CN210882303U - Four-wheel steering logistics vehicle - Google Patents
Four-wheel steering logistics vehicle Download PDFInfo
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- CN210882303U CN210882303U CN201921788607.5U CN201921788607U CN210882303U CN 210882303 U CN210882303 U CN 210882303U CN 201921788607 U CN201921788607 U CN 201921788607U CN 210882303 U CN210882303 U CN 210882303U
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Abstract
The utility model provides a commodity circulation car that four-wheel turned to relates to transportation equipment technical field, include: the bottom of the frame is fixedly provided with four steering wheels; the front steering plate is arranged between the two front steering wheels at the bottom of the frame; the rear steering plate is arranged between the two rear steering wheels at the bottom of the frame; one end of the first transverse front transmission rod is connected with a front steering wheel on the left side, and the other end of the first transverse front transmission rod is connected with a front steering plate; one end of the second transverse front transmission rod is connected with the front steering wheel on the right side, and the other end of the second transverse front transmission rod is connected with the front steering plate; one end of the first transverse rear transmission rod is connected with the rear steering wheel positioned on the left side, and the other end of the first transverse rear transmission rod is connected with the rear steering plate; one end of the second transverse rear transmission rod is connected with the rear steering wheel on the right side, and the other end of the second transverse rear transmission rod is connected with the rear steering plate; and one end of the longitudinal transmission rod is connected with the front steering plate, and the other end of the longitudinal transmission rod is connected with the rear steering plate. The front steering wheel and the rear steering wheel are synchronously steered, so that the turning radius is greatly reduced, and the occupied space of a logistics channel is effectively saved.
Description
Technical Field
The utility model relates to a transportation equipment technical field especially relates to a small logistics train with four-wheel steering.
Background
Along with economy rapid development, the productivity level constantly improves, and enterprise manufacturing technology is also mature day by day, and in the manufacturing workshop, more and more the application of commodity circulation car is in each field workshop to realize short distance transportation, this has reduced enterprise employee's working strength to a certain extent, has effectively promoted conveying efficiency.
In the logistics vehicle in the prior art, the front wheels are steering wheels, the rear wheels are directional driven wheels, and the logistics vehicle is large in turning radius and poor in trafficability. If a plurality of logistics vehicles are hung together, the logistics vehicles at the tail part can not control turning, so that the tail-flicking amplitude is large when turning is caused, and the production line is easy to collide. Because the space distance of the production line is narrow, the excessive tail-flick amplitude during turning causes collision, which easily causes unnecessary loss to the product and the production line.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides a commodity circulation car that four-wheel turned to specifically includes:
the four-wheel steering frame comprises a frame, wherein four steering wheels are fixedly mounted at the bottom of the frame, and each steering wheel comprises two front steering wheels and two rear steering wheels;
a diverter plate, the diverter plate comprising:
the front steering plate is arranged at the bottom of the frame and is positioned between the two front steering wheels;
the rear steering plate is arranged at the bottom of the frame and is positioned between the two rear steering wheels;
a transverse drive link, the transverse drive link comprising:
one end of the first transverse front transmission rod is rotatably connected with the mounting seat of the front steering wheel on the left side, and the other end of the first transverse front transmission rod is rotatably connected with the front steering plate;
one end of the second transverse front transmission rod is rotatably connected with the mounting seat of the front steering wheel on the right side, and the other end of the second transverse front transmission rod is rotatably connected with the front steering plate;
one end of the first transverse rear transmission rod is rotatably connected with the mounting seat of the rear steering wheel on the left side, and the other end of the first transverse rear transmission rod is rotatably connected with the rear steering plate;
one end of the second transverse rear transmission rod is rotatably connected with the mounting seat of the rear steering wheel on the right side, and the other end of the second transverse rear transmission rod is rotatably connected with the rear steering plate;
and one end of the longitudinal transmission rod is rotatably connected with the front steering plate, and the other end of the longitudinal transmission rod is rotatably connected with the rear steering plate.
