CN215249326U

CN215249326U - Four-way shuttle type carrier

Info

Publication number: CN215249326U
Application number: CN202122405077.5U
Authority: CN
Inventors: 许庆波; 胡公娄; 高国方; 吕帅
Original assignee: Shanghai Suray Information Technology Co ltd
Current assignee: Surui Intelligent Mingguang Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2021-12-21
Anticipated expiration: 2031-10-08

Abstract

The utility model provides a four-way shuttle type carrier, which comprises a main carrier body, a power system, a transmission system, a control system, a running wheel set and a tray, and also comprises a lifting system, wherein the lifting system comprises a jacking mechanism and a reversing mechanism; the jacking mechanism comprises a driving gear, a rack and a rack sliding chute, the driving gear is connected with the transmission system, the rack sliding chute is vertically fixed on the main vehicle body, the rack is positioned in the rack sliding chute, and the rack is arranged below the tray; the reversing mechanism comprises a lifting mechanism and a reversing frame connected with the reversing wheel, and the lifting mechanism comprises a connecting rod hinged with the reversing frame, a sliding block hinged with the connecting rod and a sliding groove arranged on the main vehicle body; the middle part of a rack in the jacking mechanism is provided with a rack wing part protruding outwards, the reversing frame is provided with a notch for the rack to pass through, the rack wing part is arranged to abut against the reversing frame when the reversing wheel descends, and the top of the rack wing part abuts against the sliding block when the reversing wheel ascends.

Description

Four-way shuttle type carrier

Technical Field

The utility model relates to a logistics storage equipment field especially relates to a quadriversal shuttle formula carrier.

Background

With the development of the logistics industry, the majority of users have common knowledge of the logistics storage system in promoting the development of various industries, and then come up with the automation logistics system and the automation warehouse. In the automatic warehouse, intelligence shuttle carrier plays important effect, and intelligence shuttle carrier can be used to the warehouse of all kinds of high density storage modes, and the dolly passageway can be designed for arbitrary length, can improve whole warehouse storage capacity to need not fork truck and drive into the tunnel when the operation, make its security can be higher. The advantage that fork truck need not to get into the tunnel is being utilized, and the quick operation of cooperation dolly in the tunnel effectively improves the operating efficiency in warehouse.

The four-way shuttle vehicle is an intelligent carrying device which integrates the functions of four-way driving, in-situ rail changing, automatic carrying, intelligent monitoring, traffic dynamic management and the like. The automatic self-service warehouse can run along the longitudinal or transverse track direction on the crossed track to reach any one designated goods location in the warehouse, is not limited by a field, is suitable for various working environments, is freely dispatched at a terminal, and realizes full-automatic unattended operation. When the four-way shuttle is reversed, the reversing at 90 degrees is generally achieved through the up-and-down interaction of the shuttle body; and the goods can be driven to shuttle under the goods position, and the goods can be jacked by the jacking mechanism and then driven to achieve the purpose of transporting the goods in a turnable way.

The currently commonly used four-way shuttle type carrier generally adopts a hydraulic cylinder and a matched hydraulic system to realize the lifting motion of a reversing wheel and a tray, and for the current shuttle type carrier, when the shuttle type carrier is reversed and in the driving process, the hydraulic system needs to continuously maintain the pressure so as to ensure that the trolley maintains the lifting state; when the tray of the shuttle car rises, the hydraulic system needs to keep pressure, so that the tray keeps a rising state; the scheme has the defects of high cost, poor stability, difficult maintenance and the like.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a four-way shuttle formula carrier to solve the cost height that the carrier among the prior art exists, poor stability is difficult for maintaining the maintenance scheduling problem.

