CN110001410B - Chassis structure and magnetic suspension track operation vehicle - Google Patents

Chassis structure and magnetic suspension track operation vehicle Download PDF

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Publication number
CN110001410B
CN110001410B CN201910267273.5A CN201910267273A CN110001410B CN 110001410 B CN110001410 B CN 110001410B CN 201910267273 A CN201910267273 A CN 201910267273A CN 110001410 B CN110001410 B CN 110001410B
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China
Prior art keywords
frame
guide
chassis structure
mounting
assembly
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CN201910267273.5A
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Chinese (zh)
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CN110001410A (en
Inventor
刘飞香
罗建利
朱震寰
史天亮
左后林
魏敬敬
王寒煜
张亚雄
赵祥驰
陈兵生
鲁建伟
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China Railway Construction Heavy Industry Group Co Ltd
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China Railway Construction Heavy Industry Group Co Ltd
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Priority to CN201910267273.5A priority Critical patent/CN110001410B/en
Publication of CN110001410A publication Critical patent/CN110001410A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L13/00—Electric propulsion for monorail vehicles, suspension vehicles or rack railways; Magnetic suspension or levitation for vehicles
    • B60L13/10—Combination of electric propulsion and magnetic suspension or levitation
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/26—Rail vehicles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)

Abstract

The invention provides a chassis structure and a magnetic suspension track operation vehicle, wherein the chassis structure comprises: the device comprises a frame, a first damping component, a drive axle, wheels and a driving device; one side of the first shock absorption assembly is connected with the frame and is positioned below the frame; the drive axle is connected with the other side of the first damping assembly and comprises a drive shaft; the wheels are arranged on the driving shaft; and a power output shaft of the driving device is connected with the drive axle to drive the wheels to rotate. The chassis structure is through setting up first damper assembly between frame and transaxle, and first damper assembly provides reliable shock attenuation effect in vertical direction, ensures the stability of magnetic suspension track operation car operation in-process, reduces the jolt sense of operation equipment and operation personnel on the magnetic suspension track operation car, improves the operation environment of operation equipment effectively, promotes the operation precision of operation equipment to make the operation personnel obtain better comfort level at the operation in-process.

Description

Chassis structure and magnetic suspension track operation vehicle
Technical Field
The invention relates to the technical field of magnetic suspension rails, in particular to a chassis structure and a magnetic suspension rail operation vehicle.
Background
At present, in the process of erecting and daily using a magnetic suspension track, an operation vehicle related to the magnetic suspension track needs to be equipped, and the operation vehicle is used for polling and rescuing the magnetic suspension track; the operation vehicle mainly comprises a tractor and operation equipment, and the tractor pulls the operation equipment to run on the magnetic suspension track.
In the prior art, the transaxle snap-on of tractor is on the frame, and the wheel of tractor provides the shock attenuation for the tractor in vertical direction, but the wheel is for guaranteeing the wearability for the hardness of wheel is higher, so the shock attenuation effect of wheel is relatively poor, has influenced the stationarity of tractor in vertical direction.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
To this end, a first aspect of the invention proposes a chassis structure.
A second aspect of the invention provides a magnetic levitation track work vehicle.
In view of this, a first aspect of the present invention provides a chassis structure, including: the device comprises a frame, a first damping component, a drive axle, wheels and a driving device; one side of the first shock absorption assembly is connected with the frame and is positioned below the frame; the drive axle is connected with the other side of the first damping assembly and comprises a drive shaft; the wheels are arranged on the driving shaft; and a power output shaft of the driving device is connected with the drive axle to drive the wheels to rotate.
According to the chassis structure provided by the invention, the driving device drives the wheels arranged on the driving axle to rotate, so that the magnetic suspension track operation vehicle is driven, the magnetic suspension track operation vehicle can run on the magnetic suspension track, and the operation tasks such as inspection or rescue of the magnetic suspension track are further realized. The chassis structure is through setting up first damper assembly between frame and transaxle, and first damper assembly provides reliable shock attenuation effect in vertical direction, ensures the stability of magnetic suspension track operation car operation in-process, reduces the jolt sense of operation equipment and operation personnel on the magnetic suspension track operation car, improves the operation environment of operation equipment effectively, promotes the operation precision of operation equipment to make the operation personnel obtain better comfort level at the operation in-process.
