Typical mechanical component fatigue wear testing machine

Abstract

The utility model relates to the technical field of abrasion tests, and discloses a typical mechanical component fatigue abrasion testing machine which comprises a workbench, universal wheels are fixedly connected to the bottom of the workbench, a positioning assembly is installed outside the workbench, and a lifting assembly is installed outside the workbench. The positioning assembly comprises a mounting shell, the mounting shell is mounted at the top of the workbench, a leaf spring is fixedly connected to the interior of the mounting shell, a clamping block is slidably connected to the middle of the mounting shell, a fixing block is fixedly connected to the bottom of the clamping block, and a positioning rod is fixedly connected to the interior of the mounting shell. According to the utility model, the clamping block is driven through the elastic force of the leaf spring, so that test mechanisms with different sizes can be conveniently and accurately clamped and positioned, the flexibility and efficiency of test operation are greatly improved, and the time cost of frequently adjusting equipment due to adaptation to different test pieces is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to wear test technical field especially relates to a typical mechanical component fatigue wear testing machine. BACKGROUND

[0002] In the modern mechanical engineering field, the fatigue wear characteristic research of mechanical component has extremely key significance to improve the quality, reliability and service life of mechanical product. A typical mechanical component fatigue wear testing machine emerges as the times require, it can simulate the fatigue and wear effect that various mechanical components bear under the actual working environment, thereby providing important data support and scientific basis for material selection, component design optimization and process improvement etc.

[0003] Some conventional fatigue wear test equipment is often single structure, usually by fixed frame, motor, single gear test piece and simple loading device constitutes, the clamping mechanism that part fatigue wear test equipment often uses is usually fixed structure, when facing many different types, different size mechanical components, the adaptability is poor, it is difficult to simulate complex working condition accurately, therefore puts forward a kind of typical mechanical component fatigue wear testing machine to solve the above problems. UTILITY MODEL CONTENT

[0004] In order to make up for the above insufficient, the utility model provides a kind of typical mechanical component fatigue wear testing machine, aims at improving the poor adaptability of prior art when facing different size mechanical components.

[0005] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0006] A kind of typical mechanical component fatigue wear testing machine, including workbench, the bottom of the workbench is fixedly connected with universal wheel, the outside of the workbench is installed with positioning assembly, the outside of the workbench is installed with lifting assembly;

[0007] The positioning assembly includes installation shell, the installation shell is installed at the top of the workbench, the inside of the installation shell is fixedly connected with leaf spring, the middle part of the installation shell is slidably connected with clamping block, the bottom of the clamping block is fixedly connected with fixed block, the inside of the installation shell is fixedly connected with positioning rod;

[0008] As a further description of the above technical scheme:

[0009] The lifting assembly includes base, the base is fixedly connected at the outside of the workbench, the outside of the base is fixedly connected with air cylinder, the inside of the air cylinder is slidably connected with telescopic rod, the end of the telescopic rod is fixedly connected with connecting block;

[0010] As a further description of the above technical scheme:

[0011] The support rod is externally and slidably connected to the middle part of the connecting block;

[0012] As a further description of the above technical solution:

[0013] The driving motor is internally and fixedly connected to the workbench, and the output end of the driving motor is fixedly connected with a rotating rod;

[0014] As a further description of the above technical solution:

[0015] The rotating rod is externally and fixedly connected with a shaft coupling, and the shaft coupling is externally and fixedly connected with a torsional damping machine;

[0016] As a further description of the above technical solution:

[0017] The torsional damping machine is internally and fixedly connected with a pressure piece;

[0018] As a further description of the above technical solution:

[0019] The inner side of the fixed block is fixedly connected to the outside of the leaf spring;

[0020] As a further description of the above technical solution:

[0021] The workbench is externally and rotatably connected with a box door, and the box door is externally and fixedly connected with a handle.

[0022] The utility model has the advantages of the following:

[0023] 1、In the utility model, the leaf spring elastic force drives the clamping block, so that various test mechanisms of different sizes can be accurately clamped and positioned conveniently, the flexibility and efficiency of test operation are greatly improved, the time cost of frequently adjusting equipment due to the adaptation of different test pieces is reduced. At the same time, during the whole equipment operation process, the anti-loosening, stable trajectory and damping functions effectively maintain the integrity of the internal structure of the equipment, reduce the part wear and failure risk, ensure the long-term stable and reliable operation of the equipment, and are favorable for the smooth development and result accuracy improvement of various mechanical component fatigue wear tests.

