CN113232688A - Self-locking center pin device, bogie and railway vehicle - Google Patents
Self-locking center pin device, bogie and railway vehicle Download PDFInfo
- Publication number
- CN113232688A CN113232688A CN202110525456.XA CN202110525456A CN113232688A CN 113232688 A CN113232688 A CN 113232688A CN 202110525456 A CN202110525456 A CN 202110525456A CN 113232688 A CN113232688 A CN 113232688A
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- center pin
- self
- hole
- locking
- center
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
- Vehicle Body Suspensions (AREA)
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 component of a railway vehicle, is usually arranged in a center pin hole of a truck bolster, and the exposed part is inserted into a center pin hole of an upper center plate of a vehicle body when the vehicle body is dropped with a truck, so that the rotating centers of the vehicle body and the truck are formed in the running process of the vehicle, and in addition, the upper center plate and the lower center plate can be prevented from being separated when an abnormal condition occurs, and safety accidents occur.
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.
Novel content
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 with the requirement of the self-locking center pin and the condition that the structural space of the bogie is short, can prevent the vehicle running in a strong wind area from turning over, and can meet the requirement of integrally hoisting and transporting the vehicle without 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, the 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 slotted hole is formed in the position, where the second blocking 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 core plate surface, and the upper core plate is movably attached to the core 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 disk 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 lack of structural space of the bogie, prevents vehicles running in a strong wind area from side turning, and can meet the condition of integral lifting and transportation of the vehicles 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 structural view 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 according to 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 welded directly to 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 in the second slot 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 view of the upper center plate in fig. 1, and fig. 4 is a schematic structural view of the bolster in fig. 1, in combination with fig. 1, 3 and 4, in the present embodiment, the upper center plate 2 is fixedly connected on the car 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 the 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, spacing ring 3.3 sets up between last heart dish 2 and swing bolster 1, and swing bolster 1 is provided with the second through-hole that supplies core pin 3.1 to pass, is provided with on the inside wall of second through-hole to keep off the second constant head tank 4.2 that key 3.4 corresponds the matching with the second, and core pin 3.1 penetrates the second through-hole, and second keeps off key 3.4 and inlays to establish in the second constant head tank 4.2 that corresponds.
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 of course, 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 4, 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 can be provided with a plurality of annular mounting grooves, and a roller is arranged in each mounting groove, so that the upper core plate 2 can be in rolling friction when the top of the swing bolster 4 rotates, and the assembly efficiency of the self-locking device is improved.
Further, with reference to fig. 1, 3 and 4, in this embodiment, the top of the bolster 4 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, fig. 4, in this embodiment, a step 4.3 is disposed on the top of the bolster 4, the step 4.3 is located in the middle of the central disc surface 4.4, the height of the step 4.3 is higher than the height of 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 4, 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 tense, so that the vehicle running in a strong wind area is prevented from turning over, and the integral lifting and transportation of the vehicle can be realized under the condition that no additional tooling equipment is added.
The above-mentioned embodiments are only for convenience of description of the invention, and are not intended to limit the invention in any way, and those skilled in the art will recognize that the invention can be practiced without departing from the spirit and scope of the invention.
Claims (10)
1. A self-locking center pin assembly, comprising:
the center pin assembly (3) comprises a center pin (3.1), two first blocking keys (3.2), two limiting rings (3.3) and two lower blocking keys (3.4), the two first blocking keys (3.2) are arranged on the peripheral surface of the upper end of the center pin (3.1) oppositely, the two second blocking keys (3.4) are arranged on the peripheral surface of the lower end of the center pin (3.1) oppositely, a connecting line between the two second blocking keys (3.4) and a connecting line between the two first blocking 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 blocking keys (3.2) and the second blocking keys (3.4);
swing bolster (1) and go up heart dish (2), go up heart dish (2) fixed connection on the automobile body, go up heart dish (2) activity setting and be in the top of swing bolster (1), go up heart dish (2) and be provided with the confession the first through-hole that core pin (3.1) passed, be provided with on the inside wall of first through-hole with first fender key (3.2) correspond first constant head tank (2.1) that matches, core pin (3.1) pass first through-hole, first fender key (3.2) are inlayed and are established in corresponding first constant head tank (2.1), spacing ring (3.3) set up go up heart dish (2) with between swing bolster (1), swing bolster (1) is provided with the second through-hole that supplies core pin (3.1) to pass, be provided with on the inside wall of second through-hole with second fender key (3.4) correspond the second constant head tank (4.2) that matches, the center pin (3.1) penetrates into the second through hole, and the second stop key (3.4) is embedded in the corresponding second positioning groove (4.2).
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, 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 provided, the retainer ring (3.3) being fixedly provided in the mounting groove.
4. The self-locking center pin device according to claim 1, characterized in that the center pin (3.1) is provided with a second slotted hole where the second catch (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 as claimed in claim 1, wherein a center plate surface (4.4) is provided on the top of the bolster (4), 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 (4), and the limit retainer ring (4.5) is arranged outside the center plate surface (4.4).
8. The self-locking center pin device of claim 6, wherein a step (4.3) is arranged at the top of the swing bolster (4), 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), the first positioning groove (2.1) is formed in the positioning cover (2.2), and the second positioning groove (4.2) is formed in the step (4.3).
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 true CN113232688A (en) | 2021-08-10 |
| CN113232688B CN113232688B (en) | 2022-12-13 |
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| 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 |
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Citations (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 |
| JPH02133277A (en) * | 1988-11-11 | 1990-05-22 | Hitachi Ltd | Body supporting device for railway rolling stock |
| US20040261653A1 (en) * | 2003-06-27 | 2004-12-30 | Coslovi Ilario A. | 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
Patent Citations (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 |
| JPH02133277A (en) * | 1988-11-11 | 1990-05-22 | Hitachi Ltd | Body supporting device for railway rolling stock |
| US20040261653A1 (en) * | 2003-06-27 | 2004-12-30 | Coslovi Ilario A. | 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 |
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| Publication number | Publication date |
|---|---|
| CN113232688B (en) | 2022-12-13 |
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