CN110816581B - Highway and railway dual-purpose transport vechicle group even hangs device - Google Patents
Highway and railway dual-purpose transport vechicle group even hangs device Download PDFInfo
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- CN110816581B CN110816581B CN201911226782.XA CN201911226782A CN110816581B CN 110816581 B CN110816581 B CN 110816581B CN 201911226782 A CN201911226782 A CN 201911226782A CN 110816581 B CN110816581 B CN 110816581B
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- 238000005452 bending Methods 0.000 claims description 19
- 238000005096 rolling process Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000000452 restraining effect Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 13
- 241000271559 Dromaiidae Species 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 27
- 238000010168 coupling process Methods 0.000 description 25
- 238000005859 coupling reaction Methods 0.000 description 25
- 238000013461 design Methods 0.000 description 11
- 238000010008 shearing Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G5/00—Couplings for special purposes not otherwise provided for
- B61G5/02—Couplings for special purposes not otherwise provided for for coupling articulated trains, locomotives and tenders or the bogies of a vehicle; Coupling by means of a single coupling bar; Couplings preventing or limiting relative lateral movement of vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/24—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/24—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions
- B60D1/30—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions for sway control, e.g. stabilising or anti-fishtail devices; Sway alarm means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G7/00—Details or accessories
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Abstract
The invention discloses a highway and railway dual-purpose transport vehicle group connecting and hanging device, and relates to the technical field of railway trucks; the connecting plate is fixedly arranged on a knuckle bogie frame, both ends of the connecting plate are provided with connecting sections, the connecting sections at both ends of the connecting plate are provided with spherical hinge mounting holes and are provided with spherical hinges, the connecting plate is provided with connecting round pin holes corresponding to the spherical hinge center holes, and the connecting round pins penetrate through the connecting plate spherical hinge center holes and the connecting round pin holes from bottom to top to finish the connection of two adjacent road-railway semitrailers at both sides of the knuckle bogie in the travelling direction of the knuckle bogie; through implementing this technical scheme, can effectively solve current highway and railway dual-purpose transport vechicle group and link device its structure complicacy and lead to the technical problem that transportation economy is low, both can realize reducing the invalid dead weight of transport vechicle group, can also satisfy the arbitrary two-way and highway and railway dual-purpose trailer of joint bogie and link the marshalling to guarantee that the inside longitudinal force transmission of EMUs is even, improve train performance and transportation economy.
Description
Technical Field
The invention relates to the technical field of railway wagons, in particular to a highway and railway dual-purpose transport vehicle group connecting and hanging device.
Background
The railway transportation has the characteristics of safety, reliability, environment friendliness, low cost, large transportation energy and all-weather operation, meanwhile, the road transportation has the advantages of flexibility and service to the doors, the combined efficiency and the overall advantages of two transportation modes of the railway and the road can be fully exerted by the combined transportation of the public and the railway, the loading and unloading times of different transportation modes of cargoes are reduced, seamless-connection door-to-door service is provided for a cargo owner, and the comprehensive transportation development direction is represented. The existing highway and railway dual-purpose truck comprises two special bogies and a highway and railway dual-purpose semitrailer, wherein one end of each special bogie is provided with a traditional railway truck coupler, the other end of each special bogie is provided with a connecting and hanging device, two ends of each highway and railway dual-purpose semitrailer are respectively connected with the connecting and hanging devices of the corresponding special bogies, and if a plurality of highway and railway dual-purpose semitrailers are required to be grouped, the coupler buffering devices of the adjacent special bogies are required to be connected with each other to form a transport vehicle group.
However, in the implementation of the embodiment of the present application, the present inventors have found that at least the following technical problems exist in the above prior art: the transport vehicle set formed by the existing connecting and hanging device has complex structure and heavy dead weight; the gaps among vehicles are larger, and the number of the vehicle marshalling is small; meanwhile, the railway wagon coupler buffer device is arranged in a traction beam of a special bogie frame, and a coupling device which is coupled with the highway and railway semitrailer is arranged on the upper plane of the special bogie frame, so that the height of a coupling center in a transport vehicle set is alternately changed in a gradient manner, the longitudinal force transmission of a train is uneven, an additional bending moment is generated in the height direction of the train set, additional resistance is easily generated in the horizontal direction, and the influence on the running performance of the transport vehicle set is large; the special bogie connecting and hanging device can only realize the unidirectional and highway-railway semitrailer grouping of the special bogie, the arrangement of the bogie during the grouping is directed, the difficulty is brought to the use and management of the transport vehicle group, the grouping speed is low, and the transport economy is low.
