CN110182230B - Suspended track beam and pneumatic system - Google Patents
Suspended track beam and pneumatic system Download PDFInfo
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- CN110182230B CN110182230B CN201910586157.XA CN201910586157A CN110182230B CN 110182230 B CN110182230 B CN 110182230B CN 201910586157 A CN201910586157 A CN 201910586157A CN 110182230 B CN110182230 B CN 110182230B
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- 238000005192 partition Methods 0.000 claims abstract description 47
- 239000000725 suspension Substances 0.000 claims abstract description 22
- 238000000926 separation method Methods 0.000 claims description 10
- 230000002457 bidirectional effect Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 10
- 238000009423 ventilation Methods 0.000 abstract description 5
- 238000005286 illumination Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B13/00—Other railway systems
- B61B13/12—Systems with propulsion devices between or alongside the rails, e.g. pneumatic systems
- B61B13/122—Pneumatic systems
-
- 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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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Platform Screen Doors And Railroad Systems (AREA)
Abstract
The invention relates to the technical field of novel rail transit, in particular to a suspension type rail beam and a pneumatic system, wherein the rail beam is supported in the air through a hollow upright post, a partition plate is arranged in the rail beam, the partition plate is provided with a hollow channel, a traction plate is arranged on the upper part of the partition plate, a wheel pair and a framework of a pneumatic frame are arranged on the lower part of the partition plate, the traction plate is connected with the wheel pair, the hollow upright post is connected with a gas supply device, compressed air enters the upper part of the partition plate through the hollow upright post when the gas supply device works, the traction plate is forced to drive the whole pneumatic frame to move along the hollow channel, namely the length direction of the rail beam, the rail beam with the partition plate and the hollow upright post optimize the arrangement of the gas supply system and the design of a ventilation pipeline, and the economical efficiency of the system engineering is improved.
Description
Technical Field
The invention relates to the technical field of novel rail transit, in particular to a suspended type rail beam and a suspended type rail beam pneumatic system.
Background
A pneumatic railway train is a special system rail transit system which realizes a vehicle traction driving function by means of airflow thrust. The standard rail transit has no engineering practical application in China at present, and the prior technology reserve research is still blank. This mode of transportation was originally proposed by the Brazilian engineer Oskar in 1977 and is currently only successfully used in Indonesia-Alcalide urban rail transit.
The existing pneumatic railway vehicle is characterized in that an air supply system enables air flow to enter the inside of a concrete box girder so as to drive a propulsion plate fixed on a bogie, so that the traction function of the vehicle is realized. However, the prior art has the following problems: the air supply system is currently arranged at the bottom of a platform or a box girder, the air supply channel is complex to arrange, more space and material are wasted, and the limit requirement is high; the middle part of the bridge deck on the box girder for bearing the pneumatic vehicle body and the bogie is provided with a hollow channel, which can influence the structural strength and the stress condition of the track girder to a certain extent; the bridge floor exposes in the outside on the case roof beam, easily receives bad weather's such as sleet influence, and medium such as sleet is easy to get into the case roof beam inside through hollow channel, and then leads to structural damage and worsening to accelerate.
Disclosure of Invention
The invention aims to solve the problems that the space and materials are wasted and the limit requirement is high due to the complicated arrangement of the air supply channel in the existing pneumatic railway vehicle, and the medium such as rain and snow caused by the exposure of the bridge deck on the existing box girder is easy to enter the box girder through the middle hollow channel of the bridge deck on the box girder, so that the structure is damaged, the deterioration and the acceleration are caused, and provides a suspended track girder.
In order to achieve the above object, the present invention provides the following technical solutions:
the suspended track beam comprises a plurality of hollow upright posts arranged on the ground and a track beam supported by the plurality of hollow upright posts, wherein the track beam is communicated with the hollow upright posts, the inner space of the track beam is used for arranging a pneumatic frame on a traction vehicle, the traction vehicle is suspended below the track beam, and the traction vehicle comprises a pneumatic frame and a vehicle body;
the end part of the hollow upright post is used for being connected with an air supply device, and the speed of the pneumatic frame in the track beam can be controlled by adjusting the air supply frequency.
