CN111806492A - Single-pull-rod central traction device for bogie, bogie and railway vehicle - Google Patents
Single-pull-rod central traction device for bogie, bogie and railway vehicle Download PDFInfo
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- CN111806492A CN111806492A CN202010712546.5A CN202010712546A CN111806492A CN 111806492 A CN111806492 A CN 111806492A CN 202010712546 A CN202010712546 A CN 202010712546A CN 111806492 A CN111806492 A CN 111806492A
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- pair
- traction
- vertical
- pull rod
- bogie
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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
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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
- B61F5/22—Guiding of the vehicle underframes with respect to the bogies
- B61F5/24—Means for damping or minimising the canting, skewing, pitching, or plunging movements of the underframes
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Abstract
The invention relates to the field of central traction devices of railway vehicles, and provides a single-pull-rod central traction device for a bogie, the bogie and a railway vehicle. Comprises a traction pin seat, a vertical stop and a traction pull rod; the traction pin seat comprises a vehicle body sleeper beam connecting seat; the pair of transverse stopping baffles are oppositely arranged at the two transverse sides of the connecting seat of the sleeper beam of the vehicle body, and the bottom of one transverse stopping baffle forms a transverse shock absorber mounting seat; the traction pull rod mounting seat comprises a pair of traction pull rod mounting supports which are arranged at intervals along one longitudinal side of the car body sleeper beam connecting seat; a pair of vertical stop mounting seats formed at the bottom of each traction pull rod mounting support; the pair of vertical stopping blocks are respectively and fixedly connected to the pair of vertical stopping block mounting seats, and the stopping ends face to the longitudinal direction of the vehicle body sleeper beam connecting seat and are opposite in direction; a traction pull rod is connected to a pair of traction pull rod mounting supports and the bogie frame. The invention can solve the problem that the existing single-pull-rod traction device is difficult to install in a bogie due to large occupied space.
Description
Technical Field
The invention relates to the technical field of central traction devices of railway vehicles, in particular to a single-pull-rod central traction device for a bogie, the bogie and a railway vehicle.
Background
The existing central traction devices applied to the railway vehicle bogie are various and generally divided into a Z-shaped double-pull-rod traction device and a single-pull-rod traction device. The Z-shaped double-pull-rod traction device comprises a traction pin seat and a traction beam, one end of the double-pull-rod is connected to the traction beam, and the other end of the double-pull-rod is connected to a framework. In the single-pull-rod traction device, a traction beam is generally cancelled, one end of a traction pull rod is directly connected with a traction pin seat, and the other end of the traction pull rod is connected to a framework. The existing single-pull-rod traction device is generally in a low-level pull rod installation mode, the installation space is relatively large, and the structural requirements of a bogie with short bottom limit and small wheelbase cannot be met.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a single-pull-rod central traction device for a bogie, which solves the technical problem that the existing single-pull-rod central traction device is difficult to install in the bogie due to large occupied space.
The invention further provides the bogie.
The invention further provides the railway vehicle.
According to the embodiment of the first aspect of the invention, the single-pull-rod central traction device for the bogie comprises a traction pin seat, a pair of vertical stopping blocks and a traction pull rod; the kingpin boss includes:
a car body sleeper beam connecting seat;
the pair of transverse stopping baffles are oppositely arranged at the two transverse sides of the car body sleeper beam connecting seat, and a transverse shock absorber mounting seat is formed at the bottom of one transverse stopping baffle;
the traction pull rod mounting seat comprises a pair of traction pull rod mounting supports which extend downwards along one longitudinal side of the car body sleeper beam connecting seat and are arranged side by side at intervals, and the pair of traction pull rod mounting supports are positioned between the pair of transverse stopping baffles;
a pair of vertical stop mounting seats formed at the bottom of each traction pull rod mounting seat;
the pair of vertical stopping blocks are respectively and fixedly connected to the pair of vertical stopping block mounting seats, and the stopping ends of the pair of vertical stopping blocks face the longitudinal direction of the vehicle body sleeper beam connecting seat and are opposite in direction;
one end of the traction pull rod is connected to the pair of traction pull rod mounting supports, and the other end of the traction pull rod is connected to the bogie frame.
