CN112644544B - Bogie of railway vehicle - Google Patents
Bogie of railway vehicle Download PDFInfo
- Publication number
- CN112644544B CN112644544B CN201910958027.4A CN201910958027A CN112644544B CN 112644544 B CN112644544 B CN 112644544B CN 201910958027 A CN201910958027 A CN 201910958027A CN 112644544 B CN112644544 B CN 112644544B
- Authority
- CN
- China
- Prior art keywords
- linear motor
- suspender
- vertical
- pull rod
- axle box
- 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
- B61F5/50—Other details
- B61F5/52—Bogie frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
- B61C9/38—Transmission systems in or for locomotives or motor railcars with electric motor propulsion
- B61C9/48—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension
- B61C9/50—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension in bogies
-
- 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
- B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
- B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
- B61F5/301—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes incorporating metal springs
- B61F5/302—Leaf springs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The embodiment of the application relates to the technical field of railway vehicles, in particular to a bogie of a railway vehicle. The bogie comprises a framework, an axle box, a primary suspension system and a linear motor hung at the bottom of the primary suspension system, wherein the linear motor and the framework are oppositely arranged at intervals of the axle; the linear motor is movably connected with the framework; the linear motor is movably connected with the axle box. The bogie respectively connects the linear motor with a primary suspension system, an axle box and a framework, so that the linear motor can be smoothly installed on the bogie, and the problem of installation of the linear motor on the bogie is solved.
Description
Technical Field
The application relates to the technical field of railway vehicles, in particular to a bogie of a railway vehicle.
Background
The bogie is an important part of a railway vehicle and is mainly used for supporting a vehicle body and realizing the functions of walking and steering. A conventional bogie mainly comprises a drive unit, wheel sets, a frame and a suspension system. The existing bogie mostly adopts a rotary motor as a driving device to provide driving force, and a screw rod, a gear or a chain and other intermediate transmission devices are arranged between the rotary motor and an axle, so that the power transmission path is long and the mechanical efficiency is low.
The inventor finds that the linear motor is adopted as the driving device, so that the problems of long power transmission path and low mechanical efficiency caused by the need of arranging an intermediate transmission device in the prior art can be solved, but the technical problem of how to install the linear motor into a bogie is urgently needed to be solved because the structures of the linear motor and a rotary motor are different.
Disclosure of Invention
The embodiment of the application provides a bogie of a railway vehicle, which is characterized in that a linear motor is connected with a primary suspension system, an axle box and a framework respectively, so that the linear motor can be smoothly installed on the bogie, and the installation problem of the linear motor on the bogie is solved.
The embodiment of the application provides a bogie, which comprises a framework, an axle box, a primary suspension system and a linear motor, wherein the linear motor is hoisted at the bottom of the primary suspension system;
the linear motor is movably connected with the framework;
the linear motor is movably connected with the axle box.
Preferably, the device also comprises a vertical suspender, a transverse suspender and a traction pull rod which are used for installing the linear motor;
the linear motor is hung on the primary suspension system through the vertical hanging rod;
the linear motor is connected to the bottom of the framework through the traction pull rod;
the linear motor is connected to the axle box through the transverse boom.
Preferably, the axle box includes left and right axle boxes oppositely disposed on each axle;
each axle is provided with one primary suspension system, and each primary suspension system comprises a plate spring set, a primary cross beam and a primary vertical shock absorber; the plate spring set and the series of cross beams are sequentially arranged on the top of the axle in the vertical direction, and the series of cross beams are located between the plate spring set and the axle;
one end of the plate spring group is mounted on the top of the left axle box, the other end of the plate spring group is mounted on the top of the right axle box, one end of the tie beam is mounted on the left axle box, and the other end of the tie beam is mounted on the right axle box;
the tie vertical damper is connected between the tie cross beam and the frame in the vertical direction.
Preferably, the top end of the vertical suspender is rotatably connected to the tie beam.
Preferably, the linear motor has a linear motor front end portion and a linear motor rear end portion arranged in a longitudinal direction; the front end part of the linear motor and the rear end part of the linear motor are both connected with two vertical suspenders, and the two vertical suspenders are symmetrically arranged on two sides of the axle.
