Novel inertial synchronizer assembly
阅读说明:本技术 一种新型惯性式同步器总成 (Novel inertial synchronizer assembly ) 是由 王树彬 占伟 邱华 向盼 张光哲 邹锋 仲大伟 于 2020-06-29 设计创作,主要内容包括:本发明公开了一种新型惯性式同步器总成。它包括滑动齿套、同步环、结合齿环,还包括弹簧片和钢球,所述滑动齿套上设有球形安装孔,所述同步环外圈设有斜坡凸台,所述钢球位于球形安装孔与斜坡凸台围成的空间内,所述弹簧片一侧固定于滑动齿套上并将钢球限位。本发明采用弹簧片+钢球组合替代推块(托柱)+弹簧组合,配合滑动齿套等零件来完成预同步工作,现有方案相比,该预同步结构可以用于不含齿座的同步器,如副箱同步器。(The invention discloses a novel inertial synchronizer assembly. The novel steel ball bearing comprises a sliding gear sleeve, a synchronizing ring, a combined gear ring, a spring piece and a steel ball, wherein a spherical mounting hole is formed in the sliding gear sleeve, a slope boss is arranged on the outer ring of the synchronizing ring, the steel ball is located in a space defined by the spherical mounting hole and the slope boss, and one side of the spring piece is fixed on the sliding gear sleeve and limits the steel ball. The invention adopts the combination of the spring leaf and the steel ball to replace the combination of the push block (the support column) and the spring, and matches with the parts such as the sliding gear sleeve to complete the presynchronization work.)
1. The utility model provides a novel inertial type synchronous ware assembly, includes slip ring gear (1), synchronizer ring (A), combines ring gear (7), its characterized in that: still include spring leaf (10) and steel ball (11), be equipped with spherical mounting hole (1a) on slip tooth cover (1), synchronizer ring (A) outer lane is equipped with slope boss (A1), steel ball (11) are located the space that spherical mounting hole (1a) and slope boss (A1) enclose, spring leaf (10) one side is fixed in on slip tooth cover (1) and is spacing with steel ball (11).
2. The novel inertial synchronizer assembly according to claim 1, characterized in that: the spring piece (10) and the steel ball (11) comprise four or more sets which are distributed in four or more spherical mounting holes (1a) which are uniformly distributed and correspond to the sliding gear sleeve (1).
3. The novel inertial synchronizer assembly according to claim 1, characterized in that: the spherical mounting hole (1a) is of a structure with one large end and the other small end, the aperture phi A of one end, far away from the tooth holder, of the spherical mounting hole (1a) is larger than the diameter phi B of the steel ball, and the diameter phi B of the steel ball is larger than the aperture phi C of the other end, close to the tooth holder, of the spherical mounting hole (1 a).
4. A novel inertial synchronizer assembly according to claim 1 or 2, characterized in that: the outer ring of the synchronizing ring (A) is provided with four or more slope bosses (A1) which are uniformly distributed, and the slope angle of the slope bosses (A1) is less than 45 degrees.
5. The novel inertial synchronizer assembly according to claim 1, characterized in that: and in a neutral gear state, the distance RD between the lowest point D of the steel ball (11) and the axle center of the synchronizer is smaller than the radius RE of the outer ring of the slope boss (A1).
6. The novel inertial synchronizer assembly according to claim 1 or 5, characterized in that: and the radius RF of the outer ring of the synchronizing ring (A) is smaller than the distance RD from the lowest point D of the steel ball (11) to the axis of the synchronizer in a neutral gear state.
7. The novel inertial synchronizer assembly according to claim 1, characterized in that: the end part of one side of the spring piece (10) is a raised mounting structure, and the mounting structure is fixed on the sliding gear sleeve (1) through a steel needle.
8. The novel inertial synchronizer assembly according to claim 1, characterized in that: when the steel ball (11) slides down from the slope boss (A1) of the synchronizing ring, namely when the synchronizing ring is in neutral, the sliding gear sleeve (1) is in the middle position.
9. The novel inertial synchronizer assembly according to claim 1, characterized in that: the spline of the sliding gear sleeve (1) is combined with the combined gear ring (7).
10. The novel inertial synchronizer assembly according to claim 1, characterized in that: a gap is arranged between the sliding gear sleeve (1) and the synchronizing ring (A).
Technical Field
The invention belongs to the technical field of transmission variable-speed traveling systems, and particularly relates to a novel inertial type synchronizer assembly.
