CN110341802B - Multifunctional hydraulic drive railway special-purpose vehicle chassis - Google Patents
Multifunctional hydraulic drive railway special-purpose vehicle chassis Download PDFInfo
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- CN110341802B CN110341802B CN201910610259.0A CN201910610259A CN110341802B CN 110341802 B CN110341802 B CN 110341802B CN 201910610259 A CN201910610259 A CN 201910610259A CN 110341802 B CN110341802 B CN 110341802B
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- oil cylinder
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- vertical telescopic
- transverse
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- 239000003638 chemical reducing agent Substances 0.000 claims description 17
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 29
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001669679 Eleotris Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/02—Dead axles, i.e. not transmitting torque
- B60B35/10—Dead axles, i.e. not transmitting torque adjustable for varying track
- B60B35/1036—Dead axles, i.e. not transmitting torque adjustable for varying track operated with power assistance
- B60B35/1054—Dead axles, i.e. not transmitting torque adjustable for varying track operated with power assistance hydraulically
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60F—VEHICLES FOR USE BOTH ON RAIL AND ON ROAD; AMPHIBIOUS OR LIKE VEHICLES; CONVERTIBLE VEHICLES
- B60F1/00—Vehicles for use both on rail and on road; Conversions therefor
- B60F1/04—Vehicles for use both on rail and on road; Conversions therefor with rail and road wheels on different axles
- B60F1/043—Vehicles comprising own propelling units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/18—Understructures, i.e. chassis frame on which a vehicle body may be mounted characterised by the vehicle type and not provided for in groups B62D21/02 - B62D21/17
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/10—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by type of power unit
- B62D5/12—Piston and cylinder
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The invention discloses a multifunctional hydraulic drive railway special vehicle chassis, and belongs to the technical field of engineering equipment for railway construction. The device consists of a transverse telescopic beam mechanism, a vertical telescopic walking supporting mechanism, a tire walking mechanism, a frame assembly, a rotary support, a steering mechanism and a chassis. The transverse telescopic beam mechanism is arranged, so that the chassis with the changeable wheel track is realized; a vertical telescopic walking supporting mechanism is arranged to realize a vehicle chassis with a liftable height; the tire travelling mechanism is connected with the vertical telescopic travelling supporting mechanism through the rotary support, so that the front and rear wheels can turn and the transverse travelling can be realized; the steering mechanism is arranged to realize the purpose that the left wheel and the right wheel are simultaneously steered and the front wheel and the rear wheel can be simultaneously steered. The invention can adapt to different road conditions in the construction of high-speed railways and subways, improves the construction efficiency, reduces the input cost by adapting to different road conditions for one vehicle, is more economical and practical, and has low maintenance cost and wide applicability.
Description
Technical Field
The invention relates to the technical field of engineering equipment for railway construction, in particular to a multifunctional hydraulic driving special vehicle chassis for high-speed railway and subway construction.
Background
Along with the rapid development of high-speed railways and subways in China, the railway construction needs a multifunctional and efficient special vehicle urgently, and according to the characteristics of most of construction on bridges and in tunnels, such as a track laying tractor, a track changing tractor, a sleeper laying special vehicle, a crane and the like, the track is required to be variable to adapt to construction of different railway ballast widths, and meanwhile, the railway construction is also suitable for highway transportation; the chassis of the vehicle can be lifted, and simultaneously, tire walking and rail walking are satisfied; front and rear tires can turn to adapt to road walking; the vehicle needs to be capable of running transversely, and the aim of self-track-crossing construction is fulfilled.
