CN217575406U

CN217575406U - Special vehicle chassis with bidirectional driving and omnidirectional movement

Info

Publication number: CN217575406U
Application number: CN202221620832.XU
Authority: CN
Inventors: 田彦龙; 朱庆伍; 郑乔
Original assignee: Chengdu Lihang Technology Co Ltd
Current assignee: Chengdu Lihang Technology Co Ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-10-14
Anticipated expiration: 2032-06-27

Abstract

The utility model discloses a special vehicle chassis with bidirectional driving and omnidirectional movement, which comprises a first cab, an omnidirectional wheel, a main beam assembly and a second cab; the first cab and the second cab are respectively connected to the front end and the rear end of the main beam assembly; telescopic oil cylinders with the same structure are arranged at the joints of the first cab and the second cab and the main beam assembly respectively; the corresponding position of the main beam assembly is connected with the omnidirectional wheel; the main beam assembly is provided with an expansion module A and an expansion module B; still be provided with expansion interface C on the girder assembly and be used for the goods installation, great improvement special type haulage vehicle's trafficability characteristic.

Description

Special vehicle chassis with bidirectional driving and omnidirectional movement

Technical Field

The utility model relates to a vehicle chassis technical field, concretely relates to special vehicle chassis with two-way driving and omnidirectional movement.

Background

With the continuous development of the land transportation industry, the use requirements of transportation vehicles are also continuously subdivided, and the goods transported by large special vehicles are usually special steel, gravel or other large artifacts, so the requirements of the large special vehicles are also continuously improved.

Omni wheels (omni wheels) can move in many different directions, and the small discs of the left and right wheels will push out with full force, but will also slide laterally with great ease. This is one way to build a complete drive. The omni-wheel can roll sideways like a normal wheel or a roller using a roller wheel, and the rubber roller thereof provides great haste. It is suitable for use with robots, hand trucks, transfer conveyors, trucks, luggage, etc., and the omni-directional wheel will provide improved performance when integrated with a conventional wheel. For example, two conventional wheel center axles and four omni-directional front and rear axle wheels may be used to create a six-wheeled vehicle. The omni-directional wheel moves and rotates, which is easy to steer and track, and turns as fast as possible. The omni-directional wheel is very simple and stable without lubrication or field maintenance and installation options. Omni-directional wheels can generally be roughly classified into 2 types: one is a single-disk omnidirectional wheel, and the other is a double-row omnidirectional wheel. Compared with a single-disk omnidirectional wheel, the omnidirectional wheel has the advantage that no dead zone exists between rollers of the omnidirectional wheel with double plates.

The telescopic hydraulic cylinder is formed by sleeving two or more piston type hydraulic cylinders, a piston rod of a piston cylinder of a previous stage is a cylinder barrel of a piston cylinder of a next stage, when pressure oil enters from a rodless cavity, the cylinder barrel with the largest effective area of the piston begins to extend, and when the pressure oil reaches a terminal point, the cylinder barrel with the next largest effective area of the piston begins to extend. The telescopic hydraulic extending sequence is that the telescopic hydraulic extending sequence extends from large to small, so that a long working stroke can be obtained, and the smaller the effective area of the extending cylinder barrel is, the faster the extending speed is. Therefore, the extension speed is changed from slow to fast, and the corresponding hydraulic thrust is changed from large to small; the change rule of the thrust and the speed is suitable for the requirements of various automatic loading and unloading machines on the thrust and the speed. The retraction sequence is generally from small to large, the axial length during retraction is short, the occupied space is small, and the structure is compact. Is commonly used in hydraulic systems of engineering machinery and other walking machinery, such as cranes, dump trucks and the like.

For the two-way motor-driven transportation vehicles in the current mainstream market, the two-way motor-driven transportation vehicles are only applied to special environments, such as trackless rubber-tyred vehicles applied to mine roadways, two driving cabs are respectively arranged at two ends of a carriage of the trackless rubber-tyred vehicle, forward or backward driving and steering braking are respectively controlled, driving braking of a steering front axle or a steering rear axle can be controlled through double control of hand braking or foot braking, and the braking safety of the trackless rubber-tyred vehicle is guaranteed. Or the bidirectional electric automobile is applied to manned bidirectional control electric automobiles, can realize linkage of a plurality of groups of vehicle control equipment, has the functions of activating and using or closing and deactivating forward and reverse mobile equipment of a cab, and has the function of containing and processing the vehicle control equipment of one cab.

