CN113232688B - Self-locking center pin device, bogie and railway vehicle - Google Patents
Self-locking center pin device, bogie and railway vehicle Download PDFInfo
- Publication number
- CN113232688B CN113232688B CN202110525456.XA CN202110525456A CN113232688B CN 113232688 B CN113232688 B CN 113232688B CN 202110525456 A CN202110525456 A CN 202110525456A CN 113232688 B CN113232688 B CN 113232688B
- Authority
- CN
- China
- Prior art keywords
- center pin
- stop
- hole
- self
- center
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/16—Centre bearings or other swivel connections between underframes and bolsters or bogies
- B61F5/18—King-bolts
Abstract
The invention relates to a self-locking center pin device, a bogie and a railway vehicle. The center pin assembly of the self-locking center pin device comprises a center pin, first stop keys, a limiting ring and a lower stop key, wherein the two first stop keys are arranged on the peripheral surface of the upper end of the center pin relatively, the two second stop keys are arranged on the peripheral surface of the lower end of the center pin relatively, the limiting ring is fixedly arranged on the peripheral surface of the center pin between the first stop keys and the second stop keys, an upper center plate is fixedly connected onto a vehicle body and movably arranged at the top of a swing bolster, the upper center plate is provided with a first through hole for the center pin to pass through, a first positioning groove correspondingly matched with the first stop key is arranged on the inner side wall of the first through hole, the limiting ring is arranged between the upper center plate and the swing bolster, the swing bolster is provided with a second through hole for the center pin to pass through, and a second positioning groove correspondingly matched with the second stop key is arranged on the inner side wall of the second through hole. The invention can meet the requirement of center pin self-locking under the condition of tense structure space of the bogie.
Description
Technical Field
The invention belongs to the technical field of railway traffic, and particularly relates to a self-locking center pin device, a bogie and a railway vehicle.
Background
The center pin is a railway vehicle component part, is usually arranged in a center pin hole of a truck bolster, and an exposed part is inserted into a center pin hole of an upper center plate of a vehicle body when the vehicle body is provided with a truck, so that the rotation centers of the vehicle body and the truck are formed in the running of the vehicle, and the upper center plate and the lower center plate can be prevented from being separated when abnormal conditions occur, and safety accidents can be prevented.
In practical application, the vehicle body and the bogie generally need to be lifted, transported and transported integrally, and are required not to depend on additional tooling equipment and not to be separated in the lifting and transporting processes; in addition, because the car body is located on the bogie core plate, in order to adapt to the curve passing capacity, the connection between the bogie and the core plate is very loose, and for the area with large wind sand, when the running car is under the action of large side wind force, especially under the condition that the self weight of the car body is light, the car body is easily blown over by wind, thereby causing safety accidents.
In addition, in order to meet the requirement of high speed of vehicles, a rhombus deformation resistant device is arranged on the bogie, so that the structural space of the whole bogie is tense, and the design of a self-locking center pin device is limited.
Summary of the invention
Aiming at the problems in the prior art, the invention provides a self-locking center pin device, a bogie and a railway vehicle, which are suitable for the railway vehicle which has the defects of short bogie structure space and the requirement of a self-locking center pin, can prevent the vehicle running in a strong wind area from turning over, and can meet the integral hoisting and transportation of the vehicle under the condition of not adding additional tooling equipment.
The invention realizes the purpose through the following technical scheme:
in one aspect, the present invention provides a self-locking center pin device, comprising:
the center pin assembly comprises a center pin, two first stop keys, two limiting rings and two lower stop keys, the two first stop keys are oppositely arranged on the peripheral surface of the upper end of the center pin, the two second stop keys are oppositely arranged on the peripheral surface of the lower end of the center pin, a connecting line between the two second stop keys and a connecting line between the two first stop keys form an included angle, the limiting rings are fixedly arranged on the peripheral surface of the center pin, and the limiting rings are arranged between the first stop keys and the second stop keys;
the swing bolster and go up the heart dish, it is fixed connection on the automobile body to go up the heart dish activity and sets up the top of swing bolster, it is provided with the confession to go up the heart dish the first through-hole that the core pin passed, be provided with on the inside wall of first through-hole with first fender key corresponds the first constant head tank that matches, the core pin passes first through-hole, first fender key inlays to be established in corresponding in the first constant head tank, the spacing ring sets up go up the heart dish with between the swing bolster, the swing bolster is provided with the confession the second through-hole that the core pin passed, be provided with on the inside wall of second through-hole with the second keeps off the second constant head tank that the key corresponds the matching, the core pin penetrates the second through-hole, the second keeps off the key and inlays to be established in the second constant head tank that corresponds.
