Material strength testing device with rapid driving assembly

Through the design of the gear set and connecting rod structure, the rapid driving of the material strength testing device is achieved, which solves the problems of long testing time and low efficiency in the existing technology and improves the testing efficiency.

CN223361914UActive Publication Date: 2025-09-19SHANDONG UNIV OF SCI & TECH
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422545919.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-09-19
Estimated Expiration
2034-10-22

AI Technical Summary

Technical Problem

Existing torsional fatigue testing machines have long testing times, low efficiency, and slow driving speeds, making it difficult to meet the needs of rapid material strength testing.

Method used

The gear set and connecting rod structure design is adopted. The gear set is driven by a motor to realize rapid conversion into reciprocating linear motion. The rack and connecting rod structure is used to convert the rotation into reciprocating linear motion. The rack and connecting rod structure converts the rotation into reciprocating torsional motion, realizing efficient and economical reciprocating linear motion at both ends of the test component. The rack and gear design converts a single power source into a double-end drive, realizing reciprocating torsional motion in opposite directions at both ends of the material.

Benefits of technology

It improves the efficiency of material strength testing, shortens the testing time, and meets the needs of rapid testing.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223361914U_ABST
    Figure CN223361914U_ABST
Patent Text Reader

Abstract

The utility model discloses a material strength testing device with a quick driving component, which comprises a rack, a driving device is mounted on the rack and comprises a motor, the motor is fixedly connected onto the rack, the output end of the motor is fixedly connected with a first gear, the first gear is in meshed connection with a second gear, and the second gear is in meshed connection with the quick driving component. A first rotating shaft is fixedly connected to the second gear, the first rotating shaft is rotationally connected to the rack, and a first sliding rail is fixedly connected to the first rotating shaft; according to the driving device, the gear set is used for increasing the driving speed, rotation is converted into reciprocating rectilinear motion through the connecting rod structure so as to drive the testing assembly, and meanwhile the driving stroke can be adjusted through the adjusting screw, so that different testing requirements are met; the testing assembly adopts the design of combining a rack with a gear, a single power source is converted into double-end driving, and the two ends of the to-be-tested material can be twisted in a reciprocating manner in opposite directions at the same time, so that the testing time is effectively saved, and the testing efficiency is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of material strength testing devices, in particular to a material strength testing device with a fast driving component. Background Art

[0002] Fatigue testing is a type of material strength test primarily designed to determine the performance and lifespan of a material or structure under repeated loading and unloading. Existing torsional fatigue testing machines typically fix one end of the material and apply a reciprocating twisting force to the other end. This equipment suffers from the following drawbacks: 1. The twisting at one end results in prolonged testing times and low test efficiency; 2. The drive mechanism's slow speed further reduces test efficiency. Utility Model Content

[0003] The purpose of the utility model is to provide a material strength testing device with a fast driving component to solve the problems raised in the above background technology.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a material strength testing device with a rapid drive assembly, comprising a frame, a drive device installed on the frame, the drive device comprising a motor, and the motor is fixedly connected to the frame, the output end of the motor is fixedly connected to a first gear, the first gear is meshed with a second gear, the second gear is fixedly connected to a first rotating shaft, and the first rotating shaft is rotatably connected to the frame, the first rotating shaft is fixedly connected to a first slide rail, the first slide rail is rotatably connected to a screw, the screw is threadedly connected to a first slider, and the first slider is slidably connected to the first slide rail, a connecting rod is hinged on the first slider, the other end of the connecting rod is hinged to the second slider, and a test assembly is installed on the second slider.

[0005] Preferably, a second slide rail is slidably connected to the second slide block, and the second slide rail is fixedly connected to the frame.

[0006] Preferably, the test assembly includes a mounting plate, a rack, a third gear, a second rotating shaft, a fourth gear, a mounting frame and a fixture, and the mounting plate is fixedly connected to the second slider, and two racks are fixedly connected to the mounting plate.

