CN113415113B - Friction wheel driving rail system of road and railway dual-purpose detection vehicle - Google Patents
Friction wheel driving rail system of road and railway dual-purpose detection vehicle Download PDFInfo
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- CN113415113B CN113415113B CN202110756775.1A CN202110756775A CN113415113B CN 113415113 B CN113415113 B CN 113415113B CN 202110756775 A CN202110756775 A CN 202110756775A CN 113415113 B CN113415113 B CN 113415113B
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 281
- 239000010959 steel Substances 0.000 claims abstract description 281
- 238000000034 method Methods 0.000 description 20
- 230000008569 process Effects 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 12
- 230000007246 mechanism Effects 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 6
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- 238000005859 coupling reaction Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
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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
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Abstract
The invention relates to the technical field of road and rail dual-purpose detection vehicles, and discloses a friction wheel driving rail system of a road and rail dual-purpose detection vehicle, which comprises a driving wheel and a driven wheel, wherein the driving wheel and the driven wheel are arranged on the vehicle axle, one side of the vehicle axle, which is close to the driven wheel, is provided with a front steel wheel assembly for running on a track, one side of the vehicle axle, which is close to the driving wheel, is provided with a rear steel wheel assembly for running on the track, and the front steel wheel assembly and the rear steel wheel assembly are both connected with the vehicle axle.
Description
Technical Field
The invention relates to the technical field of road and railway dual-purpose detection vehicles, in particular to a friction wheel driving rail system of a road and railway dual-purpose detection vehicle.
Background
Road and rail dual-purpose vehicles are accepted and applied by a plurality of countries with the advantages of flexible maneuvering, easy rail loading and unloading, wide application, economy and the like. Since the first road-rail vehicle in the world was put into use, with the development and application of new technologies, road-rail vehicles have been developed as utility vehicles capable of completing various operations. The road and rail dual-purpose vehicles in China are late in development, and compared with developed countries, the technology has obvious gaps. With the rapid development of railway and urban rail transit in China, highway and railway dual-purpose vehicles are more valued and developed.
The general highway and railway dual-purpose net rail detection vehicle consists of a plurality of parts such as an axle, a rail system, a net rail detection system, an electrical system, a hydraulic system, a detection cabin and the like, is suitable for dynamically detecting, diagnosing and analyzing technical parameters of a rail and a contact net, provides expert diagnosis results, guides maintenance work of the follow-up rail and the contact net, and is core special equipment for integrating a rail traffic operation and maintenance health management system and a scheme. Therefore, the rail system of the road-rail dual-purpose net rail detection vehicle can simultaneously have the functions of running on the road and the rail, the road and the rail in the rail system of the existing road-rail dual-purpose net rail detection vehicle are driven by different driving parts when running, and the road and the rail running switching process is complex.
The invention patent with the publication number of CN107618324B discloses a walking conversion mechanism of a highway and railway dual-purpose hydraulic excavator, which comprises a hydraulic system and a mechanical structure; the mechanical structure comprises a front walking conversion mechanism arranged on the front side below the chassis of the excavator and a rear walking conversion mechanism arranged on the rear side below the chassis of the excavator, and the structures of the front walking conversion mechanism and the rear walking conversion mechanism are identical and are symmetrically arranged; the invention also comprises a hydraulic cylinder of the whole vehicle lifting device, the invention completes the movement of the upper rail through the front walking conversion mechanism and the rear walking conversion mechanism to realize the rail running mode, but the front walking conversion mechanism and the rear walking conversion mechanism control the contact or separation of the steel wheel and the rail through the different rail steel wheel retraction hydraulic cylinders.
Disclosure of Invention
The invention aims to provide a friction wheel driving rail system of a highway and railway dual-purpose detection vehicle, which has relatively independent working modes of highway driving and rail driving, no interference with each other, simple switching process, no need of changing the original vehicle structure, low cost, strong universality, good practicability and a horizontal adjusting mechanism.
The technical aim of the invention is realized by the following technical scheme:
the utility model provides a dual-purpose detection car friction wheel drive rail system, includes the drive wheel and the driven wheel of installing on the axle, be close to the preceding steel wheel subassembly that is used for going at the track on the axle from the one side of driving wheel, be equipped with the back steel wheel subassembly that is used for going at the track on the axle near one side of drive wheel, preceding steel wheel subassembly and back steel wheel subassembly all are connected with the axle, back steel wheel subassembly is including the friction wheel that is used for driving the vehicle to go along the track, still be equipped with horizontal adjustment device between preceding steel wheel subassembly and the back steel wheel subassembly.