Further, the center pin is provided with a first slot at the position where the first blocking key is arranged;
the device also comprises a first stop block, wherein the first stop block fixedly penetrates through the first slotted hole, and two first stop keys are arranged at two ends of the first stop block.
Furthermore, the center pin is arranged on the position of the limit ring and is provided with an annular mounting groove, and the limit ring is fixedly arranged in the mounting groove.
Furthermore, a second slot is formed in the position, where the second stop key is arranged, of the center pin;
the device also comprises a second stop block, the second stop block fixedly penetrates through the second slotted hole, and two second stop keys are arranged at two ends of the second stop block.
Preferably, the included angle is 90 °.
Furthermore, the top of the swing bolster is provided with a center plate surface, and the upper center plate is movably attached to the center plate surface.
Furthermore, the top of the swing bolster is also provided with a limiting check ring, and the limiting check ring is arranged on the outer side of the core plate surface.
Further, the top of the swing bolster is provided with a step, the step is located the middle part of the heart quotation, the height of step is higher than the height of heart quotation, the inside of going up the heart quotation is provided with the location cover, the location cover is covered and is established on the step, first constant head tank is seted up on the location cover, the second constant head tank is seted up on the step.
In another aspect, the invention further provides a bogie comprising the self-locking center pin device.
Furthermore, the invention also provides a railway vehicle which comprises the bogie.
The invention has the beneficial effects that:
the invention discloses a railway vehicle, wherein a bogie comprises a self-locking center pin device, when in specific implementation, a limit ring and a second stop key are assembled on the center pin, then the lower end of the center pin is arranged in a second through hole of a swing bolster in a penetrating way, the center pin is operated to rotate, the second stop key is embedded in a second positioning groove of the second through hole, an upper center plate is assembled on the top of the swing bolster, the upper end of the center pin is arranged in a first through hole of the upper center plate in a penetrating way, then the second stop key is arranged on the center pin, the center pin or the upper center plate is operated to rotate, the second stop key is embedded in a first positioning groove of the first through hole, and finally the upper center plate is fixed on a vehicle body, so that self-locking can be formed between the vehicle body and the bogie.
The self-locking center pin device has a simple structure, does not occupy excessive space, can meet the requirement of center pin self-locking under the condition of lacking structural space of the bogie, prevents a vehicle running in a strong wind area from side turning, and can meet the condition of integral lifting and transportation of the vehicle without adding additional tooling equipment.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of a self-locking center pin device according to the present embodiment;
FIG. 2 is a schematic structural view of the center pin assembly of FIG. 1;
FIG. 3 is a schematic view of the construction of the upper core plate of FIG. 1;
fig. 4 is a schematic structural view of the bolster of fig. 1.
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.
The present embodiment discloses a railway vehicle whose bogie includes a self-locking center pin device.
Fig. 1 is a schematic structural diagram of a self-locking center pin device of the present embodiment, and in conjunction with fig. 1, the device includes a bolster 1, an upper center plate 2, and a center pin assembly 3.
Fig. 2 is a schematic structural diagram of the center pin assembly in fig. 1, and referring to fig. 2, the center pin assembly of this embodiment includes a center pin 3.1, two first blocking keys 3.2, two limiting rings 3.3 and two lower blocking keys 3.4, where the two first blocking keys 3.2 are relatively disposed on an upper end peripheral surface of the center pin 3.1, the two second blocking keys 3.4 are relatively disposed on a lower end peripheral surface of the center pin 3.1, a connecting line between the two second blocking keys 3.4 and a connecting line between the two first blocking keys 3.2 have an included angle, the limiting rings 3.3 are fixedly disposed on a peripheral surface of the center pin 3.1, and the limiting rings 3.3 are disposed between the first blocking keys 3.2 and the second blocking keys 3.4.
Specifically, in this embodiment, the center pin 3.1 is provided with a first slot at the position where the first blocking key 3.2 is arranged, and the device further includes a first stopper, the first stopper is fixed to pass through the first slot, and two ends of the first stopper are two first blocking keys 3.2.
In this embodiment, the first stopper may be fixedly connected to the first slot by welding. Of course, the two first blocking keys 3.2 may also be directly welded on the circumferential surface of the center pin 3.1, which is not limited in this embodiment.
