CN109733435A - Gauge-changeable wheelsets lubrication system and gauge-changeable wheelsets - Google Patents
Gauge-changeable wheelsets lubrication system and gauge-changeable wheelsets Download PDFInfo
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- CN109733435A CN109733435A CN201910002745.4A CN201910002745A CN109733435A CN 109733435 A CN109733435 A CN 109733435A CN 201910002745 A CN201910002745 A CN 201910002745A CN 109733435 A CN109733435 A CN 109733435A
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- Prior art keywords
- wheel
- axle
- gauge
- oil filler
- filler point
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F17/00—Lubrication specially adapted for axle-boxes of rail vehicles
- B61F17/30—Lubrication specially adapted for axle-boxes of rail vehicles with grease
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F7/00—Rail vehicles equipped for use on tracks of different width
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Gasket Seals (AREA)
- Mounting Of Bearings Or Others (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The present invention relates to rail vehicle gauge changing field, a kind of gauge-changeable wheelsets lubrication system and gauge-changeable wheelsets, including wheel, axle and slipping mechanism are provided；Wheel is slidingly disposed at the both ends of axle, and slipping mechanism is connected to the outside of wheel, and is located in the axle box at axle both ends, and wheel realizes unlock and locking by the slipping mechanism；Sealing structure is equipped between the inside of the wheel and the axle, the first cavity is formed between the inside of the wheel and the axle and the sealing structure, it is formed with the second cavity between the outside of the wheel and the slipping mechanism, third cavity is formed between the slipping mechanism and the axle box；The wheel is equipped with the first oil filler point for leading to the wheel Yu axle junction, and the axle box is equipped with the second oil filler point for leading to the slipping mechanism.The present invention can increase the lubrication of rubbing surface, reduce the abrasion at crucial position easy to wear, improve the bulk life time of gauge-changeable wheelsets.
Description
Technical field
The present invention relates to rail vehicle gauge changing technical field, more particularly to a kind of gauge-changeable wheelsets lubrication system and
Gauge-changeable wheelsets.
Background technique
With the rapid development of global economic integration, transnational passenger and freight transportation rapid development in recent years, however by
It is different in the gauge of various countries' railway, so that the railway transportation to transnational causes serious obstruction.In order to solve various countries' railway
Gauge difference causes the problem of hindering to transnational railway transportation, gauge-changeable wheelsets is proposed to this, i.e., when train driving arrives
When on the railway of its state, by changing itself wheel to the spacing between upper wheel, to adapt to the gauge of its state's railway.
Upper slipping mechanism can be slid with respect to axle with the pushing of ground guided way by becoming during rail to take turns, wheel and
Relative friction can occur between axle, slipping mechanism and axle, need to use Lubrication Design to crucial position easy to wear.
Summary of the invention
(1) technical problems to be solved
The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.
The object of the present invention is to provide a kind of gauge-changeable wheelsets lubrication system and gauge-changeable wheelsets, to reduce crucial easily mill
The abrasion for damaging position, improves the bulk life time of gauge-changeable wheelsets.
(2) technical solution
In order to solve the above-mentioned technical problem, the embodiment of the present invention provides a kind of gauge-changeable wheelsets lubrication system comprising
Wheel, axle and slipping mechanism；The wheel is slidingly disposed at the both ends of the axle, and the slipping mechanism is connected to
The outside of the wheel, and be located in the axle box at the axle both ends, the wheel realizes unlock by the slipping mechanism
With locking；Be equipped with sealing structure between the inside of the wheel and the axle, the inside of the wheel and the axle and
It is formed with the first cavity between the sealing structure, the second sky is formed between the outside of the wheel and the slipping mechanism
Chamber is formed with third cavity between the slipping mechanism and the axle box；The wheel, which is equipped with, leads to the wheel and vehicle
First oil filler point of shaft connection place, the axle box are equipped with the second oil filler point for leading to the slipping mechanism.
In the embodiment of the present invention, the slipping mechanism includes inner sleeve, the inner sleeve and the axle clearance fit,
One end of the inner sleeve towards the wheel is extended the axle box and is fastenedly connected with the wheel, the inner sleeve
There are gauge changing space between elongated end and the axle, the gauge changing space forms second cavity.