Disclosure of Invention
The invention aims to solve the technical problem that the transportation economy is low due to the complex structure of the conventional highway and railway dual-purpose transportation vehicle connecting and hanging device, and aims to provide the highway and railway dual-purpose transportation vehicle connecting and hanging device which can simplify the internal connecting device of a highway and railway dual-purpose vehicle, reduce the invalid dead weight of the vehicle, reduce the gaps among vehicles, increase the number of vehicle groups and improve the transportation economy; the special bogie in the train set can be effectively used for arbitrary bidirectional coupling and marshalling with the highway-railway semitrailer, the marshalling speed is improved, and the use and management of the transport train set are convenient; the height consistency of the internal linking center of the highway and railway dual-purpose transport vehicle group can be effectively ensured, the longitudinal force transmission of the train is uniform, no additional resistance is generated in the horizontal direction of the vehicle group, the repeated gradient transfer in the height of the longitudinal force of the train can be effectively avoided, the longitudinal force attenuation is reduced, the energy loss is further reduced, the transport economy is improved, and the running performance of the train is good; the marshalling and coupling efficiency of the highway and railway dual-purpose transportation vehicle group can be effectively improved, and the requirements of nodding, head shaking and side rolling degrees of freedom of railway operation working conditions of the highway and railway dual-purpose transportation vehicle group are met.
The technical scheme adopted by the invention is as follows:
a highway and railway dual-purpose transportation vehicle group coupling device comprises
The middle part of the connecting and hanging plate is fixedly arranged on the knuckle bogie frame, the two ends of the connecting and hanging plate are respectively provided with a connecting and hanging section, the connecting and hanging sections at the two ends of the connecting and hanging plate are respectively provided with a spherical hinge mounting hole and a spherical hinge, and the spherical hinge is internally provided with a spherical hinge center hole;
The connecting and hanging seat is arranged in the front end and the rear end beams of the highway and railway dual-purpose hanging seat, and is provided with a connecting round pin hole corresponding to the spherical hinge center hole at the end part of the connecting and hanging plate;
the connecting round pins are respectively inserted into connecting seats in the end beams of the highway and railway dual-purpose trailer at two sides of the travelling direction of the connecting sections at two ends of the connecting plate, and respectively pass through connecting round pin holes on the connecting seats and spherical hinge center holes on the corresponding connecting plates so as to complete the connection and the hanging of the joint bogie and two adjacent highway and railway dual-purpose trailers at two sides of the travelling direction of the joint bogie.
The technical scheme simplifies the internal traction coupling structure of the highway and railway dual-purpose transport vehicle group, reduces the invalid dead weight of the transport vehicle group, reduces the gaps between vehicles in the train, increases the number of the vehicle groups and improves the transportation economy of the vehicle group; meanwhile, the joint bogie can be effectively combined with the highway and railway semitrailer in any two-way mode, so that the combined speed is improved, and the use and management of the transportation vehicle set are facilitated; and this technical scheme adopts the group that sets up at same group link plate both ends to link the section and the two-purpose semitrailer end beam of its advancing direction both sides in the group link seat connect, and then realize quick marshalling between the two-purpose semitrailer of highway and railway and link, the mode that current needs to adopt traditional railway freight car coupler to link device or auxiliary connection device to carry out marshalling to link in the transportation set inside has been cancelled, can effectively avoid linking device and the public indisputable intermodal transportation to link and link the high inconsistent technical problem who leads to the vertical force transmission of train of device and link center, train operation security has been improved, and train running performance can effectively be improved.
Optionally, the link plate is dumbbell-shaped symmetrical flat plate structure, and the middle part is provided with fixed mount pad, link plate passes through fixed mount pad to be fixed on the joint bogie frame. The dumbbell-shaped symmetrical flat plate structure is formed by fixing the mounting seats along the middle of the two ends of the connecting plate, so that the stability of the center support of the connecting plate at the two ends is ensured.
Optionally, the fixed mounting seat includes two ear seats, and the arrangement direction of two ear seats with the extending direction mutually perpendicular who links the link plate, two ear seats are located link plate both sides respectively and set up with linking the central symmetry of link plate. Further guarantee the support stability of fixed mounting seat to even link plate to realize that the vertical force transmission of train is even.
Optionally, the two ends of the connecting plate are embedded with spherical hinges, the spherical hinges comprise a spherical core and two outer spherical sleeves, the spherical hinge center hole is located in the middle of the spherical core along the vertical direction, when the connecting plate is connected, the connecting round pin penetrates through the spherical hinge center hole, the upper end face and the lower end face of the outer spherical sleeves are respectively provided with a shoulder, and a gap is formed between the spherical core and the outer spherical sleeves, so that the spherical core has a swinging degree of freedom and limited side rolling and nodding degrees of freedom relative to the outer spherical sleeves. Therefore, the spherical hinge enables the highway and railway dual-purpose trailer frame to be of a two-force rod structure, and is combined with the design structure of the connecting plate, the fact that the longitudinal force direction of the train set is always along the connecting point connecting line is skillfully realized, the connecting points at the two ends are positioned in the same horizontal direction, the connecting round pins only bear shearing force and do not bear bending moment, the connecting centers at the two ends of the connecting device are kept to be consistent in height, the longitudinal force transmission of the train set is even in height direction, no additional bending moment is generated, and the running performance of the transport train set can be effectively improved.
