CN103496376A - Bogie of railway freight car - Google Patents
Bogie of railway freight car Download PDFInfo
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- CN103496376A CN103496376A CN201310478325.6A CN201310478325A CN103496376A CN 103496376 A CN103496376 A CN 103496376A CN 201310478325 A CN201310478325 A CN 201310478325A CN 103496376 A CN103496376 A CN 103496376A
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Abstract
The invention relates to a bogie of a railway freight car. A hanging type basic braking device is connected with a swing bolster assembly of the bogie and an upper pull rod transmitting braking force, unsprung mass of the bogie is reduced, and the improvement of vehicle operation dynamics performance is facilitated. A brake head is hinged to an end circular shaft of a brake beam; when car braking is carried out, the brake head can rotate around the end circular shaft of the brake beam, the brake head can be better attached to a wheel tread, and braking performance is improved. The hanging type basic braking device is hung on the swing bolster assembly of the bogie; when car braking is released, the hanging type basic braking device only bears friction resistance when a hinge pin portion rotates, the friction resistance is relatively low, and the improvement of brake releasing performance is facilitated. Installation requirements of a bare weight valve connecting branch pipe for penetrating through the swing bolster assembly can further be met. Accordingly, the bogie of the railway freight car is simple in structure, high in practicability and convenient to maintain, meanwhile enables damping resistance to be stable, enables diamond resistant rigidity to be higher, and is stable in operation performance.
Description
Technical field
The invention belongs to the railway transportation field, relate in particular to a kind of railway goods train bogie.
Background technology
Roller bearing adapter stabilizer bar is the critical component of railway freight car, in the composition of railway truck, is relatively independent parts.General roller bearing adapter stabilizer bar mainly by wheel to forming, several parts such as spring damper, bogie side frame, bolster and foundation brake rigging form.Because the quantity of roller bearing adapter stabilizer bar is larger, for the General Requirements of roller bearing adapter stabilizer bar, be: simple and reasonable, safe and reliable, drive ability is good, cheap for manufacturing cost, and Maintenance and Repair are convenient etc.At present, the roller bearing adapter stabilizer bar structural shape that China is used mainly contains three kinds: 1, take to install additional elasticity lower cross-braced bogie pull rod device between side frames; 2, take to set up a spring plank in side frames, the pillow spring is placed on spring plank, under spring plank with shake the seat be connected, shaking seat is placed in and shakes in seat supporting, shaking seat is carried in bogie side frame, between side frame guide and adapter, drawing strickle guide is set and shakes seat, form exclusive swing type bogie structure; 3, on the basis of three piece truck, right two of a left and right adapter of wheel is connected, forms secondary framework, then by former and later two secondary frameworks with the intertie pin joint together with, the formation self guide mechanism.
Above various bogie truck all adopts the single brake shoe foundation brake rigging, slide block by its brake beam termination is overlapped in the chute of bogie side frame, when car brakeing or alleviation, the slide block of brake beam termination moves along bogie side frame chute direction, produce friction drag with the bogie side frame chute, braking or the mitigation performance of vehicle caused to adverse effect.And above various bogie truck is in order to increase its diamond resistant rigidity, and the structure of employing is more complicated all, and manufacturing cost is higher, to Maintenance and Repair, makes troubles simultaneously.
Summary of the invention
Purpose of the present invention is exactly for above-mentioned defect, provide a kind of simple in structure, brake and alleviate railway goods train bogie functional and that drive ability is stable.
For achieving the above object, the railway goods train bogie that the present invention is designed, comprise that front and back wheel is to forming, two bogie side frames form, a bolster forms, two groups of central authorities' bearing springs, four oblique wedge vibration dampers, and suspension type foundation brake rigging, described two ends of taking turns forming are equipped with rolling bearing system, the two ends drawing strickle guide that described bogie side frame forms is carried on rolling bearing system by adapter, the two ends that described bolster forms are arranged on central bearing spring, described central bearing spring is carried on the central square frame spring bearing platform face of bogie side frame composition, described oblique wedge vibration damper is arranged between the side frame column friction plate of wedge groove that bolster forms the side, two ends and bogie side frame composition, described bolster forms the two ends, top and is provided with the side bearing box, bottom side bearing is installed in described side bearing box to be formed.
The middle part, side that described bolster forms is symmetrically arranged with two brake beam hanger rod bearings, the another side middle position that described bolster forms is provided with the dead lever fulcrum seat, and described bolster forms the upper bilateral symmetry corresponding to the side bearing box and is provided with four brake beam arms.
Described suspension type foundation brake rigging comprises that two are the brake beam composition of equilateral triangle supporting structure, two pairs of brake levers, four brake shoes and a lower link, the middle part of two brake beam compositions is respectively arranged with pillar, the middle part of one of them pillar and first pair of brake lever is hinged, and the middle part of another pillar and second pair of brake lever is hinged; The upper end of first pair of brake lever is used for the top rod of motor vehicle braking system hinged, and an end of the lower end of first pair of brake lever and lower link is hinged; The dead lever fulcrum seat that the upper end of second pair of brake lever and bolster form is hinged, and the lower end of second pair of brake lever and the other end of lower link are hinged.
The two ends symmetry that described two brake beams form is hinged with four brake heads, be installed with respectively four brake shoes on four brake heads, four brake heads are also hinged with the lower end of four suspension rods respectively, and four brake beam arms that the upper end of four suspension rods forms with bolster respectively are hinged.