In the embodiment of the present invention, the slipping mechanism further includes rolling bearing and outer sleeve, the inner sleeve, the axis of rolling
It holds and is successively tightly sleeved from inside to outside with outer sleeve, the internal surface gaps of the outer sleeve and the axle box cooperate；It is described outer
The third cavity is formed between the outer end face of sleeve and the outer end cap of the axle box.
In the embodiment of the present invention, the opposite sides outside the outer sleeve is respectively equipped with axially extending along the outer sleeve
Boss is equipped at intervals with multiple grooves along the length direction of the boss, and the inner wall of the axle box is equipped with the groove one by one
Corresponding inner concave arc surface, the axle box, which is located in the locking space that the groove and the inner concave arc surface limit, is equipped with locking
Pin, the axle box are additionally provided with the third oil filler point for being connected to the inner concave arc surface.
In the embodiment of the present invention, the third oil filler point is set to the side wall of the corresponding axle box of the locking pin.
In the embodiment of the present invention, the axially extending bore being slidably matched with the outer sleeve is equipped in the axle box, it is described
Second oil filler point is vertically arranged from the top of the axle box and/or bottom and is connected to the axially extending bore.
In the embodiment of the present invention, the axle is located at being radially provided between the sealing structure on the inside of the wheel
Oil storage tank forms first cavity between the wheel inside, oil storage tank and the sealing structure.
In the embodiment of the present invention, the sealing structure includes outer ring, inner ring and resilient sleeve, and the internal diameter of the outer ring is greater than
The outer diameter of inner ring, one end of the resilient sleeve are fixedly connected with the inner circumferential of the outer ring, the other end of the resilient sleeve with it is described
The periphery of inner ring is fixedly connected, and the outer ring can drive the resilient sleeve mobile relative to the inner ring；The outer ring is for fixing
Be set on the wheel hub of the wheel, the inner ring is set in the axle for fixed, the outer ring, resilient sleeve, inner ring,
First cavity is formed between the wheel hub of wheel and the oil storage tank of the axle.
In the embodiment of the present invention, the inner circumferential of the wheel is equipped with internal spline, and the both ends of the axle are respectively equipped with outer flower
The both ends of key, the wheel and the axle are cooperatively connected by internal spline and external splines；The outlet position of first oil filler point
In groove between two adjacent spline tooths of the internal spline.
In the embodiment of the present invention, first oil filler point include it is multiple, multiple first oil filler points are evenly arranged on described
The medial surface of wheel is circumferential, and first oil filler point inclines from the junction of medial surface towards the wheel and axle of the wheel
Tiltedly setting.
In the embodiment of the present invention, the entrance of first oil filler point, the second oil filler point and third oil filler point is all provided with
There is an internal thread segment, is twisted by threaded male fastener and be located at the entrance sealing that corresponding internal thread segment realizes each oil filler point.
Another embodiment of the present invention also provides a kind of gauge-changeable wheelsets comprising gauge changing described in above-mentioned technical proposal
Wheel is to lubrication system.
(3) beneficial effect
Compared with prior art, the invention has the following advantages that
A kind of gauge-changeable wheelsets lubrication system provided in an embodiment of the present invention comprising wheel, axle and slipping mechanism；
The wheel is slidingly disposed at the both ends of the axle, and the slipping mechanism is connected to the outside of the wheel, and position
In the axle box at the axle both ends, the wheel realizes unlock and locking by the slipping mechanism；The wheel it is interior
It is equipped with sealing structure between side and the axle, is formed between the inside of the wheel and the axle and the sealing structure
Have the first cavity, be formed with the second cavity between the outside of the wheel and the slipping mechanism, the slipping mechanism with it is described
Third cavity is formed between axle box；The wheel is equipped with the first oil filler point for leading to the wheel Yu axle junction,
By injecting the junction of wheel and axle described in grease lubrication to first oil filler point, and lubricating grease is stored in described
In first cavity, the axle box, which is equipped with, leads to the second oil filler point of the slipping mechanism, by second oil filler point
It injects described in grease lubrication between slipping mechanism and the axle box, and lubricating grease is stored in the third cavity, institute
It states and is coated with lubricating grease at slipping mechanism and the axle cooperation, lubricate between the slipping mechanism and the axle, and will profit
Consistent lubricant is stored in second cavity；Under the unchanged track-like state of wheel, lubricating grease is stored in corresponding cavity, becomes rail in wheel
Slipping mechanism moves in the process, and each cavity volume variation, lubricating grease can be extruded flowing, fills in rubbing surface, forms lubricant layer,
Play the role of lubrication and protect rubbing surface, to reduce the abrasion at crucial position easy to wear, to improve the whole of gauge-changeable wheelsets
Body life time；
In addition, being lubricated the maintenance and supplement of rouge at any time by the first oil filler point of setting and the second oil filler point.
