CN105774837B - A kind of railway freight-car and its side compression type elastic side bearing - Google Patents

A kind of railway freight-car and its side compression type elastic side bearing Download PDF

Info

Publication number
CN105774837B
CN105774837B CN201610280058.5A CN201610280058A CN105774837B CN 105774837 B CN105774837 B CN 105774837B CN 201610280058 A CN201610280058 A CN 201610280058A CN 105774837 B CN105774837 B CN 105774837B
Authority
CN
China
Prior art keywords
side bearing
car body
elastomer
car
compression type
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201610280058.5A
Other languages
Chinese (zh)
Other versions
CN105774837A (en
Inventor
刘振明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CRRC Qiqihar Rolling Stock Co Ltd
China State Railway Group Co Ltd
Original Assignee
CRRC Qiqihar Rolling Stock Co Ltd
China Railway Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CRRC Qiqihar Rolling Stock Co Ltd, China Railway Corp filed Critical CRRC Qiqihar Rolling Stock Co Ltd
Priority to CN201610280058.5A priority Critical patent/CN105774837B/en
Publication of CN105774837A publication Critical patent/CN105774837A/en
Application granted granted Critical
Publication of CN105774837B publication Critical patent/CN105774837B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61FRAIL 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
    • B61F5/00Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/02Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
    • B61F5/14Side bearings
    • B61F5/142Side bearings made of rubber elements, graphite or the like

Abstract

The invention discloses railway freight-car and its side compression type elastic side bearings, side compression type elastic side bearing includes elastomer, is fixedly arranged on the side bearing of bogie and is fixedly arranged on the car body side bearing body of car body, car body side bearing body is by elastomer pre-pressing in side bearing, and elastomer and car body side bearing body are by being adapted arc surface compression fit.Precompression is generated between its elastomer and car body side bearing body, when car body is turned round around bogie cartridge, frictional force is generated between the seal face of both car body side bearing body and elastomer, this frictional force can provide the steering resistance square between car body and bogie, the size of the steering resistance square from car body weight influence, even if very light car body, big steering resistance square still can be realized, thus to solve the problems, such as that the light vehicle empty wagons steering resistance square of car body weight is insufficient.