Preferably, the transverse boom comprises a first transverse boom and a second transverse boom horizontally arranged in the transverse direction;
the first transverse suspender is connected with the front end part of the linear motor and a right axle box corresponding to the front end part of the linear motor;
the second transverse suspender is connected with the rear end part of the linear motor and the left axle box corresponding to the rear end part of the linear motor.
Preferably, the two traction pull rods are arranged and are obliquely arranged along the longitudinal direction; the two traction pull rods are symmetrically arranged along the longitudinal central line of the linear motor.
Preferably, the vertical hanger rod, the traction pull rod and the transverse hanger rod are all connecting rods;
pin shafts are adopted for connection between the transverse suspender and the linear motor and the axle box, between the vertical suspender and the linear motor, and between the traction pull rod and the linear motor;
the vertical suspender is provided with a suspender connecting assembly used for connecting the primary beam, and the primary beam is provided with suspender connecting seats connected with the suspender connecting assembly in a one-to-one correspondence manner;
the traction pull rod is provided with a pull rod connecting assembly used for connecting the framework, and the bottom surface of the framework is provided with pull rod connecting seats connected with the pull rod connecting assembly in a one-to-one correspondence manner.
Preferably, the boom linkage assembly comprises a boom spindle and a fastener;
the vertical suspender is provided with a suspender hole for inserting the suspender mandrel;
the two end parts of the suspender mandrel extend out of the suspender hole, and the two end parts extending out of the vertical suspender are provided with first mounting through holes;
the hanger rod connecting seat is provided with first fastening holes which are in one-to-one correspondence with the first mounting through holes;
the suspender mandrel is mounted on the tie beam through fasteners penetrating through the corresponding first mounting through holes and the first fastening holes.
Preferably, the tie rod connection assembly comprises a tie rod mandrel and a fastener;
the traction pull rod is provided with a pull rod hole for inserting the pull rod mandrel;
two end parts of the pull rod mandrel extend out of the pull rod hole, and second mounting through holes are formed in the two end parts extending out of the pull rod;
the pull rod connecting seat is provided with second fastening holes which correspond to the second mounting through holes one to one;
the pull rod mandrel is mounted on the framework through fasteners penetrating through the corresponding second mounting through holes and the second fastening holes.
Preferably, the boom spindle and the tie rod spindle each comprise:
a core shaft body;
the mandrel buffer sleeve is sleeved on the peripheral part of the mandrel body;
and the mandrel outer sleeve is sleeved on the peripheral part of the mandrel buffer sleeve and is in interference fit with the pull rod hole.
The bogie provided in the embodiment of the application has the following beneficial effects:
the bogie adopts the linear motor as a driving device for providing driving force, the linear motor can directly generate the driving force for driving the bogie to move, an intermediate transmission device is not needed, the power transmission path and the energy loss are reduced, the mechanical efficiency can be improved, and the energy is saved; the linear motor is hoisted at the bottom of the primary suspension system, namely the bottom of the framework, the space at the bottom of the framework is fully utilized, meanwhile, the linear motor is movably connected with the framework and the axle box, the linear motor is installed on the framework, the primary suspension system and the axle box, the linear motor is installed and positioned through a plurality of nodes, the reliable installation of the linear motor on a bogie is realized, and the difficult problem of installation of the linear motor on the bogie is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic perspective view of a bogie according to an embodiment of the present application;
FIG. 2 is a perspective view of another perspective of the truck provided in FIG. 1;
FIG. 3 is a schematic top view of the truck of FIG. 1;
FIG. 4 is a side view of the truck of FIG. 1;
FIG. 5 is an exploded view of the truck of FIG. 1;
FIG. 6 is a schematic view of an assembly structure between the linear motor and the frame of the truck of FIG. 1;
FIG. 7 is an exploded view of a suspension system and axle box of the truck of FIG. 1;
FIG. 8 is a schematic view of the end of the vertical boom of the truck of FIG. 1 with the boom spindle attached;
FIG. 9 is a schematic view of the end of the vertical boom of FIG. 8 shown in a disassembled configuration with the boom spindle;
fig. 10 is a schematic view in full section of the boom spindle of the vertical boom of fig. 9.
