CN105539482A - Side bearing and rail vehicle - Google Patents

Abstract

The invention provides a side bearing and a rail vehicle. The side bearing is filled with lubricating liquid; an upper cover plate with a side bearing rubber pile fixed to the top covers an opening of a box body with the sector cross section; and the length of each free end of the upper cover plate is at least the sum of the length of the part, at the same end, of the box body and the distance between the side wall of the part, at the end, of the box body and the top end of the part, at the same end, of an upper friction plate. A holding frame containing a roller is arranged between the upper friction plate fixed to the bottom of the upper cover plate and a lower friction plate fixed to the inner surface of the bottom of the box body. The rail vehicle is provided with the above side bearing. According to the side bearing and the rail vehicle, the friction resistance of the roller is relieved, the restoring moment of the side bearing is reduced, and the restoring moment cannot be increased after long-time use of the side bearing; and meanwhile, the axis of the roller points to the rotation center of a bogie so that the movement track of the upper cover plate and the upper friction plate can conform with the movement track of the rail vehicle, and the capability of the rail vehicle is improved when the rail vehicle runs on a curved line.

Description

Side bearing and guideway vehicle

Technical field

The present invention relates to a kind of side bearing and guideway vehicle, belong to guideway vehicle manufacturing technology field.

Background technology

The side bearing of guideway vehicle is mainly used in connection body and bogie truck, and the weight uniformity that makes to get on the bus is assigned on bogie truck, reduces the unbalanced moment of bogie truck simultaneously, ensures the uniform distribution that axle is heavy.When guideway vehicle crosses curve, bogie truck is turned round relative to car body, relax the impact to guideway vehicle when circuit is bad, ensure that guideway vehicle has good stationarity.

One many roller types compound side bearing of the prior art, comprise the rectangular box that side bearing rubber metal pad and cross-sectional plane are rectangle and upper end open, friction plate is fixed with in side bearing rubber metal pad bottom, lower friction plate is fixed in casing, lower friction plate is placed with retainer, be provided with set of rollers in retainer, and this set of rollers is limited in retainer, retainer can slide on lower friction plate along with set of rollers.Be provided with dust guard above casing, dust guard is fixedly connected on side bearing rubber metal pad.Box house is also provided with baffle plate, and baffle plate is located at the both sides of friction plate sense of motion, and with upper friction plate two side contacts.

But this many roller types compound side bearing sealing of the prior art is bad, box house easily exposes in atmosphere, thus the impurity in air easily enters in casing, after Long-Time Service, the friction drag of roller can increase, thus the righting moment of side bearing is increased, and the path of motion of upper friction plate and the path of motion of guideway vehicle inconsistent, make the ability of guideway vehicle when curve circuit runs weak.

Summary of the invention

The invention provides a kind of side bearing and guideway vehicle, with solve the righting moment that occurs after side bearing Long-Time Service in prior art increase and the path of motion of upper friction plate and the path of motion of guideway vehicle inconsistent, make guideway vehicle in the weak technical matters of curve circuit service requirement.

One aspect of the present invention provides a kind of side bearing, comprising: the casing of upper end open, side bearing rubber metal pad, upper cover plate, upper friction plate, lower friction plate, retainer and multiple roller; The cross-sectional plane of casing is fan-shaped; The top of upper cover plate is fixed with side bearing rubber metal pad, and upper cover plate covers on casing, and the length of each free end of upper cover plate is at least the distance sum on friction plate top on the length of same side casing and this end wall box to same side; Upper friction plate is fixed on the bottom of upper cover plate; Fill in casing and be provided with lubricating fluid; Lower friction plate is fixed on the inside face of bottom half, and place retainer between upper friction plate and lower friction plate, roller is placed in retainer.Preferably, solid lubricant is stained with at the friction face place of upper cover plate and casing.

The further improvement of above-mentioned side bearing, the sidewall of casing offers the seal groove towards upper cover plate, is provided with sealing band in sealing groove.Preferably, sealing band is elastic sealing strip, and elastic sealing strip exceeds casing a little.

The further improvement of above-mentioned side bearing, upper cover plate is provided with vent, and casing is provided with tap hole.Preferably, vent can also be used for injecting lubricating fluid in casing.

The further improvement of above-mentioned side bearing, bottom half is provided with deposit chamber, and deposit chamber is for precipitating the impurity in lubricating fluid.Preferably, deposit chamber is four, is separately positioned on four angles of casing, and the link slot offered by bottom half between these four deposit chambers is linked together.More excellent, tap hole is arranged on the bottom of one of them deposit chamber.

The further improvement of above-mentioned side bearing, retainer is provided with the groove of the described roller of multiple placement.

