CN112693489A - Steering device of railway locomotive - Google Patents
Steering device of railway locomotive Download PDFInfo
- Publication number
- CN112693489A CN112693489A CN202110202991.1A CN202110202991A CN112693489A CN 112693489 A CN112693489 A CN 112693489A CN 202110202991 A CN202110202991 A CN 202110202991A CN 112693489 A CN112693489 A CN 112693489A
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- CN
- China
- Prior art keywords
- pipeline
- traction device
- carriage
- cavity
- railway locomotive
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/04—Bolster supports or mountings
- B61F5/06—Bolster supports or mountings incorporating metal 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
- B61F5/04—Bolster supports or mountings
- B61F5/12—Bolster supports or mountings incorporating dampers
- B61F5/127—Bolster supports or mountings incorporating dampers with fluid as a damping medium
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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
- B61F5/245—Means for damping or minimising the canting, skewing, pitching, or plunging movements of the underframes by active damping, i.e. with means to vary the damping characteristics in accordance with track or vehicle induced reactions, especially in high speed mode
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a steering device of a railway locomotive, which comprises a main body of a railway locomotive bogie and wheel pairs arranged on two sides of the main body; the two sides of the upper end of the main body are provided with traction devices, and each traction device comprises a first traction device and a second traction device; the first traction device and the second traction device are symmetrically arranged; the other end of the traction device is connected with the carriage; a first pipeline and a second pipeline are arranged between the traction devices, and one-way valves are arranged on the first pipeline and the second pipeline; one end of the first pipeline and one end of the second pipeline are communicated with the first traction device, and the other end of the first pipeline and the other end of the second pipeline are communicated with the second traction device. Through setting up first draw gear and second draw gear, when the locomotive turned to, the inclination in can automatically regulated carriage, when the carriage inclined, first draw gear and second draw gear had played the effect of buffering, had improved the travelling comfort when the carriage turned to.
Description
Technical Field
The invention belongs to the technical field of railway locomotive equipment, and particularly relates to a steering device of a railway locomotive.
Background
The structure of the railway locomotive bogie enables the locomotive to have good steering characteristics so as to alleviate the interaction between the vehicle and the line, and the use of the bogie reduces the impact between the locomotive and the line and improves the running stability and safety of the locomotive. Traditional bogie simple structure though has great cushioning effect when moving the locomotive, nevertheless, in the actual operation that turns to, because there is the difference in height between two wheel pairs of turning for the carriage is sharply inclined in the short time when turning to, and the unable automatically regulated inclination in carriage causes the travelling comfort in the carriage relatively poor.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a steering device of a railway locomotive, which can automatically adjust the inclination angle of a carriage when the locomotive steers by arranging a first traction device and a second traction device, and the first traction device and the second traction device play a role in buffering when the carriage inclines, thereby improving the comfort when the carriage steers.
The invention provides the following technical scheme:
a steering device of a railway locomotive comprises a main body of a railway locomotive bogie and wheel pairs arranged on two sides of the main body; the two sides of the upper end of the main body are provided with traction devices, and each traction device comprises a first traction device and a second traction device; the first traction device and the second traction device are symmetrically arranged; the other end of the traction device is connected with the carriage; a first pipeline and a second pipeline are arranged between the traction devices, and one-way valves are arranged on the first pipeline and the second pipeline; one end of the first pipeline and one end of the second pipeline are communicated with the first traction device, and the other end of the first pipeline and the other end of the second pipeline are communicated with the second traction device.
Preferably, the traction device comprises a base; a moving member capable of moving along the vertical direction is arranged in the base, a rotating body is arranged on the moving member, and a rotating sleeve is correspondingly arranged on the upper side of the rotating body; the rotating sleeve is connected with the carriage.
Preferably, the rotating body comprises a sphere and a connecting rod, the center of the connecting rod is over against the sphere center of the sphere, and the sphere is connected with the rotating sleeve; the connecting rod is connected with the moving piece.
Preferably, a cavity is arranged in the base, and a liquid medium is contained in the cavity.
Preferably, the moving member includes a shutter; the baffle is located the cavity inboard of base.
Preferably, a spring is arranged in the cavity, one end of the spring is connected with the baffle, and the other end of the spring is connected with the bottom surface of the cavity.
Preferably, a pipeline interface is arranged on the lower side of the cavity and is located on the lower side of the baffle.
Preferably, the upper surface of the main body is provided with a first groove, a first movable plate is arranged in the first groove, and the first movable plate is connected with the base.
Preferably, a first elastic piece is arranged between the inner wall of the first groove and the first movable plate; one end of the first elastic piece is connected with the inner wall of the first groove, and the other end of the first elastic piece is connected with the first movable plate.
