CN115782949A - Multi-axle bogie and running device - Google Patents
Multi-axle bogie and running device Download PDFInfo
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- CN115782949A CN115782949A CN202211543323.6A CN202211543323A CN115782949A CN 115782949 A CN115782949 A CN 115782949A CN 202211543323 A CN202211543323 A CN 202211543323A CN 115782949 A CN115782949 A CN 115782949A
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- axle
- pull rod
- bogie
- axle box
- mandrel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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Abstract
The invention relates to the technical field of railway vehicles, in particular to a multi-axle bogie and a running device. The invention provides a multi-axle bogie comprising: a frame; the traction device comprises a traction beam and a center disc, and the center disc is arranged on the traction beam; the coupler buffer device is arranged in the draft sill and comprises a coupler; the end beam is provided with a concave part which is concave towards the beam direction, one side of the draft sill is connected with the concave part of the end beam, the other side of the draft sill is connected with the beam, the draft sill extends out of the car coupler, and the car coupler is arranged on one side of the end concave part, which deviates from the middle beam. The application provides a multiaxis bogie and device of traveling has shortened the distance between coupling and the heart dish, and when the bogie was linked with other vehicles, the linking distance of coupling was shorter, more was favorable to the vehicle to pass through little curve bend, avoids the draw beam to produce the buckling deformation, has improved the safety of bogie, reliability, and the coupling has not taken place to interfere with other vehicle connection curves in this position.
Description
Technical Field
The invention relates to the technical field of railway vehicles, in particular to a multi-axle bogie and a running device.
Background
The multi-axle bogie is mainly used for special vehicles and rail-mounted devices, such as long trucks, railway rescue equipment and the like. The multi-axle bogie comprises a draw beam, a coupler buffering device and a core disc, wherein the core disc is arranged on the draw beam, the coupler buffering device is arranged in the draw beam, and a coupler of the coupler buffering device is arranged at the head part of the multi-axle bogie. When the multi-axle bogie is linked with other vehicles through the car coupler, the draft sill can be subjected to longitudinal impact force transmitted by the car coupler buffer device, and when the distance between the car coupler and the core disc is long, the deflection of the longitudinal impact force can cause larger additional bending moment, so that the draft sill generates buckling deformation, and the safety and the reliability of the bogie are reduced.
Disclosure of Invention
The application provides a multiaxis bogie and running device, has solved the distance between coupling and the heart dish among the correlation technique longer, leads to the draw beam to produce buckling deformation to the technical problem of the safety of bogie, reliability has been reduced.
The application provides a multi-axle bogie, include:
the frame comprises an end beam, a cross beam and two side beams which are oppositely arranged, wherein the end beam is arranged between one sides of the two side beams, and the cross beam is arranged between the other sides of the two side beams;
the traction device comprises a traction beam and a core disc, wherein the core disc is arranged on the traction beam;
the coupler buffering device is arranged in the traction beam and comprises a coupler;
the end beam is provided with a sunken part sunken towards the direction of the cross beam, one side of the draft sill is connected with the sunken part of the end beam, the other side of the draft sill is connected with the cross beam, the car coupler extends out of the draft sill, and the car coupler is arranged on one side of the end sunken part deviating from the middle beam.
In some embodiments, the multi-axle bogie further comprises a wheelset arrangement comprising:
a wheel set mounted on the frame;
axle boxes arranged on both sides of the wheel sets;
the axle box positioning assemblies are arranged in one-to-one correspondence with the axle boxes and comprise pull rods, one ends of the pull rods are connected with the corresponding axle boxes, and the other ends of the pull rods are connected with the framework.
In some embodiments, the frame further includes an upper tie rod seat and a lower tie rod seat, the wheel set includes an axle penetrating through the frame and wheels disposed at two ends of the axle, one side of the wheels is provided with the upper tie rod seat, the other side is provided with the lower tie rod seat, and the upper tie rod seat and the lower tie rod seat are both disposed at the bottom of the side beam at the same side;
the axle box positioning assembly comprises a first pull rod and a second pull rod, one end of the first pull rod is connected with the upper part of the axle box, and the other end of the first pull rod is connected with the upper pull rod seat; one end of the second pull rod is connected with the lower part of the axle box, and the other end of the second pull rod is connected with the lower pull rod seat.
