CN115973274B - Heavy-load wheel type carrying vehicle and application method thereof - Google Patents
Heavy-load wheel type carrying vehicle and application method thereof Download PDFInfo
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- CN115973274B CN115973274B CN202310264525.5A CN202310264525A CN115973274B CN 115973274 B CN115973274 B CN 115973274B CN 202310264525 A CN202310264525 A CN 202310264525A CN 115973274 B CN115973274 B CN 115973274B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention discloses a heavy-load wheel type carrying vehicle and a use method thereof, which belong to the technical field of working vehicles and comprise a carrying chassis framework and a hub assembly for driving the carrying chassis framework to move, wherein a front wheel steering adjusting device for steering and adjusting the hub assembly is arranged on the carrying chassis framework, the front wheel steering adjusting device comprises a swinging frame arranged at the front part of the carrying chassis framework and a steering driving mechanism arranged on the swinging frame, and the end part of the swinging frame is connected with the carrying chassis framework in a matched manner through a spherical hinge; the front end and the rear end of the swing frame are connected with the carrying chassis framework through the two groups of spherical hinges, and the swing frame can swing along the connecting line of the two spherical hinges, so that when a vehicle passes through a road surface with uneven terrain, wheels on the swing frame can always keep contact with the ground, and stable support is provided for the vehicle; meanwhile, the vehicle has better tolerance and can resist deformation generated by the chassis framework.
Description
Technical Field
The invention relates to the technical field of working vehicles, in particular to a heavy-load wheel type carrying vehicle and a using method thereof.
Background
In life or production process, often use the carrying vehicle to carry out the transport of article or carry corresponding functional equipment etc. and carry out the operation, but the chassis of vehicle all adopts rigid structure in order to guarantee sufficient intensity, and when the topography is uneven, can't guarantee the wheel ground connection of vehicle, provides stable support to the vehicle, and when carrying out the loading of some heavy load article simultaneously, long-time use also can cause bearing part to have certain automobile body to warp, this also leads to the wheel to produce the deviation thereupon, influences the normal use of vehicle.
Disclosure of Invention
The technical purpose is that: aiming at the defects that the wheels cannot be grounded and provide effective support for the vehicle when the terrain of the existing heavy-duty vehicle is uneven and the deformation of the chassis of the vehicle body cannot be compatible to influence the use, the invention discloses a heavy-duty wheel type carrying vehicle capable of maintaining the rigidity of a framework of the vehicle body and guaranteeing the effective support for the vehicle and resisting the deformation of the vehicle body and a use method thereof.
The technical scheme is as follows: in order to achieve the technical purpose, the invention adopts the following technical scheme:
the heavy-load wheel type carrying vehicle comprises a carrying chassis framework and a hub assembly for driving the carrying chassis framework to move, wherein a front wheel steering adjusting device for steering adjustment of the hub assembly is arranged on the carrying chassis framework, the front wheel steering adjusting device comprises a swinging frame arranged at the front part of the carrying chassis framework and a steering driving mechanism arranged on the swinging frame, and the end part of the swinging frame is connected with the carrying chassis framework in a matched manner through a spherical hinge;
the steering driving mechanism comprises a driving motor, a bogie, and steering knuckles and steering pull rods which are symmetrically arranged on two sides of a swinging frame, wherein the steering knuckles are rotationally connected with the swinging frame along the horizontal direction, one end of each steering pull rod is rotationally connected with a steering knuckle arm on the steering knuckle, the other end of each steering pull rod is rotationally connected with the steering knuckle, the steering knuckle is positioned on the front side of a joint of the steering pull rod along the running direction of a vehicle, one end of the steering knuckle, which is away from the steering pull rod, is connected with the driving end of the driving motor, the steering knuckle is driven by the driving motor to rotate, the steering knuckle connected with the steering pull rod is driven to rotate, and one side of the steering knuckle, which is away from the swinging frame, is provided with a connecting shaft for being matched with front wheels, and the steering knuckle rotates synchronously to realize vehicle steering.