Reference numerals:
1-a bogie; 11-a framework; 12-an axle; 13-axle boxes; 14-a primary suspension system; 15-a linear motor; 16-a vertical boom; 17-a transverse boom; 18-a traction pull rod; 19-a fastener;
111-a tie rod connection base; 131-left axle box; 132-right axle box; 141-leaf spring set; 142-a tie beam; 143-a series of vertical shock absorbers; 1421-boom attachment base; 1422 — first fastening hole; 151-linear motor front end; 152-rear end of linear motor; 161-boom hole; 162-a boom mandrel; 163-first mounting through hole; 171-a first transverse boom; 172-a second transverse boom; 1621-core shaft body; 1622-a mandrel buffer sleeve; 1623-mandrel shell.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In the embodiment of the application, the rail vehicle can be a diesel locomotive or an electric locomotive, and can also be a motor train unit, a subway, a light rail or a tramcar and the like; the vehicle width direction of the rail vehicle and the axial direction of the axles are referred to as the lateral direction, the traveling direction of the rail vehicle, the longitudinal direction of the rail vehicle, and the alignment direction of the axles are referred to as the longitudinal direction, and the vertical direction and the height direction of the rail vehicle are referred to as the vertical direction. The railway vehicle may employ the following bogie of various embodiments.
The embodiment of the application provides a bogie 1, the bogie 1 comprises a framework 11, an axle 12, an axle box 13, a primary suspension system 14 and a linear motor 15 hung at the bottom of the primary suspension system 14, and the linear motor 15 and the framework 11 are arranged oppositely at intervals of the axle 12; as shown in fig. 1, the bogie 1 includes a frame 11 for supporting and mounting a vehicle body, wheels moving along a track, an axle 12 for mounting the wheels and the axle box 13, the axle box 13 for enabling the axle 12 to rotate relatively, a primary suspension system 14 mounted on the axle box 13 for buffering and damping the vehicle body, a secondary suspension system mounted between the frame 11 and the vehicle body, and a driving device for driving the bogie 1 to move along the track, in which a linear motor 15 is adopted as the driving device, and in order to enable the linear motor 15 to work normally, an induction plate capable of generating electromagnetic induction with the linear motor 15 needs to be laid on the track in advance; in the prior art, the rotary motor is directly arranged on the axle 12 to drive the axle 12 to rotate, so that the motion of the railway vehicle can be realized; as shown in the structure of fig. 4, the linear motor 15 is installed in a hoisting manner and hoisted to the bottom of the frame 11, and the axle 12 is located between the frame 11 and the linear motor 15; as shown in the structure of fig. 3, the length of the linear motor 15 corresponds to the length of the frame 11 in the longitudinal direction, and the length of the linear motor 15 is greater than the length of the frame 11; in the description of the bogie 1 of the embodiment of the present application, the left part of the page in fig. 4 is defined as the front end of the bogie 1, and the right part of the page is defined as the rear end of the bogie 1; as shown in the structure of fig. 5, the front end and the rear end of the linear motor 15 are respectively hung on a series of beams 142 of a series of suspension systems 14 through two vertical suspenders 16, and the two vertical suspenders 16 are symmetrically installed on two sides of the series of beams 142 by taking the axial lead of the axle 12 as a symmetry axis;
the linear motor 15 is movably connected with the framework 11; as shown in the structure of fig. 5 and 6, the middle part of the linear motor 15 may be connected to two traction rods 18 through a pin, the other end of the traction rod 18 is movably connected to the bottom surface of the frame 11, and for the convenience of connecting the traction rod 18 with the frame 11, the bottom surface of the frame 11 is provided with rod connecting seats 111 corresponding to the traction rods 18 one by one;
the linear motor 15 is movably connected with the axle box 13; as shown in fig. 4 and 5, a transverse boom 17 is installed between the linear motor 15 and the axle box 13, and both ends of the transverse boom 17 and the linear motor 15 and the axle box 13 may be connected by a rotating shaft, i.e., both ends of the transverse boom 17 may rotate relatively.
In the process of describing the bogie 1 in the embodiment of the present application, only the cross-shaped frame 11 is taken as an example for description, the cross-shaped frame 11 includes a frame 11 cross beam and a frame 11 longitudinal beam which are arranged in a cross manner, and the frame 11 cross beam and the frame 11 longitudinal beam may be an integrally formed structure; in practical application, the bogie 1 is not limited to the case of using the cross frame 11, and the existing H frame 11 or the frame 11 of other structure may be used.
