CN203585092U - Bearing sleeve, box body of axle box and axle box - Google Patents
Bearing sleeve, box body of axle box and axle box Download PDFInfo
- Publication number
- CN203585092U CN203585092U CN201320745980.9U CN201320745980U CN203585092U CN 203585092 U CN203585092 U CN 203585092U CN 201320745980 U CN201320745980 U CN 201320745980U CN 203585092 U CN203585092 U CN 203585092U
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- Prior art keywords
- oil
- bearing housing
- axle box
- feed tank
- fuel
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Abstract
The utility model provides a bearing sleeve, a box body of an axle box and the axle box. The bearing sleeve comprises a first oil inlet slot, a vertical oil outlet hole and a transverse oil returning hole, wherein the first oil inlet slot is butted with a tilted oil outlet hole of an end cover oil returning cavity and is formed in the inner circumferential surface of the bearing sleeve; the vertical oil outlet hole is formed in the outer circumferential surface of the bearing sleeve; the transverse oil returning hole is formed in the bearing sleeve and is used for connecting the first oil inlet slot with the vertical oil outlet hole; the first oil inlet slot is a trench; the length direction of the trench is the same as the arc direction of the inner circumferential surface in which the trench is formed; a second oil inlet slot with the same structure as that of the first oil inlet slot is formed in the box body of the axle box. The oil inlet slots in the bearing sleeve and the box body of the axle box adopt trench structures; therefore, when the oil inlet slots are butted with the oil outlet hole, only if any one section of the trench is superposed with the oil outlet hole, an oil path is smooth, and the probability that the oil returning path of the oil returning cavity is blocked is reduced; furthermore, during assembling, the bearing sleeve is simple; meanwhile, the machining difficulty of the oil inlet slots is reduced.
Description
Technical field
The utility model relates to Machining Technology, relates in particular to a kind of bearing housing, axle box casing and axle box, belongs to axle box lubricating oil path technical field.
Background technique
In adopting the gear-box of splash oil lubrication, particularly, when axle box end cap adopts non-contact sealing, in end cap, oil back chamber need be designed with oil-returning structure, oil-returning structure for by the oil in end cap oil back chamber through bearing housing transporting to the oil extraction through hole of casing.
All there is easy obstruction, be unfavorable for the technical problem of processing and assembling in the bearing housing in prior art in the oil return circuit of axle box end cap oil back chamber.Fig. 1 is the oil-returning structure sectional drawing of axle box end cap oil back chamber in prior art, and this oil-returning structure comprises: oil return inclined hole 11, oil-feed inclined hole 21, oil return cross-drilled hole 22, fuel-displaced vertical core 23 and oil-feed vertical core 51.Oil return inclined hole 11 is arranged in end cap 1 and is connected with oil back chamber 10; Oil back chamber 10 is arranged in end cap 1, generally is annular; Oil-feed inclined hole 21, oil return cross-drilled hole 22 and fuel-displaced vertical core 23 are arranged at bearing housing 2, form the oil circuit in bearing housing 2; Oil-feed inclined hole 21 connects with oil return inclined hole 11; Oil inlet hole 51 is arranged on casing 5, for connecting with fuel-displaced vertical core 23.During actual use, the oil of oil back chamber 10, enters in casing 5 by oil return inclined hole 11, oil-feed inclined hole 21, oil return cross-drilled hole 22, fuel-displaced vertical core 23 and oil-feed vertical core 51 successively.
Because bearing housing 2 generally is tile shape or sleeve-shaped, Thickness Ratio is thinner, and therefore on bearing housing 2, processing oil-feed inclined hole 21 has larger difficulty.Oil-feed inclined hole 21 is positioned on the inner cylindrical surface of bearing housing 2, because oil-feed inclined hole 21 need to be communicated with the oil return cross-drilled hole 22 on bearing housing 2, so add man-hour, should aim at oil return cross-drilled hole 22, can not punch bearing housing 2 again, so machining operations difficulty.In addition, because the oil circuit cross section of oil return inclined hole 11 and oil-feed inclined hole 21 is all a round dot, between them, be difficult to when mounted accurate contraposition, easily occur that oil return is not smooth or stop up oil return, and then cause the oil in oil back chamber 10 to get back in time in casing, when long-pending oil is too much in oil back chamber 10, cause leakage.
Equally, fuel-displaced vertical core 23 and oil-feed vertical core 51 time are also difficult to align in assembling, also can cause oil circuit oil return smooth or stop up.
