CN113200058A - Suspension type single-axle bogie and suspension type single-rail working vehicle - Google Patents
Suspension type single-axle bogie and suspension type single-rail working vehicle Download PDFInfo
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- CN113200058A CN113200058A CN202110691327.8A CN202110691327A CN113200058A CN 113200058 A CN113200058 A CN 113200058A CN 202110691327 A CN202110691327 A CN 202110691327A CN 113200058 A CN113200058 A CN 113200058A
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- beam structure
- walking
- wheel
- bogie
- suspension type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B3/00—Elevated railway systems with suspended vehicles
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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
- B61F13/00—Rail vehicles characterised by wheel arrangements, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/22—Guiding of the vehicle underframes with respect to the bogies
- B61F5/24—Means for damping or minimising the canting, skewing, pitching, or plunging movements of the underframes
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- 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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Abstract
The invention belongs to the technical field of suspension type rail transit, in particular to a suspension type single-axle bogie and a suspension type single-rail operation vehicle, aiming at solving the problem that the double-axle bogie in the prior art can not adapt to a small radius curve, the suspension type single-axle bogie comprises a body structural member, a traveling wheel device, a guide wheel component, a stabilizing wheel component and an anti-tilting system, wherein, the stabilizer blade subassembly, including two sets of stable wheelsets along walking direction symmetric distribution, it includes the stabilizer blade that two are along walking wheel axial symmetry set up to stabilize the wheelset, interval between two stabilizer blades in the stable wheelset is greater than the diameter of walking wheel, the stabilizer blade sets up in track roof beam walking board below, the axis of stabilizer blade and the axis parallel arrangement of walking wheel, the suspension type unipolar bogie of this application has reduced the vertical interval of bogie, can effectively promote the bogie turn to and the guide ability when little radius curve.
Description
Technical Field
The invention belongs to the technical field of suspension type rail transit, and particularly relates to a suspension type single-axle bogie and a suspension type single-rail operation vehicle.
Background
The suspension type traffic system is a track traffic system with small floor area and high space utilization rate. The suspension type traffic system mainly has the advantages of good compatibility, high safety, high integration, convenient construction, flexible line, small occupied area, less removal, environmental protection, low noise, short construction period, low manufacturing cost and the like, and the suspension type traffic system has many advantages, so the suspension type traffic system has attracted attention and attention of domestic urban constructors.
Most of existing suspension type monorail vehicles adopt a two-axle bogie mode, and the longitudinal distance between a front guide wheel and a rear guide wheel is inevitably too long, so that the passing capacity of small-radius curves of the monorail vehicles is not facilitated. Therefore, a brand-new single-axle bogie for a suspended monorail vehicle is urgently developed, the traditional design concept is broken through, and the steering and guiding capacity of the bogie is improved when a small-radius curve is improved.
Disclosure of Invention
In order to solve the above-mentioned problems in the prior art, i.e. to solve the problem that the double-axle bogie in the prior art cannot adapt to a small radius curve, the first aspect of the present application provides a suspension type single-axle bogie, a body structural member,
the walking wheel device is connected with the body structural part and comprises a pair of walking wheels which are transversely arranged, and the walking wheels can rotate to drive the suspension type single-shaft bogie to walk along the track beam;
the guide wheel assembly comprises two guide wheel sets which are symmetrically distributed along the walking direction, each guide wheel set comprises a plurality of guide wheels which are uniformly distributed along one side of the body structural member, the axis of each guide wheel is orthogonal to the axis of each walking wheel, and the guide wheels can roll along the side wall of the track beam;
the stabilizing wheel assembly comprises two groups of stabilizing wheel sets which are symmetrically distributed along the walking direction, each stabilizing wheel set comprises two stabilizing wheels which are symmetrically arranged along the axial direction of the walking wheel, the distance between the two stabilizing wheels in each stabilizing wheel set is larger than the diameter of the walking wheel, the stabilizing wheels are arranged below the track beam walking plate, and the axes of the stabilizing wheels are parallel to the axes of the walking wheels;
and the anti-tilting system is arranged at the bottom of the structural member of the body and is used for improving the running stability of the suspension type single-shaft bogie.
