CN113895473A - Bogie frame suitable for linear induction motor - Google Patents
Bogie frame suitable for linear induction motor Download PDFInfo
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- CN113895473A CN113895473A CN202111367346.1A CN202111367346A CN113895473A CN 113895473 A CN113895473 A CN 113895473A CN 202111367346 A CN202111367346 A CN 202111367346A CN 113895473 A CN113895473 A CN 113895473A
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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
- B61F5/50—Other details
- B61F5/52—Bogie frames
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Abstract
A bogie frame suitable for a linear induction motor belongs to the field of frame devices for special bogies of railway vehicles and comprises an articulated frame mechanism, a traction and corner driving mechanism, a motor suspension mechanism and a plurality of rubber nodes. The invention can avoid the wheel rim of the wheel from contacting the steel rail, thereby achieving the effects of reducing the abrasion and noise when the vehicle passes through the curve, improving the running quality of the vehicle, reducing the maintenance cost of the track and the wheel hub, prolonging the service life of the wheel rail, reducing the resistance when the train passes through the curve section at high speed and obviously improving the passing efficiency.
Description
Technical Field
The invention belongs to the field of framework devices for special bogies of railway vehicles, and particularly relates to a bogie framework suitable for a linear induction motor.
Background
In order to meet the actual requirements of different working conditions, the bogie of the rail train and the framework thereof have evolved into a huge family with various types and functions, the framework form thereof has continuously evolved, great structural innovation or remarkable process improvement based on a brand-new design concept is endless, and the old structural form is often replaced and eliminated by a new structure.
The rail vehicle driven by the linear induction motor can change the driving force of the train in the advancing process from the adhesive rolling friction force between the steel wheel and the steel rail into the electromagnetic coupling force between the induction motor and the linear guide rail, so that the climbing capability of the rail vehicle is further enhanced, and the adaptability of the vehicle to the terrain can be greatly improved. However, in order to ensure that the driving electromagnetic force generated by the linear induction motor meets the preset requirement, the excitation air gap between the induction motor and the linear guide rail must be controlled within a given vertical range more strictly, but the requirement provides great challenges for the layout position and the vibration damping mode of the induction motor on the framework, and the existing vibration damping modes of a rigid motor hanger seat, a herringbone primary spring and the like used by the traditional framework cannot meet the design requirement of the excitation air gap on a smaller vertical vibration interval due to the overlarge vibration amplitude in the plumb direction.
Therefore, how to develop a new type of bogie frame suitable for a linear induction motor train to ensure that the height of the excitation air gap between the induction motor and the linear guide rail is within a given interval and ensure that the vibration and stress between the large parts of the bogie can be fully released while ensuring the structural strength of the frame is an urgent research and development issue.
The central symmetry plane is a virtual sectioning plane which can symmetrically divide an object with a symmetric structure into two parts which are mirror images of each other, any two symmetric points on the object which are mirror images of the central symmetry plane are connected with each other to form a line segment, and the middle points of the line segment are on the central symmetry plane.
Disclosure of Invention
The vibration reduction device aims to solve the problem that the existing vibration reduction modes of a rigid motor hanging seat, a series of spring axle boxes and the like which are conventionally adopted by the existing bogie frame have overlarge amplitude in the plumb direction, so that the design requirement of an excitation air gap on a smaller vertical vibration interval cannot be met; the invention provides a bogie frame suitable for a linear induction motor, which solves the technical problems that the prior various frame structures can not achieve better consideration and balance in the aspects of reducing the total weight, improving the structural strength, increasing the layout space of the frame, reducing the vibration amplitude, improving the passing radius of a minimum curvature line and the like.
The technical scheme adopted by the invention for solving the technical problem is as follows:
the bogie frame suitable for the linear induction motor comprises a hinged frame mechanism, a traction and corner driving mechanism, a motor suspension mechanism and a plurality of rubber nodes, wherein the motor suspension mechanism is suspended at the lower part of the hinged frame mechanism through the rubber nodes; the center of the motor suspension mechanism is provided with a central shaft hole of a suspension seat, which is used for being rotationally connected with the swing bolster rotating shaft; the upper ends of the four corners of the traction and corner driving mechanism are respectively fixedly connected below the four corners of the articulated framework mechanism, the traction and corner driving mechanism comprises two link mechanisms which are parallel to each other, and the two link mechanisms are respectively and symmetrically connected to the opposite inner side walls of the middle section of the articulated framework mechanism; the lower ends of four corners of the traction and corner driving mechanism are respectively connected with an axle on the wheel set mechanism in a rotating way through a corresponding axle box; the motor suspension mechanism is used for fixing the linear induction motor below the motor suspension mechanism through a plurality of rubber nodes.
