CN210526685U - Self-adjusting front flow guiding device for truck - Google Patents
Self-adjusting front flow guiding device for truck Download PDFInfo
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- CN210526685U CN210526685U CN201921199638.7U CN201921199638U CN210526685U CN 210526685 U CN210526685 U CN 210526685U CN 201921199638 U CN201921199638 U CN 201921199638U CN 210526685 U CN210526685 U CN 210526685U
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Abstract
The utility model discloses a self-interacting front guiding device of truck, include: the air guide sleeve lining plate is fixedly arranged on the top plate of the cab; the air guide sleeve is arranged on the outer side of the air guide sleeve lining plate in a surrounding manner; the two first sliding chutes are symmetrically arranged on two sides of the air guide sleeve respectively; the two first telescopic rods are respectively and fixedly arranged on the left side and the right side of a back plate of the cab along the vertical direction; the movable end of the first telescopic rod is arranged in the first sliding groove in a matching mode; the two fixed guide rails are respectively and symmetrically fixedly arranged on the left side and the right side of the front part of the carriage along the vertical direction; the two telescopic guide plates are respectively and symmetrically arranged between the cab and the carriage; the transition closed cover is covered and supported on the two second telescopic rods and is connected among the air guide cover, the two telescopic guide plates and the fixed guide rail; and the driving device is used for driving the movable end of the first telescopic rod to extend or retract, so that the included angle between the main flow guide plate of the air guide sleeve and the top plate of the cab is increased or reduced.
Description
Technical Field
The utility model belongs to the technical field of the front fairing of truck, in particular to self-interacting front fairing of truck.
Background
When the truck is running at high speed, the pneumatic resistance of the resistance suffered by the truck occupies a large proportion. The great part of the reasons is that a large gap and a vertical height difference exist between a truck cab and a container (carriage), when the former causes the incoming flow to pass through the gap, a large airflow separation area is generated around the tail end of the cab and collides with the incoming flow of the crosswind to form a vortex of irregular movement, so that the resistance is increased; the latter can cause the incoming flow to directly contact the front surface of the cargo box after passing through the cab to form a positive pressure area, thereby increasing the resistance.
In the prior art, the flow guide device is generally of a fixed structure, can only play a flow guide role or delay vortex separation in a partial basin, and is difficult to deal with the condition of starting resistance coefficient change under different vehicle speeds; the flow guiding effect is not ideal.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a self-adjusting front flow guiding device of a truck, which adopts an integrated assembly of a flow guiding cover and a side flow guiding plate to ensure the smooth flow of incoming flow; and the air guide sleeve can rotate to change the opening degree so as to deal with the situation that the resistance coefficient is increased due to the change of the vehicle speed, and the air guide sleeve is kept in the optimal pneumatic state.
The utility model provides a technical scheme does:
a self-adjusting truck front deflector, comprising:
the air guide sleeve lining plate is fixedly arranged on the top plate of the cab;
the air guide sleeve is arranged on the outer side of the air guide sleeve lining plate in a surrounding manner;
the air guide sleeve comprises a main guide plate and two side guide plates, wherein the two side guide plates are respectively and fixedly connected to the left side and the right side of the main guide plate; an included angle is formed between the main flow guide plate and the top plate of the cab; one end of each of the two side guide plates is rotatably connected with one end of each of the air guide sleeve lining plates;
the two first sliding chutes are symmetrically arranged at the other ends of the two side guide plates respectively;
the two first telescopic rods are respectively and fixedly arranged on the left side and the right side of a back plate of the cab along the vertical direction;
the movable end of the first telescopic rod is arranged in the first sliding groove in a matching mode and can move along the first sliding groove;
the two fixed guide rails are respectively and symmetrically fixedly arranged on the left side and the right side of the front part of the carriage along the vertical direction, and the two fixed guide rails respectively correspond to the two first telescopic rods in position;
the two telescopic guide plates are respectively and symmetrically arranged between the cab and the carriage;
one side of the telescopic guide plate is connected to the first telescopic rod, and the other side of the telescopic guide plate is connected to the fixed guide rail in a matching manner; the telescopic guide plate can be extended or shortened along the vertical direction or the horizontal direction respectively;
one end of each of the two second telescopic rods is rotatably connected with the top end of the fixed guide rail, and the other end of each of the two second telescopic rods is rotatably connected with the top of the air guide sleeve;
the transition closed hood is supported on the two second telescopic rods in a covering mode and connected among the air guide hood, the two telescopic guide plates and the fixed guide rail;
and the driving device is connected with the first telescopic rod and used for driving the movable end of the first telescopic rod to extend or retract, so that the included angle between the main flow guide plate of the air guide sleeve and the top plate of the cab is increased or reduced.