According to one embodiment of the invention, the traction pull rod mounting support is a vertical rib plate, the vertical stop mounting support comprises a connecting plate and a vertical stop plate, the connecting plate is vertically connected to the bottom of the vertical rib plate, and the vertical stop plate is vertically connected to the bottom of the connecting plate.
According to one embodiment of the invention, each of the pair of vertical stop plates is formed by horizontally bending the bottom of the connecting plate towards the same side of the connecting plate.
According to one embodiment of the invention, the thickness of the connecting plate is smaller than that of the vertical rib plate, one side of the connecting plate close to the vertical stop plate is in transitional connection with the corresponding side of the vertical rib plate, and one side of the connecting plate back to the vertical stop plate is connected to the bottom surface of the vertical rib plate and forms a step shape with the corresponding side of the vertical rib plate.
According to one embodiment of the invention, the vertical rib plate, the connecting plate and the vertical stop plate are integrally formed; each vertical stop plate is provided with a mounting hole, the mounting hole is perpendicular to the surface of the vertical stop plate, a pair of traction pull rod mounting supports are provided with through holes, and the through holes are perpendicular to the surface of the vertical rib plate.
According to one embodiment of the invention, a reinforcing rib is connected between a pair of the traction pull rod mounting supports and the adjacent transverse stop baffle, and the traction pull rod mounting supports and the transverse stop baffle are connected into a whole through the reinforcing rib.
According to one embodiment of the invention, the vehicle body sleeper beam connecting seat comprises a horizontal seat plate extending horizontally, a central pin shaft protruding upwards is arranged in the middle of the horizontal seat plate, and a row of connecting holes are respectively formed in the plate surface of the horizontal seat plate, which is located on the two longitudinal sides of the vehicle body sleeper beam connecting seat.
According to one embodiment of the invention, the horizontal seat plate is provided with lightening holes at two opposite sides of the central pin shaft.
According to one embodiment of the invention, the body bolster connecting seat, the transverse stop baffle, the transverse damper mounting seat, the traction pull rod mounting support and the vertical stop mounting seat are integrally cast and formed into an integral traction pin seat.
A bogie according to an embodiment of a second aspect of the present invention includes a frame including a pair of cross members arranged at a spacing in a lateral direction and a pair of side members connected to the cross members arranged at a spacing in a longitudinal direction; the bogie single-pull-rod central traction device is arranged between a pair of cross beams, a pair of traction pull-rod mounting supports are arranged close to one cross beam, a traction pull-rod seat is arranged at the corresponding position of the other cross beam, one end of a traction pull rod penetrates between the pair of traction pull-rod mounting supports and is mounted on the pair of traction pull-rod mounting supports through a first rotating pin shaft, the other end of the traction pull rod is connected with the traction pull-rod seat through a second rotating pin shaft, and the traction pull rod is positioned above the pair of cross beams after being mounted;
a pair of said transverse stops are mounted between a pair of said cross members, and a pair of said transverse stop guards are located between a pair of said transverse stops, each of said transverse stops facing a respective side of said transverse stop guard.
According to one embodiment of the invention, the vertical stopping bosses are arranged at the corresponding positions of the cross beams, and are matched with the vertical stopping bosses, and a gap is reserved between the vertical stopping bosses and the vertical stopping bosses in the vertical direction.
According to one embodiment of the invention, the vehicle body further comprises a transverse damper, one end of the transverse damper is connected with the transverse damper mounting seat, the other end of the transverse damper is connected to the inner side of the side beam on the adjacent side, and the transverse damper is arranged below the cross beam after being mounted.