The traction and corner driving mechanism comprises two corner driving connecting rod mechanisms, two rotating arm beams and four clamp type axle box mechanisms, wherein the two corner driving connecting rod mechanisms are parallel to each other, the two rotating arm beams are also parallel to each other, the two ends of each corner driving connecting rod mechanism are respectively and elastically connected with the end parts on the same side of the two rotating arm beams through connecting rod rubber nodes, and the four corner driving connecting rod mechanisms form a parallelogram frame together; two ends of each rotating arm beam are fixedly connected with a clamp type axle box mechanism respectively; the four clamp type axle box mechanisms are positioned outside four top corners of the parallelogram frame, and the rotation axis of the bearing in each clamp type axle box mechanism is parallel to the length direction of the rotating arm beam; the top end of the outer diameter side wall of the clamp type axle box mechanism is provided with a horizontal elastic rubber pile.
The corner driving connecting rod mechanism comprises two cantilever rods, a four-hole vertical shaft seat, a corner driving connecting rod and four connecting rod rubber nodes, wherein four axially parallel shaft holes are sequentially formed in the side wall of the four-hole vertical shaft seat, the rotating core shaft hole of the vertical shaft seat is formed in the middle section of the four-hole vertical shaft seat, and the two cantilever rod shaft holes are symmetrically formed above and below the rotating core shaft hole of the vertical shaft seat; one end of each cantilever rod is fixedly connected with one corresponding cantilever rod shaft hole through one corresponding connecting rod rubber node; the swing bolster connecting rod shaft hole is formed in the top end of the four-hole vertical shaft seat, and one end of the corner driving connecting rod is in shaft connection with the swing bolster connecting rod shaft hole; the other end of the corner driving connecting rod is connected with a corner connecting rod shaft seat at the bottom of the swing bolster through a shaft; the other end of each cantilever rod is fixedly connected with a corresponding crossbeam cantilever rod shaft seat at the bottom of the two ends of the rotary arm crossbeam through a corresponding connecting rod rubber node.
The articulated framework mechanism comprises two T-shaped side beams and a cross beam integrated framework which are articulated with each other, the main structure of the T-shaped side beams and the cross beam integrated framework is formed by vertically and fixedly connecting a single-arm side beam and a single-arm cross beam, and the single-arm side beam comprises a horizontal lower-layer middle-section side beam, a hinge shaft hole upper-layer side beam, a hinge shaft rod upper-layer side beam, two wing-shaped connecting sections and a spherical hinge bearing seat which are integrally formed; the hinge shaft hole upper layer side beam and the hinge shaft rod upper layer side beam are collinear with each other and are parallel to the lower layer middle section side beam, and two ends of the lower layer middle section side beam are respectively connected with the wing-shaped connecting sections in one-to-one correspondence; the other ends of the two wing-shaped connecting sections are connected with the upper side beam of the hinge shaft hole, and the other end of the other wing-shaped connecting section is connected with the upper side beam of the hinge shaft hole;
the center of the inner side wall of the lower middle section side beam is fixedly connected with a vertical shaft seat rotating mandrel, and each four-hole vertical shaft seat is rotatably connected with one vertical shaft seat rotating mandrel in one-to-one correspondence through a vertical shaft seat rotating mandrel hole;
the root of the single-arm cross beam is vertically and fixedly connected with the end surface of the inner side wall of the junction part of the upper side beam of the hinge shaft rod and the corresponding wing-shaped connecting section of the upper side beam; the spherical hinge shaft seat is fixedly connected in a shaft seat hole formed in the inner side wall of the junction part of the upper side beam of the hinge shaft hole and the corresponding wing-shaped connecting section; two motor hanging seat node shaft bases are fixedly connected to the middle section of the single-arm beam in parallel; the end part of the single-arm beam is provided with a ball head;
the two T-shaped side beams and the crossbeam integrated framework are rotationally and symmetrically arranged according to a circumferential angle of 180 degrees, a ball head at the end part of each single-arm crossbeam is embedded into a ball socket of a corresponding ball hinge bearing seat on the other T-shaped side beam and the crossbeam integrated framework, and the ball head and the corresponding ball hinge bearing seat form a ball hinge bearing mechanism together; the upper end of each clamp type axle box mechanism is fixedly connected below the end part of the upper side beam of the hinge shaft hole in one-to-one correspondence or below the end part of the upper side beam of the hinge shaft rod in one-to-one correspondence through the elastic rubber pile.