Preferably, the wheel is a rubber solid wheel, and the wheel is connected with the driving shaft through a flange. The frame includes a plurality of rectangular pipes, and a plurality of rectangular pipes weld each other.
In addition, the chassis structure in the above technical solution provided by the present invention may further have the following additional technical features:
in the above technical solution, preferably, the chassis structure further includes: the guide assembly is connected with the frame and comprises a first guide wheel and a first guide part, and the first guide wheel is arranged on the first guide part; under the condition that the chassis structure is arranged on the magnetic suspension track, the first guide wheel is positioned on the side of the magnetic suspension track.
In the technical scheme, the frame is provided with the guide assembly, the guide assembly comprises a first guide wheel and a first guide part, and when the magnetic suspension track operation vehicle runs on the magnetic suspension track, the first guide wheel is in contact with the side wall of the magnetic suspension track, so that the magnetic suspension track operation vehicle runs along the extension direction of the magnetic suspension track, and the magnetic suspension track operation vehicle is guided. And because the chassis structure is provided with first leading wheel, reduced the frictional force between direction subassembly and the magnetic levitation track, further promoted the stability of magnetic levitation track operation car in the operation process.
Preferably, the number of the guide assemblies is four, and one guide assembly is arranged on each of two sides of the front drive axle and the rear drive axle.
In any of the above technical solutions, preferably, the guide assembly further includes a second guide member and a second guide wheel; the second guide part is connected with the first guide part; the second guide wheel is arranged on the second guide part; and under the condition that the chassis structure is arranged on the magnetic suspension track, the second guide wheel is positioned below the magnetic suspension track.
In the technical scheme, the guide assembly further comprises a second guide component and a second guide wheel, when the magnetic levitation track operation vehicle runs on the magnetic levitation track, the second guide wheel is in contact with the bottom wall of the magnetic levitation track under the condition that the magnetic levitation track operation vehicle is about to turn on the side, the magnetic levitation track provides a downward acting force for the magnetic levitation track operation vehicle, the magnetic levitation track operation vehicle is prevented from turning on the side, and the stability of the magnetic levitation track operation vehicle in the running process is further improved. And because the chassis structure is provided with the second leading wheel, the frictional force between the guide assembly and the magnetic suspension track is reduced, the uneven wear of the wheels can be avoided, and the service life of the wheels is prolonged.
Preferably, the second guide part and the first guide part are of an integral structure, or the second guide part and the first guide part are connected through a connecting piece.
In any of the above technical solutions, preferably, the frame includes a body, a mounting plate and a guide assembly mounting seat, the mounting plate is mounted on a side of the frame and extends along a length direction of the frame, the guide assembly mounting seat is mounted on the mounting plate, and a waist-shaped hole is formed in the guide assembly mounting seat; the chassis structure also comprises a first connecting piece which penetrates through the guide assembly and then is inserted into the waist-shaped hole.
In the technical scheme, the chassis structure is provided with the mounting plate, and the mounting plate is mounted on the side of the frame, so that the appearance of the magnetic suspension track operation vehicle is more attractive. The guide assembly mounting seat is mounted on the mounting plate, and the mounting plate is detachably mounted on the body, so that the guide assembly is more convenient to maintain. Be provided with waist shape hole on the direction subassembly mount pad, peg graft in waist shape downthehole after first connecting piece passes the direction subassembly for the mounted position of direction subassembly is adjustable, has ensured to possess reasonable clearance between direction subassembly and the magnetic suspension track, has promoted the suitability of direction subassembly.
In any of the above technical solutions, preferably, the frame further includes: the lifting lug is screwed on the frame; the detection device mounting seat is connected with the frame.