Preferably, the lower surface of the carriage is provided with a second groove, a second movable plate is arranged in the second groove, and the second movable plate is connected with the rotating sleeve.
Preferably, a second elastic piece is arranged between the inner wall of the second groove and the second movable plate; one end of the second elastic piece is connected with the inner wall of the second groove, and the other end of the second elastic piece is connected with the second movable plate.
Preferably, when the carriage is in a horizontal position, the liquid level height of the liquid medium in the cavity of the base is not lower than 2/3 of the height of the cavity.
Preferably, the first pipeline and the second pipeline are both provided with safety valves, so that the safe operation environment of the device is ensured.
Preferably, in order to improve the comfort of the carriage in steering, the diameter R1 of the spring, the wire diameter R of the spring, the effective number N of turns of the spring and the diameter R2 of the cavity satisfy the following relations:
R1·R2=α·(N·r)2；
wherein the unit of R1, R2 and R is cm; alpha is a correlation coefficient and has a value range of 3-10.
Compared with the prior art, the invention has the following beneficial effects:
(1) according to the steering device of the railway locomotive, the first traction device and the second traction device are arranged, so that the inclination angle of the carriage can be automatically adjusted when the locomotive is steered, the first traction device and the second traction device play a role in buffering when the carriage is inclined, and the comfort of the carriage during steering is improved.
(2) According to the steering device of the railway locomotive, the first groove and the second groove are arranged, and the corresponding first movable plate and the second movable plate are arranged, so that the carriage can be conveniently displaced along the left and right direction, and the flexibility of the device is improved. The comfort of the carriage during steering is improved.
(3) According to the steering device of the railway locomotive, the rotating body and the rotating sleeve are arranged, the rotating body can rotate in the rotating sleeve, the use process is flexible, the inclination of a carriage is convenient to occur during steering, and the inclination angle of the carriage can be automatically adjusted conveniently.
(4) According to the steering device of the railway locomotive, disclosed by the invention, the relation among the diameter R1 of the spring, the wire diameter R of the spring, the effective number N of turns of the spring and the diameter R2 of the cavity is limited, the stability of a carriage in steering is improved, and the comfort level of the carriage is increased.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the internal structure of the present invention.
Fig. 3 is a partial cross-sectional schematic view of fig. 2 of the present invention.
Fig. 4 is a schematic view of the rotor of the present invention.
Fig. 5 is a schematic view of the base of the present invention.
In the figure: 1. a wheel set; 2. a main body; 3. a first traction device; 4. a rotating body; 5. rotating the sleeve; 6. a carriage; 7. a second traction transposition; 8. a first pipeline; 9. a second pipeline; 10. a one-way valve; 11. a moving member; 12. a spring; 13. a baffle plate; 14. a first movable plate; 15. a first elastic member; 16. a base; 17. a cavity; 18. a second movable plate; 19. a second elastic member.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings. It is to be understood that the described embodiments are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1 to 5, a steering apparatus for a railway locomotive comprises a main body 2 of a railway locomotive bogie and wheel sets 1 disposed at both sides of the main body 2; the two sides of the upper end of the main body 2 are respectively provided with a traction device, the traction devices are used for drawing the carriage 6 to move, and each traction device comprises a first traction device 3 and a second traction device 7; the first traction device 3 and the second traction device 7 are symmetrically arranged; the other end of the traction device is connected with a carriage 6; a first pipeline 8 and a second pipeline 9 are arranged between the traction devices, one-way valves 10 are arranged on the first pipeline 8 and the second pipeline 9 respectively, and the flow directions of liquid media in the two one-way valves 10 are opposite; one end of the first pipeline 8 and one end of the second pipeline 9 are communicated with the first traction device 3, and the other end of the first pipeline 8 and the other end of the second pipeline 9 are communicated with the second traction device 7.
The traction device comprises a base 16; a moving part 11 capable of moving along the vertical direction is arranged in the base 16, a rotating body 4 is arranged on the moving part 11, and a rotating sleeve 5 is correspondingly arranged on the upper side of the rotating body 4; the rotating sleeve 5 is connected with the carriage 6, and the rotating body 4 can rotate in the rotating sleeve 5.
The rotating body 4 comprises a sphere and a connecting rod, the center of the connecting rod is over against the sphere center of the sphere, the sphere is connected with the rotating sleeve 5, and the sphere and the rotating sleeve 5 are similar to a spherical hinge structure; a fixed cavity corresponding to the sphere is arranged on the rotating sleeve 5, the fixed cavity is of a partial sphere structure, and the height of the fixed cavity is greater than the radius of the sphere and smaller than the diameter of the sphere; the connecting rod is connected with the moving member 11.