The motor suspension mechanism comprises a rectangular motor suspension seat frame and two suspension seat end hole plates which are symmetrically and fixedly connected to the front end and the rear end of the rectangular motor suspension seat frame; the center of the motor hanging seat frame is provided with a hanging seat central shaft hole which is used for being connected with the lower end shaft of the swing bolster rotating shaft; the four corners of the motor hanging seat frame are provided with a motor hanging seat node hole; each motor hanging seat node hole is coaxially and fixedly connected with one motor hanging seat node shaft seat which corresponds to each other one by one through a rubber node; a motor suspension node hole and a rotating arm beam butt joint shaft hole are arranged on the longitudinal center line of the upper end surface of the end orifice plate, and the plane where the axes of the motor suspension node hole and the rotating arm beam butt joint shaft hole are located passes through the axis of the central shaft hole of the suspension seat; the center of the upper end face of each rotary arm beam is provided with a vertical rotary arm node through hole, and each rotary arm beam butt joint shaft hole is coaxially and fixedly connected with one rotary arm node through hole in one-to-one correspondence through a rubber node.
The invention has the beneficial effects that: this be applicable to linear induction motor bogie framework, its pull and corner actuating mechanism include two corner drive link mechanism, two rocking arm crossbeams and four hoop formula axle box mechanism, two corner drive link mechanism are parallel to each other, two rocking arm crossbeams are also parallel to each other, the both ends of every corner drive link mechanism are equallyd divide and are realized elastic connection through connecting rod rubber node with the tip of two rocking arm crossbeams homonymy respectively, four constitute a parallelogram frame jointly, and four hoop formula axle box mechanism all are located the outside at four apex angles of parallelogram frame. Four axially parallel shaft holes are sequentially formed in the side wall of a four-hole vertical shaft seat in the corner driving connecting rod mechanism, wherein the rotating core shaft hole of the vertical shaft seat is formed in the middle section of the four-hole vertical shaft seat, and two cantilever rod shaft holes are symmetrically formed above and below the rotating core shaft hole of the vertical shaft seat; one end of each cantilever rod is fixedly connected with one corresponding cantilever rod shaft hole through one corresponding connecting rod rubber node; the swing bolster connecting rod shaft hole is formed in the top end of the four-hole vertical shaft seat, and one end of the corner driving connecting rod is in shaft connection with the swing bolster connecting rod shaft hole; the other end of the corner driving connecting rod is connected with a corner connecting rod shaft seat at the bottom of the swing bolster through a shaft; the other end of each cantilever rod is fixedly connected with a corresponding crossbeam cantilever rod shaft seat at the bottom of the two ends of the rotary arm crossbeam through a corresponding connecting rod rubber node. The swing bolster rotating shaft is rotationally connected with a central shaft hole of a hanging seat in the center of a motor hanging seat frame, and two corner connecting rod shaft seats are bilaterally symmetrically and fixedly connected to the lower end surface of the middle section of the sleeper beam and are used for rotationally connecting corner driving connecting rods which correspond to one another one by one; the design of the brand new form enables the sleeper beam to horizontally rotate by taking the swing bolster rotating shaft as the shaft under the driving of the vehicle body underframe when the train passes through the curve track section. Meanwhile, under the drive of the corner connecting rod shaft seats at the bottoms of the swing pillows corresponding to the corner connecting rod shaft seats, the two corner driving connecting rod mechanisms which are parallel to each other can move towards opposite directions respectively, so that a frame which is originally formed by the two corner driving connecting rod mechanisms and the two rotating arm cross beams together is changed into a parallelogram frame from an initial rectangle, the special function enables wheels on different tracks in a bogie to be staggered and form a certain angle difference under the drive of the quadrilateral frame when a railway vehicle passes through a curve section, the corner driving connecting rod mechanism close to a curve outer side track enables the distance of the outer side end of the corresponding rotating arm cross beam to be increased, the other corner driving connecting rod mechanism close to a curve inner side track enables the distance of the inner side end of the corresponding rotating arm cross beam to be decreased, and finally the wheel pair is located in the radius direction of a curve line through proper proportion, and make the axletree be on a parallel with the curved radial of way to can avoid the rim contact rail of wheel, and then reach wearing and tearing and the noise that reduces the vehicle when passing through the curve, promote vehicle operation quality, reduce the maintenance cost of track and wheel hub, prolong wheel rail life's effect, and make the resistance when the train passes through the curve highway section at a high speed diminish, current efficiency is showing and is improving.
