CN102019940A - Traction device and rail car - Google Patents
Traction device and rail car Download PDFInfo
- Publication number
- CN102019940A CN102019940A CN 201010560258 CN201010560258A CN102019940A CN 102019940 A CN102019940 A CN 102019940A CN 201010560258 CN201010560258 CN 201010560258 CN 201010560258 A CN201010560258 A CN 201010560258A CN 102019940 A CN102019940 A CN 102019940A
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- towing pin
- car body
- rubber
- connecting element
- bogie truck
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Abstract
The invention provides a traction device and a rail car. The traction device comprises a car body fastener, an alloy bushing, a rubber traction pin joint and a bogie fastener, wherein the car body fastener is fixedly connected with a car body traction beam, and at least one traction pin is arranged at one side of the car body fastener, which is far from a car body; the alloy bushing is sheathed outside the traction pin and fixedly connected with the traction pin; the rubber traction pin joint is sheathed outside the alloy bushing, and the rubber traction pin joint orderly comprises an outer wall rigid plate and a rubber layer from the inside to the outeside; and the bogie fastener is fixedly connected with a bogie traction box and fixedly connected with the outer wall rigid plate of the rubber traction pin joint. Due to the adoption of the technical scheme, the invention simplifies the structure and effectively transmits traction force and brake force.
Description
Technical field
The present invention relates to the rail vehicle traction technique, relate in particular to a kind of draw gear and rail vehicle.
Background technology
Construction material and personnel's transportation when rail vehicle is mainly used in railway construction and maintenance.Also can be used for carrying out shunting service on circuit, the main track circuit in car depot's section, or the rescue traction of accident train, the transportation of equipment goods and materials and the towage of other unpowered guideway vehicle.
Draw gear is exactly car body and the tractive force that is used for transmitting rail vehicle between the bogie truck, the brake control power that is installed on rail vehicle, the vitals that bears the impulsive force of operational process.In electrically-driven tram car when work,, the approach of transmission of power is: the draw gear → hitch between traction motor → wheel axle box → truck frame → car body and the bogie truck → be pulled object.Therefore, the basic demand to draw gear is: effectively transmitting tractive power and braking force; Itself have enough strength and stiffness, and safety, reliable; Do not influence the bogie truck motion of shaking the head as far as possible; Under the effect of tractive force, bogie truck is as far as possible little with respect to the longitudinal travel of car body; Draw gear structure itself is simple as far as possible.
At present, the railcar body of domestic each manufacturer production and the draw gear between the bogie truck all are the modes that adopts traditional parallel four-bar draw bar traction, be illustrated in figure 1 as the plan structure scheme drawing of existing draw gear, this draw gear becomes the symmetrical structure setting, comprise two draw bars 11, two connecting levers 14 and a pipe link 16, one end A of each draw bar 11 links to each other with car body by pin, its other end links to each other with connecting lever 14 by shank 12, and connecting lever pin-and-hole C is fixed on the framework of bogie truck by bearing pin.
But there is certain defective in the draw gear of said structure: at first, because shank 12 is a rigid construction, need carry by bearing, the gap that exists between shank 12 and the bearing is easy to generate impact like this, thereby has influenced the transmission of tractive force and braking force; And, be provided with parts such as connecting lever, shank, bar, the structure relative complex; In addition, traditional draw gear ways of connecting because the bonded assembly rod member can not bear the weight of bogie truck self, makes directly integral lifting of bogie truck and car body, be inconvenient to derail back rescue and transition.
Summary of the invention
The invention provides a kind of draw gear and rail vehicle, with simplified structure, effective transmitting tractive power and braking force.