[0007] Preferably, one of the racks is meshedly connected to a third gear, the third gear is fixedly connected to a second rotating shaft, and the second rotating shaft is rotatably connected to the frame.

[0008] Preferably, a fourth gear is meshedly connected to the other rack, and the fourth gear is rotatably connected to the second rotating shaft.

[0009] Preferably, a mounting bracket is fixedly connected to the fourth gear, and a clamp is fixedly connected to the mounting bracket and the second rotating shaft.

[0010] The utility model provides a material strength testing device with a fast driving component, which has the following advantages: the driving device of the utility model uses a gear set to increase the driving speed, and converts the rotation into reciprocating linear motion through a connecting rod structure to drive the test component, and the driving stroke can be adjusted by adjusting the screw to meet different test requirements; the test component adopts a rack combined with a gear design to convert a single power source into a double-end drive, which can simultaneously perform reciprocating twisting in opposite directions on both ends of the test material, thereby effectively saving test time and improving test efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0012] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the overall three-dimensional cutaway structure of the utility model;

[0014] Figure 3 for Figure 2 A magnified view of the structure of area A in the middle;

[0015] Figure 4 for Figure 2 A magnified view of the structure of the middle B area;

[0016] Figure 5 This is a schematic diagram of the three-dimensional cross-section structure of the fourth gear of the present invention.

[0017] In the figure: 1. Frame; 2. Drive device; 21. Motor; 22. First gear; 23. Second gear; 24. First rotating shaft; 25. First slide rail; 26. Screw; 27. First slider; 28. Connecting rod; 29. ​​Second slider; 210. Second slide rail; 3. Test assembly; 31. Mounting plate; 32. Rack; 33. Third gear; 34. Second rotating shaft; 35. Fourth gear; 36. Mounting frame; 37. Fixture. DETAILED DESCRIPTION

[0018] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] Please see the attached Figure 1 -Attached Figure 5 The present invention provides an embodiment of a material strength testing device with a fast drive assembly, comprising a frame 1, a drive device 2 mounted on the frame 1, the drive device 2 comprising a motor 21, and the motor 21 is fixedly connected to the frame 1, the output end of the motor 21 is fixedly connected to a first gear 22, the first gear 22 is meshedly connected to a second gear 23, the second gear 23 is fixedly connected to a first rotating shaft 24, and the first rotating shaft 24 is rotatably connected to the frame 1, the first rotating shaft 24 is fixedly connected to a first slide rail 25, the first slide rail 25 is rotatably connected to a screw 26, the screw 26 is threadedly connected to a first slider 27, and the first slider 27 is slidably connected to the first slide rail 25. A connecting rod 28 is hinged on the first slider 27, and the other end of the connecting rod 28 is hinged to a second slider 29. The second slider 29 is equipped with a test assembly 3. The motor 21 is used to drive the first gear 22, the first gear 22 drives the second gear 23, the second gear 23 drives the first rotating shaft 24, the first rotating shaft 24 drives the first slide rail 25, the first slide rail 25 drives the connecting rod 28 through the first slider 27, and the connecting rod 28 drives the second slider 29. The screw 26 is used to adjust the first slider 27 at the first position. The second slider 29 is slidably connected to the second slider 210, and the second slider 210 is fixedly connected to the frame 1, and the second slider 210 is used to guide the second slider 29; the test assembly 3 includes a mounting plate 31, a rack 32, a third gear 33, a second shaft 34, a fourth gear 35, a mounting frame 36 and a clamp 37, and the mounting plate 31 is fixedly connected to the second slider 29, and two racks 32 are fixedly connected to the mounting plate 31, and the mounting plate 31 is used to mount the rack 32 on the second slider 29; one of the racks 32 is meshed with The third gear 33 is fixedly connected to the second rotating shaft 34, and the second rotating shaft 34 is rotatably connected to the frame 1, and the rack 32 is used to drive the third gear 33; the other rack 32 is meshed with a fourth gear 35, and the fourth gear 35 is rotatably connected to the second rotating shaft 34, the rack 32 is used to drive the fourth gear 35, and the second rotating shaft 34 is used to install the third gear 33 and the fourth gear 35; the fourth gear 35 is fixedly connected to a mounting bracket 36, and the mounting bracket 36 and the second rotating shaft 34 are both fixedly connected to a clamp 37, and the clamp 37 is used to clamp the material to be tested.

