CN116835486A

CN116835486A - Tilting-proof type logistics trolley

Info

Publication number: CN116835486A
Application number: CN202310812032.0A
Authority: CN
Inventors: 尤江南; 龚韬; 吴长庚; 林杰城; 余协; 郑陈艺; 孙晓林
Original assignee: Xiamen Aerospace Siert Robot System Co Ltd
Current assignee: Xiamen Aerospace Siert Robot System Co Ltd
Priority date: 2023-07-04
Filing date: 2023-07-04
Publication date: 2023-10-03

Abstract

The application provides an anti-tilting logistics trolley, which comprises a sub-trolley and a mother trolley; the mother car is provided with a track, and the son car is arranged on the track to walk to an external support rail butted with the track after the workpiece is delivered; the sub-vehicle is provided with a lifting platform and a fork mechanism; through the cooperation of the lifting platform and the fork mechanism, the telescopic group correspondingly extends to lift the workpiece when being in a first lifting state and a second lifting state, so that the phenomenon of interference between a vehicle and an external environment is avoided, and the workpiece is lifted in the forward direction and the reverse direction more flexibly so as to take materials from the workpiece. In the working process of the telescopic group, the sub-trolley is locked on the parent trolley through the locking mechanism, the gravity center of the whole trolley is moved downwards when the workpiece is taken and placed, so that the stability of the whole trolley is improved, the phenomenon of turning over is effectively avoided, the locking between the sub-trolley and the parent trolley is released through the locking mechanism when the telescopic group returns to a transferring state, the sub-trolley is ensured to slide on a track until the outer support rail is used for discharging, and the efficient taking and placing of the workpiece are realized.

Description

Tilting-proof type logistics trolley

Technical Field

The application relates to the technical field of logistics transportation, in particular to an anti-tilting logistics trolley.

Background

In the field of heavy structural member welding automation, logistics operation is usually carried out by butting a trolley with each station of a positioner, and a bidirectional operation function is required. When the beam positioner is in butt joint, the feeding needs to consider avoiding with external environments such as beams. The common practice is to rotate the cross beam to give way when feeding, for example, the cross beam faces downwards at the opening of the upper and automatic clamps, and the vehicle lifts the workpiece to clamp the workpiece, but the applicability of the mode is limited and is very limited by complex occasions of supporting and positioning the workpiece. If the supporting and positioning surface can only select the bottom plane, the workpiece is required to be translated to the positioner, and the existing vehicle structure cannot pass through the positioner to finish the operation.

In general, when a vehicle transports a load with a small mass, it is relatively easy to position and transfer a work, but the larger the mass of the load is, the more difficult the operation mode is. The existing logistics vehicle can realize the transportation of goods, but when the goods are heavy and have large mass, the vehicle can not automatically pick up and place the goods with large mass, even the phenomenon of vehicle rollover occurs, and the daily use and the safety of the vehicle are affected.

Disclosure of Invention

Accordingly, the present application is directed to an anti-tilting cart for solving the above problems.

The application adopts the following scheme:

the application provides an anti-tilting logistics trolley, which comprises a sub-trolley and a mother trolley; the main trolley is provided with a track, and the sub trolley is arranged on the track to walk to an external support rail butted with the track after the workpiece is carried; the sub-vehicle is provided with a lifting platform and a fork mechanism, the lifting platform is configured to be a scissor type hydraulic lifter arranged on the sub-vehicle, and the fork mechanism comprises a supporting table arranged on the scissor type hydraulic lifter, a telescopic group movably arranged on the supporting table and a power group for driving the telescopic group to extend to a lifting workpiece along the horizontal direction; the power unit is in transmission connection with the telescopic unit so as to drive the telescopic unit to freely switch states; the locking mechanism is configured to be suitable for locking the sub-trolley on the mother trolley when the telescopic group is in a first lifting state or a second lifting state, and to release the locking of the sub-trolley on the mother trolley after the telescopic group is switched to a transferring state after the workpiece is lifted by the telescopic group.