The invention provides a kind of draw gear, comprising:
The car body connecting element is used for captiveing joint with the car body draw beam, and the side that described car body connecting element deviates from car body is provided with at least one towing pin;
The alloy lining is set in the outside of described towing pin, captives joint with described towing pin;
Rubber towing pin joint is set in the outside of described alloy lining, and described rubber towing pin joint comprises outer wall rigid plate and rubber layer from outside to inside successively;
The bogie truck connecting element is used for captiveing joint with bogie truck traction case, and described bogie truck connecting element is captiveed joint with the outer wall rigid plate in described rubber towing pin joint.
The present invention also provides a kind of rail vehicle, comprise car body and bogie truck, wherein, interconnect by the draw gear that any embodiment of the present invention provided between described car body and the bogie truck, the draw beam of described car body links to each other with described car body connecting element, and the traction case of described bogie truck links to each other with described bogie truck connecting element.
Beneficial effect of the present invention is: adopt alloy lining, the nested connection mode with towing pin in rubber towing pin joint, parts such as connecting lever before having replaced and connecting rod simplify the structure; Adopt alloy lining and elastic caoutchouc towing pin joint, more effective transmitting tractive power and braking force.
Description of drawings
Fig. 1 is the plan structure scheme drawing of existing draw gear.
Fig. 2 is the structural representation of the draw gear that the embodiment of the invention provided.
Fig. 3 is the birds-eye view of draw gear among Fig. 2.
Fig. 4 is the structural representation in rubber towing pin joint in the embodiment of the invention.
Fig. 5 is the birds-eye view in rubber towing pin joint among Fig. 4.
Fig. 6 is the structural representation of alloy lining in the embodiment of the invention.
Fig. 7 is the structural representation of bogie truck connecting element in the embodiment of the invention.
Fig. 8 is the structural representation of embodiment of the invention center platen.
Main description of reference numerals:
The 11-draw bar; The 12-shank;
13-connects lever pin; The 14-connecting lever;
15-connecting lever pin; The 16-pipe link;
21-car body draw beam; The 22-towing pin;
23-alloy lining; The 24-pressing plate;
25-pressing plate connecting element; 26-rubber towing pin joint;
27-bogie truck connecting element; 28-bogie truck traction case;
29-car body connecting element; The 30-groove;
The 31-reinforced rib; 41-inwall rigid plate;
The 42-rubber layer; 43-outer wall rigid plate.
The specific embodiment
Further specify the technical scheme of the embodiment of the invention below in conjunction with the drawings and specific embodiments.
The structural representation of the draw gear that Fig. 2 provides for the embodiment of the invention, Fig. 3 is the birds-eye view of draw gear among Fig. 2.As shown in Figure 2, this draw gear can comprise car body connecting element 29, alloy lining 23, rubber towing pin joint 26, towing pin 22 and bogie truck connecting element 27, wherein, car body connecting element 29 is used for captiveing joint with car body draw beam 21, and the side that this car body connecting element 29 deviates from car body can be provided with at least one towing pin 22.In the practical application, on each car body the quantity of draw gear can two cover, in every cover draw gear, can one or more towing pins 22 be set in the side that car body connecting element 29 deviates from car body, in order to satisfy the demand of transmitting tractive power and braking force.This alloy lining 23 is set in the outside of towing pin 22, and captives joint with towing pin 22, in order to strengthening the resistance to abrasion of towing pin 22, thereby has increased the service life of towing pin 22.This rubber towing pin joint 26 is set in the outside of alloy lining 23, and as shown in Figure 4, rubber towing pin joint 26 can comprise outer wall rigid plate 43 and rubber layer 42 from outside to inside successively, in order to the power of buffering from all directions of car body and bogie truck.Bogie truck connecting element 27 is used for captiveing joint with bogie truck traction case 28, and bogie truck connecting element 27 is captiveed joint with the outer wall rigid plate 43 in rubber towing pin joint 26.In the present embodiment, as shown in Figure 7, bogie truck connecting element 27 can have the type of the carving firmware of individual through hole for the middle part.Through hole is used for the ccontaining towing pin 22 that wears.
