CN218885430U

CN218885430U - Reduction box aging test frame

Info

Publication number: CN218885430U
Application number: CN202222325352.7U
Authority: CN
Inventors: 程正军; 黄晓斌; 张宁
Original assignee: Dongguan Tianfu Motor Technology Co ltd
Current assignee: Guangdong Tianfu Motor Technology Co.,Ltd.
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2023-04-18
Anticipated expiration: 2032-09-02

Abstract

The utility model relates to a reduction box aging test frame, which comprises a frame, wherein a fixed connecting plate is arranged on the frame; the reduction gearbox fixing plate is arranged on the fixed connecting plate and is connected with a roller assembly; the rocker arm block is hinged on the fixed connecting plate, one end of the rocker arm block is provided with a driving connecting plate which is in rolling contact with the roller assembly, and the other end of the rocker arm block is detachably connected with a connecting rod; and a balancing weight detachably connected to the connecting rod; above-mentioned test jig through being equipped with wheel components, rocking arm and balancing weight, the reducing gear box meets with wheel components and can accomplish the test connection with this test jig, need not to carry out the rigid connection through the flange like current reducing gear box test fixture, and this test jig assembly efficiency is high, and the cost of manufacture is low, is applicable to the quick test of micro motor reducing gear box.

Description

Reduction box aging test frame

Technical Field

The utility model relates to a reducing gear box testing arrangement technical field especially relates to a reducing gear box aging testing frame.

Background

When a miniature motor reduction box is developed and produced, quantitative data needs to be provided for the reliable running time of a gear, a bearing, lubricating oil, a shaft and a motor of the designed or produced reduction box, a load test bed which can continuously provide a fixed load needs to be used, time measurement is carried out in a matched mode, and a reasonable and scientific verification result is provided for the running reliability of the miniature motor reduction box.

The prior testing device for the reduction gearbox, such as the Chinese utility model patent with the publication number of CN201822254662.8 named as an RV reducer full life cycle precision degradation testing device, is provided with a mounting bracket, a servo motor and an RV reducer to be tested are fixed on the mounting bracket, and the output end of the servo motor is connected with the input end of the RV reducer; a bearing seat support is further fixed on the flat plate, a left vertical plate and a right vertical plate are arranged on the bearing seat support, a bearing assembly and an encoder are mounted on the left vertical plate, an output flange is arranged on one side, close to the RV reducer, of the left vertical plate, and the output flange can be in fixed transmission after being in contact with the RV reducer; the right vertical plate is provided with a loading shaft through a bearing assembly, an output flange shaft passes through the bearing assembly and an inner hole of the encoder and then is connected with one end of the loading shaft through a coupler, the other end of the loading shaft is connected with a loading rod with a balance weight, the gearbox and the loading rod need to be connected in a hard mode, a plurality of accessories are arranged between the connection, the manufacturing cost is high, and the miniature motor speed reduction box is not suitable for being used; and the rotation running condition of the output end of the reduction box cannot be observed after the hard connection. Therefore, improvements are needed.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model provides a reducing gear box aging testing frame.

In order to realize the utility model discloses a purpose, the utility model discloses a following technical scheme:

a reduction box aging test frame comprises

The device comprises a rack, wherein a fixed connecting plate is arranged on the rack;

the reduction gearbox fixing plate is arranged on the fixed connecting plate and is connected with a roller assembly;

the rocker arm block is hinged on the fixed connecting plate, one end of the rocker arm block is provided with a driving connecting plate which is in rolling contact with the roller assembly, and the other end of the rocker arm block is detachably connected with a connecting rod;

and the balancing weight is detachably connected to the connecting rod.

Furthermore, locking holes for locking the reduction gearbox are arranged at four corners of the reduction gearbox fixing plate, and clearance holes for the output end of the reduction gearbox to penetrate through are arranged in the middle of the reduction gearbox fixing plate.

Further, the roller assembly comprises a cam and a contact roller; the cam is provided with an output connecting hole which is used for being connected with the output end of the reduction gearbox; the contact roller is hinged with the cam.

Furthermore, the rocker arm block is hinged with the fixed connecting plate through a hinge assembly; the hinge assembly comprises a fixed screw and a bearing; the fixed screw is inserted into the fixed connecting plate, and the head end and the tail end of the fixed screw are provided with nuts; two bearings are arranged and are sleeved on the fixed screw at intervals; the rocker arm block is connected between the two bearings.

Further, the top end face of the driving connecting plate is an arc face.

Furthermore, the counterweight block is provided with an installation through hole matched with the connecting rod; the mounting through hole is communicated with a locking through hole towards one radial side of the balancing weight.

The beneficial effects of the utility model reside in that:

according to the test jig, the roller component, the rocker arm and the balancing weight are arranged, the reduction gearbox is connected with the roller component, the test connection with the test jig can be completed, the test jig does not need to be in hard connection through a flange like the conventional reduction gearbox test tool, the assembly efficiency is high, the manufacturing cost is low, and the test jig is suitable for the rapid test of the reduction gearbox of the miniature motor; and the rotation running condition of the output end of the reduction gearbox can be observed through the connection, whether the output end shakes or not is observed, and the internal assembly correctness of the reduction gearbox is judged.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a reduction box fixing plate of the present invention;

FIG. 3 is a schematic structural view of the fixed connecting plate and the hinge assembly of the present invention;

FIG. 4 is a schematic overall sectional structure of the present invention;

fig. 5 is a schematic diagram of the movement track of the present invention during operation.