In the technical scheme, the lifting lugs are screwed on the frame, and when the magnetic suspension track operation vehicle needs to be hoisted, the lifting hooks are hung on the lifting lugs to hoist the magnetic suspension track operation vehicle, so that the magnetic suspension track operation vehicle is simpler and more convenient to hoist. The detection device mounting base is connected with the frame, and when the magnetic suspension track operation vehicle needs to carry detection equipment, the detection equipment is mounted on the detection device mounting base.
Preferably, the detection equipment mounting seats are multiple and are respectively arranged at different positions of the frame; the detection equipment mounting base is provided with a universal interface, so that the detection equipment can be conveniently mounted. The lifting lug is screwed on the guide component mounting seat.
In any of the above technical solutions, preferably, the chassis structure further includes: a stopper, a support plate and an adjusting member; the stop block is connected with the guide component mounting seat; one end of the supporting plate is connected with the guide assembly, and the other end of the supporting plate extends to the side of the stop block and is provided with a threaded hole; the adjusting part is provided with an external thread and contacts with the stop block after penetrating through the threaded hole.
In the technical scheme, the guide assembly is rotatably connected with the guide assembly mounting seat, and when the adjusting part is rotated, the guide assembly rotates relative to the guide assembly mounting seat so as to adjust the gap between the first guide wheel and the magnetic suspension track.
Preferably, the adjustment member is a bolt or screw.
In any of the above technical solutions, preferably, the first shock absorbing assembly includes: the first mounting component, the first elastic component and the second connecting piece; the first mounting component is connected with the frame and is provided with a mounting hole; the first elastic component is arranged in the mounting hole; the second mounting part is connected with the drive axle; the second connecting piece is simultaneously inserted on the second mounting part and the first elastic part.
In this technical scheme, first installation component is connected with the frame, and the second installation component is connected with the transaxle, is provided with first elastomeric element between first installation component and the second installation component, and first elastomeric element makes the vibration that the second installation component transmitted to first installation component reduce, and then promotes the shock attenuation effect of chassis structure.
Preferably, the first elastic member is a rubber bushing or a rubber mount.
In any of the above technical solutions, preferably, the first shock absorbing assembly includes: a third mounting member, a fourth mounting member and a second elastic member; the third mounting component is connected with the frame; the fourth mounting part is connected with the drive axle; the top wall of the second elastic component is attached to the third mounting component, and the bottom wall of the second elastic component is attached to the fourth mounting component.
In this technical scheme, the second elastic component makes the vibration that the fourth installation component transmitted to the third installation component reduce, and then promotes chassis structure's shock attenuation effect.
Preferably, the drive axle comprises a front drive axle and a rear drive axle, and the number of the first shock absorption parts is four, wherein two first shock absorption parts are arranged at two ends of the front drive axle, and two first shock absorption parts are arranged at two ends of the rear drive axle.
In any of the above technical solutions, preferably, the driving device is a motor, and the chassis structure further includes: a battery, a switch and a controller; the storage battery is arranged below the frame and is connected with the power supply end of the motor; the switch is connected in series between the storage battery and the motor; the controller is electrically connected with the control end of the switch to control the switch to be switched on or switched off.
In the technical scheme, the driving device is set as the motor, and the storage battery supplies power to the motor, so that the power source of the magnetic suspension track operation vehicle is more environment-friendly, and the pollution to the working environment is avoided.
Preferably, the switch is a relay. Be provided with the battery mounting bracket on the frame, the battery is installed on the battery mounting bracket.
In any of the above technical solutions, preferably, the transaxle includes: a transmission, differential and brake assembly; the power input shaft of the transmission is connected with a driving device; the differential is connected with a power output shaft of the transmission; the driving shaft comprises two half shafts, and the two half shafts are respectively connected with the differential mechanism; the brake assembly is arranged on at least one of the two half shafts to control the rotation of at least one half shaft to stop.
In the technical scheme, a power input shaft of the transmission is connected with a driving device; the differential is connected with a power output shaft of the transmission, so that the speed of the magnetic suspension track operation vehicle is controlled. The driving shaft comprises two half shafts which are respectively connected with the differential mechanism, and wheels on two sides of the magnetic suspension track operation vehicle have different rotating speeds in the process of completing rotation, so that the stability of the magnetic suspension track operation vehicle in the process of completing rotation is improved. The brake assembly realizes the braking of the magnetic suspension track operation vehicle.