In this embodiment, the central pin 3.1 is provided with an annular mounting groove at the position where the limiting ring 3.3 is disposed, and the limiting ring 3.3 may be fixedly disposed in the mounting groove by welding or integral molding, which is not limited in this embodiment.
In this embodiment, the center pin 3.1 is provided with a second slot at the position where the second stop key 3.4 is arranged, and the apparatus further includes a second stopper, the second stopper is fixed to pass through the second slot, and two ends of the second stopper are two second stop keys 3.4.
Similarly, in this embodiment, the second stopper may also be fixedly connected to the second slot hole by welding. Of course, the two second stop keys 3.4 may also be welded directly to the circumferential surface of the center pin 3.1, which is not limited in this embodiment.
Preferably, in this embodiment, the included angle between the connecting line between the two second stop keys 3.4 and the connecting line between the two first stop keys 3.2 is 90 °, that is, the connecting line between the two second stop keys 3.4 and the two first stop keys 3.2 are continuously and vertically arranged, of course, the clamping therebetween may be other angles, such as 60 °, and the like, which is not limited in this embodiment.
Fig. 3 is a schematic structural diagram of the upper center plate in fig. 1, fig. 4 is a schematic structural diagram of the bolster in fig. 1, with reference to fig. 1, fig. 3 and fig. 4, in this embodiment, the upper center plate 2 is fixedly connected to the vehicle body, the upper center plate 2 is movably disposed at the top of the bolster 1, the upper center plate 2 is provided with a first through hole through which the center pin 3.1 passes, a first positioning groove 2.1 correspondingly matched with the first stop key 3.2 is disposed on an inner side wall of the first through hole, the center pin 3.1 passes through the first through hole, the first stop key 3.2 is embedded in the corresponding first positioning groove 2.1, the limiting ring 3.3 is disposed between the upper center plate 2 and the bolster 1, the bolster 1 is provided with a second through hole through which the center pin 3.1 passes, a second positioning groove 4.2 correspondingly matched with the second stop key 3.4 is disposed on an inner side wall of the second through hole, the center pin 3.1 passes through the second through hole, and the second stop key 3.4 is embedded in the corresponding second positioning groove 4.2.
During specific implementation, the limiting ring 3.3 and the second stop key 3.4 are assembled on the center pin 3.1, then the lower end of the center pin 3.3 is arranged in the second through hole of the swing bolster 1 in a penetrating manner, the center pin 3.3 is operated to rotate, the second stop key 3.4 is arranged in the second positioning groove 4.2 of the second through hole in a penetrating manner, the upper center plate 2 is assembled on the top of the swing bolster 1, the upper end of the center pin 3.3 is arranged in the first through hole of the upper center plate 2 in a penetrating manner, the second stop key 3.4 is assembled on the center pin 3.1, the center pin 3.3 or the upper center plate 2 is operated to rotate, the second stop key 3.2 is arranged in the first positioning groove 2.1 of the first through hole in a penetrating manner, and finally the upper center plate 2 is fixed on a vehicle body, so that self-locking can be formed between the vehicle body and the bogie.
In this embodiment, the upper core plate 2 may be fixedly connected to the bottom of the vehicle body by welding, and certainly, the upper core plate 2 may also be fixedly assembled to the bottom of the vehicle body by other methods, which is not limited in this embodiment.
With reference to fig. 1, 3 and 4, in the present embodiment, a center plate surface 4.4 is disposed on the top of the bolster 1, and the upper center plate 2 movably fits on the center plate surface 4.4.
In this embodiment, the top of the core plate surface 4.4 may be provided with a plurality of annular mounting grooves, and each mounting groove is provided with a roller, so that the upper core plate 2 may be in rolling friction when rotating at the top of the bolster 1, thereby improving the assembly efficiency of the self-locking device.
Further, with reference to fig. 1, 3 and 4, in this embodiment, the top of the bolster 1 is further provided with a limit retaining ring 4.5, and the limit retaining ring 4.5 is disposed on the outer side of the core plate surface 4.4 to limit the position of the upper core plate 2, so as to improve the safety of assembly.
Further, with reference to fig. 3 and 4, in this embodiment, a step 4.3 is disposed on the top of the bolster 1, the step 4.3 is located in the middle of the central disc surface 4.4, the step 4.3 is higher than the central disc surface 4.4, a positioning cover 2.2 is disposed inside the upper central disc 2, and the positioning cover 2.2 covers the step 4.3, so that the step 4.3 can also limit the position of the upper central disc 2.