The jointed shaft of described first pair of brake lever and pillar is also hinged with the lower end of a pair of brake beam suspension rod, and two brake beam hanger rod bearings that the upper end of a pair of brake beam suspension rod forms with bolster respectively are hinged.
Further, the side opening that described bolster forms is provided with the areole passed for bare weight valve connecting branch, and the below of described areole is provided with the bolster supporting plate for bare weight valve connecting branch one end location; The end inner chamber lower plane that described bolster forms is provided with the interior bearing for bare weight valve connecting branch other end location.
Further, described bolster forms wedge trench bottom that two ends the are arranged symmetrically with end gusset that extended internally, the inner chamber that described bolster forms is provided with the hollow supporting rib, gusset in the middle of described hollow supporting rib two ends are outward extended with, in the middle of described, gusset extends between two end gussets, thereby forms the gap of passing for bare weight valve connecting branch.
Further, described brake beam forms and comprises a straight strut, an arch bar and two brake beam terminations, the two ends of described straight strut put in respectively in the straight hole of two brake beam terminations and are welded and fixed, and the two ends of described arch bar put in respectively in the inclined hole of two brake beam terminations and are welded and fixed; The two ends of described pillar are supported and fixed on respectively the middle part of straight strut and arch bar; Described brake head comprises circular hole and the middle circular hole of brake head on brake head, and on described brake head, the lower end of circular hole and suspension rod is hinged, and the circular shaft in the middle of described brake head on circular hole and brake beam termination is hinged.
Further, be provided with the arc carrying surface with intermediate groove on described brake head, be provided with the arc attachment face with intermediate flange on described brake shoe, described arc carrying surface and arc attachment face snug fit, described intermediate groove is set and is coordinated with intermediate flange; And also be provided with the brake shoe key through both pin holes on described brake head and brake shoe, thereby be fixed on brake head brake shoe is firm.
Further, an end of described lower link is provided with the first circular hole and the second circular hole, in order to regulate the hinge-point of first pair of brake lever lower end and lower link one end; The other end of described lower link is provided with the 3rd circular hole, the 4th circular hole and the 5th circular hole, in order to regulate the hinge-point of second pair of brake lever lower end and the lower link other end.
Further, described brake lever is straight lever, and the angle of its longitudinal plane of symmetry and the vertical vertical guide of motor vehicle braking system is zero.
Further, the drawing strickle guide end face that described bogie side frame forms is equipped with the drawing strickle guide wearing plate, and described drawing strickle guide wearing plate is hatch frame, and its open top size is greater than the end face width of drawing strickle guide, and its opening middle part undersized is in the end face width of drawing strickle guide; Described drawing strickle guide wearing plate is carried on the end face of adapter.
Further, described oblique wedge vibration damper comprises wedge with containing cavity, is arranged on vibration damping outer spring and vibration damping inner spring in the wedge containing cavity; The side frame column friction plate frictional fit that the main friction face of described wedge and bogie side frame form, the sleeper-swing eight-surface measuring friction plate frictional fit that the Auxiliary friction surface of described wedge and bolster form, and described Auxiliary friction surface is formed with the leaning angle of recessed 2～4 ° of the transverse center vertical guide that forms to bolster.
Described bottom side bearing consists of normal contact elasticity bottom side bearing and forms.
Advantage of the present invention is mainly reflected in following several aspect:
1, it is upper that this suspension type foundation brake rigging is fixed on the truck bolster composition, reduced the unsprung weight of bogie truck, is conducive to improve the dynamic performance of vehicle operating;
2, brake head is hinged on the circular shaft of brake beam termination, and during car brakeing, can the coiling moving beam-ends head circular shaft of brake head rotates, and makes the brake shoe wheel tread of better fitting, and improves deceleration and stopping performance;
3, this suspension type foundation brake rigging is hung on truck bolster forms, when car brakeing is alleviated, and friction drag when foundation brake rigging is rotated by only at the bearing pin position, this friction drag less, be conducive to improve the release of brake performance;
4, vertical vertical guide formation angle of the brake lever of this suspension type foundation brake rigging and pillar and motor vehicle braking system is zero, is conducive to reduce each brake shoe force difference, makes brake shoe and wheel wear even, reduces the vehicle maintenance cost;
5, the employing of brake beam suspension rod, can make brake beam stressed more balanced, prevents brake shoe partial wear; Simultaneously, car brakeing and while alleviating, can prevent that brake beam from doing nodding action effectively, improves the safe reliability of foundation brake rigging;
6, can also meet the installation requirements that bare weight valve connecting branch forms through bolster;
7, this railway goods train bogie is simple in structure, practical, is convenient to Maintenance and Repair; Make that its vibration damping resistance is stable, diamond resistant rigidity is larger, and drive ability is stable simultaneously.
The accompanying drawing explanation
The perspective view that Fig. 1 is bogie truck of the present invention;
The main TV structure schematic diagram that Fig. 2 is bogie truck of the present invention;
The left TV structure schematic diagram that Fig. 3 is bogie truck of the present invention;
The plan structure schematic diagram that Fig. 4 is bogie truck of the present invention;
Fig. 5 is the structural representation that in Fig. 1, bogie side frame forms;
The A-A sectional structure schematic diagram that Fig. 6 is Fig. 5;
The structural representation that Fig. 7 is oblique wedge vibration damper in Fig. 1;
The B-B sectional structure schematic diagram that Fig. 8 is Fig. 7;
The structural representation that Fig. 9 is suspension type foundation brake rigging in Fig. 1;
Figure 10 is the structural representation that in Fig. 1, bolster forms;
Figure 11 is that the suspension type foundation brake rigging forms with bolster and top rod is connected the work schematic diagram;
Figure 12 is that in Fig. 9, brake beam forms the structural representation of installing with brake head;
Figure 13 is brake head structural representation in Fig. 9;
Figure 14 is Fig. 9 B-C post structural representation;
The structural representation that Figure 15 is brake beam termination in Fig. 9;
The structural representation that Figure 16 is brake lever in Fig. 9;
The structural representation that Figure 17 is brake beam suspension rod in Fig. 9;
The structural representation that Figure 18 is Fig. 9 middle hanger;
The structural representation that Figure 19 is lower link in Fig. 9;
The structural representation that Figure 20 is brake shoe in Fig. 9;
The front view that Figure 21 is Figure 10;
The C-C schematic diagram that Figure 22 is Figure 21.
