CN221299991U

CN221299991U - Driving device of RV speed reducer

Info

Publication number: CN221299991U
Application number: CN202323256011.XU
Authority: CN
Inventors: 张凯; 崔国起; 黄亚楠
Original assignee: Hebei Zhikun Precision Transmission Technology Co ltd
Current assignee: Hebei Zhikun Precision Transmission Technology Co ltd
Priority date: 2023-11-30
Filing date: 2023-11-30
Publication date: 2024-07-09
Anticipated expiration: 2033-11-30

Abstract

The utility model provides a driving device of an RV reducer, which comprises a base, wherein a through hole is formed in the base, a rotating shaft is sleeved in the through hole and can move up and down along the through hole, a gear shaft capable of being connected with the RV reducer is arranged at the lower end of the rotating shaft, a driving wheel is sleeved in a gap in the rotating shaft and is connected with a power part to drive the driving wheel to rotate, a connecting mechanism A is arranged on the driving wheel, a fixing ring is fixed on the rotating shaft on the opposite side of the connecting mechanism A, and a connecting mechanism B corresponding to the connecting mechanism A is arranged on the fixing ring. The device drives the RV reducer through a common motor, so that a lifting motor is omitted, and the device is simple in structure and low in cost; meanwhile, the rotation precision of the input gear shaft can be guaranteed through the machining precision of the bearing seat and the rotating shaft, and the structure is stable and reliable.

Description

Driving device of RV speed reducer

Technical Field

The utility model mainly relates to a driving device of an RV reducer, and particularly provides a driving device of an RV reducer.

Background

After RV speed reducer assembly is accomplished, need carry out noise and vibration detection on professional check out test set, these professional check out test set adopts servo motor to provide power for RV speed reducer usually, and its servo motor is installed on a lift platform usually, and this lift platform then needs to drive through another servo motor, and whole device structure is complicated, with high costs.

Disclosure of utility model

Aiming at the defects and shortcomings of the prior art, the embodiment of the utility model provides a driving device of an RV reducer, which has a simple structure and is stable and reliable. The technical scheme is as follows:

The utility model provides a driving device of an RV reducer, which comprises a base, wherein a through hole is formed in the base, a rotating shaft is sleeved in the through hole and can move up and down along the through hole, a gear shaft capable of being connected with the RV reducer is arranged at the lower end of the rotating shaft, a driving wheel is sleeved in a gap in the rotating shaft and is connected with a power part to drive the driving wheel to rotate, a connecting mechanism A is arranged on the driving wheel, a fixed ring is fixed on the rotating shaft at the opposite side of the connecting mechanism A, and a connecting mechanism B corresponding to the connecting mechanism A is arranged on the fixed ring;

When the rotating shaft moves downwards, the connecting mechanism B on the fixed ring is connected with the connecting mechanism A on the driving wheel, so that the rotating shaft is driven to rotate through the driving wheel;

when the rotating shaft moves upwards, the connecting mechanism B on the fixed ring is separated from the connecting mechanism A on the driving wheel, and the rotating shaft loses rotary power.

As a preferable mode of the above technical solution, the connecting mechanism a is two pins, and the connecting mechanism B is two notches opposite to the two pins.

Preferably, the rotating shaft is connected with a driving handle to drive the rotating shaft to move up and down.

As the optimization of the technical scheme, the driving handle is hinged with the supporting rod arranged on the base through the connecting rod, and the middle part of the connecting rod is connected with the upper end of the rotating shaft.

Preferably, in the above technical solution, the through hole is connected to the rotating shaft through a first bearing.

Preferably, in the above technical solution, the first bearing is fixed in the through hole of the base through a bearing seat.

Preferably, in the above aspect, the first bearing is a needle bearing.

Preferably, the driving wheel is connected to the bearing seat through a second bearing.

Preferably, in the above technical solution, the second bearing is a deep groove ball bearing.

Preferably, the driving wheel is a belt wheel, the power part is a motor, and the motor is in transmission connection with the belt wheel.

The utility model provides a driving device of an RV reducer, which drives the RV reducer through a common motor, omits a lifting motor, and has the advantages of simple structure and low cost; meanwhile, the rotation precision of the input gear shaft can be guaranteed through the machining precision of the bearing seat and the rotating shaft, and the structure is stable and reliable.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a driving device of an RV reducer provided in an embodiment of the present utility model;

FIG. 2 is a schematic view of a retaining ring according to an embodiment of the present utility model;

Fig. 3 is a top view of fig. 2.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the embodiments of the present utility model will be described in further detail with reference to the accompanying drawings.