Through adopting above-mentioned technical scheme, the drive wheel is connected with car actuating system, the motion of drive wheel is driven to the motion of following the driving wheel through car actuating system control, thereby realize that the vehicle is on the land and go, jack-up the axle through preceding steel wheel subassembly and back steel wheel subassembly, make drive wheel and follow driving wheel and ground separation, friction wheel in the back steel wheel subassembly is close to the drive wheel gradually simultaneously, and with the drive wheel contact, the power that the rotation power of drive wheel turned into back steel wheel subassembly and go under the effect of friction, thereby realize that the vehicle is on the track, the power source of two kinds of operating modes is car actuating system, and two kinds of operating modes are independent relatively, each other do not interfere, and the switching process is simple, need not to change original vehicle structure, and low cost, the commonality is strong, the practicality is good.
The invention is further provided with: the front steel wheel assembly includes: the front steel wheel is connected with the front steel wheel swing arm through the front steel wheel rotating shaft, one end of the front steel wheel swing arm is hinged to the axle, the other end of the front steel wheel swing arm is hinged to the front steel wheel rotating shaft, and one end of the front steel wheel driving part is hinged to the axle, and the other end of the front steel wheel driving part is hinged to the front steel wheel swing arm.
Through adopting above-mentioned technical scheme, preceding steel wheel swing arm of preceding steel wheel drive portion drive rotates around its articulated point with the axle for the preceding steel wheel pivot of the other end at preceding steel wheel swing arm rotates, current steel wheel pivot rotates to the in-process of minimum, installs the epaxial preceding steel wheel of preceding steel wheel gradually with track contact back jack-up with the axle, make the driven wheel of installing on the axle separate with ground, at the in-process of jack-up, preceding steel wheel contact with the track all the time, the derailment phenomenon can not appear, and speed is mild, the automobile body vibration is little, stability is good.
The invention is further provided with: the rear steel wheel assembly includes: the rear steel wheel is synchronously connected with the friction wheel, the friction wheel is connected with the rear steel wheel swing arm, the rear steel wheel is connected with the rear steel wheel swing arm through a rear steel wheel rotating shaft, one end of the rear steel wheel swing arm is hinged to the axle, the other end of the rear steel wheel swing arm is hinged to the rear steel wheel rotating shaft, and one end of the rear steel wheel driving part is hinged to the axle, and the other end of the rear steel wheel driving part is hinged to the rear steel wheel swing arm.
Through adopting above-mentioned technical scheme, back steel wheel swing arm is rotated around its articulated point with the axle to back steel wheel drive portion drive, make the back steel wheel pivot of the other end at back steel wheel swing arm rotate, when back steel wheel pivot rotates to the in-process of minimum, install the epaxial back steel wheel of back steel wheel gradually with track contact after slowly jack-up the axle, simultaneously, the friction wheel rather than synchro-coupling is close to the drive wheel gradually, install the drive wheel on the axle and the ground separation gradually, at the in-process of jack-up, back steel wheel is contact with the track all the time, the derailment phenomenon can not appear, and speed is mild, the automobile body vibration is little, stability is good, the drive wheel reaches the peak when back steel wheel pivot rotates to the minimum, friction wheel and drive wheel contact each other at this moment, under the effect of friction force, the drive wheel is rotatory to drive friction wheel rotates together, thereby drive the back steel wheel that is connected together with friction wheel synchro-coupling provides power for the vehicle at the track travel, can realize the dual-purpose function of highway and railway, the adaptability is good, the commonality is strong.
The invention is further provided with: the rear steel wheel is coaxially connected with the friction wheel.
Through adopting above-mentioned technical scheme, make back steel wheel and friction pulley coaxial coupling make back steel wheel subassembly overall structure simple structure, small, the installation of being convenient for can also effectively improve power transmission's synchronism, guarantee the public indisputable two kinds of operating mode running speed's of track synchronism, need not to carry out speed conversion, the operation process is simple, simultaneously in the in-process of motion, the ascending power that friction pulley receives and back steel wheel receives all acts on back steel wheel pivot for the atress of back steel wheel pivot reaches good balance, and back steel wheel pivot is difficult for the deformation, and life is longer.