In figure, each parts label is as follows: wheel is to forming 1, bogie side frame forms 2, bottom side bearing forms 3, ［ wherein: brake beam forms the straight strut 4.11 of 4.1(to suspension type foundation brake rigging 4, arch bar 4.12), brake lever 4.2(comprises first pair of brake lever 14, second pair of brake lever 15, wherein: upper circular hole 4.2a, middle circular hole 4.2b, lower circular hole 4.2c), brake beam suspension rod 4.3(is wherein: upper circular hole 4.3a, lower circular hole 4.3b), suspension rod 4.4(is wherein: upper circular hole 4.4a, lower circular hole 4.4b), brake shoe key 4.5, brake shoe 4.6(intermediate flange 4.61, arc attachment face 4.62), lower link 4.7(the first circular hole 4.71 and the second circular hole 4.72, the three circular holes 4.73, the 4th circular hole 4.74 and the 5th circular hole 4.75), connect round pin 4.8 ］, rolling bearing system 5, oblique wedge vibration damper 6(is wherein: wedge 6.1, vibration damping outer spring 6.2, vibration damping inner spring 6.3, Auxiliary friction surface 6a), central authorities' bearing spring 7, bolster forms 8(wherein: wedge groove 8.1, bolster framework 8.2, brake beam arm 8.3, brake beam hanger rod bearing 8.4, dead lever fulcrum seat 8.5, truck center plate 8.6, interior bearing 8.7, outer support 8.8, friction face 8a), block key 9, adapter 10, drawing strickle guide 11(is wherein: drawing strickle guide wearing plate 11.1), central square frame spring bearing platform face 12, side bearing box 13, top rod 16, brake head 17(is wherein: on brake head, circular hole 17.1, circular hole 17.2 in the middle of brake head, intermediate groove 17.3, arc carrying surface 17.4), end nut 18, hollow supporting rib 19, brake beam termination 20(is wherein: circular shaft 20.1, straight hole 20.2, inclined hole 20.3), gap 21, pillar 22(is wherein: middle circular hole 22.1, ), areole 23, bolster supporting plate 24, end gusset 25, middle gusset 26, bare weight valve connecting branch 27.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Railway goods train bogie as shown in Figure 1,2,3, 4, comprise that front and back wheel forms to forming 1, two bogie side frame that 2, two bottom side bearings form 3, suspension type foundation brake rigging 4, four rolling bearing systems 5, four oblique wedge vibration dampers 6, two groups of central authorities' bearing springs 7, a bolster form 8, four block keys 9 and four adapters 10 etc.
In conjunction with Fig. 5,6, wherein, take turns the two ends installation rolling bearing system 5 to forming 1, the two ends drawing strickle guide 11 of bogie side frame composition 2 is carried on rolling bearing system 5 by adapter 10; Drawing strickle guide 11 end faces of bogie side frame composition 2 are equipped with drawing strickle guide wearing plate 11.1, drawing strickle guide wearing plate 11.1 is hatch frame, the top dimension of its hatch frame is greater than the end face width of drawing strickle guide 11, the middle part undersized of hatch frame is in the end face width of drawing strickle guide 11, and drawing strickle guide wearing plate 11.1 is installed on bogie side frame by extruding and forms 2 drawing strickle guide 11 top side location; Block key 9 is bolted a side at drawing strickle guide 11 positions that are fixed on bogie side frame composition 2, during the lifting bogie truck, by block key 9, prevents that wheel from dropping to forming 1;
Drawing strickle guide wearing plate 11.1 is carried on the end face of adapter 10, and the circular arc saddle face of adapter 10 drops on rolling bearing system 5;
Central authorities' bearing spring 7 is positioned on the central square frame spring bearing platform face 12 of bogie side frame composition 2, and the two ends of bolster composition 8 are seated on central bearing spring 7.Bottom side bearing forms in the 3 side bearing boxes 13 that are arranged on bolster composition 8, and the bottom side bearing in the present embodiment forms 3 and forms 3 for containing elastomeric normal contact bottom side bearing.In the vehicle operating process, bottom side bearing forms 3 under the effect of car body precompressed compression, produce friction force between upper bottom side bearing friction face, the friction moment direction that the left and right side bearing produces is contrary with the gyratory directions of the relative car body of bogie truck, thereby reach the purpose that suppresses the bogie truck hunting, improve the unstability critical speed of hunting; Simultaneously, bottom side bearing forms 3 can bear a part of vertical load, and the rotational resistance torque that a certain size is provided can to operating bogie truck can also limit the motion of sidewindering of car body to limit its hunting of shaking the head, and is conducive to the antidumping safety of vehicle;
In conjunction with Fig. 7, Fig. 8, oblique wedge vibration damper 6 is arranged on bolster and forms between 8 end sides wedge grooves 8.1 and bogie side frame composition 2.Oblique wedge vibration damper 6 comprises wedge 6.1 with containing cavity, is arranged on the interior vibration damping outer spring 6.2 of wedge 6.1 and vibration damping inner spring 6.3; The main friction face of wedge 6.1 and bogie side frame form 2 side frame column friction plate laminating, and the Auxiliary friction surface 6a of wedge 6.1 and bolster form 8 sleeper-swing eight-surface measuring laminating.Wherein, the Auxiliary friction surface 6a of wedge 6.1 is formed with the upper corresponding friction face 8a of sleeper-swing eight-surface measuring laminating the leaning angle β fallen in to the transverse center vertical guide of bolster composition 8, and the angle that its β is 2 °～4 °, be preferably 3 °.
