CN209852420U - Same-track steering system, traction device applying same and logistics turnover vehicle applying traction device - Google Patents
Same-track steering system, traction device applying same and logistics turnover vehicle applying traction device Download PDFInfo
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- CN209852420U CN209852420U CN201920329758.8U CN201920329758U CN209852420U CN 209852420 U CN209852420 U CN 209852420U CN 201920329758 U CN201920329758 U CN 201920329758U CN 209852420 U CN209852420 U CN 209852420U
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Abstract
The utility model discloses a co-track steering system, which comprises a front steering chassis, a rear steering chassis, a co-track link rod, a front traction mounting seat and a rear traction mounting seat; the front steering chassis comprises a front support, a front middle shaft, a front thrust bearing and a front caster plate, wherein the front middle shaft, the front thrust bearing and the front caster plate are embedded in the front support, the rear steering chassis comprises a rear support, a rear middle shaft, a rear thrust bearing and a rear caster plate, the rear middle shaft, the rear thrust bearing and the rear caster plate are embedded in the rear support, the front steering chassis is movably connected with the rear steering chassis through the same-track link rod, and the same-track link rod drives the front steering chassis and the rear steering chassis to rotate in opposite directions. The utility model discloses a set up axis and link rod for preceding rear frame is when turning to, and linkage motion has realized the same orbit motion of front and back wheel, the poor phenomenon of wheel when avoiding turning.
Description
Technical Field
The utility model relates to a transportation utensil that product in warehouse, workshop, the factory shifted especially relates to one kind with orbit a steering system and use draw gear and the application of system draw gear's commodity circulation turnover car.
Background
With the development of economy, the connection between large enterprises is increasingly deepened, and the goods are put in, delivered and sold, and the production process of the whole enterprise is surrounded.
In the present large-scale manufacturers, the logistics turnover vehicle is generally required to be used when goods are conveyed, the logistics turnover vehicle is used, the product conveying time can be greatly shortened, the logistics turnover vehicle is used for driving a plurality of logistics turnover vehicles to convey at one time, a front tractor and a rear tractor are respectively arranged at the bottom of the logistics turnover vehicle, and the logistics turnover vehicle drives a plurality of logistics turnover vehicles to realize the conveying function together through the front tractor.
However, the unreasonable design of the logistics turnover vehicle is found in the daily use process, so that the phenomena of poor wheels, collision or super-close are easy to occur when the loaded goods are turned, the safety of the product is seriously influenced, and even the personal safety is threatened.
Prior art patent CN201020575234.6 is right technical problem has provided specific technical scheme, discloses a traction platform car, including frame, front caster and back truckle, the frame has traction assembly, front caster board subassembly, back truckle board subassembly through the round pin hub connection, traction assembly has link mechanism through the round pin hub connection, link mechanism through the round pin axle with front caster board subassembly, back truckle board subassembly are connected, front caster, back truckle are installed respectively on front caster board subassembly, the back truckle board subassembly, traction assembly drives front caster, back truckle motion simultaneously through pulling link mechanism, just traction assembly, link mechanism, front caster and back truckle move in the same orbit.
However, the traction assembly of the traction platform vehicle has many movable joints and a complex mechanical linkage relationship, which easily causes the following two problems: 1) aiming at platform trucks with different specifications, the size of the traction assembly needs to be adjusted, the linkage position relation of the traction assembly needs to be adjusted, the application range is narrow, and the popularization and the application are difficult; 2) the number of joints is large, the damage coefficient is high, the maintenance cost is high, and the rejection rate is high.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a with orbit a steering system and use the draw gear and the application of system draw gear's commodity circulation turnover vehicle, with orbit a steering system simple structure, nimble convenient, design benefit effectively solves and carries on goods and turn to in-process collision and super near problem.
