Gear static load test tool

Abstract

The utility model discloses a gear static load test tool which comprises a base, a vertical plate fixed on the base and a limiting shaft installed on the vertical plate, one side of the limiting shaft is provided with a first limiting block and a second limiting block, the vertical plate is provided with a through step groove, and the first limiting block and the second limiting block are connected through the step groove. The first limiting block and the second limiting block are installed in the step groove and matched with the step groove in an anti-rotation mode, the limiting shaft extends out of the step groove, and a limiting key matched with the gear in an anti-rotation mode is arranged on the shaft section, extending out of the step groove, of the limiting shaft. According to the technical scheme, the gear can be rapidly installed, and the static load test of gears with different key grooves can be adapted by replacing the limiting shaft.

Description

Technical Field

[0001] The utility model relates to a gear static load test tool. Background Art

[0002] The gear static load test is an important test to evaluate the gear's ability to withstand stable loads in a static or low-speed rotating state. The main purpose of the gear static load test is to measure the maximum stable load that the gear can withstand in a static or low-speed rotating state, that is, the static load that causes the gear to fail. Existing gear fixing methods usually use multiple clamps to press and fix the side of the gear. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of the present invention is to provide a gear static load test fixture to facilitate the rapid installation of gears and to adapt to static load tests of gears of different sizes.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a gear static load test fixture, comprising a base, a vertical plate fixed on the base, and a limit shaft installed on the vertical plate, a first limit block and a second limit block being provided on one side of the limit shaft, a through step groove being provided on the vertical plate, the first limit block and the second limit block being installed in the step groove and cooperating with the step groove for anti-rotation, the limit shaft extending out of the step groove, and a limit key being provided on the shaft section extending out of the step groove for anti-rotation cooperation with the gear.

[0005] As a further improvement of the present invention, the limiting shaft is provided with a first slot along its radial direction, the vertical plate is provided with a second slot connected to the first slot, the second slot is connected to the outside to form an opening, and the vertical plate is provided with an insertion rod inserted into the first slot and the second slot.

[0006] As a further improvement of the present invention, a nut is threadedly connected to one side of the limit shaft opposite to the limit key.

[0007] As a further improvement of the present invention, side panels are provided on both sides of the vertical panel.

[0008] As a further improvement of the present invention, the base is provided with a slot for cooperating with the pressure plate for fixation.

[0009] The beneficial effects of the present invention are as follows: the gear is installed on the limiting shaft to limit its position and prevent it from rotating; the limiting block, the insert rod and the nut limit the axial direction of the limiting shaft to prevent it from falling off the vertical plate; the limiting shaft can be replaced to adapt to gears of different keyway sizes for testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1This is a schematic diagram of the overall structure of the embodiment of the utility model

[0011] Figure 2 This is a schematic diagram of a hidden limit axis according to an embodiment of the utility model;

[0012] Figure 3 This is a schematic diagram of a limiting shaft according to an embodiment of the present utility model;

[0013] Figure 4 It is a schematic cross-sectional view of the overall structure of an embodiment of the utility model.

[0014] Figure numbers: 1. Base; 2. Vertical plate; 3. Limit shaft; 4. First limit block; 5. Second limit block; 6. Step groove; 7. Limit key; 8. First slot; 9. Second slot; 10. Insert rod; 11. Nut; 12. Side plate; 13. Card slot. DETAILED DESCRIPTION

[0015] The present invention will be further described below with reference to the embodiments shown in the accompanying drawings.

[0016] Reference Figure 1-4 As shown, a gear static load test fixture includes a base 1, a vertical plate 2 fixed on the base 1, and a limit shaft 3 installed on the vertical plate 2. A first limit block 4 and a second limit block 5 are provided on one side of the limit shaft 3. A through step groove 6 is provided on the vertical plate 2. The first limit block 4 and the second limit block 5 are installed in the step groove 6 and cooperate with the step groove 6 to prevent rotation. The profile of the second limit block 5 is smaller than that of the first limit block 4, and the first limit block 4 is arranged on the outer side. This arrangement enables the limit shaft 3 to be directly inserted into the vertical plate 2 from the side for installation, and at the same time, through the step groove 6 The limit shaft 3 is limited, and the limit shaft 3 extends out of a step groove 6. The shaft section of the limit shaft 3 extending out of the step groove 6 is provided with a limit key 7 that cooperates with the gear to prevent rotation. During installation, the limit shaft 3 is inserted on one side of the vertical plate 2 to make the first limit block 4 and the second limit block 5 cooperate with the step groove 6. After insertion, the gear is installed on the limit shaft 3 so that the keyway of the gear cooperates with the limit key 7 to prevent the gear from rotating. The static load test is carried out by fixing the base 1 on the testing machine, pressing down through the cooperation of the rack hydraulic press or by installing a test gear at the end of the reducer.

[0017] The limiting shaft 3 is provided with a first slot 8 along its radial direction, and the vertical plate 2 is provided with a second slot 9 connected to the first slot 8, and the second slot 9 is connected to the outside to form an opening, and the vertical plate 2 is provided with an insertion rod 10 inserted into the first slot 8 and the second slot 9. When the insertion rod 10 is inserted, it abuts against the inner walls of the first slot 8 and the second slot 9 respectively. The insertion rod 10 is provided to further limit the limiting rod to prevent it from rotating and falling off the vertical plate 2. The limiting shaft 3 is threadedly connected to the side of the limiting key 7 with a nut 11. By arranging the nut 11 on one side of the limiting member, it is possible to press the gear on the vertical plate 2, which also serves to limit the limiting shaft 3 and strengthen the fixation of the gear. Side plates 12 are provided on both sides of the vertical plate 2. The side plates 12 are provided to further improve the stability of the vertical plate 2. The base 1 is provided with a card slot 13 for cooperating with the pressure plate for fixation.

[0018] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiment. All technical solutions based on the concept of the present invention are within the scope of protection of the present invention. It should be noted that for those skilled in the art, certain improvements and modifications that do not depart from the principles of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. A gear static load test fixture, characterized in that: It includes a base, a vertical plate fixed on the base, and a limiting shaft installed on the vertical plate. A first limiting block and a second limiting block are provided on one side of the limiting shaft. A through step groove is provided on the vertical plate. The first limiting block and the second limiting block are installed in the step groove and cooperate with the step groove for anti-rotation. The limiting shaft extends out of the step groove, and a limiting key is provided on the shaft section of the limiting shaft extending out of the step groove for anti-rotation cooperation with the gear.

2. The gear static load test fixture according to claim 1, characterized in that: The limiting shaft is provided with a first slot along its radial direction, the vertical plate is provided with a second slot connected to the first slot, the second slot is connected to the outside to form an opening, and the vertical plate is provided with an insertion rod inserted into the first slot and the second slot.

3. The gear static load test fixture according to claim 1, characterized in that: A nut is threadedly connected to one side of the limiting shaft opposite to the limiting key.

4. The gear static load test fixture according to claim 1, characterized in that: Side panels are provided on both sides of the vertical panel.

5. The gear static load test fixture according to claim 1, characterized in that: The base is provided with a slot for cooperating with the pressing plate for fixing.

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