In some preferred technical solutions, the body structural member includes a first frame assembly, a second frame assembly and a third frame assembly which are connected in sequence, the first frame assembly includes a first beam structure, a second beam structure and a third beam structure which are connected in sequence, the second beam structure is horizontally arranged above the first beam structure and the third beam structure, the first beam structure includes two beam bodies arranged at an obtuse angle, and the third beam structure is an axisymmetric structure of the first beam structure along a vertical direction; the obtuse angles of the first beam structure and the third beam structure are arranged to deviate from each other, the second beam structure is provided with an extending end extending to the outside of the connecting end of the first beam structure and the third beam structure, and the first beam structure, the second beam structure and the third beam structure form a pi-shaped structure;
the second framework assembly comprises a fourth beam structure, a fifth beam structure, a sixth beam structure and stabilizing wheel mounting frames which are sequentially connected, the sixth beam structure is vertically arranged, the fourth beam structure and the fifth beam structure are connected with the upper end of the sixth beam structure and are symmetrically arranged along the axial direction of the sixth beam structure, the fourth beam structure, the fifth beam structure and the sixth beam structure form a Y-shaped structure, the stabilizing wheel mounting frames are mounted below the fourth beam structure and the fifth beam structure, the stabilizing wheel mounting frames are plate-shaped structures and used for fixing the stabilizing wheels, and the two stabilizing wheel mounting frames are symmetrically arranged along the axial direction of the sixth beam structure;
the first beam structure, the second beam structure, the third beam structure, the fourth beam structure and the fifth beam structure jointly form an accommodating space, and the accommodating space is used for accommodating the walking wheel device;
the third frame assembly comprises a seventh beam structure arranged along the horizontal direction, and the length direction of the seventh beam structure is orthogonal to the length direction of the first frame assembly.
In some preferred technical solutions, a middle section of the accommodating space perpendicular to the axial direction of the road wheel is a pentagon.
In some preferred embodiments, the first frame component, the second frame component and the third frame component are integrally formed.
In some preferred embodiments, the anti-sway system comprises an air spring assembly and a longitudinal beam;
the air spring assembly comprises two air springs which are vertically arranged at the end part of the seventh beam structure respectively, a longitudinal beam of a U-shaped structure is arranged above the air springs, the open end of the longitudinal beam faces the air springs, and the seventh beam structure is connected with the vehicle body through the longitudinal beam.
In some preferred technical solutions, the anti-sway system further comprises a tie rod assembly and an anti-sway assembly;
the traction rod component comprises a traction rod, one end of the traction rod is arranged in the middle of the seventh beam structure, the other end of the traction rod is connected with the vehicle body, and the traction rod is used for transmitting longitudinal traction force between the suspension type single-shaft bogie and the vehicle body; the anti-roll bar component comprises two anti-roll bars symmetrically arranged along the walking direction, each anti-roll bar comprises a U-shaped portion horizontally arranged, two ends of each U-shaped portion are respectively hinged with a connecting portion vertically arranged, the middle section of each U-shaped portion is fixed at two ends of the bottom of the seventh beam structure in the width direction through two fixing portions, and the upper end portions of the connecting portions are parallel and level with the air springs and are connected with the longitudinal beams.
In some preferred technical solutions, the distance between the two anti-roll bars is smaller than the distance between the two air springs.
In some preferred technical solutions, the anti-sway system further includes two symmetrically arranged transverse dampers, a transverse damper mounting seat is further disposed in the middle of the longitudinal beam, one end of each of the two transverse dampers is mounted on the transverse damper mounting seat, the other end of each of the two transverse dampers is connected with the seventh beam structure, the transverse dampers are obliquely arranged, and the two symmetrically arranged transverse dampers form an inverted-splayed structure.
In some preferred technical solutions, the anti-sway system further includes longitudinal vibration dampers, and the two longitudinal vibration dampers are respectively vertically and fixedly mounted at two ends of the longitudinal beam, and are used for providing a vertical damping force.
In some preferred technical schemes, the walking wheel device comprises a traction braking mechanism, wherein the traction braking mechanism comprises a traction motor, a gear box, a coupling, a brake disc and a braking unit;
the traction motor is connected with the gear box through the coupler, two output ends of the gear box are respectively connected with the two travelling wheels, and the traction motor provides power for the gear box to drive the travelling wheels to travel;
the utility model provides a suspension type monorail operation car is provided in the second aspect of this application, including any one of above-mentioned technical scheme suspension type unipolar bogie and automobile body, suspension type unipolar bogie with car body coupling.