The utility model provides a driving device of an RV reducer, which comprises a base 4, wherein a through hole is formed in the base, a rotating shaft 21 is sleeved in the through hole, the rotating shaft 21 can move up and down along the through hole, the through hole is connected with the rotating shaft 21 through a first bearing, and the first bearing is a needle bearing 19. Specifically, the first bearing is fixed in the through hole of the base through a bearing seat 20, the upper part of the bearing seat 20 is fixed with the base 4 through a connecting screw 2, and the lower part of the bearing seat 20 is fixed with a connecting screw 3 through an end cover 22.

The lower end of the rotating shaft 21 is provided with a gear shaft 25 which can be connected with the RV reducer, and the gear shaft 25 is connected with the rotating shaft 21 through a connecting screw 4 and a set screw 24.

The driving wheel 16 is sleeved on the rotating shaft 21 in a clearance way, the driving wheel 16 is connected with the power part to drive the driving wheel to rotate, the driving wheel is a small belt wheel, the power part is a motor 1, and the motor 1 is in transmission connection with the small belt wheel through the large belt wheel 2 and the belt 3. The driving wheel 16 is connected to a bearing block 20 via a second bearing 17, which is a deep groove ball bearing.

A connecting mechanism A is arranged on the driving wheel 16, a fixed ring 14 is fixed on a rotating shaft on the opposite side of the connecting mechanism A, and a connecting mechanism B corresponding to the connecting mechanism A is arranged on the fixed ring 14;

When the rotating shaft moves upwards, the connecting mechanism B on the fixed ring is separated from the connecting mechanism A on the driving wheel, and the rotating shaft loses rotary power;

The connecting mechanism A can be two pins 15, and the connecting mechanism B is two notches 14-1 opposite to the two pins.

The rotating shaft 21 is connected with the driving handle 13 to drive the rotating shaft 21 to move up and down. Specifically, the driving handle 13 is articulated to be set up the bracing piece on the base through connecting rod 12, set up articulated seat 5 on the bracing piece, articulated seat 5 is fixed through fixation nut 6, connecting rod 12 middle part is connected with pivot 21 upper end through the connecting hole, pivot 21 upper end is provided with angular contact bearing frame 7, set up angular contact bearing 10 in the angular contact bearing frame 7, angular contact bearing frame 7 passes through gasket 11, and hole retaining ring 8, connecting screw 19 are fixed.

When in use, the handle rod 13 descends to drive the fixed ring 14 to descend, and the notch of the fixed ring 14 is meshed with the cylindrical pin 15 on the small belt wheel 16, so that the rotating shaft 21 is driven to rotate. The handle 13 is lifted to drive the handle 14 to lift, the notch of the fixed ring 14 is separated from the cylindrical pin 15 on the small belt wheel 16, and the rotating power of the rotating shaft 21 is lost. The rotating shaft 21 can rotate and also can move along the axial direction to drive the gear shaft 25 to lift, so that the functional requirement is met.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The driving device of the RV reducer comprises a base and is characterized in that a through hole is formed in the base, a rotating shaft is sleeved in the through hole and can move up and down along the through hole, a gear shaft capable of being connected with the RV reducer is arranged at the lower end of the rotating shaft, a driving wheel is sleeved in a gap in the rotating shaft and is connected with a power part to drive the driving wheel to rotate, a connecting mechanism A is arranged on the driving wheel, a fixed ring is fixed on the rotating shaft on the opposite side of the connecting mechanism A, and a connecting mechanism B corresponding to the connecting mechanism A is arranged on the fixed ring;

2. The RV of claim 1 wherein the connecting means a is two pins and the connecting means B is two notches opposite the two pins.

3. The RV decelerator driving device of claim 1, wherein the rotation shaft is connected to a driving handle to drive the rotation shaft to move up and down.

4. The driving device of the RV decelerator according to claim 3, wherein the driving handle is hinged to a supporting rod provided on the base through a connecting rod, and the middle part of the connecting rod is connected with the upper end of the rotating shaft.

5. The RV decelerator driving device of claim 1, wherein the through hole is connected to the rotation shaft through a first bearing.

6. The RV decelerator driving device of claim 5, wherein the first bearing is fixed in the through hole of the base through a bearing housing.

7. The RV retarder driver of claim 5 or 6, wherein said first bearing is a needle bearing.

8. The RV of claim 6 wherein the drive wheel is coupled to a bearing housing via a second bearing.

9. The RV of claim 8 wherein the second bearing is a deep groove ball bearing.

10. The RV retarder driver of claim 1, wherein the drive wheel is 7 and the power section is a motor drivingly connected to a pulley.