Through setting up many cavity stands and by many the track roof beam that the cavity stand supported, wherein the track roof beam with the cavity stand is the same, the other end of cavity stand is provided with air feeder, can control through adjusting the air feed frequency the towing vehicle is in the speed of running in the track roof beam. Because the track beam is arranged in the half space, the traction vehicle moves along the track beam through the pneumatic frame by arranging the pneumatic frame in the track beam. The suspended design has the advantages that the opening of the track beam connected with the traction vehicle is arranged below, the vehicle is arranged relative to the ground, and the traditional opening is arranged on the opening, so that the inside of the track beam by using media such as rain and snow can be effectively avoided, the damage to the structure of the track beam is slowed down, and the structural safety and the running adaptability of the vehicle in severe weather are improved; meanwhile, the air supply device can be arranged on the ground or underground, so that abundant underground space can be fully and skillfully utilized, the structure of the hollow upright post and the suspended track beam is used for replacing the structure of the traditional track beam, the air supply system arrangement and the ventilation pipeline design are optimized, and the system engineering economy is improved;
the air supply device can be arranged on the ground or underground, so that abundant underground space can be fully and skillfully utilized, the structure of the hollow upright post and the track beam is used for replacing the structure of the traditional track beam, the air supply system arrangement and the ventilation pipeline design are optimized, and the system engineering economy is improved;
by adopting the mode of driving the vehicle to run by air flow, the structure of the bogie can be greatly simplified, complex equipment such as a traction motor, a gear box, a braking device and the like is not required to be arranged, and the structure and the dead weight of the bogie are greatly simplified. Meanwhile, the traditional power supply systems such as a contact net or a third rail are omitted, the illumination and signal control in the vehicle can be powered by a storage battery, and the engineering economy advantage is obvious.
Preferably, the rail Liang Nashui is provided with a partition plate in a flat manner, the partition plate divides the interior of the rail beam into an upper space and a lower space, the lower space of the rail beam is used for arranging a framework and a wheel set of the pneumatic frame, and the upper space of the rail beam is used for arranging a traction plate and is matched with the cross section of the upper space of the rail beam in shape with the traction plate;
the division plate is provided with hollow channel, hollow channel is used for setting up the connection pole of connecting traction plate with the axletree on the wheel pair.
Preferably, an exhaust valve and a separation valve for blocking compressed air circulation are arranged between the track beam and each hollow upright post, and traction and braking of the traction vehicle can be achieved by opening and closing different exhaust valves and separation valves.
Preferably, the hollow upright post is a hollow steel upright post.
The pneumatic system of the suspended track beam comprises the suspended track beam, the traction vehicle connected with the track beam, a suspension device and a swing bolster, wherein one end of the suspension device is hinged to the swing bolster, and the other end of the suspension device is fixed to a vehicle body of the traction vehicle;
the swing bolster is arranged on the framework.
Through setting up the track roof beam that is connected with the traction vehicle, the track roof beam is supported in the sky through the cavity stand, be provided with the division board in the track roof beam, the division board is provided with hollow channel, set up the traction plate in track roof beam upper portion space, set up pneumatic rack's wheel pair and framework in track roof beam lower part space, the connecting rod on the traction plate passes hollow channel with the axletree on the wheel pair links to each other, division board upper portion with the cavity stand communicates with each other, the tip of cavity stand is used for connecting air feeder, through this kind of structure, when air feeder works, compressed air gets into division board upper portion through the cavity stand, forces the traction plate to carry out the motion along the length direction of hollow channel that is track roof beam, the division board passes through the connecting rod and links to the axletree, drives whole pneumatic rack and carry out the motion along the length direction of track roof beam, and the shape of traction plate with division board upper cross section looks adaptation has guaranteed good gas tightness, through the division board with traditional suspension type monorail roof beam inner space divide into upper and lower two parts, place the frame of traction plate in the track roof beam inside, has improved pneumatic rack's anticreep rail performance; meanwhile, the air supply device can be arranged on the ground or underground, so that abundant underground space can be fully and skillfully utilized, the structure of the hollow upright post and the track beam is used for replacing the structure of the traditional track beam, the air supply system arrangement and the ventilation pipeline design are optimized, and the system engineering economy is improved; the suspended design has the advantages that the opening of the track beam connected with the traction vehicle is arranged below, and compared with the traditional opening, the suspended design has the advantages that the inside of the track beam by media such as rain and snow can be effectively avoided, the damage to the structure of the track beam is slowed down, and the structural safety and the running adaptability of the vehicle in severe weather are improved;
by adopting the mode of driving the vehicle to run by air flow, the structure of the bogie can be greatly simplified, complex equipment such as a traction motor, a gear box, a braking device and the like is not required to be arranged, and the structure and the dead weight of the bogie are greatly simplified. Meanwhile, the traditional power supply systems such as a contact net or a third rail are omitted, the illumination and signal control in the vehicle can be powered by a storage battery, and the engineering economy advantage is obvious.
