CN116788745A

CN116788745A - Intelligent warehouse transmission system

Info

Publication number: CN116788745A
Application number: CN202310860834.9A
Authority: CN
Inventors: 李建坡; 刘兆丰; 刘连江
Original assignee: Tangshan Hedao Food Co ltd
Current assignee: Tangshan Hedao Food Co ltd
Priority date: 2023-07-14
Filing date: 2023-07-14
Publication date: 2023-09-22

Abstract

An intelligent warehouse transmission system comprises a power transmission system, a rail and a traveling vehicle; the track comprises a longitudinal track and a transverse track, and the longitudinal track and the transverse track are vertically crossed; rotatable steering tracks are arranged at the crossing positions; the walking vehicle comprises a bottom plate and wheels; the bottom plate is provided with a running rack; the wheels are arranged on the bottom plate; in the power transmission system, a main shaft is connected with a driving motor, a driven shaft is perpendicular to the main shaft, a counter shaft is arranged on two sides of the main shaft, the driven shaft is connected with the main shaft through a gear set, a driven shaft is connected with the counter shaft, and the rest driven shafts are meshed with a driving rack for transmission. The invention improves the goods storing and taking efficiency, saves turning tracks, saves occupied area, can splice a plurality of traveling vehicles to realize large-scale goods transportation, and improves the transportation efficiency.

Description

Intelligent warehouse transmission system

Technical Field

The invention relates to the technical field of logistics storage, in particular to an intelligent warehouse transmission system for goods sorting and transferring.

Background

In a large warehouse, various cargoes are mixed and temporarily stored, and a passage for transporting the cargoes is reserved in the cargo storing and taking process, so that the utilization rate of the warehouse is reduced. Particularly, after people enter the refrigerator, the low-temperature environment can influence the health of the human body. When goods need be transported, the goods are transported after being picked up by a picker, and the transportation mode comprises: firstly, push to the packing platform through the goods picking car, because warehouse area is great, so need the goods picking person to walk far away to send the commodity on the goods picking car to the packing platform, this kind of mode inefficiency, physical power is very big. Secondly, through the conveyer belt, the goods container that the goods were examined will be placed on the conveyer belt promptly by the person of choosing, automatic conveying to the packing platform by the conveyer belt, this kind of mode need not the person of choosing to shuttle in the warehouse repeatedly, saved physical power, but need very big warehouse area to put up of conveyer belt equipment, especially large-scale merchant surpasses or express delivery station etc. the goods kind is various, the shipment mouth is different, then need diversified transport goods, so all directions all need set up the conveyer belt, but can not turn to wantonly after the goods is sent on the conveyer belt, need install the driving lever additional in the branching department of conveyer belt and control its change direction, the area demand to the warehouse is very big, bring very big economic burden for the producer.

For example, in the chinese patent "goods picking and conveying device, goods picking system and method (201810835874.7)", a straight track and a turning slideway for turning and turning are arranged on the track, and a special turning track space is required during the arrangement of the track, so that the occupied area is large, and the transportation efficiency is affected.

Disclosure of Invention

Aiming at the defects of large occupied area, high cost, low transportation efficiency and the like of a turning track in the background technology, the invention provides an intelligent warehouse transmission system which can effectively improve the utilization rate of a warehouse and does not need frequent personnel entering and exiting the warehouse.

The technical scheme adopted by the invention is as follows: an intelligent warehouse transmission system comprises a power transmission system, a rail and a traveling vehicle;

the track comprises a plurality of groups of parallel longitudinal tracks and a plurality of groups of parallel transverse tracks, and the longitudinal tracks and the transverse tracks are vertically crossed; a rotatable steering track is arranged at the crossing position of each longitudinal track and each transverse track;

the walking vehicle comprises a bottom plate and wheels; the bottom plate is provided with running racks which are vertically crossed, and the crossed parts of the racks are two-way crossed teeth which are transversely and longitudinally crossed; the wheels are movably arranged on the bottom plate through connecting pieces;

the power transmission system comprises a main shaft, a secondary shaft and a driven shaft; the main shaft is connected with the driving motor, the driven shafts are perpendicular to the main shaft, the auxiliary shafts are arranged on two sides of the main shaft, the driven shafts are connected with the main shaft through gear sets, two ends of one driven shaft are connected with the auxiliary shafts through gears, and two ends of the other driven shafts are meshed with the driving racks through travelling gears for transmission.

