Fatigue testing device for rotary speed reducer

Abstract

The utility model discloses a fatigue testing device for a rotary speed reducer, which comprises a notch square box, the rotary speed reducer is fixed on the side wall of the upper plane of the notch square box, a swing arm is connected onto an output shaft of the rotary speed reducer, and a balancing weight is hung at the other end of the swing arm. The rotary speed reducers with different sizes can be quickly mounted on the notch square box; the swing arm can be loaded through different mounting holes and can support the torque range of 400-8000 Nm; a hook-shaped opening of the balancing weight is convenient to mount and can be mounted and dismounted by a single person; data is wirelessly transmitted through an electric control box antenna, a lora module is inserted into a computer, upper computer software is opened, and the data is inquired; data are transmitted through the electric control box, real-time current, angle and operation times in the testing process can be accurately known, and compared with a traditional current clamp and counter point inspection mode, the working efficiency and accuracy are improved by 60%.

Description

Technical Field

[0001] This utility model relates to the field of testing device technology, and in particular to a fatigue testing device for a rotary reducer. Background Technology

[0002] Fatigue testing is a testing method that involves running a system for a long time and at a high frequency to detect its stability, resource leakage, and performance degradation. It is mainly used to verify the reliability of software and hardware under continuous load.

[0003] Most existing tests for rotary reducers only target high-frequency operation, and there are not many devices that test rotation under counterweight conditions. Utility Model Content

[0004] To address the aforementioned technical problems, a fatigue testing device for rotary reducers is provided.

[0005] To achieve the above objectives, in a preferred embodiment of the present invention, the present invention includes a slotted square box, a rotary reducer fixed to the upper side wall of the slotted square box, a swing arm connected to the output shaft of the rotary reducer, and a counterweight hanging at the other end of the swing arm.

[0006] In a preferred embodiment, the present invention may be further configured such that an electrical control box is fixed on the wall rod of the swing arm, the box contains corresponding sensor feedback signals, and a wireless antenna is provided on the electrical control box.

[0007] In a preferred embodiment, the present invention may be further configured such that the swing arm is provided in two sets, one end of which is respectively provided at the output ends on both sides of the rotary reducer, and the other end is connected through a connecting shaft, and a counterweight is hung on the connecting shaft.

[0008] In a preferred embodiment, the present invention may be further configured such that the counterweight is provided with a hook-shaped opening groove, the groove width being greater than the diameter of the connecting shaft.

[0009] In a preferred embodiment, the present invention may be further configured such that reinforcing blocks are fixed on both the upper and lower surfaces of the connection between the swing arm and the rotary reducer.

[0010] In a preferred embodiment, the present invention may be further configured such that the counterweight block has a plurality of bolt holes, and multiple counterweight blocks are connected by bolts.

[0011] Beneficial effects: This utility model provides a fatigue testing device for rotary reducers. The slotted square box allows for quick installation of rotary reducers of different sizes; the swing arm can support a torque range of 400-8000 Nm through different mounting holes; the counterweight's hook-shaped opening facilitates installation and allows for single-person mounting and dismounting; data is wirelessly transmitted via the antenna of the control box, and the computer can be connected to the LoRa module and the host computer software can be opened to query the data; data transmission through the control box allows for precise monitoring of real-time current, angle, and number of runs during the test, improving work efficiency and accuracy by 60% compared to traditional current clamp and counter inspection methods. Attached Figure Description

[0012] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0013] Figure 1 This is a schematic diagram of the overall design of this utility model.

[0014] Figure 2 This is a schematic cross-sectional view of the counterweight block of this utility model.

[0015] In the diagram, 1 is the slotted square box; 2 is the rotary reducer; 3 is the swing arm; 4 is the electrical control box; and 5 is the counterweight. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] like Figure 1 and Figure 2 As shown, a fatigue testing device for a rotary reducer includes a slotted square box 1. A rotary reducer 2 is fixed to the upper side wall of the slotted square box 1. A swing arm 3 is connected to the output shaft of the rotary reducer 2, and a counterweight 5 is hung at the other end of the swing arm 3.

[0018] An electrical control box 4 is fixed on the wall rod of the swing arm 3. The box contains corresponding sensor feedback signals and a wireless antenna.

[0019] The swing arm 3 is provided in two sets, one end of which is respectively set at the output end on both sides of the rotary reducer 2, and the other end is connected through a connecting shaft, and a counterweight 5 is hung on the connecting shaft.

[0020] The counterweight 5 is provided with a hook-shaped opening groove, the width of which is greater than the diameter of the connecting shaft.

[0021] The upper and lower surfaces of the connection between the swing arm 3 and the rotary reducer 2 are fixed with reinforcing blocks.

[0022] The counterweight 5 has several bolt holes on its body, and multiple counterweights 5 are connected by bolts.

[0023] Working principle: The reducer is installed and fixed on the slotted square box with T-bolts. According to the test standard, the swing arm is installed and a counterweight is added to the target torque value. The LORA module is inserted into the computer, and data such as running angle, current, and number of cycles are collected through the host computer software.

[0024] It should be noted that in this article, relational terms such as first and second are used only to distinguish one entity from another, and do not necessarily require or imply any such actual relationship or order between these entities.

[0025] The examples above are merely illustrative of this utility model and do not constitute a limitation on the scope of protection of this utility model. All designs that are the same as or similar to this utility model are within the scope of protection of this utility model.

Claims

1. A fatigue testing device for a rotary reducer, characterized in that, The box includes a slotted square box (1), a rotary reducer (2) is fixed on the upper side wall of the slotted square box (1), a swing arm (3) is connected to the output shaft of the rotary reducer (2), and a counterweight (5) is hung at the other end of the swing arm (3).

2. The fatigue testing device for a rotary reducer according to claim 1, characterized in that, An electrical control box (4) is fixed on the wall rod of the swing arm (3), which is equipped with corresponding sensor feedback signals and a wireless antenna.

3. The fatigue testing device for a rotary reducer according to claim 2, characterized in that, The swing arm (3) is provided in two sets, one end of which is respectively set at the output ends on both sides of the rotary reducer (2), and the other end is connected through a connecting shaft, and a counterweight (5) is hung on the connecting shaft.

4. The fatigue testing device for a rotary reducer according to claim 3, characterized in that, The counterweight (5) is provided with a hook-shaped opening groove, the width of which is greater than the diameter of the connecting shaft.

5. The fatigue testing device for a rotary reducer according to claim 4, characterized in that, The upper and lower surfaces of the connection between the swing arm (3) and the rotary reducer (2) are fixed with reinforcing blocks.

6. The fatigue testing device for a rotary reducer according to claim 5, characterized in that, The counterweight (5) has several bolt holes on its body, and multiple counterweights (5) are connected by bolts.

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