The suspension type single-axle bogie adopts a single-axle structural form, and solves the problem of stability during driving and braking of the traditional single-axle bogie by transmitting and balancing longitudinal force between the bogie and a vehicle body through the anti-tilting system. By adopting the structure of the single-shaft bogie, the longitudinal distance between the front guide wheel, the rear guide wheel and the stabilizing wheels is only half of that of the traditional suspension type monorail vehicle, and the steering and guiding capability of the bogie in the small-radius curve is facilitated. In addition, set up the stabilizer wheel in the below of track roof beam walking board, the stabilizer wheel constitutes the triangle-shaped structure with the walking wheel, can strengthen and can also provide the direction when the stability that balanced bogie traveles to the walking wheel is located track roof beam synchronous rotation from top to bottom with the stabilizer wheel respectively, can increase frictional force between this application bogie and the track roof beam, improves climbing ability. In addition, the vertical running stability of the vehicle system is improved by utilizing the vertical characteristic of the air spring; simultaneously, damping force is increased through the first shock absorber and the second shock absorber to limit the side rolling angle, the stability of the bogie in operation is guaranteed, and the comfort level of passengers is improved. Furthermore, the anti-roll bar can be twisted when the train swings back and forth to provide moment for returning to the original position, so that the train body is assisted to return to the original position, and the safety and the comfort of the train during running are improved.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a front view of an overall construction of a suspended single axle bogie according to one embodiment of the present invention;
FIG. 2 is a side view of a suspended single axle bogie according to a first embodiment of the present invention;
FIG. 3 is a side view of a suspended single axle bogie according to a second embodiment of the invention;
FIG. 4 is a three-dimensional schematic view of a suspended single axle bogie according to a second embodiment of the present invention;
FIG. 5 is a schematic view of a longitudinal beam according to an embodiment of the present invention;
list of reference numerals:
100-a body structure; 110-a first frame assembly, 120-a second frame assembly, 123-a limiting part; 130-a third frame assembly, 131-an elastic stop, 132-a suspension shaft, 133-a seventh beam structure; 140-accommodation space, 150-travelling wheels, 160-stabilizing wheels, 170-guide wheels; 200-longitudinal beam; 300-an air spring; 400-anti-roll bar; 500-pulling the pull rod; 600-transverse shock absorber; 700-traction braking mechanism.
Detailed Description
In order to make the embodiments, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
The invention relates to a suspension type single-shaft bogie, which comprises a body structural part,
the walking wheel device is connected with the body structural part and comprises walking wheels, and the walking wheels can rotate to drive the suspension type single-shaft bogie to walk along the track beam;
the guide wheel assembly comprises two guide wheel sets which are symmetrically distributed along the walking direction, each guide wheel set comprises a plurality of guide wheels which are uniformly distributed along one side of the body structural member, the axis of each guide wheel is orthogonal to the axis of each walking wheel, and the guide wheels can roll along the side wall of the track beam;
the stabilizing wheel assembly comprises two groups of stabilizing wheel sets which are symmetrically distributed along the walking direction, each stabilizing wheel set comprises two stabilizing wheels which are symmetrically arranged along the axial direction of the walking wheel, the distance between the two stabilizing wheels in each stabilizing wheel set is larger than the diameter of the walking wheel, the stabilizing wheels are arranged below the track beam walking plate, and the axes of the stabilizing wheels are parallel to the axes of the walking wheels;
and the anti-tilting system is arranged at the bottom of the structural member of the body and is used for improving the running stability of the suspension type single-shaft bogie.
For a clearer explanation of the suspended single-axle bogie of the present invention, a preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
As a preferred embodiment of the present invention, a suspended single axle bogie of the present invention is shown in fig. 1, comprising a body structure 100,
and the traveling wheel device is connected with the body structural member 100 and comprises a pair of traveling wheels 150 which are transversely arranged, and the traveling wheels 150 can rotate to drive the suspension type single-shaft bogie to travel along the track beam.