In some embodiments, each of the first and second pull rods includes a pull rod body, a first mandrel and a second mandrel, the pull rod body is disposed along a length direction of the frame, the first and second mandrels are disposed along a width direction of the frame, the first and second mandrels are respectively disposed at two ends of the pull rod body, and two ends of the first and second mandrels extend out of the pull rod body;
two ends of a first mandrel of the first pull rod are connected with the upper part of the axle box, and two ends of a second mandrel of the first pull rod are connected with the upper pull rod seat; and two ends of a first mandrel of the second pull rod are connected with the lower part of the axle box, and two ends of a second mandrel of the second pull rod are connected with the lower pull rod seat.
In some embodiments, the axle box upper portion is provided with two first mounting grooves which are oppositely arranged, and two ends of the first mandrel of the first pull rod are respectively arranged in the two first mounting grooves; the upper pull rod seat is provided with two second mounting grooves which are oppositely arranged, and two ends of a second mandrel of the first pull rod are respectively arranged in the two first mounting grooves;
two third mounting grooves which are oppositely arranged are formed in the lower portion of the axle box, and two ends of the first mandrel of the second pull rod are respectively arranged in the two third mounting grooves; the lower pull rod seat is provided with two fourth mounting grooves which are oppositely arranged, and two ends of a second mandrel of the second pull rod are respectively arranged in the fourth mounting grooves.
In some embodiments, the wheel set device further includes an axle box end cover and a vertical shock absorber, the axle box end cover is correspondingly disposed on each axle box, the vertical shock absorber is disposed on the axle box end cover on both sides of the side beam, one end of the vertical shock absorber is connected to the side beam, and the other end of the vertical shock absorber is connected to the axle box end cover.
In some embodiments, the vertical shock absorber and the axle box end cover on the same side form an included angle, and the included angle is 13-20 degrees.
In some embodiments, the multi-axle bogie has a wheelbase of 1.3-1.5m.
In some embodiments, the frame is made of steel having a yield strength of 600 to 1100 MPa.
In another aspect, the present application also provides a running gear comprising the multi-axle bogie as described above.
The beneficial effect of this application is as follows:
the application provides a multiaxis bogie and device of traveling, because the end beam has the depressed part sunken to the crossbeam direction, one side of draw beam links to each other with the depressed part of end beam, the draw beam is extended to the coupling, and the coupling setting deviates from one side of draw beam at the depressed part, thereby the distance between coupling and the heart dish has been shortened, when the bogie links with other vehicles, the even distance of hanging of coupling is shorter, more be favorable to the vehicle to pass through little curve bend, avoid the draw beam to produce the buckling deformation, the safety of bogie has been improved, the reliability, and the coupling can not take place to interfere with other vehicle connection curves in this position.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
Fig. 1 is a schematic structural diagram of a multi-axle bogie provided in the present embodiment;
FIG. 2 is a schematic structural view of the framework of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a partial enlarged view of A in FIG. 1;
fig. 5 is a side view of fig. 1.
Description of the reference numerals:
100-frame, 110-end beam, 111-recess, 120-beam, 130-side beam, 140-upper drawbar holder, 150-lower drawbar holder, 200-wheelset, 210-wheelset, 211-wheel, 212-axle, 220-axle box, 221-axle box end cap, 230-axle box locating component, 231-first drawbar, 232-second drawbar, 240-tie steel spring, 250-vertical shock absorber, 300-draft gear, 310-draft gear, 311-center sill, 312-link beam, 320-center plate, 400-coupler draft gear, 410-coupler.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
With reference to fig. 1-4, embodiments of the present application provide a multi-axle bogie that includes a frame 100, a wheelset assembly 200, a draft gear 300, and a coupler draft gear 400. The frame 100 is a base member of a multi-axle bogie, and the frame 100 may provide a mounting base for at least some of the other components of the multi-axle bogie. The frame 100 includes an end beam 110, a cross beam 120, and two side beams 130 oppositely disposed, the end beam 110 being disposed between one side of the two side beams 130, the cross beam 120 being disposed between the other side of the two side beams 130, and the end beam 110 being disposed at the head of the multi-axle bogie. In particular, the wheelbase of the multi-axle bogie may be 1.3-1.5m to make the multi-axle bogie more compact.