Detailed description of the invention
Fig. 1 is a kind of fragmentary axial cross-section of gauge-changeable wheelsets lubrication system of the embodiment of the present invention；
Fig. 2 is the cross section view of axle box in the embodiment of the present invention；
Fig. 3 is the schematic diagram of wheel in the embodiment of the present invention；
Fig. 4 is B-B cross-sectional view in Fig. 3；
In figure: 1: wheel；2: axle；3: inner sleeve；4: rolling bearing；5: outer sleeve；51: axially extending bore；6: sealing knot
Structure；7: the first cavitys；8: the second cavitys；9: third cavity；10: the first oil filler points；11: the second oil filler points；12: third oiling
Hole；13: axle box.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, concrete condition can be regarded and understand that above-mentioned term exists
Concrete meaning in the present invention.
In addition, in the description of the present invention, unless otherwise indicated, " multiple ", " more ", " multiple groups " be meant that two or
It is more than two.
As shown in Figure 1, the embodiment of the invention provides a kind of gauge-changeable wheelsets lubrication systems comprising wheel 1, axle
2 and slipping mechanism；The wheel 1 is slidingly disposed at the both ends of the axle 2, and the slipping mechanism is connected to the vehicle
Wheel 1 outside, and be located at 2 both ends of axle axle box 13 in, the wheel 1 by the slipping mechanism realize unlock with
Locking；Be equipped with sealing structure 6 between the inside and the axle 2 of the wheel 1, the inside of the wheel 1 and the axle 2 with
And the first cavity 7 is formed between the sealing structure 6, is formed between the outside and the slipping mechanism of the wheel 1
Two cavitys 8, are formed with third cavity 9 between the slipping mechanism and the axle box 13；As shown in figure 3, being set on the wheel 1
There is the first oil filler point 10 for leading to the wheel 1 and 2 junction of axle, in 1 gauge changing of wheel, wheel 1 can the opposite shifting of axle 2
It is dynamic, it is rubbing surface between wheel 1 and axle 2, by injecting wheel 1 and vehicle described in grease lubrication to first oil filler point 10
The junction of axis 2 forms lubricant layer in rubbing surface, and lubricating grease is stored in first cavity 7, as shown in Fig. 2, described
Axle box 13 is equipped with the second oil filler point 11 for leading to the slipping mechanism；In 1 gauge changing of wheel, slipping mechanism is with wheel 1
It moves together, slipping mechanism is mobile relative to axle box 13, forms rubbing surface between axle box 13；By to second oiling
Hole 11 is injected described in grease lubrication between slipping mechanism and the axle box 13, forms lubricant layer, and lubricating grease is stored in
In the third cavity 9, when wheel 1 is mobile, slipping mechanism is moved along axle 2, similarly, between slipping mechanism and axle 2
There is rubbing surface, is coated with lubricating grease at the slipping mechanism and 2 cooperation of axle, lubricates the slipping mechanism and the axle
Between 2, lubricant layer is formed, and lubricating grease is stored in second cavity 8；Under the unchanged track-like state of wheel 1, lubricating grease is deposited
Storage is in corresponding cavity, and slipping mechanism moves during wheel 1 becomes rail, and each cavity volume variation, lubricating grease can be extruded production
Raw flowing forms lubricant layer, plays the role of lubrication and protect rubbing surface, be conducive to lubricating efficiency in corresponding rubbing surface filling
Promotion, to reduce the abrasion at crucial position easy to wear, to improve the bulk life time of gauge-changeable wheelsets.