As a preferable technical scheme: the steering rails are movably arranged at the joint position of the longitudinal rails and the transverse rails through rotating shafts, four steering rails are in a group, and the rotating shafts of the two steering rails which are transversely arranged in parallel in each group are respectively connected with the swing arms through connecting rods; the rotating shafts of the two steering rails longitudinally arranged in each group are respectively connected with the swing arm through a connecting rod, and one connecting rod is provided with an air cylinder; the cylinder controls the swing arm and the connecting rod to move, so that a group of steering tracks are controlled to synchronously rotate.

As a preferable technical scheme: the two-way crossed teeth comprise transverse teeth and longitudinal teeth, and each tooth is of a rectangular pyramid structure.

As a preferable technical scheme: the power transmission system comprises two auxiliary shafts which are respectively arranged at two sides of the main shaft; the two shaft ends of each auxiliary shaft are respectively sleeved with a traveling gear, and the traveling gears are meshed with the traveling racks for transmission; the auxiliary shaft is sleeved with a bevel gear.

As a preferable technical scheme: a plurality of driven shafts are axially arranged in parallel along the main shaft; wherein the bevel gear at the shaft end of one driven shaft is meshed with the bevel gear on the auxiliary shaft; the two ends of the other driven shafts and the auxiliary shaft are meshed with the running racks through running gears.

As a preferable technical scheme: each driven shaft is provided with a reversing mechanism, the reversing mechanism comprises a shell, and the driven shafts penetrate through the shell; a reversing gear, a reversing deflector rod combination and a main shaft output bevel gear are arranged in the shell; the two reversing gears are symmetrically sleeved on the driven shaft, and shifting forks in the reversing shift lever combination are respectively inserted on the reversing gears; the main shaft output bevel gear is arranged below the two reversing gears and is rotationally connected with the base through a rotating shaft, a worm wheel is sleeved on the rotating shaft, and the worm wheel is meshed with the main shaft for transmission.

As a preferable technical scheme: the reversing deflector rod assembly comprises a shifting fork, a deflector rod, a compression spring and an air cylinder, wherein the air cylinder is connected with the deflector rod, the deflector rod penetrates through the shell, the shifting fork is arranged vertically downwards, and the deflector rod outside the shell is sleeved with the compression spring; the shifting fork is inserted into the reversing gear, and the electromagnetic valve on the air cylinder is connected with the controller to realize synchronous reversing.

As a preferable technical scheme: each traveling vehicle spans two longitudinal rails and two transverse rails, and four wheels on the bottom plate correspond to four steering rails respectively.

As a preferable technical scheme: the main shaft rotates through the driving mechanism, the main shaft drives the main shaft output bevel gear to rotate through the worm wheel, and the main shaft output bevel gear drives the reversing gear to rotate, so that the driven shaft rotates; the driven shaft rotates, the auxiliary shaft is driven to rotate through the bevel gear, and the auxiliary shaft is meshed and transmitted with a traveling rack on the traveling vehicle through a traveling gear at the shaft end; the other driven shafts are meshed with a traveling rack on the traveling vehicle through traveling gears for transmission; the movement of the travelling car is realized.

Compared with the prior art, the transmission system disclosed by the invention is characterized in that a plurality of groups of vertically crossed straight tracks and a plurality of groups of horizontally crossed straight tracks are arranged in a limited storage space, so that a transport tool channel and a pedestrian channel do not need to be additionally reserved, and the effective area is completely utilized; the steering rails are arranged at the intersections of the vertical and horizontal straight rails, the traveling vehicles can move forwards and backwards along the longitudinal rails and can also move left and right along the transverse rails, and the traveling vehicles can move in different directions at the same time, so that the goods storage and taking efficiency is improved, the turning rails are omitted, the occupied area is saved, and the traveling vehicles can be spliced to realize large-scale goods conveying and the transportation efficiency is improved.