Disclosure of Invention
Aiming at the existing high-speed railway and subway construction, the invention designs a multifunctional special vehicle chassis with variable wheel base, liftable chassis height, steerable front and rear wheels and transverse running, which is suitable for different working conditions, is suitable for railway construction and subway construction environments, achieves the purposes of conveniently and rapidly completing the paving construction of high-speed railway rails, the rail changing construction of high-speed railway and the operation construction of a special vehicle-mounted crane for subway, is convenient for transportation, and can greatly improve the construction efficiency.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
a multifunctional hydraulic drive railway special-purpose vehicle chassis consists of a transverse telescopic beam mechanism, a vertical telescopic walking supporting mechanism, a tire walking mechanism, a frame assembly, a rotary support, a steering mechanism and a chassis, and is characterized in that,
The transverse telescopic beam mechanism consists of a frame cross beam, a transverse telescopic beam, an oil cylinder I and an oil cylinder II, wherein the frame cross beam and the transverse telescopic beam are of box-shaped structures, the transverse telescopic beam is arranged in a hollow box-shaped cavity of the frame cross beam, one end of the oil cylinder I is connected with the transverse telescopic beam, the other end of the oil cylinder I is connected with the frame cross beam, one end of the oil cylinder II is connected with the other transverse telescopic beam, and the other end of the oil cylinder II is connected with the other frame cross beam;
The transverse telescopic beam mechanism drives a piston rod of the oil cylinder I or the oil cylinder II to extend or retract through a hydraulic control system, so that the transverse telescopic beam associated with the oil cylinder I or the oil cylinder II is driven to move left and right in a box-shaped cavity of the frame cross beam, and meanwhile, the tire assembly is driven to move left and right, and the purpose of variable wheel tread is achieved;
The vertical telescopic walking supporting mechanism consists of a vertical telescopic walking supporting outer cylinder, a vertical telescopic walking supporting inner cylinder, an oil cylinder V and a support, wherein the vertical telescopic walking supporting outer cylinder and the vertical telescopic walking supporting inner cylinder are of hollow box-shaped structures, a transverse telescopic beam and the vertical telescopic walking supporting outer cylinder are welded into a whole, the support and the vertical telescopic walking supporting inner cylinder are welded into a whole, the support is connected with a rotary support, the rotary support is a standard part, and the upper fixing seat and the lower fixing seat can move relatively;
The vertical telescopic walking supporting mechanism drives a piston rod of the oil cylinder V to extend or retract through the hydraulic control system, drives the vertical telescopic walking supporting inner cylinder to move up and down in the box-shaped cavity of the vertical telescopic walking supporting outer cylinder, and simultaneously drives the frame assembly to move up and down, so that the purpose of lifting the chassis is achieved;
The tire travelling mechanism consists of a left tire travelling mechanism and a right tire travelling mechanism, wherein the left tire travelling mechanism and the right tire travelling mechanism are composed of a speed reducer mounting support, a motor, a speed reducer and a tire assembly, the speed reducer mounting support is connected with a rotary support, and the speed reducer is connected with the tire assembly;
the tire travelling mechanism is fixedly connected with the plane at the lower end of the rotary support, and after the rotary support rotates for 90 degrees, the support and the speed reducer mounting support are fixed into a whole by the oil cylinder fixing pin, so that the purpose that the special vehicle can travel transversely is realized;
the frame assembly consists of a frame girder and a frame cross beam;
The steering mechanism consists of a transverse pull rod, an oil cylinder VI and a crank arm. The crank arm is welded with the mounting support into a whole, one end of the oil cylinder VI is connected with the mounting support, and the other end of the oil cylinder VI is connected with the support;
The steering mechanism drives a piston rod of the oil cylinder VI to extend or retract through a hydraulic control system to drive the left wheel and the right wheel to simultaneously steer and the front wheel and the rear wheel to simultaneously steer;
The chassis is of a tie rod structure, the left tire travelling mechanism and the right tire travelling mechanism are connected through the tie rod, the left tire travelling mechanism is connected with the vertical telescopic travelling support mechanism through an oil cylinder III, the right tire travelling mechanism is connected with the vertical telescopic travelling support mechanism through an oil cylinder IV, and synchronous steering of left and right wheels and simultaneous steering of front and rear wheels can be achieved through the stretching of the driving oil cylinder III and the oil cylinder IV.
Further, the tire travelling mechanism is connected with the vertical travelling support telescopic mechanism through the rotary support, so that 360-degree rotation of the tire travelling mechanism assembly can be realized, and the purposes that the chassis can transversely travel and front and rear wheels can simultaneously steer are achieved.