In the embodiment of the present invention, specifically, the slipping mechanism includes inner sleeve 3, the inner sleeve 3 and the axle
2 clearance fits, one end of the inner sleeve 3 towards the wheel 1 are extended the axle box 13 and are passed through with the wheel 1 tight
Firmware is fastenedly connected, and there are gauge changing spaces between the elongated end and the axle 2 of the inner sleeve 3, to guarantee becoming rail
Away from when, inner sleeve 3 has enough distances moved along axle 2, without being interfered with axle 2, the gauge changing space
Form second cavity 8；Specifically, the axle 2 is set as the multi-diameter shaft that mid diameter is greater than both ends diameter, the wheel
1 is set on the jackshaft of the multi-diameter shaft and is divided into the both ends of the jackshaft, and the slipping mechanism is set to the multi-diameter shaft
Two end axles on；One end that the inner sleeve 3 is connect with the wheel 1 is set as the stepped hole extended out, the stepped hole it is big
The outer diameter of the jackshaft of hole internal diameter and the multi-diameter shaft is adapted, the both ends of the hole diameter of the stepped hole and the multi-diameter shaft
The internal diameter of axis is adapted；There are the gauge changing space between the macropore of the stepped hole and the shaft shoulder of the multi-diameter shaft, with
Form second cavity 8；Before slipping mechanism installation, first the correspondent section in inner sleeve 3 or outside axle 2 smears lubrication
Then inner sleeve 3 is set on axle 2 and connect with wheel 1 by rouge, lubricating grease has certain mobility, extra lubrication
Rouge is stored in the second cavity 8, and during gauge changing, lubricating grease can be extruded flowing, between inner sleeve 3 and axle 2
Rubbing surface filling, forms lubricant layer, plays the role of reducing friction and protection inner sleeve 3 and axle 2.
In the embodiment of the present invention, the slipping mechanism further includes rolling bearing 4 and outer sleeve 5, the inner sleeve 3, rolling
Dynamic bearing 4 and outer sleeve 5 are successively tightly sleeved from inside to outside, when wheel 1 rotates, the inner ring of inner sleeve 3 and rolling bearing 4
It is rotated together with wheel 1, the outer ring of outer sleeve 5 and rolling bearing 4 keeps relatively fixed, the outer sleeve 5 and the axle box
13 internal surface gaps cooperation is moved convenient for outer sleeve 5 and inner sleeve 3,4 entirety of rolling bearing along axle box 13；The housing
There are the mobile spaces of slipping mechanism to form the third cavity 9 between the outer end face of cylinder 5 and the outer end cap of the axle box 13,
For filling between grease lubrication outer sleeve 5 and axle box 13.
In the embodiment of the present invention, the opposite sides outside the outer sleeve 5 is respectively equipped with axially extending along the outer sleeve 5
Boss, be equipped at intervals with multiple grooves along the length direction of the boss, the inner wall of the axle box 13 is equipped with and the groove
One-to-one inner concave arc surface, the axle box 13, which is located in the locking space that the groove and the inner concave arc surface limit, to be equipped with
Locking pin is inserted into the locking space that the groove and the inner concave arc surface limit by locking pin, and existed under external force
Switch between multiple locking spaces, to realize that wheel 1 converts gauge.Specifically, when locking pin is inserted into locking space, lock
In the grooves, another part is bonded a part tightly sold with inner concave arc surface, and outer sleeve 5 is consolidated relative to 13 position of axle box
It is fixed, locking is realized, at this point, wheel 1 is fixed relative to 2 position of axle；When needing gauge changing, locking pin takes off under external force
Locking space from place is realized and is unlocked, in the present embodiment, it is preferred to use it is empty that upward thrust makes locking pin be detached from locking
Between, at this point, wheel 1 is pushed inwardly or outwardly to move along axle 2, drive slipping mechanism whole relative to axle box 13 and lock therewith
Tight pin movement, when it is corresponding with institute's gauge changing lock space and be moved to the underface of locking pin when, locking pin in self gravity and
The locking space is inserted under the action of downward force, 1 gauge changing of wheel is completed.The axle box 13 is additionally provided with the connection imploded arcs
The third oil filler point 12 in face injects lubricating grease from third oil filler point 12 to the inner concave arc surface of axle box 13 to facilitate, to lubricate
Locking pin and the locking space where it are stated, to reduce when locking pin moves up and down between axle box 13 and outer sleeve 5
Friction.