The guide wheel assembly comprises two guide wheel sets which are symmetrically distributed along the walking direction, each guide wheel set comprises a plurality of guide wheels 170 which are uniformly distributed along one side of the body structural member 100, the axis of each guide wheel 170 is orthogonal to the axis of each walking wheel 150, and the guide wheels 170 can roll along the side wall of the track beam;
the stable wheel assembly comprises two groups of stable wheel sets which are symmetrically distributed along the walking direction, each stable wheel set comprises two stable wheels 160 which are symmetrically arranged along the axial direction of the walking wheel 150, the distance between the two stable wheels 160 in each stable wheel set is larger than the diameter of the walking wheel 150, the stable wheels 160 are arranged below the track beam walking plate, and the axes of the stable wheels 160 are parallel to the axes of the walking wheels 150; preferably, the stabilizing wheels 160 arranged on the same side and the road wheels 150 arranged on the same side form a triangular structure, so that the driving stability of the bogie can be enhanced and balanced.
The anti-tilting system is arranged at the bottom of the body structural member 100 and used for improving the running stability of the suspension type single-shaft bogie.
Specifically, the body structure member 100 of the present application includes a first frame assembly 110, a second frame assembly 120, and a third frame assembly 130 that are connected in sequence, where the first frame assembly 110 includes a first beam structure, a second beam structure, and a third beam structure that are connected in sequence, the second beam structure is horizontally disposed above the first beam structure and the third beam structure, the first beam structure includes two beam bodies that are arranged at an obtuse angle, and the third beam structure is an axisymmetric structure of the first beam structure along a vertical direction; the obtuse angles of the first beam structure and the third beam structure are deviated from each other, the second beam structure is provided with an extending end extending to the outside of the connecting end of the first beam structure and the third beam structure, and the first beam structure, the second beam structure and the third beam structure form a pi-shaped structure. Further, the extending ends of the first and third beam structures are used for mounting the guide wheels 170, and the guide wheels 170 are mounted on one side near the track beam running plate, and preferably, the guide wheels 170 may be spaced in the thickness direction of the first and third connecting bars. Preferably, the present application includes eight guide wheels in total, that is, each guide wheel group includes four guide wheels 170, two of the four guide wheels 170 are spaced and arranged in parallel at the extending end of the first beam structure, and two are spaced and arranged in parallel at the extending end of the third beam structure.
The first beam structure, the second beam structure, the third beam structure, the fourth beam structure and the fifth beam structure jointly form an accommodating space 140, and the accommodating space 140 is used for accommodating the walking wheel device; the middle section of the accommodating space 140 perpendicular to the axial direction of the road wheel 150 is pentagonal. In other preferred embodiments, the first beam structure and the third beam structure are both hollow structures, and the first beam structure or the third beam structure is provided with a motor mounting seat for fixing the traction power device 700 of the bogie road wheel 150, and the traction power device 700 of the present application is mounted on the motor mounting seat through an elastic node to reduce the loss of shock absorption to internal elements of the traction power device 700.
The third frame assembly 130 includes a seventh beam structure 133 disposed in a horizontal direction, a length direction of which is orthogonal to a length direction of the first frame assembly 110, and a connection rod vertically disposed above a middle portion of the seventh beam structure 133. The seventh beam structure is a suspension beam connected to the vehicle body. That is, the length direction of the seventh beam structure is the same as the width direction of the vehicle body.
Preferably, the first frame assembly 110, the second frame assembly 120 and the third frame assembly 130 are integrally formed, or the first frame assembly 110 is fixedly connected with the second frame assembly 120, and the third frame assembly 130 is hinged with the second frame assembly 120.
Referring to fig. 2, fig. 2 illustrates the first embodiment of the present application, namely, the second frame component 120 is fixedly connected to the third frame component 130. In the preferred embodiment, the first framework assembly, the second framework assembly and the third framework assembly are fixedly connected and have simple structures, the transverse size is greatly reduced, the adaptability of curve passing capacity is effectively improved, the steering and guiding capacity of the bogie in the process of small-radius curves is facilitated, and the cost is lower.