Preferably, the brake assembly is a drum brake, a disc brake, or a disc brake.
A second aspect of the present invention provides a magnetic levitation railway vehicle, comprising a chassis structure according to any of the above technical solutions, so that the magnetic levitation railway vehicle comprises all the beneficial effects of the chassis structure according to any of the above technical solutions.
In the above technical solution, preferably, the magnetic levitation railway working vehicle further includes: a second shock absorbing assembly and a vehicle body; the second damping assembly is connected with the frame and positioned above the frame; the vehicle body is connected with the second damping assembly.
In the technical scheme, the magnetic suspension track operation vehicle further improves the damping effect of the magnetic suspension track operation vehicle by arranging the second damping assembly between the vehicle body and the vehicle frame, and further improves the stability of the magnetic suspension track operation vehicle in the operation process.
Preferably, the magnetic levitation track operation vehicle is a patrol vehicle, a rescue vehicle or a tractor.
Preferably, the number of the second damping parts is six, one second damping part is arranged at each of four corners of the frame, and two second damping parts are arranged at the middle part of the frame in the length direction. The second damping component is a conical rubber supporting seat.
Preferably, the lateral force transmission path of the wheel is a magnetic levitation track → the wheel → the transaxle → the first shock-absorbing assembly → the vehicle frame → the guide assembly → the magnetic levitation track.
Preferably, the magnetic levitation track is an F-track.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 shows a schematic view of a chassis structure according to an embodiment of the invention;
FIG. 2 shows a side view of a chassis structure according to an embodiment of the invention;
FIG. 3 shows a schematic view of a vehicle frame according to an embodiment of the invention;
FIG. 4 illustrates a schematic view of a drive axle according to one embodiment of the present invention;
FIG. 5 illustrates a schematic view of a first shock assembly according to one embodiment of the present invention;
FIG. 6 illustrates a cross-sectional view of a first shock assembly according to one embodiment of the present invention;
FIG. 7 illustrates a schematic view of a first shock assembly according to another embodiment of the present invention;
FIG. 8 illustrates a side view of a first shock assembly according to another embodiment of the present invention;
FIG. 9 illustrates a front view of a first shock assembly according to another embodiment of the present invention;
wherein, the correspondence between the reference numbers and the part names in fig. 1 to 9 is:
the suspension system comprises a frame, 11 lifting lugs, 12 wheels, 14 mounting plates, 15 guide assembly mounting seats, 16 adjusting parts, 17 support plates, 18 blocks, 2 driving axles, 22 transmissions, 24 brake assemblies, 26 half shafts, 3 guide assemblies, 31 first guide parts, 32 first guide wheels, 33 second guide parts, 34 second guide wheels, 4 storage batteries, 5 driving devices, 6 magnetic suspension rails, 7 first damping assemblies, 71 first mounting parts, 72 second mounting parts, 73 first elastic parts, 74 second connecting parts, 75 third mounting parts, 76 fourth mounting parts, 77 second elastic parts and 8 second damping assemblies.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The chassis structure and the magnetic levitation track working vehicle according to some embodiments of the present invention are described below with reference to fig. 1 to 9.
In an embodiment of the first aspect of the present invention, as shown in fig. 1 to 4, the present invention provides a chassis structure including: the frame 1, the first shock absorption assembly 7, the drive axle 2, the wheels 12 and the driving device 5; one side of the first shock absorption assembly 7 is connected with the frame 1 and is positioned below the frame 1; the drive axle 2 is connected with the other side of the first damping assembly 7, and the drive axle 2 comprises a drive shaft; the wheels 12 are mounted on the drive shaft; the power output shaft of the driving device 5 is connected with the drive axle 2 to drive the wheels 12 to rotate.