The utility model provides a technical scheme that this technical problem adopted is: a co-track steering system comprises a front steering chassis, a rear steering chassis, a co-track link rod, a front traction mounting seat and a rear traction mounting seat;
the front steering chassis comprises a front support, a front middle shaft, a front thrust bearing and a front caster plate, wherein the front middle shaft is embedded in the front support, the front thrust bearing is sleeved on the front middle shaft, and the front end of the front support is fixedly connected with the front traction mounting seat;
the rear steering chassis comprises a rear support, a rear middle shaft, a rear thrust bearing and a rear caster plate, wherein the rear middle shaft is embedded in the rear support, the rear thrust bearing is sleeved on the rear middle shaft, and the rear end of the rear support is fixedly connected with the rear traction mounting seat;
the front steering chassis is movably connected with the rear steering chassis through the same-track link rod, and the same-track link rod drives the front steering chassis and the rear steering chassis to rotate in opposite directions.
Compared with the prior art, the method has the following positive effects:
1. the utility model discloses a same-track steering system, through setting up axis and link rod, make preceding rear frame when turning to, linkage motion has realized the same-track motion of front and back wheel, the poor phenomenon of wheel when avoiding turning, and the line of preceding axis and back axis is the axis, drives preceding steering chassis and the mutual reverse rotation of rear steering chassis with the same-track link rod to obtain smooth and easy steering track, effectively solves and carries on collision and super near problem in the goods steering process;
2. the front steering chassis, the rear steering chassis and the same-track link rod are mutually independent, the respective size specifications are simply adjusted, the logistics turnover vehicle can adapt to logistics turnover vehicles of different models, the popularization and the application are facilitated, and the market prospect is huge.
3. Foreseeable, the utility model discloses a with orbit a steering system's joint movable part is few, has greatly avoided the joint strain problem, cost of maintenance and disability rate also corresponding reduction.
Further, the front steering chassis further comprises a face support bearing, the face support bearing is embedded in the front support, and/or the rear steering chassis further comprises a face support bearing, and the face support bearing is embedded in the rear support. Preceding fore-stock that turns to the chassis and the after-poppet that turns to the chassis are used for bearing the weight of commodity circulation, through setting up a supporting bearing, effectively reduce the top carry on the commodity circulation with the utility model discloses a with orbit a steering system's friction, the effect of reducing force when turning to ensures to turn to smoothly.
The steering device further comprises at least two limiting stop posts which are fixedly arranged at the bottom of an object carried by the same-track steering system, and the limiting stop posts are arranged in the movable range of the front steering chassis or the rear steering chassis. The limit stop post limits the steering amplitude of the front steering chassis or the rear steering chassis, so that the maximum deflection angle of the front steering chassis and the rear steering chassis is quantitatively controlled.
Specifically, the limiting blocking columns are arranged between the front support and the rear support and are respectively positioned on different sides of the front middle shaft and the rear middle shaft. When the spacing bumping post sets up respectively in the different one side of fore-stock and after-poppet, just can all turn to the restriction to controlling the deflection.
Specifically, the front support is a frame, a cross rod is arranged at the front end of the front support, the front traction mounting seat comprises two inclined rods, the two inclined rods are connected with the cross rod to form an isosceles triangle shape with the two inclined rods as waist, and when the front traction mounting seat swings left and right until the connecting line of the inclined rods and the rear middle shaft of the front middle shaft is perpendicular, the front steering chassis and/or the rear steering chassis is limited by the limiting stop posts. When the connecting line of the inclined rod and the rear middle axle of the front middle axle is limited to be vertical, the maximum deflection angle of the same-track steering system is achieved, namely the inner angle of the waist of an isosceles triangle of the inclined rod is equal to the maximum deflection angle, the installation is convenient, the operation is easy, the design is ingenious, and the method is suitable for industrialization.
Specifically, the same-track link rod is movably connected with the front bracket and the rear bracket through joint bearings respectively.
Specifically, the front bracket and the rear bracket are steel structures. The bearing effect of the steel structure is good.
The utility model also provides a draw gear, draw the same orbit a steering system that component, back traction member and the arbitrary technical scheme of the aforesaid provided including the front, preceding traction member sets up preceding traction mount pad, back traction member sets up back traction mount pad.
The utility model also provides a commodity circulation turnover vehicle, including frame and above-mentioned draw gear, preceding axis and back axis are respectively through connecting piece detachably fixed connection the bottom of frame, preceding thrust bearing and back thrust bearing face contact the bottom of frame.