A cavity 17 is arranged in the base 16, and liquid media are contained in the cavity 17. Said moving member 11 comprises a shutter 13; the baffle 13 is located inside the cavity 17 of the base 16. A spring 12 is arranged in the cavity 17, one end of the spring 12 is connected with the baffle 13, and the other end of the spring is connected with the bottom surface of the cavity 17.
The lower side of the cavity 17 is provided with a pipeline interface which is positioned at the lower side of the baffle 13. The first pipeline 8 and the second pipeline 9 are connected with corresponding pipeline interfaces, safety valves are arranged on the first pipeline 8 and the second pipeline 9, and the safe operation environment of the first pipeline 8 and the safe operation environment of the second pipeline 9 are guaranteed.
The upper surface of the main body 2 is provided with a first groove, a first movable plate 14 is arranged in the first groove, and the first movable plate 14 is connected with a base 16. A first elastic piece 15 is arranged between the inner wall of the first groove and the first movable plate 14; one end of the first elastic member 15 is connected to the inner wall of the first groove, and the other end is connected to the first movable plate 14. By arranging the first groove and the first movable plate 14, the first traction device 3 and the second traction device 7 can move in the left-right direction conveniently.
The lower surface of the carriage 6 is provided with a second groove, a second movable plate 18 is arranged in the second groove, and the second movable plate is connected with the rotating sleeve 5. A second elastic piece 19 is arranged between the inner wall of the second groove and the second movable plate 18; one end of the second elastic member 19 is connected to the inner wall of the second groove, and the other end is connected to the second movable plate 18. Through setting up second recess and second fly leaf 18, be convenient for rotate cover 5 and carry out the ascending removal in left and right sides, increased the flexibility of device, improved the travelling comfort of carriage 6.
When the carriage 6 is in a horizontal position, the liquid level height of the liquid medium in the cavity 17 of the base 16 is not lower than 2/3 of the height of the cavity 17, and when the liquid level height of the liquid medium in the cavity 17 is not lower than 2/3 of the height of the cavity 17, the coordinated and stable operation between the first traction device 3 and the second traction device 7 can be ensured, and when the liquid medium is less, the system response is slow during the steering of the locomotive, the shaking phenomenon is easy to occur, the operation is unstable, and the liquid medium is hydraulic oil.
Example two:
the difference from the first embodiment is that in order to improve the comfort of the carriage in steering, the diameter R1 of the spring, the wire diameter R of the spring, the effective number N of turns of the spring and the diameter R2 of the cavity satisfy the following relations: r1 · R2= α · (N · R)2(ii) a Wherein the unit of R1, R2 and R is cm; alpha is a correlation coefficient and has a value range of 3-10. When α is less than 3, the spring rate is large and the shock absorbing performance is poor, so thatWhen the alpha is more than 10, the rigidity of the spring is small, and when the locomotive turns, the liquid medium flows between the first traction device 3 and the second traction device 7 rapidly, the inclination speed of the carriage 6 is high, and the comfort of the carriage 6 is poor.
Example three:
combining the second embodiment, performing a simulation experiment on the turning of the locomotive, wherein the steering angle of a curve of the simulated railway is 120 degrees, the angle of the cross section of the turning is 30 degrees, namely the included angle between the plane of the wheel set 1 and the horizontal plane is 30 degrees during turning, in order to simplify the experiment, a second spring is freely suspended in a locomotive model, the lower end of the spring is connected with a steel ball, the weight of the steel ball is 50N, the upper end of the second spring is connected with a tension sensor, the locomotive drives through the curve at a constant speed, the taking rate is 10m/s, respectively performing experiments on alpha 1, 3, 6, 10 and 12, observing the value of the tension sensor, and the larger the tension is, which indicates that the stability of a carriage during turning is poorer and the comfort level is poorer; the experimental results are as follows, when alpha is 1, the tensile force F is 100N; when alpha is 3, the tensile force F is 75N; when alpha is 6, the tensile force F is 60N; when alpha is 10, the tensile force F is 60N; when alpha is 12, the tensile force F is 98N; according to the experimental result, when alpha is 6, the steering process of the locomotive is relatively stable; when alpha is 1 and 12, the impact on the steel ball is larger when the locomotive turns, and the comfort is poorer.
The working principle is that when the locomotive turns, an included angle larger than 0 degree is formed between the plane where the wheel pair 1 of the carriage 6 is located and the horizontal plane, the carriage 6 inclines, as shown in the combined drawing 1, when the locomotive turns to the left, the carriage 6 inclines to the left, the moving part 11 compresses the spring 12, meanwhile, the liquid medium in the cavity 17 is pressed, because the pressure born by the first traction device 3 is larger than the pressure born by the second traction device 7, the liquid medium in the base 16 positioned in the first traction device 3 flows into the second traction device 7, after the turning is finished, the liquid medium in the second traction device 7 flows into the first traction device 3, the balance degree of the carriage 6 is automatically adjusted, the traditional rigid impact is converted into flexible impact during the turning, the purposes of automatically adjusting the inclination angle of the carriage 6 and reducing the impact force born by the carriage are achieved, and meanwhile, the spring 12 plays a buffering role, the inclination process of the carriage 6 is slower, the impact force on the carriage 6 during steering is smaller, and the comfort is higher.