The applicant has found that the prior art has at least the following technical problems:

1. the trackless rubber-tyred vehicle is applied and developed only aiming at a mine roadway in the technology used by the trackless rubber-tyred vehicle, the mine roadway usually only has one unidirectional passage, and the height of the mine roadway is fixed, so the trackless rubber-tyred vehicle cannot realize the lifting and obstacle avoidance of the whole vehicle, and cannot realize the obstacle avoidance function when other field special transportation tasks are executed in raised obstacles or low-lying pits, and forced transportation even can cause damage to goods, so the trackless rubber-tyred vehicle does not have adaptability to other field large special transportation tasks.

2. For other mainstream bidirectional transport vehicles on the market, bidirectional conversion transport can be realized on one channel generally, and the direction can not be converted on site in other directions, so that the posture of the transport vehicle can not be adjusted timely when the transport vehicle faces some extreme complicated road conditions, and the possibility of encountering extreme complicated road conditions is high for special equipment transport vehicles, so that the trafficability of the transport vehicle faces the extreme complicated road conditions is not high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special vehicle chassis with two-way driving and omnidirectional movement to solve the not high technical problem of special transportation vehicle passing nature in the face of complicated road conditions.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a special vehicle chassis with bidirectional driving and omnidirectional movement comprises a first cab, omnidirectional wheels, a main beam assembly and a second cab; the first cab and the second cab are respectively connected to the front end and the rear end of the main beam assembly; telescopic oil cylinders with the same structure are arranged at the joints of the first cab and the second cab and the main beam assembly respectively; the corresponding position of the main beam assembly is connected with the omnidirectional wheel; the main beam assembly is provided with an expansion module A and an expansion module B; and an expansion interface C is further arranged on the main beam assembly and used for mounting goods.

Alternatively or preferably, the mechanical structure of the first and second cabs is the same.

Alternatively or preferably, the first cab and the second cab are respectively connected with the piston rod ends of the adjacent telescopic cylinders in a coupling and hinging mode.

Optionally or preferably, a guide rail and a slider are arranged at the coupling and hinging positions of the first cab and the second cab and the piston rod ends of the adjacent telescopic cylinders respectively, and the guide rail and the slider are used for lifting the cab.

Optionally or preferably, the cylinder ends of the telescopic cylinders are respectively coupled and hinged with the main beam assembly.

Optionally or preferably, the omnidirectional wheel comprises a rotary speed reducer, a lifting oil cylinder, a walking motor, a wheel side speed reducer and a tire; the traveling motor is connected with a wheel side speed reducer in a belt transmission mode, the tire is mounted with the wheel side speed reducer in a coupling mode, and the lifting oil cylinder is connected with the rotary speed reducer in a welding mode.

Optionally or preferably, the omni wheel is connected with the main beam assembly by a screw.

Alternatively or preferably, the first and second cabs are raised and lowered by hydraulic control.

Optionally or preferably, the expansion interface C is disposed at a middle position of the main beam assembly.

Based on the technical scheme, the embodiment of the utility model provides a can produce following technological effect at least:

(1) The utility model provides a special vehicle chassis with two-way driving and omnidirectional movement, the flexible hydro-cylinder that sets up in the junction of driver's cabin and girder assembly through the flexible of flexible hydro-cylinder and the effect of slider, guide rail, is acted by the hydro-cylinder tailpiece of the piston rod end, just can realize the lift of whole driver's cabin, widens driver's field of vision scope in the driver's cabin, avoids the emergence of accident; still be provided with lift cylinder simultaneously on the omniwheel, make the utility model discloses carry out special transportation task in the field, when in the face of protruding barrier or low-lying hole ground, improve the adaptability in the face of different complex environment through rising vehicle chassis.

(2) The utility model provides a pair of special vehicle chassis with two-way driving and omnidirectional movement can carry out 0-360 rotations through the omnidirectional wheel that sets up, possesses the omnidirectional movement function, makes the utility model discloses when in the face of some extreme complicated road conditions, the driver can be timely the gesture of adjustment haulage vehicle, improve haulage vehicle trafficability characteristic when in the face of extreme complicated road conditions.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic connection diagram of an embodiment of the present invention;

fig. 3 is a schematic view of a drive wheel set.

In the figure: 1. a first cab; 2. an omni wheel; 201. a rotary speed reducer; 202. a lift cylinder; 203. a travel motor; 204. a hub reduction gear; 205. a tire; 3. a main beam assembly; 4. a second cab; 5. a telescopic oil cylinder; 6. a guide rail; 7. a slide block.