[0020] Working principle: When using the present invention, the two ends of the material to be tested are respectively clamped and fixed on the two clamps 37, and the motor 21 on the frame 1 is used to drive the first gear 22, the first gear 22 drives the second gear 23, the second gear 23 drives the first rotating shaft 24, the first rotating shaft 24 drives the first slide rail 25, the first slide rail 25 drives the connecting rod 28 through the first slider 27, and the connecting rod 28 drives the second slider 29 to perform reciprocating linear motion along the second slide rail 210, the second slider 29 drives the rack 32 through the mounting plate 31, one of the racks 32 drives the third gear 33, the third gear 33 drives the second rotating shaft 34, and the other rack 32 drives the fourth gear 35, and the fourth gear 35 drives the mounting bracket 36, so that the mounting bracket 36 and the clamp 37 on the second rotating shaft 34 perform reciprocating deflection in opposite directions to twist the clamped material. If the degree of distortion needs to be adjusted, the screw 26 can be turned to adjust the position of the first slider 27 on the first slide rail 25 to adjust the stroke of the rack 32.

[0021] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0022] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, i.e., they may be located in one location or distributed across multiple network units. Some or all of the modules may be selected based on actual needs to achieve the objectives of the present embodiment. Persons of ordinary skill in the art will be able to understand and implement the present invention without inventive effort.

[0023] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A material strength testing device with a fast drive assembly, comprising a frame (1), characterized in that: The frame (1) is provided with a driving device (2), the driving device (2) comprising a motor (21), and the motor (21) is fixedly connected to the frame (1); an output end of the motor (21) is fixedly connected to a first gear (22), the first gear (22) is meshedly connected to a second gear (23), a first rotating shaft (24) is fixedly connected to the second gear (23), and the first rotating shaft (24) is rotatably connected to the frame (1); a first sliding rail (25) is fixedly connected to the first rotating shaft (24), a screw (26) is rotatably connected to the first sliding rail (25), a first slider (27) is threadedly connected to the screw (26), and the first slider (27) is slidably connected to the first sliding rail (25); a connecting rod (28) is hinged to the first slider (27), the other end of the connecting rod (28) is hinged to a second slider (29), and a test assembly (3) is installed on the second slider (29).

2. The material strength testing device according to claim 1, characterized in that: The second sliding block (29) is slidably connected to a second sliding rail (210), and the second sliding rail (210) is fixedly connected to the frame (1).

3. The material strength testing device according to claim 1, characterized in that: The test assembly (3) comprises a mounting plate (31), a rack (32), a third gear (33), a second rotating shaft (34), a fourth gear (35), a mounting frame (36) and a clamp (37), wherein the mounting plate (31) is fixedly connected to the second slider (29), and two racks (32) are fixedly connected to the mounting plate (31).

4. The material strength testing device according to claim 3, characterized in that: One of the racks (32) is meshedly connected to a third gear (33), the third gear (33) is fixedly connected to a second rotating shaft (34), and the second rotating shaft (34) is rotatably connected to the frame (1).

5. The material strength testing device according to claim 4, characterized in that: A fourth gear (35) is meshedly connected to the other rack (32), and the fourth gear (35) is rotatably connected to the second rotating shaft (34).

6. The material strength testing device according to claim 5, characterized in that: The fourth gear (35) is fixedly connected to a mounting frame (36), and the mounting frame (36) and the second rotating shaft (34) are both fixedly connected to a clamp (37).