阅读说明：本技术 一种电机车专用减速机弹性悬挂装置 (Elastic suspension device of speed reducer special for electric locomotive ) 是由 邹跃岐 张学军 黄文龙 于 2019-11-29 设计创作，主要内容包括：本发明公开了一种电机车专用减速机弹性悬挂装置,包括拉杆总成,所述拉杆总成的两端分别具有上拉杆头和下拉杆头,所述上拉杆头内安装有拉杆弹性套圈,所述下拉杆头内通过挡圈安装有关节轴承；所述上拉杆头通过固定在电机车的行走钢结构上的上耳板和上连接销与所述行走钢结构铰接；所述上耳板内固定有上衬套；所述下拉杆头通过固定在所述电机车的减速器上的下耳板和下连接销与所述减速器铰接；所述下耳板内固定有下衬套。本发明弹性悬挂装置是应用在电机车走行上,电机车在轨面上行走,走行时会有颠簸,弹性悬架装置减缓电机车在走行时,因颠簸对减速机齿轮的冲击,延长减速机的寿命。(The invention discloses an elastic suspension device of a special speed reducer for an electric locomotive, which comprises a pull rod assembly, wherein an upper pull rod head and a lower pull rod head are respectively arranged at two ends of the pull rod assembly, a pull rod elastic ferrule is arranged in the upper pull rod head, and a joint bearing is arranged in the lower pull rod head through a check ring; the upper pull rod head is hinged with the walking steel structure through an upper lug plate and an upper connecting pin which are fixed on the walking steel structure of the electric locomotive; an upper bushing is fixed in the upper ear plate; the lower pull rod head is hinged with the speed reducer through a lower lug plate and a lower connecting pin which are fixed on the speed reducer of the electric locomotive; and a lower bushing is fixed in the lower ear plate. The elastic suspension device is applied to the walking of the electric locomotive, the electric locomotive walks on a rail surface and jolts during the walking, and the elastic suspension device slows down the impact of the jolts on the gear of the speed reducer during the walking of the electric locomotive, so that the service life of the speed reducer is prolonged.)

1. The elastic suspension device for the speed reducer special for the electric locomotive is characterized by comprising a pull rod assembly, wherein an upper pull rod head and a lower pull rod head are respectively arranged at two ends of the pull rod assembly, the axes of the upper pull rod head and the lower pull rod head are perpendicular to the axis of the pull rod assembly, a pull rod elastic ferrule is installed in the upper pull rod head, and a joint bearing is installed in the lower pull rod head through a check ring;

the upper pull rod head is hinged with the walking steel structure through an upper lug plate and an upper connecting pin which are fixed on the walking steel structure of the electric locomotive;

an upper bushing is fixed in the upper ear plate, one end of the upper connecting pin, which is far away from the end surface of the upper connecting pin, penetrates through the two upper bushings and the pull rod elastic ferrule, the end part of the end is tightly pressed with an upper pressing cover through an upper locking nut, and an upper spacer bush is sleeved on the part, between the upper bushing, which is close to the end of the upper connecting pin, which is far away from the end surface of the upper connecting pin, and the pull rod elastic ferrule; one end of the upper connecting pin, which is provided with an end face, is tightly attached to the end face of the upper bushing, which is close to the end face of the upper connecting pin;

the lower pull rod head is hinged with the speed reducer through a lower lug plate and a lower connecting pin which are fixed on the speed reducer of the electric locomotive;

a lower bushing is fixed in the lower ear plate; one end of the lower connecting pin, which is far away from the end face of the lower connecting pin, penetrates through the two lower bushings and the knuckle bearing, the end part of the lower connecting pin is tightly pressed by a lower pressing cover through a lower locking nut, and a lower spacer bush is sleeved on the part, between the lower bushing, which is close to the end face of the lower connecting pin, and the knuckle bearing;

and one end of the lower connecting pin, which is provided with an end face, is tightly attached to the end face of the lower bushing close to the lower connecting pin.

2. The elastic suspension device for the speed reducer special for the electric locomotive according to claim 1, characterized in that: the pull rod assembly comprises a pull rod sleeve, an upper pull rod and a lower connecting rod which are in threaded fit with the pull rod sleeve are respectively arranged in two ends of the pull rod sleeve, the upper pull rod is far away from one end of the pull rod sleeve and is provided with an upper pull rod head, the lower pull rod is far away from one end of the pull rod sleeve and is provided with a lower pull rod head, the upper pull rod and the lower pull rod are respectively sleeved with a fixing nut, a locking nut and a check ring, the fixing nut and the locking nut are in threaded fit with the fixing nut and the locking nut, and the check ring is arranged between the fixing nut and the locking nut.