A railway vehicle according to an embodiment of the third aspect of the invention is fitted with a single-tie rod central traction device or bogie as described above for a bogie.
One or more technical solutions in the embodiments of the present invention have at least one of the following technical effects:
compared with the traditional central traction device, the single-pull-rod central traction device for the bogie and the bogie have the advantages that the structure is simple and compact, the occupied space is small, the functions are complete, the weight of the bogie is reduced, technological assembly and other means are easy to realize, and the problems of tension in the installation space of the traction pin base and difficulty in installation caused by the reasons of tension in bottom limitation of the bogie, small axle distance and the like can be effectively solved.
The railway vehicle provided by the embodiment of the invention has all the advantages of the single-pull-rod central traction device or the bogie for the bogie due to the installation of the single-pull-rod central traction device or the bogie for the bogie, and the description is omitted.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
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 or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of an angle of a single tie rod central draft gear for a truck according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of an embodiment of the present invention showing an angle of a single-rod central traction apparatus for a bogie without a traction rod;
FIG. 3 is a schematic perspective view of another angle of a single-tie rod central draft gear for a bogie according to an embodiment of the present invention without a draft link;
FIG. 4 is a schematic perspective view of a single-tie rod central draft gear for a bogie according to an embodiment of the present invention, shown from a further angle without a draft link;
FIG. 5 is a schematic perspective view of an angle at which a single-rod central traction device for a bogie according to an embodiment of the present invention is mounted on a frame;
FIG. 6 is a schematic bottom view of a single-rod central draft gear for a truck according to an embodiment of the present invention mounted on a frame;
fig. 7 is a top view of a truck with a single-rod center hitch mounted on a frame in accordance with an embodiment of the present invention.
Reference numerals:
1-center pin shaft, 2-traction pull rod installation seat, 21-traction pull rod installation support seat, 22-through hole, 3-vertical stop installation seat, 31-connecting plate, 32-vertical stop plate, 33-installation hole, 4-transverse shock absorber installation seat, 5-transverse stop baffle, 6-car body sleeper beam connection seat, 7-reinforcing rib, 8-lightening hole, 9-traction pull rod, 91-first rotating pin shaft, 92-second rotating pin shaft, 10-vertical stop, 11-cross beam, 111-traction pull rod seat, 12-side beam, 13-transverse shock absorber, 14-transverse stop and 15-vertical stop boss.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As shown in fig. 1 to 4, in a first aspect, a single-rod central traction apparatus for a bogie according to an embodiment of the present invention (hereinafter referred to as a traction apparatus for short) mainly includes a traction pin base composed of a car body bolster connecting base 6, a transverse stopping baffle 5, a traction rod mounting base 2 and a vertical stopping mounting base 3, a pair of vertical stoppers 10 mounted on the traction pin base, and a traction rod 9.
It should be noted that the towing pin seat is installed between a pair of cross beams 11 of the bogie, and the towing pin seat is partially located above the cross beams 11 and partially located below the cross beams 11; the upper part of the traction pin seat is connected with the car body sleeper beam through a car body sleeper beam connecting seat 6.
Specifically, automobile body sleeper beam connecting seat 6 is including being platelike horizontal bedplate, and the upper surface of horizontal bedplate is the plane, and horizontal bedplate is the level and extends, and the middle part of horizontal bedplate is equipped with the bellied core pin axle 1 that makes progress.
When the vehicle body sleeper beam connecting seat 6 is connected with the vehicle body sleeper beam, the central pin shaft 1 on the horizontal seat plate is inserted into the groove on the sleeper beam to realize the positioning of the two, the two opposite sides of the upper surface of the horizontal seat plate are respectively provided with a row of connecting holes, the horizontal seat plate is attached to the bottom surface of the sleeper beam and passes through the connecting holes through a threaded fastener to be connected with the corresponding threaded holes on the sleeper beam, and therefore the traction device of the embodiment is conveniently and quickly installed below the sleeper beam through the vehicle body sleeper beam connecting seat 6.