The towing device 300 comprises a towing beam 310 and a center plate 320, wherein the towing beam 310 is arranged on the framework 100 and comprises a middle beam 311 and two connecting beams 312, one side of the middle beam 311 is connected with the end beam 110, the other side of the middle beam is connected with the cross beam 120, the center plate 320 can enable a certain relative movement between the vehicle body and the bogie, the center plate 320 is arranged on the middle beam 311, the two connecting beams 312 are respectively arranged on two sides of the middle beam 311, the two connecting beams 312 are respectively connected with the side beams 130 on the same side, and the center plate 320 is arranged between the two connecting beams 312.
The coupler draft gear 400 is a vehicle component used to couple a vehicle to a vehicle, locomotive or railcar to transmit tractive effort, braking effort and to cushion longitudinal impact forces. The coupler buffering device 400 is arranged in the middle beam 311 and comprises a coupler 410, a buffer, a coupler yoke and the like, wherein the coupler 410 needs to extend out of the middle beam 311 and is arranged on one side of the end beam 110, which is far away from the middle beam 311, so as to be coupled with other vehicles.
In the present embodiment, the end beam 110 has a concave portion 111 that is concave toward the cross beam 120, and the concave portion 111 may be arc-shaped or linear. One side of the middle beam 311 is connected with the concave part 111 of the end beam 110, namely, the coupler 410 is arranged on one side of the end beam 110, which is far away from the concave part 111, so that the distance between the coupler 410 and the core disc 320 is shortened, when the multi-axle bogie is connected with other vehicles, the connection distance of the coupler 410 is shorter, the vehicle can pass through a curve with a small curve, the buckling deformation of the traction beam 310 is avoided, the safety and the reliability of the bogie are improved, and the coupler 410 cannot interfere with the curve when being connected with other vehicles at the position.
Further, the wheel set apparatus 200 of the present embodiment further includes a series of steel springs 240 disposed at both sides of the axle housing 220 to alleviate vibration of the traveling apparatus located above the frame 100 during traveling. The axle box positioning assembly 230 includes a tie bar, i.e., the axle boxes 220 are positioned by the tie bar in this embodiment, and one end of the tie bar is connected to the corresponding axle box 220 and the other end is connected to the frame 100. The first steel spring 240 and the pull rod jointly determine the transverse rigidity and the longitudinal rigidity of the axle box 220, the steel spring only determines the vertical rigidity of the axle box 220, the vertical rigidity, the transverse rigidity and the longitudinal rigidity can be well matched, and the dynamic performance is excellent.
Further, in the present embodiment, the frame 100 further includes an upper tie bar base 140 and a lower tie bar base 150 for fixing the tie bars, the upper tie bar base 140 is disposed on one side of the wheel 211, the lower tie bar base 150 is disposed on the other side of the wheel 211, and the upper tie bar base 140 and the lower tie bar base 150 are disposed at the bottom of the side beam 130 on the same side. The axle box positioning assembly 230 includes a first tie rod 231 and a second tie rod 232, i.e. the axle box 220 is positioned by a double tie rod, one end of the first tie rod 231 is connected with the upper part of the axle box 220, and the other end is connected with the upper tie rod seat 140; the second tie bar 232 has one end connected to the lower portion of the axle housing 220 and the other end connected to the lower tie bar base 150, and of course, the second tie bar 232 is connected to the lower portion of the lower tie bar base 150.
Specifically, the multi-axle bogie in this embodiment may be a four-axle bogie, that is, the multi-axle bogie in this embodiment includes four wheel pairs 210, each two wheel pairs 210 are a wheel pair group, one lower tie rod seat 150 is disposed between the wheels 211 on the same side in one wheel pair group, and one upper tie rod seat 140 is disposed on one side of each wheel 211 away from the lower tie rod seat 150, so that the second tie rods 232 in the two axle box positioning assemblies 230 may share one lower tie rod seat 150 for positioning, and the structure of the multi-axle bogie is simpler.