Preferably, the cowl liner includes:
a bottom plate fixedly mounted on a roof of the cab;
two side lining plates which are respectively and fixedly connected with the left side and the right side of the top plate;
one end of each side lining plate is connected with one end of each side guide plate through a rotating shaft.
Preferably, guide grooves are respectively formed in two sides of the two side guide plates, and guide columns are fixedly mounted on the two side lining plates;
wherein, the guide post is arranged in the guide groove in a matching way.
Preferably, the first telescopic rod comprises:
the guide rod is fixedly connected with the cab back plate;
the rod sleeve is sleeved on the guide rod in a matching manner and can move along the axial direction of the guide rod;
wherein, the top end of the rod sleeve is arranged in the first sliding groove in a matching manner.
Preferably, the method further comprises the following steps:
the two ends of the supporting connecting rod are respectively movably arranged in the first sliding groove;
and the two ends of the support connecting rod are respectively fixedly connected with the top ends of the two rod sleeves.
Preferably, the driving means includes:
the motor is fixedly arranged on the bottom plate of the air guide sleeve lining plate;
the gear is coaxially and fixedly connected with an output shaft of the motor; and
the rack is fixedly arranged on the rod sleeve along the vertical direction;
wherein, the gear and the rack are in meshed transmission.
Preferably, one end of the second telescopic rod is connected with a universal joint; the top of the air guide sleeve is connected with the universal joint through a rotating shaft.
Preferably, the telescopic baffle comprises:
one end of the first sliding chute is connected with the top of the rod sleeve through a universal joint;
the first rail is arranged in the first sliding groove in a matching mode, and one end of the first rail is connected into the fixed guide rail through a universal joint;
the top of the first inner plate is fixedly connected with the first rail;
the first outer plate is arranged close to the outer side of the first inner plate, and the top of the first outer plate is fixedly connected with the first sliding groove;
one end of the second sliding chute is connected with the guide rod through a universal joint;
the second track is arranged in the second sliding groove in a matching mode, and one end of the second track is connected into the fixed guide rail through a universal joint;
one end of the third sliding chute is connected with the bottom end of the guide rod through a universal joint;
the third rail is arranged in the third sliding groove in a matching mode, and one end of the third rail is connected to the bottom end of the fixed guide rail through a universal joint;
the top of the second inner plate is fixedly connected with the second rail, and the bottom of the second inner plate is fixedly connected with the third rail; and
a second outer plate disposed in close contact with an outer side of the second inner plate; the top of the second outer plate is fixedly connected with the second sliding groove, and the bottom of the second outer plate is fixedly connected with the third sliding groove.
The utility model has the advantages that:
the self-adjusting front flow guiding device of the truck provided by the utility model adopts an integrated assembly of the air guide sleeve and the side flow guide plate, so that the smooth flow of the incoming flow can be ensured; and the air guide sleeve can rotate to change the opening degree so as to deal with the situation that the resistance coefficient is increased due to the change of the vehicle speed.
Drawings
Fig. 1 is a schematic diagram of the general structure of a self-adjusting front flow guiding device of a truck according to the present invention.
Fig. 2 is a schematic diagram of the structure of the liner plate of the draft shield of the present invention.
Fig. 3 is a schematic view of the structure of the air guide sleeve of the present invention.
Fig. 4 is a schematic view of the connection between the second telescopic rod and the air guide sleeve.
Fig. 5 is a schematic view of a first universal joint according to the present invention.
Fig. 6 is a schematic view of the connection between the first telescopic rod and the air guide sleeve.