The further improvement of above-mentioned side bearing, the volume of groove surface upwards friction plate part is less than the volume of the downward friction plate part of groove surface.Preferably, the junction rounding off of recess sidewall.

The further improvement of above-mentioned side bearing, upper cover plate, upper friction plate, retainer and lower friction plate are provided with coaxial knock hole.

The further improvement of above-mentioned side bearing, the both sides of upper cover plate are provided with the projection toward casing direction.

The present invention provides a kind of guideway vehicle on the other hand, and this guideway vehicle is provided with side bearing as above.

Side bearing provided by the invention and guideway vehicle, by using cross-sectional plane to be fan-shaped casing, and on box opening, cover the upper cover plate that length meets certain condition, in casing, be placed with the retainer of roller and inject lubricating fluid simultaneously, thus reduce roller and the friction drag up and down between friction plate in containment housing, it also reduce the righting moment of side bearing like this, and the friction force of roller all there will not be obvious increase in Long-Time Service, the righting moment of side bearing is so just made to increase; And cross-sectional plane is fan-shaped casing makes upper cover plate conform to the path of motion of guideway vehicle with the path of motion of upper friction plate, thus improves the ability of guideway vehicle when curve circuit runs.

Accompanying drawing explanation

Fig. 1 is the front view (biopsy cavity marker devices) of side bearing provided by the invention;

Fig. 2 is the birds-eye view (upper cover plate half-open position) of side bearing provided by the invention;

Fig. 3 is the cutaway view of upper cover plate and casing in Fig. 1 and Fig. 2;

Fig. 4 is the birds-eye view of roller and retainer in Fig. 1;

Fig. 5 is A-A direction view in Fig. 4.

In figure:

1, side bearing; 10, casing;

101, seal groove; 102, sealing band;

103, tap hole; 104, deposit chamber;

20, upper cover plate; 201, vent;

202, protruding; 203, bar is worn away;

30, side bearing rubber metal pad; 40, upper friction plate;

50, lower friction plate; 60, retainer;

601, groove; 70, roller;

80, knock hole.

Detailed description of the invention

Be described in detail to the specific embodiment of the present invention below in conjunction with accompanying drawing, should be understood that, detailed description of the invention described herein is only for instruction and explanation of the present invention, and the present invention is not limited to following detailed description of the invention.

For the ease of understanding and describing the present invention, the noun of locality used in following embodiment " up and down " refers to reference to up and down shown in the drawings, and the noun of locality " inside and outside " used refers to " inside and outside " of part itself.But the above noun of locality is not limitation of the present invention, it will be understood by a person skilled in the art that the change of observed ray can cause hereafter described orientation that corresponding change occurs.

Fig. 1 is the front view (biopsy cavity marker devices) of side bearing provided by the invention; Fig. 2 is the birds-eye view (upper cover plate half-open position) of side bearing provided by the invention.A kind of side bearing 1 as illustrated in fig. 1 and 2, comprising: the casing 10 of upper end open, upper cover plate 20, side bearing rubber metal pad 30, upper friction plate 40, lower friction plate 50, retainer 60 and multiple roller 70.The top of upper cover plate 20 is fixed with side bearing rubber metal pad 30, and upper cover plate 20 covers on the opening of casing 10, and the cross-sectional plane of this casing 10 is fan-shaped.Simultaneously, in order to upper cover plate 20 can cover on the opening of casing 10 all the time when moving, and make to be formed between upper cover plate 20 and casing 10 airtight, upper cover plate 20 at least should not be less than the length sum of casing 10 from the center to right-hand member distance casing 10 right end sidewalls of the length of casing 10 right end sidewalls and upper friction plate 40 from the center to the length of right-hand member.In like manner, upper cover plate 20 also at least should be not less than the length of casing 10 from the center to casing 10 left end sidewall and the length sum of upper friction plate 40 left end distance casing 10 left end sidewall from the center to the length of left end.Fixing lower friction plate 50 on inside face bottom casing 10, between lower friction plate 50 and upper friction plate 40, retainer 60 is set, multiple roller 70 is placed in retainer 60, and above-mentioned roller 70 is limited in retainer 60, like this, the axis of each roller 70 has just pointed to the center of gyration of bogie truck.Meanwhile, fill in casing 10 and be provided with the less lubricating fluid of coefficient of viscosity, such as, lubricating oil.