Model utility content
The technical problem that the oil return circuit of axle box end cap oil back chamber in prior art easily stops up in order to solve, bearing housing is unfavorable for processing and assembling, the utility model provides a kind of bearing housing, comprising:
The first oil-feed tank connecting for the fuel-displaced inclined hole with end cap oil back chamber, is arranged on the inner peripheral surface of described bearing housing;
Be arranged on the fuel-displaced vertical core on the outer peripheral surface of described bearing housing;
Be arranged in described bearing housing and for connecting the oil return cross-drilled hole of described the first oil-feed tank and described fuel-displaced vertical core;
Described the first oil-feed tank is groove, and the length direction of described groove is identical with the circular arc direction of the inner peripheral surface at described groove place.
Bearing housing as above, wherein, the degree of depth even variation of described trench length direction and the middle part degree of depth are maximum.
Bearing housing as above, wherein, is characterized in that, the width of described groove is more than or equal to the diameter of described fuel-displaced inclined hole.
In order to solve, the oil return circuit of axle box end cap oil back chamber in prior art easily stops up, bearing housing is difficult for the technical problem of accurate assembly on axle box casing, and the utility model also provides a kind of axle box casing, comprising:
The second oil-feed tank connecting for the fuel-displaced vertical core with bearing housing, is arranged on described casing for the inner circumference cambered surface with described bearing housing docking;
Described the second oil-feed tank is groove, and the length direction of described groove is identical with the circular arc direction of the inner peripheral surface at described groove place.
Axle box casing as above, wherein, the degree of depth even variation of described trench length direction and the middle part degree of depth are maximum.
Axle box casing as above, wherein, the width of described the second oil-feed tank is more than or equal to the diameter of described fuel-displaced vertical core.
For solving the technical problem that the oil return circuit of axle box end cap oil back chamber in prior art easily stops up, each parts portion easily assembles, the utility model also provides a kind of axle box, comprising:
Bearing housing as above; Or/and, axle box casing as above.
The oil-returning structure of axle box end cap oil back chamber of the present utility model, because the first oil-feed tank adopts groove structure, any one section that when the first oil-feed tank and fuel-displaced inclined hole dock, needs only assurance groove can guarantee that with fuel-displaced inclined hole overlaid oil circuit is unimpeded, greatly reduce the probability that oil-returning structure stops up, and also had larger rich space and angle during assembling.Add adopt groove structure man-hour the first oil-feed tank also the oil circuit more easily and in bearing housing connect, reduced difficulty of processing.
Accompanying drawing explanation
Fig. 1 is the oil-returning structure sectional drawing of axle box end cap oil back chamber in prior art;
Fig. 2 is the utility model embodiment's bearing housing sectional side view;
Fig. 3 is the utility model embodiment's bearing housing sectional drawing;
Fig. 4 is the oil-returning structure sectional drawing of the utility model embodiment axle box;
Fig. 5 is that the second oil-feed tank of the utility model embodiment axle box casing is at upper box key plan;
Fig. 6 is that the second oil-feed tank of the utility model embodiment axle box casing is at lower box key plan.
Embodiment
Fig. 2 is the utility model embodiment's bearing housing sectional side view, and Fig. 3 is the utility model embodiment's bearing housing sectional drawing, and Fig. 4 is the oil-returning structure sectional drawing of the utility model embodiment axle box; The bearing housing 2 of the present embodiment comprises: the first oil-feed tank 24, fuel-displaced vertical core 23 and oil return cross-drilled hole 22.The first oil-feed tank 24 connects for the fuel-displaced inclined hole 11 of the oil back chamber 10 with end cap 1, and the first oil-feed tank 24 is arranged on the inner peripheral surface of bearing housing 2; Fuel-displaced vertical core 23 is arranged on the outer peripheral surface of bearing housing 2; Oil return cross-drilled hole 22 is arranged in end cap 1, and one end of oil return cross-drilled hole 22 is connected with the first oil-feed tank 24, and the other end of oil return cross-drilled hole 22 is connected with fuel-displaced vertical core 23.For strengthening oil return speed, a plurality of oil return cross-drilled holes 22 can be set.The first oil-feed tank 24 is groove, and the length direction of groove is identical with the circular arc direction of the inner peripheral surface at groove place, and the length direction of this groove is parallel to the direction that bearing housing 2 rotates around axle center.