Specifically, the pair of lateral stopper fences 5 are provided oppositely on both lateral sides of the body bolster attachment seat 6, and the "lateral sides" referred to herein are a lateral direction in the direction of the cross member 11 and a longitudinal direction in the direction perpendicular to the cross member 11 (or in the direction of the side member 12) with reference to the orientation of the draft gear mounted on the bogie.
It will be appreciated that a pair of transverse stop baffles 5 extend downwardly along opposite sides of the horizontal base. In order to ensure sufficient connection strength, the width of the connection part of the transverse stop baffle 5 and the side edge of the horizontal base body is matched with the length of the side edge of the horizontal base body, and for the convenience of description, the transverse stop baffle 5 is referred to as a first section. Along with horizontal backstop baffle 5 downwardly extending, the width of horizontal backstop baffle 5 narrows down to the less installation distance between two crossbeams 11 of adaptation, horizontal backstop baffle 5 here is called the second section, and the junction of first section and second section is arc surface transitional coupling, in order to increase streamlined, in order to avoid stress concentration.
Further, the bottom of one of the transverse stop baffles 5 is formed with a transverse damper mounting seat 4 for mounting a transverse damper 13; the transverse shock absorber mounting seat 4 is integrally formed at the bottom of the transverse stop baffle 5, and the forming is convenient.
Specifically, the traction pull rod mounting seat 2 comprises a pair of traction pull rod mounting supports 21 which extend downwards along one longitudinal side of the car body sleeper beam connecting seat 6 and are arranged side by side at intervals, the pair of traction pull rod mounting supports 21 are positioned between the pair of transverse stopping baffles 5, and through holes 22 are formed in the pair of traction pull rod mounting supports 21; so that one end of the traction link 9 is mounted on a pair of traction link mounting supports 21 and is connected with a corresponding hole on the traction link 9 through the through hole 22 by a connecting piece, thereby facilitating the mounting of the traction link 9.
Specifically, a pair of vertical backstop mount pads 3 form in the bottom of every traction pull rod erection support 21, are equipped with mounting hole 33 on every vertical backstop mount pad 3, and vertical backstop mount pad 3 makes things convenient for setting up of vertical backstop mount pad 3 and saves installation space with the traction pull rod erection support 21 integrated into one piece that links to each other.
The pair of vertical stopping blocks 10 are respectively and fixedly connected to the pair of vertical stopping block mounting seats 3, the stopping ends of the pair of vertical stopping blocks 10 face the longitudinal direction of the vehicle body sleeper beam connecting seat 6, the directions of the stopping ends are opposite, and the matching mode of the pair of vertical stopping blocks 10 and the cross beam 11 is specifically described below.
One end of a traction link 9 is connected to a pair of traction link mounting brackets 21 and the other end is for connection to the bogie frame for transmitting traction.
The invention has simple and compact structure and complete functions, reduces the weight of the traction device, is easy to realize means such as process assembly and the like, and can effectively solve the problems of tension in the installation space and difficulty in installation of the traction device caused by the reasons of tension in the bottom limit of the bogie, smaller wheel base and the like.
According to one embodiment of the invention, the towing pull rod mounting support 21 is a vertical rib plate, so that the towing pull rod seat 111 doubles as a rib plate, and the structural strength of the towing pin seat is enhanced.
Specifically, vertical backstop mount pad 3 includes connecting plate 31 and vertical backstop board 32, and connecting plate 31 is vertical to be connected in the bottom of vertical gusset, and connecting plate 31 is unanimous with the extending direction of vertical gusset promptly, and vertical backstop board 32 is perpendicular to be connected in the bottom of connecting plate 31, and the extending direction of vertical backstop board 32 is perpendicular with the extending direction of connecting plate 31 promptly, and this embodiment, the extending direction of vertical backstop board 32 is towards the vertical of automobile body sleeper beam connecting seat 6.
