阅读说明：本技术 一种锥柱无极变速器 (Conical-column continuously variable transmission ) 是由 陈建军 于 2020-06-30 设计创作，主要内容包括：一种锥柱变速器,包括：变速器壳体、输入轴、输出轴、换挡推泵、锥柱a、锥柱b、推杆、推板、传动带、滑片齿轮a、滑片齿轮b；所述变速器壳体一端转动安装输入轴,所述变速器另一端转动安装输出轴；所述锥柱a固定安装在所述输入轴上；所述锥柱b固定安装在所述输出轴上；所述锥柱a上安装有所述滑片齿轮a,所述锥柱b上安装有所述滑片齿轮b；所述传动带套设在所述滑片齿轮a和滑片齿轮b上；通过换挡推泵带动推杆左右移动,使推杆带动推板左右移动,推板推动传动带移动,传动带带动滑片齿轮a和滑片齿轮b在锥柱a和锥柱b上移动,使滑片齿轮a和滑片齿轮b的直径连续的变化,由此能够使输入轴向输出轴传递的变速比连续地变化。(A cone column transmission comprising: the gear shifting device comprises a transmission shell, an input shaft, an output shaft, a gear shifting push pump, a conical column a, a conical column b, a push rod, a push plate, a transmission belt, a sliding sheet gear a and a sliding sheet gear b; one end of the transmission shell is rotatably provided with an input shaft, and the other end of the transmission is rotatably provided with an output shaft; the conical column a is fixedly arranged on the input shaft; the conical column b is fixedly arranged on the output shaft; the sliding sheet gear a is mounted on the conical column a, and the sliding sheet gear b is mounted on the conical column b; the transmission belt is sleeved on the sliding sheet gear a and the sliding sheet gear b; the push rod is driven to move left and right through the gear shifting push pump, the push rod is driven to move left and right, the push plate pushes the transmission belt to move, the transmission belt drives the sliding piece gear a and the sliding piece gear b to move on the conical column a and the conical column b, the diameters of the sliding piece gear a and the sliding piece gear b are continuously changed, and therefore the transmission ratio of the input shaft to the output shaft can be continuously changed.)

1. A cone-column continuously variable transmission, comprising: the gear shifting device comprises a transmission shell (1), an input shaft (2), an output shaft (3), a gear shifting push pump (4), a conical column a (5), a conical column b (6), a push rod (7), a push plate (8), a transmission belt (9), a sliding sheet gear a (10) and a sliding sheet gear b (11);

one end of the transmission shell (1) is rotatably provided with an input shaft (2), and the other end of the transmission (1) is rotatably provided with an output shaft (3); the conical column a (5) is fixedly arranged on the input shaft (2); the conical column b (6) is fixedly arranged on the output shaft (3); the sliding vane gear a (10) is installed on the conical column a (5), and the sliding vane gear b (11) is installed on the conical column b (6); the transmission belt (9) is sleeved on the sliding piece gear a (10) and the sliding piece gear b (11); the push plate (8) is sleeved on the transmission belt (9); the push plate (8) is fixedly connected with one end of the push rod (7); the other end of the push rod (7) is fixedly connected with an output shaft of the gear shifting push pump (4);

the small circular surface a (51) of the conical column a (5) and the large circular surface b (62) of the conical column b (6) are positioned in the same vertical plane; the large circular surface a (52) of the conical column a (5) and the small circular surface b (61) of the conical column (6) are positioned in the same vertical plane;

the structure of the sliding piece gear a (10) is the same as that of the sliding piece gear b (11), the sliding piece gear a (100) comprises a plurality of sliding pieces, the sliding pieces are connected through ethylene propylene rubber, and the distance between the sliding pieces can be increased and decreased;

the gear-shifting push pump (4) drives the push rod (7) to move left and right, so that the push rod (7) drives the push plate (8) to move left and right, the push plate (8) pushes the transmission belt (9) to move, the transmission belt (9) drives the sliding piece gear a (10) and the sliding piece gear b (11) to move on the conical column a (5) and the conical column b (6), the diameters of the sliding piece gear a (10) and the sliding piece gear b (11) are continuously changed, and therefore the transmission ratio of the input shaft (2) to the output shaft (3) can be continuously changed.

2. The conical-column continuously variable transmission according to claim 1, wherein the sliding-vane gear a (10) and the sliding-vane gear b (11) are provided with U-shaped grooves, and the transmission belt (9) is located in the U-shaped grooves on the sliding-vane gear a (10) and the sliding-vane gear b (11).

3. The conical-cylindrical continuously variable transmission as claimed in claim 1, characterized in that rollers are vertically mounted in the push plate (8).

4. The cone-column continuously variable transmission according to claim 1, wherein sliding grooves are uniformly formed in the cone columns a (5) and b (6), and the sliding pieces are slidably mounted in the sliding grooves.

5. The cone-column continuously variable transmission according to claim 1, wherein the push plate (8) comprises a square plate a (81) and a square plate b (82), and the square plate a (81) and the square plate b (82) are fixedly connected through a connecting column; the transmission belt (9) is positioned between the square plate a (81) and the square plate b (82).

6. A conical-column continuously variable transmission according to claim 1, characterized in that the drive belt (9) is provided on its inside with a catch plate, which cooperates with a sliding-vane gear a (10) and a sliding-vane gear b (11).

7. A conical-cylindrical continuously variable transmission according to claim 1, characterized in that the drive belt (9) is a mild steel belt.

Technical Field

The invention relates to the field of continuously variable transmissions, in particular to a conical-column continuously variable transmission.