The articulated framework mechanism comprises two T-shaped side beams and a cross beam integrated framework which are articulated with each other, the main structure of the T-shaped side beams and the cross beam integrated framework is formed by vertically and fixedly connecting a single-arm side beam and a single-arm cross beam, and the root of the single-arm cross beam is vertically and fixedly connected with the end surface of the inner side wall of the junction part of the upper side beam of the articulated shaft rod and the corresponding wing-shaped connecting section of the upper side beam; the spherical hinge shaft seat is fixedly connected in a shaft seat hole formed in the inner side wall of the junction part of the upper side beam of the hinge shaft hole and the corresponding wing-shaped connecting section; two motor hanging seat node shaft bases are fixedly connected to the middle section of the single-arm beam in parallel; the end part of the single-arm beam is provided with a ball head; the two T-shaped side beams and the crossbeam integrated framework are rotationally and symmetrically arranged according to a circumferential angle of 180 degrees, a ball head at the end part of each single-arm crossbeam is embedded into a ball socket of a corresponding ball hinge bearing seat on the other T-shaped side beam and the crossbeam integrated framework, and the ball head and the corresponding ball hinge bearing seat form a ball hinge bearing mechanism together; this structural design makes two articulated T-shaped curb girders each other and the integrated framework of crossbeam can be more nimble low release articulated framework mechanism in along stress such as the torsion pendulum on the rectangle diagonal direction, roll, jolt and snake to improve the whole elasticity of framework, release its torsional rigidity, in order to adapt to the line distortion and orbital height irregularity when the vehicle passes through the superelevation curve, and then solve because of the big vehicle derailment coefficient and the too high problem of wheel weight deloading rate that leads to of the vertical rigidity of elastic rubber heap.
The motor suspension device is respectively connected with the rotating arm beam, the hinged framework mechanism and the sleeper beam, so that the electromagnetic driving force of the linear induction motor is directly transmitted to the vehicle body through the swing bolster rotating shaft and the sleeper beam, the hinged framework device of the invention does not bear longitudinal traction force load any more, and the invention can completely replace a series of complex and heavy auxiliary structures such as rigid springs and the like on an old framework and occupy larger layout space only by using the elastic rubber piles, thereby not only reducing the total mass and the assembly difficulty of the bogie, reducing the manufacturing cost, but also increasing the layout space of the auxiliary components such as a sensor and the like, and also reducing the turning radius of the bogie.
The horizontal elastic rubber piles are arranged at the top ends of the outer diameter side walls of the clamp type axle box mechanism, and can play a role in longitudinally moving and positioning the clamp type axle box mechanism through the rotating arm cross beams, so that the function of basically linearly positioning a wheel pair and an axle can be still played under the fault condition that the corner driving connecting rod mechanism loses the positioning function, and the basic operation safety of a train is guaranteed.
In addition, the four corners of the motor hanging seat frame are coaxially and fixedly connected with the motor hanging seat node shaft seats through rubber nodes which correspond one to one; the longitudinal central line of the upper end surface of the end hole plate of the hanging seat is provided with a rotating arm beam butt-joint shaft hole and a motor hanging node hole, and the plane where the axes of the rotating arm beam butt-joint shaft hole and the motor hanging node hole are located passes through the axis of the central shaft hole of the hanging seat; the center of the upper end surface of the rotating arm beam is provided with a vertical rotating arm node through hole, and each rotating arm beam butt-joint shaft hole is coaxially and fixedly connected with one corresponding rotating arm node through hole through a rubber node; two induction motor node seat holes are formed in the longitudinal center line of the upper end face of the linear induction motor, and each induction motor node seat hole is coaxially and fixedly connected with one corresponding motor suspension node hole through one rubber node. According to the motor suspension mechanism, the plurality of rubber nodes are arranged in a staggered mode and are designed in a stacked mode in the vertical direction, the inherent energy-absorbing and vibration-damping characteristics of the rubber nodes are fully utilized to form a multi-level triaxial vibration-damping system, and therefore the linear induction motor is guaranteed to be firmly positioned, and the height of the linear induction motor from a linear guide rail is effectively reduced. The structural improvement and the beneficial effects of the framework that the total mass of the framework becomes light, the derailment coefficient of a vehicle and the wheel weight load shedding rate are reduced, the integral gravity center of the framework is moved downwards, the amplitude of swing is weakened, the resistance of a wheel track abrasion curve section is reduced and the like play a role together, so that the framework device suitable for the bogie of the linear induction motor can achieve better consideration and balance in the aspects of reducing the total weight, improving the structural strength, increasing the layout space of the framework, reducing the vibration amplitude, improving the passing radius of a minimum curvature line and the like, and completely meet the design requirement of an excitation air gap of the linear induction motor on a smaller vertical vibration interval, thereby creating an excellent vibration reduction environment for the efficient work of the linear induction motor and the high-speed stable operation of a train section.