Compared with the prior art, the invention has the beneficial effects that:
The invention can adapt to various construction environments with different requirements on the tread of the chassis; the chassis can be lifted, and is suitable for special construction vehicles for highway and railway; the chassis can walk transversely, and is suitable for construction operation across ballast beds; the front and rear wheels can turn, and the device is suitable for walking on roads and places. The invention has high stability and good safety performance, can conveniently and rapidly finish various constructions, greatly reduces the input cost and can greatly improve the construction efficiency. Meanwhile, the wheel track is adjusted, so that the wheel track is convenient to transport, economical and practical, low in maintenance cost and wide in applicability.
Drawings
FIG. 1 is a schematic diagram of the structural composition of a chassis of a multifunctional hydraulically driven railway special vehicle of the present invention;
FIG. 2 is a schematic view showing the structural composition of a chassis of a multifunctional hydraulic-driven railway special vehicle in a height lowering state;
FIG. 3 is a schematic view showing the structural composition of a chassis of a multifunctional hydraulically driven railway special vehicle in a highly elevated state;
FIG. 4 is a schematic diagram showing the structure of a chassis of a multifunctional hydraulic railway special vehicle in a transverse traveling state;
Fig. 5 is a schematic diagram showing the structure of the chassis of the multifunctional hydraulic railway special vehicle for simultaneously steering front and rear wheels.
The symbols in fig. 1 to 5 represent the following meanings: 1-vertical telescopic walking supporting outer cylinder, 2-vertical telescopic walking supporting inner cylinder, 3-oil cylinder I, 4-oil cylinder II, 5-frame girder, 6-oil cylinder III, 7-oil cylinder IV, 8-transverse telescopic girder, 9-frame beam, 10-speed reducer mounting support, 11-motor, 12-rotary support, 13-oil cylinder V, 14-speed reducer, 15-tire assembly, 16-oil cylinder fixing pin, 17-oil cylinder VI, 18-transverse pull rod, 19-support and 20-frame beam.
Detailed Description
The present invention will be described in further detail with reference to the drawings and the embodiments, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
The preferred embodiment of the multifunctional hydraulic drive railway special vehicle chassis, as shown in figure 1, comprises a transverse telescopic beam mechanism, a vertical telescopic walking supporting mechanism, a tire walking mechanism, a frame assembly, a rotary support, a steering mechanism and a chassis, and is characterized in that,
The transverse telescopic beam mechanism consists of a frame cross beam 9, a transverse telescopic beam 8, an oil cylinder I3 and an oil cylinder II 4, wherein the frame cross beam 9 and the transverse telescopic beam 8 are of box-shaped structures, the transverse telescopic beam 8 is arranged in a hollow box-shaped cavity of the frame cross beam 9, one end of the oil cylinder I3 is connected with the transverse telescopic beam 8, the other end is connected with the frame cross beam 9, one end of the oil cylinder II 4 is connected with the other transverse telescopic beam 8, and the other end is connected with the other frame cross beam 9;
the transverse telescopic beam mechanism drives a piston rod of the oil cylinder I3 or the oil cylinder II 4 to extend or retract through a hydraulic control system, so that the transverse telescopic beam 8 associated with the oil cylinder I3 or the oil cylinder II 4 is driven to move left and right in a box-shaped cavity of the frame cross beam 9, and meanwhile, the tire assembly 15 is driven to move left and right, and the aim of changing the wheel track is fulfilled;
The vertical telescopic walking supporting mechanism consists of a vertical telescopic walking supporting outer cylinder 1, a vertical telescopic walking supporting inner cylinder 2, an oil cylinder V13 and a support 19, wherein the vertical telescopic walking supporting outer cylinder 1 and the vertical telescopic walking supporting inner cylinder 2 are of hollow box-shaped structures, a transverse telescopic beam 8 and the vertical telescopic walking supporting outer cylinder 1 are welded into a whole, the support 19 and the vertical telescopic walking supporting inner cylinder 2 are welded into a whole, the support 19 is connected with a rotary support 12, the rotary support 12 is a standard part, and an upper fixing seat and a lower fixing seat can move relatively;
The vertical telescopic walking supporting mechanism drives a piston rod of the oil cylinder V13 to extend or retract through the hydraulic control system, drives the vertical telescopic walking supporting inner cylinder 2 to move up and down in the box-shaped cavity of the vertical telescopic walking supporting outer cylinder 1, and simultaneously drives the frame assembly to move up and down, so that the purpose of lifting a chassis is achieved, and the chassis is lowered and raised as shown in the states shown in fig. 2 and 3.