According to an embodiment of the present invention, the pair of vertical stop plates 32 are formed by horizontally bending the bottom of the connecting plate 31 toward the same side of the connecting plate 31, and the plate surfaces of the vertical stop plates 32 are horizontal, so as to facilitate connection of the vertical stops 10.
According to an embodiment of the invention, the thickness of the connecting plate 31 is smaller than that of the vertical rib plate, one side of the connecting plate 31 close to the vertical stop plate 32 is in transition connection with the corresponding side, namely the inner side, of the vertical rib plate, and can be in smooth transition connection through a plurality of sections of arc surfaces, one side of the connecting plate 31 back to the vertical stop plate 32 is connected with the bottom surface of the vertical rib plate, and forms a step shape with the corresponding side, namely the outer side, of the vertical rib plate. The connecting structure of the vertical rib plates and the connecting plates 31 is convenient for light weight on one hand, and on the other hand, an avoiding space can be formed at the stepped structure of the connecting plates 31, so that the installation of other parts on the cross beam 11 is facilitated.
Further, will pull rod erection support 21 sets up to vertical gusset, be convenient for set up through-hole 22 on vertical gusset, overcome current pull rod mount pad 2 because structural constraint all sets up the screw blind hole, be connected with pull rod 9 through the screw blind hole, when leading to using defect such as smooth silk appears in the screw blind hole for a period of time, need the trouble of tapping again, through setting up through-hole 22, be convenient for pull rod connection, long service life moreover, the dismouting is all more convenient.
This embodiment directly sets up through-hole 22 through avoiding setting up the screw thread blind hole on traction pull rod erection support 21, is convenient for later maintenance, also is convenient for traction pull rod 9 to install.
For ease of manufacture, according to one embodiment of the invention, the vertical webs, the web 31 and the vertical stop 32 are integrally formed.
Specifically, in this embodiment, the mounting hole 33 is perpendicular to the surface of the vertical stop plate 32 and is disposed on the vertical stop plate 32, and the through hole 22 is perpendicular to the surface of the vertical rib plate and is disposed on the vertical rib plate.
According to one embodiment of the invention, the reinforcing ribs 7 are connected between the pair of traction pull rod mounting supports 21 and the adjacent transverse stop baffle 5, and the traction pull rod mounting supports 21 and the transverse stop baffle 5 are connected into a whole through the reinforcing ribs 7, so that the structural strength is enhanced.
In addition, according to one embodiment of the invention, the weight reduction holes 8 are formed in the horizontal seat plate and located on two opposite sides of the center pin shaft 1, so that the overall weight reduction of the traction device is facilitated.
According to one embodiment of the invention, the vehicle body sleeper beam connecting seat 6, the transverse stopping baffle 5, the transverse shock absorber mounting seat 4, the traction pull rod mounting support 21 and the vertical stopping mounting seat 3 are integrally cast and formed, the process is mature, the implementation is easy, an integrated traction pin seat is formed, and the occupied space is small.
Moreover, the integrated traction pin seat fully utilizes the limited space between the bogie beams 11, and integrates the structures of the traction pull rod mounting seat 2, the transverse shock absorber mounting seat 4, the transverse stopping baffle 5, the vehicle body sleeper beam connecting seat 6, the vertical stopping mounting seat 3 and the like under the condition of ensuring the structural strength to meet, so that the functions of transmitting longitudinal force, braking force, transverse limiting, preventing the air spring from being overcharged and integrally hoisting can be realized simultaneously.
In a second aspect, as shown in fig. 5 to 7, a bogie according to an embodiment of the present invention includes a frame including a pair of cross members 11 arranged at a spacing in a lateral direction and a pair of side members 12 connected to the cross members 11 arranged at a spacing in a longitudinal direction, and further includes a pair of lateral stoppers 14 and a traction device.