Fig. 7 is an internal schematic view of the first telescopic rod connected with the air guide sleeve.
Fig. 8 is a schematic view of the driving device according to the present invention.
Fig. 9 is a schematic view of the outside of the telescopic guide plate according to the present invention.
Fig. 10 is a schematic view of the inner side of the telescopic guide plate according to the present invention.
Fig. 11 is a schematic view of the connection between the second universal joint and the fixed guide rail according to the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
As shown in fig. 1, the utility model provides a self-interacting front deflector of truck mainly includes: the guide cover comprises a guide cover lining plate 110, a guide cover 120, a first telescopic rod 130, a fixed guide rail 140, a telescopic guide plate 150, a second telescopic rod 160, a driving device and a transition closed cover.
As shown in fig. 2, the pod liner 110 includes: a base plate 111 and two side liner plates 112. The bottom plate 111 is fixedly mounted on the top plate 101 of the cab; two side lining plates 112 are respectively vertically and upwards fixedly connected to the left side and the right side of the bottom plate 111. Wherein the side liner 112 is triangular.
As shown in fig. 3, the pod 120 is disposed semi-peripherally outside of the pod liner 110; the air guide sleeve 120 comprises a main guide plate 121 and two side guide plates 122, wherein the two side guide plates 122 are respectively and fixedly connected to the left side and the right side of the main guide plate 121; the position of the main baffle 121 corresponds to the position of the bottom plate 111, and the two side baffles 122 are respectively arranged closely to the outer sides of the two side lining plates 112. An included angle is formed between the main flow guide plate 121 and the cab roof 101; the front ends (the ends close to the vehicle head) of the two side deflectors 122 are rotatably connected with the front ends of the two side lining plates 112 through rotating shafts 123. The ends (ends close to the compartment) of the two side baffles 122 are respectively provided with first sliding grooves 122a along a direction parallel to the main baffle 121, and the two first sliding grooves 122a are symmetrically provided.
The two first telescopic rods 130 are respectively and fixedly arranged at the left side and the right side of the back plate of the cab along the vertical direction. Wherein, the movable end (upper end) of the first telescopic rod 130 is disposed in the first sliding slot 122a in a matching manner, and can slide along the first sliding slot 122 a.
The two fixed rails 140 are respectively and symmetrically fixed at the left and right sides of the front of the car 102 along the vertical direction, and the positions of the two fixed rails 140 respectively correspond to the positions of the two first telescopic rods 130. Wherein the upper end of the fixed rail 140 is flush with the ceiling of the vehicle compartment.
The two telescopic guide plates 150 are respectively and symmetrically arranged between the rear part of the cab and the front part of the carriage in the vertical direction; wherein, one side of the telescopic guide plate 150 is connected to the first telescopic rod 130, and the other side is connected to the fixed guide rail 140 in a matching manner. The telescopic baffles 150 can be extended or shortened in the vertical direction or in the horizontal direction, respectively; so as to adapt to the distance change between the cab and the carriage when the vehicle turns.
As shown in fig. 4 to 5, one end of each of the two second telescopic bars 160 is connected to the top end (upper end) of the fixed rail 140 by a first universal joint, and the other end thereof is rotatably connected to the top (end) of the nacelle 150.
In this embodiment, the top of the two side deflectors 122 of the air guide sleeve 120 is provided with a rotating shaft 124, and one end of the second telescopic rod 160 is connected with a first universal joint and is connected with the rotating shaft 124 through the first universal joint.
A transition closed cover (not shown in the figure) covers and supports the two second telescopic rods 120 and is connected among the air guide cover 120, the two telescopic air guide plates 120 and the two fixed guide rails; the whole front flow guiding device of the truck is connected into an integrated closed structure. The transition sealing cover is made of elastic material, and when the air guide cover 120 rotates, the transition sealing cover is elastically deformed to adapt to the position change of the air guide cover.
The driving device is connected to the first telescopic rod 130, and is configured to drive the movable end of the first telescopic rod 130 to extend or retract, so as to push the air guide sleeve 120 to rotate around the rotating shaft 123, so that an included angle (i.e., an opening degree of the air guide sleeve) between the main air guide plate 121 and the cab roof 101 is increased or decreased.