The bogie 1 adopts the linear motor 15 as a driving device for providing driving force, the linear motor 15 can directly generate the driving force for driving the bogie 1 to move, an intermediate transmission device is not needed, the power transmission path and the energy loss are reduced, the mechanical efficiency can be improved, and the energy can be saved; the linear motor 15 is hung at the bottom of the primary suspension system 14, namely the bottom of the framework 11, the space at the bottom of the framework 11 is fully utilized, meanwhile, the linear motor 15 is movably connected with the framework 11 and the axle box 13, and the linear motor 15 is installed on the framework 11, the primary suspension system 14 and the axle box 13, so that the linear motor 15 is installed and positioned through a plurality of nodes, the reliable installation of the linear motor 15 on the bogie 1 is realized, and the installation problem of the linear motor 15 on the bogie 1 is solved.
In a specific embodiment, as shown in the structure of fig. 1, 4 and 5, the bogie 1 further comprises a vertical boom 16, a transverse boom 17 and a traction link 18 for mounting the linear motor 15; four vertical booms 16, two transverse booms 17 and two traction tie rods 18 are used in the bogie 1, wherein:
the four vertical suspension rods 16 are divided into two groups, each group comprises two vertical suspension rods 16, one group of vertical suspension rods 16 is used for hoisting the front end part of the linear motor 15 on a series of beams 142 at the front end of the bogie 1, the other group of vertical suspension rods 16 is used for hoisting the rear end part of the linear motor 15 on a series of beams 142 at the rear end of the bogie 1, and each vertical suspension rod 16 is vertically arranged; the linear motor 15 is hung on a series of cross beams 142 of a series of suspension systems 14 through four vertical suspension rods 16; the top end of the vertical suspender 16 is rotatably connected to a tie beam 142;
the two transverse booms 17 are distributed at diagonal positions of the linear motor 15, and comprise a first transverse boom 171 and a second transverse boom 172 with the same structure, for the convenience of distinguishing the two transverse booms 17, the two transverse booms 17 are named as the first transverse boom 171 and the second transverse boom 172 respectively, when the first transverse boom 171 is installed at the upper left side of the linear motor 15 in fig. 4, the second transverse boom 172 is correspondingly installed at the lower right side of the linear motor 15, and when the first transverse boom 171 is installed at the lower left side of the linear motor 15 in fig. 4, the second transverse boom 172 is correspondingly installed at the upper right side of the linear motor 15; the linear motor 15 is connected to the axle box 13 through two transverse booms 17;
as shown in the structure of fig. 5, two traction rods 18 extend obliquely along the longitudinal direction, and the two traction rods 18 are arranged in parallel and symmetrically along the longitudinal center line of the linear motor 15, so that the two sides of the frame 11 are stressed equally; two traction rods 18 are obliquely arranged between the frame 11 and the linear motor 15 so that the linear motor 15 is connected to the bottom of the frame 11 through the traction rods 18.
The linear motor 15 is fixedly installed with the primary suspension system 14, the framework 11 and the axle box 13 through the transverse suspension rod 17, the traction pull rod 18 and the vertical suspension rod 16 of the connecting rod structure, and the connecting rod structure is simple, so that the linear motor is simple, convenient and quick to manufacture and assemble, the production cost is reduced, and the production efficiency is improved.