The invention is further provided with: the surface of the friction wheel is provided with grooves or protrusions matched with the grains on the driving wheel outer tire, and the grooves or protrusions are mutually embedded with the grains on the driving wheel outer tire when the friction wheel is contacted with the driving wheel outer tire.
By adopting the technical scheme, when the friction wheel is contacted with the driving wheel cover tyre, grooves or bulges on the surface of the friction wheel are mutually embedded with lines on the driving wheel cover tyre, so that the contact area between the friction wheel and the driving wheel cover tyre is greatly increased, the friction force between the friction wheel and the driving wheel cover tyre is greatly increased, and the force transmission effect is further improved.
The invention is further provided with: the horizontal adjusting device comprises a fixed plate fixed on an axle, the fixed plate is in a horizontal state, an adjusting rod is arranged below the fixed plate, an inner cavity along the axial direction is formed in the adjusting rod, a first connecting rod and a second connecting rod are respectively arranged at two ends of the adjusting rod, one end of the first connecting rod is hinged to a front steel wheel swing arm, the other end of the first connecting rod is in sliding connection with the inner cavity of the adjusting rod, one end of the second connecting rod is hinged to a rear steel wheel swing arm, the other end of the second connecting rod is in sliding connection with the inner cavity of the adjusting rod, one ends of the first connecting rod and the second connecting rod are respectively connected through a first spring, two ends of the adjusting rod are respectively connected through a second spring and a third spring, a first pressure sensor and a second pressure sensor are respectively arranged between the second spring and the fixed on the fixed plate, and the ends of the second spring are respectively fixed on the first pressure sensor and the second pressure sensor, and the first pressure sensor, the second pressure sensor, the front steel wheel driver and the rear driver are respectively connected with the rear steel wheel driver.
By adopting the technical scheme, when the rotation angles of the front steel wheel swing arm and the rear steel wheel swing arm are the same, the heights of the front steel wheel in the front steel wheel assembly and the rear steel wheel in the rear steel wheel assembly are the same, at the moment, the front steel wheel and the rear steel wheel are all positioned on the same horizontal plane, at the moment, the first connecting rod, the second connecting rod and the adjusting rod are in a horizontal state after being connected, and because the fixed plate is also in the horizontal state, the adjusting rod is relatively parallel to the fixed plate, at the moment, the spring force born by the second spring and the third spring are equal, the pressures measured by the first pressure sensor and the second pressure sensor are equal, at the moment, the vehicle normally runs, when the rotation angles of the front steel wheel swing arm and the rear steel wheel swing arm are different, the heights of the front steel wheel in the front steel wheel assembly and the rear steel wheel assembly are different, at this moment, the front steel wheel and the rear steel wheel are all located on different horizontal planes, at this moment, the first connecting rod, the second connecting rod and the adjusting rod are in an inclined state after being connected, at this moment, the spring force born by the second spring and the third spring is different, therefore, the pressure measured by the first pressure sensor and the second pressure sensor is not equal, at this moment, the controller controls the front steel wheel driving part or the rear steel wheel driving part to start working according to the difference of the pressure values measured by the first pressure sensor and the second pressure sensor, thereby driving the front steel wheel swing arm and the rear steel wheel swing arm to rotate to the same angle, keeping the front steel wheel and the rear steel wheel always in a horizontal state, and avoiding the unstable or safety accident occurrence condition when the vehicle runs on the track line due to the inconsistent heights of the front steel wheel and the rear steel wheel.
The beneficial effects of the invention are as follows:
1. according to the invention, the driving wheel is controlled to move through the automobile driving system to drive the driven wheel to move together, so that the vehicle runs on the land, the front steel wheel assembly and the rear steel wheel assembly jack up the axle, so that the driving wheel and the driven wheel are separated from the ground, meanwhile, the friction wheel in the rear steel wheel assembly is gradually close to the driving wheel and contacts with the driving wheel, the rotation power of the driving wheel is converted into the power for the rear steel wheel assembly to run under the action of the friction force, the vehicle runs on a track, the power sources of the two working modes are the automobile driving system, the two working modes are relatively independent and do not interfere with each other, the switching process is simple, the original vehicle structure is not required to be changed, the cost is low, the universality is high, and the practicability is good.