The tire travelling mechanism consists of a left tire travelling mechanism and a right tire travelling mechanism, wherein the left tire travelling mechanism and the right tire travelling mechanism consist of a speed reducer mounting support 10, a motor 11, a speed reducer 14 and a tire assembly 15, the speed reducer 14 mounting support 10 is connected with a rotary support 12, and the speed reducer 14 is connected with the tire assembly 15;
The tire travelling mechanism is fixedly connected with the plane at the lower end of the rotary support 12, after the rotary support 12 rotates for 90 degrees, the support 19 and the speed reducer 14 are fixed into a whole by the oil cylinder fixing pin 16, the purpose that the special vehicle can travel transversely is achieved, and the transverse travelling state of the vehicle is shown in fig. 4;
The frame assembly is composed of a frame girder 5 and a frame cross beam 20;
The steering mechanism consists of a tie rod 18, an oil cylinder VI 17 and a crank arm. The crank arm is welded with the mounting support 10 into a whole, one end of the oil cylinder VI 17 is connected with the mounting support 10, and the other end is connected with the support 19;
The steering mechanism drives a piston rod of the oil cylinder VI 17 to extend or retract through a hydraulic control system to drive the left wheel and the right wheel to simultaneously steer and the front wheel and the rear wheel to simultaneously steer;
The chassis is of a tie rod structure, the left tire travelling mechanism and the right tire travelling mechanism are connected through a tie rod 18, the left tire travelling mechanism is connected with the vertical telescopic travelling support mechanism through an oil cylinder III 6, the right tire travelling mechanism is connected with the vertical telescopic travelling support mechanism through an oil cylinder IV 7, and synchronous steering of left and right wheels and simultaneous steering of front and rear wheels can be achieved through stretching of the driving oil cylinder III 6 and the oil cylinder IV 7.
More preferably, the tire travelling mechanism is connected with the vertical travelling support telescopic mechanism through the rotary support 12, so that 360-degree rotation of the tire travelling mechanism assembly can be realized, the purposes that the chassis can transversely travel and front and rear wheels can simultaneously steer are achieved, and the state that the front and rear wheels of a vehicle simultaneously steer is shown in fig. 5.
By adopting the technical scheme, the special vehicle chassis for railway construction, which has the advantages of liftable chassis height, transverse walking, changeable wheel tread and steerable front and rear wheels, is suitable for railway construction and subway construction environments, achieves the purposes of conveniently and quickly completing the paving construction of high-speed rail, the rail changing construction of high-speed rail and the operation construction environment of a special vehicle-mounted crane for the subway, greatly reduces the input cost and greatly improves the construction efficiency. Meanwhile, the wheel track is adjusted, so that the transportation is convenient, and the device is more economical and practical.
The foregoing is only a preferred embodiment of the invention, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the invention.