In the embodiment of the present invention, as shown in Fig. 2, third oil filler point 12 is arranged for convenience, the third oil filler point 12
Set on the side wall of the corresponding axle box 13 of the locking pin, the lubricating grease injected from third oil filler point 12 can be flowed and be covered
Cover the locking space between entire inner concave arc surface and the groove of outer sleeve 5.
In the embodiment of the present invention, it is slidably matched as shown in Fig. 2, being equipped in the axle box 13 with the outer sleeve 5
Axially extending bore 51, second oil filler point 11 be vertically arranged from the top of the axle box 13 and/or bottom and with the axial direction
Through-hole 51 is connected to, thus it is convenient from the top of axle box 13 inject from the top down grease lubrication axle box 13 and outer sleeve 5 it
Between, it is of course also possible to be injected between grease lubrication axle box 13 and outer sleeve 5 from bottom to top from the bottom of axle box 13, it is
The space between axle box 13 and outer sleeve 5 can be covered comprehensively, can be arranged simultaneously in the top and bottom of axle box 13
In order to improve injection efficiency multiple second oilings can be arranged in the top and bottom of axle box 13 simultaneously in second oil filler point 11
Hole 11.
In the embodiment of the present invention, for the ease of lubricating grease storage, the axle 2 be located at 1 inside of the wheel with it is described
It is radially provided with oil storage tank between sealing structure 6, between 1 inside of wheel, oil storage tank and the sealing structure 6 described in formation
First cavity 7.
In the embodiment of the present invention, specifically, the sealing structure 6 includes outer ring, inner ring and resilient sleeve, the outer ring
Internal diameter is greater than the outer diameter of inner ring, and one end of the resilient sleeve is fixedly connected with the inner circumferential of the outer ring, the resilient sleeve it is another
End is fixedly connected with the periphery of the inner ring, and the outer ring can drive the resilient sleeve mobile relative to the inner ring；The outer ring
For the fixed wheel hub for being set in the wheel 1, the inner ring is set in the axle 2 for fixation, when gauge changing,
Outer ring is moved together with wheel 1, and resilient sleeve utilizes the changeability and restorability of its shape, and outer ring is followed to move together, interior
Ring is fixed, wheel 1 and the sealing problem during 2 Relative sliding of axle, the outer ring, elasticity when solving gauge changing
First cavity 7 is formed between set, inner ring, the wheel hub of wheel 1 and the oil storage tank of the axle 2, by the first cavity 7
Lubricating grease is stored, to keep the continuous lubrication between wheel 1 and axle 2, is avoided between inner ring, outer ring because relative movement generates
Sealing part abrasion, and good seal performance, No leakage.
In the embodiment of the present invention, the inner circumferential of the wheel 1 is equipped with internal spline, and the both ends of the axle 2 are respectively equipped with outer
The both ends of spline, the wheel 1 and the axle 2 are cooperatively connected by internal spline and external splines, both convenient for transmitting torque, also just
It is mobile in wheel 1；The outlet of first oil filler point 10 is located in the groove between two adjacent spline tooths of the internal spline,
In order to the storage after lubricating grease injection, while should be avoided convenient for the formation of lubricant layer by the first oil filler point 10 when spline engagement
It is arranged on the spline tooth of internal spline, to reduce the first oil filler point 10 to the strength reduction of internal spline.
As shown in figure 3, first oil filler point 10 includes multiple, multiple first oilings in the embodiment of the present invention
The medial surface that hole 10 is evenly arranged on the wheel 1 is circumferential, from regardless of how wheel 1 is parked, there is the first oiling of proper angle
Lubricating grease is injected in hole 10, as shown in figure 4, first oil filler point 10 is from the medial surface of the wheel 1 towards wheel 1 and axle 2
Junction be obliquely installed, flow into wheel 1 and the junction of axle 2 convenient for lubricating grease and be lubricated.
In the embodiment of the present invention, the import of first oil filler point 10, the second oil filler point 11 and third oil filler point 12
Place is equipped with an internal thread segment, is twisted by threaded male fastener and is located at corresponding internal thread segment and realizes that the entrance of each oil filler point is close
Envelope is avoided when vehicle high-speed is run, and lubricating grease is thrown away from oil filler point, plays reliable sealing function.Pass through each oil filler point
Setting, convenient for being lubricated the maintenance and supplement of rouge at any time.