Preferably, the knuckle arm of the present invention has a circular arc shape, and the bending direction is directed toward the side where the bogie is located.
Preferably, the bogie of the invention adopts an isosceles triangle structure, the bottom corner region is rotationally connected with the corresponding steering pull rod, and the driving end of the driving motor is fixedly connected with the vertex angle region of the bogie through the reduction gearbox to drive the rotating frame to rotate around the vertex angle region.
Preferably, the on-board chassis framework is further provided with an on-site steering mechanism for driving wheels to rotate for turning around, the on-site steering mechanism comprises an on-site steering driving motor arranged on the swinging frame, a linear guide rail sliding block mechanism connected with the on-site steering driving motor for driving the steering driving mechanism to move along the front-back direction of the vehicle, and a rear wheel steering adjusting device, the rear wheel steering adjusting device comprises a rear wheel steering push rod, a rear wheel steering knuckle and rear wheels, the rear wheel steering knuckle and the steering knuckle of the steering driving mechanism have the same structure, the rear wheels are arranged on the rear wheel steering knuckle, and the end parts of the rear wheel steering push rod are rotationally connected with steering knuckle arms on the rear wheel steering knuckle.
Preferably, the linear guide rail sliding block mechanism comprises a linear guide rail, a sliding block, a screw and a screw nut, wherein the screw is connected with the driving end of a in-situ steering driving motor, the screw nut is in threaded connection with the screw, the sliding block is fixed on one side of the screw nut, the bottom of the sliding block is in sliding connection with the linear guide rail fixed on the swinging frame, and the driving motor is fixed on the sliding block.
Preferably, the rear wheel steering knuckle is provided with a limiting block for limiting the rotation angle of the rear wheel, the limiting block comprises a straight limiting part and a in-situ steering limiting part, and a carrying chassis framework is provided with a framework structure for being abutted with the limiting block at each limiting position.
The invention also provides a use method of the heavy-duty wheel type carrying vehicle, which comprises the following steps:
s01, carrying a load or an accessory part through a carrying chassis framework, and driving the carrying vehicle to move; in the moving process of the vehicle, the swing frame positioned above and below the chassis framework swings along with the change of terrain, so that wheels keep contact with the ground;
s02, when turning, the front wheels are driven to rotate towards the steering side through the steering driving mechanism, and the turning radius is adjusted, so that the vehicle can steer according to the requirements;
and S03, when the steering driving mechanism is required to turn around, the linear guide rail sliding block mechanism drives the front ends of the front wheels to rotate inwards through the steering driving mechanism, the rear wheel steering push rod pushes the rear wheel steering knuckle to drive the rear ends of the rear wheels to rotate inwards, and then the vehicle turns around.
Preferably, in step S02, the process of driving the front wheel using the steering driving mechanism includes: and starting the driving motor, and driving the bogie to rotate in the direction consistent with the steering direction of the vehicle through the driving motor.
Preferably, in step S03, the process of performing the vehicle turn around includes: the steering driving mechanism drives the bogie to be parallel to the direction of the vehicle body, the position is kept unchanged, the two front wheels are parallel to the two sides of the swing frame, the in-situ steering driving motor drives the screw rod to rotate, the screw rod nut on the screw rod drives the sliding block to slide along the linear guide rail, meanwhile, the steering pull rod is pulled, the front end of the front wheel is pulled inwards, the rear wheel steering push rod drives the rear wheel to rotate through the rear wheel steering knuckle, the rear end of the rear wheel faces the inner side of the vehicle, and in-situ turning is carried out under the action of a power source of the vehicle.
The beneficial effects are that: the heavy-load wheel type carrying vehicle and the use method thereof have the following beneficial effects:
1. the swing frame is arranged below the carrying chassis framework, the front end and the rear end of the swing frame are rotationally connected with the carrying chassis framework through the two groups of spherical hinges, and the swing frame can swing along the connecting line of the two spherical hinges, so that wheels on the swing frame can always keep contact with the ground when a vehicle passes over a road surface with uneven terrain, and stable support is provided for the vehicle; meanwhile, the vehicle has better tolerance on the dimensional deviation of the steering mechanism and the frame, and can resist the deformation generated between the chassis framework and the swing frame.
