Gear fatigue test equipment for high-speed precision gear

Abstract

The utility model discloses gear fatigue test equipment for a high-speed precision gear, which comprises a working table, a first rotating bearing is embedded inside the working table, a driving test mechanism is connected inside the first rotating bearing, a second rotating bearing is embedded on the upper surface of the working table, the inner ring of the second rotating bearing is connected with a first connecting rod, and the inner ring of the second rotating bearing is connected with a second connecting rod. The top end of the first connecting rod is connected with a placing disc, and the upper surface of the placing disc is connected with a fixing column. According to the device, firstly, a hydraulic cylinder and a hydraulic telescopic rod can drive a fixed disc, a rotating disc and an annular sleeve to descend downwards, so that the annular sleeve can perform jacking operation on a gear sample on a placement disc, and then the gear sample can be prevented from shaking up and down during test operation; and meanwhile, a rotating disc can be driven to rotate by utilizing a third rotating bearing and a second connecting rod, so that the rotating disc can rotate along with the gear sample, and the accuracy of a test result of the gear sample is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear fatigue test technical field especially a gear fatigue test equipment of high -speed precision gear. BACKGROUND

[0002] Gear fatigue test is a kind of test method for evaluating the fatigue resistance of gear under cyclic loading, is to determine the fatigue life of gear under different load levels, provides the basis for the design of gear, material selection and life prediction, studies the fatigue failure mode and mechanism of gear, analyzes the factors influencing the fatigue performance of gear, so as to take corresponding improvement measures, improves the reliability and durability of gear.

[0003] At present, when the gear fatigue test equipment is tested to the gear, the gear is directly installed on the fixed column mostly, and the main gear is rotated using the driving mechanism, to carry out test operation to the gear outside the fixed column, but this test mode is easy to make the gear slide on the surface of the fixed column, to cause the misplacement of gear and main gear, to finally lead to the accuracy of gear test result, to solve the above problems, we propose a kind of gear fatigue test equipment of high -speed precision gear. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of gear fatigue test equipment of high -speed precision gear to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of gear fatigue test equipment of high -speed precision gear, including workbench, the inside of the workbench is inlaid with first rotating bearing, the inside of the first rotating bearing is connected with driving test mechanism, the upper surface of the workbench is inlaid with second rotating bearing, the inner ring of the second rotating bearing is connected with first connecting rod, the top of the first connecting rod is connected with placing disc, the upper surface of the placing disc is connected with fixed column, the outer surface of the fixed column is equipped with gear sample, the upper surface of the workbench is connected with vertical plate, the upper surface of the vertical plate is connected with top plate, the inside of the top plate is installed with hydraulic cylinder, the output of the hydraulic cylinder is connected with hydraulic telescopic rod, the bottom of the hydraulic telescopic rod is connected with fixed disc, the bottom of the fixed disc is inlaid with third rotating bearing, the inner ring of the third rotating bearing is connected with second connecting rod, the bottom of the second connecting rod is connected with rotating disc, the bottom of the rotating disc is connected with annular sleeve.

[0007] In further embodiments, the driving test mechanism comprises a rotating rod, an outer surface of the rotating rod is connected with an inner ring of a first rotating bearing, a bottom end of the rotating rod is provided with a driving motor, and an outer surface of the rotating rod is connected with a test gear.

[0008] In further embodiments, the bottom surface of the workbench is connected with two groups of supporting legs, the front surface of the vertical plate is connected with a triangular plate, and the upper surface of the triangular plate is connected with the bottom surface of the top plate.

[0009] In further embodiments, the front surface of the workbench is provided with control buttons, and a tool storage box is placed below the workbench.

[0010] In further embodiments, the bottom surface of the workbench is connected with an L-shaped connecting frame, and the upper surface of the L-shaped connecting frame is connected with the bottom surface of the driving motor.