Specifically, the traction device is installed between a pair of crossbeams 11, a pair of traction pull rod installation supports 21 are arranged close to one of the crossbeams 11, traction pull rod seats 111 are arranged at corresponding positions of the other crossbeam 11, the traction pull rod seats 111 are arranged in pairs, and installation holes are formed in the traction pull rod seats 111.
It should be introduced here that both ends of the pulling rod 9 are provided with hinge holes, both ends of the pulling rod 9 are respectively rotatably connected by a first rotating pin 91 and a second rotating pin 92 passing through the hinge holes, and both ends of the first rotating pin 91 and the second rotating pin 92 are provided with connecting through holes 22.
One end of the traction pull rod 9 penetrates between the pair of traction pull rod mounting supports 21 and is mounted on the pair of traction pull rod mounting supports 21 through a first rotating pin shaft 91, two connecting through holes 22 on the first rotating pin shaft 91 are arranged in one-to-one correspondence with through holes 22 on the pair of traction pull rod mounting supports 21, and the first end of the traction pull rod 9 is rotatably mounted on the pair of traction pull rod mounting supports 21 through the connecting piece penetrating through the connecting through holes 22 and the through holes 22. The other end of the traction pull rod 9 is connected with the traction pull rod seat 111 through a second rotating pin shaft 92, the connecting through holes 22 at the two ends of the second rotating pin shaft 92 correspond to the mounting holes on the traction pull rod seat 111 one by one, and the second end of the traction pull rod 9 is rotatably mounted on the traction pull rod seat 111 through the connecting piece penetrating through the connecting through holes 22 and the mounting holes on the traction pull rod seat 111, so that the two ends of the traction pull rod 9 are respectively connected, and the force on the bogie is transmitted to the traction pin seat and then transmitted to the vehicle body. In order to avoid the narrow space below the cross beams 11, the traction pull rod 9 is arranged above the pair of cross beams 11 after being installed, so that the effective space above the cross beams 11 is fully utilized.
Specifically, a pair of lateral stops 14 are mounted between the pair of cross beams 11, for example, a pair of mounting seats is provided between the pair of cross beams 11 across the pair of cross beams 11, the pair of lateral stops 14 are respectively mounted on the mounting seats, the lateral stop baffle 5 is located between the pair of lateral stops 14, each lateral stop 14 faces the lateral stop baffle 5 of the corresponding side, so that the lateral displacement of the towing device is limited by the cooperation of the lateral stops 14 and the lateral stop baffles 5.
According to an embodiment of the present invention, as shown in fig. 6, a pair of vertical stoppers 10 are respectively and fixedly connected to a pair of vertical stopper mounting seats 3, i.e. the above-mentioned horizontally extending vertical stopper plates 32, the pair of vertical stoppers 10 are oppositely oriented and respectively oriented to the cross beams 11 of the adjacent sides to form a tandem arrangement, a vertical stopper boss 15 is respectively disposed at a corresponding position of each cross beam 11, the vertical stopper 10 is matched with the vertical stopper boss 15 to limit the vertical displacement of the traction pin seat, and a gap is normally left between the vertical stopper 10 and the vertical stopper boss 15 to keep the vertical stopper 10 and the vertical stopper boss independent. In the air spring inflation process, the gap between the vertical stopping boss 10 and the vertical stopping boss 15 is smaller and smaller, and the air spring cannot be inflated continuously until the vertical stopping boss 10 and the vertical stopping boss 15 are attached together due to the fact that the air spring is overcharged, so that the effect of preventing the air spring from being overcharged is achieved.
In addition, the integral hoisting structure and the vertical stopping block 10 are in the same structure, namely, when the bogie is hoisted, the vertical stopping block 10 is used for realizing the hoisting, so that the number of structural parts is reduced, and the bogie is convenient to produce, manufacture, install and maintain; and simultaneously, the gap is conveniently adjusted by adding a gasket after the wheel is worn.