3. The elastic suspension device for the speed reducer special for the electric locomotive according to claim 1, characterized in that: and one end of the upper connecting pin, which is far away from the end surface of the upper connecting pin, and one end of the lower connecting pin, which is far away from the end surface of the lower connecting pin, are respectively provided with a split limiting pin matched with the upper locking nut and the lower locking nut.

4. The elastic suspension device for the speed reducer special for the electric locomotive according to claim 1, characterized in that: the upper bushing, the lower bushing, the upper spacer bush and the lower spacer bush are all made of nylon materials.

5. The elastic suspension device for the speed reducer special for the electric locomotive according to claim 1, characterized in that: the elastic ferrule of the pull rod is made of rubber.

6. The elastic suspension device for the speed reducer special for the electric locomotive according to claim 1, characterized in that: the upper ear plate is fixed on the pull rod support, the pull rod support is fixedly connected with the traveling mechanism through a bolt, and the traveling mechanism is welded with a stop iron below the pull rod support.

Technical Field

The invention relates to a suspension device, in particular to an elastic suspension device of a speed reducer special for an electric locomotive.

Background

At present, electric locomotives are operated on the coke-quenching car rails on the coke side of the coke oven for towing and handling coke car trucks or wet quenching cars.

The electric locomotive walks on the rail surface and jolts when walking, and the traditional suspension device can cause impact on a gear of the speed reducer due to jolt when the electric locomotive walks, so that the service life of the speed reducer is shortened.

Disclosure of Invention

In view of the above-mentioned technical problems, an elastic suspension device for a speed reducer dedicated for an electric locomotive is provided.

The technical means adopted by the invention are as follows:

an elastic suspension device of a speed reducer special for an electric locomotive comprises a pull rod assembly, wherein an upper pull rod head and a lower pull rod head are respectively arranged at two ends of the pull rod assembly, the axes of the upper pull rod head and the lower pull rod head are perpendicular to the axis of the pull rod assembly, a pull rod elastic ferrule is installed in the upper pull rod head, and a joint bearing is installed in the lower pull rod head through a check ring;

the upper pull rod head is hinged with the walking steel structure through an upper lug plate and an upper connecting pin which are fixed on the walking steel structure of the electric locomotive;

an upper bushing is fixed in the upper ear plate, one end of the upper connecting pin, which is far away from the end surface of the upper connecting pin, penetrates through the two upper bushings and the pull rod elastic ferrule, the end part of the end is tightly pressed with an upper pressing cover through an upper locking nut, and an upper spacer bush is sleeved on the part, between the upper bushing, which is close to the end of the upper connecting pin, which is far away from the end surface of the upper connecting pin, and the pull rod elastic ferrule; one end of the upper connecting pin, which is provided with an end face, is tightly attached to the end face of the upper bushing, which is close to the end face of the upper connecting pin;

the lower pull rod head is hinged with the speed reducer through a lower lug plate and a lower connecting pin which are fixed on the speed reducer of the electric locomotive;

a lower bushing is fixed in the lower ear plate; one end of the lower connecting pin, which is far away from the end face of the lower connecting pin, penetrates through the two lower bushings and the knuckle bearing, the end part of the lower connecting pin is tightly pressed by a lower pressing cover through a lower locking nut, and a lower spacer bush is sleeved on the part, between the lower bushing, which is close to the end face of the lower connecting pin, and the knuckle bearing;

and one end of the lower connecting pin, which is provided with an end face, is tightly attached to the end face of the lower bushing close to the lower connecting pin.

The pull rod assembly comprises a pull rod sleeve, an upper pull rod and a lower connecting rod which are in threaded fit with the pull rod sleeve are respectively arranged in two ends of the pull rod sleeve, the upper pull rod is far away from one end of the pull rod sleeve and is provided with an upper pull rod head, the lower pull rod is far away from one end of the pull rod sleeve and is provided with a lower pull rod head, the upper pull rod and the lower pull rod are respectively sleeved with a fixing nut, a locking nut and a check ring, the fixing nut and the locking nut are in threaded fit with the fixing nut and the locking nut, and the check ring is arranged between the fixing nut and the locking nut.

And one end of the upper connecting pin, which is far away from the end surface of the upper connecting pin, and one end of the lower connecting pin, which is far away from the end surface of the lower connecting pin, are respectively provided with a split limiting pin matched with the upper locking nut and the lower locking nut.

The upper bushing, the lower bushing, the upper spacer bush and the lower spacer bush are all made of nylon materials.