According to one aspect of the utility model, the four-way shuttle carrier comprises a main vehicle body, a power system, a transmission system, a control system, a running wheel set and a tray, wherein the running wheel set comprises a reversing wheel,

the carrier further comprises a lifting system, and the lifting system comprises a jacking mechanism for jacking the tray and a reversing mechanism for lifting the reversing wheel;

the jacking mechanism comprises a driving gear, a rack and a rack sliding groove, the driving gear is connected with the transmission system, the rack sliding groove is vertically fixed on the main vehicle body, the rack is positioned in the rack sliding groove, and the rack is arranged below the tray;

the reversing mechanism comprises a lifting mechanism and a reversing frame connected with a reversing wheel, and the lifting mechanism comprises a connecting rod hinged with the reversing frame, a sliding block hinged with the connecting rod and a sliding groove arranged on the main vehicle body;

the middle part of the rack in the jacking mechanism is provided with a rack wing part protruding outwards, the reversing frame is provided with a notch for the rack to pass through, the rack wing part is arranged to enable the bottom of the rack wing part to abut against the reversing frame when the reversing wheel descends, and the top of the rack wing part abuts against the sliding block when the reversing wheel ascends.

In some embodiments of the present invention, the connecting rod, the sliding block and the sliding groove are located on one side of the rack, and the sliding groove is disposed in an inclined manner with respect to the rack.

In some embodiments of the present invention, the jacking mechanism further comprises an elastic support member, the elastic support member is located between the tray and the main car body.

In some embodiments of the present invention, the elastic supporting member includes a spring, a spring supporting column and a fixing base, the fixing base is fixed on the main vehicle body, the fixing base has a through hole, the spring supporting column passes through the through hole, the first end of the spring supporting column is fixedly connected to the tray, and the spring is located between the fixing base and the second end of the spring supporting column.

The utility model discloses an in some embodiments, the quantity of tray is two, climbing mechanism's quantity is four groups, four groups climbing mechanism sets up the both ends at two trays respectively.

In some embodiments of the present invention, the drive system of the four-way shuttle vehicle includes a chain drive that drives the drive gears of the sets of jacking mechanisms to perform a rotational motion.

In some embodiments of the present invention, the number of the lifting mechanisms is four groups, and the sliding blocks of the four groups of lifting mechanisms are respectively lifted by the rack of the corresponding lifting mechanism.

In some embodiments of the present invention, each of the lifting mechanisms includes two connecting rods, two sliding blocks, and two sliding grooves, and the two connecting rods, the two sliding blocks, and the two sliding grooves are respectively symmetrically disposed on the left and right sides of the rack.

In some embodiments of the present invention, the power system includes a motor, and an output shaft of the motor is connected to a driving shaft of the transmission system.

By utilizing the four-way shuttle truck of the present disclosure, the beneficial effects that can be obtained are at least in:

the four-way shuttle carrier in the embodiment of the utility model realizes the jacking of the tray by driving the gear rack mechanism, and the goods keep a lifting state when the tray is jacked; the reversing frame is driven to lift through the driving gear rack, so that reversing movement of the four-way shuttle type carrier is realized, and the driving gear rack stops rotating to realize a reversing holding state of the carrier; compared with the currently and commonly used four-way shuttle type carrier, the four-way shuttle type carrier has the advantages of simple structure, low power consumption, low cost, good stability, easy maintenance and the like.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

It will be appreciated by those skilled in the art that the objects and advantages that can be achieved with the present invention are not limited to the details set forth above, and that these and other objects that can be achieved with the present invention will be more clearly understood from the following detailed description.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention. For convenience in illustrating and describing some portions of the present invention, corresponding parts of the drawings may be exaggerated, i.e., may be larger, relative to other components in an exemplary device actually manufactured according to the present invention. In the drawings:

fig. 1 is a top view of a four-way shuttle according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a four-way shuttle truck according to an embodiment of the present invention with a top cover removed;

FIG. 3 is a schematic diagram of a jacking mechanism of the four-way shuttle vehicle of FIG. 2;

FIG. 4 is a schematic view of the reversing mechanism of the four-way shuttle vehicle of FIG. 2;

fig. 5 is a front view of the reversing mechanism shown in fig. 4.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.