Referring to FIG. 3, FIG. 3 illustrates a second embodiment of the present application, namely, the second frame element 120 is hinged to the third frame element 130. In the preferred embodiment, the third frame assembly 130 is hinged to the second frame assembly 120 by a suspension shaft 132, i.e., the third frame assembly is able to rotate about the suspension shaft 132. Furthermore, the lower end of the second frame assembly 120 is provided with two symmetrically arranged limiting parts 123, and the upper end of the third frame assembly 130, i.e. the upper end of the third connecting rod, is correspondingly provided with an elastic stopping part 131 matched with the limiting parts 123; when the third frame assembly 130 rotates to the limit position around the hinged end of the third frame assembly 130 and the second frame assembly 120, the limiting portion 123 contacts the elastic stopping portion 131 to limit the third frame assembly 130. Referring to fig. 2 and 3, in the present application, two symmetrically disposed limiting portions 123 form a splayed structure, an elastic stopping portion 131 is matched with the limiting portions 123, and a plurality of elastic elements are disposed on an end surface of the elastic stopping portion 131 close to the limiting portions 123 and uniformly disposed along the end surface. More preferably, because the appearance of the vertical connecting rod is the slope setting, therefore, this application sets up anti yaw shock absorber in the both sides of vertical connecting rod, can play the sideslip motion that restraines third frame subassembly 130 to limit the sideslip angle through setting up spacing portion, guarantee the stationarity of bogie operation, increase passenger's comfort level.
Furthermore, the bogie of the present application further comprises an anti-tilting system, wherein the anti-tilting system comprises an air spring assembly and a longitudinal beam, the air spring assembly comprises two air springs 300 vertically mounted at the end of the seventh beam structure, respectively, a U-shaped longitudinal beam 200 is disposed above the air springs 300, the open end of the longitudinal beam 200 faces the air springs 300, and the seventh beam structure 133 is connected to the bogie body through the longitudinal beam 200.
Referring to fig. 4, the anti-sway system further includes a traction rod assembly and an anti-sway assembly, the traction rod assembly includes a traction rod 500, one end of the traction rod 500 is installed in the middle of the seventh beam structure 133 and hinged to the seventh beam structure 133, and the other end is hinged to the vehicle body, and is used for transmitting and balancing the longitudinal traction force between the suspension type single-axle bogie and the vehicle body.
The anti-roll bar assembly comprises two anti-roll bars 400 symmetrically arranged along the walking direction, each anti-roll bar 400 comprises a U-shaped portion arranged horizontally, two ends of each U-shaped portion are respectively hinged with a connecting portion arranged vertically, the middle section of each U-shaped portion is fixed at two ends of the width direction of the bottom of the seventh beam structure 133 through two fixing portions, the upper end portions of the connecting portions are parallel and level with the air springs 300 and are connected with the longitudinal beam 200, and the distance between the two anti-roll bars 400 is smaller than the distance between the two air springs 300. The utility model provides a when the sway back and forth can appear in the vehicle, when the one-on-one motion appears in the connecting portion at both ends, middle U-shaped portion will produce and twist reverse, twists reverse the moment that can provide and reply the primary importance, and then effectively supplementary lets the automobile body reply the primary importance, improves security and the travelling comfort of train when going.
Furthermore, the anti-tilt system further comprises two transverse shock absorbers 600 which are symmetrically arranged, the middle part of the longitudinal beam 200 is further provided with a transverse shock absorber mounting seat, one end of each of the two transverse shock absorbers 600 is hinged to the transverse shock absorber mounting seat, the other end of each of the two transverse shock absorbers 600 is hinged to the seventh beam structure 133, the transverse shock absorbers 600 are obliquely arranged, and the two transverse shock absorbers 600 which are symmetrically arranged form an inverted-V-shaped structure. The transverse shock absorber 600 is used for increasing damping effect in the process of swinging and returning to the original position, so that riding experience of passengers is enhanced, and the passengers are more comfortable.
Specifically, referring to fig. 5, the longitudinal beam 200 of the present application is an axisymmetric structure, and includes two first fixing portions 210 symmetrically disposed along a length direction, two second fixing portions 220 symmetrically disposed along the length direction, and a third fixing portion 230 and a fourth fixing portion 240 disposed at a middle portion of the longitudinal beam 200, wherein the first fixing portions 210 are used for fixing a vehicle body, the second fixing portions 220 are used for fixing an upper end portion of the sway bar 400, the third fixing portions 230 are used for fixing an upper end portion of the transverse damper 600, and the fourth fixing portions 240 are used for fixing an upper end portion of the air spring 300. More preferably, the anti-sway system of the present application further comprises longitudinal shock absorbers, wherein the longitudinal shock absorbers are vertically and fixedly mounted at both ends of the longitudinal beam 200 for providing a vertical damping force.