Description

A kind of railway freight-car and its side compression type elastic side bearing
Technical field
The present invention relates to transport railway freight-car technical field, more particularly to a kind of railway freight-car and its side compression type elasticity are other It holds.
Background technology
The higher railway freight-car of the speed of service usually sets the Constant-Contact Resilient Side Bearings, and car body is undertaken by cartridge and elastic side bearing Weight, elastic side bearing is deformed by car body lateral pressure after vehicle completion, and elastic force caused by deformation makes car body body side bearer There are normal pressure between lower surface and the upper surface of the elastic side bearing, transported in bogie compared with revolution of the car body generation around vertical axis When dynamic, the frictional force between two surfaces makes to generate steering resistance square between bogie and car body, which, which can inhibit and decay, turns To frame compared with the rotary vibration between car body, so as to control the yawing of car body, vehicle operation stability is improved.
3 ˊ of the elastic side bearing is located between 1 ˊ of 2 ˊ of bogie and car body, is usually located at the left and right sides of 21 ˊ of bogie cartridge, As shown in Figure 1 to Figure 3, wherein, Fig. 1 shows existing railway freight-car partial lateral structure diagram, and Fig. 2 shows existing elasticity Longitudinal schematic cross-sectional view of side bearing, Fig. 3 show the bogie of railway freight-car compared with car body around rotary motion illustrate Figure, Fig. 4 show the yawing schematic diagram of car body.
The upper friction surface of existing 3 ˊ of elastic side bearing is horizontal plane, and the surfaces of 1 ˊ body side bearers of car body is also horizontal plane, the two Between frictional force generated by the normal pressure and rotary motion of two interplanars, the normal pressure of two interplanars is by the production of 1 ˊ gravity of car body It is raw, it is therefore, related using the vehicle steering resistance square of this 3 ˊ of elastic side bearing and the rigidity and pre compressed magnitude of 3 ˊ of elastic side bearing.
When the weight of 1 ˊ of car body is larger, side bearing shares a part of weight and sufficiently large normal pressure can be realized, due to bullet Property 3 ˊ friction surfaces of side bearing frictional force it is directly proportional to normal pressure, just can be real it can be said that when the weight of 1 ˊ of car body is larger Existing sufficiently large steering resistance square;Conversely, when the very light in weight of 1 ˊ of car body, it may appear that such case:Even if 1 ˊ weight of car body All undertaken by 3 ˊ of elastic side bearing, 21 ˊ of bogie cartridge does not undertake at all, be also not enough to that guarantee dynamics of vehicle can be reached The required steering resistance square of performance;In addition, generally require side bearing that cannot undertake the 1 ˊ weight of car body more than 85%, it is therefore, right In the vehicle that 1 ˊ of car body is light-weight, existing 3 ˊ technologies of elastic side bearing tend not to meet reach generate enough steering resistance square this The requirement of one Car design causes vehicle complete vehicle curb condition steering resistance square insufficient.
In view of this, those skilled in the art urgently improve existing elastic side bearing, empty to solve the light vehicle of car body weight The problem of vehicle state steering resistance square is insufficient.
The content of the invention
The core purpose of the present invention is, a kind of side compression type elastic side bearing of railway freight-car is provided, to solve car body weight The problem of light vehicle complete vehicle curb condition steering resistance square is insufficient.On this basis, the present invention also provides one kind to include the side compression type The railway freight-car of elastic side bearing.
This side compression type elastic side bearing, including elastomer, the side bearing of the bogie for being fixedly arranged on the railway freight-car and solid Arranged on the side bearing body of the car body of the railway freight-car, the car body side bearing body is by the elastomer pre-pressing in the side bearing Interior, the elastomer and the car body side bearing body are by being adapted arc surface compression fit.
Precompression is generated between the elastomer of the side compression type elastic side bearing and car body side bearing body, when car body is around bogie cartridge During revolution, frictional force is generated between the seal face of both car body side bearing body and elastomer, this frictional force can provide car body with turning to Steering resistance square between frame, the size of the steering resistance square, still can be with even if very light car body from the influence of car body weight Realize big steering resistance square, while dynamics of vehicle performance requirement is met, side bearing is no more than mark to the support force of car body The 85% of alignment request.
Therefore, side compression type elastic side bearing can be used for various railway freight-car, be particularly suitable for the light railway freight-car of car body weight, To solve the problems, such as that the light vehicle of car body weight (such as flatcar, aluminium alloy vehicle) empty wagons steering resistance square is insufficient, so as to solve vehicle Dynamic stabilization sex chromosome mosaicism during high-speed cruising.
Optionally, the axis of the arc surface is overlapped with the vertical center line of the bogie cartridge of the bogie.
