CN112298399A - Self-propelled semitrailer and vehicle - Google Patents

Self-propelled semitrailer and vehicle Download PDF

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Publication number
CN112298399A
CN112298399A CN202011231192.9A CN202011231192A CN112298399A CN 112298399 A CN112298399 A CN 112298399A CN 202011231192 A CN202011231192 A CN 202011231192A CN 112298399 A CN112298399 A CN 112298399A
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CN
China
Prior art keywords
semitrailer
driving
self
wheel mechanism
propelled
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CN202011231192.9A
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Chinese (zh)
Inventor
李艳军
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Beijing Institute of Radio Measurement
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Beijing Institute of Radio Measurement
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Application filed by Beijing Institute of Radio Measurement filed Critical Beijing Institute of Radio Measurement
Priority to CN202011231192.9A priority Critical patent/CN112298399A/en
Publication of CN112298399A publication Critical patent/CN112298399A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D59/00Trailers with driven ground wheels or the like
    • B62D59/04Trailers with driven ground wheels or the like driven from propulsion unit on trailer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K7/00Disposition of motor in, or adjacent to, traction wheel
    • B60K7/0015Disposition of motor in, or adjacent to, traction wheel the motor being hydraulic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D5/00Power-assisted or power-driven steering
    • B62D5/06Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/061Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle provided with effort, steering lock, or end-of-stroke limiters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D53/00Tractor-trailer combinations; Road trains
    • B62D53/04Tractor-trailer combinations; Road trains comprising a vehicle carrying an essential part of the other vehicle's load by having supporting means for the front or rear part of the other vehicle
    • B62D53/06Semi-trailers

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)

Abstract

The invention provides a self-propelled semitrailer and a vehicle. The semitrailer includes: the semi-trailer comprises a frame, a driving wheel mechanism used for driving the semi-trailer to steer, lift and walk and a driven wheel mechanism used for supporting the semi-trailer, wherein the driving wheel mechanism and the driven wheel mechanism are respectively and correspondingly installed on the front side and the rear side of the frame. Through the design semitrailer that has driving wheel mechanism for the semitrailer can turn to and walk under the condition that does not have the tractor, shortens automobile body length, reduces turning radius, improves the trafficability characteristic of semitrailer, reduces the weight of semitrailer.

Description

Self-propelled semitrailer and vehicle
Technical Field
The invention relates to the technical field of vehicle equipment, in particular to a self-propelled semitrailer and a vehicle.
Background
The semitrailer has the characteristics of heavy load, simple maintenance, good economy and the like, is widely used for transporting large goods and equipment in the road transportation industry, and has a very important position in the military and civil fields. However, the semitrailer generally requires a towing vehicle to tow, thereby causing the following problems: firstly, the superposed body of the tractor and the semitrailer is too long, the turning diameter is large, the trafficability is poor, and the preset transportation transfer task is difficult to complete when the operation area is insufficient; secondly, the weight of the whole vehicle is large after the tractor is added, and the load of a bridge and the like is easily exceeded.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a self-propelled semitrailer and a vehicle.
The technical scheme for solving the technical problems is as follows: a self-propelled semitrailer, comprising: the semi-trailer comprises a frame, a driving wheel mechanism used for driving the semi-trailer to steer, lift and walk and a driven wheel mechanism used for supporting the semi-trailer, wherein the driving wheel mechanism and the driven wheel mechanism are respectively and correspondingly installed on the front side and the rear side of the frame.
The invention has the beneficial effects that: through the design semitrailer that has driving wheel mechanism for the semitrailer can turn to and walk under the condition that does not have the tractor, shortens automobile body length, reduces turning radius, improves the trafficability characteristic of semitrailer, reduces the weight of semitrailer.
Further, the drive wheel mechanism includes: the semitrailer comprises a steering device for driving the semitrailer to steer, a traveling device for driving the semitrailer to walk and a lifting device for driving the traveling device to lift, wherein the steering device is installed at the bottom of the front side of the frame, and the traveling device passes through the lifting device and is installed on the steering device.
The beneficial effect of adopting the further scheme is that: the steering equipment is arranged and used for driving the lifting equipment and the walking equipment to rotate, so that the steering work of the semitrailer is realized; lifting device's setting for go up and down the walking equipment, make the user can rise or descend the walking equipment according to actual need, the conversion between the traction mode of the semitrailer of being convenient for and the mode of proper motion, make the semitrailer can turn to and walk under the condition that does not have the tractor, shorten automobile body length, reduce turning radius, improve the trafficability characteristic of semitrailer, reduce the weight of semitrailer.