2. The steering driving mechanism is arranged in the swing frame, so that the motion relation between the front wheels and the steering driving mechanism can be ensured when the swing is generated due to the change of the terrain, and stable steering driving can be maintained.
3. The bogie adopts a triangle structure, and is driven by a driving motor to rotate around a vertex angle area through a reduction gearbox, so as to drive a steering pull rod positioned in a bottom angle area to drive front wheels to rotate; the rotating shaft of the bogie is positioned in front of the connecting position of the steering pull rod (in front of the running direction of the vehicle), so that a better steering fitting angle of the left and right wheels can be obtained, the steering centers of the wheels at two sides in the steering process tend to be the same, and the friction loss of the wheels is reduced.
4. The steering driving mechanism is arranged at the moving end of the linear guide rail sliding block mechanism, and when in-situ steering is needed, the in-situ steering driving motor directly drives the linear guide rail sliding block mechanism to drive the steering driving mechanism to move along the front-rear direction of the vehicle, so that in-situ steering driving of front wheels is carried out, the original steering structure is directly utilized to realize the adjustment operation of the front wheels during in-situ steering, and the operation difficulty of the structure is simplified.
5. According to the invention, the rear wheel is adjusted through the rear wheel steering push rod, the limiting block is arranged on the rear wheel steering knuckle, and the mechanical limiting in the rear wheel adjusting process is carried out through the limiting block matched with the frame structure, so that the accuracy of the position adjustment of the rear wheel is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a diagram of the overall structure of the present invention;
FIG. 2 is a block diagram of a front wheel steering adjustment device according to the present invention;
FIG. 3 is a block diagram of the steering drive mechanism of the present invention;
FIG. 4 is a block diagram of a rear wheel steering adjustment apparatus according to the present invention;
FIG. 5 is a state diagram of the steering drive mechanism of the present invention when the vehicle is steered;
FIG. 6 is an overall vehicle state diagram for a vehicle of the present invention when the vehicle is turning;
FIG. 7 is a state diagram of the steering drive mechanism of the present invention when the vehicle is turned around in situ;
FIG. 8 is a state diagram of a rear wheel steering adjustment device for a vehicle in situ turning according to the present invention;
FIG. 9 is a diagram showing the overall state of the vehicle when the vehicle turns around in situ according to the present invention;
FIG. 10 is an overall state diagram of the vehicle of the present invention when traveling straight;
the vehicle comprises a 1-carrying chassis framework, a 2-swing frame, a 3-spherical hinge, a 4-driving motor, a 5-bogie, a 6-knuckle, a 7-steering pull rod, an 8-steering arm, a 9-front wheel, a 10-connecting shaft, an 11-reduction gearbox, a 12-in-situ steering driving motor, a 13-rear wheel steering push rod, a 14-rear wheel steering knuckle, a 15-rear wheel, a 16-linear guide rail, a 17-slider, a 18-lead screw, a 19-lead screw nut, a 20-limiting block, a 21-straight limiting part and a 22-in-situ steering limiting part.
Description of the embodiments
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments of the invention are shown, but in which the invention is not so limited.
As shown in fig. 1-10, the heavy-duty wheel type carrying vehicle disclosed by the invention comprises a carrying chassis framework 1 and a hub assembly for driving the carrying chassis framework 1 to move, wherein a front wheel steering adjusting device for steering the hub assembly is arranged on the carrying chassis framework 1, the front wheel steering adjusting device comprises a swinging frame 2 arranged at the front part of the carrying chassis framework 1 and a steering driving mechanism arranged on the swinging frame 2, and the end part of the swinging frame 2 is connected with the carrying chassis framework 1 in a matched manner through a spherical hinge 3.