2. The invention lifts the vehicle through the front steel wheel component and the rear steel wheel component when running on the track, so that the driving wheel and the driven wheel are separated from the track, abrasion caused by contact of the driving wheel and the driven wheel with the track in the running process is avoided, meanwhile, running resistance of the vehicle is reduced, energy consumption is reduced, meanwhile, in the process of lifting the vehicle, the front steel wheel and the rear steel wheel are always in contact with the track, derailment phenomenon is not easy to occur in sequence, the speed is smooth, the vibration of the vehicle body is small, the stability is good, the driving wheel reaches the highest point when the rotating shaft of the rear steel wheel rotates to the lowest point, at the moment, the friction wheel is in contact with the driving wheel, and the driving wheel rotates under the action of the friction force to drive the friction wheel to rotate together, so that the rear steel wheel synchronously connected with the friction wheel is driven to provide power for the running of the vehicle on the track, the functions of highway and railway can be realized without an additional power system, and the adaptability is good, and the universality is strong.
3. The invention has the advantages that the rear steel wheel and the friction wheel are coaxially connected, so that the whole structure of the rear steel wheel assembly is simple, the size is small, the installation is convenient, the synchronism of power transmission can be effectively improved, the synchronism of the running speeds of the rail and the rail in two working modes is ensured, the speed conversion is not needed, the operation process is simple, simultaneously, in the moving process, the downward force born by the friction wheel and the upward force born by the rear steel wheel are acted on the rear steel wheel rotating shaft, the stress of the rear steel wheel rotating shaft reaches good balance, the rear steel wheel rotating shaft is not easy to deform, and the service life is longer.
4. According to the invention, the grooves or the protrusions matched with the grains on the driving wheel cover tyre are arranged on the surface of the friction wheel, so that when the friction wheel is contacted with the driving wheel cover tyre, the grooves or the protrusions on the surface of the friction wheel are mutually embedded with the grains on the driving wheel cover tyre, the contact area between the friction wheel and the driving wheel cover tyre is greatly increased, the friction force between the friction wheel and the driving wheel cover tyre is greatly increased, and the force transmission effect is further improved.
5. The invention monitors and controls the heights of the front steel wheel and the rear rigid wheel in the front steel wheel assembly in real time through the horizontal adjusting device, so that the front steel wheel and the rear steel wheel are always positioned on the same horizontal plane, the vehicle is more stable when running on a track line, the safety performance is better, the horizontal adjusting device is respectively connected with the front steel wheel swing arm and the rear steel wheel swing arm through the first connecting rod and the second connecting rod, the horizontal adjusting device synchronously moves along with the front steel wheel assembly and the rear steel wheel assembly, the first pressure sensor and the second pressure sensor are utilized to realize real-time monitoring on whether the front steel wheel and the rear steel wheel are positioned on the same horizontal plane, and the controller controls the front steel wheel swing arm and the rear steel wheel swing arm to rotate according to the pressure value information, so that the heights of the front steel wheel and the rear steel wheel are adjusted in real time, the closed-loop control is realized, the control stability is good, and the control effect is good.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a friction wheel driving rail system of a highway and railway dual-purpose detection vehicle in a state of track running.
Fig. 2 is a schematic diagram of a friction wheel driving rail system of a highway and railway dual-purpose detection vehicle in a state of driving on a highway.
Fig. 3 is a schematic diagram of an installation structure of a friction wheel driving rail system of a highway and railway dual-purpose detection vehicle.
Fig. 4 is a schematic structural view of a front steel wheel assembly in a friction wheel driving rail system of a highway and railway dual-purpose detection vehicle according to the present invention.
Fig. 5 is a schematic diagram of states of friction wheels and rear steel wheels in a rear steel wheel assembly of the rail system driven by friction wheels of the highway and railway dual-purpose detection vehicle in track running.
Fig. 6 is a schematic diagram of an installation structure of a horizontal adjusting device in a friction wheel driving rail system of a highway and railway dual-purpose detection vehicle.
