CN202280822U

CN202280822U - Bearing lubricating device for reducer

Info

Publication number: CN202280822U
Application number: CN 201120448301
Authority: CN
Inventors: 钟明; 柳忠良; 辛经纬; 胡晔平
Original assignee: Shanghai Zhenghua Heavy Industries Co Ltd
Current assignee: Shanghai Zhenghua Heavy Industries Co Ltd
Priority date: 2011-11-14
Filing date: 2011-11-14
Publication date: 2012-06-20
Anticipated expiration: 2021-11-14

Abstract

The utility model provides a bearing lubricating device for a reducer. The bearing lubricating device comprises an upper box body, a lower box body, an input gear shaft, two bearings, two end covers, an oil guide groove, two first oil inlets and an oil outlet, wherein the upper box and the lower box are mutually matched; the input gear shaft is arranged between the upper box body and the lower box body, and an input large gear is arranged at one side of the input gear shaft; the two bearings are arranged between the upper box and the lower box bodies and the input gear shaft and are respectively located at two sides of the input gear shaft; the two end covers are respectively arranged at the outer sides of the both ends of the upper box body and the lower box body; the oil guide groove is located in the upper box body and passes through the both sides of the upper box body; the two first oil inlets are symmetrically located at the both sides of the upper box body and are communicated with the oil guide groove; each one of the two first oil inlets passes through the two bearings by one bearing oil inlet groove; and the oil outlets are arranged on the lower box body and are respectively located between the bearing and the end cover, which are at the same side. According to the bearing lubricating device for the reducer disclosed by the utility model, the high-speed bearings of the parallel shaft reducer can be sufficiently lubricated, so that the temperature of the high-speed bearings at the both ends is good in uniformity, and the temperature of the ends of the high-speed bearings is reduced.

Description

The reducer shaft bearing lubricating device

Technical field

The utility model relates to a kind of bearing-lubricating device, relates in particular to a kind of a kind of reducer shaft bearing lubricating device that is applicable to.

Background technique

The tradition parallel shaft (speed) reducer is different according to its structure, and the lubricating system that high speed input stage bearing is taked also is not quite similar, and generally adopts splash lubrication, and this mode does not need extra power, and cost is lower, lubricated reliable.When high-speed gear pair turned round, the high-speed bearing at two ends was especially abundant inadequately away from the bearing lubrication of gear end, is prone to cause bearing failure.Usually the way that solves is to adopt retarder external forced lubrication system, makes bearing lubrication fully and reduce temperature, and this not only causes cost to increase, and more possibly bring hidden danger of quality, in case lubrication system works is unusual, then might damage retarder.

The model utility content

The purpose of the utility model is to provide a kind of parallel shaft (speed) reducer high speed input stage bearing-lubricating device; To realize not increasing the external forced lubrication system; Can the sufficient lubrication high-speed bearing, can make the high-speed bearing temperature at two ends reach unanimity again, reduce the temperature of axle head simultaneously.

For realizing above-mentioned purpose, the utility model provides a kind of reducer shaft bearing lubricating device, comprising: upper box that is fitted to each other and lower box; The input gear shaft places between said upper box and the said lower box, and a side of said input gear shaft is provided with an input gearwheel; Two bearings are arranged at the said lower box of going up with between the said input gear shaft and lay respectively at the both sides of said input gear shaft; Two end caps place the said outside of tank ends up and down respectively; Oil guide slot is positioned at said upper box and runs through the both sides of said upper box; Two first oil inlet holes are symmetrically located at the both sides of said upper box, with said oil guide slot conducting and separately via sensible said two bearings of a bearing oil-feed tank; And oil outlet, be arranged on the said lower box and between the bearing and end cap of the same side.

Preferably, in a preferred embodiment of the utility model, above-mentioned reducer shaft bearing lubricating device further comprises: two second oil inlet holes are symmetrically located at the both sides of said upper box, and lay respectively between the bearing and end cap of the same side.

Preferably, in a preferred embodiment of the utility model, two following oil storage tanks place respectively by the said bearing on the inwall of said lower box.

Preferably, in a preferred embodiment of the utility model, go up oil storage tanks for two, place respectively by the said bearing on the inwall of said upper box.

Preferably, in a preferred embodiment of the utility model, be arranged on the said lower box and between the bearing of the same side and end cap said oil outlet have two.

Therefore; The reducer shaft bearing lubricating device of the utility model can be realized the sufficient lubrication of the high-speed bearing of parallel shaft (speed) reducer; Can make the high-speed bearing temperature high conformity at two ends, and reduce the temperature of high speed axle head, simultaneously novel structure, with low cost, reliable operation.

Should be appreciated that the above generality of the utility model is described and following detailed description all is exemplary and illustrative, and be intended to further explanation is provided for as claimed in claim the utility model.

Description of drawings

Comprise that accompanying drawing is for providing the utility model further to be understood, they are included and are constituted the application's a part, and accompanying drawing shows the embodiment of the utility model, and play the effect of explaining the utility model principle with this specification.In the accompanying drawing:

Fig. 1 shows the schematic representation according to the key structure of the reducer shaft bearing lubricating device of the utility model.

Embodiment

The embodiment of the utility model will be described with reference to the drawings now in detail.Now will be in detail with reference to the preferred embodiment of the utility model, its example is shown in the drawings.In the case of any possible, in institute's drawings attached, will use identical mark to represent same or analogous part.In addition; Although employed term is from public term, to select in the utility model; But some mentioned terms possibly be that the claimant selects by his or her judgement in the utility model specification, and its detailed meanings is explained in the relevant portion of the description of this paper.In addition, require not only through employed actual terms, but also will understand the utility model through the meaning that each term contained.