What in the present embodiment, adopt as shown in Figure 9, is suspension type foundation brake rigging 4.Comprise that two brake beams that are the equilateral triangle supporting structure form 4.1, two pairs of brake levers 4.2, two brake beam suspension rods 4.3, four suspension rods 4.4, four brake shoe keys 4.5, four 17 4 brake shoes of brake head 4.6, lower link 4.7 and 16 and connect round pins 4.8.
As Figure 10, in conjunction with Figure 11, Figure 14, Figure 16, Figure 17, Figure 18, Figure 19, Figure 20, specifically be installed as: brake beam forms 4.1 and comprises a straight strut 4.11, an arch bar 4.12 and two brake beam terminations 20, wherein, the two ends of straight strut 4.11 put in respectively in the straight hole 20.2 of two brake beam terminations 20, the two ends of arch bar 4.12 put in respectively in the inclined hole 20.3 of two brake beam terminations 20, straight hole 20.2 and inclined hole 20.3 peripheries in brake beam termination 20 are welded and fixed, the two ends of pillar 22 are supported and fixed on respectively the middle part of straight strut 4.11 and arch bar 4.12.Two pillars 22 are arranged on respectively two brake beams and form 4.1 middle part, the middle circular hole 4.2b of the middle circular hole 22.1 of one of them pillar 22 and first pair of brake lever 14 is hinged, and the middle circular hole 4.2b of the middle circular hole 22.1 of another pillar 22 and second pair of brake lever 15 is hinged; The upper circular hole 4.2a of first pair of brake lever 14 and the top rod 16 of motor vehicle braking system are hinged, and the lower circular hole 4.2c of first pair of brake lever 14 and an end of lower link 4.7 are hinged; The dead lever fulcrum seat 8.5 that the upper circular hole 4.2a of second pair of brake lever 15 and bolster form on 8 is hinged, and the lower circular hole 4.2c of second pair of brake lever 15 and the other end of lower link 4.7 are hinged.
Particularly, one end of lower link 4.7 is provided with the first circular hole 4.71 and the second circular hole 4.72, the other end of lower link 4.7 is provided with the 3rd circular hole 4.73, the 4th circular hole 4.74 and the 5th circular hole 4.75, is used for regulating the articulated position of first pair of brake lever 14 and the second pair of brake lever 15 and lower link 4.7.
The two ends symmetry of two brake beam compositions 4.1 is hinged with 17, four brake shoes 4.6 of four brake heads and is fixedly mounted on respectively on four brake heads 17.Particularly, the circular shaft 20.1 on the middle circular hole 17.2 of four brake heads 17 and four brake beam terminations 20 is hinged.On four brake heads, 17.1 of circular holes are hinged with the lower circular hole 4.4b of four suspension rods 4.4 respectively, and the brake beam arm 8.3 that the upper circular hole 4.4a of four suspension rods 4.4 and bolster form on 8 is hinged; The middle circular hole 4.2b while of first pair of brake lever 14 is hinged with the lower circular hole 4.3b of the middle circular hole 22.1 of pillar 22 and a pair of brake beam suspension rod 4.3, and two brake beam hanger rod bearings 8.4 that the upper circular hole 4.3a of a pair of brake beam suspension rod 4.3 and bolster form on 8 are hinged.
Be provided with the arc carrying surface 17.4 with intermediate groove 17.3 on brake head 17, be provided with the arc attachment face 4.62 with intermediate flange 4.61 on brake shoe 4.6, arc carrying surface 17.4 and arc attachment face 4.62 snug fit, intermediate groove 17.3 is set and is coordinated with intermediate flange 4.61, and brake head 17 and brake shoe 4.6 also are provided with the brake shoe key 4.5 through both pin holes, thereby be fixed on brake head 17 brake shoe 4.6 is firm, prevent that brake shoe 4.6 from coming off from the arc carrying surface 17.4 of brake head 17.Because brake head 17 is hinged on the circular shaft 20.1 of brake beam termination 20, during car brakeing, brake head 17 can coiling the circular shaft 20.1 of moving beam-ends head 20 rotate, make better laminating wheel tread of brake shoe 4.6, improve deceleration and stopping performance.Simultaneously, the termination of circular shaft 20 adopts end nut 18 to block, and also is provided with locking spring cotter on end nut 18.
Between above-mentioned each parts, need hinged place all to adopt connection round pin 4.8 to be hinged and connected, penetrate the spring cotter of anticreep in the uropore of all connection round pins 4.8.