In order to realize the rotation of the axles 12, the axle box 13 includes a left axle box 131 and a right axle box 132 oppositely disposed on each axle 12; as shown in the structure of fig. 3, the bogie 1 includes two axles 12 arranged in parallel, each axle 12 is provided with two opposite axle boxes 13, namely, a left axle box 131 and a right axle box 132, and a primary suspension system 14 is supported by the left axle box 131 and the right axle box 132 to realize the installation of the frame 11; the left axle box 131 and the right axle box 132 are disposed inside the wheels, i.e., the two axle boxes 13 on the same axle 12 are each located between the two wheels;
in order to realize the assembly of the cross-shaped frame 11 when the frame 11 in the bogie 1 is the cross-shaped frame 11 as shown in fig. 1, 2 and 4, a primary suspension system 14 is arranged on each axle 12, and the primary suspension system 14 comprises a plate spring group 141, a primary cross beam 142 and a primary vertical shock absorber 143; in the vertical direction, the plate spring group 141 and the tie beam 142 are disposed in this order on the top of the axle 12, and the tie beam 142 is located between the plate spring group 141 and the axle 12; one end of the plate spring set 141 is mounted on the top of the left axle box 131, the other end is mounted on the top of the right axle box 132, one end of a tie beam 142 is mounted on the left axle box 131, and the other end is mounted on the right axle box 132; a tie vertical damper 143 is vertically connected between a tie beam 142 and the frame 11. As shown in the structure of fig. 4, 5 and 7, a primary suspension system 14 is provided on each axle 12 in parallel with the axle 12, the primary suspension system 14 including a leaf spring set 141, a tie-beam 142 and a tie-vertical shock absorber 143; in the vertical direction, the plate spring set 141 is located at the upper part of a tie beam 142; both end portions of the plate spring set 141 are fixedly mounted on top portions of the left axle case 131 and the right axle case 132, and a middle portion of the plate spring set 141 is fixedly connected to one end portion of the cross-shaped frame 11, that is, the middle portion of the plate spring set 141 is used for supporting one end portion of a longitudinal beam connecting the frame 11; the two end parts of the first cross beam 142 are respectively arranged on the left axle box 131 and the right axle box 132 which are opposite, the middle part of the first cross beam 142 is connected with a vertical suspender 16, and the bottom end of the vertical suspender 16 is fixedly connected with the linear motor 15; the top end of a primary vertical shock absorber 143 is fixedly connected with the longitudinal beam of the framework 11, and the bottom end is fixedly connected with a primary cross beam 142; in order to mount the primary suspension system 14, the axle housing 13 is provided with a tie beam 142 mounting portion for mounting the tie beam 142 and an axle housing 13 connecting block mounting portion for mounting the end portion of the leaf spring group 141.
When bogie 1 adopts cross framework 11 and linear electric motor 15, in order to guarantee that bogie 1 can normally work, bogie 1 has adopted the primary suspension system 14 of above-mentioned structure, the leaf spring group 141 of primary suspension system 14 forms the mounting platform of framework 11, the primary crossbeam 142 forms the hoist and mount platform of linear electric motor 15, leaf spring group 141 and the vertical shock absorber 143 of primary are used for carrying out the damping and buffering to framework 11, adopt above-mentioned primary suspension system 14, can realize the perfect installation of cross framework 11 and linear electric motor 15, make bogie 1 can guarantee the service function on the basis of changing the structure, and can normally work.
In order to realize the installation of the linear motor 15, as shown in the structure of fig. 5, the linear motor 15 has a linear motor front end 151 and a linear motor rear end 152 arranged along the longitudinal direction; the front end 151 and the rear end 152 of the linear motor are connected with two vertical suspenders 16, and the two vertical suspenders 16 are symmetrically arranged on two sides of the axle 12.
Because linear electric motor front end portion 151 and linear electric motor rear end portion 152 all are connected with two vertical jibs 16, two vertical jibs 16 symmetries set up the both sides at axletree 12 for linear electric motor 15's drive power can distribute two axletrees 12 evenly on, the atress of each vertical jib 16 is even simultaneously, be favorable to preventing single stress concentration and damage, can improve vertical jib 16's life, improve rail vehicle's security and reliability.
As shown in the structure of fig. 1 and 5, the transverse boom 17 includes a first transverse boom 171 and a second transverse boom 172 horizontally disposed in the transverse direction; the first transverse boom 171 connects the linear motor front end 151 and the right axle box 132 corresponding to the position of the linear motor front end 151; the second transverse boom 172 connects the rear end 152 of the linear motor and the left axle box 131 at a position corresponding to the rear end 152 of the linear motor.
The linear motor 15 can be mounted to the axle box 13 through the first and second transverse booms 171 and 172, and thus not only the transverse mounting and fixing of the linear motor 15 is achieved, but also the transmission of the driving force or the braking force is performed through the two transverse booms 17, which is advantageous for improving the stability and reliability of the linear motor 15.