Drawings

Fig. 1 is a schematic view of a track structure according to the present invention.

FIG. 2 is a schematic view of the bottom surface of the floor of the walker in the present invention.

Fig. 3 is a schematic diagram of a power transmission system according to the present invention.

Fig. 4 is a schematic structural view of a reversing mechanism in the invention.

Fig. 5 is a schematic view of a cross tooth structure according to the present invention.

FIG. 6 is a diagram of a power transmission system and track layout according to the present invention.

FIG. 7 is a schematic illustration of the relationship between the floor and wheels of the walker in the present invention.

Fig. 8 is a schematic top view of a control portion of a steering track of the present invention.

Fig. 9 is a side view of the steering track of the present invention.

Fig. 10 is a schematic view of an automatic locking structure in the present invention.

Fig. 11 is a cross-sectional view of a running gear in accordance with the present invention.

In the figure: the device comprises a longitudinal rail 1, a transverse rail 2, a steering rail 3, a traveling car 4, a main shaft 5, a counter shaft 6, a first driven shaft 7, a second driven shaft 8, a third driven shaft 9, a back-and-forth moving traveling gear 10, a left-and-right moving traveling gear 11, a reversing gear 12, a bearing seat 13, a deflector rod 14, a compression spring 15, a cylinder 16, a shifting fork 17, a main shaft output bevel gear 18, a worm wheel 19, a shell 20, a connecting rod 21, a swing arm 22, a cylinder 23, a locking sleeve 24, a positioning hole 25, a positioning ball 26 and a spring 27.

Detailed Description

The invention is further described below with reference to the drawings and examples.

Referring to fig. 1-11, the intelligent warehouse transmission system disclosed by the invention is mainly applied to warehouse cargo transportation and comprises a power transmission system, a rail and a travelling car.

The track comprises a longitudinal track 1 and a transverse track 2 which are arranged in a vertical crossing way, and a rotatable steering track 3 is arranged at the crossing position of the longitudinal track 1 and the transverse track 2. The outer edge of the steering track 3 is an outwards convex arc surface, and a positioning groove for positioning wheels is arranged on the middle part of the steering track 3. The end surfaces of the longitudinal rail and the transverse rail corresponding to the steering rail are concave arc surfaces matched with the longitudinal rail and the transverse rail. The turning track 3 has a gap with the transverse track 2 and the longitudinal track 1 at the periphery thereof, so that the circumferential rotation of the turning track 3 is ensured.

As a preferred embodiment: referring to fig. 8 to 9, the steering rail 3 is movably installed at the crossing point of the longitudinal rail and the transverse rail by a rotation shaft. The bearing frame fixed mounting is subaerial, and pivot movable mounting is in the bearing frame, and pivot rotation 90, steering track 3 fixed mounting realize circumference rotation along with the pivot in the upper end of pivot. Four steering tracks at four crossing points of the two longitudinal tracks and the two transverse tracks are a set of steering combinations. The rotating shafts of the two steering rails which are transversely arranged in each group are respectively connected with the swing arm 22 through the connecting rod 21; the rotating shafts of the two steering rails longitudinally arranged in each group are respectively connected with a swing arm 22 through a connecting rod 21, and an air cylinder 23 is arranged on one swing arm. The cylinder controls the swing arm and the connecting rod to move, so that the same group of steering rails are controlled to synchronously rotate, and each parking space corresponds to a group of steering combinations.

The traveling vehicle 4 comprises a bottom plate 4-3 and wheels 4-4; the bottom plate 4-3 is provided with a running rack 4-2 which is vertically crossed, and the crossing part of the transverse rack and the longitudinal rack is a transverse and longitudinal crossed bidirectional cross tooth 4-5. The wheels 4-4 are movably mounted on the bottom plate 4-3 by means of connectors. The wheels are grooved wheels and universal wheels, and the racks are meshed with the gears for transmission. As a preferred embodiment, each trolley spans two longitudinal rails and two transverse rails. When the steering track rotates, the two side edges of the wheels are attached to the side surfaces of the steering track and rotate together with the steering track.

Preferably, the wheels are mounted on the base plate by brackets, and the brackets of the wheels can be rotated freely through 360 degrees. Referring to fig. 10, an automatic locking structure is arranged on the vertical shaft of the wheel to prevent the vertical shaft from shaking when the wheel walks.

Preferably, at least one empty parking space is reserved on a rail in the warehouse, so that the position of the traveling vehicle can be conveniently adjusted. The rails are paved in the warehouse, the rails corresponding to the outlets of the warehouse extend out of the warehouse, and targeted transportation of the articles is carried out according to the requirements.

The power transmission system is arranged on the side surface of the track and below the track and comprises a main shaft 5, a secondary shaft 6 and a driven shaft. Each group of longitudinal rails is matched with a main shaft, the main shaft passes through the lower part of the transverse rails, and each group of steering rails corresponds to a group of power transmission systems. The shaft end of the main shaft 5 is connected with a driving motor, the driven shafts are perpendicular to the main shaft, the auxiliary shafts are arranged on two sides of the main shaft, three driven shafts are connected with the main shaft through gear sets, and two ends of one driven shaft are connected with the auxiliary shafts through bevel gears. The end parts of the other two driven shafts and the end parts of the two auxiliary shafts are respectively provided with a traveling gear, and the upper working surface of the traveling gear is higher than the upper working surface of the rail.

The bidirectional cross teeth 4-1 are matched with a walking gear, and the walking gear comprises a forward and backward movement walking gear 10 and a left and right movement walking gear 11. Referring to fig. 11, the tooth portion of the traveling gear has a large chamfer shape, because the transverse gear passes under the transverse rack when the traveling carriage moves longitudinally, the large chamfer structure facilitates the gear to be smoothly meshed into the rack. Each tooth in the bidirectional cross teeth is in a rectangular pyramid structure, so that the gear can be meshed with the traveling vehicle when the traveling vehicle moves horizontally left and right and moves forwards and backwards. When the travelling vehicle is positioned in the middle of the longitudinal and transverse tracks, the four wheels are positioned in the middle of the steering tracks, and automatic positioning is realized through the positioning grooves in the middle of the steering tracks. Four front and back moving traveling gears 10 are meshed with the longitudinal racks, and four left and right moving traveling gears 11 are meshed with the transverse racks to lock the traveling vehicle, so that a braking effect is achieved. When the travelling car is required to longitudinally move, the forward and backward moving travelling gear 10 rotates to push the rack to move, the left and right moving travelling gear 11 is brought out of the rack, and similarly, when the travelling car is required to transversely move, the left and right moving travelling gear 11 rotates to push the travelling car to move, and the forward and backward moving travelling gear 10 is separated from the longitudinal rack.

The walking wheel is installed on the vehicle bottom plate and can rotate by 360 degrees, and automatic locking structures are respectively arranged at the transverse position and the longitudinal position, so that the wheels are prevented from freely swinging during walking, and the service lives of the wheels and the rails are prolonged. The automatic locking structure comprises a locking sleeve 24, a positioning hole 25 and a positioning ball 26. In the preferred scheme, four positioning holes are uniformly distributed on the circumference of a vertical shaft of a wheel, springs 27 with positioning balls 26 at two ends are correspondingly arranged in a locking sleeve, the vertical shaft rotates in the locking sleeve, after the vertical shaft rotates to the position, the positioning balls correspond to the positioning holes, and the positioning balls enter the positioning holes under the action of spring force to realize positioning; when the vertical shaft rotates again, the positioning ball is separated from the positioning hole, the automatic locking is released, and when the vertical shaft reaches the next position, the positioning ball at the next position enters the positioning hole again to realize limit.

As a preferred embodiment, the power transmission system comprises two auxiliary shafts 6, which are arranged on both sides of the main shaft 5; the two shaft ends of each auxiliary shaft are respectively sleeved with a traveling gear, namely a traveling gear 11 is moved left and right, and the traveling gear 11 is meshed with a traveling rack for transmission; the auxiliary shaft is sleeved with a bevel gear which is used for meshed transmission with a gear on the driven shaft.

In the embodiment, three driven shafts are arranged in parallel along the axial direction perpendicular to the main shaft, and comprise a first driven shaft 7, a second driven shaft 8 and a third driven shaft 9; the bevel gear at the shaft end of the first driven shaft is meshed with the bevel gear on the auxiliary shaft; the shaft ends of the second driven shaft and the third driven shaft are respectively sleeved with a traveling gear meshed with the traveling rack, and the traveling gears are the traveling gears 11 which move forwards and backwards.

In this embodiment, each driven shaft is provided with a reversing mechanism, and the reversing mechanism includes a housing 20, and the driven shaft penetrates through the housing 20. The reversing gear 12, the reversing deflector rod combination and the main shaft output bevel gear 18 are arranged in the shell. The two reversing gears 12 are symmetrically sleeved on the driven shaft. The shifting forks 17 in the reversing shift lever combination are respectively inserted on the reversing gears 12, and play a role in horizontally shifting the reversing gears. The spindle output bevel gear 18 is disposed below and in meshed communication with the two reversing gears 12, and requires which direction to drive the reversing gear controlling that direction toward and into engagement with the spindle output bevel gear. The main shaft output bevel gear 18 is rotationally connected with the base through a rotating shaft, a worm wheel 19 is sleeved on the rotating shaft, the worm wheel 19 and the main shaft 5 form a worm wheel and worm structure, and the worm wheel and worm structure and the main shaft 5 are meshed for transmission. The reversing gear and the main shaft output bevel gear form a gear set, so that the driven shaft and the main shaft are connected for transmission. The reversing deflector rod combination comprises a shifting fork 17, a deflector rod 14, a compression spring 15 and an air cylinder 16, wherein the air cylinder 16 is connected with the deflector rod 14, the deflector rod penetrates through a shell 20, the shifting fork 17 is arranged vertically downwards relative to the deflector rod 14, and the deflector rod outside the shell is sleeved with the compression spring 15; the shifting fork 17 is inserted into the reversing gear 12, and an electromagnetic valve on the air cylinder is connected with the controller to realize synchronous reversing. The reversing gear comprises a gear body and a reversing seat, the reversing seat is arranged on the side face of the gear body and is of an integrated structure with the gear body, a slot is formed in the circumferential direction between the side face of the reversing seat and the gear body, and a shifting fork 17 is suspended in the slot. The shifting lever is horizontally shifted, and the shifting fork props against the reversing gear to realize horizontal movement.

As a preferred embodiment, the controller is installed in the control room, and sends signals to the revolving cylinder relay of the steering track, the driving motor of the main shaft and the reversing mechanism respectively according to the expected route, and the rotation angle of the steering track is 90 degrees, so that the steering of the traveling vehicle is realized; the driving motor of the main shaft drives the main shaft to rotate, so that the advancing track change, the retreating track change and the left-right movement track change are realized.

The whole working principle of the system is as follows:

the main shaft rotates through the driving mechanism, and the main shaft drives the main shaft output bevel gear to rotate through the worm wheel, and the main shaft output bevel gear drives the reversing gear to rotate, so that the driven wheel is rotated; the first driven wheel rotates, the auxiliary shaft is driven to rotate through the bevel gear, and the auxiliary shaft is meshed and transmitted with a traveling rack on the traveling vehicle through a traveling gear at the shaft end; the second driven shaft and the third driven shaft are meshed with a traveling rack on the traveling vehicle through traveling gears for transmission; the movement of the travelling car is realized. In the system, a driving piece, a sensor and the like in a power transmission system for realizing the walking of the walking vehicle are connected with a computer, so that remote control is realized, and the principle of the movement of the trolley is as follows:

firstly, numbering the parking spaces in a warehouse, and inputting the number into a computer access system;

secondly, numbering the carts on the parking space and inputting the carts into the access system;

if the number of the parking spaces is N, the number of the trolleys is at most (N-1), namely, at least one empty parking space exists in the warehouse;

thirdly, if the goods are required to be stored in the warehouse, firstly calculating the shortest path of the empty vehicle through the system, driving the traveling system to drive the trolley to go out of the warehouse through the main motor, loading the goods and returning to the warehouse;

fourth, if the goods are to be taken out, the number of the trolley and the number of the parking space for loading the goods are needed to be found first and input into a taking-out program, and then the shortest path is calculated by a computer to take out the goods.