Drawings
FIG. 1 is a perspective view of a truck frame of the present invention adapted for use with a linear induction motor;
FIG. 2 is a schematic illustration of the preliminary explosion assembly of FIG. 1;
FIG. 3 is a further exploded assembly schematic of FIG. 2;
FIG. 4 is a top view of an integrated T-shaped side rail and cross rail frame of the present invention;
FIG. 5 is a perspective view of an exploded assembly of two T-shaped side rail and cross rail integrated frames of the present invention;
FIG. 6 is a perspective view of the articulating frame mechanism of the present invention;
FIG. 7 is a schematic perspective view of the traction and corner drive mechanism of the present invention;
FIG. 8 is a perspective view of an exploded assembly of the corner drive linkage of the present invention;
FIG. 9 is a view of the present invention in use with the wheel-set assembly of the articulating frame mechanism and the traction and corner drive mechanism;
FIG. 10 is a schematic illustration of an exploded assembly of a prior art linear induction motor and the motor suspension mechanism of the present invention connected by a plurality of rubber joints;
FIG. 11 is a schematic view of a prior art linear induction motor in use assembled with the motor suspension mechanism of the present invention through a plurality of rubber joints;
FIG. 12 is a schematic bottom view of the articulated frame structure and the traction and corner drive mechanism of the present invention with the conventional bolster;
FIG. 13 is a schematic illustration of the explosive assembly of FIG. 12;
FIG. 14 is a top view of FIG. 12;
FIG. 15 is a schematic cross-sectional view taken at the location A-A in FIG. 14;
fig. 16 is a schematic view of the general assembly of the frame of the invention with the other components installed and ultimately forming a complete bogie.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 16, the bogie frame suitable for the linear induction motor of the present invention includes: the device comprises a hinged framework mechanism, a traction and corner driving mechanism, a motor suspension mechanism 6 and a plurality of rubber nodes 7, wherein the motor suspension mechanism 6 is suspended at the lower part of the hinged framework mechanism through the rubber nodes; the center of the motor suspension mechanism 6 is provided with a central shaft hole 6-1-1 of a suspension seat, which is used for being rotationally connected with a swing bolster rotating shaft 8-1; the upper ends of the four corners of the traction and corner driving mechanism are respectively fixedly connected below the four corners of the articulated framework mechanism, the traction and corner driving mechanism comprises two link mechanisms which are parallel to each other, and the two link mechanisms are respectively and symmetrically connected to the opposite inner side walls of the middle section of the articulated framework mechanism; the lower ends of four corners of the traction and corner driving mechanism are respectively connected with an axle 1-1 on the wheel pair mechanism through a corresponding axle box 1-4 in a rotating way; the motor suspension mechanism 6 is used to fix the linear induction motor 9 thereunder through a plurality of rubber nodes 7.
The traction and corner driving mechanism comprises two corner driving connecting rod mechanisms 2, two rotating arm beams 4 and four clamp type axle box mechanisms 3, the two corner driving connecting rod mechanisms 2 are parallel to each other, the two rotating arm beams 4 are also parallel to each other, the two ends of each corner driving connecting rod mechanism 2 are respectively and elastically connected with the end parts of the two rotating arm beams 4 on the same side through connecting rod rubber nodes 2-4, and the four corner driving connecting rod mechanisms form a parallelogram frame together; two ends of each rotating arm beam 4 are fixedly connected with a clamp type axle box mechanism 3 respectively; the four clamp type axle box mechanisms 3 are all positioned outside four top corners of the parallelogram frame, and the rotation axis of the bearing inside each clamp type axle box mechanism 3 is parallel to the length direction of the rotating arm beam 4; the top end of the outer diameter side wall of the clamp type axle box mechanism 3 is provided with a horizontal elastic rubber pile 3-3.
The corner driving connecting rod mechanism 2 comprises two cantilever rods 2-1, a four-hole vertical shaft seat 2-2, a corner driving connecting rod 2-3 and four connecting rod rubber nodes 2-4, wherein four axially parallel shaft holes are sequentially formed in the side wall of the four-hole vertical shaft seat 2-2, the vertical shaft seat rotating core shaft hole 2-2-1 is formed in the middle section of the four-hole vertical shaft seat 2-2, and the two cantilever rod shaft holes 2-2-2 are symmetrically formed above and below the vertical shaft seat rotating core shaft hole 2-2-1; one end of each cantilever rod 2-1 is fixedly connected with one corresponding cantilever rod shaft hole 2-2-2 through one corresponding connecting rod rubber node 2-4; the swing bolster connecting rod shaft hole 2-2-3 is formed in the top end of the four-hole vertical shaft seat 2-2, and one end of the corner driving connecting rod 2-3 is in shaft connection with the swing bolster connecting rod shaft hole 2-2-3; the other end of the corner driving connecting rod 2-3 is connected with a corner connecting rod shaft seat 8-3 at the bottom of the swing bolster through a shaft; the other end of each cantilever rod 2-1 is fixedly connected with a corresponding beam cantilever rod shaft seat 4-2 at the bottom of the two ends of the rotating arm beam 4 through a corresponding connecting rod rubber node 2-4.