The technical scheme that present embodiment provided, by adopting alloy lining, the nested connection mode with towing pin in rubber towing pin joint, parts such as connecting lever before having replaced and connecting rod simplify the structure; Adopt alloy lining and elastic caoutchouc towing pin joint, more effective transmitting tractive power and braking force.The shock and vibration from all directions can be born, be cushioned in rubber towing pin joint, and produce the elastic deformation of restorability, can adapt to the different conditions in the vehicle track running process.
On the basis of technique scheme, each parts of this draw gear can also be done further improvement, introduce in detail respectively below.
For rubber towing pin joint:
Fig. 4 is the structural representation in rubber towing pin joint in the present embodiment, and Fig. 5 is the plan structure scheme drawing in rubber towing pin joint among Fig. 4.This rubber towing pin joint 26 preferably also comprises inwall rigid plate 41, be arranged between rubber layer 42 and the alloy lining 23, in order to the power of more effective buffering from all directions of car body and bogie truck, can adapt to the distortion that produces in any direction, prolonged the life-span of traction case.
The Shao Er hardness of the rubber of the inwall rigid plate 41 in rubber towing pin joint 26, the intensity of outer wall rigid plate 43 and rubber layer 42 can be adjusted, the radial rigidity of the rubber in rubber towing pin joint 26/axle rigidity/torsional stiffness can reach 8e7N/m respectively, 6e7N/m, 9e7N/m.
For the matching relationship between alloy lining and the towing pin:
Can captive joint by interference fit between alloy lining 23 and the towing pin 22, what make alloy lining 23 and towing pin 22 radially can produce very big deformation, thereby produce very big friction force, and then can come actv. to transmit the tractive force and the braking force of rail vehicle by friction force.
The alloy lining can also be captiveed joint by other modes with towing pin.Because towing pin has very high mechanical strength but not wear-resisting, the alloy lining is wear-resisting but mechanical strength is not strong, thus can handle by reasonable manner, thus make the existing good mechanical strength of draw gear have very high resistance to abrasion again.
For the matching relationship between alloy lining and the rubber towing pin joint:
Be illustrated in figure 6 as the structural representation of alloy lining in the embodiment of the invention, the inwall in the outer wall of alloy lining 23 and rubber towing pin joint 26 can be the trochoidal surface that cooperatively interacts, and the tip of circular cone vertically is provided with down, in order to the power of more effective buffering, particularly can cushion the power on the longitudinal direction from all directions of car body and bogie truck.Simultaneously, rely on the action of gravity of car body, also can make between alloy lining 23 and the rubber towing pin joint 26 be connected more firm.
On the basis of technique scheme, rubber towing pin internal knuckle walls is not limited to be taper shape, also can be other shapes, as sphere etc.
For the annexation between bogie truck connecting element and the outer wall rigid plate:
Bogie truck connecting element 27 can fix connection outer wall rigid plate 43 by two ends of clamping outer wall rigid plate 43.This technical scheme can effectively realize the buffer action of rubber towing pin joint 26 between bogie truck connecting element 27 and alloy lining 23.Two ends of 27 clamping outer walls of bogie truck connecting element rigid plate 43, and not fixedly rubber layer 42 and inwall rigid plate 41 can not hinder the motion of rubber layer 42 and inwall rigid plate 41.And the said fixing mode can be avoided outer wall rigid plate 43 unbalance stress in the process of travelling, avoid part distortion.The mode that grips can also be simplified dismounting process, is convenient to the replacement of parts.
The bogie truck connecting element also can be fixed on the bogie truck traction case by two ends of bolt with the outer wall rigid plate in rubber towing pin joint, can also rubber towing pin arthrodesis be drawn case at bogie truck by other modes.As on the outer wall rigid plate in rubber towing pin joint, fixing by bolt or welding.
Quantity and position for towing pin:
The draw gear of present embodiment can be fixed on the car body connecting element 29, and the quantity in the towing pin 22 of this draw gear, alloy lining 23 and rubber towing pin joint 26 is one, is fixed on the centre of car body connecting element, forms the structure of center pin.