Preferably, the steering plate is mounted to the bottom of the frame through a first rotating structure, and the first rotating structure includes:
the first fixing block is arranged on the side surface of the frame and is positioned above the steering plate;
the first bearing is arranged on the first fixing block, and the cross section of the first bearing is parallel to that of the frame;
and the first rotating shaft is fixed on the upper end surface of the steering plate and is close to one side of the first fixed block, and the first rotating shaft is matched with the first bearing.
Preferably, the transverse transmission rod comprises:
the two ends of the first rod body are provided with first internal threads;
the two first connecting rods are respectively arranged at two ends of the first rod body and are in threaded connection with the first rod body, and first external threads corresponding to the first internal threads are arranged on the two first connecting rods;
the two first connecting joints are respectively in threaded connection with the two first connecting rods, one end of each first connecting joint is provided with a second internal thread corresponding to the first external thread, and the other end of each first connecting joint is provided with a second bearing;
and the two locking nuts are sleeved outside the first connecting rods and are tightly attached to the two first connecting joints respectively.
Preferably, the transverse transmission rod is connected with the steering wheel through a second rotating structure, and the second rotating structure specifically includes:
the second fixed block is fixed on the mounting seat of the steering wheel, and the top end of the second fixed block is provided with a fixed plate extending along the direction departing from the mounting seat;
and the second rotating shaft is arranged on the upper end surface of the fixing plate and matched with the second bearing of the first connecting head.
Preferably, a third rotating shaft matched with the second bearing of the first transverse front driving rod and a fourth rotating shaft matched with the second bearing of the second transverse front driving rod are transversely arranged on one side, deviating from the frame mounting position, of the front steering plate.
Preferably, a fifth rotating shaft rotatably connected with the second bearing of the first transverse rear transmission rod and a sixth rotating shaft rotatably connected with the second bearing of the second transverse rear transmission rod are transversely arranged on one side of the rear steering plate, which is far away from the frame mounting position.
Preferably, the longitudinal transmission rod specifically includes:
the two ends of the second rod body are provided with third internal threads;
the two second connecting rods are respectively arranged at two ends of the second rod body and are in threaded connection with the second rod body, and second external threads corresponding to the third internal threads are arranged on the two second connecting rods;
the two second connectors are respectively in threaded connection with the two second connecting rods, one end of each second connector is provided with a fourth internal thread corresponding to the second external thread, and the other end of each second connector is provided with a third bearing;
and the two locking nuts are sleeved outside the second connecting rod and are respectively tightly attached to the two second connectors.
Preferably, the front steering plate is provided with a front fixing rod along two directions of the front steering wheel, the rear steering plate is provided with a rear fixing rod along two directions of the rear steering wheel, the front fixing rod and the rear fixing rod extend along opposite directions, and the front fixing rod and the lower end face of the rear fixing rod are provided with a seventh rotating shaft matched with the third bearing.
Preferably, the apparatus further includes a third rotating structure disposed above the first rotating structure, and the third rotating structure specifically includes:
the third fixed block is arranged on the side surface of the frame and is positioned above the first fixed block;
the fourth bearing is arranged on the third fixed block, and the cross section of the fourth bearing is parallel to that of the first bearing;
the top end of the connecting shaft penetrates through the fourth bearing and is matched with the fourth bearing, and the bottom end of the connecting shaft is connected with the first rotating shaft.
Preferably, the device further comprises a traction structure, and the traction structure specifically comprises:
the fixing seat is arranged at the top end of the connecting shaft, two lug seats are arranged on one side of the fixing seat, which is far away from the frame, and a supporting rod is arranged between the two lug seats;
the supporting seat is sleeved outside the supporting rod and can rotate around the supporting rod;
the traction rod is fixed on the supporting seat;
and the pull rod is arranged in the middle of the pull rod.
The technical scheme has the following advantages or beneficial effects: the directive wheel turns to in step with two backs before two, has reduced greatly the utility model discloses a turning radius of commodity circulation car effectively practices thrift the occupation space of commodity circulation passageway.