Optionally, have between the car body side bearing body and the side bearing and make a reservation for vertical side bearing clearance a.
Optionally, the side bearing bottom surface is installed with wear-resisting backing plate, has between the wear-resisting backing plate and the car body side bearing body There is the predetermined vertical side bearing clearance a.
Optionally, the wear-resisting backing plate is specially nylon back plate.
Optionally, the quantity of the elastomer is two, and two elastomers are divided into a left side for the car body side bearing body Right both sides.
Optionally, adjusting pad is provided between the side bearing and the elastomer, to adjust the decrement of the elastomer.
Optionally, the elastomer is removable installed in the side bearing by fixed frame;The fixed frame is fixed on The side bearing, the one end of the elastomer are plugged in the fixed frame, to limit the elastomer phase for the side bearing Seat length travel and vertical deviation, the other end stretched out by the fixed frame and with the car body side bearing body compression fit.
Optionally, the elastomer includes connected successively the first fixed plate, elastic component, the second fixed plate and wearing piece, First fixed plate, the elastic component and the second fixed plate three are plugged in the fixed frame, the wearing piece and institute State car body side bearing body compression fit.
Optionally, the elastic component is specially rubber parts.
Optionally, the wearing piece is specially nylon part.
Optionally, the cross section of the car body side bearing body is T-shaped that horizontal part is connected with the car body, vertical component effect With the elastomer compression fit.
Optionally, the front side riser of the side bearing and rear side riser, which are offered, passes through and slides for the car body side bearing body Dynamic sliding slot.
In addition, the present invention also provides a kind of railway freight-car, including car body, bogie and arranged on the car body and described Two elastic side bearings between bogie, two elastic side bearings are symmetrically set in the both sides of the car body;The elastic side bearing Using side compression type elastic side bearing as described above.
Since railway freight-car includes above-mentioned side compression type elastic side bearing, which equally has side compression type elasticity The technique effect that side bearing possesses, so repeat no more herein.
Description of the drawings
Fig. 1 shows existing railway freight-car partial lateral structure diagram;
Fig. 2 shows longitudinal schematic cross-sectional view of existing elastic side bearing;
Fig. 3 show the bogie of railway freight-car compared with car body around rotary motion schematic diagram;
Fig. 4 shows the yawing schematic diagram of car body;
Fig. 5 shows railway freight-car partial lateral structure diagram provided by the present invention;
Fig. 6 shows the horizontal schematic cross-sectional view of side compression type elastic side bearing specific implementation provided by the present invention;
Fig. 7 shows the three dimensional structure diagram of side bearing;
Fig. 8 a and 8b respectively illustrate the three dimensional structure diagram of two different angles of side compression type elastic side bearing;
Fig. 9 shows the three dimensional structure diagram of the outer elastomer of side compression type elastic side bearing.
Correspondence in Fig. 1 to Fig. 4 between reference numeral all parts title is:
1 ˊ car bodies;
2 ˊ bogies:21 ˊ bogie cartridges;
3 ˊ elastic side bearings.
Correspondences of the Fig. 5 into Fig. 9 between reference numeral all parts title be:
1 car body:11 side bearing supporting legs;
2 bogies:21 bogie cartridges, 22 bolster;
3 side compression type elastic side bearings:
31 side bearings, 31s sliding slots, the outer elastomer of elastomer, 32b in 32a, the first fixed plates of 32b1,32b2 elastic components, The second fixed plates of 32b3,32b4 wearing pieces, 33 car body side bearing bodies, the outer fixed frame of fixed frame, 34b in 34a, adjusting pad in 35a, 35b external-adjusters pad, 36 wear-resisting backing plates.
Specific embodiment
The core of the present invention is, a kind of side compression type elastic side bearing is provided, so as to the steering resistance between bogie and car body Square size is independent of car body weight, even if car body is very light, in the situation for ensureing side bearing and undertaking the car body weight no more than 85% Under, it can also realize required steering resistance square.On this basis, the present invention also provides one kind to include the side compression type elastic side bearing Railway freight-car.
In order to which those skilled in the art is made to more fully understand the present invention program, with reference to the accompanying drawings and detailed description The present invention is described in further detail.
It should be noted that it is as described herein it is front and rear, up and down, the orientation such as left and right using railway freight-car as reference, with iron The parallel direction of afloat vehicle travel direction is longitudinal direction, in the longitudinal direction, before the direction pointed by travel direction is, with travel direction phase After the direction of the back of the body is;In the plane parallel to railway freight-car running track face, the direction being transversely to the machine direction is horizontal, in transverse direction On, it is seen along travel direction, for the direction in left-hand side for a left side, the direction in right-hand side is the right side;To be transported perpendicular to railway freight-car The direction of row orbital plane is vertical, and on vertical, under being close to the direction of orbital plane, the direction away from orbital plane is upper.In addition, The inside and outside noun of locality be on the basis of the axis of bogie cartridge, be close to the axis side of bogie cartridge in the horizontal it is interior, it is on the contrary Axis side away from bogie cartridge is outer.