As shown in fig. 6 to 8, in the present embodiment, the first telescopic rod 130 includes: the guide rod 131 is fixedly connected with the cab back plate; and a rod sleeve 132 which is fitted over the guide rod 131 and is capable of moving axially along the guide rod 131. A support link 132a is installed on the inner side of the air guide sleeve 120 (the lower side of the main guide plate 121) along the horizontal direction, and two ends of the support link 132a are movably arranged in the first sliding grooves 122a respectively; and both ends of the support link 132a are fixedly connected with the top ends of the two lever sleeves 132, respectively. The driving device includes: a motor fixedly mounted on the bottom plate 112 of the pod liner plate 110; a gear 171 coaxially and fixedly connected to an output shaft of the motor; and a rack 172 fixedly installed at one side of the rod cover 132 in a vertical direction and in mesh transmission with the gear 171. The motor is started, and the driving gear 171 rotates, so as to drive the rack 172 and the rod sleeve 132 fixedly connected with the rack 172 to move up and down, so as to push the air guide sleeve 120 to rotate around the rotating shaft 123, and change the opening degree of the air guide sleeve 120.
In addition, during the rotation of the air guide sleeve 120, the two side guide plates 122 and the side lining plate 112 are always partially overlapped to prevent a gap from occurring between the side guide plates 122 and the side lining plate 112 in the vertical direction, which causes the air flow to enter the inside of the air guide device.
Preferably, arc-shaped guide grooves 122b are respectively formed in two sides of the middle position of the two side guide plates 122, and guide posts 112a are respectively fixedly mounted on the outer sides of the two side lining plates 112; the guide post 112a is disposed in the guide slot 122b to guide the rotation of the pod 120 to the left and right, so as to ensure the stable movement of the pod 120.
As shown in fig. 9 to 11, in the present embodiment, the telescopic guide plate 150 includes, from top to bottom, a first telescopic guide rail, a second telescopic guide rail, and a third telescopic guide rail that are horizontally arranged; and a first inner plate 154a, a first outer plate 154b, a second inner plate 155a, and a second outer plate 155 b.
The first telescopic rail comprises: the left end of the first sliding groove 151a is connected with the top of the rod sleeve 132 through a non-standard first universal joint; and a first rail 151b which is fittingly disposed in the first sliding groove 151a, and a right end of the first rail 151b is coupled in the fixed rail 140 by a second universal joint. The concrete connection mode is as follows: two ends of the first universal joint are respectively connected with the left end of the first sliding groove 151a and the right side of the top end of the loop bar 132 through threads, one end of the second universal joint is connected with the right end of the first track 151b through threads, the other end of the second universal joint is connected with the sliding block 201 through threads, and the sliding block 201 is arranged in the fixed guide rail 140 in a matched mode and can slide up and down along the fixed guide rail 140; so that the first rail 151b can rotate with respect to the fixed rail 140 while moving up and down in the fixed rail 140.
The top of the first inner plate 154a is fixedly connected with the first rail 151b by a plurality of screws; the first outer plate 154b is closely attached to the outer side of the first inner plate 154a, and the top of the first outer plate 154b is fixedly connected with the first chute 151 a; the first outer plate 154b and the first inner plate 154a are allowed to move up and down with the rod cover 132 in synchronization with the first telescopic rail.
The second telescopic rail comprises: a second sliding groove 152a, the left end of which is connected with the right side of the guide rod 131 through a non-standard first universal joint; and a second rail 152b which is fittingly disposed in the second sliding groove 152a, and a right end of the second rail 152b is coupled in the fixed rail 140 by a first universal joint. The concrete connection mode is as follows: both ends of one (left) first gimbal are respectively connected with the left end of the second sliding groove 152a and the right side of the guide bar 131 through threads, and both ends of the other (right) first gimbal are respectively connected with the right end of the second rail 152b and the left side of the fixed rail 140 through threads.