Further, the connecting piece is a bolt. Is convenient to be disassembled and assembled.
Furthermore, when the front steering chassis and/or the rear steering chassis are provided with the face support bearing in the same-track steering system, the bottom surface of the frame is in face contact with the face support bearing.
The present invention will be further explained with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic configuration diagram of a co-track steering system according to embodiment 1.
Fig. 2 is a schematic view of the maximum deflection angle and the limit post setting of the co-track steering system according to embodiment 1.
Fig. 3 is a schematic diagram of the steering motion of the co-track steering system of embodiment 1.
The device comprises a front support 11, a cross rod 71, a front middle shaft 13, a front thrust bearing 15, a front support bearing 17, a front caster plate 19, a rear support 22, a rear middle shaft 24, a rear thrust bearing 26, a rear support bearing 28, a rear caster plate 29, a same-track link rod 30, a joint bearing 32, a front traction mounting seat 40, an inclined rod 43, a fixed rod 45, a rear traction mounting seat 50 and a limit stop column 60.
Detailed Description
Example 1
Referring to fig. 1, 2 and 3, the co-track steering system of embodiment 1 includes a front steering chassis, a rear steering chassis, a co-track link 30, a front traction mount 40, a rear traction mount 50 and two limit stop posts 60, wherein the front steering chassis and the rear steering chassis are movably connected through the co-track link 30, the front traction mount 40 is disposed on the front steering chassis, and the rear traction mount 50 is disposed on the rear steering chassis. The limit stop post 60 is disposed within the range of motion of the front or rear steering chassis.
Specifically, the front steering chassis includes a front bracket 11, a front center axle 13, a front thrust bearing 15, two front support bearings 17, and two front caster plates 19. The front support 11 is a horizontally placed steel structure frame and comprises two cross rods 71 and a plurality of connecting rods, the two cross rods 71 are parallel to each other, and the two cross rods 71 are connected through the connecting rods. One cross bar 71 is front, one cross bar 71 is rear, the radial direction of the cross bar 71 of the front support 11 is defined as the front-rear direction of the front steering chassis, and the axial direction of the cross bar 71 of the front support 11 is defined as the left-right direction of the front steering chassis. The front middle shaft 13 is embedded in the middle of the front support 11, the front thrust bearing 15 is sleeved on the front middle shaft 13, the front support bearing 17 and the front caster plate 19 are embedded in the front support 11, the two front support bearings 17 are respectively arranged on two sides of the front middle shaft 13, and the two front caster plates 19 are respectively arranged on two sides of the front middle shaft 13. The front caster plate 19 mounts a caster.
The rear steering chassis includes a rear bracket 22, a rear central axle 24, a rear thrust bearing 26, two rear support bearings 28 and two rear caster plates 29. The rear support 22 is a horizontally placed steel structure frame and comprises two cross rods and a plurality of connecting rods, the two cross rods are parallel to each other, and the two cross rods are connected through the connecting rods. One cross rod is front, the other cross rod is rear, the radial direction of the cross rod of the rear support 11 is defined as the front and rear direction of the rear steering chassis, the axial direction of the cross rod of the rear support 11 is defined as the left and right side directions of the rear steering chassis, and the direction setting of the rear steering chassis is the same as that of the front steering chassis. The rear middle shaft 24 is embedded in the middle of the rear support 22, the rear thrust bearing 26 is sleeved on the rear middle shaft 24, the rear support bearings 28 and the rear caster plates 29 are embedded in the rear support 22, the two rear support bearings 28 are respectively arranged on two sides of the rear middle shaft 24, and the two rear caster plates 29 are respectively arranged on two sides of the rear middle shaft 24. The rear caster plate 29 mounts casters.