The brake lever 4.2 of this suspension type foundation brake rigging 4 is straight lever, and the angle of vertical vertical guide of its longitudinal plane of symmetry and motor vehicle braking system is zero, is conducive to reduce each brake shoe force difference, makes brake shoe and wheel wear even, reduces the vehicle maintenance cost; Simultaneously, the employing of brake beam suspension rod 4.3, can make brake beam stressed more balanced, prevents brake shoe partial wear; Simultaneously, car brakeing and while alleviating, can prevent that brake beam from doing nodding action effectively, improves the safe reliability of foundation brake rigging.
Be that bolster in the present embodiment forms as shown in figure 10, comprise bolster framework 8.2, containing being arranged on the truck center plate 8.6 of bolster framework 8.2 crowns center, a pair of side bearing box 13 that is arranged on bolster framework 8.2 both sides, top, dead lever fulcrum seat 8.5, cartridge abrasion disc, four brake beam arms 8.3, two brake beam hanger rod bearings 8.4, bolster supporting plate 24, eight wearing plates, interior bearing 8.7, outer support 8.8.Wherein, the cartridge abrasion disc is assemblied in by free-running fit in the truck center plate 8.6 of bolster framework 8.2, and eight wearing plates are welded on the both end sides Eight characters face attachment face of bolster framework 8.2; Two brake beam hanger rod bearings 8.4 are welded on a middle part, side of bolster framework 8.2, and symmetrical with respect to the axis of truck center plate 8.6, be used for suspension type foundation brake rigging 4 on two brake beam suspension rods 4.3 hinged; The another side middle position of bolster framework 8.2 is provided with dead lever fulcrum seat 8.5, be used for suspension type foundation brake rigging 4 on a pair of brake lever 4.2 hinged; Bilateral symmetry corresponding to a pair of side bearing box 13 on bolster framework 8.2 is provided with four brake beam arms 8.3, be used for suspension type foundation brake rigging 4 on four suspension rods 4.4 hinged; Form structure according to above-mentioned bolster, the brake beam arm 8.3 that suspension type foundation brake rigging 4 can form by bolster, brake beam hanger rod bearing 8.4 and dead lever fulcrum seat 8.5 form and are assembled together with bolster.
Brake beam hanger rod bearing 8.4, dead lever fulcrum seat 8.5, brake beam arm 8.3, interior bearing 8.7 and bolster supporting plate 24 all are weldingly connected with bolster framework 8.2.
As shown in figure 11, illustrate that bolster of the present invention forms the specific implementation process of assembling with the suspension type foundation brake rigging, four brake beam arms 8.3 that are welded on bolster framework 8.2 are provided with circular hole, four suspension rod 4.4 tops on the suspension type foundation brake rigging also correspondingly are provided with circular hole, and two circular holes are hinged by connecting round pin; Two brake beam hanger rod bearings 8.4 that are welded on bolster framework 8.2 are provided with circular hole, and two brake beam suspension rod 4.3 tops on the suspension type foundation brake rigging also correspondingly are provided with circular hole, and two circular holes are hinged by connecting round pin; The dead lever fulcrum seat 8.5 be welded on bolster framework 8.2 is provided with circular hole, and a pair of brake lever 4.2 tops on the suspension type foundation brake rigging also correspondingly are provided with circular hole, and two circular holes are hinged by connecting round pin.Bolster composition and suspension type foundation brake rigging, by hinged being assembled together between circular hole, have realized that this bolster forms the function that can be applicable to the assembling of suspension type foundation brake rigging.
Penetrate the spring cotter of anticreep in the uropore of above-mentioned all connection round pins 4.8.
With reference to Figure 11, the bolster of this suspension type foundation brake rigging 4 and bogie truck is formed to 8 and the specific implementation process that are connected of the top rod 16 of transmission braking force, and the real work principle with bogie truck of this suspension type foundation brake rigging describes.
As shown in figure 11, bolster forms four brake beam arms of 8 8.3, two brake beam hanger rod bearings 8.4 and dead lever fulcrum seats 8.5, and above three has the circular hole be connected with suspension type foundation brake rigging 4.Four suspension rods 4.4 of suspension type foundation brake rigging 4 form the circular hole that is connected of brake beam arm 8.3 on 8 by circular hole 4.4a on it with bolster and use the connection round pin hinged, two brake beam suspension rods 4.3 use the connection round pin hinged by circular hole 4.3a on it with the circular hole that is connected that bolster forms the brake beam hanger rod bearing 8.4 on 8, on suspension type foundation brake rigging 4, the upper circular hole 4.2a of the first pair brake lever 14 hinged with brake beam suspension rod 4.3 is hinged with being connected round pin with the circular hole on top rod 10, the upper circular hole 4.2a of second pair of brake lever 15 is hinged with being connected round pin with the circular hole that bolster forms on the dead lever fulcrum seat 8.5 on 8.Possess the braking implemented and alleviate the function of moving by this suspension type foundation brake rigging of above connection mode.
This suspension type foundation brake rigging 4 is fixed on truck bolster and forms on 8, has reduced the unsprung weight of bogie truck, is conducive to improve the dynamic performance of vehicle operating; Simultaneously, when car brakeing is alleviated, the friction drag when suspension type foundation brake rigging is rotated by only at the bearing pin position, this friction drag less, be conducive to improve the release of brake performance.