Fig. 5 is referred to, the figure shows railway freight-car partial lateral structure diagrams provided by the present invention.
As shown in the figure, it is provided with side compression type elastic side bearing between the car body 1 of railway freight-car provided by the present invention and bogie 2 3, the quantity of the side compression type elastic side bearing 3 is even number, and compared with the symmetrical cloth of vertical center line of bogie cartridge 21 It puts.It should be noted that the car body 1 of the railway freight-car, the concrete structure of bogie 2 and wheel pair and mutual assembly relation are with showing Having that technology is essentially identical, those skilled in the art are based on the prior art can realize completely, so herein only to the present invention The concrete structure of inventive point-side compression type elastic side bearing 3 be described in detail.
Fig. 6 is referred to, the figure shows the horizontal section view knots of side compression type elastic side bearing provided by the present invention specific implementation Structure schematic diagram.
It will be appreciated from fig. 6 that side compression type elastic side bearing 3 is included by side bearing 31, interior elastomer 32a, outer elastomer 32b and car body Body 33 is held, wherein, side bearing 31 is fixedly arranged on the bolster 22 of bogie 2, and interior elastomer 32a and outer elastomer 32b are set respectively In the inner wall of the two opposite sides riser of side bearing 31, the upper end of car body side bearing body 33 is fixed on the side bearing supporting leg 11 of car body 1, Elastomer 32a and outer elastomer 32b is between the two and by interior elastomer 32a and outer elastomer 32b pre-pressings in the insertion of its lower end In side bearing 31.The seal face of car body side bearing body 33, interior elastomer 32a and outer elastomer 32b three is arc surface.
Both interior elastomer 32a and outer elastomer 32b of side compression type elastic side bearing 3 are generated in advance between car body side bearing body 33 Pressure, when car body 1 is turned round around bogie cartridge 21, both car body side bearing body 33 and interior elastomer 32a's and outer elastomer 32b Frictional force is generated between arc-shaped seal face, this frictional force can provide the steering resistance square between car body 1 and bogie 2, the revolution The size of the moment of resistance even if very light car body 1, still can realize big steering resistance square from the influence of 1 weight of car body, While meeting dynamics of vehicle performance requirement, side bearing is no more than the support force of car body 1 the 85% of standard requirement.
Therefore, side compression type elastic side bearing 3 can be used for various railway freight-car, be particularly suitable for the light-weight railway goods of car body 1 Vehicle, to solve the problems, such as that the light-weight vehicle of car body 1 (such as flatcar, aluminium alloy vehicle) empty wagons steering resistance square is insufficient, so as to solve Dynamic stabilization sex chromosome mosaicism when certainly vehicle high-speed is run.
In specific scheme, above-mentioned elastomer and the axis of the arc contact surface of side bearing body 33 and hanging down for bogie cartridge 21 It is overlapped to center line.
Using this structure so that the steering resistance square that elastomer is generated with the friction of side bearing body 33, with car body 1 around bogie The flywheel moment goodness of fit higher namely the two remaining parameter in addition to direction is inconsistent that the revolution of cartridge 21 generates are basically identical, And then realize the drag effect of bigger.
It is contemplated that the parameter of above-mentioned elastomer and the arc contact surface of side bearing body 33 is not limited to that, can also incite somebody to action Its axis is arranged on other positions.
Next, the specific processing of 3 various components of side compression type elastic side bearing is described in detail with reference to Figure of description.
It will be appreciated from fig. 6 that the bolster 22 of the side bearing 31 of side compression type elastic side bearing 3 and bogie 2 in present embodiment It is integrally formed, next the concrete structure of side bearing 31 is described in detail with reference to Fig. 7, Fig. 7 shows the three-dimensional of side bearing Structure diagram.
Side bearing 31 is specially the rectangular box of the upper end opening formed by the upper surface of bolster 22 and four cant board enclosings Body, interior elastomer 32a and outer elastomer 32b by respective fixed frame be removably attachable to side bearing 31 interior cant board and On the inner wall of outer cant board.
According to Fig. 6, interior elastomer 32a is by interior fixed frame 34a removably side bearing 31, equally, outer elasticity Body 32b is by the way that in outer fixed frame 34b removably side bearing 31, interior fixed frame 34a and outer fixed frame 34b are by four pieces of tablets It encloses the fixed square frame formed, and is fixed on by the modes such as welding or being bonded on the madial wall of side bearing 31.In order to just In the concrete structure for more fully understanding side compression type elastic side bearing 3, side is respectively illustrated please also refer to Fig. 8 a and 8b, Fig. 8 a and 8b The three dimensional structure diagram of two different angles of pressure type elastic side bearing.