[0011] In further embodiments, the upper surface of the workbench is provided with an annular groove, and a group of positioning rods are slidably connected inside the annular groove, and the top end of each positioning rod is connected with the bottom surface of the placement disc.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The device can drive the fixed disc, rotating disc and annular sleeve to fall down by using the hydraulic cylinder and hydraulic telescopic rod, so that the annular sleeve can tightly press the gear sample on the placement disc, thereby avoiding the up-and-down shaking of the gear sample during the test operation, and the rotating disc can be driven to rotate by using the third rotating bearing and second connecting rod, so that the rotating disc can rotate with the gear sample, thereby improving the accuracy of the test result of the gear sample. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a perspective view of a gear fatigue test equipment for high-speed precision gears;

[0015] Figure 2 It is a front view of a gear fatigue test equipment for high-speed precision gears;

[0016] Figure 3 It is a gear fatigue test equipment for high-speed precision gears Figure 2 It is an enlarged structure schematic view of A in the gear fatigue test equipment for high-speed precision gears;

[0017] Figure 4 It is a gear fatigue test equipment for high-speed precision gears Figure 2 It is an enlarged structure schematic view of B in the gear fatigue test equipment for high-speed precision gears.

[0018] In the figure: 1, workbench; 2, first rotating bearing; 3, drive test mechanism; 301, rotating rod; 302, drive motor; 303, test gear; 4, second rotating bearing; 5, first connecting rod; 6, placing disc; 7, fixed column; 8, gear sample; 9, vertical plate; 10, top plate; 11, hydraulic cylinder; 12, hydraulic telescopic rod; 13, fixed disc; 14, third rotating bearing; 15, second connecting rod; 16, rotating disc; 17, annular sleeve; 18, supporting leg; 19, triangular plate; 20, control button; 21, tool storage box; 22, L-shaped connecting frame; 23, annular groove; 24, positioning rod. DETAILED DESCRIPTION

[0019] In the description of the present application, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0020] In the description of the present application, it needs to be understood that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely in the following description of the embodiments of the present application, obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary skilled in the art without creative labor belong to the scope of protection of the present application.

[0022] Please refer to Figures 1-4The utility model discloses a high -speed precision gear's gear fatigue test equipment, including work table 1, the inside inlay of work table 1 has first rotating bearing 2, and the inside connection of first rotating bearing 2 has drive test mechanism 3, and the upper surface inlay of work table 1 has second rotating bearing 4, and the inner ring of second rotating bearing 4 is connected with first connecting rod 5, and the top of first connecting rod 5 is connected with placing tray 6, and the upper surface of placing tray 6 is connected with fixed column 7, and the outer surface of fixed column 7 is equipped with gear sample 8, and the upper surface of work table 1 is connected with vertical board 9, and the upper surface of vertical board 9 is connected with top plate 10, and the inside installation of top plate 10 has hydraulic cylinder 11, and the output of hydraulic cylinder 11 is connected with hydraulic telescopic link 12, and the bottom of hydraulic telescopic link 12 is connected with fixed disc 13, and the bottom inlay of fixed disc 13 has third rotating bearing 14, and the inner ring of third rotating bearing 14 is connected with second connecting rod 15, and the bottom of second connecting rod 15 is connected with rotary disc 16, and the bottom of rotary disc 16 is connected with annular sleeve 17, and drive test mechanism 3 includes rotating rod 301, and the outer surface of rotating rod 301 is connected with the inner ring of first rotating bearing 2, and the bottom of rotating rod 301 is installed with drive motor 302, and the outer surface of rotating rod 301 is connected with test gear 303, and can drive rotating rod 301 and test gear 303 to rotate with drive motor 302, and this can drive gear sample 8 to rotate quickly with the meshing force of test gear 303 and gear sample 8, thereby carrying out fatigue test operation to gear sample 8.

[0023] The bottom of work table 1 is connected with two groups of support legs 18, the front of vertical board 9 is connected with triangular plate 19, the upper surface of triangular plate 19 is connected with the bottom of top plate 10, the front of work table 1 is installed with control button 20, and tool storage box 21 is placed below work table 1, triangular plate 19 can be used to reinforce top plate 10, so that top plate 10 and vertical board 9 are connected more firmly, and tool storage box 21 can be used to store various tools conveniently.