Optionally, elastic guide sleeves are arranged at two ends of the joint bogie frame, and the connecting round pins sequentially penetrate through the elastic guide sleeves, the connecting hanging plate and the connecting hanging seat from bottom to top to complete the connection and hanging of the joint bogie and two adjacent highway-railway dual-purpose trailers at two sides of the travelling direction of the joint bogie.
Optionally, the elastic guide sleeve comprises a middle elastomer and an inner steel sleeve and an outer steel sleeve, guide sleeve mounting holes for mounting the elastic guide sleeve are formed in two ends of the joint bogie frame, the elastic guide sleeve is used for restraining the connecting round pin to move up and down and only vertically relative to the joint bogie frame, and when the connecting round pin, the ball core and the connecting hanging seat roll together relative to the connecting hanging plate, the connecting round pin can move freely around the ball core.
Optionally, the connection centers at two ends of the connection plate are arranged in a central symmetry manner with respect to the connection plate center, the connection centers at two ends of the connection plate are the same in height, and the connection seats at two ends of the connection plate are positioned on the same horizontal plane, so that no additional bending moment is generated in the height direction in the advancing process of the highway-railway dual-purpose transportation vehicle unit, and no additional resistance is generated in the horizontal direction.
Optionally, the connecting plate is in a waist shape near the middle of the fixed mounting seat, the connecting sections at two ends of the connecting plate are provided with wedge-shaped horizontal guiding contours and vertical guiding contours, the horizontal guiding contours comprise a middle minor arc section, and a first folding section and a second folding section which are respectively connected with two ends of the middle minor arc section, the first folding section and the second folding section are arranged in a central symmetry mode relative to the middle minor arc section, and bending points at which the first folding section and the second folding section are connected with the middle minor arc section are stress shoulders; the vertical direction guiding profile comprises a middle straight line segment, and a third folding line segment and a fourth folding line segment which are respectively connected with two ends of the middle straight line segment, wherein the third folding line segment and the fourth folding line segment are arranged in a central symmetry mode relative to the middle straight line segment, so that the vertical section of the vertical direction guiding profile is in a quasi-V shape. In addition, a chamfer is arranged at the cross section of the stress shoulder of the connecting plate, so that the connecting seat has a rolling degree of freedom relative to the spherical hinge center hole on the connecting plate.
Optionally, the wedge-shaped horizontal guiding profile and the vertical guiding profile at two ends of the connecting plate are symmetrically arranged about the center of the connecting plate, so that the connecting plate integrally forms a dumbbell-shaped symmetrical structure. The longitudinal force of the train is further guaranteed to be uniformly transmitted, no additional bending moment is generated in the height direction of the train, the design of the profile of the connecting section and the spherical hinge at the two ends of the connecting plate is combined, the requirements of the running nodding, head shaking and side rolling degrees of freedom of the railway freight car are met, the gap between vehicles in the train is reduced while rapid marshalling and connecting are realized, and the snaking motion of the highway-railway dual-purpose transportation train unit can be effectively restrained.
Optionally, the guide interface that link to hang section looks adaptation of link to hang the board has in the even hanging seat, guide interface horizontal cross-section is the pseudo-V shape, and installs the side wearing plate along linking on the both sides wall of hanging section direction of inserting of link to hang the board in the guide interface symmetrically, link to hang the atress shoulder of section both sides and the contact of side wearing plate even, link to hang the spherical hinge centre bore at board both ends and be coaxial setting with the connection round pinhole on the corresponding even hanging seat respectively, just guide interface and the even hanging section up end of male and lower terminal surface all have the clearance to make even hanging seat have the nod degree of freedom for linking the spherical hinge centre bore on the link to hang the board. Specifically, the guide interface is embedded in the end beam of the highway and railway dual-purpose frame, the horizontal cross section of the guide interface forms a quasi-V-shaped concave shape, and thus the side wearing plates on two sides can play a reliable guide connection role on the connection section of the connection plate; the tenon bolt of the countersunk head of the side wearing plate is connected with the inner side wall of the guide connecting port, so that the connection is reliable, and meanwhile, the disassembly, the maintenance and the replacement are convenient, and the limiting stability of the side wearing plate is ensured; compared with the existing traction coupling structure, the coupling mode of the technical scheme can effectively avoid the additionally increased invalid weight, ensure the railway transportation stability of the highway and railway dual-purpose freight car, and further greatly improve the railway transportation economy.
As described above, the present invention has at least the following advantageous effects compared with the prior art:
1. The coupling device can effectively realize direct coupling of adjacent two highway and railway dual-purpose trailers of the highway and railway dual-purpose transportation vehicle group through the matching design of the coupling sections at the two ends of the connecting plate and the coupling seats, saves the configuration of the traditional coupler buffer coupling device and the auxiliary connecting device, simplifies the internal traction coupling structure of the highway and railway dual-purpose transportation vehicle group, can obviously reduce the invalid dead weight of the transportation vehicle group, simultaneously reduces the gaps between vehicles, is beneficial to increasing the number of the vehicle groups, and can realize arbitrary bidirectional coupling and coupling grouping of the joint bogie and the highway and railway dual-purpose trailer, so that the highway and railway dual-purpose transportation vehicle group is convenient to use and manage, and the train transportation economy is obviously improved.