In detail, in interior elastomer 32a insertions in fixed frame 34a, with elastomer 32a in restriction compared with side bearing 31 Length travel and vertical deviation, by the external part of interior fixed frame 34a and 33 compression fit of car body side bearing body on interior elastomer 32a, So as under complete vehicle curb condition by interior elastomer 32a pre-pressings on the madial wall of side bearing 31, interior elastomer 32a and outer elastomer 32b is removably connected to by respective fixed frame in side bearing 31, it is simple in structure and convenient for safeguard and replace.
Since interior elastomer 32a and outer elastomer 32b are identical with respective fixed frame assembly method, those skilled in the art Based on above description, you can direct and beyond all doubt knows outer elastomer 32b and the outer detachably connected passes of fixed frame 34b System, so repeat no more herein.
Further, understood with continued reference to Fig. 6, interior adjusting pad 35a is provided between interior elastomer 32a and side bearing 31, equally External-adjuster pad 35b is also equipped between outer elastomer 32b and side bearing 31, to adjust interior bullet using the adjusting pad of different-thickness Property body 32a and outer elastomer 32b pre compressed magnitude, then in adjustment both elastomer 32a and outer elastomer 32b precompression, To achieve the purpose that adjust the steering resistance square size between car body 1 and bogie 2.
Interior elastomer 32a and outer elastomer 32b in present embodiment are assembled structure, specifically, with reference to This pin-connected panel elastomer structure is illustrated exemplified by elastomer 32b beyond Fig. 9, Fig. 9 shows side compression type elastic side bearing Outer elastomer three dimensional structure diagram.
Outer elastomer 32b includes the first connected successively fixed plate 32b1, elastic component 32b2, the second fixed plate 32b3 and resistance to Part 32b4 is ground, wherein, the first fixed plate 32b1 and the second fixed plate 32b3 shapes are matched with outer fixed frame 34b shape pictures, precompressed Under tight state, the first fixed plate 32b1, the elastic component 32b2 and the second fixed plate 32b3 three of outer elastomer 32b are plugged in outside In fixed frame 34b, wearing piece 32b4 in outer fixed frame 34b by stretching out and being machined with coaxial with the convex arc surface of car body side bearing body 33 And the concaved circular cambered surface that radius is equal, correspondingly, the wearing piece 32b4 of interior elastomer 32a is machined with the recessed circle with car body side bearing body 33 The convex arc surface that cambered surface is coaxial and radius is equal.
The advantage of pin-connected panel elastomer is:Both first fixed plate 32b1 and the second fixed plate 32b3 and outer fixed frame The madial wall rigid contact of 34b, preferably to limit outer elastomer 32b compared with side bearing 31 along longitudinal direction with vertical deviation and just In assembling, decrement larger elastic component 32b2 can provide larger pre-pressing force, and the stronger wearing piece 32b4 of wearability is then It can ensure that outer elastomer 32b possesses longer service life with 33 sliding friction of car body side bearing body cooperation.
It should be noted that elastic component 32b2 is specially rubber parts in present embodiment, wearing piece 32b4 is specially Nylon part.It is appreciated that meeting elastic component 32b2 and wearing piece 32b4 each on the basis of function, elastic component 32b2 and wearing piece 32b4 can also be made of other materials commonly used in the art.
The cross section of car body side bearing body 33 is T-shaped, and horizontal part is fixedly connected with the side bearing supporting leg 11 of car body 1, is hung down Straight portion is machined with the arc surface with interior elastomer 32a and outer elastomer 32b compression fits, 3 overall structure of side compression type elastic side bearing Compact and reasonable.
It should be noted that when being relatively rotated in the horizontal plane due to car body 1 and bogie 2, car body side bearing body 33 is opposite It is slided in interior elastomer 32a and outer elastomer 32b around the axis of bogie cartridge 21 to form steering resistance square, in order in car body Side bearing body 33 and interior elastomer 32a and outer elastomer 32b form larger steering resistance square between the two, car body side bearing body 33 with it is interior Both elastomer 32a and outer elastomer 32b need to completely attach to always during being slidably matched, and certainly will so need increase other The longitudinal length of bearing 31, and the increase of 31 longitudinal length of side bearing will necessarily increase cost of manufacture and difficulty of processing.Therefore, such as It is that those skilled in the art need to solve where not increasing, which increases the activity space of car body side bearing body 33 under the premise of 31 volume of side bearing, Certainly the technical issues of.
For this purpose, it as shown in fig. 7, is opened up on the front side riser of side bearing 31 and rear side riser in present embodiment The sliding slot 31s for passing through and sliding for car body side bearing body 33.So set, side bearing body is compared with interior elastomer 32a and outer elasticity When body 32b is around the axis slip of bogie cartridge 21, both ends can be stretched out by correspondingly sliding slot 31s, so as to dexterously realize Increase the requirement of the activity space of car body side bearing body 33 under the premise of do not increase 31 volume of side bearing.