In this embodiment, the driving device 5 drives the wheels 12 arranged on the drive axle 2 to rotate, so as to drive the magnetic levitation railway working vehicle, and the magnetic levitation railway working vehicle can run on the magnetic levitation railway 6, so as to perform the operation tasks such as inspection or rescue on the magnetic levitation railway 6. The chassis structure is through setting up first damper 7 between frame 1 and transaxle 2, and first damper 7 provides reliable shock attenuation effect in vertical direction, ensures the stability of magnetic suspension track operation car operation in-process, reduces the jolt sense of operation equipment and operation personnel on the magnetic suspension track operation car, improves the operation environment of operation equipment effectively, promotes the operation precision of operation equipment to make the operation personnel obtain better comfort level at the operation in-process.
Preferably, the wheel 12 is a rubber solid wheel 12, and the wheel 12 is connected to the drive shaft by a flange. The frame 1 includes a plurality of rectangular pipes, and a plurality of rectangular pipes are welded to each other.
In one embodiment of the present invention, preferably, as shown in fig. 2, the chassis structure further includes: the guide assembly 3 is connected with the frame 1, the guide assembly 3 comprises a first guide wheel 32 and a first guide part 31, and the first guide wheel 32 is arranged on the first guide part 31; in the case of a chassis structure on the magnetic levitation track 6, the first guide wheels 32 are located on the sides of the magnetic levitation track 6.
In this embodiment, the frame 1 is provided with the guide assembly 3, the guide assembly 3 includes a first guide wheel 32 and a first guide part 31, and when the magnetic levitation railway working vehicle runs on the magnetic levitation railway 6, the first guide wheel 32 contacts with the side wall of the magnetic levitation railway 6, so that the magnetic levitation railway working vehicle runs along the extending direction of the magnetic levitation railway 6, and the magnetic levitation railway working vehicle is guided. And because the chassis structure is provided with the first guide wheel 32, the friction between the guide assembly 3 and the magnetic suspension track 6 is reduced, and the stability of the magnetic suspension track operation vehicle in the operation process is further improved.
Preferably, the number of the guide assemblies 3 is four, and one guide assembly 3 is arranged on each of two sides of the front drive axle and the rear drive axle.
In one embodiment of the present invention, preferably, as shown in fig. 2, the guide assembly 3 further comprises a second guide member 33 and a second guide wheel 34; the second guide member 33 is connected to the first guide member 31; the second guide wheel 34 is mounted on the second guide member 33; the second guide wheel 34 is located below the magnetic levitation track 6, with the chassis structure on the magnetic levitation track 6.
In this embodiment, the guiding assembly 3 further includes a second guiding member 33 and a second guiding wheel 34, when the magnetic levitation railway operation vehicle is about to roll over on the magnetic levitation railway 6, the second guiding wheel 34 contacts with the bottom wall of the magnetic levitation railway 6, and the magnetic levitation railway 6 provides a downward acting force for the magnetic levitation railway operation vehicle, so as to prevent the magnetic levitation railway operation vehicle from rolling over, and further improve the stability of the magnetic levitation railway operation vehicle during operation. And because the chassis structure is provided with the second guide wheel 34, the friction force between the guide assembly 3 and the magnetic suspension track 6 is reduced, the uneven wear of the wheels 12 can be avoided, and the service life of the wheels 12 is prolonged.
Preferably, the second guide member 33 is integrally formed with the first guide member 31, or the second guide member 33 is connected to the first guide member 31 by a connector.
In one embodiment of the present invention, preferably, as shown in fig. 3, the frame 1 includes a body, a mounting plate 14 and a guide assembly mounting seat 15, the mounting plate 14 is mounted on the side of the frame 1 and extends along the length direction of the frame 1, the guide assembly mounting seat 15 is mounted on the mounting plate 14, and a waist-shaped hole is arranged on the guide assembly mounting seat 15; the chassis structure also comprises a first connecting piece which penetrates through the guide component 3 and then is inserted into the waist-shaped hole.