Fig. 1 shows the schematic representation according to the key structure of the reducer shaft bearing lubricating device of the utility model.As shown in the figure, the reducer shaft bearing lubricating device of the utility model mainly comprises: upper box 101, lower box 102, input gear shaft 103, input gearwheel 104, two bearings 105, two end caps 106, oil guide slot 107, two first oil inlet holes 108, bearing oil-feed tank 109 and oil outlets 110.

In Fig. 1, upper box 101 is fitted to each other with lower box 102, to constitute a complete housing.Input gear shaft 103 places between said upper box 101 and the said lower box 102.One side of this input gear shaft 103 is provided with an input gearwheel 104.Two bearings 105 are arranged at said upper box 101, lower box 102 with between the said input gear shaft 103 and lay respectively at the both sides of said input gear shaft 103.The outside at said upper box 101 and lower box 102 two ends all is equipped with end cap 106.

In addition, an oil guide slot 107 is positioned at upper box 101 and runs through the both sides of upper box 101.Two first oil inlet holes 108 are symmetrically located at the both sides of said upper box 101, with said oil guide slot 107 conductings and separately via a bearing oil-feed tank 109 sensible said two bearings 105.Oil outlet 110 is arranged on the said lower box 102 and between the bearing 105 and end cap 106 of the same side.Preferably, be arranged on the said lower box 102 and between the bearing 105 of the same side and end cap 106 quantity of said oil outlet 110 can have two.In addition, also can be on end cap 106 or axle sleeve 116 and the turnover oilhole corresponding part oilhole 115 that begins to rehearse.

In addition, each high speed input stage bearing hole 114 place also can be provided with two filler openings, establishes two oil outlets at lower box 102.That is, according to a preferred embodiment of the utility model, above-mentioned reducer shaft bearing lubricating device may further include two second oil inlet holes 111.These two second oil inlet holes 111 can be symmetrically located at the both sides of said upper box 101, and lay respectively between the bearing 105 and end cap 106 of the same side.More preferably, this second oil inlet hole 111 can be oppositely arranged with an oil outlet 110 on the lower box 102.

On the other hand, in lower box 102, two following oil storage tanks 112 can be set, they place on the inwall of said lower box 101 respectively and to be positioned at said bearing 105 other.Accordingly, in upper box 101, also can two go up oil storage tanks 113, they can place on the inwall of said upper box 101 respectively and to be positioned at said bearing 105 other.

According to the utility model, when retarder brought into operation, lubricant oil will get rid of in the oil guide slot 107 through input gearwheel 104.Then, the lubricant oil that is dumped into oil guide slot 107 will be diverted in the last oil storage tank 113 at two ends, and then first oil inlet hole 108 through each end flows into bearing 105, so that this bearing 105 can obtain sufficient lubrication.

On the other hand, lubricant oil will flow into the cavity of 106 of bearings 105 and end caps through second oil inlet hole 111, discharge rapidly through two oil outlets 110 of lower box 102 then.Like this, both can realize heat radiation, can the impurity in the cavity have been discharged again.Following oil storage tank 112 can keep then that oil level is higher than the bearing roller minimum point in the running.

To sum up, the utility model is provided with oil storage tank at parallel shaft (speed) reducer high-speed bearing upper and lower end, between upper box two oil storage tanks, establishes oil guide slot.Therefore; The reducer shaft bearing lubricating device of the utility model can be realized the sufficient lubrication of the high-speed bearing of parallel shaft (speed) reducer; Can make the high-speed bearing temperature high conformity at two ends, and reduce the temperature of high speed axle head, simultaneously novel structure, with low cost, reliable operation.The utility model is specially adapted to be with in the various parallel shaft (speed) reducers lubricating fitting of the high speed input stage bearing of lubrication groove and lubrication hole.

Those skilled in the art can be obvious, can carry out various modifications and modification to the above-mentioned exemplary embodiment of the utility model and do not depart from the spirit and the scope of the utility model.Therefore, be intended to make the utility model to cover modification and the modification that drops in appended claims and the come scope thereof to the utility model.

Claims

1. a reducer shaft bearing lubricating device is characterized in that, comprising:

Upper box that is fitted to each other and lower box;

The input gear shaft places between said upper box and the said lower box, and a side of said input gear shaft is provided with an input gearwheel;

Two bearings are arranged at the said lower box of going up with between the said input gear shaft and lay respectively at the both sides of said input gear shaft;

Two end caps place the said outside of tank ends up and down respectively;

Oil guide slot is positioned at said upper box and runs through the both sides of said upper box;

Two first oil inlet holes are symmetrically located at the both sides of said upper box, with said oil guide slot conducting and separately via sensible said two bearings of a bearing oil-feed tank; And

Oil outlet is arranged on the said lower box and between the bearing and end cap of the same side.

2. reducer shaft bearing lubricating device as claimed in claim 1 is characterized in that, further comprises:

Two second oil inlet holes are symmetrically located at the both sides of said upper box, and lay respectively between the bearing and end cap of the same side.

3. reducer shaft bearing lubricating device as claimed in claim 1 is characterized in that, two following oil storage tanks place respectively by the said bearing on the inwall of said lower box.

4. reducer shaft bearing lubricating device as claimed in claim 1 is characterized in that, goes up oil storage tanks for two, places respectively by the said bearing on the inwall of said upper box.

5. reducer shaft bearing lubricating device as claimed in claim 1 is characterized in that, be arranged on the said lower box and between the bearing of the same side and end cap said oil outlet have two.