In the figure, 1, an axle; 2. a driving wheel; 3. driven wheel; 4. a track; 5. a front steel wheel assembly; 51. a front steel wheel; 52. a front steel wheel swing arm; 53. a front steel wheel driving part; 54. a front steel wheel rotating shaft; 6. a rear steel wheel assembly; 61. a rear steel wheel; 62. rear steel, wheel swing arm; 63. a rear steel wheel driving part; 64. a friction wheel; 65. a rear steel wheel rotating shaft; 7. a level adjustment device; 71. a fixing plate; 72. an adjusting rod; 73. a first connecting rod; 74. a second connecting rod; 75. a first spring; 76. a second spring; 77. a third spring; 78. a first pressure sensor; 79. and a second pressure sensor.
Detailed Description
The technical scheme of the present invention will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
As shown in fig. 1 and 2, the friction wheel driving rail system of the road and rail dual-purpose detection vehicle comprises a driving wheel 2 and a driven wheel 3 which are arranged on an axle 1, a front steel wheel assembly 5 used for driving on a track 4 is arranged on one side, close to the driven wheel 3, of the axle 1, a rear steel wheel assembly 6 used for driving on the track 4 is arranged on one side, close to the driving wheel 2, of the axle 1, the front steel wheel assembly 5 and the rear steel wheel assembly 6 are both connected with the axle 1, the rear steel wheel assembly 6 comprises a friction wheel 64 used for driving the vehicle to drive along the track, a horizontal adjusting device 7 is further arranged between the front steel wheel assembly 5 and the rear steel wheel assembly 6, the driving wheel 2 is connected with the vehicle driving system, the motion of the driving wheel 2 is controlled by the vehicle driving system to drive the driven wheel 3 to move together, therefore, the vehicle can run on the land, the axle 1 is jacked up through the front steel wheel assembly 5 and the rear steel wheel assembly 6, the driving wheel 2 and the driven wheel 3 are separated from the ground, meanwhile, the friction wheel 64 in the rear steel wheel assembly 6 is gradually close to the driving wheel 2 and is contacted with the driving wheel 2, the rotation power of the driving wheel 2 is converted into the running power of the rear steel wheel assembly 6 under the action of friction force, the vehicle can run on a track, the power sources of the two working modes of the horizontal adjusting device are all automobile driving systems, the two working modes are relatively independent and do not interfere with each other, the switching process is simple, the original vehicle structure is not required to be changed, the cost is low, the universality is high, and the practicability is good.
Further, as shown in fig. 3 and 4, the front steel wheel assembly 5 includes: the front steel wheel driving device comprises a front steel wheel 51 for driving on a track, a front steel wheel swing arm 52 for connecting the front steel wheel 51 with an axle 1 and a front steel wheel driving part 53 for driving the front steel wheel swing arm 52 to rotate so as to enable the front steel wheel 51 to be contacted with or separated from the track, wherein the front steel wheel driving part 53 is generally a hydraulic driving part, such as a hydraulic cylinder and the like, the front steel wheel 51 is connected with the front steel wheel swing arm 52 through a front steel wheel rotating shaft 54, one end of the front steel wheel swing arm 52 is hinged on the axle 1, the other end of the front steel wheel swing arm 52 is hinged on the front steel wheel rotating shaft 54, and one end of the front steel wheel driving part 53 is hinged on the axle 1, and the other end of the front steel wheel driving part is hinged on the front steel wheel swing arm 52; the front steel wheel driving part 53 drives the front steel wheel swing arm 52 to rotate around the point where the front steel wheel swing arm 52 is hinged with the axle 1, so that the front steel wheel rotating shaft 54 hinged at the other end of the front steel wheel swing arm 52 rotates, in the process that the front steel wheel rotating shaft 54 rotates to the lowest point, the front steel wheel 51 arranged on the front steel wheel rotating shaft 54 gradually contacts with a track and then slowly jacks up the axle 1, the driven wheel 3 arranged on the axle 1 is separated from the ground, in the jacking process, the front steel wheel 51 always contacts with the track 4, the derailment phenomenon cannot occur, the speed is gentle, the vibration of a vehicle body is small, and the stability is good.