The device that obtains through above-mentioned technical scheme is a steering gear of railway locomotive, through setting up first draw gear and second draw gear, when the locomotive turns to, can the inclination of automatically regulated carriage, when the carriage inclines, first draw gear and second draw gear have played the effect of buffering, have improved the travelling comfort when the carriage turns to.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A steering device of a railway locomotive comprises a main body (2) of a railway locomotive bogie and wheel pairs (1) arranged on two sides of the main body (2); the device is characterized in that two sides of the upper end of the main body (2) are respectively provided with a traction device, and each traction device comprises a first traction device (3) and a second traction device (7); the first traction device (3) and the second traction device (7) are symmetrically arranged; the other end of the traction device is connected with a carriage (6); a first pipeline (8) and a second pipeline (9) are arranged between the traction devices, and one-way valves (10) are arranged on the first pipeline (8) and the second pipeline (9); one end of the first pipeline (8) and one end of the second pipeline (9) are communicated with the first traction device (3), and the other end of the first pipeline (8) and the other end of the second pipeline (9) are communicated with the second traction device (7).
2. A steering device for a railway locomotive according to claim 1, wherein said traction means comprises a base (16); a moving piece (11) capable of moving along the vertical direction is arranged in the base (16), a rotating body (4) is arranged on the moving piece (11), and a rotating sleeve (5) is correspondingly arranged on the upper side of the rotating body (4); the rotating sleeve (5) is connected with the carriage (6).
3. A steering device for a railway locomotive according to claim 2, wherein said rotor (4) comprises a sphere and a connecting rod, the center of said connecting rod is opposite to the sphere center of the sphere, said sphere is connected with a rotating sleeve (5); the connecting rod is connected with a moving piece (11).
4. A steering arrangement for a railway locomotive according to claim 1, wherein a cavity (17) is provided in said base (16), said cavity (17) containing a liquid medium.
5. Steering device for a railway locomotive according to claim 4, characterized in that said mobile element (11) comprises a flap (13); the baffle (13) is positioned inside the cavity (17) of the base (16).
6. A steering device for a railway locomotive according to claim 5, wherein a spring (12) is arranged in the cavity (17), one end of the spring (12) is connected with the baffle (13), and the other end is connected with the bottom surface of the cavity (17).
7. Steering device for a railway locomotive according to claim 5, characterized in that the lower side of said cavity (17) is provided with a pipe connection, said pipe connection being located on the lower side of the flap (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110202991.1A CN112693489A (en) | 2021-02-24 | 2021-02-24 | Steering device of railway locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110202991.1A CN112693489A (en) | 2021-02-24 | 2021-02-24 | Steering device of railway locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112693489A true CN112693489A (en) | 2021-04-23 |
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ID=75515210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110202991.1A Pending CN112693489A (en) | 2021-02-24 | 2021-02-24 | Steering device of railway locomotive |
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| Country | Link |
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| CN (1) | CN112693489A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2410166A1 (en) * | 1974-03-02 | 1975-09-11 | Boge Gmbh | Paired shock absorbers for railway vehicles - have diagonally connected oil filled working chambers for compact design |
| RU2168428C1 (en) * | 2000-01-10 | 2001-06-10 | Открытое акционерное общество "Брянский машиностроительный завод" | Traction device of locomotive two-axle bogie |
| CN110386163A (en) * | 2018-04-17 | 2019-10-29 | 阿尔斯通运输科技公司 | Rolling stock and relevant transportation resources |
| CN209634484U (en) * | 2019-02-27 | 2019-11-15 | 侯乃器 | Railway locomotive transfer |
-
2021
- 2021-02-24 CN CN202110202991.1A patent/CN112693489A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2410166A1 (en) * | 1974-03-02 | 1975-09-11 | Boge Gmbh | Paired shock absorbers for railway vehicles - have diagonally connected oil filled working chambers for compact design |
| RU2168428C1 (en) * | 2000-01-10 | 2001-06-10 | Открытое акционерное общество "Брянский машиностроительный завод" | Traction device of locomotive two-axle bogie |
| CN110386163A (en) * | 2018-04-17 | 2019-10-29 | 阿尔斯通运输科技公司 | Rolling stock and relevant transportation resources |
| CN209634484U (en) * | 2019-02-27 | 2019-11-15 | 侯乃器 | Railway locomotive transfer |
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