The principle of work of its braking is: when the top rod 16 that transmits braking force is subject to shown in Figure 11 brake holding load to the right, braking force is delivered on first pair of brake lever 14 by connecting round pin, the connection round pin that first pair of brake lever 14 be take in middle circular hole 4.2b is that fulcrum rotates, make braking force be delivered to the connection round pin in the lower circular hole 4.3c of first pair of brake lever 14, promote the lower link 4.7 hinged with the lower circular hole 4.3c of first pair of brake lever 14 to left movement, it is the fulcrum rotation that lower link 4.7 promotes the connection round pin that second pair of brake lever 15 take in its upper circular hole 4.2a, make the connection round pin in the middle circular hole 4.2b of second pair of brake lever 15 braking force is delivered on the pillar 22 in left side, promote brake beam 4.1 integral body in left side to left movement, the braking force that the pillar 22 on right side is subject to the right simultaneously moves right the brake beam on right side 4.1 integral body, brake beam 4.1 makes brake shoe 4.6 to the wheel tread generation braking effect that reclines after moving in a manner described.
The principle of work of its alleviation is: when the top rod 16 that transmits braking force is subject to shown in Figure 11 alleviation thrust left, alleviation power is delivered on first pair of brake lever 14 by connecting round pin, the connection round pin that first pair of brake lever 14 be take in middle circular hole 4.2b is that fulcrum rotates, make alleviation power be delivered to the connection round pin in the lower circular hole 4.2c of first pair of brake lever 14, pull the lower link 4.7 hinged with the lower circular hole 4.2c of first pair of brake lever 14 to move right, it is that fulcrum rotates that lower link 4.7 pulls second pair of brake lever 15 to take the connection round pin in circular hole 4.2a on it, make the connection round pin in the middle circular hole 4.2b of second pair of brake lever 15 alleviation power is delivered on the pillar 22 in left side, pull brake beam 4.1 integral body in left side to move right, simultaneously the pillar 22 on right side be subject to alleviation power left by the brake beam on right side 4.1 integral body to left movement, brake beam 4.1 makes brake shoe 4.6 leave wheel tread and produces remission effect after moving in a manner described.
With reference to Figure 10, in conjunction with Figure 21, Figure 22, illustrate that bolster of the present invention forms the specific implementation process of inner chamber through bare weight valve connecting branch.For guaranteeing that bare weight valve connecting branch 27 can pass the inner chamber of bolster framework 8.2 smoothly, be provided with the areole 23 passed for bare weight valve connecting branch 27 in a side of bolster framework 8.2, areole 23 is the oval hole shape, the length L in oval hole 23 is 150～160mm, preferred 157mm, height H is 65～75mm, preferably 69mm; Simultaneously, wedge groove 8.1 bottoms that bolster framework 8.2 two ends the are arranged symmetrically with end gusset 25 that extended internally, the inner chamber of bolster framework 8.2 is provided with hollow supporting rib 19, gusset 26 in the middle of hollow supporting rib 19 two ends are outward extended with, middle gusset 26 extends between two end gussets 25, thereby forms the gap 21 of passing for bare weight valve connecting branch 27; And middle gusset 26 is no more than 37mm with the length S1 of end gusset 25 laps, the width S 2 in gap 21 is 30～40mm, preferably 35mm.Bare weight valve connecting branch 27 1 ends penetrate into the inner chamber of bolster framework 8.2 by the oval hole 23 of bolster framework 8.2 1 sides like this, by the middle gusset 26 in bolster framework 8.2 inner chambers and the gap 21 between end gusset 25, a final end outside that arrives bolster framework 8.2, realize that this bolster composition can meet the function of bare weight valve connecting branch through its inner chamber.
Simultaneously, the lower position in oval hole 23 is welded with the fixedly bolster supporting plate 24 of bare weight valve connecting branch 27 1 ends, and an end inner chamber lower plane of bolster framework 8.2 is welded with the fixedly interior bearing 8.7 of bare weight valve connecting branch 27 other ends.In addition, interior bearing 8.7 and outer support 8.8 are welded on respectively on the upper plane of the inner chamber lower plane of bolster framework 8.2 same ends and bolster framework 8.2, and outer support 8.8 is for the fixing outside arm be connected with bare weight valve connecting branch 27.
This railway goods train bogie is simple in structure, practical, is convenient to Maintenance and Repair; Make that its vibration damping resistance is stable, diamond resistant rigidity is larger, and drive ability is stable simultaneously.
It should be noted last that, the above specific embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to example, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (10)
1. a railway goods train bogie, comprise that front and back wheel is to forming (1), two bogie side frames form (2), a bolster forms (8), two groups of central authorities' bearing springs (7), four oblique wedge vibration dampers (6), and suspension type foundation brake rigging (4), described two ends of taking turns forming (1) are equipped with rolling bearing system (5), the two ends drawing strickle guide (11) that described bogie side frame forms (2) is carried on rolling bearing system (5) by adapter (10), the two ends that described bolster forms (8) are arranged on central bearing spring (7), described central bearing spring (7) is carried on the central square frame spring bearing platform face (12) of bogie side frame composition (2), wedge groove (8.1) and bogie side frame that described oblique wedge vibration damper (6) is arranged on bolster composition (8) side, two ends form between the side frame column friction plate of (2), described bolster forms (8) two ends, top and is provided with side bearing box (13), bottom side bearing is installed in described side bearing box (13) and forms (3), it is characterized in that:
The middle part, side that described bolster forms (8) is symmetrically arranged with two brake beam hanger rod bearings (8.4), the another side middle position that described bolster forms (8) is provided with dead lever fulcrum seat (8.5), and described bolster forms (8) upper bilateral symmetry corresponding to side bearing box (13) and is provided with four brake beam arms (8.3);
Described suspension type foundation brake rigging (4) comprises that two brake beams that are the equilateral triangle supporting structure form (4.1), two pairs of brake levers (4.2), four brake shoes (4.6) and a lower link (4.7), the middle part of two brake beam compositions (4.1) is respectively arranged with pillar (22), one of them pillar (22) is hinged with the middle part of first pair of brake lever (14), and another pillar (22) is hinged with the middle part of second pair of brake lever (15); The upper end of first pair of brake lever (14) is used for the top rod (16) of motor vehicle braking system hinged, and an end of the lower end of first pair of brake lever (14) and lower link (4.7) is hinged; The dead lever fulcrum seat (8.5) that the upper end of second pair of brake lever (15) and bolster form on (8) is hinged, and the other end of the lower end of second pair of brake lever (15) and lower link (4.7) is hinged;
The two ends symmetry that described two brake beams form (4.1) is hinged with four brake heads (17), be installed with respectively four brake shoes (4.6) on four brake heads (17), four brake heads (17) are also hinged with the lower end of four suspension rods (4.4) respectively, and the upper end of four suspension rods (4.4) is hinged with four brake beam arms (8.3) that bolster forms on (8) respectively;
Described first pair of brake lever (14) is also hinged with the lower end of a pair of brake beam suspension rod (4.3) with the jointed shaft of pillar (22), and the upper end of a pair of brake beam suspension rod (4.3) is hinged with two brake beam hanger rod bearings (8.4) that bolster forms on (8) respectively.