Because the first oil-feed tank 24 adopts groove structure, when docking, the first oil-feed tank 24 and fuel-displaced inclined hole 11 be just very easy to, as long as any one section of groove can guarantee that with the outlet overlaid of fuel-displaced inclined hole 11 oil circuit is unimpeded, greatly reduced the probability that oil-returning structure stops up, and assembling time also has larger rich space and angle, assembling work also can be simplified.In addition, the first oil-feed tank 24 adopts groove, and the oil circuit bottom easier and groove of bearing housing 2 interior settings is communicated with, and generally, the interior meeting of bearing housing 2 arranges oil return cross-drilled hole, and is adding man-hour, and oil return cross-drilled hole is also more prone to channel bottom connecting.While adopting other oil circuit, its difficulty of processing also significantly reduces, and the bottom of groove also can connect many oil circuits simultaneously, is not only beneficial to processing, and can also guarantee that oil circuit is unimpeded.
On the basis of above-described embodiment, the degree of depth even variation of the trench length direction of the first oil-feed tank 24 and the middle part degree of depth are maximum, be that groove is " crescent shape " on section, the top length of groove is longer, can better dock with fuel-displaced inclined hole 11, the middle part of channel bottom bosom T in length direction, such shape is because the bottom section to groove, the top of groove dwindles gradually, can play certain throttling action to oil, avoid oil circuit to stop up when occurring turning to, played better guide functions; And such groove can directly adopt milling cutter to process.Oil return cross-drilled hole 22 is generally connected to the bosom, middle part of the first oil-feed tank 24.
On the basis of above-described embodiment, the width B of the groove of the first oil-feed tank 24 is more than or equal to the diameter of fuel-displaced inclined hole 11, can reduce to greatest extent like this difficulty of installing and adding docking in man-hour.While adopting milling cutter processing the utility model embodiment's groove, as Fig. 3, according to the width dimensions B of groove, select the width of side milling cutter, according to the inner periphery diameter D by milling, select milling cutter diameter.General milling cutter diameter is 1/3D～1/4D.
The present embodiment also provides a kind of axle box casing 5, comprising: the second oil-feed tank 52; The second oil-feed tank 52 is for connecting with the fuel-displaced vertical core 23 of bearing housing 2, and the second oil-feed tank 52 is arranged on casing 5 for the inner circumference cambered surface with bearing housing 2 docking; The second oil-feed tank 52 is groove, and the length direction of groove is identical with the circular arc direction of the inner peripheral surface at groove place.The second oil-feed tank 52 can import the oil of fuel-displaced vertical core 23 in the oil drain passage in casing 5; The second oil-feed tank 52 is connected with described oil drain passage.
The axle box casing of the present embodiment further optimized project is, the structure that the second oil-feed tank 52 is concrete and the improvement of structure can be identical with the structure of above-mentioned the first oil-feed tank 24.The second oil-feed slot part 52 bosoms are connected with the oil drain passage in casing.The width of the second oil-feed tank 52 is more than or equal to the diameter of fuel-displaced vertical core 23.Fig. 5 is that second oil-feed tank of oil-returning structure of the utility model embodiment axle box end cap oil back chamber is at upper box key plan, Fig. 6 be second oil-feed tank of oil-returning structure of the utility model embodiment axle box end cap oil back chamber at lower box key plan, the second oil-feed tank 52 is generally all arranged on casing 5 for the arc surface of reach bearing sleeve 2; During the also employing groove structure of the second oil-feed tank 52, reduced the assembling difficulty that bearing housing 2 docks with oil drain passage on casing 5, thereby make whole oil return circuit all there will not be obstruction, can solve fuel-displaced vertical core 23 and oil-feed vertical core 51 in prior art and when assembling, also be difficult to the problem aligning.The processing of the second oil-feed tank 52 also can adopt milling cutter directly to mill out.
As Fig. 4, the present embodiment also provides a kind of axle box, comprising: bearing housing 2 and axle box 5.Bearing housing 2 and axle box 5 can be any one bearing housing 2 or the axle box 5 in above-described embodiment, and the oil-feed tank on bearing housing 2 or axle box 5 all adopts the improvement of groove-shaped structure or its structure.The axle box of the present embodiment one of also can only comprise in bearing housing 2 and axle box 5.