The hinged framework mechanism comprises two T-shaped side beams and a cross beam integrated framework 5 which are hinged with each other, the main structure of the T-shaped side beam and cross beam integrated framework 5 is formed by vertically and fixedly connecting a single-arm side beam 5-1 and a single-arm cross beam 5-2, and the single-arm side beam 5-1 comprises a horizontal lower-layer middle-section side beam 5-1-1, a hinge shaft hole upper-layer side beam 5-1-2, a hinge shaft rod upper-layer side beam 5-1-3, two wing-shaped connecting sections 5-1-4 and a spherical hinge bearing seat 5-1-5 which are integrally formed; the hinge shaft hole upper layer side beam 5-1-2 and the hinge shaft rod upper layer side beam 5-1-3 are collinear with each other and are parallel to the lower layer middle section side beam 5-1-1, and two ends of the lower layer middle section side beam 5-1-1 are respectively connected with the wing-shaped connecting sections 5-1-4 which are in one-to-one correspondence; the other ends of the two wing-shaped connecting sections 5-1-4 are connected with the upper layer side beam 5-1-2 of the hinge shaft hole, and the other end of the other wing-shaped connecting section 5-1-4 is connected with the upper layer side beam 5-1-2 of the hinge shaft hole;
the center of the inner side wall of the lower middle section side beam 5-1-1 is fixedly connected with a vertical shaft seat rotating mandrel 5-4, and each four-hole vertical shaft seat 2-2 is rotatably connected with one vertical shaft seat rotating mandrel 5-4 in one-to-one correspondence through a vertical shaft seat rotating mandrel hole 2-2-1;
the root of the single-arm cross beam 5-2 is vertically and fixedly connected with the end surface of the inner side wall of the junction part of the upper layer side beam 5-1-3 of the hinge shaft rod and the corresponding wing-shaped connecting section 5-1-4 thereof; the spherical hinge shaft seat 5-1-5 is fixedly connected in a shaft seat hole 5-1-4-1 arranged in the inner side wall of the junction part of the side beam 5-1-2 at the upper layer of the hinge shaft hole and the corresponding wing-shaped connecting section 5-1-4; two motor hanging seat node shaft seats 5-3 are fixedly connected to the middle section of the single-arm beam 5-2 in parallel; the end part of the single-arm beam 5-2 is provided with a ball head 5-2-1;
the two T-shaped side beams and the cross beam integrated framework 5 are rotationally and symmetrically arranged according to a circumferential angle of 180 degrees, a ball head 5-2-1 at the end part of each single-arm cross beam 5-2 is embedded into a ball socket of a corresponding ball hinge bearing seat 5-1-5 on the other T-shaped side beam and the cross beam integrated framework 5, and the ball head 5-2-1 and the corresponding ball hinge bearing seat 5-1-5 form a ball hinge bearing mechanism together; the upper end of each clamp type axle box mechanism 3 is fixedly connected below the end part of the upper layer side beam 5-1-2 of one-to-one corresponding hinge axle hole or the end part of the upper layer side beam 5-1-3 of one-to-one corresponding hinge axle rod through the elastic rubber piles 3-3 thereof.
The motor suspension mechanism 6 comprises a rectangular motor suspension seat frame 6-1 and two suspension seat end hole plates 6-2 which are symmetrically and fixedly connected to the front end and the rear end of the rectangular motor suspension seat frame; the center of the motor hanging seat frame 6-1 is provided with a hanging seat central shaft hole 6-1-1 which is used for being connected with the lower end shaft of the swing bolster rotating shaft 8-1; four corners of the motor hanging seat frame 6-1 are provided with a motor hanging seat node hole 6-1-2; each motor hanging seat node hole 6-1-2 is coaxially and fixedly connected with one motor hanging seat node shaft seat 5-3 which corresponds to each other one by one through a rubber node 7; a motor suspension node hole 6-2-2 and a rotating arm beam butt joint shaft hole 6-2-1 are arranged on the longitudinal center line of the upper end face of the end hole plate 6-2, and the plane where the axes of the motor suspension node hole 6-2-2 and the rotating arm beam butt joint shaft hole are located passes through the axis of the central shaft hole 6-1-1 of the hanging seat; the center of the upper end surface of the tumbler beam 4 is provided with a vertical tumbler node through hole 4-1, and each tumbler beam butt-joint shaft hole 6-2-1 is coaxially and fixedly connected with one tumbler node through hole 4-1 in one-to-one correspondence through a rubber node 7.