Further, the steering apparatus includes: the lifting device comprises a slewing bearing and a first driving part for driving the slewing bearing to rotate, wherein an inner ring of the slewing bearing and the first driving part are arranged at the bottom of the front side of the frame, the first driving part is meshed with an outer ring of the slewing bearing, and the lifting device is arranged on the outer ring of the slewing bearing.
The beneficial effect of adopting the further scheme is that: due to the arrangement of the slewing bearing and the first driving part, the semitrailer can automatically steer conveniently, the steering efficiency is improved, and the reliability and the stability of the semitrailer are improved. The semi-trailer can turn and walk without a tractor, the length of the trailer body is shortened, the turning radius is reduced, the trafficability of the semi-trailer is improved, and the weight of the semi-trailer is reduced.
Further, the first drive component is a hydraulic motor.
The beneficial effect of adopting the further scheme is that: the first driving part is a hydraulic motor, so that the slewing bearing is driven conveniently, the driving force is improved, the semitrailer is convenient to automatically steer, the steering efficiency is improved, and the reliability and the stability of the semitrailer are improved.
Further, the lifting device includes: the walking mechanism comprises a first connecting rod, a second connecting rod and a second driving part, wherein one end of the first connecting rod is connected with the outer ring of the slewing bearing, one end of the second connecting rod is hinged to the other end of the first connecting rod, the other end of the second connecting rod is hinged to the walking device, one end of the second driving part is hinged to the first connecting rod, and the other end of the second driving part is hinged to the second connecting rod.
The beneficial effect of adopting the further scheme is that: first connecting rod, the setting of second connecting rod and second driver part, be convenient for through the flexible of second driver part, realize the lift of walking equipment, make the user can be according to actual need, raise walking equipment or descend, the traction mode of the semitrailer of being convenient for and the conversion between the mode by oneself, make the semitrailer can be under the condition that does not have the tractor, can turn to and walk, shorten automobile body length, reduce turning radius, improve the trafficability characteristic of semitrailer, reduce the weight of semitrailer.
Further, the second driving part is a hydraulic oil cylinder.
The beneficial effect of adopting the further scheme is that: the second driving part is a hydraulic motor, is convenient for carry out lifting drive on the walking equipment, improves the driving force, is convenient for the walking equipment to automatically lift, improves the lifting efficiency, and improves the reliability and the stability of the semitrailer.
Further, the walking device includes: the other end of the second connecting rod is hinged to the middle of the axle, the third driving component and the planetary speed reducer are mounted on the axle, and the third driving component is connected with the wheels in a pair through the planetary speed reducer.
The beneficial effect of adopting the further scheme is that: axletree, a pair of wheel and third driver part's setting, be convenient for drive the wheel through the third driver part, realize advancing and retreating of semitrailer, make the user can be according to actual need, raise walking equipment or descend, be convenient for the traction mode of semitrailer and the conversion between the mode of proper motion, make the semitrailer can be under the condition that does not have the tractor, can turn to and walk, shorten automobile body length, reduce turning radius, improve the trafficability characteristic of semitrailer, reduce the weight of semitrailer.
Further, the third driving part is a hydraulic motor.
The beneficial effect of adopting the further scheme is that: the third driving part is a hydraulic motor, so that the walking equipment is driven conveniently, the driving force is improved, the semitrailer is convenient to walk automatically, the moving efficiency is improved, and the reliability and the stability of the semitrailer are improved.
Further, the drive wheel mechanism includes: the vehicle-mounted oil engine and the electric cabinet are installed at the top of the front side of the frame and are sequentially connected.
The beneficial effect of adopting the further scheme is that: the hydraulic pump station, the vehicle-mounted oil engine and the electric cabinet are arranged and used for supplying oil to the driving equipment accurately, so that the oil supply efficiency and precision are improved, and the stability and reliability of the semitrailer are improved.
Further, the present invention provides a vehicle including: the self-propelled semitrailer and the tractor are characterized in that the tractor is connected with the semitrailer.
