CN109131409B - Single-axle bogie of straddle type monorail vehicle suitable for inverted T-shaped track beam - Google Patents
Single-axle bogie of straddle type monorail vehicle suitable for inverted T-shaped track beam Download PDFInfo
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- CN109131409B CN109131409B CN201711350781.7A CN201711350781A CN109131409B CN 109131409 B CN109131409 B CN 109131409B CN 201711350781 A CN201711350781 A CN 201711350781A CN 109131409 B CN109131409 B CN 109131409B
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- inverted
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- wheels
- traction
- axle bogie
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- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000009467 reduction Effects 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
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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
- B61F3/00—Types of bogies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B13/00—Other railway systems
- B61B13/04—Monorail systems
- B61B13/06—Saddle or like balanced type
-
- 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
- B61F5/04—Bolster supports or mountings
- B61F5/10—Bolster supports or mountings incorporating fluid springs
-
- 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
Abstract
The invention relates to a single-axle bogie of a straddle type monorail vehicle, which is suitable for an inverted T-shaped track beam, wherein the inverted T-shaped track beam comprises a base and a central beam, the central beam is arranged on the base to form an inverted T-shaped structure, and the single-axle bogie comprises: the walking wheels are arranged on the base, are provided with a pair of walking wheels and are distributed on two sides of the central beam, and each walking wheel is connected with a driving mechanism; guide wheels running on two sides of the central beam; the framework is used for installing the travelling wheels and the guide wheels and straddles the inverted T-shaped track beam; the guide wheels are provided with four pairs, are symmetrically arranged on two sides of the central beam, the framework is also provided with a pair of air springs and traction pull rods, the air springs are arranged on the two pairs and are arranged above the side beams of the framework, the traction pull rods are arranged at the positions of the side beams of the framework, which are in contact with the vehicle body, one ends of the traction pull rods are connected with the framework, and the other ends of the traction pull rods are connected with the vehicle body. Compared with the prior art, the invention has the advantages of being suitable for the inverted T-shaped track beam, good in running stability and the like.
Description
Technical Field
The invention relates to the technical field of straddle type monorail vehicles, in particular to a single-axle bogie which is particularly suitable for an inverted T-shaped track beam straddle type monorail vehicle.
Background
The straddle type monorail transportation system has the advantages of strong adaptability to complex terrains, small land occupation, moderate transportation quantity and low cost, and becomes one of the preferred types of rail transportation in middle and small cities, mountain cities and geology complex cities. The straddle type monorail vehicle is mainly supported, guided and stabilized through a rail beam, the vehicle rides on the rail beam, and the gravity center of the vehicle body is arranged above the rail. The track beam of the straddle type monorail has simple structure, is both a bearing structure and a track structure, fully exerts the structural performance and has low maintenance workload.
At present, the track beams of the straddle type monorail used in China are all rectangular sections, and the rectangular section track beams have the advantages of being convenient to manufacture, and have the disadvantages of being large in height dimension of vehicles, large in limiting space required by the vehicles and large in tunnel section dimension. The inverted T-shaped track beam has the advantages of reducing the height of the vehicle, reducing the limiting space required by the vehicle and being suitable for the underground shield tunnel of the existing domestic subway vehicle. However, the existing bogies for monorail vehicles are not suitable for inverted T-shaped track beams.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the single-axle bogie of the straddle type single-rail vehicle, which is suitable for the inverted T-shaped track beam.
The aim of the invention can be achieved by the following technical scheme:
a straddle type monorail vehicle single-axle bogie suitable for an inverted T-shaped track beam, the inverted T-shaped track beam comprising a base and a central beam, the central beam disposed on the base to form an inverted T-shaped structure, the single-axle bogie comprising:
the walking wheels are arranged on the base in a pair and distributed on two sides of the central beam, and each walking wheel is connected with a driving mechanism;
guide wheels running on two sides of the central beam;
the framework is used for installing the running wheels and the guide wheels and straddles the inverted T-shaped track beam;
the guide wheels are provided with four pairs, the guide wheels are symmetrically arranged on two sides of the central beam, the framework is further provided with a pair of air springs and traction pull rods, the air springs are installed at the contact position of the framework and the vehicle body, the traction pull rods are provided with three, one ends of the traction pull rods are connected with the framework, and the other ends of the traction pull rods are connected with the vehicle body.
Further, the framework is in a shape of a Chinese character 'kou' and comprises two side beams and two cross beams, a pair of running wheels are symmetrically arranged on the two side beams, four pairs of guide wheels are symmetrically arranged on the two cross beams, a pair of air springs are symmetrically arranged on the two side beams, and three traction pull rods are connected to one cross beam of the framework.