The side bearing 1 of the present embodiment, by fixing a upper cover plate 20 covered on casing 10 opening bottom rubber metal pad 30, and make the length of upper cover plate 20 meet certain condition, ensure that upper cover plate 20 can to cover all the time in motion process on the opening of casing 10 and and formed between casing 10 and seal, the impurity avoided in air enters in casing 10, thus ensure that the cleaning of casing 10 inside, and side bearing 1 is lubricated by lubricating fluid, reduce the friction drag of roller 70, thus reduce the righting moment of side bearing 1 when guideway vehicle crosses curve, and also reduce roller 70, the wearing and tearing of upper friction plate 40 and lower friction plate 50.And when Long-Time Service, the friction drag of roller 70 also there will not be obvious increase, thus the righting moment of side bearing 1 also can not increase.Simultaneously, the cross-sectional plane of casing 10 is arranged to fan-shaped, the axis of each roller 70 is made all to point to the center of gyration of bogie truck, thus the motion of the upper cover plate 20 of side bearing 1 and upper friction plate 40 opposite case 10 and guideway vehicle when crossing curve the path of motion of side bearing 1 be consistent, such side bearing 1 can meet motion feature when guideway vehicle crosses curve more, thus improves the ability of guideway vehicle when curve circuit runs.

Fig. 3 is the cutaway view of upper cover plate and casing in Fig. 1 and Fig. 2, please in the lump referring to Fig. 3.In order to strengthen the sealing property of side bearing 1, seal groove 101 towards upper cover plate 20 can be offered in the top side wall of casing 10, in seal groove 101, installing sealing band 102 simultaneously.Like this, in the whole process of upper cover plate 20 opposite case 10 motion, a good sealing can both be formed by sealing band 102 between upper cover plate 20 and casing 10, thus make koniology and impurity can not enter in the casing 10 of side bearing 1, also just make the motion of side bearing 1 more flexible, and improve the service life of the lubricating fluid in casing 10.The above-mentioned sealing band 102 be placed in seal groove 101 can be elastic sealing strip.Be arranged so that the Action of Gravity Field of side bearing rubber metal pad 30, upper cover plate 20 and upper friction plate 40 is on elastic sealing strip, plays certain compression to elastic sealing strip by such, strengthen the sealing property between upper cover plate 20 and casing 10 further.Further, when actual installation, the elastic sealing strip after installation can be made to exceed the top side wall of casing 10 a little.Like this, a gap sealed by sealing band 102 can be formed between upper cover plate 20 and the top side wall of casing 10.In practical work process, just can be detected the mode of operation of side bearing rubber metal pad 30 by the presence or absence monitoring this gap, thus make the mode of operation of the side bearing rubber metal pad 30 that cannot carry out effective monitoring in prior art become and can monitor.And the mode that the seal clearance of this top side wall by upper cover plate 20 and casing 10 monitors the mode of operation of rubber metal pad 30 is also very simple and convenient.

Because side bearing 1 is in motion process, regular the rubbing of meeting between upper cover plate 20 and casing 10, in order to reduce friction drag therebetween, improve guideway vehicle and spend the ability of curve and the service life of side bearing 1, suitable reduction friction drag process can be done at the friction face place of upper cover plate 20 and casing 10, such as, be coated with the lubricating fluid of lubricating oil one class at friction face place, or adhere to one deck solid lubricant at friction face place.But also can by the inside and outside wall of casing 10 being arranged to circular shape to reduce the friction force between upper cover plate 20 and casing 10 further.

Upper cover plate 20 can arrange vent 201 discharge for the air in casing 10.Vent 201 can be two, is separately positioned on the two ends, left and right of upper cover plate 20.By arranging vent 201, when side bearing 1 carries out a large amount of curvilinear motions, also namely, guideway vehicle continuously a large amount of by curve time, due to the rubbing effect of roller and upper and lower friction plate, lubricating fluid temperature in casing 10 raises, air heats in casing is expanded, thus high pressure air can be discharged between casing 10 and upper cover plate 20, like this, pressure in casing 10 can reduce, and upper cover plate 20 and sealing band 102 friction force are increased.By arranging vent 201 on upper cover plate 20, casing 10 can be made to communicate with outside atmosphere, thus reduce the resistance of motion of upper cover plate 20.Certainly, when reality uses, vent 201 can also as the spout of filling in casing 10 when establishing lubricating fluid.

Before and after upper cover plate 20, both sides can arrange the projection 202 toward casing direction respectively, for preventing upper friction plate 40 toward the motion of fore-and-aft direction.Further, in order to improve the service life of side bearing 1, can to install with the contact surface place of casing 10 protruding 202 and wearing away bar 203.In use, when side bearing 1 is moved, only wear away bar 203 due to rubbing effect meeting loss to some extent, so only need to change in use for some time the abrasion bar 203 that may wear to a certain degree, and without the need to changing whole side bearing 1, thus improve the service life of side bearing 1, reduce cost.Certainly, also can use and be arranged on friction plate 40 sense of motion (left and right directions) both sides, and the baffle plate contacted with two sides before and after upper friction plate 40 is to limit the motion of upper friction plate 40 toward fore-and-aft direction.