Further, since the elastic side bearing described in background technology can only provide vertical elasticity, sidewinder and shake when the generation of car body 1 When dynamic, although elastic side bearing is capable of providing certain support force, but the function of the no damping capacity of the vertical deformation of side bearing, therefore The damping for inhibiting 1 rolling of car body, thus 1 rolling of car body that can not quickly and effectively decay cannot be provided.
For this purpose, as shown in fig. 6, have under complete vehicle curb condition, between the bottom surface of car body side bearing body 33 and side bearing 31 predetermined vertical Side bearing clearance a, when car body 1 sidewinders and sidewinders angle and reaches preset value, car body side bearing body 33 compared with elastomer be displaced downwardly to The bottom surface of side bearing 31 offsets, and vertical side bearing clearance a is zero, and side bearing kills, in case 1 angle of roll of car body is excessive, so as to provide Inhibit the damping of 1 rolling of car body, improve vehicle anti-rolling performance.
In addition, side bearing 31 has been fixedly mounted on the bottom surface with wear-resisting backing plate 36, the foregoing vertical side bearing clearance a that makes a reservation for refers to car body Vertical distance between side bearing body 33 and wear-resisting backing plate 36.Reach preset value, vertical side bearing clearance when car body 1 sidewinders and sidewinders angle After a is zero, car body side bearing body 33 offsets with wear-resisting backing plate 36, and side bearing kills, when car body 1 continues to sidewinder compared with bogie 2, vehicle Body side bearing body 33 is slided compared with wear-resisting backing plate 36, can then prevent car body side bearing body 33 and 31 rigidity of side bearing from sliding and causing Abrasion, so as to extend the service life of railway freight-car to a certain extent.
The wear-resisting backing plate 36 is specially nylon back plate, it will be understood that is meeting wear-resisting functions, processing and assembly technology requirement On the basis of, wear-resisting backing plate 36 can also be made of other wear-resistant materials.
It is emphasized that side compression type elastic side bearing 3 includes interior elastomer 32a and outer elastomer in present embodiment 32b, under complete vehicle curb condition, car body side bearing body 33 and interior elastomer 32a and outer elastomer 32b both compression fits.Certainly, full On the basis of sufficient steering resistance square size requirements, side compression type elastic side bearing 3 also can only include outer elastomer 32b or interior elastomers 32a.
Such as:Side compression type elastic side bearing 3 only includes outer elastomer 32b, which is arranged at by aforementioned manner In side bearing 31, after vehicle is taken a seat, car body side bearing body 33 by outer elastomer 32b pre-pressings in side bearing 31, match somebody with somebody by the two compression The convex arc surface and concaved circular cambered surface that conjunction face overlaps for axis with the vertical center line of bogie cartridge 21 and radius is equal, wherein, Convex arc surface is machined in car body side bearing body 33, and correspondingly, concaved circular cambered surface is machined in outer elastomer 32b.
Similarly, side compression type elastic side bearing 3 only includes interior elastomer 32a, which is arranged at by aforementioned manner In side bearing 31, after vehicle is taken a seat, car body side bearing body 33 by interior elastomer 32a pre-pressings in side bearing 31, match somebody with somebody by the two compression The convex arc surface and concaved circular cambered surface that conjunction face overlaps for axis with the vertical center line of bogie cartridge 21 and radius is equal, wherein, Convex arc surface is machined in interior elastomer 32a, and correspondingly, concaved circular cambered surface is machined in car body side bearing body 33.
When car body 1 is rotated compared with bogie 2, only the side compression type elastic side bearing 3 including single elastomer and foregoing bag The side compression type elastic side bearing 3 for including two elastomers is compared, and the steering resistance square that the latter is formed is the former one times, and can eliminate vehicle Between body 1 and bogie 2 lateral clearance (in the prior art between car body cartridge and bogie cartridge 21 there are lateral clearance, so as to Improve dynamics of vehicle performance.
In addition, the present invention also provides a kind of railway freight-car, including car body 1, bogie 2 and arranged on the car body 1 and institute Two elastic side bearings between bogie 2 are stated, two elastic side bearings are symmetrically set in the both sides of the car body 1;The elasticity Side bearing uses side compression type elastic side bearing 3 as described above.
Using this structure, since above-mentioned elastic side bearing has technique effect as described above, by the elasticity The railway freight-car held should also be as having identical technique effect, and details are not described herein.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the present invention..It is any All any modification, equivalent and improvement made within the spirit and principles in the present invention etc. should be included in the power of the present invention Within the scope of profit is claimed.