In order to realize the installation and fixation of the linear motor 15, as shown in the structures of fig. 4, 5 and 7, the vertical suspension rod 16, the traction pull rod 18 and the transverse suspension rod 17 are all connecting rods; pin shafts are adopted for connection between the transverse suspension rod 17 and the linear motor 15 and the axle box 13, between the vertical suspension rod 16 and the linear motor 15, and between the traction pull rod 18 and the linear motor 15; through holes penetrating through pin shafts can be arranged at the two ends of the transverse suspender 17, at one end of the vertical suspender 16 connected with the linear motor 15 and at one end of the traction pull rod 18 connected with the linear motor 15 so as to realize pin shaft connection;
the top end of the vertical suspension rod 16 is rotatably connected with a tie beam 142; the vertical suspender 16 is provided with a suspender connecting assembly used for connecting the first-series beam 142, the suspender connecting assembly comprises a suspender core shaft 162 and a fastener 19, the vertical suspender 16 is provided with a suspender hole 161 used for inserting the suspender core shaft 162, two end parts of the suspender core shaft 162 extend out of the suspender hole 161, and two end parts extending out of the vertical suspender 16 are provided with first mounting through holes 163; the first tie beam 142 is provided with suspender connecting seats 1421 which are correspondingly connected with the suspender connecting components one by one; the boom connecting seat 1421 is provided with first fastening holes 1422 corresponding to the first mounting through holes 163 one to one; the boom spindle 162 is mounted to a tie beam 142 by fasteners 19 passing through corresponding first mounting through holes 163 and first fastening holes 1422; as shown in fig. 8 and 9, the vertical boom 16 has two first mounting holes 163 symmetrically disposed on the boom spindle 162 at the end portion, and two first fastening holes 1422 disposed on the boom connecting seat 1421 at the middle portion of the first series of beams 142, the first fastening holes 1422 and the first mounting holes 163 are in one-to-one correspondence in position and number, and a space for accommodating the end portion of the vertical boom 16 is disposed on the boom connecting seat 1421, so that the end portion of the vertical boom 16 has a moving space when rotating relative to the first series of beams 142, and interference between the vertical boom 16 and the first series of beams 142 is prevented;
the traction pull rod 18 is provided with a pull rod connecting assembly (not shown in the figure) for connecting the framework 11, the pull rod connecting assembly comprises a pull rod mandrel (not shown in the figure) and a fastener 19, the traction pull rod 18 is provided with a pull rod hole (not shown in the figure) for inserting the pull rod mandrel, two end parts of the pull rod mandrel extend out of the pull rod hole, and second mounting through holes (not shown in the figure) are arranged on two end parts extending out of the traction pull rod 18; the bottom surface of the framework 11 is provided with pull rod connecting seats 111 which are correspondingly connected with the pull rod connecting components one by one; the pull rod connecting seat 111 is provided with second fastening holes corresponding to the second mounting through holes one to one; the tie rod mandrel is mounted to the frame 11 by fasteners 19 passing through corresponding second mounting through holes and second fastening holes. As shown in fig. 5, two second mounting holes are symmetrically disposed on the rod mandrel at the end of the traction rod 18, two rod connecting bases 111 are disposed at the bottom of the frame 11, two symmetrical protrusions (not shown) are disposed on each rod connecting base 111, a second fastening hole is disposed on each protrusion, the positions and the numbers of the second fastening holes and the second mounting holes are in one-to-one correspondence, and a space for accommodating the end of the traction rod 18 is disposed on the rod connecting base 111, so that the end of the traction rod 18 has a moving space when rotating relative to the frame 11, and interference between the traction rod 18 and the frame 11 is prevented when rotating relative to each other.
In order to realize the rotational connection between the traction link 18 and the vertical suspension rod 16, the suspension rod spindle 162 and the link spindle both adopt the same structure, and the specific structure of the suspension rod spindle 162 is taken as an example for description, and the link spindle is the same; the suspension rod mandrel 162 and the pull rod mandrel respectively comprise a mandrel body 1621, a mandrel buffer sleeve 1622 and a mandrel outer sleeve 1623; the mandrel buffer 1622 is sleeved on the outer periphery of the mandrel 1621; the mandrel sheath 1623 is sleeved on the outer periphery of the mandrel buffer sleeve 1622 and is in interference fit with the pull rod hole. As shown in the configuration of fig. 10, the boom spindle 162 includes a spindle body 1621, a spindle bumper 1622, and a spindle outer 1623; the mandrel buffer 1622 is sleeved on the outer periphery of the mandrel 1621; the mandrel sheath 1623 is sleeved on the outer periphery of the mandrel buffer 1622 and is in interference fit with the hanger rod hole 161. The central portion of the core shaft body 1621 may be a cylindrical structure or a spherical structure, and both end portions are rectangular parallelepiped structures, and the first mounting through hole 163 is formed on the rectangular parallelepiped structure portion; the mandrel buffer 1622 may be made of an elastic material, in this embodiment, the mandrel buffer 1622 is a rubber sleeve or a resin sleeve, and the mandrel body 1621 and the mandrel outer sleeve 1623 are made of a metal material such as steel; the mandrel body 1621, the mandrel outer 1623, and the mandrel buffer 1622 may be fixedly connected together by vulcanization.