Fig. 4 is the birds-eye view of roller and retainer in Fig. 1; Fig. 5 is A-A direction view in Fig. 3.As shown in Figure 4 and Figure 5, retainer 60 offers the groove 601 of multiple placement roller 70.Placing roller 70 by the mode offering groove 601 on retainer 60 can make multiple roller 70 separate each other, can not mutually extrude each other, thus reduces the friction force that roller 70 is subject to, and each roller 70 can do and rolls completely.Meanwhile, when side bearing 1 is moved, all rollers 70 are all synchronized with the movement.The retainer 60 of such setting and set of rollers, can reduce the righting moment of side bearing 1 when guideway vehicle crosses curve, thus improve the ability of guideway vehicle when curve circuit runs.Namely further, when offering above-mentioned groove 601, the lower volume of groove 601 can be made to be greater than the upper volume of groove 601, also groove 601 is less than groove 601 towards the volume of upper friction plate 40 part and faces down the volume of friction plate 50 part.By such setting, roller 70 can be made to be in all the time in lubricating fluid, and the contact surface that upper friction plate 40 and lower friction plate 50 contact with roller 70 can not contact with retainer 60, thus the friction force reduced when roller 70 rolls, improve the rolling effect of roller 70, and then reduce the righting moment of side bearing 1 when guideway vehicle crosses curve.In order to reduce the friction between side bearing 1 and retainer 60 further, rounding off can be made in the junction of groove 601 sidewall.Certain, together with above-mentioned retainer 60 and roller composition also can be set to multiple roller 70 to be arranged in order and the form be placed in retainer 60.Even, retainer 60 and direct fluting being placed on by roller 70 in the groove that lower friction plate 50 offers on lower friction plate 50 can not also be used.

The bottom or sidewall of casing 10 being provided with the tap hole 103 for being discharged in casing 10 by lubricating fluid, in tap hole 103, being provided with tap hole blocking up.By arranging tap hole 103, when the lubricating fluid in casing 10 too much or when needing again to change lubricating fluid can be discharged by the lubricating fluid in casing 10.And tap hole 103 is arranged on bottom casing 10 and the impurity be deposited in bottom casing 10 together can be discharged outside casing 10, avoid the motion affecting side bearing 1 when there is impurity in casing 10, thus improve the ability of guideway vehicle when curve circuit runs.And, in order to further reduce the impurity in lubricating fluid, can also bottom casing 10 on offer deposit chamber 104 for precipitating impurity in lubricating oil to keep the clean of the friction face between friction plate 40, lower friction plate 50, roller 70, avoid the motion of roller 70 in impurity effect side bearing 1, retainer 60 and upper friction plate 40, lower friction plate 50, thus improve the locomitivity of side bearing 1.Such deposit chamber 104 can be arranged on one of them angle in four angles bottom casing 10 or multiple angle place, so just can by the position at contamination precipitation four angles bottom casing 10, reduce the possibility that impurity contacts with roller 70, retainer 60 and upper friction plate 40, lower friction plate 50 as far as possible, thus improve the locomitivity of side bearing 1.If arrange multiple deposit chamber 104, then between these deposit chambers 104, link slot can be set and link together, the ability of precipitated impurities can be increased like this, reduce the impurity in lubricating fluid as far as possible and be beneficial to and impurity is discharged casing 10.Further, in order to better, the impurity of precipitation and lubricating oil are discharged casing 10, tap hole 103 can be arranged on the bottom of deposit chamber 104, thus drive the impurity in deposit chamber 104 to discharge casing 10 by the flowing of lubricating fluid while discharging lubricating fluid.If when deposit chamber 104 is multiple, this tap hole 103 can be arranged on the bottom of one of them deposit chamber 104, thus while discharging lubricating fluid, drives the impurity in deposit chamber 104 in link slot inflow tap hole 103 by the flowing of lubricating fluid and discharge casing 10.