The third telescopic rail comprises: a third sliding groove 153a, the left end of which is connected to the right side of the bottom of the guide rod 131 through a non-standard first universal joint; and a third rail 153b which is fittingly disposed in the third sliding groove 153a, and a right end of the third rail 153b is coupled in the fixed rail 140 by a first universal joint. The concrete connection mode is as follows: both ends of one (left) first gimbal are respectively connected with the left end of the third sliding groove 153a and the right side of the bottom of the guide rod 131 through threads, and both ends of the other (right) first gimbal are respectively connected with the right end of the third rail 153b and the left side of the fixed rail 140 through threads. Wherein the lower side of the third telescopic guide rail abuts against a connecting truss between the truck cab and the carriage.
The top of the second inner plate 155a is fixedly connected with the second rail 152b, and the bottom of the second inner plate 155a is fixedly connected with the third rail 153 b; a second outer plate 155b is disposed in close contact with an outer side 155a of the second inner plate; the top of the second outer plate 155a is fixedly connected to the second sliding groove 152a, and the bottom of the second outer plate 155a is fixedly connected to the third sliding groove 153 a.
The first inner plate 154a and the first outer plate 154b are partially overlapped in the horizontal direction, and the second inner plate 155a and the second outer plate 155b are partially overlapped in the horizontal direction, so that a gap is prevented from being generated between the inner plate and the outer plate to allow air flow to enter when the telescopic deflector 150 is transversely stretched. Meanwhile, the first inner plate 154a and the second inner plate 155a are partially overlapped in the vertical direction, and the first outer plate 154b and the second outer plate 155b are partially overlapped in the vertical direction, so that a gap is prevented from being generated in the vertical direction to enter the air flow when the telescopic deflector 150 is vertically stretched.
Further preferably, a fourth telescopic guide rail 156 is provided at a position corresponding to the second telescopic guide rail inside the telescopic guide plate 150, and both ends of the fourth telescopic guide rail 156 are fixedly connected to the guide rod 131 and the fixed guide rail 140, respectively, so that the first inner plate 154a and the second inner plate 155a are positioned between the second telescopic guide rail and the fourth telescopic guide rail 156, thereby preventing the first inner plate 154a and the second inner plate 155a from being displaced inward to generate a gap and thus prevent an air flow from entering.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (8)
1. A self-adjusting truck front deflector, comprising:
the air guide sleeve lining plate is fixedly arranged on the top plate of the cab;
the air guide sleeve is arranged on the outer side of the air guide sleeve lining plate in a surrounding manner;
the air guide sleeve comprises a main guide plate and two side guide plates, wherein the two side guide plates are respectively and fixedly connected to the left side and the right side of the main guide plate; an included angle is formed between the main flow guide plate and the top plate of the cab; one end of each of the two side guide plates is rotatably connected with one end of each of the air guide sleeve lining plates;
the two first sliding chutes are symmetrically arranged at the other ends of the two side guide plates respectively;
the two first telescopic rods are respectively and fixedly arranged on the left side and the right side of a back plate of the cab along the vertical direction;
the movable end of the first telescopic rod is arranged in the first sliding groove in a matching mode and can move along the first sliding groove;
the two fixed guide rails are respectively and symmetrically fixedly arranged on the left side and the right side of the front part of the carriage along the vertical direction, and the two fixed guide rails respectively correspond to the two first telescopic rods in position;
the two telescopic guide plates are respectively and symmetrically arranged between the cab and the carriage;
one side of the telescopic guide plate is connected to the first telescopic rod, and the other side of the telescopic guide plate is connected to the fixed guide rail in a matching manner; the telescopic guide plate can be extended or shortened along the vertical direction or the horizontal direction respectively;
one end of each of the two second telescopic rods is rotatably connected with the top end of the fixed guide rail, and the other end of each of the two second telescopic rods is rotatably connected with the top of the air guide sleeve;
the transition closed hood is supported on the two second telescopic rods in a covering mode and connected among the air guide hood, the two telescopic guide plates and the fixed guide rail;
and the driving device is connected with the first telescopic rod and used for driving the movable end of the first telescopic rod to extend or retract, so that the included angle between the main flow guide plate of the air guide sleeve and the top plate of the cab is increased or reduced.