As a further improvement, the locking mechanism comprises a guide piece arranged on one of the mother car and the child car and a magnetic attraction piece arranged on the other of the mother car and the child car, wherein the guide piece can be contacted with or separated from the magnetic attraction piece in a vertical direction.

As a further improvement, the bottom of the sub-car is provided with a movable plate, a plurality of guide pieces are regularly arranged on the movable plate, the movable plate is connected with a hydraulic cylinder, the hydraulic cylinder drives the movable plate to move vertically, and the guide pieces are correspondingly abutted to the magnetic attraction pieces on the parent car.

As a further improvement, the movable plate horizontally extends along the moving direction perpendicular to the telescopic group, the magnetic attraction piece is a magnet block, and the length direction of the magnet block is consistent with the extending direction of the movable plate.

As a further improvement, the parent car comprises a travelling wheel sliding on the main rail, the parent car comprises a travelling wheel arranged on the rail, two telescopic groups opposite to the supporting table are arranged, any one of the telescopic groups and the travelling wheel on the same side are arranged on the same plane, and the travelling wheel is arranged under the travelling wheel, so that the travelling wheel and the travelling wheel are mutually collinear.

As a further improvement, the two telescopic groups share the same power group, the power group comprises a motor part, a transmission part and a screw rod part, the telescopic groups comprise a plug board part arranged on the screw rod part, and the plug board part is arranged on the screw rod part in a sliding manner so as to be controlled by the forward and reverse rotation of the motor part, and correspondingly extends in the forward direction or the reverse direction under the transmission of the screw rod part.

As a further development, the telescopic length of the fork strap section corresponds to the length of the screw rod section, which corresponds to the length of the support table.

As a further improvement, the fork strap section is suitable for bearing more than five tons of workpieces between the fork strap section and the bottom plane of the workpieces are in lifting fit.

As a further improvement, the main rail is arranged in the logistics park along a first direction, the rail extends along a second direction, and the first direction and the second direction are perpendicular to each other.

As a further improvement, the mother car is a concave car body, the track extends in the concave interior along the straight line direction, and the sub car is adaptively arranged in the concave car body, so that the mother car and the sub car are integrally molded in the shape of the logistics car.

By adopting the technical scheme, the application can obtain the following technical effects:

according to the anti-tilting type logistics trolley, through the cooperation of the lifting platform and the fork mechanism, when the telescopic group is in the first lifting state and the second lifting state, the telescopic group correspondingly extends to lift the workpiece, so that the phenomenon that the trolley is interfered with the external environment can be effectively avoided, and the workpiece is lifted in the forward direction and the reverse direction more flexibly, so that the workpiece is taken out. In particular, locking mechanism locks the sub-car on the parent car through the flexible group in the course of the work to move down the focus of whole dolly when getting and putting the work piece to this promotes the stationarity of whole dolly, has effectively avoided the phenomenon of turning over, and when flexible group return to transport the state, corresponds the locking of releasing between sub-car and the parent car through locking mechanism, guarantees that the sub-car slides on the track and carries out the blowing on the outside stock rail, realizes the high-efficient of work piece and gets put.

Drawings

FIG. 1 is a schematic view of an anti-roll logistics trolley in accordance with an embodiment of the present application at a first viewing angle;

FIG. 2 is a schematic exploded view of FIG. 1;

FIG. 3 is a schematic view of an anti-roll logistics trolley in accordance with an embodiment of the present application at a second perspective;

FIG. 4 is a schematic exploded view of FIG. 3;

FIG. 5 is a schematic view of an anti-roll logistics trolley in a third perspective in accordance with an embodiment of the present application;

FIG. 6 is a cross-sectional view of FIG. 5;

FIG. 7 is a schematic view of an anti-tilting cart in a fourth view, wherein the telescoping members in the lower view are in a lifted state;

FIG. 8 is a schematic view of an anti-roll logistics trolley in accordance with an embodiment of the present application in another view;

FIG. 9 is a schematic view of the telescopic group of FIG. 8 being switched from a transport state to a lifting state;

fig. 10 is a schematic structural diagram of an anti-tilting type logistics trolley under other view angles according to an embodiment of the present application.