[0024] The bottom of work table 1 is connected with L-shaped connecting frame 22, the upper surface of L-shaped connecting frame 22 is connected with the bottom of drive motor 302, the upper surface of work table 1 is provided with annular groove 23, a group of positioning rods 24 are slidably connected in annular groove 23, the top of each positioning rod 24 is connected with the bottom of placing tray 6, L-shaped connecting frame 22 can be used to support drive motor 302, so that drive motor 302 runs more stably, and annular groove 23 and positioning rod 24 can be used to limit placing tray 6, so that placing tray 6 rotates more stably.

[0025] The working principle of the utility model is:

[0026] When the device is used, the worker first puts the gear sample 8 into the outside of the fixing column 7, and makes the bottom surface of the gear sample 8 contact with the upper surface of the placing disc 6, and at the same time, the teeth of the gear sample 8 are engaged with the teeth of the test gear 303, at this time, the worker starts the hydraulic cylinder 11 by using the control button 20, and drives the fixing disc 13, the second connecting rod 15, the rotating disc 16 and the annular sleeve 17 downward by using the hydraulic telescopic rod 12, until the annular sleeve 17 contacts with the upper surface of the gear sample 8, then the worker starts the driving motor 302 by using the control button 20, drives the rotating rod 301 and the test gear 303 to rotate by using the driving motor 302, and drives the gear sample 8 to rotate rapidly by using the engagement force of the test gear 303 and the gear sample 8, so that the fatigue test operation of the gear sample 8 can be carried out, and the above is the whole operation process of the device.

[0027] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended to encompass all changes falling within the meaning and range of equivalents of the elements of the claims. Any reference signs in the claims should not be considered as limiting the claims involved.

[0028] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and the skilled person should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that can be understood by the skilled person.

Claims

1. A gear fatigue testing device for high-speed precision gears, characterized in that: The system includes a workbench (1), inside which a first rotating bearing (2) is embedded, and inside which a driving test mechanism (3) is connected, and on the upper surface of the workbench (1) a second rotating bearing (4), the inner ring of the second rotating bearing (4) is connected to a first connecting rod (5), the top end of the first connecting rod (5) is connected to a placement plate (6), the upper surface of the placement plate (6) is connected to a fixing column (7), the outer surface of the fixing column (7) is fitted with a gear sample (8), and the upper surface of the workbench (1) is connected to a vertical plate (9). The upper surface of the upright plate (9) is connected to a top plate (10). A hydraulic cylinder (11) is installed inside the top plate (10). The output end of the hydraulic cylinder (11) is connected to a hydraulic telescopic rod (12). The bottom end of the hydraulic telescopic rod (12) is connected to a fixed plate (13). The bottom surface of the fixed plate (13) is inlaid with a third rotating bearing (14). The inner ring of the third rotating bearing (14) is connected to a second connecting rod (15). The bottom end of the second connecting rod (15) is connected to a rotating disk (16). The bottom surface of the rotating disk (16) is connected to an annular sleeve (17).

2. The gear fatigue testing equipment for high-speed precision gears according to claim 1, characterized in that: The drive test mechanism (3) includes a rotating rod (301), the outer surface of which is connected to the inner ring of the first rotating bearing (2), a drive motor (302) is installed at the bottom end of the rotating rod (301), and a test gear (303) is connected to the outer surface of the rotating rod (301).

3. The gear fatigue testing equipment for high-speed precision gears according to claim 1, characterized in that: The bottom surface of the workbench (1) is connected to two sets of support legs (18), and the front surface of the upright plate (9) is connected to a triangular plate (19). The upper surface of the triangular plate (19) is connected to the bottom surface of the top plate (10).

4. The gear fatigue testing equipment for high-speed precision gears according to claim 1, characterized in that: The workbench (1) has a control button (20) installed on its front side, and a tool storage box (21) is placed below the workbench (1).

5. The gear fatigue testing equipment for high-speed precision gears according to claim 1, characterized in that: The bottom surface of the workbench (1) is connected to an L-shaped connecting frame (22), and the upper surface of the L-shaped connecting frame (22) is connected to the bottom surface of the drive motor (302).

6. The gear fatigue testing equipment for high-speed precision gears according to claim 1, characterized in that: The upper surface of the workbench (1) is provided with an annular groove (23), and a set of positioning rods (24) are slidably connected inside the annular groove (23). The top of each positioning rod (24) is connected to the bottom surface of the placement tray (6).

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