2. According to the analysis of the applicant, the important reason of low running performance of the conventional transport vehicle unit is that the conventional coupling device is adopted to easily cause the inconsistent height of the coupling center in the transport vehicle unit, so that the longitudinal force transmission of the train is uneven, and additional resistance is easily generated in the horizontal direction; more importantly, the continuous hanging central lines at the two ends of the train are positioned on the same horizontal plane, so that the longitudinal force of the train can be transferred inside the train set without repeated gradient transfer in the height direction, the attenuation is reduced, no additional resistance is generated in the horizontal direction, and the train running performance and the transportation economy can be remarkably improved.
3. The connecting plate adopts a dumbbell-shaped symmetrical flat plate structure skillfully, has a simple structure, realizes that the connecting sections at the two ends are consistent with the connecting centers of the highway and railway dual-purpose trailers at the two sides of the advancing direction of the connecting sections, can realize quick connecting by using the connecting round pins, and improves the connecting efficiency of the transport vehicle set; and the centers of the two ends are symmetrically arranged about the center of the connecting plate, so that the stability of the design connection structure of the connecting device combined with the knuckle bogie frame is good, and the problems that the height of the connecting center of the connecting device is inconsistent with that of the connecting device for connecting the coupler or the auxiliary connection device for connecting the common rail transportation in the prior art, so that the longitudinal force transmission of the train is uneven and the horizontal additional resistance is easy to generate are effectively solved, the safety of the train is obviously improved, and the requirement of railway transportation group operation is met.
4. The design of the spherical hinges at the two ends of the connecting plate enables the highway and railway dual-purpose trailer frame to be of a two-force rod structure, skillfully realizes that the longitudinal force direction of the train set is always along the connecting point connecting line, the connecting points at the two ends are in the same horizontal direction, and is combined with the design structure of the elastic guide sleeve, the connecting round pin is restrained to move vertically relative to the knuckle bogie frame, the connecting round pin only bears shearing force and does not bear bending moment, the heights of the connecting centers at the two ends of the connecting device are kept consistent, the longitudinal force of the train set is transferred uniformly, additional bending moment is not generated in the height direction, and the running performance of the transport train set can be effectively improved.
5. The connecting section of the connecting plate has a guiding connecting function, and the design of spherical hinges of the connecting sections at two ends of the connecting plate is combined, so that the highway and railway dual-purpose trailer frame has the degrees of freedom of head shaking, nodding and rolling relative to the bogie, the gap between vehicles in a train is reduced while rapid marshalling and connecting is realized, the snaking movement of a highway and railway dual-purpose transportation vehicle group can be effectively inhibited, the constitution and the action principle of the connecting plate are completely different from those of a coupler buffering connecting device of a traditional railway wagon, the economic benefit of enterprises can be obviously improved, and the connecting plate is suitable for popularization and application.
Drawings
The invention will be described by way of specific embodiments and with reference to the accompanying drawings in which
FIG. 1 is a structurally exploded isometric view of a highway and railway dual-purpose transportation vehicle hitch of an embodiment of the present invention;
FIG. 2 is a front view of a hitch of an embodiment of the present invention;
FIG. 3 is a top view of an embodiment of the hitch of this invention;
FIG. 4 is a schematic diagram of a connection state of a connection device according to an embodiment of the present invention;
FIG. 5 is a longitudinal center cross-sectional view of an embodiment of the present invention along a hitch plate;
FIG. 6 is a horizontal center cross-sectional view of an embodiment of the invention taken along the hitch plate;
fig. 7 is a transverse cross-sectional view of an embodiment of the present invention taken along a force-bearing shoulder.
Reference numerals illustrate: 1-connecting hanging plates; 11-a connecting section; 12-ball hinge mounting holes; 13-a horizontal direction guiding profile; 131-minor arc segments; 132—a first folded segment; 133-a second fold segment; 14-force shoulders; 15-vertical direction guiding profile; 151-straight line segments; 152-a third fold segment; 153-fourth fold line segment; 16-chamfering; 17-a fixed mounting base; 2-connecting a hanging seat; 21-connecting round pin holes; 22-side wear plates; 23-guiding interface; 24-wedge-shaped guiding profile; 3-spherical hinge; 31-a core; 32-an outer ball sleeve; 321-stop shoulders; 4-connecting round pins; 5-an elastic guide sleeve; 51-an intermediate elastomer; 52-inner and outer steel sleeves; 6-knuckle bogie frame; 61-a guide sleeve mounting hole; 7-highway and railway two-purpose trailer end beams.