When the framework of the invention is applied specifically, the linear induction motor adopts an XY19364 type linear induction motor produced by Harbin Thaifu factory, and the rubber node adopts an SRIT631 type rubber node product produced by Qingdao tetragonal vehicle research institute. The spherical hinge bearing formed by the spherical hinge bearing seat and the ball head adopts an SRIT632 rubber node product produced by Qingdao Square vehicle research institute. Two induction motor node seat holes are formed in the longitudinal center line of the upper end face of the linear induction motor, so that each induction motor node seat hole is coaxially and fixedly connected with one corresponding motor suspension node hole through one rubber node. A swing bolster rotating shaft is arranged below the center of the old bolster, and two sides of the swing bolster rotating shaft are respectively welded with a corner connecting rod shaft seat so as to be used for rotatably connecting corner driving connecting rods corresponding to each other one by one.
Claims (6)
1. A bogie frame suitable for a linear induction motor, characterized in that: the framework includes: the device comprises a hinged framework mechanism, a traction and corner driving mechanism, a motor suspension mechanism (6) and a plurality of rubber nodes (7), wherein the motor suspension mechanism (6) is suspended at the lower part of the hinged framework mechanism through the rubber nodes; the center of the motor suspension mechanism (6) is provided with a central shaft hole (6-1-1) of a suspension seat, which is used for being rotationally connected with a swing bolster rotating shaft (8-1); the upper ends of the four corners of the traction and corner driving mechanism are respectively fixedly connected below the four corners of the articulated framework mechanism, and the traction and corner driving mechanism comprises two link mechanisms which are parallel to each other and are respectively and symmetrically axially connected to the opposite inner side walls of the middle section of the articulated framework mechanism; the lower ends of four corners of the traction and corner driving mechanism are respectively connected with an axle on the wheel set mechanism in a rotating way through a corresponding axle box; the motor suspension mechanism (6) is used for fixing the linear induction motor (9) below the motor suspension mechanism through a plurality of rubber nodes (7).
2. A bogie frame for a linear induction motor as defined in claim 1 wherein: the traction and corner driving mechanism comprises two corner driving connecting rod mechanisms (2), two rotating arm crossbeams (4) and four clamp type axle box mechanisms (3), the two corner driving connecting rod mechanisms (2) are parallel to each other, the two rotating arm crossbeams (4) are also parallel to each other, the two ends of each corner driving connecting rod mechanism (2) are respectively and elastically connected with the end parts on the same side of the two rotating arm crossbeams (4) through connecting rod rubber nodes (2-4), and the four corner driving connecting rod mechanisms form a parallelogram frame together; two ends of each rotating arm beam (4) are fixedly connected with a clamp type axle box mechanism (3) respectively; the four clamp type axle box mechanisms (3) are positioned outside four top corners of the parallelogram frame, and the rotation axis of the bearing in each clamp type axle box mechanism (3) is parallel to the length direction of the rotating arm beam (4); the top end of the outer diameter side wall of the clamp type axle box mechanism (3) is provided with a horizontal elastic rubber pile (3-3).
3. A bogie frame for a linear induction motor as defined in claim 2 wherein: the corner driving connecting rod mechanism (2) comprises two cantilever rods (2-1), a four-hole vertical shaft seat (2-2), a corner driving connecting rod (2-3) and four connecting rod rubber nodes (2-4), four shaft holes which are axially parallel are sequentially formed in the side wall of the four-hole vertical shaft seat (2-2), wherein the vertical shaft seat rotating core shaft hole (2-2-1) is formed in the middle section of the four-hole vertical shaft seat (2-2), and the two cantilever rod shaft holes (2-2-2) are symmetrically formed above and below the vertical shaft seat rotating core shaft hole (2-2-1); one end of each cantilever rod (2-1) is fixedly connected with one corresponding cantilever rod shaft hole (2-2-2) through one corresponding connecting rod rubber node (2-4); the swing bolster connecting rod shaft hole (2-2-3) is formed in the top end of the four-hole vertical shaft seat (2-2), and one end of the corner driving connecting rod (2-3) is in shaft connection with the swing bolster connecting rod shaft hole (2-2-3); the other end of the corner driving connecting rod (2-3) is connected with a corner connecting rod shaft seat (8-3) at the bottom of the swing bolster by a shaft; the other end of each cantilever rod (2-1) is fixedly connected with a corresponding beam cantilever rod shaft seat (4-2) at the bottom of the two ends of the rotating arm beam (4) through a corresponding connecting rod rubber node (2-4).