Further, as shown in fig. 3, the rear steel wheel assembly 6 includes: a rear steel wheel 61 for running on a track, a rear steel wheel swing arm 62 for connecting the rear steel wheel 61 with the axle 1, and a rear steel wheel driving part 63 for driving the rear steel wheel swing arm 62 to rotate so as to enable the rear steel wheel 61 to contact with or separate from the track 4, wherein the rear steel wheel driving part 63 is generally a hydraulic driving part such as a hydraulic cylinder, the rear steel wheel 61 is synchronously connected with a friction wheel 64, the friction wheel 64 is connected with the rear steel wheel swing arm 62, the rear steel wheel 61 is connected with the rear steel wheel swing arm 62 through a rear steel wheel rotating shaft 65, one end of the rear steel wheel swing arm 62 is hinged on the axle 1, the other end of the rear steel wheel swing arm 62 is hinged on the rear steel wheel rotating shaft 65, one end of the rear steel wheel driving part 63 is hinged on the axle 1, the rear steel wheel swing arm 62 is driven to rotate around a point where the rear steel wheel swing arm 62 is hinged on the axle 1, so that the rear steel wheel rotating shaft hinged on the other end of the rear steel wheel swing arm 62 rotates, when the rear steel wheel rotating shaft 65 rotates to the lowest point, the rear steel wheel 61 installed on the rear steel wheel rotating shaft 65 gradually contacts with the track and then slowly jacks up the axle 1, meanwhile, the friction wheel 64 synchronously connected with the rear steel wheel rotating shaft gradually approaches to the driving wheel 2, the driving wheel 2 installed on the axle 1 is gradually separated from the ground, the rear steel wheel 61 always contacts with the track 4 during jacking up, the derailment phenomenon does not occur, the speed is smooth, the vibration of the vehicle body is small, the stability is good, when the rear steel wheel rotating shaft 65 rotates to the lowest point, the driving wheel 2 reaches the highest point, at the moment, the friction wheel 64 contacts with the driving wheel 2, under the action of friction force, the driving wheel 2 rotates to drive the friction wheel 64 to rotate together, so that the rear steel wheel 61 synchronously connected with the friction wheel 64 rotates together, the vehicle is driven to run on the track 4 by the rotation of the rear steel wheel 61, the highway and railway dual-purpose function can be realized without an additional power system, and the highway and railway dual-purpose power system has good adaptability and strong universality.
Further, as shown in fig. 3 and fig. 5, the rear steel wheel 61 is coaxially connected with the friction wheel 64, so that the rear steel wheel 61 and the friction wheel 64 are coaxially connected, the rear steel wheel assembly 6 is simple in overall structure, small in size and convenient to install, the synchronism of power transmission can be effectively improved, the synchronism of the running speeds of the rail and the rail in two working modes is ensured, speed conversion is not needed, the operation process is simple, simultaneously, in the moving process, downward force borne by the friction wheel 64 and upward force borne by the rear steel wheel 61 are exerted on the rear steel wheel rotating shaft 65, the stress of the rear steel wheel rotating shaft 65 is well balanced, the rear steel wheel rotating shaft 65 is not easy to deform, and the service life is longer.
Further, as shown in fig. 5, the surface of the friction wheel 64 is provided with grooves or protrusions matched with the lines on the outer tire of the driving wheel 2, the grooves or protrusions are mutually embedded with the lines on the outer tire of the driving wheel 2 when the friction wheel 64 contacts with the outer tire of the driving wheel 2, and the grooves or protrusions on the surface of the friction wheel 64 are mutually embedded with the lines on the outer tire of the driving wheel 2 when the friction wheel 64 contacts with the outer tire of the driving wheel 2, so that the contact area between the friction wheel 64 and the outer tire of the driving wheel 2 is greatly increased, the friction force between the friction wheel 64 and the outer tire of the driving wheel 2 is greatly increased, and the force transmission effect is further improved.