The invention has the beneficial effects that: through the design semitrailer that has driving wheel mechanism for the semitrailer can turn to and walk under the condition that does not have the tractor, shortens automobile body length, reduces turning radius, improves the trafficability characteristic of semitrailer, reduces the weight of semitrailer. The user can lift or fall the walking equipment according to actual needs, and the conversion between the traction mode and the self-walking mode of the semitrailer is facilitated.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic overall structural diagram of a semitrailer according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a driving wheel mechanism of a semitrailer according to an embodiment of the present invention.
Fig. 3 is a use state diagram of the semitrailer provided by the embodiment of the invention.
The reference numbers illustrate: 1-a vehicle frame; 2-driving wheel mechanism; 3-a driven wheel mechanism; 4-a steering device; 5-walking equipment; 6-lifting equipment; 7-a slewing bearing; 8-a first drive component; 9-a first link; 10-a second link; 11-a second drive member; 12-an axle; 13-a wheel; 14-a hydraulic pump station; 15-vehicle oil engine; 16-an electric cabinet; 17-towing vehicle.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, an embodiment of the present invention provides a self-propelled semitrailer, including: the semi-trailer comprises a frame 1, a driving wheel mechanism 2 and a driven wheel mechanism 3, wherein the driving wheel mechanism 2 is used for driving the semi-trailer 1 to steer, lift and walk, the driven wheel mechanism 3 is used for supporting the semi-trailer 1, and the driving wheel mechanism 2 and the driven wheel mechanism 3 are respectively and correspondingly installed on the front side and the rear side of the frame 1.
The invention has the beneficial effects that: through the design semitrailer that has driving wheel mechanism for the semitrailer can turn to and walk under the condition that does not have the tractor, shortens automobile body length, reduces turning radius, improves the trafficability characteristic of semitrailer, reduces the weight of semitrailer.
Specifically, the embodiment of the invention provides a self-propelled semitrailer, which comprises a frame 1, a driving wheel mechanism 2, a driven wheel mechanism 3, a vehicle-mounted oil engine 15, a hydraulic pump station 14 and an electric cabinet 16. The semitrailer has a self-propelled mode and a traction mode: in the self-propelled mode, the driving wheel mechanism descends and lands, the tractor is separated from the semitrailer, and the whole semitrailer is supported by the driving wheel mechanism and the driven wheel mechanism; the driving wheel mechanism is driven by power provided by a hydraulic pump station, and the steering of the whole wheel mechanism is realized through the relative rotation of the inner ring and the outer ring of the slewing bearing, so that the semitrailer is driven to steer; and the wheels are driven to rotate by a hydraulic motor on the driving axle, so that the semitrailer can walk. The invention improves the traditional structure of the semitrailer, can travel by self-driving, improves the maneuverability of the vehicle and can improve the trafficability of the vehicle.
As shown in fig. 1, a self-propelled semitrailer includes: frame, driving wheel mechanism, driven wheel mechanism, on-vehicle oil machine, hydraulic power unit and electric cabinet. The driving wheel mechanism is arranged below a gooseneck of the frame; a hydraulic pump station and an electric cabinet are arranged on one side above the gooseneck of the frame, and the hydraulic pump station provides power for the walking, steering and lifting of the driving wheel mechanism; a vehicle-mounted oil engine is arranged on the other side above the gooseneck and supplies power to a hydraulic pump station and an electric control device; and a driven wheel mechanism is arranged at the tail part of the frame.
As shown in fig. 2, the driving wheel mechanism comprises a slewing bearing for steering, a hydraulic motor for driving the slewing bearing to act, a suspension assembly for supporting the vehicle frame and lifting the driving axle, and a driving axle for mounting wheels and a hydraulic walking driving actuating mechanism. The power source for walking and steering is a vehicle-mounted oil engine and is arranged on the semitrailer; the method comprises the following steps: the self-running mode and the traction mode. In the self-propelled mode, the driving wheel mechanism descends and lands, the tractor is separated from the semi-trailer, and the whole vehicle is supported by the driving wheel mechanism and the driven wheel mechanism; the driving wheel mechanism is driven by power provided by a hydraulic pump station, and the steering of the whole wheel mechanism is realized through the relative rotation of the inner ring and the outer ring of the slewing bearing, so that the semitrailer is driven to steer; and the wheels are driven to rotate by a hydraulic motor on the driving axle, so that the semitrailer can walk. Under the traction mode, a tractor is connected, the driving wheel mechanism is lifted off the ground, and the whole vehicle is supported by the tractor and the driven wheel mechanism to carry out traction running. After the tractor is separated from the semi-trailer, the semi-trailer can self-walk and turn.