Claims (2)
1. A multifunctional hydraulic drive railway special-purpose vehicle chassis consists of a transverse telescopic beam mechanism, a vertical telescopic walking supporting mechanism, a tire walking mechanism, a frame assembly, a rotary support, a steering mechanism and a chassis, and is characterized in that,
The transverse telescopic beam mechanism consists of a frame cross beam (9), a transverse telescopic beam (8), an oil cylinder I (3) and an oil cylinder II (4), wherein the frame cross beam (9) and the transverse telescopic beam (8) are of box-shaped structures, the transverse telescopic beam (8) is arranged in a hollow box-shaped cavity of the frame cross beam (9), one end of the oil cylinder I (3) is connected with the transverse telescopic beam (8), the other end of the oil cylinder I is connected with the frame cross beam (9), one end of the oil cylinder II (4) is connected with the other transverse telescopic beam (8), and the other end of the oil cylinder II is connected with the other frame cross beam (9);
the transverse telescopic beam mechanism drives a piston rod of the oil cylinder I (3) or the oil cylinder II (4) to extend or retract through a hydraulic control system, so that a transverse telescopic beam (8) associated with the oil cylinder I (3) or the oil cylinder II (4) is driven to move left and right in a box-shaped cavity of the frame cross beam (9), and meanwhile, a tire assembly (15) is driven to move left and right, and the aim of changing the wheel track is fulfilled;
The vertical telescopic walking supporting mechanism consists of a vertical telescopic walking supporting outer cylinder (1), a vertical telescopic walking supporting inner cylinder (2), an oil cylinder V (13) and a support (19), wherein the vertical telescopic walking supporting outer cylinder (1) and the vertical telescopic walking supporting inner cylinder (2) are of hollow box-shaped structures, a transverse telescopic beam (8) and the vertical telescopic walking supporting outer cylinder (1) are welded into a whole, the support (19) and the vertical telescopic walking supporting inner cylinder (2) are welded into a whole, the support (19) is connected with a rotary support (12), and the rotary support (12) is a standard part and can move up and down relatively;
The vertical telescopic walking supporting mechanism drives a piston rod of the oil cylinder V (13) to extend or retract through the hydraulic control system, drives the vertical telescopic walking supporting inner cylinder (2) to move up and down in a box-shaped cavity of the vertical telescopic walking supporting outer cylinder (1), and simultaneously drives the frame assembly to move up and down, so that the purpose of lifting a chassis is achieved;
the tire travelling mechanism consists of a left tire travelling mechanism and a right tire travelling mechanism, wherein the left tire travelling mechanism and the right tire travelling mechanism are composed of a speed reducer mounting support (10), a motor (11), a speed reducer (14) and a tire assembly (15), the speed reducer (14) mounting support (10) is connected with a rotary support (12), and the speed reducer (14) is connected with the tire assembly (15);
the tire travelling mechanism is fixedly connected with the plane at the lower end of the rotary support (12), and after the rotary support (12) rotates by 90 degrees, the support (19) and the support (10) for installing the speed reducer (14) are fixed into a whole by the aid of the oil cylinder fixing pin (16), so that the purpose that a special vehicle can travel transversely is achieved;
the steering mechanism consists of a transverse pull rod (18), an oil cylinder VI (17) and a crank arm, wherein the crank arm is welded with the mounting support (10) into a whole, one end of the oil cylinder VI (17) is connected with the mounting support (10), and the other end of the oil cylinder VI is connected with the support (19);
The steering mechanism drives a piston rod of an oil cylinder VI (17) to extend or retract through a hydraulic control system to drive the left wheel and the right wheel to simultaneously steer and the front wheel and the rear wheel to simultaneously steer;
the chassis is of a tie rod type structure, the left tire travelling mechanism and the right tire travelling mechanism are connected through a tie rod (18), the left tire travelling mechanism is connected with the vertical telescopic travelling support mechanism through an oil cylinder III (6), the right tire travelling mechanism is connected with the vertical telescopic travelling support mechanism through an oil cylinder IV (7), and synchronous steering of left and right wheels and simultaneous steering of front and rear wheels can be achieved through stretching of the driving oil cylinder III (6) and the oil cylinder IV (7).
2. The multifunctional hydraulic drive railway special vehicle chassis according to claim 1, wherein the tire traveling mechanism is connected with the vertical traveling support telescopic mechanism through a rotary support (12), so that 360-degree rotation of the tire traveling mechanism assembly can be realized, and the purposes that the chassis can travel transversely and front and rear wheels can turn simultaneously are achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910610259.0A CN110341802B (en) | 2019-07-08 | 2019-07-08 | Multifunctional hydraulic drive railway special-purpose vehicle chassis |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910610259.0A CN110341802B (en) | 2019-07-08 | 2019-07-08 | Multifunctional hydraulic drive railway special-purpose vehicle chassis |
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| Publication Number | Publication Date |
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| CN110341802A CN110341802A (en) | 2019-10-18 |
| CN110341802B true CN110341802B (en) | 2024-04-23 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112455476A (en) * | 2020-11-16 | 2021-03-09 | 段俊 | Rail traveling device for wheel type engineering machinery |
| CN113602387B (en) * | 2021-07-19 | 2022-11-11 | 四川宏华石油设备有限公司 | Variable-wheel-track host towing system and application method thereof |
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