The co-track links 30 are movably coupled to the front and rear steering chassis by knuckle bearings 32. Specifically, a connecting line of the front middle axle 13 and the rear middle axle 24 is a central axis, one end of the same-track link 30 is connected to the right side of the cross bar 71 at the rear of the front bracket 11 through the joint bearing 32, and the other end of the same-track link 30 is connected to the left side of the cross bar at the front of the rear bracket 22 through the joint bearing 32, so that two ends of the same-track link 30 are respectively located at different sides of the front middle axle 13 and the rear middle axle 24. The co-track links 30 are diagonal with respect to the central axis, with respect to the front and rear steering chassis, which is defined as a miter joint. The front steering chassis, the co-track link 30 and the rear steering chassis form a Z-shaped structure, so that the co-track link drives the front steering chassis and the rear steering chassis to rotate reversely.
The front traction mount 40 is fixedly attached to the front end of the front steering chassis. The front traction mounting base 40 comprises two inclined rods 43 and two fixing rods 45, the two inclined rods 43 and the two fixing rods 45 are horizontally arranged, one end of each inclined rod 43 is connected with a cross rod 71 in front of the front support 11, the other ends of the two inclined rods 43 are connected with each other to form an isosceles triangle shape with the two inclined rods 43 as waist, and the two fixing rods 45 are connected with the cross rod 71 and the inclined rods 43 to reinforce. A front traction member for traction is mounted to the front traction mount 40.
The rear traction mounts 50 are fixedly attached to the rear end of the rear steering chassis. Specifically, the rear traction mounts 50 are fixedly attached to the rear crossbar of the rear bracket 22. A rear traction member for traction is mounted to the rear traction mount 50.
The limiting stop pillar 60 is fixedly arranged at the bottom of an object carried by the same-track steering system, and the limiting stop pillar 60 is arranged in the movable range of the front steering chassis or the rear steering chassis. Specifically, the limiting blocking pillars 60 are disposed between the front support 11 and the rear support 22 and located on different sides of the front middle axle 13 and the rear middle axle 24, respectively. In embodiment 1, preferably, a connecting line between the front middle axle 13 and the rear middle axle 24 is a central axis, one of the limiting retaining pillars 60 is disposed behind the left side of the cross bar 71 behind the front bracket 11, and the other limiting retaining pillar 60 is disposed in front of the right side of the cross bar 71 in front of the rear bracket 22, so that the two limiting retaining pillars 60 are respectively located on different sides of the front middle axle 13 and the rear middle axle 24. And the embodiment is preferably that two limit bars 60 are arranged separately from the co-track link 30 on both sides of the central axis, so that the limit bars 60 only act on the front steering chassis and the rear steering chassis, and the limit bars 60 are prevented from directly contacting the co-track link 30.
In principle, the steering angle of the front steering chassis and the rear steering chassis is close to 180 °, but in order to set the maximum deflection angle of the same-track steering system for practical use in different environments, the maximum deflection angle is specifically as follows:
1) determining a maximum deflection angle A required by a front steering chassis and a rear steering chassis, wherein the maximum deflection angle A is defined as a maximum angle which is deviated leftwards or rightwards by taking a central axis as 0 degree;
2) the angle of the connection between the diagonal rod 43 of the front traction mounting seat 40 and the front bracket 11 is set, namely the angle of two sides of an isosceles triangle is also set as A;
3) deflecting the front steering chassis leftwards until an inclined rod 43 of the front traction mounting base 40 is vertical to the central axis, fixedly connecting a limiting stop pillar 60 to the bottom of an article carried by the same-track steering system, and enabling the limiting stop pillar 60 to be in contact with the rear part of the left side of a cross rod 71 behind the front support 11; similarly, the front steering chassis is deflected rightwards until an inclined rod 43 of the front traction mounting seat 40 is perpendicular to the central axis, a limiting stop pillar 60 is fixedly connected to the bottom of an article carried by the same-track steering system, and the limiting stop pillar 60 is in contact with the front of the right side of the transverse rod in front of the rear support 22.