A hydraulic oil cylinder is arranged in a suspension assembly (namely lifting equipment), and a driving axle (namely walking equipment) is driven to lift through the expansion of the hydraulic oil cylinder. The hydraulic walking driving executing mechanism (i.e. walking equipment) adopts the combination of a hydraulic motor and a planetary reducer. The method can also comprise the following steps: and the tractor pulls the semitrailer to walk through the traction pin. When in long-distance transportation, a traction mode is adopted; when the transportation is carried out in the field or the short-distance transportation is carried out, the self-propelled mode is adopted.
According to the semitrailer, the driving wheel mechanism is additionally arranged, and the semitrailer can realize self-walking and steering functions under the driving of the vehicle-mounted oil engine and the hydraulic pump station, so that the turning radius of the semitrailer is greatly reduced, and the trafficability in a narrow space is improved; when the limited load of a bridge road is lower than the weight of the whole trailer, the tractor and the semitrailer can be separated and passed, and the transportation passing property and the maneuverability of the semitrailer are improved.
As shown in fig. 2, further, the driving wheel mechanism 2 includes: the semitrailer bogie comprises a steering device 4 for driving a semitrailer to steer, a walking device 5 for driving the semitrailer to walk and a lifting device 6 for driving the walking device to lift, wherein the steering device 4 is installed at the bottom of the front side of the frame 1, and the walking device 5 is installed on the steering device 4 through the lifting device 6.
The beneficial effect of adopting the further scheme is that: the steering equipment is arranged and used for driving the lifting equipment and the walking equipment to rotate, so that the steering work of the semitrailer is realized; lifting device's setting for go up and down the walking equipment, make the user can rise or descend the walking equipment according to actual need, the conversion between the traction mode of the semitrailer of being convenient for and the mode of proper motion, make the semitrailer can turn to and walk under the condition that does not have the tractor, shorten automobile body length, reduce turning radius, improve the trafficability characteristic of semitrailer, reduce the weight of semitrailer.
As shown in fig. 2, further, the steering apparatus 4 includes: the lifting device comprises a slewing bearing 7 and a first driving part 8 for driving the slewing bearing 7 to rotate, wherein an inner ring of the slewing bearing 7 and the first driving part 8 are arranged at the bottom of the front side of the frame 1, the first driving part 8 is meshed with an outer ring of the slewing bearing 7, and the lifting device 6 is arranged on the outer ring of the slewing bearing 7.
The beneficial effect of adopting the further scheme is that: due to the arrangement of the slewing bearing and the first driving part, the semitrailer can automatically steer conveniently, the steering efficiency is improved, and the reliability and the stability of the semitrailer are improved. The semi-trailer can turn and walk without a tractor, the length of the trailer body is shortened, the turning radius is reduced, the trafficability of the semi-trailer is improved, and the weight of the semi-trailer is reduced.
The inner ring of the slewing bearing is connected with the frame through a bolt, the outer ring of the slewing bearing is connected with the suspension assembly through a flange, and the rotation of the whole driving wheel mechanism can be realized by utilizing the relative rotation of the inner ring and the outer ring of the slewing bearing, so that the semitrailer is driven to steer. A hydraulic oil cylinder is arranged in the suspension assembly, and the driving axle is driven to lift through the expansion of the hydraulic oil cylinder. The hydraulic walking driving actuating mechanism in the driving axle is formed by combining a hydraulic motor and a planetary reducer, a hydraulic pump station provides power to drive the hydraulic motor on the driving axle to rotate, and the hydraulic motor drives tires to rotate after the hydraulic motor passes through the planetary reducer, so that the semitrailer walks (moves forwards and backwards).
As shown in fig. 2, the first driving member 8 is a hydraulic motor.
The beneficial effect of adopting the further scheme is that: the first driving part is a hydraulic motor, so that the slewing bearing is driven conveniently, the driving force is improved, the semitrailer is convenient to automatically steer, the steering efficiency is improved, and the reliability and the stability of the semitrailer are improved.