According to an embodiment of the invention, as shown in fig. 7, the transverse shock absorber 13 is further included, one end of the transverse shock absorber 13 is connected with the transverse shock absorber mounting seat 4, the other end of the transverse shock absorber 13 is connected to the inner side of the adjacent side beam 12 of the bogie, the transverse shock absorber 13 is arranged below the cross beam 11 after being mounted, the transverse shock absorber mounting seat 4 is integrated on the traction device, the transverse shock absorber 13 is convenient to mount, and the transverse shock absorber 13 and the traction pull rod 9 are respectively arranged above and below the cross beam 11, so that the upper space and the lower space of the cross beam 11 are reasonably utilized, the overall structure layout is reasonable, and the structure is compact.
In a third aspect, a railway vehicle according to an embodiment of the present invention, which is equipped with a kingpin boss or bogie as described above, has all the advantages of the kingpin boss or bogie as described above, and will not be described herein again.
The above embodiments are merely illustrative of the present invention and are not to be construed as limiting the invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.
Claims (13)
1. A single-pull-rod central traction device for a bogie is characterized by comprising a traction pin seat, a pair of vertical backstops and a traction pull rod; the kingpin boss includes:
a car body sleeper beam connecting seat;
the pair of transverse stopping baffles are oppositely arranged at the two transverse sides of the car body sleeper beam connecting seat, and a transverse shock absorber mounting seat is formed at the bottom of one transverse stopping baffle;
the traction pull rod mounting seat comprises a pair of traction pull rod mounting supports which extend downwards along one longitudinal side of the car body sleeper beam connecting seat and are arranged side by side at intervals, and the pair of traction pull rod mounting supports are positioned between the pair of transverse stopping baffles;
a pair of vertical stop mounting seats formed at the bottom of each traction pull rod mounting seat;
the pair of vertical stopping blocks are respectively and fixedly connected to the pair of vertical stopping block mounting seats, and the stopping ends of the pair of vertical stopping blocks face the longitudinal direction of the vehicle body sleeper beam connecting seat and are opposite in direction;
one end of the traction pull rod is connected to the pair of traction pull rod mounting supports, and the other end of the traction pull rod is connected to the bogie frame.
2. The single-pull-rod central traction device for the bogie according to claim 1, wherein the traction pull rod mounting support is a vertical rib plate, the vertical stopping mounting support comprises a connecting plate and a vertical stopping plate, the connecting plate is vertically connected to the bottom of the vertical rib plate, and the vertical stopping plate is vertically connected to the bottom of the connecting plate.
3. The single-rod central draft gear for trucks according to claim 2, wherein each of said pair of vertical stop plates is formed by horizontally bending the bottom of said web toward the same side of said web.
4. The single-pull-rod central traction device for the bogie according to claim 2, wherein the thickness of the connecting plate is smaller than that of the vertical rib plate, one side of the connecting plate close to the vertical stop plate is in transitional connection with the corresponding side of the vertical rib plate, and one side of the connecting plate back to the vertical stop plate is connected to the bottom surface of the vertical rib plate and forms a step shape with the corresponding side of the vertical rib plate.
5. The single-pull-rod central traction device for the bogie according to claim 2, wherein the vertical rib plate, the connecting plate and the vertical stopper plate are integrally formed; each vertical stop plate is provided with a mounting hole, the mounting hole is perpendicular to the surface of the vertical stop plate, a pair of traction pull rod mounting supports are provided with through holes, and the through holes are perpendicular to the surface of the vertical rib plate.
6. The single-rod central traction apparatus for a bogie as recited in claim 1, wherein a reinforcing rib is connected between a pair of said traction-rod mounting brackets and the adjacent said transverse stopping baffle, and said traction-rod mounting brackets and said transverse stopping baffle are connected as a whole by said reinforcing rib.