In this embodiment, the chassis structure is provided with the mounting plate 14, and the mounting plate 14 is mounted on the side of the frame 1, so that the appearance of the magnetic levitation railway operation vehicle is more beautiful. The guide assembly mounting seat 15 is mounted on the mounting plate 14, and the mounting plate 14 is detachably mounted on the body, so that the guide assembly 3 is more convenient to maintain. Be provided with waist shape hole on the direction subassembly mount pad 15, peg graft in waist shape downthehole after first connecting piece passes direction subassembly 3 for the mounted position of direction subassembly 3 is adjustable, has ensured to possess reasonable clearance between direction subassembly 3 and the magnetic suspension track 6, has promoted direction subassembly 3's suitability.
In one embodiment of the present invention, preferably, as shown in fig. 3, the frame 1 further includes: the lifting lug 11 is screwed on the frame 1; the detection device mounting base is connected with the frame 1.
In this embodiment, the lifting lug 11 is screwed on the frame 1, and when the magnetic suspension rail operation vehicle needs to be lifted, the lifting hook is hung on the lifting lug 11 to lift the magnetic suspension rail operation vehicle, so that the magnetic suspension rail operation vehicle is lifted more simply and conveniently. The detection device mounting base is connected with the frame 1, and when the magnetic suspension track operation vehicle needs to carry detection equipment, the detection equipment is mounted on the detection device mounting base.
Preferably, a plurality of detection equipment mounting seats are respectively arranged on different positions of the frame 1; the detection equipment mounting base is provided with a universal interface, so that the detection equipment can be conveniently mounted. The lifting lug 11 is screwed to the guide assembly mounting seat 15.
In one embodiment of the present invention, preferably, as shown in fig. 2 and 3, the chassis structure further includes: a stopper 18, a support plate 17 and an adjusting member 16; the stop block 18 is connected with the guide component mounting seat 15; one end of the supporting plate 17 is connected with the guide component 3, and the other end of the supporting plate 17 extends to the side of the stop block 18 and is provided with a threaded hole; the adjustment member 16 is provided with an external thread, and the adjustment member 16 passes through the threaded hole and contacts the stopper 18.
In this embodiment, the guide assembly 3 is rotatably connected to the guide assembly mounting base 15, and when the adjusting member 16 is rotated, the guide assembly 3 is rotated relative to the guide assembly mounting base 15, thereby adjusting the gap between the first guide wheel 32 and the magnetic levitation track 6.
Preferably, the adjustment member 16 is a bolt or screw.
In one embodiment of the present invention, preferably, as shown in fig. 5 and 6, the first shock absorbing assembly 7 includes: a first mounting member 71, a first elastic member 73 and a second link 74; the first mounting component 71 is connected with the frame 1, and a mounting hole is formed in the first mounting component 71; the first elastic member 73 is mounted in the mounting hole; the second mounting part 72 is connected with the drive axle 2; the second connecting member 74 is simultaneously inserted into the second mounting part 72 and the first elastic part 73.
In this embodiment, the first mounting part 71 is connected with the frame 1, the second mounting part 72 is connected with the transaxle 2, and the first elastic part 73 is arranged between the first mounting part 71 and the second mounting part 72, so that the vibration transmitted from the second mounting part 72 to the first mounting part 71 is reduced by the first elastic part 73, and the damping effect of the chassis structure is further improved.
Preferably, the first elastic member 73 is a rubber bushing or a rubber mount.
In one embodiment of the present invention, preferably, as shown in fig. 7 to 9, the first shock absorbing assembly 7 includes: a third mounting member 75, a fourth mounting member 76, and a second elastic member 77; the third mounting member 75 is connected to the frame 1; the fourth mounting member 76 is connected to the transaxle 2; the top wall of the second elastic member 77 is attached to the third mounting member 75, and the bottom wall of the second elastic member 77 is attached to the fourth mounting member 76.
In this embodiment, the second elastic member 77 reduces the vibration transmitted from the fourth mounting member 76 to the third mounting member 75, thereby enhancing the shock-absorbing effect of the chassis structure.
Preferably, the drive axle 2 includes a front drive axle and a rear drive axle, and the number of the first shock absorbing members is four, wherein two first shock absorbing members are disposed at two ends of the front drive axle, and two first shock absorbing members are disposed at two ends of the rear drive axle.