Drawings
Fig. 1 is a schematic structural view of a four-wheel steering logistics vehicle according to a preferred embodiment of the present invention;
fig. 2 is a front view of a four-wheel steering logistics vehicle according to a preferred embodiment of the present invention;
fig. 3 is a schematic structural view of the transverse transmission rod according to the preferred embodiment of the present invention;
fig. 4 is a schematic structural view of the longitudinal transmission rod according to the preferred embodiment of the present invention;
fig. 5 is a schematic structural diagram of a traction structure according to a preferred embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The present invention is not limited to this embodiment, and other embodiments may also belong to the scope of the present invention as long as the gist of the present invention is satisfied.
The present invention provides, in a preferred embodiment, a four-wheel steering logistics vehicle based on the above problems in the prior art, as shown in fig. 1, specifically including:
the four-wheel steering frame comprises a frame 1, wherein four steering wheels are fixedly arranged at the bottom of the frame 1, and each steering wheel comprises two front steering wheels 21 and two rear steering wheels 22;
a deflector 3, the deflector 3 comprising:
a front steering plate 31 mounted at the bottom of the frame 1 and located between the two front steering wheels 21;
a rear steering plate 32 mounted at the bottom of the frame 1 and located between the two rear steering wheels 22;
a transverse drive link, the transverse drive link comprising:
a first front transverse transmission rod 41, one end of the first front transverse transmission rod 41 is rotatably connected with the mounting seat 211 of the front steering wheel 21 positioned at the left side, and the other end is rotatably connected with the front steering plate 31;
one end of the second transverse front transmission rod 42 is rotatably connected with the mounting seat 211 of the front steering wheel 21 on the right side, and the other end is rotatably connected with the front steering plate 31;
a first transverse rear driving rod 43, one end of the first transverse rear driving rod 43 is rotatably connected with the mounting seat 211 of the rear steering wheel 22 positioned at the left side, and the other end is rotatably connected with the rear steering plate 32;
a second transverse rear transmission rod 44, one end of the second transverse rear transmission rod 44 is rotatably connected with the mounting seat 211 of the rear steering wheel 22 on the right side, and the other end is rotatably connected with the rear steering plate 32;
and one end of the longitudinal transmission rod 5 is rotatably connected with the front steering plate 31, and the other end of the longitudinal transmission rod 5 is rotatably connected with the rear steering plate 32.
Specifically, in this embodiment, all set up to the directive wheel through four wheels with the commodity circulation car, and through first horizontal preceding drive rod 41 transmission respectively connect left preceding directive wheel 21 and preceding steering panel 31, connect preceding steering panel 31 and the preceding steering wheel 21 on right side respectively through the horizontal preceding drive rod 42 of second, through first horizontal back drive rod 43 transmission respectively connect left back directive wheel 22 and back steering panel 32, connect back steering panel 32 and the back directive wheel 22 on right side respectively through the horizontal back drive rod 44 of second, and rotate respectively through vertical drive rod 5 and connect preceding steering panel 31 and back steering panel 32, make two preceding directive wheels 21 and two back directive wheels 22 turn to the synchronism, reduced greatly the utility model discloses a turning radius of commodity circulation car, effectively practice thrift the occupation space of commodity circulation passageway.
Further specifically, the utility model discloses a commodity circulation car is when turning to the right, through the rotation each other between preceding steering panel 31 and the frame 1 for have a preceding steering angle between the longitudinal axis of preceding steering panel 31 and frame 1, the rotation of preceding steering panel 31 drives the first horizontal preceding drive rod 41 of being connected with preceding steering panel 31 and moves left, and the horizontal preceding drive rod 42 of second moves left simultaneously, thereby drives preceding directive wheel 21 and turns to the right. At the same time, the movement of the front steering plate 31 drives the longitudinal transmission rod 15 to perform corresponding action, so that a rear steering angle is formed between the rear steering plate 32 and the longitudinal axis of the frame 1, the rear steering angle is equal to the front steering angle, the front steering plate 31 rotates the front steering angle in the clockwise direction, and the rear steering plate 32 rotates the rear steering angle in the counterclockwise direction. Rotation of the rear steer plate 32 causes the first transverse rear drive link 43 to move to the left while the second transverse rear drive link 44 moves to the left, thereby causing the rear steer wheel 22 to steer to the right. When the logistics vehicle turns to the left, the action process is the same, and the description is omitted here.