The working principle of the same-track steering system in this embodiment 1 is that the frames of the logistics turnover vehicle are mounted on the same-track steering system, the frames are respectively and fixedly connected with the front middle axle 13 and the rear middle axle 24 through bolts,
when the tractor is pulled linearly, the front steering chassis and the rear steering chassis keep moving forwards in parallel, and the running track is parallel to the central axis;
when the chassis is deflected and dragged leftwards, the front steering chassis rotates anticlockwise by taking the front middle shaft 13 as a center to drive the same-track link rod 30 to move, the same-track link rod 30 drags the rear steering chassis to rotate clockwise by taking the rear middle shaft 24 as a center, the left side of the front steering chassis and the left side of the rear steering chassis are gathered together, the right side of the front steering chassis and the right side of the rear steering chassis are far away, and the same-track steering system forms a left-turning motion track;
when the steering system deflects and pulls rightwards, the front steering chassis rotates clockwise with the front middle shaft 13 as the center to drive the same-track link rod 30 to move, the same-track link rod 30 pulls the rear steering chassis to rotate anticlockwise with the rear middle shaft 24 as the center, the left side of the front steering chassis is far away from the left side of the rear steering chassis, the right side of the front steering chassis is gathered with the right side of the rear steering chassis, and the same-track steering system forms a right-turn motion track.
Compared with the prior art, the method has the following positive effects: the co-track steering system of embodiment 1 utilizes the front middle axle and the rear middle axle to be fixed with the upper carried object to obtain the central axis, so that the front steering chassis takes the front middle axle as the steering center, the rear steering chassis takes the rear middle axle as the steering center, and then the co-track link rod is obliquely connected to drive the front steering chassis and the rear steering chassis to rotate in opposite directions, when steering, one sides of the front steering chassis and the rear steering chassis are gathered together, and the other sides are far away from each other to form a smooth steering track, thereby effectively solving the problems of collision and super-close in the steering process of carrying cargos.
Meanwhile, the front steering chassis, the rear steering chassis and the same-track link rod are mutually independent, and the sizes and specifications of the front steering chassis, the rear steering chassis and the same-track link rod are simply adjusted, so that the logistics turnover vehicle can adapt to logistics turnover vehicles of different models, is favorable for popularization and application, and has huge market prospect.
Furthermore, foreseeable, the utility model discloses a with orbit a steering system's joint movable part is few, has greatly avoided the joint strain problem, cost of maintenance and disability rate also corresponding reduction.
Moreover, through setting up a face support bearing, effectively reduce the top carry on the commodity circulation with the utility model discloses a with orbit a steering system's friction, the effect of the reducing force during turning to ensures to turn to smoothly.
And when the inclined rod is manually limited to be perpendicular to the central axis, the maximum deflection angle of the same-track steering system is achieved, namely the inner angle of the waist of an isosceles triangle of the inclined rod is equal to the maximum deflection angle, so that the installation is convenient, the operation is easy, the design is ingenious, and the method is suitable for industrialization.
Embodiment 1 preferably, the front and rear frames are identical in construction, the front and rear center shafts are identical in construction, the front and rear thrust bearings are identical in construction, the front and rear support bearings are identical in construction, the front and rear caster plates are identical in construction, and the "front" and "rear" are different from the depending steering chassis only.
Secondly, in other embodiments, the one end of the same-track link rod is connected to the left side of the cross rod behind the front bracket through the joint bearing, and the other end of the same-track link rod is connected to the right side of the cross rod in front of the rear bracket through the joint bearing.
Example 2
The traction device of embodiment 2, comprising a front traction member disposed at the front traction mount, a rear traction member disposed at the rear traction mount, and the co-track steering system of embodiment 1.
Example 3
The logistics turnover vehicle of embodiment 3, including frame and the draw gear of embodiment 2, the bottom face contact draw gear's of frame up end, the bottom of preceding axis through bolt detachably fixed connection frame, the bottom of back axis through bolt detachably fixed connection frame, the bottom and the thrust bearing face contact of frame.
The present invention is not limited to the above embodiment, and various modifications and variations of the present invention are also intended to be included within the scope of the claims and the equivalent technical scope of the present invention if they do not depart from the spirit and scope of the present invention.