As shown in fig. 2, further, the lifting device 6 includes: first connecting rod 9, second connecting rod 10 and second drive disk assembly 11, the one end of first connecting rod 9 with slewing bearing 7's outer lane is connected, the one end of second connecting rod 10 with the other end of first connecting rod 9 is articulated, the other end of second connecting rod 10 with walking equipment 5 is articulated, the one end of second drive disk assembly 11 with first connecting rod 9 is articulated, the other end of second drive disk assembly 11 with second connecting rod 10 is articulated.
The beneficial effect of adopting the further scheme is that: first connecting rod, the setting of second connecting rod and second driver part, be convenient for through the flexible of second driver part, realize the lift of walking equipment, make the user can be according to actual need, raise walking equipment or descend, the traction mode of the semitrailer of being convenient for and the conversion between the mode by oneself, make the semitrailer can be under the condition that does not have the tractor, can turn to and walk, shorten automobile body length, reduce turning radius, improve the trafficability characteristic of semitrailer, reduce the weight of semitrailer.
As shown in fig. 2, the second driving member 11 is a hydraulic cylinder.
The beneficial effect of adopting the further scheme is that: the second driving part is a hydraulic motor, is convenient for carry out lifting drive on the walking equipment, improves the driving force, is convenient for the walking equipment to automatically lift, improves the lifting efficiency, and improves the reliability and the stability of the semitrailer.
As shown in fig. 2, further, the walking device 5 includes: the bicycle comprises an axle 12, a pair of wheels 13 and a third driving component for driving the wheels to rotate, wherein the pair of wheels 13 are correspondingly arranged on two sides of the axle 12, the other end of the second connecting rod 10 is hinged with the middle part of the axle 12, the third driving component and the planetary reducer are arranged on the axle 12, and the third driving component is connected with the pair of wheels 13 through the planetary reducer.
The beneficial effect of adopting the further scheme is that: axletree, a pair of wheel and third driver part's setting, be convenient for drive the wheel through the third driver part, realize advancing and retreating of semitrailer, make the user can be according to actual need, raise walking equipment or descend, be convenient for the traction mode of semitrailer and the conversion between the mode of proper motion, make the semitrailer can be under the condition that does not have the tractor, can turn to and walk, shorten automobile body length, reduce turning radius, improve the trafficability characteristic of semitrailer, reduce the weight of semitrailer.
Further, the third driving part is a hydraulic motor.
The beneficial effect of adopting the further scheme is that: the third driving part is a hydraulic motor, so that the walking equipment is driven conveniently, the driving force is improved, the semitrailer is convenient to walk automatically, the moving efficiency is improved, and the reliability and the stability of the semitrailer are improved.
As shown in fig. 1, further, the driving wheel mechanism 2 includes: the frame comprises a hydraulic pump station 14 for supplying oil, a vehicle-mounted oil engine 15 for generating power and an electric control box 16, wherein the hydraulic pump station 14, the vehicle-mounted oil engine 15 and the electric control box 16 are installed at the top of the front side of the frame 1, and the vehicle-mounted oil engine 15, the electric control box 16 and the hydraulic pump station 14 are connected in sequence.
The beneficial effect of adopting the further scheme is that: the hydraulic pump station, the vehicle-mounted oil engine and the electric cabinet are arranged and used for supplying oil to the driving equipment accurately, so that the oil supply efficiency and precision are improved, and the stability and reliability of the semitrailer are improved.
As shown in fig. 3, further, the present invention provides a vehicle including: a self-propelled semitrailer and a tractor 17, said tractor 17 being connected to said semitrailer.
The invention has the beneficial effects that: through the design semitrailer that has driving wheel mechanism for the semitrailer can turn to and walk under the condition that does not have the tractor, shortens automobile body length, reduces turning radius, improves the trafficability characteristic of semitrailer, reduces the weight of semitrailer. The user can lift or fall the walking equipment according to actual needs, and the conversion between the traction mode and the self-walking mode of the semitrailer is facilitated.