In this embodiment, the step 4.3 and the limiting retainer ring 4.5 can be integrally formed on the top of the swing bolster 1, the positioning cover 2.2 can also be integrally formed with the upper core plate 2, the first positioning groove 2.1 can be opened on the positioning cover 2.2, and the second positioning groove 4.2 is opened on the step 4.3.
In addition, in the embodiment, the top of the first positioning groove 2.1 and the top of the second positioning groove 4.2 are both open to serve the assembly of the corresponding stop key in the positioning groove.
In conclusion, the self-locking center pin device of the embodiment has a simple structure, does not occupy too much space, and can meet the requirement of center pin self-locking under the condition that the structural space of the bogie is deficient, so as to prevent the vehicle running in a strong wind area from turning over, and meet the condition that the vehicle is integrally lifted and transported without adding extra tooling equipment.
The above-mentioned embodiments are only for convenience of description of the preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and it will be apparent to those skilled in the art that the technical scope of the present invention is not limited by the above-mentioned embodiments, and that the technical scope of the present invention is not to be changed or modified by the claims.
Claims (10)
1. A self-locking core pin assembly, said assembly comprising:
the center pin assembly (3) comprises a center pin (3.1), two first stop keys (3.2), two limiting rings (3.3) and two second stop keys (3.4), the two first stop keys (3.2) are oppositely arranged on the peripheral surface of the upper end of the center pin (3.1), the two second stop keys (3.4) are oppositely arranged on the peripheral surface of the lower end of the center pin (3.1), a connecting line between the two second stop keys (3.4) and a connecting line between the two first stop keys (3.2) form an included angle, the limiting rings (3.3) are fixedly arranged on the peripheral surface of the center pin (3.1), and the limiting rings (3.3) are arranged between the first stop keys (3.2) and the second stop keys (3.4);
the swing bolster comprises a swing bolster (1) and an upper center plate (2), wherein the upper center plate (2) is fixedly connected to a vehicle body, the upper center plate (2) is movably arranged at the top of the swing bolster (1), the upper center plate (2) is provided with a first through hole for a center pin (3.1) to pass through, the inner side wall of the first through hole is provided with a first positioning groove (2.1) correspondingly matched with the first stop key (3.2), the center pin (3.1) passes through the first through hole, the first stop key (3.2) is embedded in the corresponding first positioning groove (2.1), a limit ring (3.3) is arranged between the upper center plate (2) and the swing bolster (1), the swing bolster (1) is provided with a second through hole for the center pin (3.1) to pass through, the inner side wall of the second through hole is provided with a second stop key (4.2) correspondingly matched with the second key (3.4), and the center pin (3.1) penetrates through the second stop key (4) and is embedded in the second positioning groove (2.1);
assembling the limiting ring (3.3) and the second stop key (3.4) on the center pin (3.1), so that the lower end of the center pin (3.1) is arranged in the second through hole of the swing bolster (1) in a penetrating manner, operating the center pin (3.1) to rotate, enabling the second stop key (3.4) to be arranged in the second positioning groove (4.2) of the second through hole in a penetrating manner, assembling the upper center plate (2) to the top of the swing bolster (1), arranging the upper end of the center pin (3.1) in the first through hole of the upper center plate (2) in a penetrating manner, assembling the first stop key (3.2) on the center pin (3.1), operating the center pin (3.1) or the upper center plate (2) to rotate, enabling the first stop key (3.2) to be arranged in the first positioning groove (2.1) of the first through hole in a penetrating manner, finally fixing the first stop key (3.2) on the center plate (2) on a vehicle body, and forming a self-locking frame between the vehicle body and the steering frame.
2. The self-locking center pin device according to claim 1, characterized in that the center pin (3.1) is provided with a first slot hole where the first catch (3.2) is provided;
the device also comprises a first stop block, wherein the first stop block fixedly penetrates through the first slotted hole, and two first stop keys (3.2) are arranged at two ends of the first stop block.
3. The self-locking center pin device according to claim 1, wherein the center pin (3.1) is provided with an annular mounting groove where the retainer ring (3.3) is disposed, and the retainer ring (3.3) is fixedly disposed in the mounting groove.
4. The self-locking center pin device according to claim 1, wherein the center pin (3.1) is provided with a second slot hole where the second stopper key (3.4) is provided;
the device also comprises a second stop block, the second stop block fixedly penetrates through the second slotted hole, and two second stop keys (3.4) are arranged at two ends of the second stop block.
