Testing device of planetary reducer

Abstract

The utility model discloses a testing device for a planetary reducer, and relates to the technical field of planetary reducers, the lower end of a device support is fixedly connected with a second cylinder, the lower end of the second cylinder is fixedly connected with a vibration sensor, the lower end of the device support is fixedly connected with a fixed seat, and the surface of the fixed seat is provided with a working groove. Second bearings are fixedly connected to the two ends of the working groove, second lead screws are fixedly connected to inner rings of the second bearings, movable rods are in threaded connection with the surfaces of the second lead screws, third gears are fixedly connected to one ends of the second lead screws, second motors are fixedly connected to the upper ends of the device supports, and fourth gears are fixedly connected to the output ends of the second motors; during use, the vibration sensor is driven by the second air cylinder to be tightly attached to the planetary reducer so as to detect whether vibration of the planetary reducer is qualified or not, the distance between the noise detector and the planetary reducer is adjusted by driving the movable rod through the second motor, and the planetary reducer can be better tested. And the test effect is improved.

Description

Technical Field

[0001] The utility model belongs to the field of planetary reducers, in particular to a testing device for planetary reducers. Background Art

[0002] At present, in the field of reducer equipment, planetary reducers are widely used in servo motors, stepper motors and other transmission systems due to their small size, high transmission efficiency, wide reduction range, high precision and many other advantages. The main transmission structure of the planetary gear reducer is: planetary gear, sun gear, inner ring gear, planet carrier. The planetary reducer is a widely used industrial product that can reduce the speed of the motor and increase the output torque. Planetary reducers can be used as supporting components in lifting, excavation, transportation, construction and other industries. During the design and manufacturing process of the reducer, the reducer needs to be tested for noise, vibration and other tests in order to verify the reliability and related performance of the reducer.

[0003] 1. When testing a planetary reducer, the existing planetary reducer testing device needs to place the planetary reducer on a workbench for vibration and noise detection, and then place another one after the test, which affects the detection efficiency of the detection device;

[0004] 2. When the existing planetary reducer testing device detects planetary reducers of different sizes, the noise cannot be tested well because the noise detector is at different distances from the planetary reducer, which affects the use effect. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] A testing device for a planetary reducer comprises a device bracket and a first connecting seat, the lower end of the device bracket is fixedly connected to a support rod, the first connecting seat is fixedly connected to the lower end of the device bracket and is located at the center of the device bracket, the upper end of the device bracket is provided with a progressive mechanism, the device bracket is connected to a cross plate through the progressive mechanism, a discharge port is opened on the side of the device bracket, the lower end of the device bracket is fixedly connected to a second cylinder, the lower end of the second cylinder is fixedly connected to a vibration sensor, the lower end of the device bracket is fixedly connected to a fixed seat, an adjustment mechanism is provided on the side of the fixed seat, and the fixed seat is connected to a noise detector through the adjustment mechanism.

[0008] Preferably, the progressive mechanism includes a first bearing, which is fixedly connected to the upper and lower ends of the device bracket, the inner ring of the first bearing is fixedly connected to a rotating rod, the side of the rotating rod is fixedly connected to a first gear, the lower end of the first connecting seat is fixedly connected to a stepper motor, the output end of the stepper motor is fixedly connected to a second gear, the first gear is meshingly connected to the second gear, and the upper end of the device bracket is fixedly connected to a plane bearing.

[0009] Preferably, a cross plate is fixedly connected to the upper end of the plane bearing, and the rotating rod tube transmission plane bearing is fixedly connected to the cross plate.

[0010] Preferably, the end of the cross plate is fixedly connected to a second connecting seat, both sides of the second connecting seat are fixedly connected to a first cylinder, and the output end of the first cylinder is fixedly connected to a clamping plate.

[0011] Preferably, the adjustment mechanism includes a working groove, the working groove is opened on the surface of the fixed seat, the two ends of the working groove are fixedly connected to the second bearing, the inner ring of the second bearing is fixedly connected to the screw rod, the surface of the second screw rod is threadedly connected to the movable rod, one end of the screw rod is fixedly connected to the third gear, the upper end of the device bracket is fixedly connected to the servo motor, the output end of the servo motor is fixedly connected to the fourth gear, and the third gear is meshingly connected to the fourth gear.

[0012] Preferably, a third cylinder, a fourth cylinder and a fifth cylinder are arranged on the side of the fixing seat, and the sides of the third cylinder, the fourth cylinder and the fifth cylinder are fixedly connected with a push plate.

[0013] Preferably, baffles are fixedly connected to both sides of the inclined plate, and inclined plates are fixedly connected to the lower end surface of the device bracket at positions corresponding to the third cylinder, the fourth cylinder and the fifth cylinder.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] (1) When in use, the stepper motor drives the cross plate to rotate on the plane bearing, and the planetary reducer can be tested for vibration and noise in turn. When the planetary reducer is undergoing noise testing, the next planetary reducer with testing can be placed on the second connecting seat through the discharge port, so as to improve the working efficiency of the device. The detected planetary reducer is pushed onto the corresponding inclined plate for easy classification and processing.