Than the technical scheme that a plurality of towing pins are set, center pin can simplified structure, and concentrated transmitting tractive power and braking force.And locomotive is when the curve, bogie truck and car body are freely turned round and swings.
Structure for the car body connecting element:
On the basis of technique scheme, towing pin 22 places are set on the car body connecting element 29 and can also be formed with groove 30 towards the surface of car body, it is bowl-shape that the shape of this groove 30 can be, and through finite element analysis, this structure can satisfy the requirement of strength of rail vehicle.Can be provided with the reinforced rib 31 that is used to increase groove 30 intensity and reduces towing pin weight in the groove 30, and the shape of reinforced rib 31 can be criss-cross.
Increase pressure plate structure:
Draw gear that it should be noted that present embodiment can also comprise pressing plate 24, is fixedly connected on the end that towing pin 22 stretches into rubber towing pin joint 26, and the areal extent of this pressing plate 24 exceeds the endoporus scope in rubber towing pin joint 26.
Be illustrated in figure 8 as the structural representation of embodiment of the invention center platen, be specially a circular pressing plate 24 that is uniform-distribution with through hole, can pass in the following stomidium that through hole is fixedly connected on towing pin 22 by bolt.
When needs lifting rail vehicle, pressing plate 24 can be by rubber towing pin joint 26 carrying bogie truck weight, draw gear and bogie truck are together lifted by crane, solved the problem that the prior art rail vehicle can not integral lifting, because pressing plate 24 does not contact with rubber towing pin joint 26 under the cruising state, so can not influence the pooling feature in rubber towing pin joint 26.
The embodiment of the invention also provides a kind of rail vehicle, comprise car body and bogie truck, wherein, interconnect by the draw gear that any embodiment of the present invention provided between car body and the bogie truck, the draw beam 21 of car body links to each other with car body connecting element 29, bogie truck traction case 28 links to each other with bogie truck connecting element 27, can be referring to shown in Figure 2.
During installation, at first, draw gear can be fixed on below the car body draw beam 21 by high strength bolt, then, towing pin 22 is inserted in the bogie truck traction case 28, at this moment, towing pin 22 is connected by alloy lining 23 and bogie truck traction case 28 that rubber towing pin joint 26 is housed, tractive force and braking force that can actv. transmission rail vehicle, parts such as connecting lever before having saved and connecting rod, simplify the structure, avoid oil supply simultaneously and safeguard, can cost-cutting.Rubber towing pin joint 26 in the bogie truck traction case 28 can absorb the distortion that all directions produce in the bogie truck operational process, relaxes violent impact.The dynamic performance of this draw gear is good, is particularly useful for that radius of curve is little, the environment of line condition difference.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a draw gear is characterized in that, comprising:
The car body connecting element is used for captiveing joint with the car body draw beam, and the side that described car body connecting element deviates from car body is provided with at least one towing pin;
The alloy lining is set in the outside of described towing pin, captives joint with described towing pin;
Rubber towing pin joint is set in the outside of described alloy lining, and described rubber towing pin joint comprises outer wall rigid plate and rubber layer from outside to inside successively;
The bogie truck connecting element is used for captiveing joint with bogie truck traction case, and described bogie truck connecting element is captiveed joint with the outer wall rigid plate in described rubber towing pin joint.
2. draw gear according to claim 1 is characterized in that: described rubber towing pin joint also comprises the inwall rigid plate, is arranged on described rubber layer inboard.
3. draw gear according to claim 1 is characterized in that: captive joint by interference fit between described alloy lining and the described towing pin.
4. draw gear according to claim 1 is characterized in that: the inwall in the outer wall of described alloy lining and described rubber towing pin joint is the trochoidal surface that cooperatively interacts, and the tip of circular cone vertically is provided with down.