Another embodiment of the present invention also provides a kind of gauge-changeable wheelsets comprising gauge changing described in above-mentioned technical proposal
Wheel is to lubrication system.Reduce between crucial position such as wheel 1 and axle 2 easy to wear, between inner sleeve 3 and axle 2 with
And the abrasion between outer sleeve 5 and axle box 13 etc., to improve the bulk life time of gauge-changeable wheelsets.
As can be seen from the above embodiments, the present invention becomes rail mistake in wheel by the way that lubricating grease to be stored in corresponding cavity
Slipping mechanism moves in journey, and each cavity volume variation, lubricating grease is extruded flowing and fills in rubbing surface, forms lubricant layer and plays profit
The effect of rubbing surface is slided and protects, to reduce the abrasion at crucial position easy to wear, to improve the bulk life time of gauge-changeable wheelsets.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (12)
1. a kind of gauge-changeable wheelsets lubrication system, which is characterized in that including wheel, axle and slipping mechanism；The wheel can
The both ends of the axle are slidably set to, the slipping mechanism is connected to the outside of the wheel, and is located at the axle
In the axle box at both ends, the wheel realizes unlock and locking by the slipping mechanism；The inside of the wheel and the vehicle
It is equipped with sealing structure between axis, the first sky is formed between the inside of the wheel and the axle and the sealing structure
Chamber, is formed with the second cavity between the outside of the wheel and the slipping mechanism, the slipping mechanism and the axle box it
Between be formed with third cavity；The wheel is equipped with the first oil filler point for leading to the wheel Yu axle junction, the axle box
Body is equipped with the second oil filler point for leading to the slipping mechanism.
2. gauge-changeable wheelsets lubrication system according to claim 1, which is characterized in that the slipping mechanism includes inner sleeve
Cylinder, the inner sleeve and the axle clearance fit, the axle box is extended in one end of the inner sleeve towards the wheel
And be fastenedly connected with the wheel, there are gauge changing space, the rails between the elongated end of the inner sleeve and the axle
Second cavity is formed away from transformation space.
3. gauge-changeable wheelsets lubrication system according to claim 2, which is characterized in that the slipping mechanism further includes rolling
Dynamic bearing and outer sleeve, the inner sleeve, rolling bearing and outer sleeve are successively tightly sleeved from inside to outside, the outer sleeve and institute
State the internal surface gaps cooperation of axle box；Described is formed between the outer end face of the outer sleeve and the outer end cap of the axle box
Three cavitys.
4. gauge-changeable wheelsets lubrication system according to claim 3, which is characterized in that opposite two outside the outer sleeve
Side is respectively equipped with the boss axially extending along the outer sleeve, is equipped at intervals with multiple grooves, institute along the length direction of the boss
The inner wall for stating axle box, which is equipped with, is located at the groove and described interior with the one-to-one inner concave arc surface of the groove, the axle box
Locking pin is equipped in the locking space that cancave cambered surface limits, the axle box is additionally provided with the third oiling for being connected to the inner concave arc surface
Hole.
5. gauge-changeable wheelsets lubrication system according to claim 4, which is characterized in that the third oil filler point is set to institute
State the side wall of the corresponding axle box of locking pin.
6. gauge-changeable wheelsets lubrication system according to claim 3, which is characterized in that be equipped with and institute in the axle box
The axially extending bore that outer sleeve is slidably matched is stated, second oil filler point is vertically arranged from the top of the axle box and/or bottom
And it is connected to the axially extending bore.
7. gauge-changeable wheelsets lubrication system according to claim 1, which is characterized in that the axle is located at the wheel
It is radially provided with oil storage tank between inside and the sealing structure, between the wheel inside, oil storage tank and the sealing structure
Form first cavity.