Detailed Description

As shown in fig. 1-3:

a special vehicle chassis with bidirectional driving and omnidirectional movement comprises a first cab 1, omnidirectional wheels 2, a main beam assembly 3 and a second cab 4; the first cab 1 and the second cab 4 are respectively connected to the front end and the rear end of the main beam assembly 3; telescopic oil cylinders 5 with the same structure are arranged at the joints of the first cab 1 and the second cab 4 and the main beam assembly 3 respectively; the corresponding position of the main beam assembly 3 is connected with the omnidirectional wheel 2; the main beam assembly 3 is provided with an expansion module A and an expansion module B; and an expansion interface C is further arranged on the main beam assembly 3 and used for installing goods.

The utility model provides a pair of special vehicle chassis with two-way driving and omnidirectional movement, girder assembly 3 comprises girder and intermediate junction's auxiliary beam, first driver's cabin 1 and second driver's cabin 4's structure is the same, first driver's cabin 1 and second driver's cabin 4 are adjacent to be provided with guide rail 6 respectively, slider 7, first driver's cabin 1 and second driver's cabin 4 are through adjacent guide rail 6 separately, slider 7 is connected with girder assembly 3, first driver's cabin 1 and second driver's cabin 4 are provided with the same flexible hydro-cylinder 5 with girder assembly 3's coupling part separately, the tailpiece of the piston rod of flexible hydro-cylinder 5 is connected through articulated mode with the driver's cabin, the cylinder end of flexible hydro-cylinder 5 is connected through articulated mode with girder assembly 3, consequently first driver's cabin 1 and second driver's cabin 4 can be respectively through flexible hydro-cylinder 5, the lift of guide rail 6 and slider 7 realization driver's cabin. Two omnidirectional wheels 2 are respectively arranged at corresponding positions on two sides of a main beam assembly, 4 omnidirectional wheels 2 are arranged on the main beam assembly 3, the structures of the wheel sets of the 4 omnidirectional wheels 2 are the same, and each omnidirectional wheel 2 comprises a rotary speed reducer 201, a lifting oil cylinder 202, a walking motor 203, a wheel-side speed reducer 204 and a tire 205; the walking motor 203 is connected with a wheel side speed reducer 204 in a belt transmission mode, the tire 205 is further coupled with the wheel side speed reducer 204, the lifting oil cylinder 202 is connected with the rotary speed reducer 201 in a welding mode, and the omnidirectional wheel 2 is connected with the main beam assembly 3 in a bolt mode; the front end and the rear end of the main beam assembly 3 are reserved with an expansion module A and an expansion module B which are used for freely installing other structures, such as an accessory box, a seat and the like, and the middle position of the main beam assembly 3 is provided with 4 identical interfaces C for installing goods and realizing the function of goods transportation.

As an alternative embodiment, the mechanical structure of the first cab 1 and the second cab 4 is the same.

As an alternative embodiment, the first cab 1 and the second cab 4 are respectively connected with the piston rod ends of the adjacent telescopic cylinders 5 in a coupling and hinging manner; of course, the connection may be in other manners as long as it is ensured that the first cab 1 and the second cab 4 are reliably connected to the rod ends of the respective adjacent telescopic cylinders 5.

As an alternative embodiment, a guide rail 6 and a slider 7 are arranged at the coupling and hinging positions of the first cab 1 and the second cab 4 and the piston rod ends of the adjacent telescopic cylinders 5 respectively for lifting and lowering the cabs.

As an optional implementation manner, the cylinder ends of the telescopic cylinders 5 are respectively coupled and hinged with the main beam assembly 3; of course, the connection can be made in other manners as long as the cylinder ends of the telescopic cylinders 5 can be reliably connected with the main beam assembly 3.

As an alternative embodiment, the omni wheel 2 comprises a rotary speed reducer 201, a lifting cylinder 202, a walking motor 203, a wheel-side speed reducer 204 and a tire 205; the traveling motor 203 is connected with a wheel side speed reducer 204 in a belt transmission mode, the tire 205 is further coupled with the wheel side speed reducer 204, and the lifting oil cylinder 202 is connected with the rotary speed reducer 201 in a welding mode.

As an alternative embodiment, the omni wheel 2 is connected with the main beam assembly 3 by a screw; of course, the connection in other manners can be adopted as long as the reliable connection between the 4 omnidirectional wheels 2 and the main beam assembly 3 can be ensured.