Further, the horizontal adjusting device 7 comprises a fixing plate 71 fixed on the axle 1, the fixing plate 71 is in a horizontal state, an adjusting rod 72 is arranged below the fixing plate 71, the adjusting rod 72 is provided with an inner cavity along the axial direction, two ends of the adjusting rod 72 are respectively provided with a first connecting rod 73 and a second connecting rod 74, one end of the first connecting rod 73 is hinged with the front steel wheel swing arm 52, the other end of the first connecting rod 73 is in sliding connection with the inner cavity of the adjusting rod 72, one end of the second connecting rod 74 is hinged with the rear steel wheel swing arm 62, the other end of the second connecting rod 74 is in sliding connection with the inner cavity of the adjusting rod 72, one ends of the first connecting rod 73 and the second connecting rod 74 positioned in the inner cavity of the adjusting rod 72 are respectively connected through a first spring 75, two ends of the adjusting rod 72 are respectively connected through a second spring 76 and a third spring 77, a first pressure sensor 78 and a second pressure sensor 79 are respectively arranged between the second spring 76 and the third spring 77 and the fixed plate 71, the first pressure sensor 78 and the second pressure sensor 79 are respectively fixed on the fixed plate 71, the end parts of the second spring 76 and the third spring 77 are respectively fixed on the first pressure sensor 78 and the second pressure sensor 79, the first pressure sensor 78, the second pressure sensor 79, the front steel wheel driving part 53 and the rear steel wheel driving part 63 are electrically connected with a controller, when the rotation angles of the front steel wheel swing arm 52 and the rear steel wheel swing arm 62 are the same, the heights of the front steel wheel 51 in the front steel wheel assembly 5 and the rear steel wheel 61 in the rear steel wheel assembly 6 are the same, at the moment, the front steel wheel 51 and the rear steel wheel 61 are all positioned on the same horizontal plane, at the moment, the first connecting rod 73, the second connecting rod 74 and the adjusting rod 72 are in a horizontal state after being connected, since the fixed plate 71 is also in a horizontal state, the adjusting rod 72 is relatively parallel to the fixed plate 71, at this time, the spring forces borne by the second spring 76 and the third spring 77 are equal, and therefore, the pressures measured by the first pressure sensor 78 and the second pressure sensor 79 are not equal, the vehicle runs normally, when the rotation angles of the front steel wheel swing arm 52 and the rear steel wheel swing arm 62 are different, the front steel wheel 51 in the front steel wheel assembly 5 and the rear steel wheel 61 in the rear steel wheel assembly 6 are different in height, at this time, the front steel wheel 51 and the rear steel wheel 61 are all located on different horizontal planes, at this time, the first connecting rod 73, the second connecting rod 74 and the adjusting rod 72 are in an inclined state after being connected, at this time, the spring forces borne by the second spring 76 and the third spring 77 are not equal, and therefore, the pressures measured by the first pressure sensor 78 and the second pressure sensor 79 are not equal, at this time, the controller controls the front steel wheel driving part 53 or the rear steel wheel driving part 63 to start to operate according to the difference of the pressure values measured by the first pressure sensor 78 and the second pressure sensor 79, and therefore, the front steel wheel driving 52 and the rear steel wheel 62 are always kept in a stable state when the front steel wheel and the front steel wheel swing arm 62 are not in a constant level state due to the fact that the vehicle is running safety accident situation.
The working principle of the invention is as follows: when the vehicle runs on the road, the driven wheels 3 are driven to move together by controlling the movement of the driving wheels 2 through the automobile driving system, so that the vehicle runs on the land, the front steel wheel assembly 5 and the rear steel wheel assembly 6 jack up the vehicle axle 1, the driving wheels 2 and the driven wheels 3 are separated from the ground, meanwhile, the friction wheels 64 in the rear steel wheel assembly 6 are gradually close to the driving wheels 2 and are contacted with the driving wheels 2, the rotating power of the driving wheels 2 is converted into the power of the rear steel wheel assembly 6 running on the track under the action of friction force, the vehicle is driven to run on the track, the power sources of the two working modes are the automobile driving system, the two working modes are relatively independent and do not interfere with each other, the switching process is simple, the original vehicle structure is not required to be changed, the vehicle is low in cost and high in universality, the vehicle is good in practicability, meanwhile, the front steel wheel 51 and the rear steel wheel 61 are always controlled on the same horizontal plane in real time through the horizontal adjusting device 7 when the front steel wheel assembly 6 jacks up the vehicle axle 1, and the vehicle is ensured to be more stable and the vehicle runs on the track, and the safety is better.