2. The self-adjusting truck front deflector of claim 1, wherein the cowl liner comprises:
a bottom plate fixedly mounted on a roof of the cab;
two side lining plates which are respectively and fixedly connected with the left side and the right side of the top plate;
one end of each side lining plate is connected with one end of each side guide plate through a rotating shaft.
3. The self-adjusting front deflector for a truck according to claim 2, wherein guide grooves are formed on both sides of the two side deflectors, and guide posts are fixedly mounted on the two side lining plates;
wherein, the guide post is arranged in the guide groove in a matching way.
4. The self-adjusting truck front deflector of claim 3, wherein the first telescoping pole comprises:
the guide rod is fixedly connected with the cab back plate;
the rod sleeve is sleeved on the guide rod in a matching manner and can move along the axial direction of the guide rod;
wherein, the top end of the rod sleeve is arranged in the first sliding groove in a matching manner.
5. The self-adjusting truck front deflector of claim 4, further comprising:
the two ends of the supporting connecting rod are respectively movably arranged in the first sliding groove;
and the two ends of the support connecting rod are respectively fixedly connected with the top ends of the two rod sleeves.
6. The self-adjusting truck front deflector according to claim 4 or 5, characterized in that the drive arrangement comprises:
the motor is fixedly arranged on the bottom plate of the air guide sleeve lining plate;
the gear is coaxially and fixedly connected with an output shaft of the motor; and
the rack is fixedly arranged on the rod sleeve along the vertical direction;
wherein, the gear and the rack are in meshed transmission.
7. The self-adjusting truck front deflector of claim 6, wherein a universal joint is connected to one end of the second telescoping bar; the top of the air guide sleeve is connected with the universal joint through a rotating shaft.
8. The self-adjusting truck front deflector of claim 7, wherein the telescoping deflector comprises:
one end of the first sliding chute is connected with the top of the rod sleeve through a universal joint;
the first rail is arranged in the first sliding groove in a matching mode, and one end of the first rail is connected into the fixed guide rail through a universal joint;
the top of the first inner plate is fixedly connected with the first rail;
the first outer plate is arranged close to the outer side of the first inner plate, and the top of the first outer plate is fixedly connected with the first sliding groove;
one end of the second sliding chute is connected with the guide rod through a universal joint;
the second track is arranged in the second sliding groove in a matching mode, and one end of the second track is connected into the fixed guide rail through a universal joint;
one end of the third sliding chute is connected with the bottom end of the guide rod through a universal joint;
the third rail is arranged in the third sliding groove in a matching mode, and one end of the third rail is connected to the bottom end of the fixed guide rail through a universal joint;
the top of the second inner plate is fixedly connected with the second rail, and the bottom of the second inner plate is fixedly connected with the third rail; and
a second outer plate disposed in close contact with an outer side of the second inner plate; the top of the second outer plate is fixedly connected with the second sliding groove, and the bottom of the second outer plate is fixedly connected with the third sliding groove.
Priority Applications (1)
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CN201921199638.7U CN210526685U (en) | 2019-07-29 | 2019-07-29 | Self-adjusting front flow guiding device for truck |
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Application Number | Priority Date | Filing Date | Title |
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CN201921199638.7U CN210526685U (en) | 2019-07-29 | 2019-07-29 | Self-adjusting front flow guiding device for truck |
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CN210526685U true CN210526685U (en) | 2020-05-15 |
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CN201921199638.7U Withdrawn - After Issue CN210526685U (en) | 2019-07-29 | 2019-07-29 | Self-adjusting front flow guiding device for truck |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110329364A (en) * | 2019-07-29 | 2019-10-15 | 吉林大学 | Guiding device and its control method before a kind of truck of self-regulation |
-
2019
- 2019-07-29 CN CN201921199638.7U patent/CN210526685U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110329364A (en) * | 2019-07-29 | 2019-10-15 | 吉林大学 | Guiding device and its control method before a kind of truck of self-regulation |
CN110329364B (en) * | 2019-07-29 | 2023-11-03 | 吉林大学 | Self-adjusting front guide device of truck and control method thereof |
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