2. railway goods train bogie according to claim 1, it is characterized in that: the side opening that described bolster forms (8) is provided with the areole (23) passed for bare weight valve connecting branch (27), and the below of described areole (23) is provided with the bolster supporting plate (24) for bare weight valve connecting branch (27) one end location; The end inner chamber lower plane that described bolster forms (8) is provided with the interior bearing (8.7) for bare weight valve connecting branch (27) other end location.
3. railway goods train bogie according to claim 2, it is characterized in that: end gusset (25) has extended internally bottom the wedge groove (8.1) that described bolster composition (8) two ends are arranged symmetrically with, the inner chamber that described bolster forms (8) is provided with hollow supporting rib (19), gusset (26) in the middle of described hollow supporting rib (19) two ends are outward extended with, in the middle of described, gusset (26) extends between two end gussets (25), thereby forms the gap (21) of passing for bare weight valve connecting branch (27).
4. according to claim 1 or 2 or 3 described railway goods train bogies, it is characterized in that: described brake beam forms (4.1) and comprises a straight strut (4.11), an arch bar (4.12) and two brake beam terminations (20), the two ends of described straight strut (4.11) put in respectively in the straight hole (20.2) of two brake beam terminations (20) and are welded and fixed, and the two ends of described arch bar (4.12) put in respectively in the inclined hole (20.3) of two brake beam terminations (20) and are welded and fixed; The two ends of described pillar (22) are supported and fixed on respectively the middle part of straight strut (4.11) and arch bar (4.12); Described brake head (17) comprises circular hole on brake head (17.1) and the middle circular hole (17.2) of brake head, circular hole on described brake head (17.1) is hinged with the lower end of suspension rod (4.4), and in the middle of described brake head, circular hole (17.2) is hinged with the circular shaft (20.1) on brake beam termination (20).
5. according to claim 1 or 2 or 3 described railway goods train bogies, it is characterized in that: the arc carrying surface (17.4) that is provided with band intermediate groove (17.3) on described brake head (17), be provided with the arc attachment face (4.62) of band intermediate flange (4.61) on described brake shoe (4.6), described arc carrying surface (17.4) and arc attachment face (4.62) snug fit, described intermediate groove (17.3) is set and is coordinated with intermediate flange (4.61); And also be provided with the brake shoe key (4.5) through both pin holes on described brake head (17) and brake shoe (4.6), thereby be fixed on brake head (17) brake shoe (4.6) is firm.
6. according to claim 1 or 2 or 3 described railway goods train bogies, it is characterized in that: an end of described lower link (4.7) is provided with the first circular hole (4.71) and the second circular hole (4.72), in order to regulate the hinge-point of first pair of brake lever (14) lower end and lower link (4.7) one ends; The other end of described lower link (4.7) is provided with the 3rd circular hole (4.73), the 4th circular hole (4.74) and the 5th circular hole (4.75), in order to regulate the hinge-point of second pair of brake lever (15) lower end and lower link (4.7) other end.
7. according to claim 1 or 2 or 3 described railway goods train bogies, it is characterized in that: described brake lever (4.2) is straight lever, and the angle of its longitudinal plane of symmetry and the vertical vertical guide of motor vehicle braking system is zero.
8. according to claim 1 or 2 or 3 described railway goods train bogies, it is characterized in that: drawing strickle guide (11) end face that described bogie side frame forms (2) is equipped with drawing strickle guide wearing plate (11.1), described drawing strickle guide wearing plate (11.1) is hatch frame, its open top size is greater than the end face width of drawing strickle guide (11), and its opening middle part undersized is in the end face width of drawing strickle guide (11); Described drawing strickle guide wearing plate (11.1) is carried on the end face of adapter (10).
9. according to claim 1 or 2 or 3 described railway goods train bogies, it is characterized in that: described oblique wedge vibration damper (6) comprises wedge (6.1) with containing cavity, is arranged on vibration damping outer spring (6.2) and vibration damping inner spring (6.3) in wedge (6.1) containing cavity; The main friction face of described wedge (6.1) and bogie side frame form the side frame column friction plate frictional fit of (2), the Auxiliary friction surface (6a) of described wedge (6.1) and bolster form sleeper-swing eight-surface measuring friction plate (8a) frictional fit of (8), and described Auxiliary friction surface (6a) is formed with the leaning angle that forms recessed 2～4 ° of the transverse center vertical guide of (8) to bolster.