In the preferred embodiment of the present invention, as shown in fig. 2, the steering plate 3 is mounted at the bottom of the frame 1 through a first rotating structure, and the first rotating structure includes:
the first fixing block 61 is arranged on the side surface of the frame 1 and is positioned above the steering plate 3;
the first bearing 62 is arranged on the first fixing block 61, and the cross section of the first bearing 62 is parallel to that of the frame 1;
and a first rotating shaft 63 fixed to an upper end surface of the steering plate 3 and adjacent to one side of the first fixing block 61, the first rotating shaft 63 being engaged with the first bearing 62.
In a preferred embodiment of the present invention, as shown in fig. 3, the transverse transmission rod includes:
a first rod 300, wherein both ends of the first rod 300 are provided with first internal threads;
two first connecting rods 301 respectively disposed at two ends of the first rod 300 and threadedly connected to the first rod 300, and first external threads corresponding to the first internal threads are disposed on the two first connecting rods 301;
two first connectors 302 respectively connected with the two first connecting rods 301 by screw threads, wherein one end of each first connector 302 is provided with a second internal thread corresponding to the first external thread, and the other end is provided with a second bearing 303;
two locking nuts 304 are sleeved outside the first connecting rod 301 and tightly attached to the two first connecting joints 302, respectively.
In a preferred embodiment of the present invention, as shown in fig. 1, the transverse transmission rod is connected to the steering wheel 3 through a second rotation structure, and the second rotation structure specifically includes:
the second fixed block 71 is fixed on the mounting seat 211 of the steering wheel, and the top end of the second fixed block 71 is provided with a fixed plate 72 extending along the direction departing from the mounting seat 211;
and a second rotating shaft 73 disposed on the upper end surface of the fixing plate 72, wherein the second rotating shaft 73 is engaged with the second bearing 303 of the first connector 302.
In the preferred embodiment of the present invention, as shown in fig. 1, a third rotation axis 81 matched with the second bearing 303 of the first transverse front transmission rod 41 and a fourth rotation axis 82 matched with the second bearing 303 of the second transverse front transmission rod 42 are transversely disposed on one side of the front steering plate 31 departing from the mounting position of the frame 1.
In the preferred embodiment of the present invention, as shown in fig. 1, one side of the rear steering plate 32 away from the mounting position of the frame 1 is transversely provided with a fifth rotating shaft 83 rotatably connected to the second bearing 303 of the first transverse rear driving rod 43, and a sixth rotating shaft 84 rotatably connected to the second bearing 303 of the second transverse rear driving rod 44.
In the preferred embodiment of the present invention, as shown in fig. 4, the longitudinal transmission rod 5 specifically includes:
a second rod body 51, wherein third internal threads are arranged at two ends of the second rod body 51;
two second connecting rods 52 respectively arranged at two ends of the second rod body 51 and in threaded connection with the second rod body 51, and the two second connecting rods 52 are provided with second external threads corresponding to the third internal threads;
two second connectors 53 respectively in threaded connection with the two second connecting rods 52, wherein one end of each second connector 53 is provided with a fourth internal thread corresponding to the second external thread, and the other end is provided with a third bearing 54;
two locking nuts 55 are sleeved outside the second connecting rod 52 and tightly attached to the two second connectors 53, respectively.
Specifically, in this embodiment, the second rod 51 may be an integrally formed structure, or may be formed by splicing a plurality of sub-rods as shown in fig. 4, and the sub-rods are preferably connected by threads.
In the preferred embodiment of the present invention, as shown in fig. 1, a front fixing rod 311 is disposed on one side of the front steering plate 31 along the direction of the two front steering wheels 21, a rear fixing rod 321 is disposed on one side of the rear steering plate 32 along the direction of the two rear steering wheels 22, the lengths of the front fixing rod 311 and the rear fixing rod 321 extend along opposite directions, and the lower end surfaces of the front fixing rod 311 and the rear fixing rod 321 are both provided with a seventh rotation axis 312 matched with the third bearing 54.