Claims (13)

1. the side compression type elastic side bearing of railway freight-car, the side bearing including elastomer, the bogie (2) for being fixedly arranged on the railway freight-car Seat (31) and be fixedly arranged on the railway freight-car car body (1) car body side bearing body (33), described in the car body side bearing body (33) general Elastomer pre-pressing is in the side bearing (31), which is characterized in that the elastomer and the car body side bearing body (33) pass through The arc surface compression fit being adapted;
The axis of the arc surface is overlapped with the vertical center line of the bogie cartridge (21) of the bogie (2).
2. side compression type elastic side bearing as described in claim 1, which is characterized in that the car body side bearing body (33) and the side bearing Have between seat (31) and make a reservation for vertical side bearing clearance a.
3. side compression type elastic side bearing as claimed in claim 2, which is characterized in that side bearing (31) bottom surface is installed with wear-resisting Backing plate (36) has the predetermined vertical side bearing clearance a between the wear-resisting backing plate (36) and the car body side bearing body (33).
4. side compression type elastic side bearing as claimed in claim 3, which is characterized in that the wear-resisting backing plate (36) is specially nylon cushion Plate.
5. such as Claims 1-4 any one of them side compression type elastic side bearing, which is characterized in that the quantity of the elastomer is Two, two elastomers are divided into the left and right sides of the car body side bearing body (33).
6. such as Claims 1-4 any one of them side compression type elastic side bearing, which is characterized in that the side bearing (31) and institute It states and is provided with adjusting pad between elastomer, to adjust the decrement of the elastomer.
7. such as Claims 1-4 any one of them side compression type elastic side bearing, which is characterized in that the elastomer passes through fixation Frame is removable installed in the side bearing (31);The fixed frame is fixed on the side bearing (31), and the one of the elastomer End is plugged in the fixed frame, to limit length travel and vertical position of the elastomer phase for the side bearing (31) Move, the other end stretched out by the fixed frame and with car body side bearing body (33) compression fit.
8. side compression type elastic side bearing as claimed in claim 5, which is characterized in that the elastomer includes be connected successively first Fixed plate (32b1), elastic component (32b2), the second fixed plate (32b3) and wearing piece (32b4), first fixed plate (32b1), the elastic component (32b2) and second fixed plate (32b3) three are plugged in the fixed frame, the wearing piece (32b4) and car body side bearing body (33) compression fit.
9. side compression type elastic side bearing as claimed in claim 8, which is characterized in that the elastic component (32b2) is specially rubber Part.
10. side compression type elastic side bearing as claimed in claim 9, which is characterized in that the wearing piece (32b4) is specially nylon Part.
11. such as Claims 1-4 any one of them side compression type elastic side bearing, which is characterized in that the car body side bearing body (33) Cross section to be T-shaped, horizontal part is connected with the car body (1), vertical component effect and the elastomer compression fit.
12. such as Claims 1-4 any one of them side compression type elastic side bearing, which is characterized in that before the side bearing (31) Cant board and rear side riser offer the sliding slot (31s) for passing through and sliding for the car body side bearing body (33).
13. a kind of railway freight-car, including car body (1), bogie (2) and arranged on the car body (1) and the bogie (2) Between two elastic side bearings, two elastic side bearings are symmetrically set in the both sides of the car body (1);It is it is characterized in that, described Elastic side bearing uses such as claim 1 to 12 any one of them side compression type elastic side bearing (3).
CN201610280058.5A 2016-04-29 2016-04-29 A kind of railway freight-car and its side compression type elastic side bearing Active CN105774837B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610280058.5A CN105774837B (en) 2016-04-29 2016-04-29 A kind of railway freight-car and its side compression type elastic side bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610280058.5A CN105774837B (en) 2016-04-29 2016-04-29 A kind of railway freight-car and its side compression type elastic side bearing