It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the solution according to the present invention are shown in the drawings, and other details not relevant to the present invention are omitted.

It should be emphasized that the term "comprises/comprising/comprises/having" when used herein, is taken to specify the presence of stated features, elements, steps or components, but does not preclude the presence or addition of one or more other features, elements, steps or components.

It should be noted that the terms of orientation and orientation used in the present specification are relative to the position and orientation shown in the drawings; the term "coupled" herein may mean not only directly coupled, but also indirectly coupled, in which case intermediates may be present, if not specifically stated. A direct connection is one in which two elements are connected without the aid of intermediate elements, and an indirect connection is one in which two elements are connected with the aid of other elements.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the drawings, like reference characters designate the same or similar parts throughout the several views.

Fig. 1 is a top view of a four-way shuttle vehicle according to an embodiment of the present invention, and fig. 2 is a schematic structural view of the four-way shuttle vehicle according to an embodiment of the present invention after a top cover is removed, as shown in fig. 1 and fig. 2, the four-way shuttle vehicle at least includes a main vehicle body 10, a power system, a transmission system, a control system, a traveling wheel set, a tray, and a lifting system. Wherein, operating system includes the climbing mechanism that is used for the jacking tray and is used for promoting the reversing mechanism of reverse wheel, and driving system includes driving part, and driving part 21 is fixed on the main automobile body 10 of shuttle carrier, and climbing mechanism includes: the driving component 21 is used as a power source of the jacking mechanism and is used for driving the driving gear 31 of the jacking mechanism to do rotary motion, and in addition, the driving gear 31 can also be connected with a transmission system. The drive member 21 is connected to the main body 10 of the truck by screws or bolts, and the support shaft of the drive gear 31 is further fixed to the main body 10 of the truck. In order to realize the rotational movement of the drive gear 31, a bearing is provided between the support shaft of the drive gear 31 and the main body 10 of the transportation vehicle.

As shown in fig. 3, the rack slide is vertically disposed on the main body 10 of the truck, the rack 32 is located in the rack slide, and the rack 32 is in meshing transmission with the driving gear 31; when the driving gear 31 makes a rotational motion, the rack 32 converts the rotational motion of the driving gear 31 into a lifting motion; the rack runner is fixed to the main body 10 in a detachable or non-detachable manner, and the overall external shape of the rack runner may be an isosceles trapezoid, and a groove is formed in the middle of the isosceles trapezoid, and the groove serves as a runner for the rack 32. It should be understood that the shape of the rack sliding groove is not particularly limited, and may be other shapes than an isosceles trapezoid. In addition, the rack 32 is specifically arranged at a position below the tray 30 of the truck, and at this time, the rack 32 can drive the tray to realize the lifting action so as to make the lifting movement.

The reversing mechanism comprises a lifting mechanism and a reversing frame 50 connected with the reversing wheel, and the lifting mechanism comprises a connecting rod 51, a sliding block 52 and a sliding groove. One end of the connecting rod 51 is hinged with the reversing frame 50, the other end is hinged with the sliding block 52, and the sliding block 52 is specifically positioned in the sliding groove and can move and rotate in the sliding groove in a small range. The middle of the rack 32 is provided with a rack wing part protruding outward, the reversing carriage 50 is provided with a notch through which the rack 32 passes, and the rack wing part is disposed such that the bottom thereof abuts against the reversing carriage 50 when the reversing wheel descends and the top thereof abuts against the slider 52 when the reversing wheel ascends.

Illustratively, as shown in fig. 3, 4 and 5, a lug is fixed on the top of the reversing frame 50, the lug and the reversing frame 50 may be of an integral structure, and the lug and the reversing frame 50 may be connected in a detachable or non-detachable manner. The lugs are provided with through holes, one end of the corresponding connecting rod 51 is also provided with a through hole, and the connecting rod 51 is connected with the lugs through a stud so as to realize the hinge joint of the connecting rod 51 and the reversing frame 50. Similarly, the other end of the slider 52 and the other end of the connecting rod 51 can be hinged by a stud.