Detailed Description
All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.
Any feature disclosed in this specification may be replaced by alternative features serving the same or equivalent purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.
Example 1
The embodiment is substantially as shown in fig. 1 to 4: the embodiment provides a highway and railway dual-purpose transportation vehicle set linking device, which can effectively simplify the internal traction linking structure of the highway and railway dual-purpose transportation vehicle set, and specifically comprises a linking plate 1, a linking seat 2 and a connecting round pin 4, wherein the middle part of the linking plate is fixedly arranged on a joint bogie frame 6 of the highway and railway dual-purpose transportation vehicle set, the linking plate 1 is specifically a dumbbell-shaped symmetrical flat plate structure, the middle part of the linking plate is provided with a fixed mounting seat 17, and the linking plate 1 is fixed on the joint bogie frame 6 through the fixed mounting seat 17 so as to ensure the stability of the linking centers at two ends of the linking plate 1; the two ends of the connecting plate 1 provided by the embodiment are provided with connecting sections 11, the connecting sections 11 at the two ends of the connecting plate 1 are provided with spherical hinges 3, each spherical hinge 3 comprises a spherical core 31 and an outer spherical sleeve 32, and a spherical hinge center hole along the vertical direction is arranged in the middle of the spherical core 31; meanwhile, the linking seat 2 provided in this embodiment is embedded in the end beam 7 of the highway and railway dual-purpose trailer, and the upper end surface and the lower end surface of the linking seat 2 are provided with connecting round pin holes 21, and the spherical hinge center holes at the two ends of the linking plate 1 are opposite to the connecting round pin holes 21 on the corresponding linking seat 2, so that the linking sections 11 at the two ends of the linking plate 1 are respectively inserted into the linking seats 2 in the end beams 7 of the highway and railway dual-purpose trailer at the two sides of the travelling direction of the linking plate 1, and respectively pass through the connecting round pin holes 21 on the linking seat 2 and the spherical hinge center holes on the corresponding linking plate 1 through the connecting round pins 4, so as to complete the linking of the joint bogie and two adjacent highway and railway dual-purpose trailers at the two sides of the travelling direction of the joint bogie.
The spherical hinge 3 is embedded in the spherical hinge mounting holes 12 at two ends of the linking plate 1, when the linking plate is linked, the spherical hinge 3 is positioned between the connecting round pin 4 and the spherical hinge mounting holes 12, specifically, the spherical hinge 3 comprises a spherical core 31 and two outer spherical sleeves 32, the spherical hinge center hole is positioned in the middle of the spherical core 3 along the vertical direction, the upper end surfaces and the lower end surfaces of the two outer spherical sleeves 32 are both provided with retaining shoulders 321, a gap is arranged between the spherical core 31 and the outer spherical sleeves 32, so that the spherical core 31 has a swinging degree of freedom and limited side rolling and nodding degrees of freedom relative to the outer spherical sleeves 32, the spherical hinge 3 enables the highway-railway dual-purpose trailer frame to be of a two-force rod structure, and the design structure of the linking plate 1 is combined, so that the longitudinal direction of the train set is always along the linking point connecting line, the linking points at two ends are positioned in the same horizontal direction, the connecting round pin 4 only bears no bending moment, the linking center heights of the linking devices are kept consistent, no additional bending moment is generated in the longitudinal force transmission uniform height direction of the train set, and the running performance of the train set can be effectively improved.
Meanwhile, elastic guide sleeves 5 are arranged at two ends of the joint bogie frame 6, and a connecting round pin sequentially penetrates through the elastic guide sleeves 5, the connecting plate 1 and the connecting base 2 from bottom to top to complete the connection and the hanging of two adjacent highway and railway dual-purpose trailers at two sides of the joint bogie in the travelling direction of the joint bogie; specifically, the elastic guide sleeve 5 includes a middle elastic body 51 and an inner and outer steel sleeve 52, both ends of the knuckle bogie frame 6 are provided with guide sleeve mounting holes 61 for mounting the elastic guide sleeve 5, the elastic guide sleeve 5 is used for restraining the connecting round pin 4 from moving up and down only vertically relative to the knuckle bogie frame 6, and when the connecting round pin 4, the ball core 31 and the hitch base 2 roll together relative to the hitch plate 1 at a nodding and side rolling, the connecting round pin 4 can freely move around the ball core 31.
Example two
As a preferred embodiment of the first embodiment, the second embodiment is substantially the same as the first embodiment except that: the embodiment provides that the connecting centers at two ends of the connecting plate 1 are symmetrically arranged about the center of the connecting plate 1, the connecting centers at two ends of the connecting plate 1 are the same in height, and connecting seats 2 at two ends of the connecting plate are positioned on the same horizontal plane, so that no additional bending moment is generated in the height direction in the advancing process of the highway and railway dual-purpose transportation vehicle group, according to the analysis of the applicant, the operation performance of the existing transportation vehicle group is low, the important reason is that the longitudinal force transmission of a train is uneven due to the fact that the height of the connecting centers in the transportation vehicle group is inconsistent easily caused by adopting the existing connecting device, and additional resistance is easily generated in the horizontal direction; more importantly, the continuous hanging central lines at the two ends of the train are positioned on the same horizontal plane, so that the train longitudinal force can be transferred inside the train set without repeated gradient transfer in the height direction, the attenuation is small, the additional resistance is not easy to generate in the horizontal direction, and the train running performance and the transportation economy can be remarkably improved.