4. A bogie frame for a linear induction motor as defined in claim 2 wherein: the articulated framework mechanism comprises two T-shaped side beams and a cross beam integrated framework (5) which are articulated with each other, the main structure of the T-shaped side beams and the cross beam integrated framework (5) is formed by vertically and fixedly connecting a single-arm side beam (5-1) and a single-arm cross beam (5-2), and the single-arm side beam (5-1) comprises an integrally formed horizontal lower-layer middle-section side beam (5-1-1), a hinge shaft hole upper-layer side beam (5-1-2), a hinge shaft rod upper-layer side beam (5-1-3), two wing-shaped connecting sections (5-1-4) and a spherical hinge bearing seat (5-1-5); the hinge shaft hole upper layer side beam (5-1-2) and the hinge shaft rod upper layer side beam (5-1-3) are collinear with each other and are parallel to the lower layer middle section side beam (5-1-1), and two ends of the lower layer middle section side beam (5-1-1) are respectively connected with the wing-shaped connecting sections (5-1-4) which are in one-to-one correspondence; the other ends of the two wing-shaped connecting sections (5-1-4) are connected with the upper side beam (5-1-2) of the hinge shaft hole, and the other end of the other wing-shaped connecting section (5-1-4) is connected with the upper side beam (5-1-2) of the hinge shaft hole;
the center of the inner side wall of the lower middle section side beam (5-1-1) is fixedly connected with a vertical shaft seat rotating mandrel (5-4), and each four-hole vertical shaft seat (2-2) is rotatably connected with one vertical shaft seat rotating mandrel (5-4) in one-to-one correspondence through a vertical shaft seat rotating mandrel hole (2-2-1);
the root of the single-arm cross beam (5-2) is vertically and fixedly connected with the end surface of the inner side wall of the junction part of the upper layer side beam (5-1-3) of the hinge shaft rod and the corresponding wing-shaped connecting section (5-1-4) of the hinge shaft rod; the spherical hinge shaft seat (5-1-5) is fixedly connected in a shaft seat hole (5-1-4-1) formed in the inner side wall of the junction part of the upper layer side beam (5-1-2) of the hinge shaft hole and the corresponding wing-shaped connecting section (5-1-4); two motor hanging seat node shaft seats (5-3) are fixedly connected to the middle section of the single-arm beam (5-2) in parallel; the end part of the single-arm beam (5-2) is provided with a ball head (5-2-1).
5. The bogie frame for a linear induction motor according to claim 4, wherein: the two T-shaped side beams and the crossbeam integrated framework (5) are rotationally and symmetrically arranged according to a circumferential angle of 180 degrees, a ball head (5-2-1) at the end part of each single-arm crossbeam (5-2) is embedded into a ball socket of a corresponding ball hinge bearing seat (5-1-5) on the other T-shaped side beam and the crossbeam integrated framework (5), and the ball head (5-2-1) and the corresponding ball hinge bearing seat (5-1-5) form a ball hinge bearing mechanism together; the upper end of each clamp type axle box mechanism (3) is fixedly connected below the end part of the upper layer side beam (5-1-2) of one-to-one corresponding hinge axle hole or the end part of the upper layer side beam (5-1-3) of one-to-one corresponding hinge axle rod through the elastic rubber piles (3-3).
6. A bogie frame for a linear induction motor as claimed in claim 4 or 5, wherein: the motor suspension mechanism (6) comprises a rectangular motor suspension seat frame (6-1) and two suspension seat end hole plates (6-2) which are symmetrically and fixedly connected to the front end and the rear end of the rectangular motor suspension seat frame; the center of the motor hanging seat frame (6-1) is provided with a hanging seat central shaft hole (6-1-1) which is used for being connected with the lower end shaft of the swing bolster rotating shaft (8-1); four corners of the motor hanging seat frame (6-1) are provided with a motor hanging seat node hole (6-1-2); each motor hanging seat node hole (6-1-2) is coaxially and fixedly connected with one motor hanging seat node shaft seat (5-3) which corresponds to each other one by one through a rubber node (7); a motor suspension node hole (6-2-2) and a tumbler beam butt joint shaft hole (6-2-1) are arranged on the longitudinal center line of the upper end face of the end hole plate (6-2), and the planes of the axes of the motor suspension node hole and the tumbler beam butt joint shaft hole pass through the axis of the central shaft hole (6-1-1) of the hanging seat; vertical tumbler node through holes (4-1) are formed in the centers of the upper end faces of the tumbler beams (4), and each tumbler beam butt-joint shaft hole (6-2-1) is coaxially and fixedly connected with one corresponding tumbler node through hole (4-1) through one rubber node (7).
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| CN202111367346.1A CN113895473B (en) | 2021-11-18 | 2021-11-18 | Bogie frame suitable for linear induction motor |
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|---|---|---|---|
| CN202111367346.1A CN113895473B (en) | 2021-11-18 | 2021-11-18 | Bogie frame suitable for linear induction motor |
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| CN113895473B CN113895473B (en) | 2022-08-26 |
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| CN113895473B (en) | 2022-08-26 |
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