Preferably, the pneumatic frame further comprises a suspension device, and the swing bolster is arranged on the framework through the suspension device.
Preferably, the pneumatic frame further comprises at least 4 guide wheels, the frame comprises 4 end angles, and at least 1 guide wheel is arranged on each end angle.
Preferably, a sealing device is arranged on the hollow channel.
Preferably, the sealing device is a rubber block bidirectional overlapping device, rubber blocks are arranged on two sides of the hollow channel, and the rubber blocks on two sides are in bidirectional overlapping connection with the connecting rod for air leakage prevention.
Preferably, the guide wheel and the running wheels on the wheel set are made of rubber.
Compared with the prior art, the invention has the beneficial effects that:
the pneumatic rail comprises a rail beam, a hollow upright post, a partition plate, a wheel pair, a framework, a connecting rod, an air supply device and a pneumatic frame, wherein the rail beam is connected with the traction vehicle;
the air supply device can be arranged on the ground or underground, so that abundant underground space can be fully and skillfully utilized, the structure of the hollow upright post and the track beam is used for replacing the structure of the traditional track beam, the air supply system arrangement and the ventilation pipeline design are optimized, and the system engineering economy is improved; the suspended design has the advantages that the opening of the track beam connected with the traction vehicle is arranged below, and compared with the traditional opening, the suspended design has the advantages that the inside of the track beam by media such as rain and snow can be effectively avoided, the damage to the structure of the track beam is slowed down, and the structural safety and the running adaptability of the vehicle in severe weather are improved;
by adopting the mode of driving the vehicle to run by air flow, the structure of the bogie can be greatly simplified, complex equipment such as a traction motor, a gear box, a braking device and the like is not required to be arranged, and the structure and the dead weight of the bogie are greatly simplified. Meanwhile, the traditional power supply systems such as a contact net or a third rail are omitted, the illumination and signal control in the vehicle can be powered by a storage battery, and the engineering economy advantage is obvious.
Description of the drawings:
FIG. 1 is a three-dimensional schematic of a unitary structure;
FIG. 2 is a side view of the overall structure;
FIG. 3 is a schematic view of a track beam in semi-section;
FIG. 4 is a three-dimensional schematic of a track beam;
FIG. 5 is a schematic cross-sectional view of a track beam;
FIG. 6 is a schematic top view of a hollow column;
FIG. 7 is a schematic view of the overall structure of the pneumatic frame;
FIG. 8 is a schematic view of the overall structure of the pneumatic frame without the traction plate;
FIG. 9 is a front view of the pneumatic frame;
FIG. 10 is a side view of a pneumatic frame;
FIG. 11 is a top view of the pneumatic frame.
The labels in the figures include: the vehicle body 1, the air frame 2, the hollow upright 3, the track beam 4, the air supply device 5, the frame 201, the swing bolster 202, the suspension 203, the running wheels 204, the guide wheels 205, the suspension 206, the traction plate 207, the connecting rod 208, the axle 209, the upright air vent 301, the track beam air vent 401, the air release valve 402, the partition valve 403, the partition plate 404, and the air supply pipe 501.
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments. It should not be construed that the scope of the above subject matter of the present invention is limited to the following embodiments, and all techniques realized based on the present invention are within the scope of the present invention.