Background
The existing heavy-duty gearbox main box synchronizer assembly mostly adopts a tooth holder, a tooth sleeve, a combined tooth ring, a synchronizing ring, a spring and a push block (support column) structure. The presynchronization scheme adopts a spring and push block (support column) structure. In the prior art, 3-4 groups of springs and push blocks (push blocks) are combined to achieve the pre-synchronization function, so that the parts are large in variety and quantity, high in cost and difficult to assemble.
Specifically, the conventional synchronizer is shown in fig. 1, and is composed of a
Disclosure of Invention
The present invention is directed to solve the above-mentioned drawbacks of the prior art, and to provide a novel inertial synchronizer assembly.
The technical scheme adopted by the invention is as follows: the utility model provides a novel inertial type synchronizer assembly, includes slip tooth cover, synchronizer ring, combines the ring gear, still includes spring leaf and steel ball, be equipped with spherical mounting hole on the slip tooth cover, the synchronizer ring outer lane is equipped with the slope boss, the steel ball is located the space that spherical mounting hole and slope boss enclose, spring leaf one side is fixed in on the slip tooth cover and is spacing with the steel ball.
In a further preferred structure, the spring plate and the steel balls comprise four or more sets of spring plates and are distributed in four or more spherical mounting holes which are uniformly distributed on the sliding gear sleeve.
In a further preferable structure, the spherical mounting hole is a structure with one large end and the other small end, the aperture phi A of one end of the spherical mounting hole far away from the tooth holder is larger than the diameter phi B of the steel ball, and the diameter phi B of the steel ball is larger than the aperture phi C of the other end of the spherical mounting hole close to the tooth holder.
In a further preferred structure, the outer ring of the synchronizing ring is provided with four or more slope bosses which are uniformly distributed, and the slope angle of each slope boss is smaller than 45 degrees.
In a further preferred configuration, in the neutral state, a distance RD from a lowest point D (a point closest to the synchronizer axis) of the steel ball to the axis of the synchronizer is smaller than a radius RE of the outer ring of the slope boss.
In a further preferred configuration, the synchronizer ring outer ring radius RF is smaller than a distance RD from a synchronizer shaft center to a lowest point D (a point closest to a synchronizer shaft axis) of the steel ball in a neutral state.
In a further preferred structure, the end part of one side of the spring piece is a raised mounting structure, and the mounting structure is fixed on the sliding gear sleeve through a steel needle.
In a further preferable structure, the sliding gear sleeve is in a middle position when the steel ball slides down from the slope boss of the synchronizing ring, namely, when the steel ball is in a neutral position.
In a further preferred structure, the spline on the sliding gear sleeve is combined with the combined gear ring.
In a further preferred structure, a gap is formed between the sliding gear sleeve and the synchronizing ring.
The invention adopts the combination of the spring piece and the steel ball to replace the combination of the push block (the support column) and the spring, and completes the pre-synchronization work by matching with parts such as the sliding gear sleeve and the like.
Drawings
FIG. 1 is a schematic diagram of a prior art heavy duty transmission main case synchronizer assembly;
FIG. 2 is a top view of a heavy duty transmission main case synchronizer;
FIG. 3 is a schematic structural view of a middle push block;
FIG. 4 is a schematic structural view of the present invention;
FIG. 5 is a schematic view of the position of the spring plate and the steel ball;
fig. 6 is a schematic diagram of a synchronous ring structure.
Wherein, 1-sliding gear sleeve, 2-push block, 3-synchronizing ring outer ring, 4-synchronizing ring middle ring, 5-spring, 6-synchronizing ring inner ring, 7-combining gear ring, 8-gear seat, 9-middle push block, 10-spring piece, 11-steel ball and A-synchronizing ring.
Detailed Description
The invention will be further described in detail with reference to the following drawings and specific examples, which are not intended to limit the invention, but are for clear understanding.
As shown in fig. 4-6, the invention comprises a
In the above scheme, the
The spherical mounting hole 1a is of a structure with one large end and the other small end, the aperture phi A of one end of the spherical mounting hole 1a far away from the tooth holder is larger than the diameter phi B of the steel ball, and the diameter phi B of the steel ball is larger than the aperture phi C of the other end of the spherical mounting hole 1a close to the tooth holder.
In the scheme, the outer ring of the synchronizing ring A is provided with four or more slope bosses A1 which are uniformly distributed, and the slope angle of the slope bosses A1 is smaller than 45 degrees. And in a neutral state, the distance RD between the lowest point D of the
In the scheme, the end part of one side of the
In the above scheme, when the
In the scheme, the spline of the
In the scheme, a gap is formed between the
The working principle of the invention is as follows: the working principle is as follows: under the action of thrust, the
Those not described in detail in this specification are within the skill of the art.