Claims (10)
1. A co-track steering system, comprising: the device comprises a front steering chassis, a rear steering chassis, a same-track link rod, a front traction mounting seat and a rear traction mounting seat;
the front steering chassis comprises a front support, a front middle shaft, a front thrust bearing and a front caster plate, wherein the front middle shaft is embedded in the front support, the front thrust bearing is sleeved on the front middle shaft, and the front end of the front support is fixedly connected with the front traction mounting seat;
the rear steering chassis comprises a rear support, a rear middle shaft, a rear thrust bearing and a rear caster plate, wherein the rear middle shaft is embedded in the rear support, the rear thrust bearing is sleeved on the rear middle shaft, and the rear end of the rear support is fixedly connected with the rear traction mounting seat;
the front steering chassis is movably connected with the rear steering chassis through the same-track link rod, and the same-track link rod drives the front steering chassis and the rear steering chassis to rotate in opposite directions.
2. The co-track steering system of claim 1, wherein: the front steering chassis further comprises a face support bearing, the face support bearing is embedded in the front support, and/or the rear steering chassis further comprises a face support bearing, and the face support bearing is embedded in the rear support.
3. The co-track steering system of claim 1, wherein: the steering device is characterized by further comprising at least two limiting retaining columns, wherein the at least two limiting retaining columns are fixedly arranged at the bottom of an object carried by the same-track steering system, and the limiting retaining columns are arranged in the moving range of the front steering chassis or the rear steering chassis.
4. The co-track steering system of claim 3, wherein: the limiting blocking columns are arranged between the front support and the rear support and are respectively positioned on different sides of the front middle shaft and the rear middle shaft.
5. The co-track steering system of claim 4, wherein: the front support is a frame, a cross rod is arranged at the front end of the front support, the front traction mounting seat comprises two inclined rods, the two inclined rods are connected with the cross rod to form an isosceles triangle shape with the two inclined rods as waist, and the front traction mounting seat and/or the rear traction mounting seat are arranged to be limited by the limiting stop posts when the front traction mounting seat swings left and right until the connecting line of the inclined rods and the rear middle shaft of the front middle shaft is perpendicular.
6. The co-track steering system of claim 1, wherein: the same-track link rod is respectively and movably connected with the front bracket and the rear bracket through joint bearings.
7. The co-track steering system of claim 1, wherein: the front support and the rear support are steel structures.
8. A traction device comprising a front traction member and a rear traction member, characterized in that: the co-track steering system of any of claims 1-7, further comprising the forward traction member disposed at the forward traction mount and the rear traction member disposed at the rear traction mount.
9. The utility model provides a commodity circulation turnover vehicle, includes the frame, its characterized in that: the draft gear according to claim 8, wherein said front middle axle and said rear middle axle are detachably and fixedly connected to a bottom of said frame by a connecting member, respectively, and said front thrust bearing and said rear thrust bearing are in surface contact with said bottom of said frame.
10. The logistics transfer cart of claim 9, wherein: the connecting piece is a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920329758.8U CN209852420U (en) | 2019-03-14 | 2019-03-14 | Same-track steering system, traction device applying same and logistics turnover vehicle applying traction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920329758.8U CN209852420U (en) | 2019-03-14 | 2019-03-14 | Same-track steering system, traction device applying same and logistics turnover vehicle applying traction device |
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| CN209852420U true CN209852420U (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920329758.8U Active CN209852420U (en) | 2019-03-14 | 2019-03-14 | Same-track steering system, traction device applying same and logistics turnover vehicle applying traction device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109774789A (en) * | 2019-03-14 | 2019-05-21 | 广州重元物流装备有限公司 | With the material conveying trolley of the traction device and the application traction device of track steering system and the application system |
| CN111216769A (en) * | 2020-02-28 | 2020-06-02 | 无锡付平物流设备有限公司 | Trolley capable of running along same track |
-
2019
- 2019-03-14 CN CN201920329758.8U patent/CN209852420U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109774789A (en) * | 2019-03-14 | 2019-05-21 | 广州重元物流装备有限公司 | With the material conveying trolley of the traction device and the application traction device of track steering system and the application system |
| CN109774789B (en) * | 2019-03-14 | 2024-02-20 | 广州重元物流装备有限公司 | Same-track steering system, traction device applying same-track steering system and material turnover vehicle applying traction device |
| CN111216769A (en) * | 2020-02-28 | 2020-06-02 | 无锡付平物流设备有限公司 | Trolley capable of running along same track |
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