5. draw gear according to claim 1 is characterized in that: described bogie truck connecting element fixes connection outer wall rigid plate by two ends of the described outer wall rigid plate of clamping.
6. draw gear according to claim 1 is characterized in that, also comprises: pressing plate be fixedly connected on the end that described towing pin stretches into described rubber towing pin joint, and the areal extent of described pressing plate exceeds the endoporus scope in described rubber towing pin joint.
7. draw gear according to claim 1 is characterized in that: the quantity in described towing pin, alloy lining and rubber towing pin joint is one, is fixed on the centre of described car body connecting element.
8. draw gear according to claim 1 is characterized in that: the towing pin place is set on the described car body connecting element and is formed with groove towards the surface of car body, the shape of described groove is bowl-shape.
9. draw gear according to claim 8 is characterized in that: be provided with reinforced rib in the described groove, described reinforced rib be shaped as criss-cross.
10. rail vehicle, comprise car body and bogie truck, it is characterized in that: interconnect by the arbitrary described draw gear of claim 1～9 between described car body and the bogie truck, the draw beam of described car body links to each other with described car body connecting element, and the traction case of described bogie truck links to each other with described bogie truck connecting element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010560258 CN102019940B (en) | 2010-11-23 | 2010-11-23 | Draw gear and railcar |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010560258 CN102019940B (en) | 2010-11-23 | 2010-11-23 | Draw gear and railcar |
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| CN102019940A true CN102019940A (en) | 2011-04-20 |
| CN102019940B CN102019940B (en) | 2013-09-11 |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640587A (en) * | 2013-11-26 | 2014-03-19 | 南车株洲电力机车有限公司 | Co bogie for electric shunting locomotive |
| CN103693062A (en) * | 2013-12-01 | 2014-04-02 | 太原轨道交通装备有限责任公司 | Floating type center pin drawing device |
| CN104442887A (en) * | 2014-11-26 | 2015-03-25 | 西南交通大学 | Traction center pin device for suspended monorail vehicle |
| WO2015192985A1 (en) * | 2014-06-17 | 2015-12-23 | Siemens Ag Österreich | King bolt for transmitting longitudinal and transverse forces between a bogie and a carriage body |
| CN105980229A (en) * | 2014-02-10 | 2016-09-28 | 西门子公司 | Rail vehicle, in particular a locomotive |
| CN106627634A (en) * | 2016-10-31 | 2017-05-10 | 中车兰州机车有限公司 | Center pin traction device |
| CN106891911A (en) * | 2017-03-06 | 2017-06-27 | 宝鸡中车时代工程机械有限公司 | For the center ball pin draw-gear that vehicle frame is connected with bogie |
| WO2017118265A1 (en) * | 2016-01-05 | 2017-07-13 | 中车青岛四方机车车辆股份有限公司 | Central traction device for straddling monorail train |
| CN106958658A (en) * | 2017-05-15 | 2017-07-18 | 中车太原机车车辆有限公司 | Towing pin sealing structure |
| CN107117183A (en) * | 2017-04-26 | 2017-09-01 | 中车唐山机车车辆有限公司 | Central traction apparatus and rail vehicle for rail vehicle |
| WO2018049721A1 (en) * | 2016-09-19 | 2018-03-22 | 中车大连机车车辆有限公司 | End beam structure with built-in rubber joint for bogie |
| CN108819976A (en) * | 2018-08-25 | 2018-11-16 | 中铁长安重工有限公司 | A kind of tunnel traction engine |