In the following, as shown in fig. 1, a suspension type pneumatic traction vehicle and track beam 4 system comprises a track beam 4 connected with the traction vehicle, wherein the whole track beam 4 is supported in the air by hollow upright posts 3 which are arranged at equal intervals;
the end part of the hollow upright post 3 is used for being connected with an air supply device 5, the speed of the vehicle is controlled by adjusting the air supply frequency, the hollow upright post 3 which is not connected with the air supply device 5 is subjected to sealing treatment at the position where the air supply device 5 can be connected;
the hollow upright post 3 is a hollow steel upright post;
an exhaust valve 402 and a partition valve 403 for blocking the circulation of compressed air are arranged between the track beam 4 and each hollow upright post 3, and traction and braking of the traction vehicle can be realized by opening and closing the exhaust valve 402 and the partition valve 403 differently.
The compressed air is not allowed to pass when the partition valve 403 is opened, and the compressed air is allowed to pass when the partition valve 403 is closed.
The specific method for realizing traction and braking is as follows:
in this embodiment, two air supply devices 5 are disposed in a section of the running area of the traction vehicle, that is, one air supply device 5 is disposed at each of the running start point and the running end point of the section of the running area, that is, two air supply devices 5 are disposed at the rear and the front of the traction vehicle, respectively, the partition valve 403 and the exhaust valve 402 at the running start point are a first partition valve and a first exhaust valve, the partition valve 403 and the exhaust valve 402 at the running end point are a second partition valve and a second exhaust valve, and the partition valve 403 and the exhaust valve 402 between the running start point and the running end point are other partition valves and other exhaust valves.
Traction conditions:
during normal operation of the towing vehicle, the first partition valve and the first exhaust valve are in a closed state, the second partition valve and the second exhaust valve are in an open state, the other exhaust valves and the other partition valves in front of the towing vehicle are in an open state, and the other exhaust valves and the other partition valves behind the towing vehicle are in a closed state. By opening the air supply 5 at the rear of the towing vehicle and closing the air supply 5 at the front of the towing vehicle, the traction plate 207 receives a forward running force, thereby driving the towing vehicle into a towing condition.
Under the braking working condition:
during braking, the first exhaust valve and the first partition valve are in an open state, the second exhaust valve and the second partition valve are in a closed state, other exhaust valves and other partition valves in front of the traction vehicle are in a closed state, other exhaust valves and other partition valves in rear of the traction vehicle are in an open state, and braking of the pneumatic vehicle can be achieved through air compression between the traction plate 207 and the second partition valve.
The air supply device 5 can adopt a centrifugal fan to convert electric energy into aerodynamic force, and the speed of the vehicle can be controlled by adjusting the frequency in the air supply process.
The air supply device 5 may be installed under ground or on the ground, and in this embodiment, the air supply device 5 is disposed under the ground and directly connected to the bottom of the hollow upright 3 through the air supply pipe 501, and the air supply device 5 may supply air directly from the hollow upright 3 to the upper portion of the partition plate 404 of the track beam 4. The upper top surface of the box-shaped track beam 4 is provided with an exhaust valve 402 and a partition valve 403 at equal intervals to control the flow direction of the air flow, and all have unified control of vehicle signals.
As shown in fig. 2, fig. 2 is enlarged 1-fold for ease of understanding the mating relationship of the towing vehicle and the track beam 4.
The track beam 4 is provided with a partition plate 404 inside, the pneumatic frame 2 is arranged inside the track beam 4, wherein the pneumatic frame 2 is part of a towing vehicle, which also comprises a vehicle body 1, which vehicle body 1 is connected below the pneumatic frame 2.
The separation plate 404 in the track beam 4, the separation plate 404 is provided with a hollow channel, the space at the upper part of the separation plate 404, namely the space at the lower part of the track beam 4, is provided with the wheel set and the framework 201 of the pneumatic frame 2, the connecting rod 208 on the traction plate 207 passes through the hollow channel to be connected with the axle 209 on the wheel set, and the shape of the traction plate 207 is matched with the cross section of the space at the upper part of the track beam 4; the traction plate 207 remains parallel to the cross section of the track beam 4 and the wheel set includes an axle 209 and running wheels 204. Structural diagrams of a particular pneumatic frame 2 figures 7 and 8.
The upper part of the partition plate 404 is communicated with the hollow upright post 3, the end part of the hollow upright post 3 is used for being connected with an air supply device 5, and the speed of the vehicle is controlled by adjusting the air supply frequency. The specific communication structure is shown in fig. 4 and 6.
In order to prevent the air leakage of the upper space of the partition plate 404 in the track beam 4, special air leakage prevention treatment is needed at the position of the hollow channel, a rubber block bidirectional overlapping mode can be adopted, namely, a sealing device is arranged on the hollow channel and is a rubber block bidirectional overlapping device, rubber blocks are arranged on two sides of the hollow channel, and the rubber blocks on two sides are connected with the connecting rod 208 through bidirectional overlapping to prevent the air leakage;
as shown in fig. 3, the partition valve 403 is in a half-open state, and the partition valve 403 is parallel to the pulling plate 207 when opened, and at this time, the partition valve 403 can isolate the flow of compressed air, and when the partition valve 403 is closed, the moving plate on the partition valve 403 is retracted, and the moving plate is perpendicular to the pulling plate 207.
In the figure, a traction vehicle is arranged in the track beam 4, the traction vehicle comprises two pneumatic frames 2, and the two pneumatic frames 2 drive one vehicle body 1 to move, wherein the number of the pneumatic frames 2 can be more than two; the middle hollow upright 3 is connected with a gas supply device 5 through a gas supply pipeline 501, and a gas discharge valve 402 and a partition valve 403 behind the gas supply device 5 are a first gas discharge valve and a first partition valve in the explanation of fig. 1.
The system mainly utilizes an air supply device 5 to blow compressed air into the track beam 4 through the hollow upright post 3, and the traction plate 207 in the track beam 4 is driven by air acting force, so that the traction function of the vehicle is realized. By adopting the mode of driving the vehicle to run by air flow, the structure of the pneumatic frame 2 can be greatly simplified, complex equipment such as a traction motor, a gear box, a braking device and the like are not required to be arranged, and the structure and the dead weight of the bogie are greatly simplified. Meanwhile, the traditional power supply systems such as a contact net or a third rail are omitted, the illumination and signal control in the vehicle can be powered by a storage battery, and the engineering economy advantage is obvious.
As shown in fig. 4, the hollow upright post 3 connected with the air supply device 5 is communicated with the track beam 4, namely, the track beam 4 is provided with a track beam vent hole 401.
As shown in fig. 5, the track beam 4 is a box-shaped track beam 4 with an opening at the bottom, and a partition plate 404 with a hollow channel is provided in the horizontal direction inside, and the hollow channel is located at the longitudinal center line of the track beam 4. Wherein the traction plate 207 of the pneumatic frame 2 is partially arranged at the upper part of the separation plate 404, and the other parts of the pneumatic frame 2 are arranged at the lower part of the separation plate 404.
As shown in fig. 6, the hollow upright post 3 connected with the air supply device 5 is communicated with the track beam 4, that is, an upright post vent 301 is arranged on the hollow upright post 3.
As shown in fig. 7 and 8, fig. 7 shows a pneumatic rack 2 with a traction plate 207, i.e. a power pneumatic rack 2, and fig. 8 shows a pneumatic rack 2 without a traction plate 207, i.e. a non-power pneumatic rack 2, in this embodiment, a power pneumatic rack 2 is used.
As shown in fig. 9, 10 and 11, which are two-dimensional views of three-dimensional structure of the pneumatic frame 2 of fig. 7, the specific structure of the pneumatic frame 2 shown in fig. 7, 9, 10 and 11 is as follows:
the main parts of the pneumatic frame 2 (including the framework 201, the guide wheels 205, the running wheels 204, the axles 209, the suspension devices 203, the suspension devices 206 and the swing bolster 202) are arranged below the partition 404 in the track beam 4, the swing bolster 202 is arranged above the middle part of the framework 201, the suspension devices 203 are arranged between the swing bolster 202 and the framework 201, and whether other auxiliary suspension devices 203, such as various oil pressure shock absorbers, are adopted or not can be selected according to actual conditions between the axles 209 and the framework 201. The suspension device 203 can effectively attenuate the vibration of the pneumatic frame 2, thereby ensuring the running stability of the vehicle. The top of the suspension device 206 is hinged at the center of the swing bolster 202, and can rotate around the vertical direction relative to the swing bolster 202, and the bottom of the suspension device 206 is connected with the vehicle body 1 below the track beam 4. Each pneumatic frame 2 is provided with four running wheels 204, and the running wheels 204 are vertically arranged at two ends of an axle 209 and run on the inner bottom plate of the box-shaped track beam 4, so that the pneumatic frames 2 and the vehicle body 1 are supported and driven. The guide wheels 205 are horizontally installed at four end corners of the frame 201 and act on the inner side plates of the box-shaped track beam 4, so that the curve passing performance of the vehicle can be ensured in the curve section. The running wheel 204 and the guide wheel 205 can be made of rubber wheels, and have the characteristics of small vibration and noise, strong climbing capacity and the like. The structural arrangement of the pneumatic frame 2 is similar to that of a conventional rolling stock bogie, and other specific connection schemes or embodiments are not described in detail.