Further, the first pull rod 231 and the second pull rod 232 each include a pull rod body, a first mandrel and a second mandrel, the pull rod body is disposed along the length direction of the frame 100, the first mandrel and the second mandrel are disposed along the width direction of the frame 100, the first mandrel and the second mandrel are respectively disposed at two ends of the pull rod body, and two ends of the first mandrel and the second mandrel extend out of the pull rod body; both ends of a first mandrel of the first tie bar 231 are connected with the upper part of the axle box 220, and both ends of a second mandrel of the first tie bar 231 are connected with the upper tie bar seat 140; both ends of the first mandrel of the second tie bar 232 are connected to the lower portion of the axle housing 220, and both ends of the second mandrel of the second tie bar 232 are connected to the lower tie bar base 150.
In particular, both the first and second mandrels may be connected to other members by bolts.
Further, the axle box 220 is provided at an upper portion thereof with two first mounting grooves disposed oppositely, and two ends of the first mandrel of the first pull rod 231 are respectively disposed in the two first mounting grooves; the upper pull rod seat 140 is provided with two second mounting grooves which are oppositely arranged, and two ends of the second mandrel of the first pull rod 231 are respectively arranged in the two first mounting grooves; two third mounting grooves which are oppositely arranged are formed in the lower portion of the axle box 220, and two ends of the first mandrel of the second pull rod 232 are respectively arranged in the two third mounting grooves; the lower pull rod seat 150 is provided with two opposite fourth mounting grooves, and two ends of the second mandrel of the second pull rod 232 are respectively arranged in the two fourth mounting grooves.
Referring to fig. 4 and 5, the wheelset assembly 200 further includes axle box end caps 221 and vertical shock absorbers 250, the axle box end caps 221 are correspondingly disposed on each axle box 220, and the wheelsets 210 at the two ends of the frame 100 are guide wheelsets 210 and are subjected to greater rail impact, so the vertical shock absorbers 250 are disposed on the axle box end caps 221 disposed at the two sides of the side beams 130, one end of the vertical shock absorber 250 is connected to the side beams 130, and the other end is connected to the axle box end caps 221. The structural type that a steel spring 240 is added in the double-pull-rod type axle box 220 positioning mode and a vertical damping oil cylinder is arranged, so that the high-speed running stability and stability of the multi-axle bogie can be greatly improved.
Further, an included angle is formed between the vertical shock absorber 250 and the axle box end cover 221 on the same side to provide vertical and horizontal shock absorption damping, and specifically, the included angle is 13-20 degrees. Specifically, vertical damper 250 may be an oil hydraulic damper.
Because the number of axles of the multi-axle bogie is large, the load borne by the frame 100 at the position of the core plate 320 is large, and therefore the frame 100 of the multi-axle bogie needs to have enough strength, so that the plate thickness of the frame 100 is generally thick, and the self weight is large, taking a four-axle bogie as an example, the axle weight of the four-axle bogie is mostly 23t, because the axle weight is too large, the four-axle bogie of the type cannot be applied to a high-speed railway, and in order to reduce the self weight of the bogie, and at the same time, the strength of the frame 100 needs to be ensured, and the material of the frame 100 in this embodiment can be steel with the yield strength of 600-1100 Mpa.
Based on the same inventive concept, the embodiment of the application also provides a running device, and the running device comprises the multi-axle bogie. The traveling device may be a long truck, a railway crane, or the like, which is not limited in this embodiment. The running gear has all the advantages of the multi-axle bogie, and therefore the advantages of the running gear are not repeated.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A multi-axle bogie, comprising:
the framework comprises end beams, cross beams and two side beams which are oppositely arranged, wherein the end beams are arranged between one sides of the two side beams, and the cross beams are arranged between the other sides of the two side beams;
the traction device comprises a traction beam and a core disc, wherein the core disc is arranged on the traction beam;
the coupler buffering device is arranged in the traction beam and comprises a coupler;
the end beam is provided with a concave part which is concave towards the beam direction, one side of the draft sill is connected with the concave part of the end beam, the other side of the draft sill is connected with the beam, the car coupler extends out of the draft sill, and the car coupler is arranged on one side of the end concave part, which deviates from the middle beam.