As shown in fig. 1, when the vehicle runs, the swing frame 2 positioned below the carrying chassis frame 1 can swing along the connecting line direction of the two spherical hinges 3 as an axis due to the existence of the two spherical hinges 3, so that the front wheels positioned on the swing frame 2 can be always kept in contact with the ground, and when the vehicle passes through an uneven bottom surface, effective support is provided for the vehicle, and the vehicle can be ensured to run normally. Meanwhile, the steering driving mechanism is arranged in the swing frame 2, so that when the swing frame 2 swings due to a terrain problem, the driving connection relationship between the steering driving mechanism and the front wheels 9 can be ensured, and the steering operation of the vehicle is ensured.
In a specific embodiment, as shown in fig. 2 and 3, the steering driving mechanism of the invention comprises a driving motor 4, a bogie 5, a knuckle 6 and a steering pull rod 7 which are symmetrically arranged at two sides of a swinging frame 2, wherein the knuckle 6 is rotationally connected with the swinging frame 2 along the horizontal direction, one end of the steering pull rod 7 is rotationally connected with a knuckle arm 8 on the knuckle 6, the other end of the steering pull rod 7 is rotationally connected with the bogie 5, the bogie 5 is positioned at the front side of the joint with the steering pull rod 7 along the running direction of the vehicle, one end of the bogie 5, which is away from the steering pull rod 7, is connected with the driving end of the driving motor 4, the bogie 5 is driven to rotate by the driving motor 4, the knuckle 6 connected with the steering pull rod 7 is driven to rotate, and one side of the knuckle 6, which is away from the swinging frame 2, is provided with a connecting shaft 10 which is matched with front wheels 9, so that the wheels and the knuckle 6 synchronously rotate to realize the steering of the vehicle.
In order to facilitate steering adjustment of the vehicle, the driving motor 4 and the bogie 5 are preferably arranged in front of the joint of the steering pull rod 7 along the running direction of the vehicle, so that a better steering fitting angle of left and right wheels can be obtained, and the rotation axes of the wheels in the steering process are more close to the same point, so that friction loss of the wheels is reduced. The knuckle arm 8 is in an arc shape, the bending direction faces the side of the bogie 5, and the connecting position of the steering tie rod 7 is located on the inner side of the bending direction of the knuckle arm 8, so that the force transmission and the fitting of the steering angle of the wheels are facilitated.
The bogie 5 adopts a bilaterally symmetrical isosceles triangle structure, the bottom corner region is rotationally connected with the corresponding steering pull rod 7, and the driving end of the driving motor 4 is fixedly connected with the vertex corner region of the bogie 5 through the reduction gearbox 11 to drive the bogie 5 to rotate around the vertex corner region.
In the operation process of the vehicle, besides steering, when the vehicle is required to operate in some narrow areas or to reciprocate along a fixed route, the vehicle is required to turn around in a limited space so as not to damage materials and the like on two sides of a lane; therefore, as shown in fig. 3 and 4, the chassis frame 1 is further provided with a in-situ steering mechanism for driving wheels to turn around, the in-situ steering mechanism comprises a in-situ steering driving motor 12 arranged on the swinging frame 2, a linear guide rail sliding block mechanism connected with the in-situ steering driving motor 12 and driving the steering driving mechanism to move along the front-rear direction of the vehicle, and a rear wheel steering adjusting device, the rear wheel steering adjusting device comprises a rear wheel steering push rod 13, a rear wheel steering knuckle 14 and rear wheels 15, the rear wheel steering knuckle 14 has the same structure as the steering knuckle 6 of the steering driving mechanism, the rear wheels 15 are arranged on the rear wheel steering knuckle 14, and the end parts of the rear wheel steering push rod 13 are rotationally connected with the steering knuckle arms 8 on the rear wheel steering knuckle 14.
The linear guide rail sliding block mechanism comprises a linear guide rail 16, a sliding block 17, a lead screw 18 and a lead screw nut 19, wherein the lead screw 18 is connected with the driving end of the in-situ steering driving motor 12, the lead screw nut 19 is in threaded connection with the lead screw 18, the sliding block 17 is fixed on one side of the lead screw nut 19, the bottom of the sliding block 17 is in sliding connection with the linear guide rail 16 fixed on the swinging frame 2, and the driving motor 4 is fixed on the sliding block 17.
