CN209977199U - Stepless reducing wheel - Google Patents
Stepless reducing wheel Download PDFInfo
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- CN209977199U CN209977199U CN201920845646.8U CN201920845646U CN209977199U CN 209977199 U CN209977199 U CN 209977199U CN 201920845646 U CN201920845646 U CN 201920845646U CN 209977199 U CN209977199 U CN 209977199U
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Abstract
The utility model relates to a stepless reducing wheel, which comprises a base wheel disc and a moving wheel arranged on the base wheel disc, wherein the center of the base wheel disc is provided with a shaft hole, a transmission shaft with two ends extending out and being hollow is fixed in the shaft hole, the front side of the base wheel disc is provided with a chute which is annularly and uniformly distributed and is used for installing the moving wheel, the chute is arranged along the radius direction of the base wheel disc and is communicated with the shaft hole, the lower part of the chute is a cavity, a rotating screw rod is arranged in the cavity, one end of the rotating screw rod is hinged on the base wheel disc, the other end of the rotating screw rod is hinged with the transmission shaft and extends into the inside of the transmission shaft, a slide block is screwed on the rotating screw rod, the center of the moving wheel is a wheel shaft, the wheel shaft passes through the chute and is connected with, the control is simple and stepless speed change can be realized.
Description
Technical Field
The utility model relates to a technical field of drive wheel, in particular to stepless reducing wheel.
Background
The stepless speed change in the prior art is mainly a CVT system applied to an automobile, and the CVT system mainly comprises basic components such as a driving wheel set, a driven wheel set, a metal belt and a hydraulic pump. The metal belt consists of two metal rings and several hundred metal sheets. The driving wheel set and the driven wheel set are composed of a movable disk and a fixed disk, a belt wheel on one side close to the oil cylinder can slide on the shaft, and the other side is fixed. The movable disc and the fixed disc are both conical surface structures, and the conical surfaces of the movable disc and the fixed disc form a V-shaped groove to be meshed with a V-shaped metal transmission belt. The power output by the output shaft of the engine is firstly transmitted to a driving wheel of the CVT, then transmitted to a driven wheel through a V-shaped transmission belt, and finally transmitted to wheels through a speed reducer and a differential mechanism to drive the automobile. The during operation is done axial displacement through action wheel and the movable disk from the driving wheel and is changed the action wheel, from the working radius of driving wheel conical surface and V type drive belt meshing, but the axial displacement volume of movable disk is adjusted the action wheel through control system as required by the driver, realize from driving wheel hydraulic pump hydro-cylinder pressure, because action wheel and the working radius from the driving wheel can realize continuous regulation, thereby stepless speed change has been realized, chinese utility model patent with application number 90214035.3 discloses a screw pump infinitely variable speed drive, this kind of speed change mechanism's control range is little, the control degree of difficulty is big, traditional gear drive structure control is simple but hardly realizes infinitely variable speed, but utilize gear drive to realize that the infinitely variable diameter wheel of wheel footpath change can realize infinitely variable speed, and control is simple.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a stepless reducing wheel.
The technical scheme of the utility model is that: a stepless diameter-changing wheel, which comprises a basic wheel disc and at least 4 movable wheels arranged on the basic wheel disc, the center of the base wheel disc is provided with a shaft hole, a hollow transmission shaft with two ends extending out is fixed in the shaft hole, the front surface of the base wheel disc is provided with sliding chutes which are uniformly distributed in an annular manner and are used for installing the movable wheels, the sliding chutes are arranged along the radius direction of the base wheel disc and are communicated with the shaft hole, a cavity is arranged below the sliding chute, a rotating screw rod is arranged in the cavity, one end of the rotating screw rod is hinged on the base wheel disc, the other end of the rotating screw rod is hinged with the transmission shaft and extends into the transmission shaft, a sliding block is screwed on the rotating screw rod, the center of the moving wheel is a wheel shaft, the wheel shaft penetrates through the sliding groove to be connected with the sliding block, the inside of transmission shaft is provided with unsettled reducing regulating spindle, the reducing regulating spindle with rotate the screw rod and pass through bevel gear cooperation transmission.
Preferably, the reducing regulating shaft passes through the bearing and supports the inside of transmission shaft, the one end of reducing regulating shaft is stretched out the transmission shaft just has linked firmly regulation bevel gear first, the other end is located the transmission shaft is interior just has linked firmly regulation bevel gear second, the one end that the rotation screw rod stretched into the transmission shaft link firmly with regulation bevel gear second complex screw bevel gear.
Preferably, the transmission shaft is connected with a transmission wheel, and the transmission wheel and the adjusting bevel gear A are respectively positioned at two ends of the transmission shaft.
Preferably, the moving wheel is a belt pulley, and the wheel shaft is fixedly connected with the sliding block.