In this embodiment, the pallet of the truck and the reversing carriage 50 are driven by the same set of rack and pinion gears. In the initial state, if the reversing carriage 50 is in the retracted state, the pallet is also in the retracted state. When the carrier moves from the initial position to the goods position and needs to lift goods, the driving part 21 drives the driving gear 31 to rotate anticlockwise, at the moment, the rack 32 rises by 40mm, the tray is gradually lifted, in the process, as the sliding block 52 is hinged with the connecting rod 51, the sliding groove provides a swinging space for the sliding block 52, in the process that the tray rises, the sliding block 52 swings in the sliding groove, and the reversing frame 50 is fixed; the corresponding state, i.e. the pallet is raised, and the reversing carriage 50 is retracted. When the carrier takes the goods and runs to the reversing position to be reversed, the driving part 21 drives the driving gear 31 to rotate clockwise, at the moment, the rack 32 moves downwards, the tray descends in the descending process of the front 40mm, and the reversing frame 50 extends downwards in the descending process of the rear 36mm, so that the reversing is realized; the corresponding state is now that the reversing carriage 50 is lowered and the pallet is retracted. Further, when the truck travels to the next reversing position for reversing, the driving member 21 drives the driving gear 31 to rotate counterclockwise, at this time, the rack 32 moves upward, the reversing carriage 50 retracts at the front 36mm, and the pallet rises at the rear 40mm, at this time, the reversing carriage 50 retracts, and the pallet rises. In an embodiment of the present invention, the slider 52 is rectangular, and the bottom of the rectangular slider 52 is provided with a U-shaped protrusion, and the U-shaped protrusion is provided with a through hole, which is connected to the through hole of the end of the connecting rod 51 by a stud, thereby realizing the hinge connection between the slider 52 and the connecting rod 51. In addition, the slider 52 is provided with a fillet structure at the position contacting with the top of the rack wing, and the top of the rack wing is always positioned below the fillet structure of the slider 52, so that the rack 32 can lift the slider 52 to move upwards in the lifting process, and the rack 32 can prevent the slider 52 from falling due to self weight in the falling process.

In an embodiment of the present invention, the connecting rod 51, the sliding block 52 and the sliding groove are all located on one side of the rack 32, and the sliding groove is disposed in an inclined manner relative to the rack 32. The reversing carriage 50 is specifically located on the left or right side of the rack 32, and the link 51 can swing with a small amplitude in the width direction of the rack 32, while the slide groove extends from the left or right side of the rack 32 toward the upper left or right, that is, the slide block 52 can slide in the slide groove toward the upper left or right. The inclination angle between the chute and the rack 32, the length of the connecting rod 51 and the swing amplitude are not particularly limited, and they can be adjusted according to the lifting distance of the reversing frame 50. The lifting mechanism of the reversing frame 50 may further include two connecting rods 51, two sliding blocks 52 and two sliding grooves, wherein the two connecting rods 51, the two sliding blocks 52 and the two sliding grooves are respectively and symmetrically disposed on the left and right sides of the rack 32. It should be noted that, in order to ensure smooth ascending and descending of the reversing frame 50, the inclination angles between the two sliding grooves on both sides of the rack 32 and the rack 32 should be the same, and the lengths of the two connecting rods 51 should also be the same.