In a preferred embodiment of the present invention, the first rotating structure further comprises a third rotating structure disposed above the first rotating structure, as shown in fig. 2, the third rotating structure specifically comprises:
the third fixing block 91 is arranged on the side surface of the frame 1 and is positioned above the first fixing block 61;
a fourth bearing 92 disposed on the third fixing block 91, wherein a cross section of the fourth bearing 92 is parallel to a cross section of the first bearing 62;
and the top end of the connecting shaft 93 penetrates through the fourth bearing 92 and is matched with the fourth bearing 92, and the bottom end of the connecting shaft 93 is connected with the first rotating shaft 63.
The preferred embodiment of the present invention further comprises a traction structure, as shown in fig. 5, the traction structure specifically comprises:
the fixed seat 100 is arranged at the top end of the connecting shaft 93, two lug seats 101 are arranged on one side of the fixed seat 100, which is far away from the frame 1, and a supporting rod 102 is arranged between the two lug seats 101;
the supporting seat 103 is sleeved outside the supporting rod 102 and can rotate around the supporting rod 102;
at least one draw bar 104 fixed on the support base 103;
and a pull rod 105 arranged in the middle of the pull rod 104.
Specifically, in this embodiment, the utility model discloses a commodity circulation car can the exclusive use, drives turning to of steering panel through what pull the structure this moment to realize turning to of commodity circulation car. The utility model discloses a commodity circulation car can a plurality of string lean on together, draws the structure through the aforesaid between a plurality of commodity circulation cars and hangs and lean on together, through the commodity circulation car that is located the place ahead turn to the rotation that drives the back steering panel, drives and draws the structure action to the rotation of the preceding steering panel of the commodity circulation car at drive rear realizes turning to in step.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and it should be understood that all modifications and obvious variations of the present invention as described and illustrated herein are included within the scope of the present invention.
Claims (10)
1. The utility model provides a commodity circulation car that four-wheel turned to which characterized in that specifically includes:
the four-wheel steering frame comprises a frame, wherein four steering wheels are fixedly mounted at the bottom of the frame, and each steering wheel comprises two front steering wheels and two rear steering wheels;
a diverter plate, the diverter plate comprising:
the front steering plate is arranged at the bottom of the frame and is positioned between the two front steering wheels;
the rear steering plate is arranged at the bottom of the frame and is positioned between the two rear steering wheels;
a transverse drive link, the transverse drive link comprising:
one end of the first transverse front transmission rod is rotatably connected with the mounting seat of the front steering wheel on the left side, and the other end of the first transverse front transmission rod is rotatably connected with the front steering plate;
one end of the second transverse front transmission rod is rotatably connected with the mounting seat of the front steering wheel on the right side, and the other end of the second transverse front transmission rod is rotatably connected with the front steering plate;
one end of the first transverse rear transmission rod is rotatably connected with the mounting seat of the rear steering wheel on the left side, and the other end of the first transverse rear transmission rod is rotatably connected with the rear steering plate;
one end of the second transverse rear transmission rod is rotatably connected with the mounting seat of the rear steering wheel on the right side, and the other end of the second transverse rear transmission rod is rotatably connected with the rear steering plate;
and one end of the longitudinal transmission rod is rotatably connected with the front steering plate, and the other end of the longitudinal transmission rod is rotatably connected with the rear steering plate.
2. A four-wheel-steering logistics vehicle as defined in claim 1, wherein said steering plate is mounted to the bottom of said frame by a first swivel structure, said first swivel structure comprising:
the first fixing block is arranged on the side surface of the frame and is positioned above the steering plate;
the first bearing is arranged on the first fixing block, and the cross section of the first bearing is parallel to that of the frame;
and the first rotating shaft is fixed on the upper end surface of the steering plate and is close to one side of the first fixed block, and the first rotating shaft is rotatably matched with the first bearing.