As an alternative embodiment, the first cab 1 and the second cab 4 are lifted and lowered by means of hydraulic control.

As an optional implementation manner, the expansion interface C is disposed at a middle position of the main beam assembly 3; of course, other control methods, such as electrical control, may be used in addition to hydraulic control.

The utility model provides a pair of special vehicle chassis's application method with two-way driving and omnidirectional movement does:

when the visual field range of a driver in the cab needs to be expanded or other operation requirements need to be expanded, the driver can enable the piston rod end of the telescopic oil cylinder 5 to act through electrical control or hydraulic control, and the lifting of the whole cab can be realized under the action of the stretching of the telescopic oil cylinder 5, the guide rail 6 and the sliding block 7; when a special transport vehicle faces a raised barrier or a low-lying pit, a driver in a cab can realize the integral lifting of the vehicle chassis by synchronously controlling the lifting of the hydraulic oil cylinders 202 in the 4 omnidirectional wheels 2, so that the adaptability of the special transport vehicle to different complex environments is improved; during transportation and traveling of the special transport vehicle, the motor input of the rotary speed reducer drives the wheel set to rotate around the rotary speed reducer 201, so that the wheel set can stop at any position, the traveling motor 203 drives the wheel side speed reducer 204 and the tires 205 to travel, and the chassis can travel in a straight, oblique, transverse, in-situ rotation mode and a normal traveling mode through the traveling matching of the steering engine.

Claims

1. A special vehicle chassis with bidirectional driving and omnidirectional movement is characterized in that: the device comprises a first cab (1), an omnidirectional wheel (2), a main beam assembly (3) and a second cab (4); the first cab (1) and the second cab (4) are respectively connected to the front end and the rear end of the main beam assembly (3); telescopic oil cylinders (5) with the same structure are arranged at the joints of the first cab (1) and the second cab (4) and the main beam assembly (3) respectively; the corresponding position of the main beam assembly (3) is connected with the omnidirectional wheel (2); the main beam assembly (3) is provided with an expansion module A and an expansion module B; and an expansion interface C is further arranged on the main beam assembly (3) and used for installing goods.

2. A special vehicle chassis having bi-directional steering and omni-directional movement as claimed in claim 1, wherein: the first cab (1) and the second cab (4) have the same mechanical structure.

3. A special vehicle chassis having bi-directional steering and omni-directional movement as claimed in claim 1, wherein: the first cab (1) and the second cab (4) are respectively connected with the piston rod ends of the adjacent telescopic oil cylinders (5) in a coupling and hinging mode.

4. A special vehicle chassis having bi-directional steering and omni-directional movement as claimed in claim 3, wherein: and a guide rail (6) and a sliding block (7) are arranged at the coupling and hinging positions of the first cab (1) and the second cab (4) and the piston rod ends of the adjacent telescopic oil cylinders (5) respectively and are used for lifting the cabs.

5. A special vehicle chassis having bi-directional steering and omni-directional movement as claimed in claim 1, wherein: and the cylinder barrel end of the telescopic oil cylinder (5) is respectively coupled and hinged with the main beam assembly (3).

6. A special vehicle chassis with bi-directional steering and omni-directional movement as claimed in claim 1, wherein: the omnidirectional wheel (2) comprises a rotary speed reducer (201), a lifting oil cylinder (202), a walking motor (203), a wheel side speed reducer (204) and a tire (205); the traveling motor (203) is connected with a wheel side speed reducer (204) in a belt transmission mode, the tire (205) is further mounted with the wheel side speed reducer (204) in a coupling mode, and the lifting oil cylinder (202) is connected with the rotary speed reducer (201) in a welding mode.

7. A special vehicle chassis having bi-directional steering and omni-directional movement as claimed in claim 1, wherein: the omnidirectional wheel (2) is connected with the main beam assembly (3) in a screw mode.

8. A special vehicle chassis with bi-directional steering and omni-directional movement as claimed in claim 1, wherein: the first cab (1) and the second cab (4) are lifted and lowered in a hydraulic control mode.

9. A special vehicle chassis having bi-directional steering and omni-directional movement as claimed in claim 1, wherein: the expansion interface C is arranged in the middle of the main beam assembly (3).

10. A special vehicle chassis having bi-directional steering and omni-directional movement as claimed in claim 1, wherein: the expansion module A and the expansion module B are respectively arranged at the front end and the rear end of the main beam assembly (3).