In order to simplify the steering driving of the rear wheels, the rear wheel steering push rod 13 is directly used for steering driving of the two rear wheels 15, and in order to ensure the accuracy of the rotation angle, the rear wheel steering knuckle 14 is provided with the limiting block 20 for limiting the rotation angle of the rear wheels 15, the limiting block 20 comprises a straight limiting part 21 and a in-situ steering limiting part 22, the carrying chassis framework 1 is provided with a framework structure for abutting against the limiting block 20 at each limiting position, and when the vehicle is in straight running or turning, the rotation angle of the rear wheels 15 can be limited directly through the mechanical structure between the limiting block 20 and the carrying chassis framework 1, so that the accuracy of steering operation is ensured, meanwhile, the complexity of the structure of the vehicle is reduced, the control is convenient, and the production cost is reduced.
The invention also provides a use method of the heavy-duty wheel type carrying vehicle, which comprises the following steps:
s01, carrying a load or an accessory part through a carrying chassis framework, and driving the carrying vehicle to move; in the moving process of the vehicle, the swing frame positioned above and below the chassis framework swings along with the change of terrain, so that wheels keep contact with the ground;
s02, when turning, the front wheels are driven to rotate towards the steering side through the steering driving mechanism, and the turning radius is adjusted, so that the vehicle can steer according to the requirements; the steering drive mechanism and the vehicle as a whole are shown in fig. 5 and 6, respectively, in the state of steering.
When the steering operation is carried out, the driving motor 4 is started firstly, the reduction gearbox 11 connected with the driving end of the driving motor 4 drives the bogie 5 to rotate in the direction consistent with the steering direction of the vehicle, the vehicle is required to steer to the right side according to the direction shown in fig. 5, the driving motor 4 drives the bogie 5 to rotate to the right side, namely in the anticlockwise direction, the steering pull rod 7 positioned at the left side pulls the front end of the front wheel 9 positioned at the left side to rotate to the right side through the steering knuckle arm 8, the steering pull rod 7 positioned at the left side pushes the front end of the front wheel 9 positioned at the right side to rotate to the right side, then the power source of the vehicle drives the wheels to rotate, the steering operation is realized, the driving mode common in the prior art can be used for driving the vehicle wheels, for example, the motor is directly connected to the connecting shaft 10 to rotate, and the driving of the front wheels and the rear wheels is realized through the motor driving the connecting shaft 10.
S03, when the steering driving mechanism is required to turn around, the steering driving mechanism is kept motionless, the front wheels are in a straight running state, the linear guide rail sliding block mechanism drives the front ends of the front wheels to rotate inwards through the steering driving mechanism, the rear wheel steering push rod pushes the rear wheel steering knuckle to drive the rear ends of the rear wheels to rotate inwards, and then the vehicle turns around.
In the process of turning adjustment, as shown in fig. 7-9, the steering driving mechanism drives the center line of the bogie 5 to be parallel to the direction of the vehicle body, the position of the steering driving mechanism is kept unchanged, the two front wheels 9 are parallel to two sides of the swinging frame 2, the in-situ steering driving motor 12 drives the lead screw 18 to rotate, the lead screw nut 19 on the lead screw 18 drives the slide block 17 to slide along the linear guide rail 16, according to the direction shown in fig. 7, when the in-situ turning adjustment is required, the slide block 17 drives the steering driving mechanism to move towards the rear end of the vehicle, meanwhile, the bogie 5 pulls the steering pull rod 7, the front end of the front wheels 9 moves towards the inner side of the vehicle along with the steering knuckle 6, the rear wheel steering push rod 13 drives the rear wheels 15 to rotate through the rear wheel steering knuckle 14, the rear ends of the rear wheels 15 face the inner side of the vehicle until the in-situ steering limiting part 22 of the limiting block 20 abuts against the limiting part carried on the chassis frame 1, and the state is shown in fig. 8; after the steering adjustment of the front wheels 9 and the rear wheels 15 is completed, the in-situ steering operation is performed under the action of the power source of the vehicle, and after the steering is completed, the in-situ steering mechanism is operated in the opposite direction to perform the alignment of the front wheels 9 and the rear wheels 15, so that the vehicle can continue to run in a straight line, and after the alignment, the straight-line limiting part 21 of the limiting block 20 is abutted with the limiting part on the carrying chassis framework 1, so that the rear wheels 15 are kept in a straight-line state.