Finally, during in order to install, location is convenient, can upper cover plate 20, on friction plate 40, retainer 60 and lower friction plate 50 offer coaxial knock hole 80.During concrete installation, first lower friction plate 50 is installed in casing 10, then by the knock hole 80 of retainer 60, upper friction plate 40 and upper cover plate 20 successively through locating dowel pin, and the lower end of locating dowel pin is penetrated in the knock hole 80 of lower friction plate 50 and can realize aligning of each structure in side bearing 1.In order to ensure the leak tightness of side bearing 1, the knock hole 80 of upper cover plate 20 can arrange seal cover cap, or also the knock hole 80 of upper cover plate 20 can be arranged on the position that side bearing rubber metal pad 30 installed by upper cover plate 20, the such as center of upper cover plate 20, just directly the knock hole 80 of upper cover plate 20 can be sealed when upper cover plate 20 is fixed with side bearing rubber metal pad 30 like this, thus ensure the leak tightness of side bearing 1.And, the knock hole 80 of upper cover plate 20 is arranged on the center of upper cover plate 20, the left and right two ends of upper cover plate 20 can be made symmetrical, just need not consider the length at upper cover plate about 20 two ends when actual installation, improve installation effectiveness, reduce labour intensity during installation.If when the knock hole 80 of aforementioned upper cover plate 20 is not arranged on the contact surface of side bearing rubber metal pad 30 and upper cover plate 20, then this knock hole 80 can directly as the vent 201 on upper cover plate 20.

The present invention provides a kind of guideway vehicle on the other hand, this guideway vehicle is provided with side bearing 1 as above.

Guideway vehicle of the present invention, by fixing a upper cover plate 20 covered on casing 10 opening bottom the side bearing rubber metal pad 30 of side bearing 1, and make the length of upper cover plate 20 meet certain condition, ensure that upper cover plate 20 can to cover all the time in motion process on the opening of casing 10 and and formed between casing 10 and seal, the impurity avoided in air enters in casing 10, thus ensure that the cleaning of casing 10 inside, and side bearing 1 is lubricated by lubricating fluid, reduce the friction drag of roller 70, thus reduce the righting moment of side bearing 1 when guideway vehicle crosses curve, and also reduce roller 70, the wearing and tearing of upper friction plate 40 and lower friction plate 50.And when Long-Time Service, the friction drag of roller 70 also there will not be obvious increase, thus the righting moment of side bearing 1 also can not increase.Simultaneously, the cross-sectional plane of casing 10 is arranged to fan-shaped, the axis of each roller 70 is made all to point to the center of gyration of bogie truck, thus the motion of the upper cover plate 20 of side bearing 1 and upper friction plate 40 opposite case 10 and guideway vehicle when crossing curve the path of motion of side bearing 1 be consistent, such side bearing 1 can meet motion feature when guideway vehicle crosses curve more, thus improves the ability of guideway vehicle when curve circuit runs.

Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, but not be limited; Although with reference to aforementioned embodiments to inventions have been detailed description, but those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in aforementioned embodiments, or equivalent replacement is carried out to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of embodiment of the present invention technical scheme.

Claims (10)

1. a side bearing, is characterized in that, comprising: the casing of upper end open, rubber metal pad, upper cover plate, upper friction plate, lower friction plate, retainer and multiple roller;

The cross-sectional plane of described casing is fan-shaped;

Side bearing rubber metal pad is fixed at the top of described upper cover plate, and described upper cover plate covers on described casing, and the length of described each free end of upper cover plate is at least the distance sum on friction plate top on the length of same side casing and this end wall box to same side;

Described upper friction plate is fixed on the bottom of described upper cover plate;

Fill in described casing and be provided with lubricating fluid;

Described lower friction plate is fixed on the inside face of described bottom half, and be placed with retainer between described upper friction plate and lower friction plate, described roller is placed in described retainer.

2. side bearing according to claim 1, is characterized in that, the sidewall of described casing offers the seal groove towards upper cover plate, is provided with sealing band in described seal groove.

3. side bearing according to claim 2, is characterized in that, the top of described sealing band is higher than the top of wall box.

4. side bearing according to claim 1, is characterized in that, described upper cover plate is provided with vent, and described casing is provided with tap hole.

5. side bearing according to claim 1, is characterized in that, described bottom half is provided with deposit chamber, and described deposit chamber is for precipitating the impurity in described lubricating fluid.

6. side bearing according to claim 1, is characterized in that, the both sides of described upper cover plate are provided with the projection to casing direction.

7. the side bearing according to any one of claim 1-6, is characterized in that, described retainer is provided with the groove of the described roller of multiple placement.

8. side bearing according to claim 7, is characterized in that, the volume of described groove surface upwards friction plate part is less than the volume of the downward friction plate part of described groove surface.

9. the side bearing according to any one of claim 1-6, is characterized in that, described upper cover plate, upper friction plate, retainer and lower friction plate are provided with coaxial knock hole.

10. a guideway vehicle, is characterized in that, described guideway vehicle is provided with the side bearing as described in any one of claim 1-9.