3. The four-wheel-steering logistics vehicle of claim 1, wherein the transverse drive rod comprises:
the two ends of the first rod body are provided with first internal threads;
the two first connecting rods are respectively arranged at two ends of the first rod body and are in threaded connection with the first rod body, and first external threads corresponding to the first internal threads are arranged on the two first connecting rods;
the two first connecting joints are respectively in threaded connection with the two first connecting rods, one end of each first connecting joint is provided with a second internal thread corresponding to the first external thread, and the other end of each first connecting joint is provided with a second bearing;
and the two locking nuts are sleeved outside the first connecting rods and are tightly attached to the two first connecting joints respectively.
4. A four-wheel steering logistics vehicle as defined in claim 3, wherein the transverse transmission rod is connected with the steering wheel through a second rotating structure, and the second rotating structure comprises:
the second fixed block is fixed on the mounting seat of the steering wheel, and the top end of the second fixed block is provided with a fixed plate extending along the direction departing from the mounting seat;
and the second rotating shaft is arranged on the upper end surface of the fixing plate and matched with the second bearing of the first connecting head.
5. A four-wheel-steering logistics vehicle as defined in claim 3, wherein a third rotation shaft matched with the second bearing of the first transverse front transmission rod and a fourth rotation shaft matched with the second bearing of the second transverse front transmission rod are transversely arranged on one side of the front steering plate, which is far away from the mounting position of the vehicle frame.
6. The four-wheel-steering logistics vehicle as defined in claim 3, wherein a fifth rotation shaft rotatably connected with the second bearing of the first transverse rear transmission rod and a sixth rotation shaft rotatably connected with the second bearing of the second transverse rear transmission rod are transversely arranged on one side of the rear steering plate away from the vehicle frame mounting position.
7. The four-wheel-steering logistics vehicle of claim 1, wherein the longitudinal driving rod comprises:
the two ends of the second rod body are provided with third internal threads;
the two second connecting rods are respectively arranged at two ends of the second rod body and are in threaded connection with the second rod body, and second external threads corresponding to the third internal threads are arranged on the two second connecting rods;
the two second connectors are respectively in threaded connection with the two second connecting rods, one end of each second connector is provided with a fourth internal thread corresponding to the second external thread, and the other end of each second connector is provided with a third bearing;
and the two locking nuts are sleeved outside the second connecting rod and are respectively tightly attached to the two second connectors.
8. The four-wheel-steering logistics vehicle as claimed in claim 7, wherein a front fixing rod is provided on one side of the front steering plate along the direction of the two front steering wheels, a rear fixing rod is provided on one side of the rear steering plate along the direction of the two rear steering wheels, the lengths of the front fixing rod and the rear fixing rod extend in opposite directions, and a seventh rotation shaft is provided on the lower end surfaces of the front fixing rod and the rear fixing rod for cooperating with the third bearing.
9. The four-wheel steering logistics vehicle of claim 2, further comprising a third rotating structure disposed above the first rotating structure, wherein the third rotating structure comprises:
the third fixed block is arranged on the side surface of the frame and is positioned above the first fixed block;
the fourth bearing is arranged on the third fixed block, and the cross section of the fourth bearing is parallel to that of the first bearing;
the top end of the connecting shaft penetrates through the fourth bearing and is matched with the fourth bearing, and the bottom end of the connecting shaft is connected with the first rotating shaft.
10. The four-wheel-steering logistics vehicle of claim 9, further comprising a traction structure, wherein the traction structure comprises:
the fixing seat is arranged at the top end of the connecting shaft, two lug seats are arranged on one side of the fixing seat, which is far away from the frame, and a supporting rod is arranged between the two lug seats;
the supporting seat is sleeved outside the supporting rod and can rotate around the supporting rod;
the traction rod is fixed on the supporting seat;
and the pull rod is arranged in the middle of the pull rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921788607.5U CN210882303U (en) | 2019-10-23 | 2019-10-23 | Four-wheel steering logistics vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921788607.5U CN210882303U (en) | 2019-10-23 | 2019-10-23 | Four-wheel steering logistics vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210882303U true CN210882303U (en) | 2020-06-30 |
Family
ID=71334737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921788607.5U Active CN210882303U (en) | 2019-10-23 | 2019-10-23 | Four-wheel steering logistics vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210882303U (en) |
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2019
- 2019-10-23 CN CN201921788607.5U patent/CN210882303U/en active Active
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