Publications (2)

Publication Number Publication Date
CN105774837A CN105774837A (en) 2016-07-20
CN105774837B true CN105774837B (en) 2018-05-18

Family

ID=56399149

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610280058.5A Active CN105774837B (en) 2016-04-29 2016-04-29 A kind of railway freight-car and its side compression type elastic side bearing

Country Status (1)

Country Link
CN (1) CN105774837B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110861672B (en) * 2019-12-05 2022-03-15 中车长春轨道客车股份有限公司 Aluminum alloy end chassis structure and have subway vehicle of this end chassis structure

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6141853A (en) * 1998-12-03 2000-11-07 Miner Enterprises, Inc. Method of manufacturing and energy absorption apparatus for a railroad car
RU2288123C1 (en) * 2005-05-25 2006-11-27 Федеральное государственное унитарное предприятие Всероссийский научно-исследовательский и конструкторско-технологический институт подвижного состава Министерства путей сообщения Российской Федерации (ФГУП ВНИКТИ МПС России) Side support of car body on bogie
RU2305643C1 (en) * 2005-12-14 2007-09-10 Федеральное государственное унитарное предприятие Всероссийский научно-исследовательский и конструкторско-технологический институт подвижного состава Министерства путей сообщения Российской Федерации (ФГУП ВНИКТИ МПС России) Car body-to-bogie side support
CN201712621U (en) * 2010-05-14 2011-01-19 南车长江车辆有限公司 Empty and heavy two-stage friction type lower side bearing
CN202080290U (en) * 2011-06-03 2011-12-21 株洲时代新材料科技股份有限公司 Rubber elasticity side bearing for heavy-load railway wagon
CN102632902A (en) * 2012-03-28 2012-08-15 齐齐哈尔轨道交通装备有限责任公司 Elastic side bearing, bogie and railway vehicle

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6141853A (en) * 1998-12-03 2000-11-07 Miner Enterprises, Inc. Method of manufacturing and energy absorption apparatus for a railroad car
RU2288123C1 (en) * 2005-05-25 2006-11-27 Федеральное государственное унитарное предприятие Всероссийский научно-исследовательский и конструкторско-технологический институт подвижного состава Министерства путей сообщения Российской Федерации (ФГУП ВНИКТИ МПС России) Side support of car body on bogie
RU2305643C1 (en) * 2005-12-14 2007-09-10 Федеральное государственное унитарное предприятие Всероссийский научно-исследовательский и конструкторско-технологический институт подвижного состава Министерства путей сообщения Российской Федерации (ФГУП ВНИКТИ МПС России) Car body-to-bogie side support
CN201712621U (en) * 2010-05-14 2011-01-19 南车长江车辆有限公司 Empty and heavy two-stage friction type lower side bearing
CN202080290U (en) * 2011-06-03 2011-12-21 株洲时代新材料科技股份有限公司 Rubber elasticity side bearing for heavy-load railway wagon
CN102632902A (en) * 2012-03-28 2012-08-15 齐齐哈尔轨道交通装备有限责任公司 Elastic side bearing, bogie and railway vehicle

Also Published As

Publication number Publication date
CN105774837A (en) 2016-07-20

Similar Documents

Publication Publication Date Title
CN102556097B (en) Central suspension device and high-speed truck bogie with same
US20180141573A1 (en) Plate spring unit and railcar bogie
US4488495A (en) Soft primar suspension system for a railway car
CN102700560A (en) Rail road car truck and members thereof
AU2016348326B2 (en) Railroad car roller bearing adapter assembly
US11104359B2 (en) Railroad car truck articulated split friction wedge assembly
CN105324289A (en) Truck and sideframe therefor
CA2846165A1 (en) Stabilized railway freight car truck
CN107107922B (en) Bearing adapter sideframe interface for a railcar truck
WO2020191979A1 (en) Axle box suspension device and bogie with same
CN105774837B (en) A kind of railway freight-car and its side compression type elastic side bearing
RU77592U1 (en) TWO-WAY CAR TRUCK
US20190185030A1 (en) Railroad car truck with warp restraints
CN1845843B (en) Rail road car truck and car axle bearing fittings installation parts therefor
WO2015101094A1 (en) Two-stage-rigidity combination elastic-member device
US20190168786A1 (en) Railroad car truck with warp restraints
CA3007320C (en) Railroad car truck with warp restraints
US20220388550A1 (en) Railroad car truck damper wedge fittings
CN206086746U (en) Railway freight car bogie and vibration damper thereof
RU2305643C1 (en) Car body-to-bogie side support
CN114845922A (en) Wedge fitting for railway car bogie damper
US2295549A (en) Car truck
US5537932A (en) Railway truck bearing lateral thrust pads
CN204641773U (en) Hoisting crane shock absorption device and hoisting crane bogie truck
US20190092354A1 (en) Friction shoe with damping for a railway car truck

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20180413

Address after: 100844 Fuxing Road, Beijing, Haidian District, No. 10

Applicant after: CHINA RAILWAY CORPORATION

Applicant after: CRRC QIQIHAR VEHICLE CO., LTD.

Address before: 161002 Qigihar City, Heilongjiang province Tiefeng District Plant Road No. 36

Applicant before: CRRC QIQIHAR VEHICLE CO., LTD.

GR01 Patent grant
GR01 Patent grant