At axle box under normal circumstances, bearing housing 2 is relative with end cap 1 static.The oil-returning structure of the present embodiment axle box for by 10 oil in end cap 1 oil back chamber through bearing housing 2 transportings to the oil drain passage of casing 5.Fuel-displaced inclined hole 11 is arranged in end cap 1 and is connected with oil back chamber 10, operated by rotary motion oil back chamber 10 bottoms tiltedly below, for by the long-pending oil derivation in oil back chamber 10; Long-pending oil enters bearing housing 2, enters the second oil-feed tank in axle box 5 docking cambered surfaces successively through the first oil-feed tank 24, oil return cross-drilled hole 22 and fuel-displaced vertical core 23; The second oil-feed tank 52 is arranged on casing 5 and with fuel-displaced vertical core 23 and connects, and the oil of fuel-displaced vertical core 23 can be imported in the oil drain passage in casing 5.
The utility model embodiment's axle box, because the first oil-feed tank in the oil-returning structure of end cap oil back chamber and the second oil-feed tank all adopt groove structure, they when the oilhole with corresponding docks as long as guarantee that any a section of groove can guarantee that with oilhole oil outlet overlaid oil circuit is unimpeded, greatly reduce the probability that oil-returning structure stops up, and also had larger rich space and angle during assembling.Add adopt groove structure man-hour the first oil-feed tank also the oil circuit more easily and in bearing housing connect, reduced difficulty of processing.
Finally it should be noted that: each embodiment, only in order to the technical solution of the utility model to be described, is not intended to limit above; Although the utility model is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technological scheme that still can record aforementioned each embodiment is modified, or some or all of technical characteristics is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of each embodiment's technological scheme of the utility model.
Claims (7)
1. a bearing housing, is characterized in that, comprising:
The first oil-feed tank connecting for the fuel-displaced inclined hole with end cap oil back chamber, is arranged on the inner peripheral surface of described bearing housing;
Be arranged on the fuel-displaced vertical core on the outer peripheral surface of described bearing housing;
Be arranged in described bearing housing and for connecting the oil return cross-drilled hole of described the first oil-feed tank and described fuel-displaced vertical core;
Described the first oil-feed tank is groove, and the length direction of described groove is identical with the circular arc direction of the inner peripheral surface at described groove place.
2. bearing housing according to claim 1, is characterized in that, the degree of depth even variation of described trench length direction and the middle part degree of depth are maximum.
3. bearing housing according to claim 2, is characterized in that, the width of described groove is more than or equal to the diameter of described fuel-displaced inclined hole.
4. an axle box casing, is characterized in that, comprising:
The second oil-feed tank connecting for the fuel-displaced vertical core with bearing housing, is arranged on described casing for the inner circumference cambered surface with described bearing housing docking;
Described the second oil-feed tank is groove, and the length direction of described groove is identical with the circular arc direction of the inner peripheral surface at described groove place.
5. axle box casing according to claim 4, is characterized in that, the degree of depth even variation of described trench length direction and the middle part degree of depth are maximum.
6. axle box casing according to claim 5, is characterized in that, the width of described the second oil-feed tank is more than or equal to the diameter of described fuel-displaced vertical core.
7. an axle box, is characterized in that, comprising:
The arbitrary described bearing housing of claim 1-3; Or/and, the arbitrary described axle box casing of claim 4-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320745980.9U CN203585092U (en) | 2013-11-21 | 2013-11-21 | Bearing sleeve, box body of axle box and axle box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320745980.9U CN203585092U (en) | 2013-11-21 | 2013-11-21 | Bearing sleeve, box body of axle box and axle box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203585092U true CN203585092U (en) | 2014-05-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320745980.9U Expired - Fee Related CN203585092U (en) | 2013-11-21 | 2013-11-21 | Bearing sleeve, box body of axle box and axle box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203585092U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730353A (en) * | 2018-07-17 | 2018-11-02 | 安徽南方化工泵业有限公司 | A kind of high-performance dust-proof machine sealing structure |
-
2013
- 2013-11-21 CN CN201320745980.9U patent/CN203585092U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730353A (en) * | 2018-07-17 | 2018-11-02 | 安徽南方化工泵业有限公司 | A kind of high-performance dust-proof machine sealing structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 102202 Beijing city Changping District South Town Road North South Town West No. 584 No. 585 Patentee after: Beijing Zhongche Nankow Machinery Co. Ltd. Address before: 102202 Beijing city Changping District town of South Road North Patentee before: Beijing NanKou Railway Transit Machinery Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20191121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |