CN215665297U

CN215665297U - Three-station swing arm mechanism on single-motor-driven four-way shuttle plate

Info

Publication number: CN215665297U
Application number: CN202121892457.XU
Authority: CN
Inventors: 王永红; 张世荣; 申杰; 刘伟; 李德虎
Original assignee: Dongjie Intelligent Technology Group Co ltd
Current assignee: Dongjie Intelligent Technology Group Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-01-28
Anticipated expiration: 2031-08-13

Abstract

The invention discloses a three-station swing arm mechanism on a four-way shuttle plate driven by a single motor, which solves the technical problem that the four-way shuttle plate used in the existing intensive warehouse has a complex structure and a large volume. A transverse driving mechanism which turns 90 degrees is connected to a longitudinal driving system of the shuttle plate, so that a walking driving motor is driven in longitudinal and transverse directions; the traditional tray lifting mechanism and the two-frame walking conversion mechanism are integrated, so that the tray lifting swing arm mechanism is converted from a second station to a third station, and three working states of walking direction conversion and tray lifting and descending are simultaneously undertaken; the invention realizes the conversion of the driving direction and the transfer of the tray simply and conveniently without increasing the volume of the shuttle plate, has low manufacturing cost and convenient space occupation and later maintenance. The invention has the advantages of ingenious structure and compact layout, designs the transverse moving function under the condition that the overall size of the shuttle plate is not increased, and obviously improves the automation degree.

Description

Three-station swing arm mechanism on single-motor-driven four-way shuttle plate

Technical Field

The invention relates to a dense warehousing system, in particular to a dense warehousing system for transferring goods by adopting a four-way shuttle plate.

Background

The intensive warehouse is produced for dealing with the storage of the same kind of large-scale goods, and in order to fully utilize the space in the intensive warehouse, the shuttle car used for transferring the goods in the intensive warehouse is designed into a flat plate shape, which is also called a shuttle plate; in an automatic dense warehouse, three-dimensional goods shelves are generally arranged in parallel with each other along the longitudinal direction, a shuttle vehicle walking track is arranged on each three-dimensional goods shelf, a pallet placing goods shelf is arranged on the goods shelf above the track, and the shuttle vehicle bears the pallet and goods and shuttles on the walking track below the goods shelf; the shuttle plate carries the pallet and goods, runs longitudinally in a goods shelf roadway under the storage goods shelf and shuttles back and forth in two directions to realize the in and out of the goods carrying pallet, so the shuttle plate which completes the function is also called as a two-way shuttle plate; the fork truck is responsible for the transfer of shuttle boards among different longitudinal roadway racks outside the dense goods shelves, and as the shuttle boards do not have the turning function, the shuttle boards can not automatically change the roadway for the longitudinal roadway in the same plane, and the fork truck or the stacker is required to help the shuttle boards to change the roadway, so that the working mode greatly weakens the storage efficiency of the automatic warehousing.

In order to complete the transfer of the tray and the goods between the body frame and the goods shelf of the shuttle plate, a swing arm lifting mechanism is arranged on the shuttle plate, and the transfer of the tray and the goods between the shuttle plate and the goods shelf is completed through the lifting and descending of the swing arm; therefore, a lifting motor and a traveling motor are respectively arranged on the traditional bidirectional shuttle plate so as to realize the bidirectional traveling of the shuttle plate along a straight line in a roadway and the transfer of goods along the up-down direction; in order to improve the storage and taking rhythm of goods, a criss-cross dense warehouse is appeared at present, and in the goods shelf of the warehouse, a transverse connection goods shelf which turns 90 degrees is connected to a goods shelf which is longitudinally arranged; in order to adapt to a criss-cross dense warehouse, a primary and secondary shuttle vehicle form is provided, a primary vehicle runs in a longitudinal goods shelf rail, and a secondary vehicle runs on a transverse goods shelf rail so as to finish the transfer of goods in the longitudinal and transverse directions; however, in the mode, two shuttle vehicles are required to be arranged, so that the defects of high equipment investment and high operation butt joint requirement exist; aiming at the problem, technicians in the field design a four-way shuttle car which can realize 90-degree turning and reversing to finish the running of the same shuttle plate among different longitudinal goods shelves, namely the shuttle plate can automatically switch lanes, so that the defects of increased equipment investment and large occupied space in front of a warehouse caused by the fact that a forklift or a stacker is arranged outside the goods shelves to help the goods shelves to switch lanes are eliminated; in order to finish the storage, the storage and the transfer of pallets and goods on a longitudinal goods shelf and a transverse goods shelf and realize 90-degree steering, two traveling motors and a lifting motor are generally arranged on the existing four-way shuttle, a transverse traveling frame is arranged outside the longitudinal traveling frame of the four-way shuttle, a longitudinal traveling wheel pair is arranged on the longitudinal traveling frame, a transverse traveling wheel pair is arranged on the transverse traveling frame, and a reversing conversion mechanism is arranged between the transverse traveling frame and the longitudinal traveling frame; in the technical scheme, two sets of cam lifting mechanisms are arranged and respectively undertake the conversion between the traveling directions of the two frames and the transfer of pallet goods; two sets of cam lifting mechanisms and three power motors are arranged on one vehicle body, so that the mechanical structure of the vehicle body of the shuttle plate is complicated, the size of the vehicle body of the shuttle plate is directly increased, the space for the shuttle plate to walk in the dense goods shelf is increased, and the storage space of the dense warehouse is extruded; in addition, the mechanical mechanism of such a shuttle plate is complex, which also causes inconvenience in manufacturing and maintenance.

Disclosure of Invention

The invention provides a three-station swing arm mechanism on a four-way shuttle plate driven by a single motor and a working method thereof, which solve the technical problem that the four-way shuttle plate used in the existing intensive warehouse has a complex structure and a large volume.

The invention solves the technical problems by the following technical scheme:

the general concept of the invention is: a transverse driving mechanism which turns 90 degrees is connected to a longitudinal driving system of the shuttle plate, so that a walking driving motor is driven in longitudinal and transverse directions; the traditional tray lifting mechanism and the two-frame walking conversion mechanism are integrated, so that the tray lifting swing arm mechanism is converted from a second station to a third station, and three working states of walking direction conversion and tray lifting and descending are simultaneously undertaken; the invention realizes the conversion of the driving direction and the transfer of the tray simply and conveniently without increasing the volume of the shuttle plate, has low manufacturing cost and convenient space occupation and later maintenance.

A single-motor-driven three-station swing arm mechanism on a four-way shuttle plate comprises a longitudinal walking square vehicle body frame, a walking driving motor with double-shaft output, a 90-degree reversing speed reducer with double-end output, a swing arm driving motor with double-end output, a front lifting box type frame body and a rear lifting box type frame body, wherein the walking driving motor, the 90-degree reversing speed reducer and the swing arm driving motor with double-end output are respectively and fixedly arranged on a frame bottom plate in the longitudinal walking square vehicle body frame; a lifting shaft bearing hole is arranged in the middle of the rear side vertical plate of the longitudinal walking square vehicle body frame, another lifting shaft bearing hole is arranged in the middle of the front side vertical plate of the longitudinal walking square vehicle body frame, the front side vertical plate at the left side of the lifting shaft bearing hole is provided with a driven transverse walking wheel shaft with the inner side end passing through hole in the vertical direction, the front side vertical plate on the right side of the lifting shaft bearing hole is provided with a strip-shaped active transverse travelling wheel shaft inner end penetrating hole in the up-down direction, a swing arm lifting driving shaft is arranged between the lifting shaft bearing hole and the other lifting shaft bearing hole, the swing arm lifting driving shaft is connected with the output end of a swing arm driving motor with double output ends, first lifting guide rails of a rear lifting box type frame body are arranged on the outer side faces of two ends of a rear vertical plate of the longitudinal walking square vehicle body frame; a lifting swing arm is connected to the outer end of the swing arm lifting driving shaft which passes through the lifting shaft bearing hole, and the lower end of the lifting swing arm is provided with a roller; a rear lifting box type frame body is movably arranged on the outer side of the rear side vertical plate, a roller is embedded into the horizontal long-strip-shaped groove in the middle of the inner side surface of the rear lifting box type frame body, and the roller arranged at the lower end of the lifting swing arm is movably embedded into the roller embedded into the horizontal long-strip-shaped groove; a first lifting guide sliding block is fixedly arranged at the end part of the inner side surface of the rear lifting box type frame body, and the first lifting guide sliding block is movably clamped on the first lifting guide rail; a transverse walking driving wheel shaft bearing is arranged on the right box body of the rear lifting box type frame body, a transverse walking driving wheel shaft is arranged in the transverse walking driving wheel shaft bearing, a transverse walking driving wheel is arranged on the transverse walking driving wheel shaft in the right box body, and the inner side end of the transverse walking driving wheel shaft is connected with a rear output shaft with a telescopic coupling, which is arranged on the rear end output end of a 90-degree reversing speed reducer with double-end output, after passing through the inner side end of the driving transverse walking driving wheel shaft and penetrating through a hole; and a transverse walking driven wheel shaft bearing is arranged on the left box body of the rear lifting box type frame body, a transverse walking driven wheel shaft is arranged in the transverse walking driven wheel shaft bearing, a transverse walking driven wheel is arranged on the transverse walking driven wheel shaft in the left box body, and the inner side end of the transverse walking driven wheel shaft is arranged in a through hole at the inner side end of the driven transverse walking wheel shaft.

A front lifting box type frame body is movably arranged on the outer side of the front side vertical plate of the longitudinal walking square vehicle body frame, and second lifting guide rails of the front lifting box type frame body are arranged on the outer side surfaces of two ends of the front side vertical plate of the longitudinal walking square vehicle body frame; the structure of the front lifting box type frame body is completely the same as that of the rear lifting box type frame body, a second lifting guide slide block is arranged at each of two ends of the inner side surface of the rear lifting box type frame body, and a front output shaft with a telescopic coupling is arranged between the rear end output end of the 90-degree reversing speed reducer and the other transverse walking driving wheel in the front lifting box type frame body; a tray is arranged between the top end surface of the front lifting box type frame body and the top end surface of the rear lifting box type frame body.

A longitudinal traveling driving wheel, a second longitudinal driving wheel, a first longitudinal driven wheel and a second longitudinal driven wheel are respectively arranged on a right vertical plate of the longitudinal traveling square vehicle body frame; and a transverse walking driving wheel and a transverse walking driven wheel are respectively arranged on the rear lifting box type frame body.

A working method of a three-station swing arm mechanism on a four-way shuttle plate driven by a single motor is characterized by comprising the following steps: when a longitudinal walking driving wheel, a second longitudinal driving wheel, a first longitudinal driven wheel and a second longitudinal driven wheel on the longitudinal walking square vehicle body frame are arranged on a longitudinal rail of a shuttle plate below a longitudinal goods shelf, the shuttle plate realizes the transmission of a tray on the shuttle plate under the driving of a walking driving motor, and at the moment, a roller arranged at the lower end of a lifting swing arm is arranged right above a bearing hole of a lifting shaft; when the shuttle plate conveys the tray to a corresponding goods position on the longitudinal goods shelf, the swing arm driving motor controls the lifting swing arm to rotate 90 degrees, so that the roller arranged at the lower end of the lifting swing arm moves to the position right in front of the lifting shaft bearing hole, at the moment, the front lifting box type frame body and the rear lifting box type frame body are lowered, and the tray is transferred to the corresponding goods position on the longitudinal goods shelf from the shuttle vehicle; then, starting a walking driving motor to enable the shuttle plate to return to the intersection of the longitudinal goods shelf and the transverse roadway, stopping the walking driving motor, starting a swing arm driving motor again, controlling the lifting swing arm to rotate for 90 degrees continuously, enabling a roller arranged at the lower end of the lifting swing arm to move to the position right below a lifting shaft bearing hole, enabling a transverse walking driving wheel and a transverse walking driven wheel to fall on a transverse walking track in the transverse roadway, and meanwhile, lifting the longitudinal walking driving wheel, the second longitudinal driving wheel, the first longitudinal driven wheel and the second longitudinal driven wheel to separate from the longitudinal track to finish reversing of the shuttle vehicle; when the walking driving motor is started again, the shuttle plate walks transversely along the transverse walking track.

The four-way shuttle plate is characterized in that box-type lifting frames are respectively arranged on the outer sides of two vertical plates without wheels of the shuttle plate on the basis of a two-way shuttle plate, reversing wheels are arranged on the lifting frames, and the driving after the driving is changed is realized by leading out a steering mechanical structure, so that the shuttle plate can transversely move on a transverse track to change a roadway after the shuttle plate goes out of a longitudinal roadway; the invention has the advantages of ingenious structure and compact layout, designs the transverse moving function under the condition that the overall size of the shuttle plate is not increased, and fully plays a role in the space utilization rate of the dense warehouse; the transverse moving function is provided, the shuttle plate has the possibility of automatically replacing the roadway, and the automation degree is obviously improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a longitudinal traveling square vehicle body frame 1 of the present invention;

FIG. 3 is a schematic diagram of the structure of the longitudinal and transverse driving mechanisms of the present invention;

FIG. 4 is a view showing the fitting relationship between the longitudinal traveling square vehicle body frame 1 and two cage type frame bodies according to the present invention;

FIG. 5 is a view showing the fitting relationship between the swing arm lift drive shaft 35 of the present invention and the front side vertical plate 10 of the longitudinal traveling square vehicle body frame 1;

fig. 6 is a schematic structural view of a rear elevator-type frame body 29 according to the present invention;

FIG. 7 is a view showing the guiding and fitting relationship between the rear cage-type frame body 29 and the front side vertical plate 10 according to the present invention;

fig. 8 is a schematic view showing a structure in which the shuttle car of the present invention travels in the longitudinal racks 42 with the lateral lanes 43.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings:

a single-motor-driven four-way shuttle plate comprises a longitudinal walking square vehicle body frame 1, a double-shaft-output walking driving motor 2, a double-end-output 90-degree reversing speed reducer 24, a front lifting box type frame body 41 and a rear lifting box type frame body 29; the longitudinal walking square vehicle body frame 1 is a longitudinal walking vehicle body frame with a shuttle plate on a shuttle plate longitudinal rail 45 in a longitudinal goods shelf 42, and longitudinal walking wheels are arranged on a left vertical plate and a right vertical plate of the longitudinal walking square vehicle body frame 1; the front elevator box type frame body 41 and the rear elevator box type frame body 29 are vehicle body transverse walking vehicle body frames with shuttle plates walking on a transverse walking track 46 in a transverse roadway 43, a transverse walking driving wheel 27 and a transverse walking driven wheel 28 are arranged on the vehicle body transverse walking vehicle body frames, and the transverse walking driving wheel 27 and the transverse walking driven wheel 28 walk on the transverse walking track 46; when the longitudinally walking square vehicle body frame 1 walks, the front elevator box type frame body 41 and the rear elevator box type frame body 29 are in a lifting state, and when the front elevator box type frame body 41 and the rear elevator box type frame body 29 walk, the longitudinally walking square vehicle body frame 1 is in a lifting state; a frame bottom plate in a longitudinal walking square vehicle body frame 1 is respectively and fixedly provided with a walking driving motor 2 and a 90-degree reversing speed reducer 24, a right vertical plate 5 of the longitudinal walking square vehicle body frame 1 is provided with a longitudinal driving shaft passing bearing hole 6, a left vertical plate of the longitudinal walking square vehicle body frame 1 is provided with a longitudinal driving shaft passing abdicating groove 47, a rear vertical plate of the longitudinal walking square vehicle body frame 1 is provided with a vertically long strip-shaped transverse walking driving shaft passing hole 12, a front vertical plate of the longitudinal walking square vehicle body frame 1 is also correspondingly provided with a vertically long strip-shaped other transverse walking driving shaft passing hole, a longitudinal walking driving shaft 3 is arranged between the longitudinal driving shaft passing bearing hole 6 and the longitudinal driving shaft passing abdicating groove 47, and two ends of the longitudinal walking driving shaft 3 are provided with longitudinal walking driving wheels 4, a longitudinal walking driving shaft 3 is connected with an output shaft of a walking driving motor 2, a rear output shaft 25 with a telescopic coupling is arranged between the longitudinal driving shaft passing through a bearing hole 6 and a rear end output end of a 90-degree reversing speed reducer 24, a front output shaft 26 is arranged between a vertically-long strip-shaped transverse walking driving shaft penetrating hole correspondingly arranged on a front side vertical plate of the longitudinal walking square vehicle body frame 1 and a front end output end of the 90-degree reversing speed reducer 24, a transverse walking driving wheel 27 is arranged at an outer side end of the rear output shaft 25, and another transverse walking driving wheel is arranged at an outer side end of the front output shaft 26; a power extraction driven sprocket 22 is arranged on an input shaft 23 of a 90-degree reversing speed reducer 24, a power extraction driving sprocket 21 is arranged on the longitudinal traveling driving shaft 3, and a power extraction chain 20 is arranged between the power extraction driving sprocket 21 and the power extraction driven sprocket 22; the invention realizes the 90-degree direction change of the driving force led out from the longitudinal walking driving shaft 3 by the 90-degree reversing speed reducer 24, and realizes the driving in the longitudinal direction and the transverse direction by using a single driving motor; when the longitudinal driving wheel walks, the transverse driving wheel is in a suspended idle running state; when the transverse driving wheel walks, the longitudinal driving wheel is in a suspended idle running state.

A front elevator box type frame body 41 is arranged on the outer side of a front side vertical plate of the longitudinal walking square vehicle body frame 1, a rear elevator box type frame body 29 is arranged on the outer side of a rear side vertical plate of the longitudinal walking square vehicle body frame 1, a wheel shaft of the transverse walking driving wheel 27 is arranged on the rear elevator box type frame body 29, and a wheel shaft of the other transverse walking driving wheel is arranged on the front elevator box type frame body 41; the structure of the front elevator box type frame body 41 is completely the same as that of the rear elevator box type frame body 29, and a pair of transverse traveling driving wheels and a pair of transverse traveling driven wheels are correspondingly arranged.

A single-motor-driven four-way shuttle plate is characterized in that a second longitudinal driving shaft is arranged on a right vertical plate and a left vertical plate of a longitudinal walking square vehicle body frame 1 and penetrates through a bearing hole 7, a first longitudinal driven wheel shaft hole 8 and a second longitudinal driven wheel shaft hole 9; a second longitudinal driving shaft 17 penetrates through the bearing hole 7 of the second longitudinal driving shaft, a second longitudinal driving wheel 16 is connected to the outer side end of the second longitudinal driving shaft 17, a longitudinal driving driven sprocket 18 is arranged at the inner side end of the second longitudinal driving shaft 17, a longitudinal driving sprocket 19 is arranged on the longitudinal walking driving shaft 3, and a longitudinal driving chain 22 is arranged between the longitudinal driving driven sprocket 18 and the longitudinal driving sprocket 19; a first longitudinal driven wheel 37 is arranged in the first longitudinal driven wheel shaft hole 8, and a second longitudinal driven wheel 38 is arranged in the second longitudinal driven wheel shaft hole 9; a transverse travel follower 28 is provided in the rear cage-type frame body 29.

A reversing driving method of a four-way shuttle plate driven by a single motor is characterized by comprising the following steps: the longitudinal walking driving wheel 4, the second longitudinal driving wheel 16, the first longitudinal driven wheel 37 and the second longitudinal driven wheel 38 on the longitudinal walking square vehicle body frame 1 are arranged on a longitudinal rail 45 of a shuttle plate below a longitudinal goods shelf 42, and the shuttle plate realizes the transmission and the transfer of a tray 44 on the shuttle plate under the driving of the walking driving motor 2; when the shuttle plate returns to the intersection of the longitudinal goods shelf 42 and the transverse roadway 43, after the travel driving motor 2 stops, the rear elevator box type frame body 29 and the front elevator box type frame body 41 fall down simultaneously, the transverse travel driving wheel 27 and the transverse travel driven wheel 28 fall on the transverse travel track 46 under the transverse roadway 43, and meanwhile, the longitudinal travel driving wheel 4, the second longitudinal driving wheel 16, the first longitudinal driven wheel 37 and the second longitudinal driven wheel 38 are lifted up to be separated from the track; when the walking driving motor 2 is started again, the shuttle plate walks transversely along the transverse walking track 46; the 90-degree reversing of the driving power is realized by arranging a power leading-out chain wheel mechanism between the input shaft of the 90-degree reversing speed reducer 24 and the longitudinal walking driving shaft 3.

A single-motor-driven three-station swing arm mechanism on a four-way shuttle plate comprises a longitudinal walking square vehicle body frame 1, a double-shaft-output walking driving motor 2, a double-end-output 90-degree reversing speed reducer 24, a double-end-output swing arm driving motor 36, a front lifting box type frame body 41 and a rear lifting box type frame body 29, wherein the walking driving motor 2, the 90-degree reversing speed reducer 24 and the double-end-output swing arm driving motor 36 are fixedly arranged on a frame bottom plate in the longitudinal walking square vehicle body frame 1 respectively; a lifting shaft bearing hole 11 is arranged in the middle of a rear side vertical plate of the longitudinal walking square vehicle body frame 1, the middle part of a front side vertical plate 10 of the longitudinal walking square vehicle body frame 1 is provided with another lifting shaft bearing hole, the front side vertical plate 10 at the left side of the lifting shaft bearing hole 11 is provided with a driven transverse travelling wheel shaft inner end penetrating hole 13 which is long in the vertical direction, the front side vertical plate 10 at the right side of the lifting shaft bearing hole 11 is provided with a strip-shaped active transverse travelling wheel shaft inner end penetrating hole 12 in the up-down direction, a swing arm lifting driving shaft 35 is arranged between the lifting shaft bearing hole 11 and the other lifting shaft bearing hole, the swing arm lifting driving shaft 35 is connected with the output end of a swing arm driving motor 36 with double-end output, the outer side surfaces of two ends of a rear side vertical plate 10 of the longitudinal walking square vehicle body frame 1 are respectively provided with a first lifting guide rail 14 of a rear lifting box type frame body 29; a lifting swing arm 33 is connected to the outer end of the swing arm lifting driving shaft 35 which passes through the lifting shaft bearing hole 11, and a roller 34 is arranged at the lower end of the lifting swing arm 33; a rear elevator box type frame body 29 is movably arranged on the outer side of the rear vertical plate 10, a roller wheel embedded horizontal strip-shaped groove 32 is arranged in the middle of the inner side surface of the rear elevator box type frame body 29, and a roller wheel 34 arranged at the lower end of an elevator swing arm 33 is movably embedded into the roller wheel embedded horizontal strip-shaped groove 32; a first lifting guide sliding block 39 is fixedly arranged at the end part of the inner side surface of the rear lifting box type frame body 29, and the first lifting guide sliding block 39 is movably clamped on the first lifting guide rail 14; a transverse walking driving wheel shaft bearing is arranged on a right box body of the rear lifting box type frame body 29, a transverse walking driving wheel shaft 30 is arranged in the transverse walking driving wheel shaft bearing, a transverse walking driving wheel 27 is arranged on the transverse walking driving wheel shaft 30 in the right box body, and the inner side end of the transverse walking driving wheel shaft 30 is connected with a rear output shaft 25 with a telescopic coupling, which is arranged on the rear end output end of a double-end output 90-degree reversing speed reducer 24 after passing through the inner side end of a driving transverse walking wheel shaft through a hole 12; a transverse walking driven wheel axle bearing is arranged on the left box body of the rear lifting box type frame body 29, a transverse walking driven wheel axle 31 is arranged in the transverse walking driven wheel axle bearing, a transverse walking driven wheel 28 is arranged on the transverse walking driven wheel axle 31 in the left box body, and the inner side end of the transverse walking driven wheel axle 31 is arranged in the through hole 13 of the inner side end of the driven transverse walking wheel axle.

A front elevator box type frame body 41 is movably arranged on the outer side of the front side vertical plate of the longitudinal walking square vehicle body frame 1, and second elevator guide rails 15 of the front elevator box type frame body 41 are arranged on the outer side surfaces of two ends of the front side vertical plate of the longitudinal walking square vehicle body frame 1; the structure of the front elevator box type frame body 41 is completely the same as that of the rear elevator box type frame body 29, a second elevator guide slide block 40 is arranged at both ends of the inner side surface of the rear elevator box type frame body 29, and a front output shaft 26 with a telescopic coupling is arranged between the rear end output end of the 90-degree reversing speed reducer 24 and the other transverse traveling driving wheel in the front elevator box type frame body 41; a tray 44 is provided between the top end surface of the front elevator-box-type frame body 41 and the top end surface of the rear elevator-box-type frame body 29.

A longitudinal traveling driving wheel 4, a second longitudinal driving wheel 16, a first longitudinal driven wheel 37 and a second longitudinal driven wheel 38 are respectively arranged on a right vertical plate of the longitudinal traveling square vehicle body frame 1; a transverse traveling driving wheel 27 and a transverse traveling driven wheel 28 are respectively arranged on the rear lifting box type frame body 29; the mechanism is characterized in that the rollers 34 arranged at the lower end of the lifting swing arm 33 are arranged at three moving positions where the rollers are embedded into the horizontal strip-shaped grooves 32, so that the conversion of the rear lifting box type frame body 29 and the front lifting box type frame body 41 at three working positions of a high position, a middle position and a bottom position is realized, and the purposes of lifting the tray, transferring the tray onto a longitudinal shelf and changing the tray from longitudinal walking to transverse walking are achieved.

A working method of a three-station swing arm mechanism on a four-way shuttle plate driven by a single motor is characterized by comprising the following steps: when the longitudinal traveling driving wheel 4, the second longitudinal driving wheel 16, the first longitudinal driven wheel 37 and the second longitudinal driven wheel 38 on the longitudinal traveling square vehicle body frame 1 are arranged on the shuttle plate longitudinal rail 45 below the longitudinal goods shelf 42, the shuttle plate realizes the transmission of the pallet 44 on the shuttle plate under the driving of the traveling driving motor 2, and at the moment, the roller 34 arranged at the lower end of the lifting swing arm 33 is arranged right above the lifting shaft bearing hole 11; when the shuttle plate conveys the tray 44 to a corresponding goods position on the longitudinal goods shelf 42, the swing arm driving motor 36 controls the lifting swing arm 33 to rotate 90 degrees, so that the roller 34 arranged at the lower end of the lifting swing arm 33 moves to the position right in front of the lifting shaft bearing hole 11, at the moment, the front elevator box type frame body 41 and the rear elevator box type frame body 29 descend, and the tray 44 is transferred to the corresponding goods position on the longitudinal goods shelf 42 from the shuttle vehicle; then, the walking driving motor 2 is started to enable the shuttle plate to return to the intersection of the longitudinal goods shelf 42 and the transverse roadway 43, the walking driving motor 2 stops, the swing arm driving motor 36 is started again, the lifting swing arm 33 is controlled to rotate for 90 degrees continuously, the roller 34 arranged at the lower end of the lifting swing arm 33 moves to the position right below the lifting shaft bearing hole 11, at the moment, the transverse walking driving wheel 27 and the transverse walking driven wheel 28 fall on the transverse walking track 46 in the transverse roadway 43, meanwhile, the longitudinal walking driving wheel 4, the second longitudinal driving wheel 16, the first longitudinal driven wheel 37 and the second longitudinal driven wheel 38 are lifted to be separated from the longitudinal track 45, and reversing of the shuttle vehicle is completed; when the walking driving motor 2 is started again, the shuttle plate walks transversely along the transverse walking track 46; by adopting the mechanism of the invention, a forklift or a stacker is not arranged in front of the dense warehouse, and only a transverse roadway is arranged between the longitudinal goods shelves, so that the automatic transverse movement of the shuttle plate between different longitudinal goods shelves can be completed, the work rhythm is improved, and the equipment investment is saved.

Claims

1. A three-station swing arm mechanism on a single-motor-driven four-way shuttle plate comprises a longitudinal walking square vehicle body frame (1), a walking driving motor (2) with double-shaft output, a 90-degree reversing speed reducer (24) with double-end output, a swing arm driving motor (36) with double-end output, a front lifting box type frame body (41) and a rear lifting box type frame body (29), wherein the walking driving motor (2), the 90-degree reversing speed reducer (24) and the swing arm driving motor (36) with double-end output are respectively and fixedly arranged on a frame bottom plate in the longitudinal walking square vehicle body frame (1); the lifting axle bearing hole (11) is arranged in the middle of the rear side vertical plate of the longitudinal walking square vehicle body frame (1), the middle of the front side vertical plate (10) of the longitudinal walking square vehicle body frame (1) is provided with another lifting axle bearing hole, the inner side end of a long strip-shaped driven transverse walking wheel axle in the vertical direction penetrates through a hole (13) on the front side vertical plate (10) on the left side of the lifting axle bearing hole (11), the inner side end of a long strip-shaped driving transverse walking wheel axle in the vertical direction penetrates through a hole (12) on the front side vertical plate (10) on the right side of the lifting axle bearing hole (11), the lifting axle bearing device is characterized in that a swing arm lifting driving shaft (35) is arranged between the lifting axle bearing hole (11) and the other lifting axle bearing hole, the swing arm lifting driving shaft (35) is connected with the output end of a swing arm driving motor (36) with double-end output, the outer side surfaces of two ends of a rear side vertical plate (10) of a longitudinal traveling square vehicle body frame (1) are respectively provided with a first lifting guide rail (14) of a rear lifting box type frame body (29); a lifting swing arm (33) is connected to the outer end of the swing arm lifting driving shaft (35) which passes through the lifting shaft bearing hole (11), and a roller (34) is arranged at the lower end of the lifting swing arm (33); a rear elevator box type frame body (29) is movably arranged on the outer side of the rear side vertical plate (10), the middle of the inner side surface of the rear elevator box type frame body (29) is provided with a roller embedded horizontal strip-shaped groove (32), and a roller (34) arranged at the lower end of the lifting swing arm (33) is movably embedded into the roller embedded horizontal strip-shaped groove (32); a first lifting guide sliding block (39) is fixedly arranged at the end part of the inner side surface of the rear lifting box type frame body (29), and the first lifting guide sliding block (39) is movably clamped on the first lifting guide rail (14); a transverse walking driving wheel axle bearing is arranged on a right box body of the rear lifting box type frame body (29), a transverse walking driving wheel axle (30) is arranged in the transverse walking driving wheel axle bearing, a transverse walking driving wheel (27) is arranged on the transverse walking driving wheel axle (30) in the right box body, and the inner end of the transverse walking driving wheel axle (30) is connected with a rear output shaft (25) which is provided with a telescopic coupling and arranged on the rear end output end of a 90-degree reversing speed reducer (24) with double-end output after passing through the inner end of the driving transverse walking wheel axle through a hole (12); a transverse walking driven wheel axle bearing is arranged on a left box body of the rear lifting box type frame body (29), a transverse walking driven wheel axle (31) is arranged in the transverse walking driven wheel axle bearing, a transverse walking driven wheel (28) is arranged on the transverse walking driven wheel axle (31) in the left box body, and the inner side end of the transverse walking driven wheel axle (31) is arranged in a hole (13) formed in the inner side end of the driven transverse walking wheel axle.

2. The single-motor-driven three-station swing arm mechanism on the four-way shuttle plate according to claim 1, wherein a front lifting box type frame body (41) is movably arranged on the outer side of a front side vertical plate of the longitudinal walking square vehicle body frame (1), and second lifting guide rails (15) of the front lifting box type frame body (41) are respectively arranged on the outer side surfaces of two ends of the front side vertical plate of the longitudinal walking square vehicle body frame (1); the structure of the front lifting box type frame body (41) is completely the same as that of the rear lifting box type frame body (29), two ends of the inner side surface of the rear lifting box type frame body (29) are respectively provided with a second lifting guide sliding block (40), and a front output shaft (26) with a telescopic coupling is arranged between the output end of the rear end of the 90-degree reversing speed reducer (24) and the other transverse walking driving wheel in the front lifting box type frame body (41); a tray (44) is provided between the top end surface of the front elevator box type frame body (41) and the top end surface of the rear elevator box type frame body (29).

3. The single-motor-driven three-station swing arm mechanism on the four-way shuttle plate according to claim 2 is characterized in that a longitudinal walking driving wheel (4), a second longitudinal driving wheel (16), a first longitudinal driven wheel (37) and a second longitudinal driven wheel (38) are respectively arranged on a right vertical plate of a longitudinal walking square vehicle body frame (1); a transverse traveling driving wheel (27) and a transverse traveling driven wheel (28) are respectively arranged on the rear lifting box type frame body (29).