Icon:

1-a sub-vehicle; 2-a mother car; 3-track; 4-lifting platform; 5-a fork mechanism; 6-supporting table; 7-telescoping groups; 8-power group; 9-a guide; 10-magnetic attraction pieces; 11-a movable plate; 12-a hydraulic cylinder; 13-travelling wheels; 14-a sliding wheel; 15-electric machine parts; 16-a transmission member; 17-a screw member; 18-fork strap section.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, based on the embodiments of the application, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the application. Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, based on the embodiments of the application, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the application.

Examples

Referring to fig. 1 to 10, the present embodiment provides an anti-tilting type logistics trolley, which comprises a sub-trolley 1 and a parent trolley 2. The parent car 2 is provided with a track 3, and the child car 1 is mounted on the track 3 to walk onto an external rail (not shown) abutting the track 3 after the work is carried. The sub-vehicle 1 is provided with a lifting platform 4 and a fork mechanism 5, the lifting platform 4 is configured as a scissor hydraulic lifter arranged on the sub-vehicle 1, the fork mechanism 5 comprises a supporting table 6 arranged on the scissor hydraulic lifter, a telescopic group 7 movably arranged on the supporting table 6 and a power group 8 for driving the telescopic group 7 to extend to a lifting workpiece along the horizontal direction. The telescopic group 7 is provided with a first lifting state extending along the forward direction, a second lifting state extending along the reverse direction and a transferring state resetting and stabilizing on the supporting table 6, and the power group 8 is in driving connection with the telescopic group 7 so as to drive the telescopic group 7 to freely switch states.

The logistics trolley further comprises a locking mechanism arranged between the mother trolley 2 and the child trolley 1, wherein the locking mechanism is configured to be suitable for locking the child trolley 1 on the mother trolley 2 when the telescopic group 7 is in a first lifting state or a second lifting state, and the locking of the child trolley 1 on the mother trolley 2 is released after the telescopic group 7 is switched to a transferring state after a workpiece is lifted.

According to the anti-tilting logistics trolley, through cooperation of the lifting platform 4 and the fork mechanism 5, the telescopic group 7 correspondingly extends to lift the workpiece when being in the first lifting state and the second lifting state, interference phenomenon between the trolley and the external environment can be effectively avoided, and the workpiece can be lifted in the forward direction and the reverse direction more flexibly so as to take materials from the workpiece. In particular, locking sub-car 1 on mother car 2 through locking mechanism in the working process at flexible group 7 to move down the focus of whole dolly when getting the work piece of putting to this promotes the stationarity of whole dolly, has effectively avoided the phenomenon of turning over, and when flexible group 7 return to the transportation state, corresponds the locking of releasing between sub-car 1 and the mother car 2 through locking mechanism, guarantees that sub-car 1 slides on track 3 and carries out the blowing on the outside rail, realizes the high-efficient of work piece and gets put.

As shown in fig. 4 to 6, in the present embodiment, the locking mechanism includes a guide 9 disposed on one of the parent vehicle 2 and the child vehicle 1, and a magnetic attraction member 10 disposed on the other of the parent vehicle 2 and the child vehicle 1, and the guide 9 is movable to vertically contact or separate from the magnetic attraction member 10. Thus, when the guide member 9 moves to be in contact with the magnetic attraction member 10, the sub-vehicle 1 is locked on the main vehicle 2, and when the guide member 9 moves to be away from the magnetic attraction member 10, the locking of the sub-vehicle 1 and the main vehicle 2 is released, so that the sub-vehicle 1 can be conveniently transferred on the track 3.