Because be provided with dabber cushion 1622 between dabber body 1621 and dabber overcoat 1623, dabber cushion 1622 can take place to deform at 360 within ranges, can cushion vibration, impact between framework 11 and linear electric motor 15 or between a series of crossbeam 142 and linear electric motor 15 through dabber cushion 1622, is favorable to reducing the vibration and the impact that transmit linear electric motor 15, makes linear electric motor 15 keep at steady operating condition, improves rail vehicle's security and reliability.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. A bogie comprises a framework, an axle box and a primary suspension system, and is characterized by further comprising a linear motor hung at the bottom of the primary suspension system, wherein the linear motor and the framework are oppositely arranged at intervals of the axle;
the linear motor is movably connected with the framework;
the linear motor is movably connected with the axle box;
the axle box comprises a left axle box and a right axle box which are oppositely arranged on each axle;
each axle is provided with one primary suspension system, and each primary suspension system comprises a plate spring set, a primary cross beam and a primary vertical shock absorber; the plate spring set and the series of cross beams are sequentially arranged on the top of the axle in the vertical direction, and the series of cross beams are located between the plate spring set and the axle;
one end of the plate spring group is mounted on the top of the left axle box, the other end of the plate spring group is mounted on the top of the right axle box, one end of the tie beam is mounted on the left axle box, and the other end of the tie beam is mounted on the right axle box;
the tie vertical damper is connected between the tie cross beam and the frame in the vertical direction.
2. The bogie of claim 1, further comprising a vertical boom, a transverse boom, and a drag link for mounting the linear motor;
the linear motor is hung on the primary suspension system through the vertical hanging rod;
the linear motor is connected to the bottom of the framework through the traction pull rod;
the linear motor is connected to the axle box through the transverse boom.
3. The truck of claim 2 wherein the top end of the vertical boom is pivotally connected to the tie beam.
4. The bogie as recited in claim 3, wherein the linear motor has a linear motor front end portion and a linear motor rear end portion disposed in a longitudinal direction; the front end part of the linear motor and the rear end part of the linear motor are both connected with two vertical suspenders, and the two vertical suspenders are symmetrically arranged on two sides of the axle.
5. The bogie as recited in claim 4, wherein the transverse boom comprises a first transverse boom and a second transverse boom disposed horizontally in a transverse direction;
the first transverse suspender is connected with the front end part of the linear motor and a right axle box corresponding to the front end part of the linear motor;
the second transverse suspender is connected with the rear end part of the linear motor and the left axle box corresponding to the rear end part of the linear motor.
6. The bogie according to claim 5, wherein the traction link is provided in two and is inclined in a longitudinal direction; the two traction pull rods are symmetrically arranged along the longitudinal central line of the linear motor.
7. The bogie as recited in claim 6, wherein the vertical boom, the traction link, and the transverse boom are links;
pin shafts are adopted for connection between the transverse suspender and the linear motor and the axle box, between the vertical suspender and the linear motor, and between the traction pull rod and the linear motor;
the vertical suspender is provided with a suspender connecting assembly used for connecting the primary beam, and the primary beam is provided with suspender connecting seats connected with the suspender connecting assembly in a one-to-one correspondence manner;
the traction pull rod is provided with a pull rod connecting assembly used for connecting the framework, and the bottom surface of the framework is provided with pull rod connecting seats connected with the pull rod connecting assembly in a one-to-one correspondence manner.
8. The truck of claim 7, wherein the boom linkage assembly includes a boom spindle and a fastener;
the vertical suspender is provided with a suspender hole for inserting the suspender mandrel;
the two end parts of the suspender mandrel extend out of the suspender hole, and the two end parts extending out of the vertical suspender are provided with first mounting through holes;
the hanger rod connecting seat is provided with first fastening holes which are in one-to-one correspondence with the first mounting through holes;
the suspender mandrel is mounted on the tie beam through fasteners penetrating through the corresponding first mounting through holes and the first fastening holes.