5. The self-locking center pin assembly of claim 1, wherein the included angle is 90 °.
6. The self-locking center pin device of claim 1, wherein a center plate surface (4.4) is arranged at the top of the swing bolster (1), and the upper center plate (2) is movably attached to the center plate surface (4.4).
7. The self-locking center pin device as claimed in claim 6, wherein a limit retainer ring (4.5) is further arranged at the top of the swing bolster (1), and the limit retainer ring (4.5) is arranged on the outer side of the center plate surface (4.4).
8. The self-locking center pin device of claim 7, wherein a step (4.3) is arranged at the top of the swing bolster (1), the step (4.3) is positioned in the middle of the center plate surface (4.4), the step (4.3) is higher than the center plate surface (4.4), a positioning cover (2.2) is arranged inside the upper center plate (2), the positioning cover (2.2) covers the step (4.3), and the first positioning groove (2.1) is formed in the positioning cover (2.2).
9. A bogie, characterized in that it comprises a self-locking king pin arrangement according to any one of claims 1-8.
10. A railway vehicle, characterized in that it comprises a bogie according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110525456.XA CN113232688B (en) | 2021-05-13 | 2021-05-13 | Self-locking center pin device, bogie and railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110525456.XA CN113232688B (en) | 2021-05-13 | 2021-05-13 | Self-locking center pin device, bogie and railway vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113232688A CN113232688A (en) | 2021-08-10 |
| CN113232688B true CN113232688B (en) | 2022-12-13 |
Family
ID=77134152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110525456.XA Active CN113232688B (en) | 2021-05-13 | 2021-05-13 | Self-locking center pin device, bogie and railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113232688B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2463343A (en) * | 1945-07-04 | 1949-03-01 | Williams Keith | Locking center pin for railway cars |
| JPH0741834B2 (en) * | 1988-11-11 | 1995-05-10 | 株式会社日立製作所 | Railway vehicle body support device |
| CA2433701A1 (en) * | 2003-06-27 | 2004-12-27 | Ronsco Inc. | Center plate assembly for a rail road car |
| CN102079317A (en) * | 2011-01-13 | 2011-06-01 | 南车长江车辆有限公司 | Center pin self-locking device for rail wagon |
| CN204821586U (en) * | 2015-06-30 | 2015-12-02 | 包头北方创业股份有限公司 | Two -wayly prevent separator |
| CN205381275U (en) * | 2016-01-29 | 2016-07-13 | 中车齐齐哈尔车辆有限公司 | Railway freight car's coupling assembling and have its railway freight car |
-
2021
- 2021-05-13 CN CN202110525456.XA patent/CN113232688B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113232688A (en) | 2021-08-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104163180B (en) | Rail wagon bogie single-stage shaft housing hanging and positioning device | |
| CN113232688B (en) | Self-locking center pin device, bogie and railway vehicle | |
| CN201143933Y (en) | Special lower layer end ferry plate for dual-layer transport automobile | |
| CN210191586U (en) | Vehicle steering knuckle structure | |
| RU103521U1 (en) | SIDE FRAME OF THE TRUCK OF A CAR | |
| CN104401349A (en) | Locomotive traction pin of lifting bogie | |
| WO2022048526A1 (en) | Bolster and bogie | |
| CN113120810B (en) | Connecting assembly and forklift using same | |
| CN210821645U (en) | Wheel of vehicle | |
| CN110435696B (en) | Connecting structure of railway vehicle body and bogie | |
| CN109334696B (en) | Motor train underframe of empty rail truck | |
| CN109094596B (en) | Bogie and vehicle connection structure | |
| CN214164993U (en) | Side frame assembly of stop key | |
| CN201544986U (en) | Integral lifting device for steering frame and vehicle in emergency relief | |
| CN218431253U (en) | Center pin of bogie | |
| CN211642373U (en) | Convenient spare tire tray | |
| CN212243108U (en) | Trailer lower floor platform | |
| CN105584544B (en) | A kind of gooseneck modular device of the module disengaging type semitrailer of covariant | |
| CN106004922B (en) | Wheel for wheel of railway self running device for luggage to putting | |
| US1822998A (en) | Antifriction caster wheel and support | |
| CN204917572U (en) | Elevator hauler strutting arrangement | |
| CN214689502U (en) | Sleeper beam and transport vehicle with same | |
| CN210116320U (en) | Steering wheel hub connecting structure | |
| CN211032045U (en) | Commercial car floating bridge | |
| CN218949192U (en) | Bogie with integral lifting device and railway vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |