CN213768572U - Virtual rail train instability protection device for failure of inflatable elastic element - Google Patents
Virtual rail train instability protection device for failure of inflatable elastic element Download PDFInfo
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- CN213768572U CN213768572U CN202022513728.8U CN202022513728U CN213768572U CN 213768572 U CN213768572 U CN 213768572U CN 202022513728 U CN202022513728 U CN 202022513728U CN 213768572 U CN213768572 U CN 213768572U
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- 238000012806 monitoring device Methods 0.000 claims abstract description 12
- 230000033001 locomotion Effects 0.000 claims abstract description 10
- 239000000725 suspension Substances 0.000 claims description 13
- 241000252254 Catostomidae Species 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 241000024852 Huberantha Species 0.000 description 1
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Abstract
The utility model particularly relates to a towards the virtual rail train unstability protection device that aerifys elastic element inefficacy, connect through an end part hinge structure respectively between the carriage, set up locking means in the end part hinge structure, when locking means moves, restrict the mutual yaw motion between first carriage and the second carriage, or between second carriage and the third carriage; when the tire pressure of one side of one compartment of the virtual rail train is too low or broken, or the pressure of the air spring on one side is too low or broken, the tire pressure monitoring device of the compartment or the pressure sensor of the air spring sends a signal to the single chip microcomputer to control the locking device arranged on the end part hinge structure connected with the front and the back of the compartment to act, the compartment with an accident and the adjacent compartments in the front and the back of the compartment are prevented from mutually swinging, the excessive swinging angle of the compartment with the accident to one side is prevented, meanwhile, the braking system receives the instruction of the single chip microcomputer and emergently stops the vehicle, and the driving safety of the virtual rail train is effectively improved.
Description
Technical Field
The utility model relates to a virtual rail train technical field, concretely relates to towards the virtual rail train unstability protection device that aerifys elastic element inefficacy.
Background
The virtual rail train project is started just at home and abroad at present, and the virtual rail train project is structurally characterized in that a plurality of single carriages are hinged with each other to form a train, an active steering device is arranged at the lower part of each single carriage during running, and running tracks of the single carriages in the train run according to a preset route through environment recognition and active steering control, so that the guiding and limiting effect of the track can be cancelled, and the virtual rail train has great advantages in cost without building the track relative to light rails and low-floor vehicles; the virtual rail train consists of 3 groups, the length of the virtual rail train can reach 30-40m and longer, and compared with an articulated bus, the virtual rail train consists of longer length and larger passenger capacity; in order to drive on urban or suburban roads, the steering device of the virtual rail train is different from the steering device of the articulated bus, all axles of the virtual rail train are steering axles, the turning angle of a steering wheel in each steering axle is calculated in advance during steering, and the steering angle of each vehicle is controlled by an automatic steering mechanism according to the calculation result.
However, when the virtual rail train runs in a city or suburb, the length of the virtual rail train is long, and when the road has vertical unevenness or a continuous concave-convex ramp, each car of the train has a pitching phenomenon, so that the change of the pitching angle of each single car of the virtual rail train is large, and in order to realize that the pitching angle between adjacent cars can be adjusted within a certain range, a hinged connection device is usually arranged. The multi-marshalling virtual rail train connected by the connecting device has the advantages that the dynamic performance of the rear second carriage and the rear third carriage is poorer than that of the first carriage, the transverse instability is easy to occur, when the train runs at high speed, if the tires or air suspension springs on one sides of the second carriage and the third carriage leak or break, the single carriage instantaneously tilts, the dynamic performance is rapidly and suddenly deteriorated, the possibility of the transverse instability of the train is further increased, in addition, a driver is positioned in the first carriage, the real-time state of the rear train is difficult to observe and perceive, even if the instability of the rear train is discovered, the steering of the rear train cannot be directly controlled because the steering wheel only directly controls the steering of the wheels of the first shaft, the problem that the steering of the rear wheel in the instability state cannot be stably realized by the existing multi-shaft steering algorithm, the phenomena that the train rapidly tilts, and collides with road traffic facilities or collides with other vehicles are easily, causing fatal traffic safety accidents.
Disclosure of Invention
The utility model aims at providing a virtual rail train unstability protection device that can adapt to the sudden failure of inflatable elastic elements such as air spring or tire.
In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows: the instability protection device is arranged on the virtual rail train, the virtual rail train is in a three-marshalling mode, front and rear suspensions of a chassis of each carriage in the three-marshalling mode are air suspensions, the front and rear parts of the chassis of each carriage are respectively connected with a transverse driving motor through bolts, and the driving motors are connected with driving wheels through speed reducers and limited slip differentials to enable each carriage to form a four-wheel drive type vehicle; a tire pressure monitoring device is arranged on a tire of each carriage; the left air spring and the right air spring of each carriage suspension are respectively provided with an air spring pressure monitoring device; the driving motor is connected with the power battery through a lead, and the power battery is placed at the bottom of the train floor; the virtual rail train respectively numbers the single carriages as a first carriage, a second carriage and a third carriage from a carriage at one end of the train to a carriage at the other end of the train;
the first carriage and the second carriage and the third carriage are respectively connected through an end part hinge structure, and the carriages are allowed to horizontally rotate for a certain angle around a vertical axis and pitch for a certain angle;
the end part hinge structure comprises a fixed disc, a hinge disc and a turntable for connecting the fixed disc and the hinge disc;
one end of the fixed disc is fixedly connected with a front end cross beam or a rear end cross beam of the second carriage, and one end of the hinged disc is hinged with a rear end cross beam of the first carriage or a front end cross beam of the third carriage and can do pitching motion around a horizontal transverse axis;
the fixed disc is positioned below the hinged disc, the upper surface of the fixed disc is provided with a lower disc body of the rotary disc in a bolt connection mode, and the lower surface of the hinged disc is provided with an upper disc body of the rotary disc in a bolt connection mode; the fixed disc and the hinged disc can mutually perform transverse swinging movement;
the end part hinge structure is provided with a locking device, and when the locking device acts, the mutual yaw motion between the first carriage and the second carriage or between the second carriage and the third carriage is limited;
the locking device comprises an annular electromagnetic clutch, the clutch is sleeved outside the turntable, the front surfaces of two suckers of the clutch are oppositely arranged and a certain gap is reserved, and the gap value range is 0.5mm-1.5 mm; the back surfaces of the two suckers are respectively bonded with a circular ceramic material or plastic material insulating plate, and the insulating plates are bonded on the upper surface of the fixed disc and the lower surface of the hinged disc;
a control wire of the clutch is in communication connection with a signal input end of the single chip microcomputer, and a power wire of the clutch is connected with a wire output end of the power battery; and the signal output end of the singlechip is also in communication connection with the signal input end of a tire pressure monitoring device of a carriage and an air spring pressure sensor arranged in an air spring suspension.
Preferably, the end hinge structure is a hubera hinge HNGK 19.5 eco-type hinge device.
Preferably, the single chip microcomputer is an AT89C52 single chip microcomputer or an STM32 single chip microcomputer, and the clutch is a clutch used in an automobile double-clutch transmission or a clutch used in a central limited slip differential; the turntable 30 is a draw bar trailer turntable specified in JT/T651-2006 standard or a full trailer turntable specified in JT 3136.1-1989 standard.
The utility model discloses following beneficial effect has: when the tire pressure of one side of one compartment of the virtual rail train is too low or broken, or the pressure of the air spring on one side is too low or broken, the tire pressure monitoring device of the compartment or the pressure sensor of the air spring sends a signal to the single chip microcomputer to control the locking device arranged on the end part hinge structure connected with the front and the back of the compartment to act, so that the compartment with an accident and the adjacent compartments in the front and the back of the compartment with the accident are prevented from mutually swinging, the adjacent front vehicle or the common adjacent front and back vehicles of the compartment with the accident can provide certain rigid constraint for the vehicle with the accident, the excessive swinging angle of the compartment with the accident to one side is prevented, meanwhile, the single chip microcomputer controls the braking system, the braking system acts and emergently stops, and the driving safety of the virtual rail train is.
Drawings
FIG. 1 is a virtual rail train owner view;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a front view of a mounting plate configuration;
FIG. 4 is a front view of the hinge plate configuration;
FIG. 5 is an exploded view of the end hinge structure;
fig. 6 is a schematic diagram of the connection of the single chip microcomputer.
Detailed Description
As shown in fig. 1 to 6, the virtual rail train instability protection device facing failure of an inflatable elastic element is mounted on a virtual rail train, the virtual rail train is in a three-marshalling mode, front and rear suspensions of a chassis of each carriage in the three-marshalling mode are air suspensions, the front and rear parts of the chassis of each carriage are respectively connected with a transverse driving motor through bolts, and the driving motors are connected with driving wheels through a speed reducer and a limited slip differential, so that each carriage forms a four-wheel drive vehicle; a tire pressure monitoring device is arranged on a tire of each carriage; the left air spring and the right air spring of each carriage suspension are respectively provided with an air spring pressure monitoring device; the power driving motor is connected with the power battery through a wire, and the power battery is placed at the bottom of the train floor; the virtual rail train respectively numbers the single carriages as a first carriage 1, a second carriage 2 and a third carriage 3 from a carriage at one end of the train to a carriage at the other end;
the first carriage 1 and the second carriage 2 and the third carriage 3 are respectively connected through an end part hinge structure 5, and the carriages are allowed to horizontally rotate for a certain angle around a vertical axis and tilt for a certain angle;
the end part hinge structure 5 comprises a fixed disc 10, a hinge disc 20 and a rotary disc 30 for connecting the fixed disc 10 and the hinge disc 20;
one end of the fixed disc 10 is fixedly connected with a front end cross beam or a rear end cross beam of the second carriage 2, and one end of the hinged disc 20 is hinged with a rear end cross beam of the first carriage 1 or a front end cross beam of the third carriage 3 and can do pitching motion around a horizontal transverse axis;
the fixed disk 10 is positioned below the hinged disk 20, the upper surface of the fixed disk 10 is provided with a lower disk body of the turntable 30 in a bolt connection mode, and the lower surface of the hinged disk 20 is provided with an upper disk body of the turntable 30 in a bolt connection mode; the fixed disk 10 and the hinged disk 20 can perform mutual swinging movement;
the end part hinge structure 5 is provided with a locking device which limits the mutual yaw movement between the first carriage 1 and the second carriage 2 or between the second carriage 2 and the third carriage 3 when the locking device is operated;
the locking device comprises an annular electromagnetic clutch 90, the clutch 90 is sleeved on the outer side of the turntable 30, the front faces of two suckers of the clutch 90 are arranged oppositely, the back faces of the two suckers are respectively bonded with an annular ceramic material or plastic material insulating plate, and the insulating plates are bonded on the upper surface of the fixed disc 10 and the lower surface of the hinged disc 20;
the control wire of the clutch 90 is in communication connection with the signal input end of the singlechip 40, and the power wire of the clutch 90 is connected with the wire output end of the power battery; the signal output end of the single chip microcomputer 40 is also in communication connection with the signal input end of a tire pressure monitoring device 41 of a carriage and an air spring pressure sensor 42 arranged in an air spring suspension.
The single chip microcomputer 40 is an AT89C52 single chip microcomputer or an STM32 single chip microcomputer, and the clutch 90 is a clutch used in an automobile double-clutch transmission or a clutch used in a central limited slip differential; the turntable 30 is a draw bar trailer turntable specified in JT/T651-2006 standard or a full trailer turntable specified in JT 3136.1-1989 standard.
The end hinge structure 5 may also be a HNGK 19.5 eco-type hinge device available from the tiger bera hinge company.
The end part hinge structure 5 can also be arranged by itself, a scheme is provided in the application, the fixed disc 10 comprises a horizontally placed trapezoid flat plate 11, two bottom edges of the trapezoid flat plate 11 are fixedly connected with a cross beam at the front end of the second carriage 2 through bolts, a first circular hole part 12 is arranged at the top edge of the trapezoid flat plate 11, bolt holes which are arranged in an annular mode are arranged on the periphery of the first circular hole part 12, a triangular part 13 is arranged at the edge of the first circular hole part 12, which is close to the middle part of the trapezoid flat plate 11, a central hole 15 is arranged at the vertex of the triangular part 13, and the central hole 15 and the first circular hole part 12 are arranged concentrically;
the hinged disc 20 comprises a horizontally placed rectangular flat plate 21, two pin holes 22 are respectively formed in two ends of a short side of the rectangular flat plate 21 and are arranged along the transverse direction of the virtual rail train, pin shafts 23 penetrate into the pin holes, two ends of each pin shaft 23 are respectively sleeved with a bearing, the bearings are installed in bearing seats arranged on a cross beam at the end of the rear portion of the first carriage 1, a second round hole portion 24 is formed in the middle of the rectangular flat plate 21 close to the other short side, bolt holes which are arranged in an annular mode are formed in the periphery of the second round hole portion 24, and two ends of the middle of the rectangular flat plate 21 are connected with the rod end of a piston rod of the steering damper 14 through hinges;
the fixed disk 10 is placed below the hinge plate 20, such that the first circular hole portion 12 and the second circular hole portion 24 are concentric, the rotary plate 30 is placed between the first circular hole portion 12 and the second circular hole portion 24, bolt holes at respective peripheries of the first circular hole portion 12 and the second circular hole portion 24 are respectively connected with a lower rotary plate body and an upper rotary plate body of the rotary plate 30 through bolts, and the rotary plate 30 is installed between the first circular hole portion 12 and the second circular hole portion 24.
When the virtual rail train normally and linearly runs, the clutch 90 is in a disconnected state, the virtual rail train can normally and linearly run and also can normally turn, and when the virtual rail train turns, the adjacent carriages transversely swing with each other through the end part hinge structure 5 to realize turning.
When the virtual rail train runs forwards and meets a longitudinal uneven road surface, the first carriage 1 can pitch, at the moment, the front part of the first carriage 1 is lifted up or lowered down, at the moment, the first carriage 1 rotates around the tail part of the first carriage in a vertical plane, the second carriage 2 can still stably run, and similarly, the angle between the second carriage 2 and the third carriage 3 in the longitudinal vertical plane can be changed in real time according to the road condition, so that the virtual rail train can still normally run when running under the longitudinal uneven road surface, and the end part hinge structure 5 is stressed normally and cannot be damaged;
when the tire pressure of one carriage of the virtual rail train is too low or is broken, or the pressure of an air spring on one carriage is too low or is broken, a relatively serious mutual yaw phenomenon can occur between adjacent carriages, and the yaw is not controlled; at the moment, the pressure monitoring device of the carriage or the pressure sensor of the air spring sends a signal to the singlechip 40, the singlechip 40 controls all locking devices to act, the clutch 90 is locked, the transverse swing between the first carriage 1 and the second carriage 2 and between the second carriage 2 and the third carriage 3 is limited, the adjacent normal carriages provide rigid constraint for the accident carriage, meanwhile, the braking system receives the signal of the sensor to perform emergency braking and stop, and the driving safety of the virtual rail train is effectively improved.
Claims (3)
1. The instability protection device is arranged on the virtual rail train, the virtual rail train is in a three-marshalling mode, front and rear suspensions of a chassis of each carriage in the three-marshalling mode are air suspensions, the front and rear parts of the chassis of each carriage are respectively connected with a transverse driving motor through bolts, and the driving motors are connected with driving wheels through speed reducers and limited slip differentials to enable each carriage to form a four-wheel drive type vehicle; a tire pressure monitoring device is arranged on a tire of each carriage; the left air spring and the right air spring of each carriage suspension are respectively provided with an air spring pressure monitoring device; the driving motor is connected with the power battery through a lead, and the power battery is placed at the bottom of the train floor; the virtual rail train respectively numbers the single carriages as a first carriage (1), a second carriage (2) and a third carriage (3) from a carriage at one end of the train to a carriage at the other end;
the first carriage (1) and the second carriage (2) and the third carriage (3) are respectively connected through an end part hinge structure (5), and the carriages are allowed to horizontally rotate for a certain angle around a vertical axis and pitch for a certain angle;
the end part hinge structure (5) comprises a fixed disc (10), a hinge disc (20) and a turntable (30) for connecting the fixed disc (10) and the hinge disc (20);
one end of the fixed disc (10) is fixedly connected with a front end cross beam or a rear end cross beam of the second carriage (2), and one end of the hinged disc (20) is hinged with a rear end cross beam of the first carriage (1) or a front end cross beam of the third carriage (3) and can do pitching motion around a horizontal transverse axis;
the fixed disc (10) is positioned below the hinged disc (20), the upper surface of the fixed disc (10) is provided with a lower disc body of the turntable (30) in a bolt connection mode, and the lower surface of the hinged disc (20) is provided with an upper disc body of the turntable (30) in a bolt connection mode; the fixed disc (10) and the hinged disc (20) can perform horizontal swinging movement mutually;
the method is characterized in that: a locking device is arranged in the end part hinged structure (5), and when the locking device acts, the mutual yaw motion between the first carriage (1) and the second carriage (2) or between the second carriage (2) and the third carriage (3) is limited;
the locking device comprises an annular electromagnetic clutch (90), the clutch (90) is sleeved on the outer side of the turntable (30), the front faces of two suckers of the clutch (90) are oppositely arranged and a certain gap is reserved, and the gap value range is 0.5mm-1.5 mm; the back surfaces of the two suckers are respectively bonded or buckled with a circular ceramic material or plastic material insulating plate, and the insulating plates are fixed on the upper surface of the fixed disc (10) and the lower surface of the hinged disc (20) in a bonding or buckling connection mode;
a control lead of the clutch (90) is in communication connection with a signal input end of the singlechip (40), and a power cord of the clutch (90) is connected with a lead output end of the power battery; and the signal output end of the singlechip (40) is also in communication connection with the signal input end of a tire pressure monitoring device (41) of a carriage and an air spring pressure sensor (42) arranged in an air spring suspension.
2. The virtual rail train instability protection device oriented to failure of an inflatable elastic element according to claim 1, characterized in that: the end part hinge structure (5) is an HNGK 19.5 eco-type hinge device of Huberra hinge company.
3. The virtual rail train instability protection device oriented to failure of an inflatable elastic element according to claim 1, characterized in that: the single chip microcomputer (40) is an AT89C52 single chip microcomputer or an STM32 single chip microcomputer, and the clutch (90) is a clutch used in an automobile double-clutch transmission or a clutch used in a central limited slip differential; the turntable 30 is a draw bar trailer turntable specified in JT/T651-2006 standard or a full trailer turntable specified in JT 3136.1-1989 standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022513728.8U CN213768572U (en) | 2020-11-04 | 2020-11-04 | Virtual rail train instability protection device for failure of inflatable elastic element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022513728.8U CN213768572U (en) | 2020-11-04 | 2020-11-04 | Virtual rail train instability protection device for failure of inflatable elastic element |
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| Publication Number | Publication Date |
|---|---|
| CN213768572U true CN213768572U (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022513728.8U Expired - Fee Related CN213768572U (en) | 2020-11-04 | 2020-11-04 | Virtual rail train instability protection device for failure of inflatable elastic element |
Country Status (1)
| Country | Link |
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| CN (1) | CN213768572U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114407960A (en) * | 2022-01-19 | 2022-04-29 | 中车株洲电力机车有限公司 | Real-time adjusting system and adjusting method for articulation of rail vehicle workshop |
| CN114407956A (en) * | 2022-01-19 | 2022-04-29 | 中车株洲电力机车有限公司 | Real-time adjusting system and adjusting method for suspension spring of railway vehicle |
-
2020
- 2020-11-04 CN CN202022513728.8U patent/CN213768572U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114407960A (en) * | 2022-01-19 | 2022-04-29 | 中车株洲电力机车有限公司 | Real-time adjusting system and adjusting method for articulation of rail vehicle workshop |
| CN114407956A (en) * | 2022-01-19 | 2022-04-29 | 中车株洲电力机车有限公司 | Real-time adjusting system and adjusting method for suspension spring of railway vehicle |
| CN114407960B (en) * | 2022-01-19 | 2023-02-10 | 中车株洲电力机车有限公司 | Real-time adjusting system and adjusting method for articulation of rail vehicle workshop |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210723 |