Further, two pairs of guide wheels on the same cross beam are at different heights.
Further, three of the traction links are connected to the cross beam at different heights.
Further, among the three traction rods, the traction rods positioned in the center are different from the traction rods positioned at the two sides in installation height, and the traction rods positioned at the two sides are identical in installation height.
Further, the side beams and the cross beams are of closed hollow rectangular structures.
Further, a pair of auxiliary wheels are symmetrically arranged on the two cross beams of the framework, and the auxiliary wheels run on the upper surface of the central beam when the running wheels burst.
Further, the auxiliary wheel is a solid roller.
Further, the two driving mechanisms are arranged on two sides of the framework in a central symmetry mode, each driving mechanism comprises a driving motor, a reduction gear box and a brake disc, and the reduction gear boxes are respectively connected with the driving motor, the running wheels and the brake disc.
Further, the framework is also provided with a current-receiving shoe matched with the contact rail of the inverted T-shaped track beam.
Compared with the prior art, the invention has the following beneficial effects:
1. the travelling wheels, the guide wheels, the framework and the traction pull rod which are matched with the inverted T-shaped track beam are arranged, so that the inverted T-shaped track beam can be well adapted to;
2. the vertical and horizontal buffering is realized through the air spring, and the running stability is good;
3. the two pairs of guide wheels positioned on the same cross beam of the framework are at a certain distance in height, so that the anti-overturning capability of the vehicle is good;
4. the three traction pull rods are connected to the cross beam at different heights so as to inhibit nodding movement of the framework, and the vertical and transverse additional rigidity of the traction pull rods is low;
5. the driving motor adopts a frame suspension mode, is longitudinally arranged, and has a compact bogie structure;
6. the auxiliary wheels are arranged, when the running wheels are inflated, the auxiliary wheels are not contacted with the central upper surface of the track beam, and when the running wheels burst tires, the auxiliary wheels are contacted with the central upper surface of the track beam to play a role in emergency running;
7. by matching with the design of the vehicle body, the vehicle can adapt to the underground shield tunnel of the existing domestic subway vehicle.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a top view of the present invention in use;
FIG. 3 is a side cross-sectional view of the present invention;
FIG. 4 is a schematic diagram of the arrangement of the invention in a B-type subway shield tunnel;
fig. 5 is a layout of the present invention on a vehicle.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples. The present embodiment is implemented on the premise of the technical scheme of the present invention, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present invention is not limited to the following examples.
As shown in fig. 1 to 5, the present invention provides a single-axle bogie for a straddle type monorail vehicle suitable for an inverted T-shaped track beam, wherein the inverted T-shaped track beam 2 comprises a base and a central beam, the central beam is arranged on the base to form an inverted T-shaped structure, the single-axle bogie comprises a running wheel 3 running on the base, guide wheels 4 running on two sides of the central beam, and a framework 5 for installing the running wheel 3 and the guide wheels 4, and the framework 5 is further provided with an air spring 6 and a traction pull rod 7.
The frame 5 is in the shape of a space 'mouth' and comprises two side beams and two cross beams, and the two cross beams span the upper part of the inverted T-shaped track beam. The side beams and the cross beams are of closed hollow rectangular structures and are welded by steel plates.
The running wheels 3 are provided with a pair which are distributed on two sides of the central beam, and each running wheel 3 is connected with a driving mechanism. The running wheel 3 adopts high-pressure pneumatic rubber tires, is mounted on a hollow axle through a bearing, is fixedly connected to the inner side of a side beam of the framework through the hollow axle, and the running wheel 3 rotates without rotating the hollow axle.
The guide wheels 4 are provided with four pairs and are symmetrically arranged on two sides of the central beam. 8 guide wheels 4 are inflated with rubber tires and are symmetrically arranged on the two cross beams and are in a horizontal state to be matched with the side surfaces of the central beam. Two pairs of guide wheels 4 on the same beam are at different heights, and can provide anti-overturning capability.
The air springs 6 are provided in a pair, are mounted on the contact portion of the frame 5 and the vehicle body 1, and are mounted at the center of the side members of the frame 5. The air spring 6 adopts a film type air spring of a large curved bag, can simultaneously provide vertical and transverse elasticity, realizes buffering of vertical vibration and transverse vibration, and can generate larger horizontal deformation so as to adapt to the deflection between a vehicle body and a framework on a curve.