9. The truck of claim 8 wherein the tie rod attachment assembly includes a tie rod mandrel and a fastener;
the traction pull rod is provided with a pull rod hole for inserting the pull rod mandrel;
two end parts of the pull rod mandrel extend out of the pull rod hole, and second mounting through holes are formed in the two end parts extending out of the pull rod;
the pull rod connecting seat is provided with second fastening holes which correspond to the second mounting through holes one to one;
the pull rod mandrel is mounted on the framework through fasteners penetrating through the corresponding second mounting through holes and the second fastening holes.
10. The bogie as recited in claim 9, wherein the boom spindle and the tie rod spindle each comprise:
a core shaft body;
the mandrel buffer sleeve is sleeved on the peripheral part of the mandrel body;
and the mandrel outer sleeve is sleeved on the peripheral part of the mandrel buffer sleeve and is in interference fit with the pull rod hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910958027.4A CN112644544B (en) | 2019-10-10 | 2019-10-10 | Bogie of railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910958027.4A CN112644544B (en) | 2019-10-10 | 2019-10-10 | Bogie of railway vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112644544A CN112644544A (en) | 2021-04-13 |
| CN112644544B true CN112644544B (en) | 2022-05-17 |
Family
ID=75342557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910958027.4A Active CN112644544B (en) | 2019-10-10 | 2019-10-10 | Bogie of railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112644544B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1078936A (en) * | 1977-11-30 | 1980-06-03 | George Sobolewski | Railway truck and lim propulsion assembly |
| CN102195395B (en) * | 2010-12-27 | 2013-01-23 | 南车青岛四方机车车辆股份有限公司 | Device and method for suspending linear motor of railway vehicle |
| CN102673595A (en) * | 2011-03-10 | 2012-09-19 | 南车青岛四方机车车辆股份有限公司 | Steering frame and method for positioning composite axle boxes |
| CN104895904B (en) * | 2015-06-12 | 2017-10-03 | 中车青岛四方机车车辆股份有限公司 | A kind of Linear motor bogie for being provided with locking rotation stop pad |
| CN104973077B (en) * | 2015-06-30 | 2017-10-31 | 中车青岛四方机车车辆股份有限公司 | Linear electric motors anti-drop device, height adjusting method, Linear motor bogie |
| CN109484424A (en) * | 2018-11-19 | 2019-03-19 | 中车长春轨道客车股份有限公司 | A kind of independent wheel bogie of linear motor driving |
-
2019
- 2019-10-10 CN CN201910958027.4A patent/CN112644544B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112644544A (en) | 2021-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110304092B (en) | Magnetic suspension bogie and train | |
| CN107600080B (en) | Straddle type monorail train and single traction rod type bogie thereof | |
| CN103523037A (en) | Track vehicle steering frame | |
| CN112644542B (en) | Steering frame | |
| WO2022032807A1 (en) | Frame, bogie, and rail vehicle | |
| CN112009514A (en) | Single-shaft bogie and railway maintenance mechanical equipment | |
| CN101934740A (en) | Levitation frame device for high-speed magnetic levitation train | |
| CN111483477B (en) | Two-shaft framework type vehicle body for track | |
| CN113715862A (en) | Single-wheel-pair bogie frame, bogie and railway vehicle | |
| CN110667635A (en) | Built-in bogie frame of axle box | |
| CN103101542A (en) | Elastic joint structure suitable for cantilever-type flexible suspension of CRH (China railway high-speed) train traction motor | |
| CN110304093B (en) | Magnetic suspension bogie and train | |
| CN110539756A (en) | powered railway vehicle bogie and railway vehicle | |
| WO2022032806A1 (en) | Bogie and rail vehicle | |
| CN212556255U (en) | Bogie for tourist coach | |
| CN112644544B (en) | Bogie of railway vehicle | |
| EP4008600B1 (en) | Primary suspension device, bogie and railway vehicle | |
| CN210707410U (en) | Bogie and rail vehicle | |
| CN2931192Y (en) | Board gauge bogie with electricity generating device | |
| EP4008599A1 (en) | Bogie and rail vehicle | |
| CN108382459B (en) | Front suspension knuckle assembly system | |
| CN210760784U (en) | Built-in bogie frame of axle box | |
| CN114572266A (en) | Suspension type permanent magnet direct-drive bogie | |
| EP3674165B1 (en) | Locomotive bogie having an anti-pitching geometry | |
| CN221213992U (en) | High-speed lightweight bogie for six-axle freight locomotive |
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 |