When the second and third frame assemblies 120 and 130 are articulated, the anti-yaw system further includes an anti-yaw damper that is angularly disposed below the articulated end of the third frame assembly 130 and the second frame assembly 120 for damping roll movement of the third frame assembly 130. Particularly, two anti yaw shock absorbers set up in third framework subassembly 130's connecting rod both sides along the walking direction symmetry promptly, can play the side roll motion that restraines third framework subassembly 130, and this application still restricts the side roll angle through setting up spacing portion, and the stationarity when guaranteeing the bogie operation increases passenger's comfort level.
The walking wheel device comprises a traction braking mechanism, wherein the traction braking mechanism comprises a traction motor, a gear box, a coupler, a brake disc and a braking unit; the traction motor is connected with the gear box through a coupler, two output ends of the gear box are respectively connected with the two walking wheels, and the traction motor provides power for the gear box so as to drive the walking wheels to walk.
A second aspect of the present application provides a suspended monorail vehicle comprising a suspended single-axle bogie as described in any one of the above embodiments and a vehicle body, the suspended single-axle bogie being connected to the vehicle body. It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working process and related descriptions of the system described above may refer to the corresponding process in the foregoing embodiments, and are not described herein again.
In the technical solution in the embodiment of the present application, at least the following technical effects and advantages are provided:
the suspension type single-axle bogie adopts a single-axle structural form, and solves the problem of stability during driving and braking of the traditional single-axle bogie by transmitting and balancing longitudinal force between the bogie and a vehicle body through the anti-tilting system. By adopting the structure of the single-shaft bogie, the longitudinal distance between the front guide wheel, the rear guide wheel and the stabilizing wheels is only half of that of the traditional suspension type monorail vehicle, and the steering and guiding capability of the bogie in the small-radius curve is facilitated. In addition, set up the stabilizer wheel in the below of track roof beam walking board, the stabilizer wheel constitutes the triangle-shaped structure with the walking wheel, can strengthen and can also provide the direction when the stability that balanced bogie traveles to stabilizer wheel and walking wheel synchronous rotation increase frictional force between this application bogie and the track roof beam, improve climbing ability. In addition, the vertical running stability of the vehicle system is improved by utilizing the vertical characteristic of the air spring; simultaneously, damping force is increased through the first shock absorber and the second shock absorber to limit the side rolling angle, the stability of the bogie in operation is guaranteed, and the comfort level of passengers is improved. Furthermore, the anti-roll bar can be twisted when the train swings back and forth to provide moment for returning to the original position, so that the train body is assisted to return to the original position, and the safety and the comfort of the train during running are improved.
It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (10)
1. A suspended single-axle bogie is characterized by comprising
A structural member of the body,
the walking wheel device is connected with the body structural part and comprises a pair of walking wheels which are transversely arranged, and the walking wheels can rotate to drive the suspension type single-shaft bogie to walk along the track beam;
the guide wheel assembly comprises two guide wheel sets which are symmetrically distributed along the walking direction, each guide wheel set comprises a plurality of guide wheels which are uniformly distributed along one side of the body structural member, the axis of each guide wheel is orthogonal to the axis of each walking wheel, and the guide wheels can roll along the side wall of the track beam;
the stabilizing wheel assembly comprises two groups of stabilizing wheel sets which are symmetrically distributed along the walking direction, each stabilizing wheel set comprises two stabilizing wheels which are symmetrically arranged along the axial direction of the walking wheel, the distance between the two stabilizing wheels in each stabilizing wheel set is larger than the diameter of the walking wheel, the stabilizing wheels are arranged below the track beam walking plate, and the axes of the stabilizing wheels are parallel to the axes of the walking wheels;
and the anti-tilting system is arranged at the bottom of the structural member of the body and is used for improving the running stability of the suspension type single-shaft bogie.