In one embodiment of the present invention, preferably, as shown in fig. 4, the driving device 5 is a motor, and the chassis structure further includes: a storage battery 4, a switch and a controller; the storage battery 4 is arranged below the frame 1 and is connected with the power supply end of the motor; the switch is connected in series between the storage battery 4 and the motor; the controller is electrically connected with the control end of the switch to control the switch to be switched on or switched off.
In the embodiment, the driving device 5 is set as a motor, and the storage battery 4 supplies power to the motor, so that the power source of the magnetic suspension track operation vehicle is more environment-friendly, and the pollution to the working environment is avoided.
Preferably, the switch is a relay. The frame 1 is provided with a storage battery mounting frame, and the storage battery 4 is mounted on the storage battery mounting frame.
In one embodiment of the present invention, preferably, as shown in fig. 2, the transaxle 2 includes: a transmission 22, a differential and brake assembly 24; the power input shaft of the transmission 22 is connected with the driving device 5; the differential is connected with a power output shaft of the transmission 22; the drive shaft comprises two half shafts 26, and the two half shafts 26 are respectively connected with the differential mechanism; the brake pack 24 is disposed on at least one of the two half shafts 26, to control the rotation of at least one of the half shafts 26 to stop.
In this embodiment, the power input shaft of the transmission 22 is connected with the drive device 5; the differential is connected with the power output shaft of the transmission 22 to realize the speed control of the magnetic suspension track operation vehicle. The driving shaft comprises two half shafts 26, the two half shafts 26 are respectively connected with the differential, and the wheels 12 on the two sides have different rotating speeds in the rotating process of the magnetic suspension rail operation vehicle, so that the stability of the magnetic suspension rail operation vehicle in the rotating process is improved. The brake assembly 24 effects braking of the magnetic levitation track work vehicle.
Preferably, the brake assembly 24 is a drum brake, a disc brake, or a disc brake.
In an embodiment of the second aspect of the invention, the invention provides a magnetic levitation railway vehicle comprising a chassis structure as described in any of the above embodiments, whereby the magnetic levitation railway vehicle comprises all the advantageous effects of the chassis structure as described in any of the above embodiments.
In one embodiment of the present invention, preferably, as shown in fig. 3, the magnetic levitation track working vehicle further comprises: a second cushion assembly 8 and a vehicle body; the second shock absorption assembly 8 is connected with the frame 1 and is positioned above the frame 1; the vehicle body is connected with a second shock absorbing component 8.
In this embodiment, the magnetic levitation railway operation vehicle further improves the damping effect of the magnetic levitation railway operation vehicle by arranging the second damping assembly 8 between the vehicle body and the vehicle frame 1, thereby improving the stability of the magnetic levitation railway operation vehicle in the operation process.
Preferably, the magnetic levitation track operation vehicle is a patrol vehicle, a rescue vehicle or a tractor.
Preferably, the number of the second shock absorbing members is six, one second shock absorbing member is arranged at each of four corners of the frame 1, and two second shock absorbing members are arranged at the middle part of the frame 1 in the length direction. The second damping component 8 is a conical rubber support seat.
Preferably, the lateral force transmission path of the wheel 12 is the magnetic levitation track 6 → the wheel 12 → the transaxle 2 → the first damping assembly 7 → the vehicle frame 1 → the guide assembly 3 → the magnetic levitation track 6.
Preferably, the magnetic levitation track 6 is an F-track.
In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In the present invention, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (11)

1. A chassis structure, comprising:
a frame;
one side of the first shock absorption assembly is connected with the frame and is positioned below the frame;
the drive axle is connected with the other side of the first damping assembly and comprises a drive shaft;
a wheel mounted on the drive shaft;
the power output shaft of the driving device is connected with the drive axle so as to drive the wheels to rotate;
the first shock absorbing assembly includes:
the first mounting component is connected with the frame and is provided with a mounting hole;
a first elastic member installed in the installation hole;
a second mounting member connected to the transaxle;
and the second connecting piece is simultaneously inserted and connected to the second mounting part and the first elastic part.