[0024] 2、In the utility model, the telescopic rod in the air cylinder drives the connecting block to move up and down along the support rod, the height position of the component connected with the connecting block can be adjusted to adapt to the installation requirements of different test components or the requirements for the height position under different test conditions, so that the test component can be ensured to be in the best spatial position during installation, the uniformity and accuracy of force transmission during the test process are guaranteed, and the test error or component damage risk caused by improper installation height is effectively avoided. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 A typical mechanical component fatigue and wear testing machine is provided in the utility model, and the utility model discloses a typical mechanical component fatigue and wear testing machine.

[0026] Figure 2 A typical mechanical component fatigue and wear testing machine is provided in the utility model, and the utility model discloses a typical mechanical component fatigue and wear testing machine.

[0027] Figure 3 A typical mechanical component fatigue and wear testing machine is provided in the utility model, and the utility model discloses a typical mechanical component fatigue and wear testing machine.

[0028] Legend:

[0029] 1, workbench, 2, base, 3, universal wheel, 4, handle, 5, box door, 6, air cylinder, 7, support rod, 8, connecting block, 9, shaft coupling, 10, installation shell, 11, rotating rod, 12, torsional damping machine, 13, pressure piece, 14, telescopic rod, 15, clamping block, 16, leaf spring, 17, fixed block, 18, positioning rod, 19, drive motor. Specific implementation

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] Reference Figure 1 and Figure 2The utility model provides a kind of typical mechanical component fatigue wear testing machine, including workbench 1, the bottom of workbench 1 is fixedly connected with universal wheel 3, positioning assembly is installed outside workbench 1, lifting assembly is installed outside workbench 1;Positioning assembly includes installation shell 10, installation shell 10 is installed at the top of workbench 1, the inside fixed connection of installation shell 10 has leaf spring 16, and different sizes of test mechanism can be self-adapting by leaf spring 16 elastic force, without tedious manual adjustment or replacement jig, greatly improve the compatibility and operation convenience of equipment to multiple test objects, save test preparation time.The middle part of installation shell 10 is slidably connected with clamping block 15, the bottom of clamping block 15 is fixedly connected with fixed block 17, the inside fixed connection of installation shell 10 has positioning rod 18, clamping block 15 is slid in installation shell 10.The position and motion track of clamping block 15 are determined under the synergic restraint of leaf spring 16 elastic force and positioning rod 18, so as to realize the clamping positioning of test mechanism, effectively prevent test mechanism from displacement or loosening when equipment is running, ensure the continuity of test process and the accuracy of data.The inside fixed connection of workbench 1 has drive motor 19, and the output of drive motor 19 is fixedly connected with rotating rod 11.The outside fixed connection of rotating rod 11 has shaft coupling 9, the outside fixed connection of shaft coupling 9 has torsional damping machine 12, and the existence of torsional damping machine 12 effectively reduces torsional vibration and impact force in power transmission process, avoids the problems such as uneven stress of test component, large test data fluctuation caused by these unstable factors, guarantees the stability of entire test process, helps to improve the accuracy and reliability of test result, through the synergic cooperation of drive motor 19, rotating rod 11, shaft coupling 9 and torsional damping machine 12 etc., the complex stress conditions such as torsional force and pressure that mechanical component faces in actual use scene can be simulated more accurately, so that the fatigue wear process of test component is more close to actual, and the test data obtained is more valuable for guiding the design of actual mechanical component, material selection and process optimization etc.The inside fixed connection of torsional damping machine 12 has pressure piece 13.The inside of fixed block 17 is fixedly connected outside leaf spring 16.The outside rotary connection of workbench 1 has box door 5, the outside fixed connection of box door 5 has handle 4, and box door 5 can be opened and closed by handle 4, convenient for operating and maintaining internal equipment.

