of the sliding block, the protruding block and the adjusting structure. Compared with the prior art, the utility model has the beneficial effects that: In the scheme of the application: Through the effect of adjusting the structure, can carry out fatigue test's in-process to the lifting belt at vertical pulling, also can carry out the pul