Claims (3)
1. The friction wheel driving rail system of the road and rail dual-purpose detection vehicle is characterized by comprising a driving wheel (2) and a driven wheel (3) which are arranged on an axle (1), wherein a front steel wheel assembly (5) used for driving on a track (4) is arranged on one side, close to the driven wheel (3), of the axle (1), a rear steel wheel assembly (6) used for driving on the track (4) is arranged on one side, close to the driving wheel (2), of the axle (1), the front steel wheel assembly (5) and the rear steel wheel assembly (6) are both connected with the axle (1), the rear steel wheel assembly (6) comprises a friction wheel (64) used for driving the vehicle to drive along the track, and a horizontal adjusting device (7) is further arranged between the front steel wheel assembly (5) and the rear steel wheel assembly (6);
the front steel wheel assembly (5) comprises: the front steel wheel (51) is connected with the front steel wheel swing arm (52) through a front steel wheel rotating shaft 54, one end of the front steel wheel swing arm (52) is hinged on the axle (1), the other end of the front steel wheel swing arm is hinged on the front steel wheel rotating shaft 54, and one end of the front steel wheel driving part (53) is hinged on the axle (1), and the other end of the front steel wheel swing arm is hinged on the front steel wheel swing arm (52);
the rear steel wheel assembly (6) comprises: the rear steel wheel (61) is used for running on a track, a rear steel wheel swing arm (62) is used for connecting the rear steel wheel (61) with the axle (1), and a rear steel wheel driving part (63) is used for driving the rear steel wheel swing arm (62) to rotate so that the rear steel wheel (61) is contacted with or separated from the track (4), the rear steel wheel (61) is synchronously connected with a friction wheel (64), the friction wheel (64) is connected with the rear steel wheel swing arm (62), the rear steel wheel (61) is connected with the rear steel wheel swing arm (62) through a rear steel wheel rotating shaft (65), one end of the rear steel wheel swing arm (62) is hinged on the axle (1), the other end of the rear steel wheel swing arm (62) is hinged on the rear steel wheel rotating shaft (65), and one end of the rear steel wheel driving part (63) is hinged on the axle (1), and the other end of the rear steel wheel driving part is hinged on the rear steel wheel swing arm (62).
The horizontal adjusting device (7) comprises a fixed plate (71) fixed on an axle (1), the fixed plate (71) is in a horizontal state, an adjusting rod (72) is arranged below the fixed plate (71), the adjusting rod (72) is provided with an inner cavity along the axial direction, two ends of the adjusting rod (72) are respectively provided with a first connecting rod (73) and a second connecting rod (74), one end of the first connecting rod (73) is hinged with a front steel wheel swing arm (52), the other end of the first connecting rod (73) is in sliding connection with the inner cavity of the adjusting rod (72), one end of the second connecting rod (74) is hinged with a rear steel wheel swing arm (62), the other end of the second connecting rod (74) is in sliding connection with the inner cavity of the adjusting rod (72), one ends of the first connecting rod (73) and the second connecting rod (74) which are positioned in the inner cavity of the adjusting rod (72) are respectively connected through a first spring (75), two ends of the adjusting rod (72) are respectively connected with a third spring (77) through a second spring (76), one end of the second spring (76) and the third spring (77) are respectively provided with a pressure sensor (78), the first pressure sensor (78) and the second pressure sensor (79) are respectively fixed on the horizontal plane of the fixed plate (71), the end parts of the second spring (76) and the third spring (77) are respectively fixed on the first pressure sensor (78) and the second pressure sensor (79), and the first pressure sensor (78), the second pressure sensor (79), the front steel wheel driving part (53) and the rear steel wheel driving part (63) are electrically connected with a controller.
2. The highway and railway dual-purpose detection vehicle friction wheel driving rail system according to claim 1, wherein: the rear steel wheel (61) is coaxially connected with the friction wheel (64).
3. The highway and railway dual-purpose detection vehicle friction wheel driving rail system according to claim 1, wherein: grooves or protrusions matched with grains on the outer tire of the driving wheel (2) are formed in the surface of the friction wheel (64), and the grooves or protrusions are mutually embedded with the grains on the outer tire of the driving wheel (2) when the friction wheel (64) is contacted with the outer tire of the driving wheel (2).
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| CN202110756775.1A CN113415113B (en) | 2021-07-05 | 2021-07-05 | Friction wheel driving rail system of road and railway dual-purpose detection vehicle |
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| CN202110756775.1A CN113415113B (en) | 2021-07-05 | 2021-07-05 | Friction wheel driving rail system of road and railway dual-purpose detection vehicle |
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| CN113415113A CN113415113A (en) | 2021-09-21 |
| CN113415113B true CN113415113B (en) | 2023-10-31 |
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