2. The suspended single-axle bogie according to claim 1, wherein the body structure comprises a first frame component, a second frame component and a third frame component which are connected in sequence, the first frame component comprises a first beam structure, a second beam structure and a third beam structure which are connected in sequence, the second beam structure is horizontally arranged above the first beam structure and the third beam structure, the first beam structure comprises two beam bodies which are arranged at an obtuse angle, and the third beam structure is an axisymmetric structure of the first beam structure along the vertical direction; the obtuse angles of the first beam structure and the third beam structure are arranged to deviate from each other, the second beam structure is provided with an extending end extending to the outside of the connecting end of the first beam structure and the third beam structure, and the first beam structure, the second beam structure and the third beam structure form a pi-shaped structure;
the second framework assembly comprises a fourth beam structure, a fifth beam structure, a sixth beam structure and stabilizing wheel mounting frames which are sequentially connected, the sixth beam structure is vertically arranged, the fourth beam structure and the fifth beam structure are connected with the upper end of the sixth beam structure and are symmetrically arranged along the axial direction of the sixth beam structure, the fourth beam structure, the fifth beam structure and the sixth beam structure form a Y-shaped structure, the stabilizing wheel mounting frames are mounted below the fourth beam structure and the fifth beam structure, the stabilizing wheel mounting frames are plate-shaped structures and used for fixing the stabilizing wheels, and the two stabilizing wheel mounting frames are symmetrically arranged along the axial direction of the sixth beam structure;
the first beam structure, the second beam structure, the third beam structure, the fourth beam structure and the fifth beam structure jointly form an accommodating space, and the accommodating space is used for accommodating the walking wheel device;
the third frame assembly comprises a seventh beam structure arranged along the horizontal direction, and the length direction of the seventh beam structure is orthogonal to the length direction of the first frame assembly.
3. The suspended single-axle bogie according to claim 2, wherein the cross section of the accommodating space perpendicular to the axial direction of the road wheels is pentagonal.
4. The suspended single axle bogie of claim 2, wherein the first frame assembly, the second frame assembly and the third frame assembly are integrally formed.
5. The suspended single axle bogie of claim 2, wherein the anti-tip system comprises an air spring assembly and a longitudinal beam;
the air spring assembly comprises two air springs which are vertically arranged at the end part of the seventh beam structure respectively, a longitudinal beam of a U-shaped structure is arranged above the air springs, the open end of the longitudinal beam faces the air springs, and the seventh beam structure is connected with the vehicle body through the longitudinal beam.
6. The suspended single axle bogie according to claim 5, wherein the anti-tip system further comprises a tie rod assembly and an anti-tip rod assembly;
the traction rod component comprises a traction rod, one end of the traction rod is arranged in the middle of the seventh beam structure, the other end of the traction rod is connected with the vehicle body, and the traction rod is used for transmitting longitudinal traction force between the suspension type single-shaft bogie and the vehicle body; the anti-roll bar component comprises two anti-roll bars symmetrically arranged along the walking direction, each anti-roll bar comprises a U-shaped portion horizontally arranged, two ends of each U-shaped portion are respectively hinged with a connecting portion vertically arranged, the middle section of each U-shaped portion is fixed at two ends of the bottom of the seventh beam structure in the width direction through two fixing portions, and the upper end portions of the connecting portions are parallel and level with the air springs and are connected with the longitudinal beams.
7. The suspended single axle bogie of claim 6, wherein the spacing between two said anti roll bars is less than the spacing between two said air springs.
8. The suspended single-axle bogie according to claim 5, wherein the anti-sway system further comprises two symmetrically arranged transverse shock absorbers, the middle part of the longitudinal beam is further provided with a transverse shock absorber mounting seat, one end of each of the two transverse shock absorbers is mounted on the transverse shock absorber mounting seat, the other end of each of the two transverse shock absorbers is connected with the seventh beam structure, the transverse shock absorbers are obliquely arranged, and the two symmetrically arranged transverse shock absorbers form an inverted V-shaped structure.
9. The suspended single axle bogie according to claim 8, wherein the anti-tip-out system further comprises longitudinal vibration dampers, wherein two of the longitudinal vibration dampers are vertically fixedly mounted at both ends of the longitudinal beam, respectively, for providing vertical damping force.
10. A suspended monorail vehicle comprising a suspended single-axle bogie as defined in any one of claims 1 to 9 and a vehicle body, said suspended single-axle bogie being connected to said vehicle body.
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| CN202110691327.8A CN113200058B (en) | 2021-06-22 | 2021-06-22 | Suspension type single-axle bogie and suspension type single-rail working vehicle |
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| CN202110691327.8A CN113200058B (en) | 2021-06-22 | 2021-06-22 | Suspension type single-axle bogie and suspension type single-rail working vehicle |
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| CN113200058B CN113200058B (en) | 2022-04-19 |
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Cited By (1)
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| CN115230768A (en) * | 2022-08-26 | 2022-10-25 | 中车资阳机车有限公司 | Straddle type monorail engineering vehicle shaft holding frame device |
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|---|---|
| CN113200058B (en) | 2022-04-19 |
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