Specifically, referring to fig. 5 to 7, the connecting plate 1 provided in the embodiment is in a waist shape near the middle of the fixed mounting seat 17, the connecting sections 11 at two ends of the connecting plate 1 each have a wedge-shaped horizontal guiding profile 13 and a vertical guiding profile 15, the horizontal guiding profile 13 includes a middle minor arc section 131, and a first folding line section 132 and a second folding line section 133 respectively connected with two ends of the middle minor arc section 131, the first folding line section 132 and the second folding line section 133 are arranged in central symmetry with respect to the middle minor arc section 131, and the folding points at which the first folding line section 132 and the second folding line section 133 are connected with the middle minor arc section are stress shoulders 14; the vertical direction guiding profile 15 comprises a middle straight line segment 151, and a third folding line segment 152 and a fourth folding line segment 153 which are respectively connected with two ends of the middle straight line segment 151, wherein the third folding line segment 152 and the fourth folding line segment 153 are arranged in a central symmetry mode relative to the middle straight line segment 151 so that the vertical cross section of the middle straight line segment is in a quasi-V shape, and in addition, a chamfer 16 is arranged at the cross section of a stress shoulder 14 of the connecting plate 1 so that the connecting seat 2 has a side rolling degree of freedom relative to a spherical hinge central hole on the connecting plate 1, so that the line irregularity, the slow and the curve superelevation of railway operation are adapted, and the requirement of railway working condition safe operation of a highway-railway dual-purpose transport vehicle set is met.
Furthermore, the wedge-shaped horizontal guiding contours 13 and the vertical guiding contours 15 at the two ends of the link plate 1 provided by the embodiment are symmetrically arranged about the center of the link plate 1, so that the link plate 1 integrally forms a dumbbell-shaped symmetrical structure, the longitudinal force of a train is further ensured to be uniformly transmitted, no additional bending moment is generated in the height direction of the train, meanwhile, the design of the contours of the link sections 11 at the two ends of the link plate 1 and the spherical hinges 3 in the spherical hinge mounting holes 12 is combined, the requirements of nodding, head shaking and side rolling degrees of freedom of the railway freight train operation are met, the requirements of unsmooth and slow and ultra-high curve of the railway operation are met, and the requirement of safe operation of the railway working condition of the dual-purpose transportation train set is met; and the gap between vehicles in the train is reduced while the rapid marshalling and coupling are realized, and the snaking movement of the highway and railway dual-purpose transport train set can be effectively restrained.
Example III
As a preferred embodiment of the second embodiment, the second embodiment is substantially the same as the first embodiment except that: referring to fig. 5 and 6, a guiding interface 23 adapted to a connecting section 11 of a connecting plate 1 is provided in a connecting seat 2 in this embodiment, an opening end of the guiding interface 23 is designed as a wedge-shaped guiding profile 24, a horizontal cross section of the guiding interface 23 is in a quasi-V shape, side wearing plates 22 are symmetrically installed on two side walls of the guiding interface 23 along an insertion direction of the connecting section 11 of the connecting plate 1, stress shoulders 14 on two sides of the connecting section 11 of the connecting plate 1 are in contact with the side wearing plates 22, spherical hinge center holes on two ends of the connecting plate 1 are coaxially arranged with connecting round pin holes 21 on the corresponding connecting seat 2, and gaps are provided between the guiding interface 23 and an upper end face and a lower end face of the inserted connecting section 11, so that the connecting seat 2 has a point degree of freedom relative to the spherical hinge center hole of the connecting plate 1, thereby adapting to a line irregularity, a slow curve and an ultra-high speed of railway running, and meeting requirements of safe running of a railway working condition of a dual-purpose transportation vehicle set; specifically, the guiding interface 23 is embedded in the end beam of the highway and railway dual-purpose frame, and the horizontal cross section of the guiding interface forms a quasi-V-shaped concave shape, so that the side wearing plates 22 on two sides can play a reliable guiding connection role on the connecting section 11 of the connecting plate 1; the tenon bolt of the countersunk head of the side wearing plate 22 is connected with the inner side wall of the guide connecting port, so that the connection is reliable, and meanwhile, the disassembly, the maintenance and the replacement are convenient, and the limiting stability of the side wearing plate is ensured; compared with the existing traction coupling structure, the coupling mode of the embodiment can effectively avoid the additionally increased invalid weight, ensure the railway transportation stability of the highway and railway dual-purpose freight car, and further greatly improve the railway transportation economy.