Specifically, a movable plate 11 is arranged at the bottom of the sub-vehicle 1, a plurality of guiding elements 9 are regularly arranged on the movable plate 11, the movable plate 11 is connected with a hydraulic cylinder 12, the hydraulic cylinder 12 drives the movable plate 11 to move vertically, and the guiding elements 9 are correspondingly abutted to the magnetic attraction elements 10 on the parent vehicle 2. The movable plate 11 horizontally extends along a moving direction perpendicular to the telescopic group 7, the magnetic attraction piece 10 is a magnet block, and a length direction of the magnet block is consistent with an extending direction of the movable plate 11.

It is obvious that the magnet blocks can be operated by providing magnetic force or breaking magnetic force, or the guide piece 9 and the magnet blocks can be directly forced to be demagnetized by the hydraulic cylinder 12. And, can lay the magnet piece on the travel path of sub-car 1 to carry out the locking of sub-car 1 and mother car 2 in appointed position, also can be on whole mother car 2 terminal surface corresponding to spread the magnet piece, thereby carry out the locking of sub-car 1 on mother car 2 anytime and anywhere, make sub-car 1 more nimble on mother car 2, and can prevent sub-car 1 from empting.

In this embodiment, the parent vehicle 2 includes a travelling wheel 13 sliding on a main rail (not shown), the parent vehicle 2 includes a travelling wheel 14 provided on the rail 3, two telescopic groups 7 are provided opposite to each other on the support table 6, any one of the telescopic groups 7 is disposed on the same plane as the travelling wheel 14 on the same side, and the travelling wheel 13 is disposed directly under the travelling wheel 14 so that the travelling wheel 13 and the travelling wheel are mutually collinear. It should be mentioned that, the travelling wheel 13 is used as the whole car movable support of the mother car 2, the sliding wheel 14 is used as the whole car movable support of the sub car 1, on one hand, the telescopic group 7 and the sliding wheel 14 are configured to be positioned on the same plane, so that the stable limit of the telescopic group 7 in two lifting states can be effectively improved, the sub car 1 performs more stable material taking operation, on the other hand, the sliding wheel 14 of the mother car 2 and the sliding wheel 14 on the same side of the sub car 1 are arranged in a collinear way, two by two supports are limited, the shake generated by the precision problems of height difference and the like when the sub car 1 enters an external track can be obviously weakened, and the safety and the service life of the whole car are ensured.

In this embodiment, the two telescopic groups 7 share the same power group 8, the power group 8 includes a power unit 15, a transmission unit 16 and a screw member, the telescopic group 7 includes a socket member 18 mounted on a wire member 17, and the socket member 18 is slidably disposed on the screw member to be controlled by forward and reverse rotation of the motor member 15, and correspondingly extends in a forward direction or a reverse direction under the transmission of the screw member. Thus, the spindle assembly drives the socket plate 18 in a ball screw pair manner, so that the socket plate 18 can flexibly slide back and forth in two opposite directions. It should be noted that, the power of the transmission member 16 is transmitted to the screw member, which belongs to the prior art, and will not be described herein. In other embodiments, the switching of the forward and reverse states of the fork strap section 18 may be performed directly by the bi-directional direct drive cylinder, and the limitation is not excessive.

As shown in fig. 7 to 10, in the present embodiment, the extension length of the socket piece 18 corresponds to the length of the screw piece, which corresponds to the length of the support table 6. And the plugboard piece 18 is suitable for bearing more than five tons of workpieces between the plugboard piece and the workpiece, and the plugboard piece 18 is in lifting fit with the bottom plane of the workpieces. Therefore, for the workpiece which can be supported and lifted only by the bottom plane, the logistics trolley has a good effect and a more reasonable bearing.

In this embodiment, the main rail is disposed in the logistics park along a first direction, the track 3 extends along a second direction, and the first direction and the second direction are perpendicular to each other. Obviously, the extension direction of the support rail is consistent with that of the track 3, and when the mother car 2 moves along the main rail to the mutual butt joint of the track 3 and the support rail, the discharging operation of the child car 1 can be performed.