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 (8)
1. The heavy-load wheel type carrying vehicle is characterized by comprising a carrying chassis framework (1) and a hub assembly for driving the carrying chassis framework (1) to move, wherein a front wheel steering adjusting device for steering adjustment of the hub assembly is arranged on the carrying chassis framework (1), the front wheel steering adjusting device comprises a swinging frame (2) arranged at the front part of the carrying chassis framework (1) and a steering driving mechanism arranged on the swinging frame (2), and the end part of the swinging frame (2) is connected with the carrying chassis framework (1) in a matched manner through a spherical hinge (3);
the steering driving mechanism comprises a driving motor (4) and a steering frame (5), steering knuckles (6) and steering pull rods (7) which are symmetrically arranged on two sides of the swing frame (2), the steering knuckles (6) are rotationally connected with the swing frame (2) along the horizontal direction, one ends of the steering pull rods (7) are rotationally connected with steering knuckle arms (8) on the steering knuckles (6), the other ends of the steering pull rods are rotationally connected with the steering frame (5), the steering frame (5) is positioned on the front side of a joint with the steering pull rods (7) along the driving direction of a vehicle, one ends of the steering frame (5) deviating from the steering pull rods (7) are connected with the driving end of the driving motor (4), the steering knuckle (5) is driven to rotate through the driving motor (4), the steering knuckle (6) connected with the steering pull rods (7) are driven to rotate, and one sides of the steering knuckle (6) deviating from the swing frame (2) are provided with connecting shafts (10) which are matched with front wheels (9), and the steering of the vehicle is realized in synchronization with the steering knuckles (6).
The vehicle is characterized in that the carrying chassis framework (1) is further provided with a in-situ steering mechanism for driving wheels to rotate for in-situ steering, the in-situ steering mechanism comprises a in-situ steering driving motor (12) arranged on the swing frame (2), a linear guide rail sliding block mechanism connected with the in-situ steering driving motor (12) for driving the steering driving mechanism to move along the front and rear directions of the vehicle, and a rear wheel steering adjusting device, the rear wheel steering adjusting device comprises a rear wheel steering push rod (13), a rear wheel steering knuckle (14) and rear wheels (15), the rear wheel steering knuckle (14) is identical to the steering knuckle (6) of the steering driving mechanism in structure, the rear wheels (15) are arranged on the rear wheel steering knuckle (14), and the end parts of the rear wheel steering push rod (13) are rotationally connected with steering knuckle arms (8) on the rear wheel steering knuckle (14).
2. A heavy-duty wheeled vehicle according to claim 1, characterized in that the knuckle arm (8) has a circular arc shape, with the bending direction being directed towards the side of the bogie (5).
3. The heavy-duty wheel type carrying vehicle according to claim 1, wherein the bogie (5) adopts an isosceles triangle structure, a base angle area is rotationally connected with a corresponding steering pull rod (7), and a driving end of the driving motor (4) is fixedly connected with a vertex angle area of the bogie (5) through a reduction gearbox (11) to drive the bogie (5) to rotate around the vertex angle area.
4. The heavy-duty wheel type carrying vehicle according to claim 1, wherein the linear guide rail sliding block mechanism comprises a linear guide rail (16), a sliding block (17), a screw rod (18) and a screw rod nut (19), the screw rod (18) is connected with the driving end of the in-situ steering driving motor (12), the screw rod nut (19) is screwed on the screw rod (18), the sliding block (17) is fixed on one side of the screw rod nut (19), the bottom of the sliding block (17) is in sliding connection with the linear guide rail (16) fixed on the swinging frame (2), and the driving motor (4) is fixed on the sliding block (17).