The elastic ferrule of the pull rod is made of rubber.

The upper ear plate is fixed on the pull rod support, the pull rod support is fixedly connected with the traveling mechanism through a bolt, and the traveling mechanism is welded with a stop iron below the pull rod support.

The invention has the following advantages:

1. the upper bushing, the lower bushing, the upper spacer bush and the lower spacer bush are added to reduce the impact force of bumping on the speed reducer.

2. The upper pull rod head is internally provided with a pull rod elastic ferrule which can absorb vibration energy and reduce impact force on the speed reducer.

3. And the pull rod assembly of the elastic suspension device consists of an upper pull rod head, a lower pull rod head and a pull rod pipe sleeve, and in the installation process of the speed reducer, the positioning connection between the input shaft of the speed reducer and the output shaft of the rotating motor can be adjusted through the pull rod assembly, so that the installation and debugging of the speed reducer are facilitated.

Based on the reason, the invention can be widely popularized in the fields of electric locomotives and the like.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of an elastic suspension device of a speed reducer dedicated for an electric locomotive in an embodiment of the invention.

Fig. 2 is a sectional view taken along line a-a in fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 2, an elastic suspension device for a speed reducer special for an electric locomotive comprises a pull rod assembly 1, wherein an upper pull rod head 2 and a lower pull rod head 3 are respectively arranged at two ends of the pull rod assembly 1, the axes of the upper pull rod head 2 and the lower pull rod head 3 are both perpendicular to the axis of the pull rod assembly 1, a pull rod elastic ferrule 21 is installed in the upper pull rod head 2, and a joint bearing 32 is installed in the lower pull rod head 3 through a retaining ring 31;

the upper pull rod head 2 is hinged with the walking steel structure 4 through an upper lug plate 41 and an upper connecting pin 42 which are fixed on the walking steel structure 4 of the electric locomotive;

an upper bushing 43 is fixed in the upper ear plate 41, one end of the upper connecting pin 42, which is far away from the end surface, penetrates through the two upper bushings 43 and the pull rod elastic ferrule 21, the end part of the end is pressed with an upper pressing cover 45 through an upper locking nut 44, and an upper spacer 46 is sleeved on the part, between the upper bushing 43 and the pull rod elastic ferrule 21, of the upper connecting pin 42, which is close to the end far away from the end surface; one end of the upper connecting pin 42 with an end face is tightly attached to the end face of the upper bushing 43 close to the end face;

the pull-down rod head 3 is hinged with the speed reducer 1 through a lower lug plate 51 and a lower connecting pin 52 which are fixed on the speed reducer 5 of the electric locomotive;

a lower bushing 53 is fixed in the lower ear plate 51; one end of the lower connecting pin 52, which is far away from the end surface thereof, penetrates through the two lower bushings 53 and the knuckle bearing 32, the end part of the end is pressed by a lower gland 55 through a lower lock nut 54, and a lower spacer 56 is sleeved on the part, close to the end of the lower connecting pin 32, which is far away from the end surface thereof, between the lower bushing 53 and the knuckle bearing 32;

one end of the lower connecting pin 52 having an end surface is closely fitted to the end surface of the lower bush 53 adjacent thereto.

Pull rod assembly 1 includes pull rod sleeve pipe 11, just be equipped with respectively in pull rod sleeve pipe 11's the both ends with pull rod sleeve pipe 11 screw-thread fit's last pull rod 12 and lower connecting rod 13, go up pull rod 12 and keep away from pull rod sleeve pipe 11's one end has go up tie-head 2, lower pull rod 13 keeps away from pull rod sleeve pipe 11's one end has drop-head 3, just go up pull rod 12 with all overlap on pull rod 13 and have rather than screw-thread fit's fixation nut 14, lock nut 15 and set up retaining ring 16 between fixation nut 14 and the lock nut 15.

And one end of the upper connecting pin 42, which is far away from the end surface thereof, and one end of the lower connecting pin 52, which is far away from the end surface thereof, are respectively provided with a split limit pin 57 which is matched with the upper lock nut 45 and the lower lock nut 55.

The upper bushing 43, the lower bushing 53, the upper spacer 46 and the lower spacer 56 are all made of nylon.

The pull rod elastic ferrule 21 is made of rubber.

The upper ear plate 41 is fixed on the pull rod support 6, the pull rod support 6 is fixedly connected with the traveling mechanism 4 through a bolt, and the traveling mechanism 4 is welded with a stop iron 61 below the pull rod support 6, so that the pull rod support 6 can be prevented from downward displacement.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.