The traction pull rods 7 are three, one end of each traction pull rod 7 is connected with the framework 5 through a spherical rotating joint, and the other end of each traction pull rod 7 is connected with the vehicle body 1 through the spherical rotating joint. The traction links 7 can transmit longitudinal traction and braking forces between the vehicle body 1 and the frame 2. Three traction links 7 are connected at different heights of the cross beam to inhibit nodding movement of the frame. In this embodiment, the traction rods located in the center are different in installation height from the traction rods located at both sides, and the traction rods located at both sides are identical in installation height.
The two driving mechanisms are arranged outside two sides of the framework in a central symmetry mode, each driving mechanism comprises a driving motor 9, a reduction gear box 10 and a brake disc 11, and the reduction gear box 10 is respectively connected with the driving motor 9, the running wheels 3 and the brake disc 11. The output shaft of the driving motor 9 is connected to the input shaft of the reduction gearbox 10, the output shaft of the reduction gearbox 9 is connected with a half shaft, and the half shaft penetrates through the hollow axle and is connected with the hub of the running wheel 3 to drive the running wheel 3 to rotate. The brake disc 11 is arranged at the outer end of the input shaft of the reduction gearbox 9, the brake clamp and the brake cylinder are arranged on the framework 5, and the power source of the brake cylinder can be air or hydraulic.
A supporting seat for installing a driving motor 9 and a reduction gearbox 10 is arranged on a side beam of the framework 5; a mounting seat for mounting the guide wheel 4 is arranged on the inner side of the cross beam of the framework 5; the upper part of the middle part of the side beam of the framework 5 is provided with a mounting seat for mounting an air spring 6; mounting seats for mounting traction rods 7 are symmetrically arranged at the center of the outer side of one cross beam of the framework 5 and at the two ends of the outer side of the cross beam; a mounting seat for mounting the auxiliary wheel 8 is arranged at the center of the inner side of the beam of the framework 5.
In another embodiment of the invention, a pair of auxiliary wheels 8 are symmetrically arranged on the two cross beams of the framework 5, when the running wheels are inflated, the auxiliary wheels are not contacted with the central upper surface of the track beam, and when the running wheels burst, the auxiliary wheels are contacted with the central upper surface of the track beam, so that the emergency running function is realized. In this embodiment, the auxiliary wheel 8 is a solid roller, and is disposed in the center of the inner side of the cross beam of the frame 5.
In another embodiment of the invention, the frame 5 is also provided with a flow receiving shoe 12 which is matched with the contact rail of the inverted T-shaped track beam, and receives flow or reflux from the contact rail.
The invention also makes it possible to realise a straddle-type monorail vehicle suitable for an inverted T-shaped rail beam, on which two single-axle bogies as described above are arranged.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (7)
1. A straddle type monorail vehicle single-axle bogie suitable for an inverted-T track beam, the inverted-T track beam (2) comprising a base and a central beam, the central beam being disposed on the base to form an inverted-T structure, the single-axle bogie comprising:
the walking wheels (3) are arranged on the base in a walking way, the walking wheels (3) are provided with a pair and distributed on two sides of the central beam, and each walking wheel (3) is connected with a driving mechanism;
guide wheels (4) running on both sides of the central beam;
a framework (5) for mounting the running wheels (3) and the guide wheels (4), the framework (5) straddling the inverted T-shaped track beam (2);
the novel vehicle traction device is characterized in that four pairs of guide wheels (4) are symmetrically arranged on two sides of a central beam, an air spring (6) and traction pull rods (7) are further arranged on the framework (5), the air spring (6) is provided with one pair and is arranged at the contact position of the framework (5) and a vehicle body (1), three traction pull rods (7) are arranged, one end of each traction pull rod (7) is connected with the framework (5), and the other end of each traction pull rod is connected with the vehicle body (1);
the framework (5) is in a shape of a Chinese character 'kou' and comprises two side beams and two cross beams, a pair of walking wheels (3) are symmetrically arranged on the two side beams, four pairs of guide wheels (4) are symmetrically arranged on the two cross beams, a pair of air springs (6) are symmetrically arranged on the two side beams, three traction pull rods (7) are connected to one cross beam of the framework (5), and three traction pull rods (7) are connected to different heights of the cross beam;
two pairs of guide wheels (4) positioned on the same cross beam are positioned at different heights.
2. Single-axle bogie for a straddle-type monorail vehicle suitable for inverted T-shaped rail beams according to claim 1, characterized in that of the three traction links (7), the traction links located in the centre are different in mounting height from the traction links located on both sides, and the traction links located on both sides are identical in mounting height.