5. The heavy-duty wheel type vehicle according to claim 1, wherein a stopper (20) for limiting the rotation angle of the rear wheel (15) is provided on the rear wheel steering knuckle (14), the stopper (20) includes a straight-running stopper portion (21) and a pivot-turning stopper portion (22), and a frame structure for abutting against the stopper (20) at each stopper position is provided on the chassis frame (1).
6. A method of using a heavy duty wheeled vehicle according to any one of claims 1 to 5, comprising the steps of:
s01, carrying a load or an accessory part through a carrying chassis framework, and driving the carrying vehicle to move; in the moving process of the vehicle, the swing frame positioned above and below the chassis framework swings along with the change of terrain, so that wheels keep contact with the ground;
s02, when turning, the front wheels are driven to rotate towards the steering side through the steering driving mechanism, and the turning radius is adjusted, so that the vehicle can steer according to the requirements;
and S03, when the steering driving mechanism is required to turn around, the linear guide rail sliding block mechanism drives the front ends of the front wheels to rotate inwards through the steering driving mechanism, the rear wheel steering push rod pushes the rear wheel steering knuckle to drive the rear ends of the rear wheels to rotate inwards, and then the vehicle turns around.
7. The method of claim 6, wherein in step S02, the step of driving the front wheel using the steering driving mechanism includes: and starting the driving motor, and driving the bogie to rotate in the direction consistent with the steering direction of the vehicle through the driving motor.
8. The method for using the heavy-duty wheel loader according to claim 6, wherein in step S03, the process of turning the vehicle includes: the steering driving mechanism drives the bogie to be parallel to the direction of the vehicle body, the position is kept unchanged, the two front wheels are parallel to the two sides of the swing frame, the in-situ steering driving motor drives the screw rod to rotate, the screw rod nut on the screw rod drives the sliding block to slide along the linear guide rail, meanwhile, the steering pull rod is pulled, the front end of the front wheel is pulled inwards, the rear wheel steering push rod drives the rear wheel to rotate through the rear wheel steering knuckle, the rear end of the rear wheel faces the inner side of the vehicle, and in-situ turning is carried out under the action of a power source of the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310264525.5A CN115973274B (en) | 2023-03-20 | 2023-03-20 | Heavy-load wheel type carrying vehicle and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310264525.5A CN115973274B (en) | 2023-03-20 | 2023-03-20 | Heavy-load wheel type carrying vehicle and application method thereof |
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| Publication Number | Publication Date |
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| CN115973274A CN115973274A (en) | 2023-04-18 |
| CN115973274B true CN115973274B (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310264525.5A Active CN115973274B (en) | 2023-03-20 | 2023-03-20 | Heavy-load wheel type carrying vehicle and application method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5312123A (en) * | 1992-11-12 | 1994-05-17 | Ford New Holland, Inc. | Compound steer conversion apparatus |
| US5322309A (en) * | 1992-11-12 | 1994-06-21 | Ford New Holland, Inc. | Oscillation stops for tractors with compound steering mechanism |
| JP2001277827A (en) * | 2000-03-30 | 2001-10-10 | Kubota Corp | Wheel mounting section structure of small-sized electric vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7644942B2 (en) * | 2007-03-22 | 2010-01-12 | Cnh America Llc | Active axle suspension system |
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2023
- 2023-03-20 CN CN202310264525.5A patent/CN115973274B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5312123A (en) * | 1992-11-12 | 1994-05-17 | Ford New Holland, Inc. | Compound steer conversion apparatus |
| US5322309A (en) * | 1992-11-12 | 1994-06-21 | Ford New Holland, Inc. | Oscillation stops for tractors with compound steering mechanism |
| JP2001277827A (en) * | 2000-03-30 | 2001-10-10 | Kubota Corp | Wheel mounting section structure of small-sized electric vehicle |
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| CN115973274A (en) | 2023-04-18 |
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