Steel wire rope fatigue test device

Abstract

The utility model discloses a steel wire rope fatigue test device, which relates to the technical field of steel wire rope fatigue test and comprises a base, the upper surface of the base is fixedly connected with a machine body, the rear surface of the machine body is fixedly connected with a second gear motor, and a driving shaft of the second gear motor penetrates through the machine body and is fixedly connected with a simulation traction wheel. A first guide wheel, a second guide wheel and a third guide wheel are rotationally connected to the lower portion of the front surface of the machine body, a square groove is formed in the front surface of the machine body, a cross beam is fixedly connected into the square groove, a pair of threaded rods is rotationally connected between the cross beam and the inner bottom face of the square groove, and a movable plate is jointly in threaded connection with the pair of threaded rods. A tension meter is arranged on the bottom face of the movable plate, a sliding block is arranged at the lower end of the tension meter, the front surface of the sliding block is rotationally connected with a tension wheel, the tension of the tension wheel on the steel wire rope can be changed through vertical movement of the tension wheel, and therefore workers can conduct fatigue tests on the steel wire rope under different tension.

Description

Technical Field

[0001] The utility model relates to the technical field of steel wire rope fatigue testing, in particular to a steel wire rope fatigue testing device. Background Art

[0002] Steel wire ropes need to be fatigue tested after production.

[0003] For example, in the utility model patent with announcement number CN202305317U, a horizontal wire rope fatigue testing machine is disclosed, which includes a working wheel installed on a machine body, a guide wheel and a transition wheel are respectively arranged on both sides of the working wheel, a simulated traction wheel is installed obliquely below the guide wheel, and a tension wheel is installed obliquely below the transition wheel. The tension wheel is connected to the tension transition wheel through a transmission assembly, a counterweight block is connected to the tension transition wheel, the working wheel is connected to a driving device, and the driving device is electrically connected to an electronic controller.

[0004] However, when the utility model is used, when it is necessary to test the steel wire rope under different tensions, it is not convenient to change the tension that the steel wire rope bears, and the use effect is not good. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a wire rope fatigue testing device to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a wire rope fatigue testing device, comprising a base, the upper surface of the base is fixedly connected to a body, the rear surface of the body is fixedly connected to a second reduction motor, the driving shaft of the second reduction motor passes through the body and is fixedly connected to a simulated traction wheel, the lower part of the front surface of the body is rotatably connected to a first guide wheel, a second guide wheel, and a third guide wheel, a square groove is provided on the front surface of the body, a crossbeam is fixedly connected in the square groove, a pair of threaded rods are rotatably connected between the crossbeam and the bottom surface of the square groove, a movable plate is commonly threadedly connected to the pair of threaded rods, a dynamometer is provided on the bottom surface of the movable plate, a slider is provided at the lower end of the dynamometer, and a tension wheel is rotatably connected to the front surface of the slider.

[0007] Preferably, the upper end of the threaded rod passes through the cross beam and is fixedly connected to a driven bevel gear, the left side of the upper surface of the cross beam is fixedly connected to a first reduction motor, the driving end of the first reduction motor is fixedly connected to a main shaft, the right end of the main shaft is rotatably connected to the inner surface of the square groove, and a pair of driving bevel gears are fixedly connected to the side surface of the main shaft, and the driving bevel gear is meshed with the driven bevel gear.

[0008] Preferably, a pair of guide rods are fixedly connected to the cross beam and the inner bottom surface of the square groove, a pair of guide rods are slidably connected in the slider, and a pair of guide rods are slidably connected in the movable plate.

[0009] Preferably, the threaded rod has self-locking properties.

[0010] Beneficial effects:

[0011] The utility model provides a wire rope fatigue test device, which has the following beneficial effects:

[0012] The wire rope can be tightened by moving the tension wheel upward, and the tension value can be displayed by the dynamometer. The wire rope can be driven to rotate reciprocatingly by simulating the reciprocating rotation of the traction wheel, so that fatigue test can be carried out on the wire rope. The tension of the tension wheel on the wire rope can be changed by moving the tension wheel vertically, and the dynamometer can display the tension value after the tension is changed, so that the staff can carry out fatigue test on the wire rope under different tensions. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is the front view of the utility model;

[0014] Figure 2 It is a rear view of the utility model.

[0015] In the figure: 1. base; 2. simulated traction wheel; 3. first guide wheel; 4. threaded rod; 5. slider; 6. tension wheel; 7. guide rod; 8. dynamometer; 9. movable plate; 10. first reduction motor; 11. active bevel gear; 12. driven bevel gear; 13. main shaft; 14. crossbeam; 15. square groove; 16. second guide wheel; 17. third guide wheel; 18. machine body; 19. second reduction motor; 31. wire rope. DETAILED DESCRIPTION