Preferably, the moving wheel is a chain wheel, the wheel shaft is hinged to the sliding block, a swing rod located on one side of the center line of the sliding groove is further arranged on the base wheel disc, one end of the swing rod is hinged to the edge of the base wheel disc, the other end of the swing rod penetrates through the wheel shaft, and the wheel shaft is provided with a groove hole in clearance fit with the swing rod.
The number of the moving wheels is specifically set to 8.
The utility model has the advantages that:
the utility model discloses a reducing wheel becomes diameter regulating spindle and rotates the screw rod and adopt the bevel gear cooperation, and the transmission is stable and control is simple, rotates the screw rod and utilizes the position change of slider on the screw rod to change the position of removing the wheel to can change the transmission reducing of reducing wheel, and then can realize infinitely variable.
Drawings
Fig. 1 is one of the schematic plan views of the present invention;
fig. 2 is a second schematic plan view of the present invention;
FIG. 3 is a schematic cross-sectional view of the diameter-variable wheel shown in FIG. 1;
FIG. 4 is a schematic cross-sectional view of the diameter-variable wheel shown in FIG. 2;
FIG. 5 is a schematic view of the positions of the swing link and the wheel axle in FIG. 1;
FIG. 6 is a schematic view of the positions of the swing link and the wheel axle in FIG. 2;
in the figure: 1. the device comprises a base wheel disc, 1-1 sliding grooves, 1-2 oscillating bars, 2 transmission shafts, 2-1 transmission wheels, 2-2 synchronous gears A, 3 reducing adjusting shafts, 3-1 adjusting bevel gears A, 3-2 adjusting bevel gears B, 4 moving wheels, 4-1 wheel shafts, 5 transmission pieces, 6 rotating screws, 6-1 sliding blocks and 6-2 screw bevel gears.
Detailed Description
The specific implementation mode of the utility model is shown in figures 1-6:
a stepless diameter-changing wheel is disclosed, as shown in figure 1-4, comprising a base wheel disc 1 and a plurality of moving wheels 4 arranged on the base wheel disc 1, the diameter-changing wheel is driven by a driving medium 5 matched with the moving wheels 4, the center of the base wheel disc 1 is provided with a shaft hole, a hollow transmission shaft 2 with two extending ends is fixed in the shaft hole, the front side of the base wheel disc 1 is provided with chutes 1-1 which are uniformly distributed in a ring shape and are used for installing the moving wheels 4, the chutes 1-1 are arranged along the radius direction of the base wheel disc 1 and are communicated with the shaft hole, the lower part of the chute 1-1 is a cavity, a rotating screw 6 is arranged in the cavity, one end of the rotating screw 6 is hinged on the base wheel disc 1, the other end is hinged with the transmission shaft 2 and extends into the transmission shaft 2, a sliding block 6-1 is screwed on the rotating screw 6, the center of the moving wheels 4 is a wheel shaft 4, the reducing adjusting shaft 3 is supported inside the transmission shaft 2 through a bearing, one end of the reducing adjusting shaft 3 extends out of the transmission shaft 2 and is fixedly connected with an adjusting bevel gear A3-1, the other end of the reducing adjusting shaft is positioned in the transmission shaft 2 and is fixedly connected with an adjusting bevel gear B3-2, one end of the rotating screw 6 extending into the transmission shaft 2 is fixedly connected with a screw bevel gear 6-2 matched with the adjusting bevel gear B3-2, the transmission shaft 2 is connected with a driving wheel 2-1, and the driving wheel 2-1 and the adjusting bevel gear A3-1 are respectively positioned at two ends of the transmission shaft 2.
The movable wheels 4 in the reducing wheel are belt pulleys or chain wheels, the number of the movable wheels can be correspondingly set according to practical application, for example, the number of the movable wheels is 8 as shown in figures 1 and 2, the number of the movable wheels can be set to be 4, 5, 6 or 7 according to practical application, and the number of the movable wheels can be more according to practical application.
When the movable wheel 4 is a belt pulley, a wheel shaft 4-1 is fixedly connected with a sliding block 6-1, a transmission piece 5 for driving the reducing wheel is a transmission belt, the reducing process is that when the rotating speeds of the reducing adjusting shaft 3 and the transmission shaft 2 are the same, a screw bevel gear 6-2 on the rotating screw 6 and an adjusting bevel gear B3-2 on the reducing adjusting shaft 3 do not rotate relatively, the rotating screw 6 does not rotate, the positions of the movable wheel 4 and the sliding block 6-1 are unchanged, when the rotating speeds of the reducing adjusting shaft 3 and the transmission shaft 2 are different, the screw bevel gear 6-2 on the rotating screw 6 and the adjusting bevel gear B3-2 on the reducing adjusting shaft 3 do not rotate relatively, the rotating screw 6 rotates, the positions of the movable wheel 4 and the sliding block 6-1 are changed, the transmission reducing of the reducing wheel is further changed, and the movable wheel 4 does not.