[0016] (2) When in use, the servo motor drives the screw to rotate, and the screw drives the movable rod to adjust the distance between the noise detector and the planetary reducer, so that it can better test planetary reducers of different sizes and improve the test effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a partial cross-sectional view of the utility model;

[0019] Figure 3 This is a side view of the structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the structure of the utility model from top view.

[0021] In the figure: 1. device bracket; 2. support rod; 3. first connecting seat; 4. first bearing; 5. rotating rod; 6. first gear; 7. stepping motor; 8. second gear; 9. plane bearing; 10. cross plate; 11. second connecting seat; 12. first cylinder; 13. clamping plate; 14. inclined plate; 15. discharge port; 16. second cylinder; 17. vibration sensor; 18. fixed seat; 19. working groove; 20. second bearing; 21. screw rod; 22. movable rod; 23. noise detector; 24. third gear; 25. servo motor; 26. fourth gear; 27. third cylinder; 28. fourth cylinder; 29. ​​fifth cylinder; 30. push plate. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0024] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments. The present invention provides the following embodiments.

[0025] like Figure 1-2As shown, it is a schematic structural diagram of a planetary reducer test device of a preferred embodiment of the utility model. A planetary reducer test device of this embodiment includes a device bracket 1 and a first connecting seat 3. The lower end of the device bracket 1 is fixedly connected to a support rod 2. The first connecting seat 3 is fixedly connected to the lower end of the device bracket 1 and is located at the center of the device bracket 1. The first bearing 4 is fixedly arranged at the upper and lower ends of the first connecting seat 3. The inner ring of the first bearing 4 is fixedly connected to a rotating rod 5. The side of the rotating rod 5 is fixedly connected to a first gear 6. The lower end of the first connecting seat 3 is fixedly connected to a stepper motor 7. The output end of the stepper motor 7 is fixedly connected to a second gear 8. The first gear 6 is meshed with the second gear 8. The upper end of the device bracket 1 is fixedly connected to a plane bearing 9. The plane shaft A cross plate 10 is fixedly connected to the upper end of the bearing 9, the rotating rod 5 passes through the plane bearing 9 and is fixedly connected to the cross plate 10, the end of the cross plate 10 is fixedly connected to the second connecting seat 11, the first cylinder 12 is fixedly connected to both sides of the second connecting seat 11, and the output end of the first cylinder 12 is fixedly connected to a clamping plate 13. In this embodiment, the support rod 2 supports the entire device, the first bearing 4 is used to reduce the friction resistance encountered by the rotating rod 5 when it rotates, and the first cylinder 12 drives the clamping plate 13 to clamp the planetary reducer to prevent the planetary reducer from detaching from the cross plate 10 when the cross plate 10 rotates. The cross plate 10 is driven by the stepping motor 7 to rotate 90 degrees, and the cross plate 10 is fixed in the vertical direction by the plane bearing 9 while maintaining the horizontal rotation.

[0026] like Figure 3 As shown, it is a schematic diagram of the side structure in this embodiment, the lower end of the device bracket 1 is fixedly connected to the second cylinder 16, the lower end of the second cylinder 16 is fixedly connected to the vibration sensor 17, the lower end of the device bracket 1 is fixedly connected to the fixing seat 18, the surface of the fixing seat 18 is provided with a working groove 19, the two ends of the working groove 19 are fixedly connected to the second bearing 20, the inner ring of the second bearing 20 is fixedly connected to the screw rod 21, the surface of the screw rod 21 is threadedly connected to the movable rod 22, one end of the screw rod 21 is fixedly connected to the third gear 24, the upper end of the device bracket 1 is fixedly connected to the servo motor 25, the output end of the servo motor 25 is fixedly connected to the fourth gear 26, the third gear 24 is meshed with the fourth gear 26, in this embodiment, the vibration sensor 17 is driven by the second cylinder 16 to approach the planetary reducer, so as to detect the vibration of the planetary reducer, the screw rod 21 is threadedly connected to the movable rod 22, so that the movable rod 22 is driven to rotate by rotating the screw rod 21, and the movable rod 22 is driven to move by the servo motor 25, so as to adjust the distance of the noise detector 23.

[0027] like Figure 4As shown, it is a schematic diagram of the top structure in this embodiment, a third cylinder 27, a fourth cylinder 28 and a fifth cylinder 29 are fixedly arranged on the side of the fixed seat 18, and the sides of the third cylinder 27, the fourth cylinder 28 and the fifth cylinder 29 are fixedly connected with a push plate 30, and the lower end surface of the device bracket 1 and the positions corresponding to the third cylinder 27, the fourth cylinder 28 and the fifth cylinder 29 are fixedly connected with an inclined plate 14, and a discharge port 15 is opened on the side of the device bracket 1. In this example, the planetary reducer with unqualified vibration is pushed down by the third cylinder 27, the planetary reducer with unqualified noise is pushed down by the fourth cylinder 28, and the planetary reducer with qualified noise, vibration and noise is pushed down by the fifth cylinder 29. The pushed-down planetary reducers are classified and processed by the inclined plate 14, and a baffle is provided on the inclined plate 14 to prevent the planetary reducer from detaching from the inclined plate 14.