2. The multi-axle bogie as recited in claim 1, further comprising a wheelset arrangement comprising:
a wheel set mounted on the frame;
axle boxes arranged on both sides of the wheel sets;
the axle box positioning assemblies are arranged in one-to-one correspondence with the axle boxes and comprise pull rods, one ends of the pull rods are connected with the corresponding axle boxes, and the other ends of the pull rods are connected with the framework.
3. The multi-axle bogie as recited in claim 2, wherein the frame further comprises an upper tie rod seat and a lower tie rod seat, the wheel set comprises an axle penetrating the frame and wheels disposed at both ends of the axle, the wheels are provided with the upper tie rod seat on one side and the lower tie rod seat on the other side, and the upper tie rod seat and the lower tie rod seat are both disposed at the bottom of the side beam on the same side;
the axle box positioning assembly comprises a first pull rod and a second pull rod, one end of the first pull rod is connected with the upper part of the axle box, and the other end of the first pull rod is connected with the upper pull rod seat; one end of the second pull rod is connected with the lower part of the axle box, and the other end of the second pull rod is connected with the lower pull rod seat.
4. The multi-axle bogie of claim 3, wherein the first and second tie rods each comprise a tie rod body, a first mandrel and a second mandrel, the tie rod body being disposed along a length of the frame, the first and second mandrels being disposed along a width of the frame, the first and second mandrels being disposed at opposite ends of the tie rod body, and both ends of the first and second mandrels extending out of the tie rod body;
two ends of a first mandrel of the first pull rod are connected with the upper part of the axle box, and two ends of a second mandrel of the first pull rod are connected with the upper pull rod seat; and two ends of a first mandrel of the second pull rod are connected with the lower part of the axle box, and two ends of a second mandrel of the second pull rod are connected with the lower pull rod seat.
5. The multi-axle bogie as recited in claim 4, wherein the axle box upper portion is provided with two first mounting grooves oppositely disposed, and both ends of the first spindle of the first drawbar are respectively disposed in the two first mounting grooves; the upper pull rod seat is provided with two second mounting grooves which are oppositely arranged, and two ends of a second mandrel of the first pull rod are respectively arranged in the two first mounting grooves;
two third mounting grooves which are oppositely arranged are formed in the lower portion of the axle box, and two ends of the first mandrel of the second pull rod are respectively arranged in the two third mounting grooves; the lower pull rod seat is provided with two fourth mounting grooves which are oppositely arranged, and two ends of a second mandrel of the second pull rod are respectively arranged in the fourth mounting grooves.
6. The multi-axle bogie as recited in claim 2, wherein the wheelset unit further comprises axle box end caps and vertical shock absorbers, the axle box end caps are correspondingly disposed on each axle box, the vertical shock absorbers are disposed on the axle box end caps disposed on both sides of the side beams, one end of each vertical shock absorber is connected to the side beams, and the other end of each vertical shock absorber is connected to the axle box end caps.
7. The multi-axle bogie as claimed in claim 6, wherein the vertical shock absorber is angled from 13 ° to 20 ° from the axle box end cap on the same side.
8. The multi-axle bogie as claimed in claim 1, wherein the multi-axle bogie has a wheelbase of 1.3-1.5m.
9. The multi-axle bogie as claimed in claim 1, wherein the frame is of steel having a yield strength of 600-1100 Mpa.
10. A running gear comprising a multi-axle bogie according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211543323.6A CN115782949A (en) | 2022-12-02 | 2022-12-02 | Multi-axle bogie and running device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211543323.6A CN115782949A (en) | 2022-12-02 | 2022-12-02 | Multi-axle bogie and running device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115782949A true CN115782949A (en) | 2023-03-14 |
Family
ID=85445315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211543323.6A Pending CN115782949A (en) | 2022-12-02 | 2022-12-02 | Multi-axle bogie and running device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115782949A (en) |
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2022
- 2022-12-02 CN CN202211543323.6A patent/CN115782949A/en active Pending
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