[0032] Referring to Figure 1 and Figure 3The lifting assembly comprises a base 2 fixedly connected to the outside of the workbench 1, a gas cylinder 6 fixedly connected to the outside of the base 2, a telescopic rod 14 slidingly connected to the inside of the gas cylinder 6, and a connecting block 8 fixedly connected to the end of the telescopic rod 14. A supporting rod 7 is fixedly connected to the outside of the workbench 1, and the supporting rod 7 is slidingly connected to the middle of the connecting block 8. The gas cylinder 6 is started. The telescopic rod 14 is driven to perform telescopic movement by the change of the internal gas pressure of the gas cylinder 6. Since the end of the telescopic rod 14 is fixedly connected to the connecting block 8, the connecting block 8 moves up and down when the telescopic rod 14 telescopes. The middle of the connecting block 8 is in a sliding connection with the supporting rod 7 fixedly connected to the outside of the workbench 1, and the supporting rod 7 provides a stable guiding action for the up-and-down movement of the connecting block 8, so that the connecting block 8 can only perform linear movement along the axial direction of the supporting rod 7 in the movement process, thereby ensuring the stability and accuracy of the connecting block 8 in the height adjustment process, and further realizing the accurate adjustment of the height position of the components connected to the connecting block 8.

[0033] Working principle: the entire test machine can be conveniently moved through the universal wheel 3, and when reaching the specified working position, the mechanism to be tested is positioned and fixed through the leaf spring 16 and the clamping block 15 in the installation shell 10 and the positioning rod 18, the elastic force of the leaf spring 16 is used to drive the clamping block 15 to clamp mechanisms of different sizes, and during the operation of the equipment, some components are prevented from loosening, the movement track is stabilized, or the vibration is buffered, thereby ensuring the stability of the overall structure of the equipment and the reliability of the operation. The driving motor 19 serves as a power source, the rotating rod 11 at the output end of the driving motor 19 rotates, the power is transmitted to the torsional damping machine 12 through the shaft coupling 9, and the pressurizing piece 13 in the torsional damping machine 12 can exert torsional force and pressure on the test component during rotation, so as to simulate the complex stress state that the test component bears in the actual working condition, and make the test component produce fatigue and wear phenomena under the repeated torsional and pressure actions, so as to study the fatigue and wear characteristics thereof. During the test process, the lifting assembly can adjust the height of the related components. The telescopic rod 14 in the gas cylinder 6 drives the connecting block 8 to move up and down along the supporting rod 7, and the height position of the components connected to the connecting block 8 can be adjusted to adapt to the installation requirements of different test components or the requirements for the height position under different test conditions.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or replace some technical features equivalently, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A typical mechanical component fatigue wear tester comprising a work table, characterized by: The bottom of the workbench is fixedly connected with universal wheels, the outside of the workbench is installed with a positioning assembly, and the outside of the workbench is installed with a lifting assembly. The positioning assembly comprises a mounting shell, the mounting shell is installed on the top of the workbench, the inside of the mounting shell is fixedly connected with a leaf spring, the middle of the mounting shell is slidably connected with a clamping block, the bottom of the clamping block is fixedly connected with a fixed block, and the inside of the mounting shell is fixedly connected with a positioning rod.

2. A machine for testing the fatigue of a mechanical component according to claim 1, characterized in that: The lifting assembly comprises a base, the base is fixedly connected to the outside of the workbench, the outside of the base is fixedly connected with a gas cylinder, the inside of the gas cylinder is slidably connected with a telescopic rod, and the end of the telescopic rod is fixedly connected with a connecting block.

3. A machine for testing the fatigue of a mechanical component according to claim 2, characterized in that: The outside of the workbench is fixedly connected with a supporting rod, and the middle of the connecting block is slidably connected with the outside of the supporting rod.

4. The apparatus of claim 1 wherein: The inside of the workbench is fixedly connected with a driving motor, and the output end of the driving motor is fixedly connected with a rotating rod.

5. A machine for testing the fatigue of a mechanical component according to claim 4, characterized in that: The outside of the rotating rod is fixedly connected with a shaft coupling, and the outside of the shaft coupling is fixedly connected with a torsional damping machine.

6. A machine for testing the fatigue of a mechanical component according to claim 5, characterized in that: The inside of the torsional damping machine is fixedly connected with a pressure device.

7. The machine according to claim 1, wherein: The inside of the fixed block is fixedly connected to the outside of the leaf spring.

8. The machine according to claim 1, wherein: The outside of the workbench is rotatably connected with a box door, and the outside of the box door is fixedly connected with a handle.

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