[0028] In summary, the specific use of this embodiment is as follows: when in use, the planetary reducer to be tested is placed on the second connecting seat 11 from the discharge port 15, and the stepper motor 7 and the first cylinder 12 are started. When the stepper motor 7 drives the cross plate 10 to rotate, the first cylinder 12 clamps the planetary reducer to prevent the planetary reducer from falling off the cross plate 10 when the cross plate 10 rotates. When the stepper motor 7 stops rotating, the first cylinder 12 drives the clamping plate 13 to loosen the planetary reducer, and the second cylinder 16 and the servo motor 25 are started. The second cylinder 16 drives The vibration sensor 17 is close to the planetary reducer. When the vibration of the planetary detection machine is unqualified, the third cylinder 27 is started to drive the push plate 30 to push down the planetary reducer. The servo motor 25 drives the movable rod 22 to adjust the distance of the noise detector 23. When the noise of the planetary detection machine is unqualified, the fourth cylinder 28 is started to drive the push plate 30 to push down the planetary reducer. When the noise and vibration of the planetary reducer are qualified, it will be pushed down by the fifth cylinder 29. The pushed down planetary reducer slides into the classification area of ​​the planetary reducer through the inclined plate 14 to facilitate the classification and processing of the planetary reducer.

[0029] The above content is a further detailed description of the utility model in combination with specific implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make several simple deductions or substitutions, which should be regarded as belonging to the scope of protection determined by the claims submitted for the utility model.

Claims

1. A testing device for a planetary reducer, comprising a device bracket (1) and a first connecting seat (3), wherein a support rod (2) is fixedly connected to the lower end of the device bracket (1), and characterized in that: The first connecting seat (3) is fixedly connected to the lower end of the device bracket (1) and is located at the center of the device bracket (1); a progressive mechanism is provided at the upper end of the device bracket (1); the device bracket (1) is connected to a cross plate (10) via the progressive mechanism; a discharge port (15) is provided on the side of the device bracket (1); a second cylinder (16) is fixedly connected to the lower end of the device bracket (1); a vibration sensor (17) is fixedly connected to the lower end of the second cylinder (16); a fixed seat (18) is fixedly connected to the lower end of the device bracket (1); an adjustment mechanism is provided on the side of the fixed seat (18); and the fixed seat (18) is connected to a noise detector (23) via the adjustment mechanism.

2. A planetary reducer testing device according to claim 1, characterized in that: The progressive mechanism comprises a first bearing (4), the first bearing (4) being fixedly connected to the upper and lower ends of the device bracket (1), the inner ring of the first bearing (4) being fixedly connected to a rotating rod (5), the side of the rotating rod (5) being fixedly connected to a first gear (6), the lower end of the first connecting seat (3) being fixedly connected to a stepping motor (7), the output end of the stepping motor (7) being fixedly connected to a second gear (8), the first gear (6) being meshingly connected to the second gear (8), and the upper end of the device bracket (1) being fixedly connected to a plane bearing (9).

3. The testing device for a planetary reducer according to claim 2, characterized in that: The upper end of the plane bearing (9) is fixedly connected with a cross plate (10), and the rotating rod (5) passes through the plane bearing (9) and is fixedly connected with the cross plate (10).

4. The testing device for a planetary reducer according to claim 1, characterized in that: The end of the cross plate (10) is fixedly connected to a second connection seat (11), both sides of the second connection seat (11) are fixedly connected to a first cylinder (12), and the output end of the first cylinder (12) is fixedly connected to a clamping plate (13).

5. The testing device for a planetary reducer according to claim 1, characterized in that: The adjusting mechanism comprises a working groove (19), wherein the working groove (19) is provided on the surface of the fixing seat (18), and the two ends of the working groove (19) are fixedly connected with a second bearing (20), the inner ring of the second bearing (20) is fixedly connected with a screw rod (21), the surface of the screw rod (21) is threadedly connected with a movable rod (22), one end of the screw rod (21) is fixedly connected with a third gear (24), the upper end of the device bracket (1) is fixedly connected with a servo motor (25), the output end of the servo motor (25) is fixedly connected with a fourth gear (26), and the third gear (24) is meshingly connected with the fourth gear (26).

6. The testing device for a planetary reducer according to claim 1, characterized in that: A third cylinder (27), a fourth cylinder (28) and a fifth cylinder (29) are arranged on the side of the fixing seat (18), and a push plate (30) is fixedly connected to the side of the third cylinder (27), the fourth cylinder (28) and the fifth cylinder (29).

7. The testing device for a planetary reducer according to claim 6, characterized in that: An inclined plate (14) is fixedly connected to the lower end surface of the device bracket (1) and at positions corresponding to the third cylinder (27), the fourth cylinder (28) and the fifth cylinder (29), and baffles are fixedly connected to both sides of the inclined plate (14).

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