In another embodiment of the present invention, the tray jacking mechanism further comprises an elastic supporting member, the elastic supporting member is located between the tray and the main vehicle body 10. The elastic supporting piece plays a role of buffering support in the descending process of the tray. The elastic support comprises a spring 333, a spring support column 331 and a fixed seat 332, the fixed seat 332 is fixed on the main vehicle body 10, a through hole is formed in the fixed seat 332, the spring support column 331 penetrates through the through hole, a first end of the spring support column 331 is fixedly connected with the tray, and the spring 333 is located between the fixed seat 332 and a second end of the spring support column 331. As can be seen from fig. 5, the spring support column 331 is vertically fixed below the tray, the spring support column 331 passes through the through hole of the fixing base 332, the fixing base 332 specifically includes a horizontal portion and a vertical portion, the through hole is opened on the horizontal portion, and the vertical portion is fixed with the component fixed on the main vehicle body 10 to fix the fixing base 332 with the main vehicle body 10. The end of the elastic support column far away from the tray is further provided with an end stop ring, the spring 333 is positioned below the horizontal part of the fixed seat 332, one end of the spring 333 abuts against the horizontal part of the fixed seat 332, and the other end abuts against the end stop ring of the spring support column 331. Since the spring supporting column 331 is fixedly connected with the tray, the spring supporting column 331 and the tray move synchronously, when the tray is lifted, the spring 333 between the horizontal part of the fixing seat 332 and the end stop ring of the spring supporting column 331 is compressed, and when the tray is lowered, the spring 333 between the horizontal part of the fixing seat 332 and the end stop ring of the spring supporting column 331 is released. It should be understood that the specific structure of the elastic supporting member described above is only one of many embodiments, and it mainly realizes the supporting and buffering function for the tray during the descending movement of the tray, so it can also be realized by other similar structures.

Illustratively, the number of the trays is two, and the two trays are parallel and symmetrically arranged. As shown in fig. 2, the two pallets are respectively located at positions near both sides of the main vehicle body 10. Correspondingly, for the carrier with two trays, the number of the jacking mechanisms can be four, and the four jacking mechanisms can be respectively and symmetrically arranged at two ends of the two trays. In addition, the driving part 21 of the four sets of jacking mechanisms can be one or more, and when the driving part 21 is one, the driving part synchronously drives the driving gears 31 of the four sets of jacking mechanisms; when the number of the driving members 21 is plural, the plural driving members 21 drive the driving gears 31 of the four sets of the jacking mechanisms, respectively.

Further, when the lifting system has a plurality of sets of lifting mechanisms and only one driving member 21, a transmission system is further provided between the driving member 21 and each lifting mechanism, the transmission system may specifically include a chain transmission mechanism, in which case the driving member 21 may be disposed at a middle position of one of the pallets, and the driving member 21 drives the driving gear of the lifting mechanism through the chain transmission mechanism. Illustratively, the chain transmission mechanism comprises two intermediate shafts 40 arranged in parallel, and the intermediate shafts 40 are parallel to the output shaft of the driving part 21 and the fixed shaft of the driving gear 31. To reduce the weight of the vehicle body, the intermediate shaft 40 may be a hollow shaft; in addition, the two intermediate shafts 40 are symmetrically disposed on both sides of the driving member 21. Specifically, both of the two intermediate shafts 40 may be disposed perpendicular to the tray. At this time, a first driving sprocket is arranged on the output shaft of the driving part 21, and first driven sprockets are arranged on the two intermediate shafts 40, and the first driving sprocket and the first driven sprocket are driven by a first chain, so that the intermediate shafts 40 are driven to rotate by the driving part 21. In order to simplify the chain drive, only one first drive sprocket can be provided on the output shaft of the drive part 21, which first drive sprocket is driven by a first chain with two first driven sprockets, i.e. the two central shafts rotate synchronously.