2. The chassis structure of claim 1, further comprising:
the guide assembly is connected with the frame and comprises a first guide wheel and a first guide part, and the first guide wheel is arranged on the first guide part;
and under the condition that the chassis structure is arranged on a magnetic suspension track, the first guide wheel is positioned on the side of the magnetic suspension track.
3. The chassis structure of claim 2, wherein the guide assembly further comprises:
a second guide member connected with the first guide member;
a second guide wheel mounted on the second guide member;
wherein the second guide wheel is located below the magnetic levitation track based on the chassis structure being placed on the magnetic levitation track.
4. Chassis structure according to claim 2,
the frame comprises a body, a mounting plate and a guide component mounting seat, wherein the mounting plate is mounted on the side of the frame and extends along the length direction of the frame, the guide component mounting seat is mounted on the mounting plate, and a waist-shaped hole is formed in the guide component mounting seat;
the chassis structure further comprises a first connecting piece, and the first connecting piece penetrates through the guide assembly and then is inserted into the waist-shaped hole.
5. The chassis structure of claim 4, wherein the frame further comprises:
the lifting lug is screwed on the frame;
the detection device mounting seat is connected with the frame.
6. The chassis structure of claim 4, further comprising:
the stop block is connected with the guide component mounting seat;
one end of the supporting plate is connected with the guide assembly, and the other end of the supporting plate extends to the side of the stop block and is provided with a threaded hole;
the adjusting component is provided with an external thread and contacts with the stop dog after penetrating through the threaded hole.
7. The chassis structure of claim 1, wherein the first shock absorbing assembly comprises:
a third mounting member connected to the frame;
a fourth mounting member connected to the transaxle;
and the top wall of the second elastic component is attached to the third mounting component, and the bottom wall of the second elastic component is attached to the fourth mounting component.
8. The chassis structure of claim 1, wherein the drive device is a motor, the chassis structure further comprising:
the storage battery is arranged below the frame and is connected with the power supply end of the motor;
a switch connected in series between the battery and the motor;
and the controller is electrically connected with the control end of the switch so as to control the switch to be switched on or switched off.
9. The chassis structure of claim 1, wherein the transaxle includes:
the power input shaft of the transmission is connected with the driving device;
a differential connected with a power output shaft of the transmission;
the driving shaft comprises two half shafts which are respectively connected with the differential mechanism;
the brake assembly is arranged on at least one half shaft of the two half shafts to control the at least one half shaft to stop rotating.
10. A magnetic levitation track work vehicle, comprising: the floor structure of any one of claims 1 to 9.
11. The magnetic levitation track work vehicle as recited in claim 10, further comprising:
the second damping assembly is connected with the frame and is positioned above the frame;
the vehicle body is connected with the second damping assembly.
CN201910267273.5A 2019-04-03 2019-04-03 Chassis structure and magnetic suspension track operation vehicle Active CN110001410B (en)

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CN112298239B (en) * 2020-11-01 2022-02-01 成都西交领创科技有限公司 Middle-arranged long-stator high-speed permanent magnet maglev train suspension frame and running system

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CN101549696B (en) * 2009-05-12 2011-08-17 重庆交通大学 Small straddle-type monorail transportation system safety inspection vehicle
KR101173485B1 (en) * 2010-02-22 2012-08-14 현대로템 주식회사 Crush energy absorbent structrue for railway vehicle having slip type end structure and crush energy absorbent device
CN104554290B (en) * 2014-12-25 2017-05-03 中车太原机车车辆有限公司 Straddle type single-track operating vehicle with four-wheel-pair structure
CN104670041A (en) * 2015-03-10 2015-06-03 南车株洲电力机车有限公司 Magnetic suspension railcar and running mechanism thereof
CN205044740U (en) * 2015-09-07 2016-02-24 中铁武汉电气化局集团科工装备有限公司 Unpowered tool car of magnetic suspension track
CN206107246U (en) * 2016-08-31 2017-04-19 中铁第四勘察设计院集团有限公司 Well low -speed maglev F rail detects running gear of usefulness
CN207389207U (en) * 2017-11-06 2018-05-22 株洲名扬橡塑有限公司 A kind of tramcar bogie auxiliary rubber spring

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