According to the joint bogie of the highway and railway dual-purpose transportation vehicle group, the adjacent highway and railway dual-purpose trailers are hung to form a train of highway and railway dual-purpose transportation vehicle group through the connecting device, the highway and railway dual-purpose trailer frames are made to be two force rods through the spherical hinge 3 structure, the longitudinal force directions of the two force rods are always along the connecting point connecting line, the connecting point positions at the two ends of the two force rods are in the same horizontal direction, the negative influence on wheel weights caused by vertical component force generated by the inclination of a vehicle body is improved, the nodding degree of freedom of the frame and the bogie is released, the connecting round pins 4 only bear shearing force and do not bear bending moment, the connecting round pins 4 are restrained to only bear shearing force and do not bear bending moment relative to the joint bogie frame 6 by combining the design structure of the elastic guide sleeve 5, the connecting round pins 4 are kept to bear the bending moment when the connecting centers at the two ends of the connecting device are consistent, the longitudinal force transmission of the vehicle group is uniform, and the vertical force transmission direction of the vehicle group is not generated additional bending moment, and the running performance of the transportation vehicle group can be effectively improved.
In summary, the coupling device provided in this embodiment can effectively realize direct coupling of adjacent two highway and railway dual-purpose trailers of the highway and railway dual-purpose transportation train set through the cooperation design of the coupling sections 11 at two ends of the connecting plate and the coupling seat 2, so that the configuration of the conventional coupler buffer coupling device and the auxiliary connecting device is omitted, the internal traction coupling structure of the highway and railway dual-purpose transportation train set is simplified, the invalid dead weight of the train set is reduced, the gaps between the vehicles are reduced, the number of the vehicle groups is increased, and the transportation economy is improved; the special bogie in the train set can be arbitrarily and bidirectionally linked with the highway-railway dual-purpose semitrailer for marshalling, the marshalling speed is improved, and the use and management of the transport train set are convenient; the internal continuous hanging center of the transport vehicle set can be effectively guaranteed to be uniform in height, longitudinal force transmission of the train is uniform, additional bending moment cannot be generated in the height direction of the vehicle set, additional resistance cannot be generated in the horizontal direction, energy loss is reduced to improve transport economy, and the running performance of the train is good, so that the method is suitable for popularization and application.
The invention is not limited to the specific embodiments described above. The invention extends to any novel one, or any novel combination, of the features disclosed in this specification, as well as to any novel one, or any novel combination, of the steps of the method or process disclosed.
Claims (7)
1. The utility model provides a highway and railway dual-purpose transport vechicle group even hangs device which characterized in that: comprising
The middle part of the connecting plate is fixedly arranged on a joint bogie frame of the highway and railway dual-purpose transportation vehicle group, the two ends of the connecting plate are respectively provided with a connecting section, the connecting sections at the two ends of the connecting plate are respectively provided with a spherical hinge mounting hole and a spherical hinge, and the spherical hinge is provided with a spherical hinge center hole;
The connecting and hanging seat is arranged in the front end and the rear end beams of the highway and railway dual-purpose hanging seat, and is provided with a connecting round pin hole corresponding to the spherical hinge center hole at the end part of the connecting and hanging plate;
The connecting round pins are respectively inserted into connecting seats in the end beams of the highway and railway dual-purpose trailer at two sides of the travelling direction of the connecting sections at two ends of the connecting plate, and respectively pass through connecting round pin holes on the connecting seats and spherical hinge center holes on the corresponding connecting plates through the connecting round pins so as to complete the connection and the hanging of the joint bogie and two adjacent highway and railway dual-purpose trailers at two sides of the travelling direction of the joint bogie; the connecting plate is of a dumbbell-shaped symmetrical flat plate structure, a fixed mounting seat is arranged in the middle of the connecting plate, and the connecting plate is fixed on the knuckle bogie frame through the fixed mounting seat; the fixed mounting seat comprises two ear seats, the arrangement direction of the two ear seats is mutually perpendicular to the extending direction of the connecting plate, and the two ear seats are respectively positioned at two sides of the connecting plate and are symmetrically arranged about the center of the connecting plate; the spherical hinge comprises a spherical core and two outer spherical sleeves, the central hole of the spherical hinge is positioned in the middle of the spherical core along the vertical direction, the upper end face and the lower end face of the outer spherical sleeves are both provided with blocking shoulders, and a gap is arranged between the spherical core and the outer spherical sleeves, so that the spherical core has a swinging degree of freedom and limited side rolling and nodding degrees of freedom relative to the outer spherical sleeves.
2. The highway and railway dual-purpose transportation vehicle group connecting and hanging device according to claim 1 is characterized in that: elastic guide sleeves are arranged at two ends of the joint bogie frame, and the connecting round pins sequentially penetrate through the elastic guide sleeves, the connecting hanging plates and the connecting hanging seats from bottom to top to complete connecting hanging of the joint bogie and two adjacent road-railway dual-purpose trailers at two sides of the travelling direction of the joint bogie.