Background

The stepless speed variator uses the driving belt and the driving and driven wheels with variable working diameter to transmit power, and can realize the continuous change of transmission ratio, so as to obtain the optimum matching of the transmission system and the engine working condition.

The conventional continuously variable transmission comprises two pulleys and a metal belt, wherein the two pulleys are sleeved with the metal belt. The pulley consists of two wheel discs, the groove between the two wheel discs forms a V shape, one wheel disc is operated by a hydraulic control mechanism, the separating and drawing actions can be carried out according to different engine rotating speeds, the V-shaped groove is widened or narrowed, the metal belt is lifted or lowered, and therefore the diameter of the metal belt contacting with the pulley is changed.

The friction between the metal belt and the wheel disc is small in the speed changing process, and the metal belt and the wheel disc can slip, so that the speed changing efficiency is low, and the service life of the pulley is also shortened.

Disclosure of Invention

In view of the above problems, the present invention provides a conical-column continuously variable transmission, which includes: the gear shifting device comprises a transmission shell, an input shaft, an output shaft, a gear shifting push pump, a conical column a, a conical column b, a push rod, a push plate, a transmission belt, a sliding sheet gear a and a sliding sheet gear b;

one end of the transmission shell is rotatably provided with an input shaft, and the other end of the transmission is rotatably provided with an output shaft; the conical column a is fixedly arranged on the input shaft; the conical column b is fixedly arranged on the output shaft; the sliding sheet gear a is mounted on the conical column a, and the sliding sheet gear b is mounted on the conical column b; the transmission belt is sleeved on the sliding sheet gear a and the sliding sheet gear b; the push plate is sleeved on the transmission belt; the push plate is fixedly connected with one end of the push rod; the other end of the push rod is fixedly connected with an output shaft of the gear-shifting push pump;

the small circular surface a of the conical column a and the large circular surface b of the conical column b are positioned in the same vertical plane; the large circular surface a of the conical column a and the small circular surface b of the conical column are positioned in the same vertical plane;

the structure of the sliding piece gear a is the same as that of the sliding piece gear b, the sliding piece gear a comprises a plurality of sliding pieces, the sliding pieces are connected through ethylene propylene rubber, and the distance between the sliding pieces can be increased and decreased;

the gear-shifting push pump drives the push rod to move left and right, so that the push rod drives the push plate to move left and right, the push plate pushes the transmission belt to move, the transmission belt drives the sliding piece gear a and the sliding piece gear b to move on the conical column a and the conical column b, the diameters of the sliding piece gear a and the sliding piece gear b are continuously changed, and therefore the transmission ratio of the input shaft to the output shaft can be continuously changed.

Furthermore, U-shaped grooves are formed in the sliding piece gear a and the sliding piece gear b, and the transmission belt is located in the U-shaped grooves in the sliding piece gear a and the sliding piece gear b.

Further, a roller is vertically arranged in the push plate.

Furthermore, evenly be equipped with the spout on awl post a and the awl post b, gleitbretter slidable mounting is in the spout.

Furthermore, the push plate comprises a square plate a and a square plate b, and the square plate a and the square plate b are fixedly connected through a connecting column; the transmission belt is positioned between the square plate a and the square plate b.

Furthermore, a clamping plate is arranged on the inner side of the transmission belt and matched with a sliding piece gear a and a sliding piece gear b.

Further, the transmission belt is a soft steel belt.

Due to the adoption of the technical scheme, the invention has the following advantages:

(1) according to the invention, the gear-shifting push pump drives the push rod to move left and right, so that the push rod drives the push plate to move left and right, the push plate drives the transmission belt to move, the transmission belt drives the sliding sheet gear a and the sliding sheet gear b to move on the conical column a and the conical column b, and the diameters of the sliding sheet gear a and the sliding sheet gear b are continuously changed, so that the transmission ratio of the input shaft to the output shaft can be continuously changed.

(2) The sliding pieces are connected by the ethylene propylene rubber, so that the distance between the sliding pieces can be increased and decreased.

(3) According to the invention, the U-shaped groove is arranged, and the transmission belt is positioned in the U-shaped grooves on the sliding piece gear a and the sliding piece gear b, so that the transmission belt can be prevented from deviating, and the normal operation of the transmission belt is ensured.

(4) According to the invention, the sliding sheet is slidably arranged in the sliding groove, so that the sliding sheet and the conical column can be prevented from slipping, and the transmission efficiency is ensured.

(5) According to the invention, the rollers are arranged, so that when the push plate pushes the transmission belt, the transmission belt and the rollers are in rolling connection, the friction force can be reduced, and the transmission efficiency is ensured.

Drawings

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

FIG. 2 is a schematic diagram of the internal structure of the transmission housing of the present invention.

FIG. 3 is a schematic view of the sliding-vane gear a and sliding-vane gear b according to the present invention.

Fig. 4 is a schematic structural view of the conical pillar a of the present invention.

Fig. 5 is a schematic structural view of the conical pillar b of the present invention.

FIG. 6 is a schematic diagram of the structure of the push plate of the present invention.

Reference numerals: 1-a transmission housing; 2-an input shaft; 3-an output shaft; 4-gear shifting push pump; 5-conical cylinder a; 6-conical column b; 7-a push rod; 8-pushing the plate; 9-a transmission belt; 10-gleitbretter gear a; 11-gleitbretter gear b; 51-small circle a; 52-big circular surface a; 61-small circle b; 62-big round surface b; 81-square panel a; 82-Square plate b.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in many ways other than those described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit of the invention, and therefore the invention is not limited to the specific embodiments disclosed below.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.