When the movable wheel 4 is a chain wheel, the wheel shaft 4-1 is hinged with the sliding block 6-1, the base wheel disc 1 is also provided with a swing rod 1-2 positioned on one side of the central line of the sliding groove 1-1, one end of the swing rod 1-2 is hinged on the edge of the base wheel disc 1, the other end of the swing rod 1-2 penetrates through the wheel shaft 4-1, the wheel shaft 4-1 is provided with a slotted hole in clearance fit with the swing rod 1-2, the transmission piece 5 for transmission of the reducing wheel is a transmission chain, the reducing process is that the rotating speed of the reducing adjusting shaft 3 is the same as that of the transmission shaft 2, the screw bevel gear 6-2 on the rotating screw 6 and the adjusting bevel gear B3-2 on the reducing adjusting shaft 3 do not rotate relatively, the rotating screw 6 does not rotate, the positions of the movable wheel 4 and the sliding block 6-1 are not changed, and when the rotating speeds of the reducing adjusting shaft 3 and the transmission shaft 2 are During the process of diameter changing, as shown in fig. 5 and 6, the swing rod 1-2 rotates for a certain angle, the movable wheel 4 rotates slightly to compensate the position of the teeth of the chain wheel, so that the teeth of the chain wheel are matched with the tooth grooves of the transmission chain.
Claims (6)
1. The stepless diameter-changing wheel comprises a base wheel disc and is characterized in that: also comprises at least 4 movable wheels arranged on the basic wheel disc, the center of the basic wheel disc is provided with a shaft hole, a hollow transmission shaft with two ends extending out is fixed in the shaft hole, the front surface of the base wheel disc is provided with chutes which are annularly and uniformly distributed and are used for installing moving wheels, the sliding groove is arranged along the radius direction of the base wheel disc and is communicated with the shaft hole, a cavity is arranged below the sliding groove, a rotating screw is arranged in the cavity, one end of the rotating screw is hinged on the base wheel disc, the other end of the rotating screw is hinged with the transmission shaft and extends into the transmission shaft, a sliding block is screwed on the rotating screw rod, the center of the moving wheel is a wheel shaft, the wheel shaft penetrates through the sliding groove to be connected with the sliding block, the inside of transmission shaft is provided with unsettled reducing regulating spindle, the reducing regulating spindle with rotate the screw rod and pass through bevel gear cooperation transmission.
2. The infinitely variable diameter wheel of claim 1, wherein: the reducing regulating shaft passes through the bearing and supports the inside of transmission shaft, the one end of reducing regulating shaft is stretched out the transmission shaft just has linked firmly regulation bevel gear first, the other end is located in the transmission shaft just has linked firmly regulation bevel gear second, the one end that the rotation screw rod stretched into the transmission shaft link firmly with regulation bevel gear second complex screw bevel gear.
3. The infinitely variable diameter wheel of claim 2, wherein: the transmission shaft is connected with a transmission wheel, and the transmission wheel and the adjusting bevel gear A are respectively positioned at two ends of the transmission shaft.
4. The infinitely variable diameter wheel according to claim 1, 2 or 3, wherein: the movable wheel is a belt pulley, and the wheel shaft is fixedly connected with the sliding block.
5. The infinitely variable diameter wheel according to claim 1, 2 or 3, wherein: the movable wheel is a chain wheel, the wheel shaft is hinged with the sliding block, the base wheel disc is further provided with a swing rod located on one side of the center line of the sliding groove, one end of the swing rod is hinged to the edge of the base wheel disc, the other end of the swing rod penetrates through the wheel shaft, and the wheel shaft is provided with a groove hole in clearance fit with the swing rod.
6. The infinitely variable diameter wheel of claim 1, wherein: the number of the moving wheels is 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920845646.8U CN209977199U (en) | 2019-06-06 | 2019-06-06 | Stepless reducing wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920845646.8U CN209977199U (en) | 2019-06-06 | 2019-06-06 | Stepless reducing wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209977199U true CN209977199U (en) | 2020-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920845646.8U Active CN209977199U (en) | 2019-06-06 | 2019-06-06 | Stepless reducing wheel |
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|---|---|
| CN (1) | CN209977199U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111266668A (en) * | 2020-04-01 | 2020-06-12 | 兰州理工大学 | Translational mechanism capable of stepless adjusting gyration radius and gear machining device |
| CN112706058A (en) * | 2021-01-21 | 2021-04-27 | 深圳市兰月光实业有限公司 | Abrasive wheel cutting machine with chip flying prevention function |
-
2019
- 2019-06-06 CN CN201920845646.8U patent/CN209977199U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111266668A (en) * | 2020-04-01 | 2020-06-12 | 兰州理工大学 | Translational mechanism capable of stepless adjusting gyration radius and gear machining device |
| CN111266668B (en) * | 2020-04-01 | 2021-07-02 | 兰州理工大学 | Translational mechanism capable of stepless adjusting gyration radius and gear machining device |
| CN112706058A (en) * | 2021-01-21 | 2021-04-27 | 深圳市兰月光实业有限公司 | Abrasive wheel cutting machine with chip flying prevention function |
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