Still further, the mother car 2 is a concave car body, the track 3 extends in the concave interior along the straight line direction, and the sub car 1 is adapted to be installed in the concave car body, so that the mother car 2 and the sub car 1 are integrally shaped as a logistics car. Therefore, the market competitiveness of the whole logistics trolley can be greatly improved, and the cost performance and the applicability are better.

The above is only a preferred embodiment of the present application, and the protection scope of the present application is not limited to the above examples, and all technical solutions belonging to the concept of the present application belong to the protection scope of the present application.

Claims

1. An anti-tilting type logistics trolley comprises a sub-trolley and a mother trolley; it is characterized in that the method comprises the steps of,

the main trolley is provided with a track, and the sub trolley is arranged on the track to walk to an external support rail butted with the track after the workpiece is carried; the sub-vehicle is provided with a lifting platform and a fork mechanism, the lifting platform is configured to be a scissor type hydraulic lifter arranged on the sub-vehicle, and the fork mechanism comprises a supporting table arranged on the scissor type hydraulic lifter, a telescopic group movably arranged on the supporting table and a power group for driving the telescopic group to extend to a lifting workpiece along the horizontal direction; wherein, the liquid crystal display device comprises a liquid crystal display device,

the power unit is in transmission connection with the telescopic unit so as to drive the telescopic unit to freely switch states; the method comprises the steps of,

the locking mechanism is configured to be suitable for locking the sub-trolley on the mother trolley when the telescopic group is in a first lifting state or a second lifting state, and to release the locking of the sub-trolley on the mother trolley after the telescopic group is switched to a transferring state after the workpiece is lifted by the telescopic group.

2. The anti-roll logistics trolley of claim 1 wherein the locking mechanism comprises a guide member disposed on one of the parent and child vehicles and a magnetic member disposed on the other of the parent and child vehicles, the guide member being movable vertically into contact with or away from the magnetic member.

3. The anti-tilting logistics trolley of claim 2, wherein a movable plate is arranged at the bottom of the sub-trolley, a plurality of guide pieces are regularly arranged on the movable plate, the movable plate is connected with a hydraulic cylinder, the hydraulic cylinder drives the movable plate to move vertically, and the guide pieces are correspondingly abutted to the magnetic attraction pieces on the parent trolley.

4. The anti-tilting logistics trolley of claim 3, wherein the movable plate horizontally extends along a direction perpendicular to the moving direction of the telescopic group, the magnetic attraction piece is a magnet block, and the length direction of the magnet block is consistent with the extending direction of the movable plate.

5. The anti-roll logistics trolley of claim 1, wherein the parent vehicle comprises road wheels sliding on a main rail, the parent vehicle comprises a running wheel provided on a rail, two telescopic groups are provided opposite to each other on a support table, any one of the telescopic groups is arranged on the same plane as the running wheel on the same side, and the road wheels are arranged under the running wheel so that the road wheels and the running wheels are mutually collinear.

6. The anti-roll logistics trolley of claim 5 wherein the two telescoping assemblies share the same power pack, the power pack comprising a motor member, a transmission member and a screw member, the telescoping assemblies comprising a fork strap section mounted on the screw member, the fork strap section being slidably disposed on the screw member for controlled forward and reverse rotation of the motor member, corresponding to forward or reverse extension driven by the screw member.

7. The anti-roll logistics trolley of claim 6 wherein the telescoping length of the fork strap section is comparable to the length of the screw member, which is comparable to the length of the support table.

8. The anti-roll logistics trolley of claim 7 wherein the fork strap section is adapted to bear more than five tons of work piece therebetween and the fork strap section is in lifting engagement with the bottom planar surface of the work piece.

9. The anti-roll logistics trolley of claim 5 wherein the primary track is disposed in a logistics park in a first direction, the track extends in a second direction, and the first and second directions are disposed perpendicular.

10. The anti-roll logistics trolley of claim 1 wherein the parent vehicle is a concave body, the track extends in a straight line into the concave interior, the child vehicle is adapted to fit into the concave body such that the parent and child vehicles are contoured as a unitary logistics vehicle.