8. gauge-changeable wheelsets lubrication system according to claim 7, which is characterized in that the sealing structure includes outer
Ring, inner ring and resilient sleeve, the internal diameter of the outer ring are greater than the outer diameter of inner ring, the inner circumferential of one end of the resilient sleeve and the outer ring
It is fixedly connected, the other end of the resilient sleeve is fixedly connected with the periphery of the inner ring, and the outer ring can drive the resilient sleeve
It is mobile relative to the inner ring；The outer ring is arranged for the fixed wheel hub for being set in the wheel, the inner ring for fixation
On the axle, described is formed between the outer ring, resilient sleeve, inner ring, the wheel hub of wheel and the oil storage tank of the axle
One cavity.
9. gauge-changeable wheelsets lubrication system according to claim 1, which is characterized in that the inner circumferential of the wheel is equipped with interior
Spline, the both ends of the axle are respectively equipped with external splines, and the both ends of the wheel and the axle pass through internal spline and external splines
It is cooperatively connected；The outlet of first oil filler point is located in the groove between two adjacent spline tooths of the internal spline.
10. gauge-changeable wheelsets lubrication system according to claim 1, which is characterized in that first oil filler point includes
Multiple, the medial surface that multiple first oil filler points are evenly arranged on the wheel is circumferential, and first oil filler point is from the wheel
The junction of medial surface towards the wheel and axle is obliquely installed.
11. gauge-changeable wheelsets lubrication system according to claim 4, which is characterized in that first oil filler point, second
The entrance of oil filler point and third oil filler point is equipped with an internal thread segment, is twisted by threaded male fastener and is located at corresponding interior spiral shell
Line section realizes the entrance sealing of each oil filler point.
12. a kind of gauge-changeable wheelsets, which is characterized in that including the described in any item gauge-changeable wheelsets profits of such as claim 1-11
Slipped Clove Hitch structure.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910002745.4A CN109733435B (en) | 2019-01-02 | 2019-01-02 | Lubricating structure for variable-gauge wheel set and variable-gauge wheel set |
| EP19907009.5A EP3831688B1 (en) | 2019-01-02 | 2019-10-10 | Lubricating structure for gauge-changeable wheelset and gauge-changeable wheelset |
| RU2021107029A RU2758162C1 (en) | 2019-01-02 | 2019-10-10 | Lubricant construction for variable wheelset and variable wheelset |
| PCT/CN2019/110241 WO2020140527A1 (en) | 2019-01-02 | 2019-10-10 | Lubricating structure for gauge-changeable wheelset and gauge-changeable wheelset |
| JP2021546036A JP7229376B2 (en) | 2019-01-02 | 2019-10-10 | Lubrication structure for variable gauge wheel set and variable gauge wheel set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910002745.4A CN109733435B (en) | 2019-01-02 | 2019-01-02 | Lubricating structure for variable-gauge wheel set and variable-gauge wheel set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109733435A true CN109733435A (en) | 2019-05-10 |
| CN109733435B CN109733435B (en) | 2020-01-10 |
Family
ID=66363073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910002745.4A Active CN109733435B (en) | 2019-01-02 | 2019-01-02 | Lubricating structure for variable-gauge wheel set and variable-gauge wheel set |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3831688B1 (en) |
| JP (1) | JP7229376B2 (en) |
| CN (1) | CN109733435B (en) |
| RU (1) | RU2758162C1 (en) |
| WO (1) | WO2020140527A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020140527A1 (en) * | 2019-01-02 | 2020-07-09 | 中车青岛四方机车车辆股份有限公司 | Lubricating structure for gauge-changeable wheelset and gauge-changeable wheelset |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114857177B (en) * | 2022-04-29 | 2023-10-10 | 大连日牵电机有限公司 | Air pressure balancing structure of rolling bearing for traction motor |