3. The single axle bogie for a straddle-type monorail vehicle adapted for use with an inverted T-shaped track beam of claim 1, wherein said side and cross beams are each of a closed hollow rectangular configuration.
4. The single-axle bogie for a straddle-type monorail vehicle suitable for an inverted T-shaped track beam according to claim 1, wherein a pair of auxiliary wheels (8) are symmetrically arranged on two cross beams of the frame (5), and the auxiliary wheels (8) run on the upper surface of the central beam when the running wheels (3) burst.
5. Single-axle bogie for a straddle-type monorail vehicle suitable for use with an inverted T-shaped rail beam according to claim 4, characterized in that the auxiliary wheels (8) are solid rollers.
6. The single-axle bogie for a straddle-type monorail vehicle suitable for an inverted T-shaped track beam according to claim 1, wherein two driving mechanisms are arranged on two sides of the frame (5) in a central symmetry manner, each driving mechanism comprises a driving motor (9), a reduction gearbox (10) and a brake disc (11), and the reduction gearbox (10) is respectively connected with the driving motor (9), the running wheel (3) and the brake disc (11).
7. Single-axle bogie for a straddle-type monorail vehicle suitable for use with inverted T-shaped rail beams according to claim 1, characterized in that said frame (5) is further provided with a current-carrying shoe (12) cooperating with the contact rail of the inverted T-shaped rail beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711350781.7A CN109131409B (en) | 2017-12-15 | 2017-12-15 | Single-axle bogie of straddle type monorail vehicle suitable for inverted T-shaped track beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711350781.7A CN109131409B (en) | 2017-12-15 | 2017-12-15 | Single-axle bogie of straddle type monorail vehicle suitable for inverted T-shaped track beam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109131409A CN109131409A (en) | 2019-01-04 |
| CN109131409B true CN109131409B (en) | 2024-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711350781.7A Active CN109131409B (en) | 2017-12-15 | 2017-12-15 | Single-axle bogie of straddle type monorail vehicle suitable for inverted T-shaped track beam |
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| CN (1) | CN109131409B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112009516B (en) * | 2019-05-31 | 2022-03-18 | 比亚迪股份有限公司 | Bogie and rail vehicle and rail transit system with same |
| CN112009515B (en) * | 2019-05-31 | 2022-04-15 | 比亚迪股份有限公司 | Bogie for rail vehicle, rail vehicle and rail transit system |
| CN112441047A (en) * | 2019-08-29 | 2021-03-05 | 比亚迪股份有限公司 | Bogie for railway vehicle, railway vehicle and railway traffic system |
| CN111976773B (en) * | 2020-08-19 | 2021-12-17 | 中车株洲电力机车有限公司 | Guide structure suitable for four-module suspension frame |
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| GB1120160A (en) * | 1967-03-20 | 1968-07-17 | Alweg Gmbh | Bogie for monorail vehicles |
| CH578441A5 (en) * | 1973-10-20 | 1976-08-13 | Mannesmann Ag | |
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| CN106740956A (en) * | 2016-12-15 | 2017-05-31 | 中车长春轨道客车股份有限公司 | The single rail bogie central mounting device of sleeper beam is contacted with aluminium alloy |
| CN107187460A (en) * | 2017-05-11 | 2017-09-22 | 同济大学 | A kind of single-axle bogie of the Straddle type monorail vehicle of use pivoted arm axle box |
| CN107200033A (en) * | 2017-05-11 | 2017-09-26 | 同济大学 | A kind of single-axle bogie of the Straddle type monorail vehicle of use pivoted arm bolster |
| CN207683534U (en) * | 2017-12-15 | 2018-08-03 | 北京维时正喜科技有限公司 | Straddle type monorail vehicle single-axle bogie suitable for inverted T-shaped track girder |
-
2017
- 2017-12-15 CN CN201711350781.7A patent/CN109131409B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1120160A (en) * | 1967-03-20 | 1968-07-17 | Alweg Gmbh | Bogie for monorail vehicles |
| CH578441A5 (en) * | 1973-10-20 | 1976-08-13 | Mannesmann Ag | |
| JPS554232A (en) * | 1978-06-26 | 1980-01-12 | Kawasaki Heavy Ind Ltd | Sounddisolated*snowwproof suspension monorail |
| CN101927767A (en) * | 2010-09-15 | 2010-12-29 | 株洲九方工模具有限责任公司 | Suspension type monorail traffic system |
| CN102295010A (en) * | 2011-05-30 | 2011-12-28 | 深圳华强文化科技集团股份有限公司 | Guide mechanism used for T-shaped rail |
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