1. Testing the reduction gearbox; 2. a motor; 10. a frame; 11. fixing the connecting plate; 20. a reduction gearbox fixing plate; 20A, a locking hole; 20B, clearance holes; 21. a roller assembly; 21A, a cam; 21B, a contact roller; 21C, an output connecting hole; 30. a rocker arm block; 31. a drive connection plate; 32. a connecting rod; 33. fixing the screw rod; 34. a bearing; 35. a nut; 40. a counterweight block; 41. mounting a through hole; 42. and locking the through hole.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

As shown in figures 1-5 of the drawings,

a reduction gearbox aging test frame comprises a frame 10, a reduction gearbox fixing plate 20, a rocker arm block 30 and a balancing weight 40;

the rack 10 provides an integral bearing function, and a fixed connecting plate 11 is arranged on the rack 10;

the reduction gearbox fixing plate 20 is arranged on the fixing connecting plate 11 and used for assembling a reduction gearbox to be tested; the reduction gearbox fixing plate 20 is connected with a roller assembly 21, and the roller assembly 21 is used for providing a transmission effect between the reduction gearbox and the test frame; in this embodiment, the four corners of the gearbox fixing plate 20 are provided with locking holes 20A for locking the gearbox, the middle part is provided with clearance holes 20B for the output end of the gearbox to pass through, and the output end of the gearbox passes through the clearance holes 20B to be connected with the roller assembly 21; the roller assembly 21 comprises a cam 21A and a contact roller 21B; the cam 21A is provided with an output connecting hole 21C which is used for being connected with the output end of the reduction gearbox; the contact roller 21B is hinged with the cam 21A;

the rocker arm block 30 is hinged on the fixed connecting plate 11, one end of the rocker arm block 30 is provided with a driving connecting plate 31 which is in rolling contact with the roller assembly 21, and the other end of the rocker arm block is detachably connected with a connecting rod 32; in this embodiment, the rocker arm block 30 is hinged to the fixed connecting plate 11 through a hinge assembly; the hinge assembly comprises a fixed screw 33 and a bearing 34; the fixed screw 33 is inserted into the fixed connecting plate 11, and the head end and the tail end of the fixed screw are provided with nuts 35; two bearings 34 are arranged and sleeved on the fixed screw 33 at intervals; the rocker arm block 30 is connected between the two bearings 34; the top end surface of the driving connecting plate 31 is an arc surface and can be in tangent connection with the arc surface of the roller assembly 21, so that the continuity of connection is ensured;

the counterweight block 40 is detachably connected to the connecting rod 32, and provides a reduction gearbox load through the transmission of the connecting rod 32; in this embodiment, the weight block 40 is provided with a mounting through hole 41 engaged with the connecting rod 32; the mounting through hole 41 is communicated with a locking through hole 42 towards one radial side of the balancing weight 40, and the size of the load force can be adjusted by adjusting the position of the balancing weight 40 on the connecting rod 32; after adjustment, the weight 40 is locked by inserting a locking member into the locking through hole 42.

The working principle is as follows: the hinge point of the rocker arm block 30 and the fixed connecting plate 11 in the test frame is used as a rotation center, one end of the rocker arm block 30 is connected with a balancing weight 40, and the other end of the rocker arm block is in tangent connection with the cambered surface of the roller assembly 21 through a driving connecting plate 31 of which the top end surface is a cambered surface; because the balancing weight 40 has weight, in a silent state, one end of the rocker arm block 30 with the balancing weight 40 will descend, and the other end will tilt and contact with the roller assembly 21; the reduction gearbox 1 to be tested is assembled to the reduction gearbox fixing plate 20 and can start load testing after being connected with the roller assembly 21; after the motor 2 connected with the reduction gearbox is started, the reduction gearbox can drive the roller assembly 21 to rotate, the rocker arm can provide load for the reduction gearbox while rotating, the rocker arm can swing repeatedly, an effective load is formed, and a guarantee is provided for stability of testing.

According to the test jig, the roller assembly 21, the rocker arm and the balancing weight 40 are arranged, the reduction gearbox is connected with the roller assembly 21, the test connection with the test jig can be completed, the hard connection through a flange is not needed like the existing reduction gearbox test tool, the assembly efficiency is high, the manufacturing cost is low, and the test jig is suitable for the rapid test of the reduction gearbox of the miniature motor; and the rotating operation condition of the output end of the reduction gearbox can be observed through the connection, whether the output end shakes or not is observed, and the accuracy of the internal assembly of the reduction gearbox is judged.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a reducing gear box aging testing frame which characterized in that includes:

and a balancing weight detachably connected to the connecting rod.

2. The aging test jig for the reduction gearbox as claimed in claim 1, wherein locking holes for locking the reduction gearbox are arranged at four corners of the reduction gearbox fixing plate, and clearance holes for the output end of the reduction gearbox to pass through are arranged at the middle part of the reduction gearbox fixing plate.

3. The reduction gearbox aging test jig of claim 1, wherein the roller assembly comprises a cam and a contact roller; the cam is provided with an output connecting hole used for being connected with the output end of the reduction gearbox; the contact roller is hinged with the cam.

4. The reduction gearbox aging test jig of claim 1, wherein the rocker arm block is hinged to the fixed connecting plate through a hinge assembly; the hinge assembly comprises a fixed screw and a bearing; the fixed screw is inserted into the fixed connecting plate, and the head end and the tail end of the fixed screw are provided with nuts; two bearings are arranged and are sleeved on the fixed screw at intervals; the rocker arm block is connected between the two bearings.

5. The reduction gearbox aging test jig of claim 1, wherein the top end surface of the drive connection plate is a circular arc surface.

6. The reduction gearbox aging test jig of claim 1, wherein the counterweight block is provided with a mounting through hole which is matched with the connecting rod; the mounting through hole is communicated with a locking through hole towards one radial side of the balancing weight.