7. The single-rod central traction apparatus for a bogie as recited in claim 1, wherein said body bolster attachment seat comprises a horizontally extending horizontal seat plate, a central pin protruding upward is disposed in the middle of said horizontal seat plate, and a row of attachment holes are disposed on each of the longitudinal sides of said body bolster attachment seat on the surface of said horizontal seat plate.
8. The single-rod center draft gear for a bogie according to claim 7, wherein said horizontal seat plate is provided with lightening holes at opposite sides of said kingpin axis.
9. The single-rod central draft gear for a bogie according to any one of claims 1 to 8, wherein said body bolster attachment seat, said lateral stop fence, said lateral damper mount, said draft link mount and said vertical stop mount are integrally cast as a single-piece draft pin boss.
10. A bogie comprises a framework, the framework comprises a pair of cross beams arranged at intervals along the transverse direction and a pair of side beams connected with the cross beams and arranged at intervals along the longitudinal direction, characterized in that it further comprises a pair of lateral stops and a single-tie rod central traction device for bogies according to any one of claims 1 to 9, the bogie single-pull-rod central traction device is arranged between a pair of cross beams, a pair of traction pull rod mounting supports are arranged close to one of the cross beams, a traction pull rod seat is arranged at the corresponding position of the other cross beam, one end of the traction pull rod penetrates between the pair of traction pull rod mounting supports and is mounted on the pair of traction pull rod mounting supports through a first rotating pin shaft, the other end of the traction pull rod is connected with the traction pull rod seat through a second rotating pin shaft, and the traction pull rod is arranged above the pair of cross beams after being installed;
a pair of said transverse stops are mounted between a pair of said cross members, and a pair of said transverse stop guards are located between a pair of said transverse stops, each of said transverse stops facing a respective side of said transverse stop guard.
11. The bogie of claim 10, wherein a pair of the vertical stops are oppositely facing and are respectively facing the cross beams on the adjacent sides, and each cross beam is provided with a vertical stop boss at a corresponding position, the vertical stops are matched with the vertical stop bosses, and a gap is vertically reserved between the vertical stops and the vertical stop bosses.
12. The bogie according to claim 10, further comprising a transverse shock absorber, one end of the transverse shock absorber being connected to the transverse shock absorber mounting seat, the other end of the transverse shock absorber being connected to an inner side of the side sill on an adjacent side, the transverse shock absorber being mounted below the cross member.
13. A rail vehicle, characterized in that a single-tie rod central traction arrangement for a bogie as claimed in any one of claims 1 to 9 or a bogie as claimed in any one of claims 10 to 12 is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010712546.5A CN111806492B (en) | 2020-07-22 | 2020-07-22 | Single-pull-rod central traction device for bogie, bogie and railway vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010712546.5A CN111806492B (en) | 2020-07-22 | 2020-07-22 | Single-pull-rod central traction device for bogie, bogie and railway vehicle |
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| CN111806492A true CN111806492A (en) | 2020-10-23 |
| CN111806492B CN111806492B (en) | 2021-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010712546.5A Active CN111806492B (en) | 2020-07-22 | 2020-07-22 | Single-pull-rod central traction device for bogie, bogie and railway vehicle |
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Cited By (1)
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| CN112389482A (en) * | 2020-12-02 | 2021-02-23 | 中车青岛四方机车车辆股份有限公司 | Rail vehicle and secondary vertical stop of bogie thereof |
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| AU756856B2 (en) * | 1999-09-16 | 2003-01-23 | Amsted Industries Incorporated | Side frame-bolster interface for railcar truck assembly |
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| CN112389482B (en) * | 2020-12-02 | 2022-03-01 | 中车青岛四方机车车辆股份有限公司 | Rail vehicle and secondary vertical stop of bogie thereof |
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| Publication number | Publication date |
|---|---|
| CN111806492B (en) | 2021-08-20 |
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