[0016] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0017] Directional terms mentioned in the present invention, such as "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., are only with reference to the directions shown in the drawings. The directional terms used are used to illustrate and understand the present invention, rather than to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0018] See also Figure 1-2The utility model provides a technical solution: a wire rope fatigue test device, including a base, the upper surface of the base is fixedly connected to the body, the rear surface of the body is fixedly connected to the second reduction motor, the second reduction motor drive shaft passes through the body and is fixedly connected to the simulated traction wheel, the lower part of the front surface of the body is rotatably connected to the first guide wheel, the second guide wheel, and the third guide wheel, the front surface of the body is provided with a square groove, the square groove is fixedly connected with a crossbeam, a pair of threaded rods are rotatably connected between the crossbeam and the bottom surface of the square groove, the pair of threaded rods are commonly threadedly connected with a movable plate, and the bottom surface of the movable plate is provided with a pull A force gauge and a tension gauge are provided at the lower end with a slider, and a tension wheel is rotatably connected to the front surface of the slider; the upper end of the threaded rod passes through the cross beam and is fixedly connected to a driven bevel gear, the left side of the upper surface of the cross beam is fixedly connected to a first reduction motor, the driving end of the first reduction motor is fixedly connected to a main shaft, the right end of the main shaft is rotatably connected to the inner surface of the square groove, a pair of active bevel gears are fixedly connected to the side surface of the main shaft, and the active bevel gear is meshed with the driven bevel gear; a pair of guide rods are fixedly connected to the cross beam and the inner bottom surface of the square groove, a pair of guide rods are slidably connected in the slider, and a pair of guide rods are slidably connected in the movable plate; the threaded rod has self-locking properties.

[0019] Through the personnel in this field, all the electrical components in this case are electrically connected to their corresponding power supplies, and a suitable controller should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should refer to the working sequence between the electrical components in the following working principle to complete the electrical connection. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process, and no longer explains the electrical control.

[0020] Embodiment: According to the specification attached Figure 1-2It can be known that when in use, the wire rope 31 is passed around the simulated traction wheel 2, the first guide wheel 3, the tension wheel 6, the second guide wheel 16, and the third guide wheel 17, and the first reduction motor 10 is started to drive a pair of active bevel gears 11 to rotate, and the rotation of the pair of active bevel gears 11 can drive a pair of driven bevel gears 12 to rotate, and the rotation of the pair of driven bevel gears 12 can drive a pair of threaded rods 4 to rotate, and the rotation of the pair of threaded rods 4 can drive the movable plate 9 to move upward, and the upward movement of the movable plate 9 can drive the dynamometer 8 to move upward, and the upward movement of the dynamometer 8 can drive the slider 5 to move upward, and the upward movement of the slider 5 can drive the tension wheel 6 to move upward, and the upward movement of the tension wheel 6 can drive the tension wheel 6 to move upward. The wire rope 31 can be tightened, and the tension value can be displayed by the dynamometer 8. The forward and reverse rotation of the second reduction motor 19 can drive the simulated traction wheel 2 to rotate back and forth, and the reciprocating rotation of the simulated traction wheel 2 can drive the wire rope 31 to rotate back and forth, so that the wire rope 31 can be fatigue tested. When the tension on the wire rope 31 needs to be adjusted, the movable plate 9 can be driven to move vertically by rotating a pair of threaded rods 4, and the vertical movement of the movable plate 9 can drive the vertical movement of the tension wheel 6, and the vertical movement of the tension wheel 6 can change the tension of the tension wheel 6 on the wire rope 31. The dynamometer 8 can display the tension value after the tension is changed, so that the staff can perform fatigue tests on the wire rope 31 under different tensions.

[0021] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wire rope fatigue testing device, characterized in that: The invention comprises a base (1), the upper surface of the base (1) is fixedly connected to a body (18), the rear surface of the body (18) is fixedly connected to a second reduction motor (19), the driving shaft of the second reduction motor (19) passes through the body (18) and is fixedly connected to a simulated traction wheel (2), the lower part of the front surface of the body (18) is rotatably connected to a first guide wheel (3), a second guide wheel (16), and a third guide wheel (17), the front surface of the body (18) is provided with a square groove (15), a crossbeam (14) is fixedly connected in the square groove (15), a pair of threaded rods (4) are rotatably connected between the crossbeam (14) and the inner bottom surface of the square groove (15), a movable plate (9) is commonly threadedly connected to the pair of threaded rods (4), a dynamometer (8) is provided on the bottom surface of the movable plate (9), a slider (5) is provided at the lower end of the dynamometer (8), and a tension wheel (6) is rotatably connected to the front surface of the slider (5).

2. A wire rope fatigue testing device according to claim 1, characterized in that: The upper end of the threaded rod (4) passes through the cross beam (14) and is fixedly connected to a driven bevel gear (12); the left side of the upper surface of the cross beam (14) is fixedly connected to a first reduction motor (10); the driving end of the first reduction motor (10) is fixedly connected to a main shaft (13); the right end of the main shaft (13) is rotatably connected to the inner surface of the square groove (15); a pair of driving bevel gears (11) are fixedly connected to the side surface of the main shaft (13); the driving bevel gear (11) is meshed with the driven bevel gear (12).

3. A wire rope fatigue testing device according to claim 1, characterized in that: A pair of guide rods (7) are fixedly connected to the inner bottom surface of the cross beam (14) and the square groove (15), a pair of guide rods (7) are slidably connected inside the slider (5), and a pair of guide rods (7) are slidably connected inside the movable plate (9).

4. A wire rope fatigue testing device according to claim 1, characterized in that: The threaded rod (4) has a self-locking property.

Images