| CN108944983A (en) * | 2018-08-25 | 2018-12-07 | 中铁长安重工有限公司 | A kind of tunnel traction engine vibration absorber |
| CN110001665A (en) * | 2019-04-15 | 2019-07-12 | 成都市新筑路桥机械股份有限公司 | A kind of central suspension system of suspension type monorail |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103640587A (en) * | 2013-11-26 | 2014-03-19 | 南车株洲电力机车有限公司 | Co bogie for electric shunting locomotive |
| CN103693062A (en) * | 2013-12-01 | 2014-04-02 | 太原轨道交通装备有限责任公司 | Floating type center pin drawing device |
| CN103693062B (en) * | 2013-12-01 | 2016-05-11 | 太原轨道交通装备有限责任公司 | Floating type central pin traction device |
| CN105980229B (en) * | 2014-02-10 | 2022-02-08 | 西门子交通有限公司 | Rail vehicle, in particular a locomotive |
| US10059350B2 (en) | 2014-02-10 | 2018-08-28 | Siemens Aktiengesellschaft | Rail vehicle, in particular a locomotive |
| CN105980229A (en) * | 2014-02-10 | 2016-09-28 | 西门子公司 | Rail vehicle, in particular a locomotive |
| RU2646697C1 (en) * | 2014-06-17 | 2018-03-06 | Сименс Аг Эстеррайх | Submersible trunnion for transfer of longitudinal and transverse forces between swivel truck and car body |
| CN106458231A (en) * | 2014-06-17 | 2017-02-22 | 奥地利西门子公司 | King bolt for transmitting longitudinal and transverse forces between a bogie and a carriage body |
| WO2015192985A1 (en) * | 2014-06-17 | 2015-12-23 | Siemens Ag Österreich | King bolt for transmitting longitudinal and transverse forces between a bogie and a carriage body |
| CN106458231B (en) * | 2014-06-17 | 2020-01-07 | 西门子交通有限责任公司 | Kingpin for transmitting longitudinal and transverse forces between a bogie and a vehicle body |
| CN104442887A (en) * | 2014-11-26 | 2015-03-25 | 西南交通大学 | Traction center pin device for suspended monorail vehicle |
| US10507847B2 (en) | 2016-01-05 | 2019-12-17 | Crrc Qingdao Sifang Co., Ltd. | Central traction device for straddling monorail train |
| WO2017118265A1 (en) * | 2016-01-05 | 2017-07-13 | 中车青岛四方机车车辆股份有限公司 | Central traction device for straddling monorail train |
| WO2018049721A1 (en) * | 2016-09-19 | 2018-03-22 | 中车大连机车车辆有限公司 | End beam structure with built-in rubber joint for bogie |
| CN106627634A (en) * | 2016-10-31 | 2017-05-10 | 中车兰州机车有限公司 | Center pin traction device |
| CN106891911A (en) * | 2017-03-06 | 2017-06-27 | 宝鸡中车时代工程机械有限公司 | For the center ball pin draw-gear that vehicle frame is connected with bogie |
| CN107117183A (en) * | 2017-04-26 | 2017-09-01 | 中车唐山机车车辆有限公司 | Central traction apparatus and rail vehicle for rail vehicle |
| WO2018196392A1 (en) * | 2017-04-26 | 2018-11-01 | 中车唐山机车车辆有限公司 | Central traction device for railway vehicle and railway vehicle |
| CN106958658A (en) * | 2017-05-15 | 2017-07-18 | 中车太原机车车辆有限公司 | Towing pin sealing structure |
| CN108944983A (en) * | 2018-08-25 | 2018-12-07 | 中铁长安重工有限公司 | A kind of tunnel traction engine vibration absorber |
| CN108819976A (en) * | 2018-08-25 | 2018-11-16 | 中铁长安重工有限公司 | A kind of tunnel traction engine |
| CN108819976B (en) * | 2018-08-25 | 2024-03-29 | 中铁长安重工有限公司 | Tunnel traction locomotive |
| CN110001665A (en) * | 2019-04-15 | 2019-07-12 | 成都市新筑路桥机械股份有限公司 | A kind of central suspension system of suspension type monorail |
| CN110001665B (en) * | 2019-04-15 | 2023-11-21 | 成都市新筑路桥机械股份有限公司 | Central suspension system of suspension type monorail |
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