The diameter size of the connecting rod 208 is checked according to the air thrust, and the width size of the hollow channel of the partition plate 404 is matched with the diameter of the connecting rod 208.
It should be further noted that in the solution represented in the figures, simplified representation is adopted for the structures related to the prior art (such as the coupling of the frame 201 with the running wheels 204, the guiding wheels 205, etc.), but this should not affect the understanding of the actual connection. It will be apparent that numerous specific arrangements can be resorted to in practice by employing the basic structure of the invention in combination with prior art.
Claims (3)
1. A suspended track beam pneumatic system is characterized by comprising a plurality of hollow upright posts (3) arranged on the ground and a track beam (4) supported by the hollow upright posts (3), wherein the track beam (4) is communicated with the hollow upright posts (3), the inner space of the track beam (4) is used for arranging a pneumatic frame (2) on a traction vehicle, the traction vehicle is suspended below the track beam (4), and the traction vehicle comprises the pneumatic frame (2) and a vehicle body (1);
the end part of the hollow upright post (3) is used for being connected with an air supply device (5), and the speed of the pneumatic frame (2) running in the track beam (4) can be controlled by adjusting the air supply frequency;
a track beam vent hole (401) is formed in the track beam (4);
the hollow upright post (3) is provided with an upright post vent hole (301);
a partition plate (404) is horizontally arranged in the track beam (4), the partition plate (404) divides the interior of the track beam (4) into an upper space and a lower space, the lower space of the track beam (4) is used for arranging a framework (201) and a wheel set of the pneumatic frame (2), and the upper space of the track beam (4) is used for arranging a traction plate (207) and is matched with the cross section of the upper space of the track beam (4) and the shape of the traction plate (207);
the separation plate (404) is provided with a hollow channel which is used for arranging a connecting rod (208) for connecting the traction plate and an axle (209) on the wheel set;
an exhaust valve (402) and a separation valve (403) for blocking the circulation of compressed air are arranged between the track beam (4) and each hollow upright post (3), and the traction and the braking of the traction vehicle can be realized by opening and closing the exhaust valve (402) and the separation valve (403) which are different;
the pneumatic frame (2) on the traction vehicle further comprises a suspension device (206) and a swing bolster (202), one end of the suspension device (206) is hinged to the swing bolster (202), and the other end of the suspension device is fixed to a vehicle body (1) of the traction vehicle;
the swing bolster (202) is arranged on the framework (201);
the pneumatic frame (2) further comprises a suspension device (203), and the swing bolster (202) is arranged on the framework (201) through the suspension device (203);
the pneumatic frame (2) further comprises at least 4 guide wheels (205), the framework (201) comprises 4 end angles, and at least 1 guide wheel (205) is arranged on each end angle;
a sealing device is arranged on the hollow channel;
the sealing device is a rubber block bidirectional overlapping device, rubber blocks are arranged on two sides of the hollow channel, and the rubber blocks on two sides are in bidirectional overlapping with the connecting rod (208) to prevent air leakage.
2. A suspended track girder pneumatic system according to claim 1, characterized in that the hollow upright (3) is a hollow steel upright.
3. The suspended track beam pneumatic system of claim 1, wherein the guide wheels (205) and running wheels (204) on the wheel set are rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910586157.XA CN110182230B (en) | 2019-07-01 | 2019-07-01 | Suspended track beam and pneumatic system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910586157.XA CN110182230B (en) | 2019-07-01 | 2019-07-01 | Suspended track beam and pneumatic system |
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| Publication Number | Publication Date |
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| CN110182230A CN110182230A (en) | 2019-08-30 |
| CN110182230B true CN110182230B (en) | 2024-01-30 |
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