10. according to claim 1 or 2 or 3 described railway goods train bogies, it is characterized in that: described bottom side bearing forms (3) and forms for normal contact elasticity bottom side bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310478325.6A CN103496376B (en) | 2013-10-14 | 2013-10-14 | Railway goods train bogie |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310478325.6A CN103496376B (en) | 2013-10-14 | 2013-10-14 | Railway goods train bogie |
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| Publication Number | Publication Date |
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| CN103496376A true CN103496376A (en) | 2014-01-08 |
| CN103496376B CN103496376B (en) | 2016-08-10 |
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| CN201310478325.6A Active CN103496376B (en) | 2013-10-14 | 2013-10-14 | Railway goods train bogie |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103707900A (en) * | 2013-12-17 | 2014-04-09 | 鞍钢集团铁路运输设备制造公司 | Electro-hydraulic braking device of electric locomotive |
| CN105329055A (en) * | 2015-12-02 | 2016-02-17 | 南车长江车辆有限公司 | Bearing and connecting device for highway-railway combined transport vehicle |
| CN106735152A (en) * | 2016-12-29 | 2017-05-31 | 芜湖新兴铸管有限责任公司 | Hot-metal ladle and carriage EEF bogie bolster buffer spring anti-drop device |
| WO2017113983A1 (en) * | 2015-12-30 | 2017-07-06 | 中车长江车辆有限公司 | Anti-derailing bogie based on adapter positioning detection and derailing detection method |
| CN107215345A (en) * | 2017-07-03 | 2017-09-29 | 中车太原机车车辆有限公司 | Dregs hopper wagon |
| CN107310589A (en) * | 2017-07-04 | 2017-11-03 | 中车齐齐哈尔车辆有限公司 | A kind of rail vehicle truck and its side frame |
| CN108099936A (en) * | 2018-01-10 | 2018-06-01 | 张家港保税区泰德瑞尔轨道科技有限公司 | Railway truck bearing anti-drop device and its side frame |
| CN109153391A (en) * | 2016-05-11 | 2019-01-04 | 西屋空气制动设备技术公司 | Clast for bogie installation braking system removes brake head |
| CN111216757A (en) * | 2020-03-11 | 2020-06-02 | 中车山东机车车辆有限公司 | Inner side framework type self-steering bogie and railway wagon |
| CN111301462A (en) * | 2020-03-16 | 2020-06-19 | 成都工业学院 | Railway wagon bogie with normal friction and variable friction wedge damping performance |
| CN111391878A (en) * | 2020-03-25 | 2020-07-10 | 中车齐齐哈尔车辆有限公司 | Railway wagon, bogie and swing bolster wedge assembly thereof |
| CN112406930A (en) * | 2020-11-27 | 2021-02-26 | 中车长江铜陵车辆有限公司 | Swing bolster of bogie |
| CN114264544A (en) * | 2021-12-03 | 2022-04-01 | 中车山东机车车辆有限公司 | Flexible device for static load and fatigue test of brake beam |
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| CN109677440B (en) * | 2019-01-03 | 2020-05-01 | 中车齐齐哈尔车辆有限公司 | Bogie and vehicle with same |
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| WO2017113983A1 (en) * | 2015-12-30 | 2017-07-06 | 中车长江车辆有限公司 | Anti-derailing bogie based on adapter positioning detection and derailing detection method |
| CN109153391A (en) * | 2016-05-11 | 2019-01-04 | 西屋空气制动设备技术公司 | Clast for bogie installation braking system removes brake head |
| CN106735152A (en) * | 2016-12-29 | 2017-05-31 | 芜湖新兴铸管有限责任公司 | Hot-metal ladle and carriage EEF bogie bolster buffer spring anti-drop device |
| CN107215345A (en) * | 2017-07-03 | 2017-09-29 | 中车太原机车车辆有限公司 | Dregs hopper wagon |
| CN107310589A (en) * | 2017-07-04 | 2017-11-03 | 中车齐齐哈尔车辆有限公司 | A kind of rail vehicle truck and its side frame |
| CN108099936A (en) * | 2018-01-10 | 2018-06-01 | 张家港保税区泰德瑞尔轨道科技有限公司 | Railway truck bearing anti-drop device and its side frame |
| CN111216757A (en) * | 2020-03-11 | 2020-06-02 | 中车山东机车车辆有限公司 | Inner side framework type self-steering bogie and railway wagon |
| CN111216757B (en) * | 2020-03-11 | 2024-05-28 | 中车山东机车车辆有限公司 | Inner side frame type self-guiding bogie and railway wagon |
| CN111301462A (en) * | 2020-03-16 | 2020-06-19 | 成都工业学院 | Railway wagon bogie with normal friction and variable friction wedge damping performance |
| CN111391878A (en) * | 2020-03-25 | 2020-07-10 | 中车齐齐哈尔车辆有限公司 | Railway wagon, bogie and swing bolster wedge assembly thereof |
| CN112406930A (en) * | 2020-11-27 | 2021-02-26 | 中车长江铜陵车辆有限公司 | Swing bolster of bogie |
| CN114264544A (en) * | 2021-12-03 | 2022-04-01 | 中车山东机车车辆有限公司 | Flexible device for static load and fatigue test of brake beam |
| CN114264544B (en) * | 2021-12-03 | 2024-02-13 | 中车山东机车车辆有限公司 | Flexible device for static load and fatigue test of brake beam |
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