Furthermore, two second driving sprockets are respectively arranged on the two central shafts, second driven sprockets are respectively arranged on the fixed shafts of the driving gears 31 of the four groups of jacking mechanisms, and the four second driving sprockets are respectively in transmission with the four second driven sprockets through a chain. In order to ensure that the central shaft and the fixed shaft of each driving chain wheel rotate synchronously, the parameters of each second driving chain wheel and each second driven chain wheel are completely consistent. In addition, for the driving member 21 in the above embodiment, it is preferable to select a motor, in which case the output shaft of the driving member 21 is a motor output shaft, and the output shaft of the motor is further connected with the driving shaft of the transmission system, and when the transmission system only includes the chain transmission mechanism, it is understood that the driving shaft of the transmission system is the driving shaft of the chain transmission mechanism.

In addition, when the number of the jacking mechanisms is four, the number of the lifting mechanisms can also be four, and the sliding blocks 52 of the four lifting mechanisms are respectively jacked by the racks 32 of the corresponding jacking mechanisms, that is, the top positions of the rack wings of the four lifting mechanisms are respectively positioned below the corresponding sliding blocks 52. The lifting mechanism may specifically include two connecting rods 51, two sliding blocks 52 and two sliding grooves, and the two connecting rods 51, the two sliding blocks 52 and the two sliding grooves are respectively and symmetrically disposed on the left and right sides of the rack 32.

Through the embodiment, the four-direction shuttle carrier can realize the lifting motion of the reversing frame and the lifting motion of the tray by adopting the gear-rack transmission mechanism, and particularly, the torque of the driving part is transmitted to the gear-rack mechanism of the jacking mechanism through the chain transmission mechanism, so that the tray is pushed to ascend through the rack and the reversing frame descends; the mode has replaced original pneumatic cylinder and hydraulic system's function completely, compares in adopting hydraulic system to realize that the tray rises and the shuttle carrier of switching-over, has simple structure, and the consumption is little, and is with low costs, and stability is good, easy to maintain, advantages such as. In addition, the lifting motion of the tray and the reversing frame of the shuttle type carrier is realized by matching the same group of gear racks with a lifting mechanism, so that the carrier has a more compact structure.

Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments and/or in combination with or instead of the features of the other embodiments.

The above listed embodiments show and describe the basic principles and main features of the present invention, but the present invention is not limited by the above embodiments, and the modifications, equivalent changes and modifications made by those skilled in the art without creative work should fall within the protection scope of the technical solution of the present invention.

Claims

1. A four-way shuttle carrier comprises a main vehicle body, a power system, a transmission system, a control system, a running wheel set and a tray, wherein the running wheel set comprises a reversing wheel, and is characterized in that,

2. The four-way shuttle of claim 1, wherein the link, the slider, and the chute are positioned on one side of the rack, and the chute is disposed at an angle relative to the rack.

3. The four-way shuttle car of claim 1, wherein the jacking mechanism further includes a resilient support positioned between the tray and the main body.

4. The four-way shuttle car according to claim 3, wherein the resilient support includes a spring, a spring support post, and a mounting seat, the mounting seat is fixed to the main car body and has a through hole, the spring support post passes through the through hole, and a first end of the spring support post is fixedly connected to the tray, the spring is located between the mounting seat and a second end of the spring support post.

5. The four-way shuttle car according to claim 1, wherein the number of the trays is two, the number of the lift mechanisms is four, and four sets of the lift mechanisms are respectively provided at both ends of the two trays.

6. The four-way shuttle car according to claim 5, wherein the drive system of the four-way shuttle car includes a chain drive that drives the drive gears of each set of lift mechanisms for rotational movement.

7. The four-way shuttle car according to claim 5, wherein the number of said lifting mechanisms is four, and the sliding blocks of the four lifting mechanisms are respectively lifted by the rack of the corresponding lifting mechanism.

8. The four-way shuttle car according to claim 7, wherein each of said lifting mechanisms includes two links, two sliders and two sliding grooves, the two links, two sliders and two sliding grooves being respectively disposed at left and right sides of said rack symmetrically to each other.

9. The four-way shuttle vehicle of any one of claims 1 to 8, wherein the power system includes an electric motor having an output shaft coupled to a drive shaft of the transmission system.