Claims

1. An intelligent warehouse transmission system comprises a power transmission system, a rail and a traveling vehicle; the method is characterized in that:

the power transmission system comprises a main shaft, a secondary shaft and a driven shaft; the main shaft is connected with the driving motor, the driven shafts are perpendicular to the main shaft, the auxiliary shafts are arranged on two sides of the main shaft, the driven shafts are connected with the main shaft through gear sets, two ends of one driven shaft are connected with the auxiliary shafts through gears, and two ends of the other driven shafts and the auxiliary shafts are meshed with the driving racks through walking gears respectively for transmission.

2. The intelligent warehouse transfer system as claimed in claim 1, wherein: the steering rails are movably arranged at the joint position of the longitudinal rails and the transverse rails through rotating shafts, four steering rails are in a group, and the rotating shafts of the two steering rails which are transversely arranged in parallel in each group are respectively connected with the swing arms through connecting rods; the rotating shafts of the two steering rails longitudinally arranged in each group are respectively connected with the swing arm through a connecting rod, and one connecting rod is provided with an air cylinder; the cylinder controls the swing arm and the connecting rod to move, so that a group of steering tracks are controlled to synchronously rotate.

3. The intelligent warehouse transfer system as claimed in claim 1, wherein: the two-way crossed teeth comprise transverse teeth and longitudinal teeth, and each tooth is of a rectangular pyramid structure.

4. The intelligent warehouse transfer system as claimed in claim 1, wherein: the power transmission system comprises two auxiliary shafts which are respectively arranged at two sides of the main shaft; the two shaft ends of each auxiliary shaft are respectively sleeved with a traveling gear, and the traveling gears are meshed with the traveling racks for transmission; the auxiliary shaft is sleeved with a bevel gear.

5. The intelligent warehouse transfer system as claimed in claim 4, wherein: a plurality of driven shafts are axially arranged in parallel along the main shaft; wherein the bevel gear at the shaft end of one driven shaft is meshed with the bevel gear on the auxiliary shaft; the shaft ends of the other driven shafts are sleeved with traveling gears meshed with the traveling racks.

6. The intelligent warehouse transfer system as claimed in claim 5, wherein: each driven shaft is provided with a reversing mechanism, the reversing mechanism comprises a shell, and the driven shafts penetrate through the shell; a reversing gear, a reversing deflector rod combination and a main shaft output bevel gear are arranged in the shell; the two reversing gears are symmetrically sleeved on the driven shaft, and shifting forks in the reversing shift lever combination are respectively inserted on the reversing gears; the main shaft output bevel gear is arranged below the two reversing gears and is rotationally connected with the base through a rotating shaft, a worm wheel is sleeved on the rotating shaft, and the worm wheel is meshed with the main shaft for transmission.

7. The intelligent warehouse transfer system as claimed in claim 6, wherein: the reversing deflector rod assembly comprises a shifting fork, a deflector rod, a compression spring and an air cylinder, wherein the air cylinder is connected with the deflector rod, the deflector rod penetrates through the shell, the shifting fork is arranged vertically downwards, and the deflector rod outside the shell is sleeved with the compression spring; the shifting fork is inserted into the reversing gear, and the electromagnetic valve on the air cylinder is connected with the controller to realize synchronous reversing.

8. An intelligent warehouse transfer system as claimed in any one of claims 1-7, wherein: each traveling vehicle spans two longitudinal rails and two transverse rails, and four wheels on the bottom plate correspond to four steering rails respectively.

9. An intelligent warehouse transfer system as claimed in any one of claims 1-7, wherein: the main shaft rotates through the driving mechanism, the main shaft drives the main shaft output bevel gear to rotate through the worm wheel, and the main shaft output bevel gear drives the reversing gear to rotate, so that the driven shaft rotates;

the driven shaft rotates, the auxiliary shaft is driven to rotate through the bevel gear, and the auxiliary shaft is meshed and transmitted with a traveling rack on the traveling vehicle through a traveling gear at the shaft end; the other driven shafts are meshed with a traveling rack on the traveling vehicle through traveling gears for transmission; the movement of the travelling car is realized.