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| DE4405861A1 (en) * | 1993-03-03 | 1994-09-08 | Pkp Ts B K | Wheel set with displaceable wheels |
| CN1227806A (en) * | 1997-04-11 | 1999-09-08 | Gkn自动车公开股份有限公司 | Transmission assembly with axial mobility |
| DE19960706C2 (en) * | 1999-12-16 | 2002-06-27 | Fag Ind Bearings Ag | Device for a housing with a cover for wheel sets of rail vehicles |
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| CN107697090A (en) * | 2017-09-26 | 2018-02-16 | 中车株洲电力机车有限公司 | A kind of bogie |
| CN108407839A (en) * | 2018-04-13 | 2018-08-17 | 中车青岛四方机车车辆股份有限公司 | A kind of sealing structure for gauge-changeable wheelsets |
| CN108909759A (en) * | 2018-07-05 | 2018-11-30 | 中车青岛四方机车车辆股份有限公司 | A kind of wheel pair for gauge change train |
| CN108909358A (en) * | 2018-07-05 | 2018-11-30 | 中车青岛四方机车车辆股份有限公司 | A kind of gauge-changeable wheelsets and gauge-changeable bogie |
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| US173000A (en) * | 1876-02-01 | Improvement in car-axles | ||
| DE6948863U (en) * | 1969-12-17 | 1970-04-02 | Skf Kugellagerfabriken Gmbh | RE-TRACKABLE WHEEL FOR RAIL VEHICLES |
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| JP4216000B2 (en) * | 2002-05-15 | 2009-01-28 | 財団法人鉄道総合技術研究所 | Wheel shaft and bogie with variable gauge mechanism |
| DE10239957A1 (en) * | 2002-08-26 | 2004-03-25 | Bombardier Transportation Gmbh | Power truck for a rail vehicle, especially a rail vehicle with adjustable track width, comprises a frame device and two wheel units supporting the frame device and driven by a drive device arranged on the frame device |
| CN103479363B (en) * | 2013-09-30 | 2015-03-18 | 深圳市倍轻松科技股份有限公司 | Method and system for measuring oxyhemoglobin saturation in blood |
| CN108583609B (en) * | 2018-04-13 | 2019-09-24 | 中车青岛四方机车车辆股份有限公司 | A kind of retaining mechanism for gauge-changeable wheelsets |
| CN109733435B (en) * | 2019-01-02 | 2020-01-10 | 中车青岛四方机车车辆股份有限公司 | Lubricating structure for variable-gauge wheel set and variable-gauge wheel set |
-
2019
- 2019-01-02 CN CN201910002745.4A patent/CN109733435B/en active Active
- 2019-10-10 JP JP2021546036A patent/JP7229376B2/en active Active
- 2019-10-10 RU RU2021107029A patent/RU2758162C1/en active
- 2019-10-10 EP EP19907009.5A patent/EP3831688B1/en active Active
- 2019-10-10 WO PCT/CN2019/110241 patent/WO2020140527A1/en unknown
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4405861A1 (en) * | 1993-03-03 | 1994-09-08 | Pkp Ts B K | Wheel set with displaceable wheels |
| CN1227806A (en) * | 1997-04-11 | 1999-09-08 | Gkn自动车公开股份有限公司 | Transmission assembly with axial mobility |
| DE19960706C2 (en) * | 1999-12-16 | 2002-06-27 | Fag Ind Bearings Ag | Device for a housing with a cover for wheel sets of rail vehicles |
| CN105492292A (en) * | 2013-07-11 | 2016-04-13 | Ogi幅变轴公司 | Railway axle with automatic change to multiple track widths |
| CN107697090A (en) * | 2017-09-26 | 2018-02-16 | 中车株洲电力机车有限公司 | A kind of bogie |
| CN108407839A (en) * | 2018-04-13 | 2018-08-17 | 中车青岛四方机车车辆股份有限公司 | A kind of sealing structure for gauge-changeable wheelsets |
| CN108909759A (en) * | 2018-07-05 | 2018-11-30 | 中车青岛四方机车车辆股份有限公司 | A kind of wheel pair for gauge change train |
| CN108909358A (en) * | 2018-07-05 | 2018-11-30 | 中车青岛四方机车车辆股份有限公司 | A kind of gauge-changeable wheelsets and gauge-changeable bogie |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020140527A1 (en) * | 2019-01-02 | 2020-07-09 | 中车青岛四方机车车辆股份有限公司 | Lubricating structure for gauge-changeable wheelset and gauge-changeable wheelset |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2022508785A (en) | 2022-01-19 |
| RU2758162C1 (en) | 2021-10-26 |
| EP3831688A1 (en) | 2021-06-09 |
| EP3831688A4 (en) | 2021-11-17 |
| JP7229376B2 (en) | 2023-02-27 |
| CN109733435B (en) | 2020-01-10 |
| EP3831688B1 (en) | 2024-06-12 |
| WO2020140527A1 (en) | 2020-07-09 |
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