A self-propelled semitrailer comprises a self-propelled mode and a traction mode. In the self-propelled mode, the driving wheel mechanism descends and lands, the tractor is separated from the semi-trailer, and the whole vehicle is supported by the driving wheel mechanism and the driven wheel mechanism; the driving wheel mechanism is driven by power provided by a hydraulic pump station, and the steering of the whole wheel mechanism is realized through the relative rotation of the inner ring and the outer ring of the slewing bearing, so that the semitrailer is driven to steer; and the wheels are driven to rotate by a hydraulic motor on the driving axle, so that the semitrailer can walk. Under the traction mode, a tractor is connected, the driving wheel mechanism is lifted off the ground, and the whole vehicle is supported by the tractor and the driven wheel mechanism to carry out traction running. When in long-distance transportation, a traction mode is adopted; when the transportation is carried out in the field or the short-distance transportation is carried out, the self-propelled mode is adopted.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A self-propelled semitrailer, comprising: the semi-trailer comprises a frame (1), a driving wheel mechanism (2) used for driving the semi-trailer to steer, lift and walk and a driven wheel mechanism (3) used for supporting the semi-trailer, wherein the driving wheel mechanism (2) and the driven wheel mechanism (3) are correspondingly installed on the front side and the rear side of the frame (1) respectively.
2. Self-propelled semitrailer according to claim 1, characterized in that said driving wheel mechanism (2) comprises: the semitrailer steering device comprises a steering device (4) for driving the semitrailer to steer, a walking device (5) for driving the semitrailer to walk and a lifting device (6) for driving the walking device to lift, wherein the steering device (4) is installed at the bottom of the front side of the frame (1), and the walking device (5) is installed on the steering device (4) through the lifting device (6).
3. Self-propelled semitrailer according to claim 2, characterized in that said steering device (4) comprises: the lifting device comprises a slewing bearing (7) and a first driving component (8) for driving the slewing bearing (7) to rotate, wherein an inner ring of the slewing bearing (7) and the first driving component (8) are installed at the bottom of the front side of the frame (1), the first driving component (8) is meshed with an outer ring of the slewing bearing (7), and the lifting device (6) is installed on the outer ring of the slewing bearing (7).
4. A self-propelled semitrailer according to claim 3, characterised in that said first drive component (8) is a hydraulic motor.
5. A self-propelled semitrailer according to claim 3, characterised in that said lifting device (6) comprises: first connecting rod (9), second connecting rod (10) and second drive disk assembly (11), the one end of first connecting rod (9) with the outer lane of slewing bearing (7) is connected, the one end of second connecting rod (10) with the other end of first connecting rod (9) is articulated, the other end of second connecting rod (10) with walking equipment (5) are articulated, the one end of second drive disk assembly (11) with first connecting rod (9) are articulated, the other end of second drive disk assembly (11) with second connecting rod (10) are articulated.
6. A self-propelled semitrailer according to claim 5, characterised in that said second drive member (11) is a hydraulic ram.
7. Self-propelled semitrailer according to claim 5, characterized in that said walking device (5) comprises: the bicycle comprises an axle (12), a pair of wheels (13) and a third driving component for driving the wheels (13) to rotate, wherein the pair of wheels (13) are correspondingly arranged on two sides of the axle (12), the other end of a second connecting rod (10) is hinged with the middle part of the axle (12), the third driving component and a planetary reducer are arranged on the axle (12), and the third driving component is connected with the pair of wheels (13) through the planetary reducer.
8. A self-propelled semitrailer according to claim 7, characterised in that said third drive member is a hydraulic motor.
9. Self-propelled semitrailer according to claim 7, characterized in that said driving wheel mechanism (2) comprises: the oil-supply vehicle-mounted oil machine comprises a hydraulic pump station (14) for supplying oil, a vehicle-mounted oil machine (15) for generating electricity and an electric cabinet (16), wherein the hydraulic pump station (14), the vehicle-mounted oil machine (15) and the electric cabinet (16) are installed at the top of the front side of the frame (1), and the vehicle-mounted oil machine (15), the electric cabinet (16) and the hydraulic pump station (14) are sequentially connected.
10. A vehicle, characterized by comprising: a self-propelled semitrailer and a tractor as claimed in any one of claims 1 to 9, said tractor (17) being coupled to said semitrailer.
CN202011231192.9A 2020-11-06 2020-11-06 Self-propelled semitrailer and vehicle Pending CN112298399A (en)

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CN202011231192.9A CN112298399A (en) 2020-11-06 2020-11-06 Self-propelled semitrailer and vehicle

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113246745A (en) * 2021-05-19 2021-08-13 河南科技大学 Auxiliary drive control method of new energy semitrailer and new energy semitrailer
CN115147051A (en) * 2022-09-01 2022-10-04 菏泽京九特种汽车有限公司 Special lifting vehicle transportation safety supervision system based on big data

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