3. The highway and railway dual-purpose transportation train connection and suspension device according to claim 2, wherein: the elastic guide sleeve comprises a middle elastic body and an inner steel sleeve and an outer steel sleeve, guide sleeve mounting holes for mounting the elastic guide sleeve are formed in two ends of the knuckle bogie frame, and the elastic guide sleeve is used for restraining the connecting round pin to move up and down and only vertically relative to the knuckle bogie frame.
4. The highway-railway dual-purpose transportation train connection and suspension device according to any one of claims 1 to 3, wherein: the connecting centers at two ends of the connecting plate are arranged in a central symmetry manner with respect to the connecting plate center, the connecting centers at two ends of the connecting plate are identical in height, and the connecting seats at two ends of the connecting plate are positioned on the same horizontal plane, so that no additional bending moment is generated in the height direction in the advancing process of the highway and railway dual-purpose transport vehicle unit, and no additional resistance is generated in the horizontal direction.
5. The highway and railway dual-purpose transportation vehicle group connecting and hanging device according to claim 4 is characterized in that: the connecting and hanging plate is in a waist shape near the middle part of the fixed mounting seat, the connecting and hanging sections at two ends of the connecting and hanging plate are provided with wedge-shaped horizontal direction guiding contours and vertical direction guiding contours, the horizontal direction guiding contours comprise a middle minor arc section, and a first folding line section and a second folding line section which are respectively connected with two ends of the middle minor arc section, the first folding line section and the second folding line section are arranged in a central symmetry mode relative to the middle minor arc section, and bending points at which the first folding line section and the second folding line section are connected with the middle minor arc section are stress shoulders; the vertical direction guiding profile comprises a middle straight line segment, and a third folding line segment and a fourth folding line segment which are respectively connected with two ends of the middle straight line segment, wherein the third folding line segment and the fourth folding line segment are arranged in a central symmetry mode relative to the middle straight line segment, so that the vertical section of the vertical direction guiding profile is in a quasi-V shape.
6. The highway and railway dual-purpose transportation vehicle group connecting and hanging device according to claim 5 is characterized in that: the wedge-shaped horizontal direction guiding profile and the vertical direction guiding profile at two ends of the connecting plate are symmetrically arranged relative to the center of the connecting plate, so that the whole connecting plate forms a dumbbell-shaped symmetrical structure.
7. The highway and railway dual-purpose transportation vehicle group connecting and hanging device according to claim 5 is characterized in that: the connecting plate is characterized in that a guide interface matched with the connecting section of the connecting plate is arranged in the connecting plate, the horizontal section of the guide interface is in a quasi-V shape, side wearing plates are symmetrically arranged on two side walls of the guide interface along the inserting direction of the connecting section of the connecting plate, stress shoulders on two sides of the connecting section of the connecting plate are contacted with the side wearing plates, spherical hinge center holes on two ends of the connecting plate are respectively coaxially arranged with connecting round pin holes on the corresponding connecting plate, and gaps are reserved between the guide interface and the upper end face and the lower end face of the inserted connecting section, so that the connecting plate has a degree of freedom of a point head relative to the spherical hinge center holes on the connecting plate.
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| CN201911226782.XA CN110816581B (en) | 2019-12-04 | 2019-12-04 | Highway and railway dual-purpose transport vechicle group even hangs device |
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| CN201911226782.XA CN110816581B (en) | 2019-12-04 | 2019-12-04 | Highway and railway dual-purpose transport vechicle group even hangs device |
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| CN110816581B true CN110816581B (en) | 2024-04-26 |
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| CN207711733U (en) * | 2017-12-17 | 2018-08-10 | 包头北方创业有限责任公司 | A kind of Container Transport road rail vehicle |
| CN109278788A (en) * | 2018-11-21 | 2019-01-29 | 中车眉山车辆有限公司 | A kind of combined lorry traction coupling device |
| CN211166897U (en) * | 2019-12-04 | 2020-08-04 | 中车眉山车辆有限公司 | Coupling device for highway and railway dual-purpose transport vehicle set |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| BE648767A (en) * | 1963-06-06 | 1964-10-01 | ||
| WO1989003784A1 (en) * | 1987-10-22 | 1989-05-05 | Ferrosud S.P.A. | Improved semi-trailers for rail or road travel |
| CN201573669U (en) * | 2009-11-27 | 2010-09-08 | 齐齐哈尔轨道交通装备有限责任公司 | Draw bar for railway train |
| CN108001135A (en) * | 2017-12-17 | 2018-05-08 | 包头北方创业有限责任公司 | A kind of method of Container Transport highway railway combined transport |
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| CN109278788A (en) * | 2018-11-21 | 2019-01-29 | 中车眉山车辆有限公司 | A kind of combined lorry traction coupling device |
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| CN110816581A (en) | 2020-02-21 |
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