A layer-changing hoisting system for warehouse logistics

Abstract

The application discloses a layer-changing lifting system for warehouse logistics, which comprises a transportation module and a layer-changing lifting module. The transportation module comprises a vehicle frame, and the vehicle frame is provided with a load-carrying transportation wheel. The upper side of the load-carrying transportation wheel is exposed to the upper surface of the vehicle frame for carrying and transporting goods. The layer-changing lifting module comprises a rack and a lifting mechanism. The rack is provided with horizontally arranged cross beams. Adjacent two cross beams define a rack layer opening. The top of the rack is provided with a first bracket, and the first bracket is provided with the lifting mechanism. The inside of the rack is provided with a second bracket. The second bracket is provided with vertical guide rails around the second bracket. The second bracket is provided with guide wheel assemblies at four corners. The second bracket is provided with a goods transportation assembly. The load-carrying transportation wheel and the goods transportation assembly are stably connected, so that the goods do not deviate during the process of entering the rack. The whole process does not need manual carrying, and the transportation efficiency of the goods is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of warehouse equipment, in particular to a layer changing lifting system for warehouse logistics. BACKGROUND

[0002] At present, in the mainstream of the current stereoscopic warehouse, more manufacturers tend to adopt the dense layer storage mode of goods. In order to reduce the logistics cost without increasing the occupied space under the condition of compact space of the stereoscopic warehouse itself, the mainstream way is to place one or more load or load vehicle load layer changing vertical lifting machines at the end of the goods shelf in the stereoscopic warehouse. The main function is to realize the layer changing of the shuttle vehicle between the stereoscopic shelf layers, so as to improve the space utilization without increasing the number of shuttle vehicles.

[0003] This space stereoscopic warehouse mode has high integration of goods and dense storage. The storage and taking out of goods must rely on the shuttle vehicle that can shuttle in the shelf. The shuttle vehicle, as a carrier of goods, has the functions of taking goods and moving. In actual use, the space movement of goods matched with the carrier needs to be moved horizontally, which can be realized by the carrier. The current way of high and low movement has two kinds, namely, the stacker and the lifting machine.

[0004] The stacker is a large movable equipment that can realize the function of simultaneous layer changing of goods and carriers, and has relatively low requirements for the shelf interface. However, the stacker is huge in size, occupies a large area, and has low efficiency. The lifting machine is a kind of equipment with a relatively fixed bottom frame and shelf, which can also realize the function of layer changing of goods and carriers. However, the lifting machine generally realizes the upward and downward displacement of goods through belt conveying. When the quality of the goods is too large, the bracket carrying the goods will be inclined and deviated, resulting in abnormal taking out of the goods. In addition, in the actual use process, when the lifting machine is connected with the shuttle vehicle to deliver goods, the heavy goods will cause the conveying line in the lifting machine to slip, which is easy to cause the goods to be not conveyed to the position, and finally deviate. SUMMARY

[0005] In order to overcome the defects of the prior art, the purpose of the present application is to provide a layer changing lifting system for warehouse logistics.

[0006] The purpose of the present application is realized by adopting the following technical scheme:

[0007] According to the embodiment of the present application, a layer changing lifting system for warehouse logistics is provided, which comprises:

[0008] The transport module comprises a vehicle frame, a first motor and a second motor are installed in the vehicle frame; an output end of the first motor is connected with a first transmission shaft through a first speed reducer, both ends of the first transmission shaft are provided with vehicle frame traveling wheels; an output end of the second motor is connected with a second speed reducer, an output gear of the second speed reducer is coaxially connected with a load transport wheel, an upper side of the load transport wheel is exposed to an upper surface of the vehicle frame for carrying and transporting goods;

[0009] The layer-changing lifting module comprises a rack and a lifting mechanism; the rack is provided with horizontally arranged cross beams arranged in layers, and a shelf layer opening is formed between two adjacent cross beams; a first bracket is arranged on the top of the rack, and the lifting mechanism is installed on the first bracket; a second bracket is arranged inside the rack, vertical guide rails are installed on the periphery of the second bracket, guide wheel assemblies matched with the guide rails are installed on the four corners of the second bracket, and a goods transport assembly is installed on the second bracket;

[0010] The goods transport assembly is used to dock the goods transported by the load transport wheel, the lifting mechanism is used to drive the second bracket to move to a designated shelf layer opening inside the rack, and then the goods transport assembly transports the goods out of the rack through the shelf layer opening.

[0011] As a preferred scheme, the second speed reducer is symmetrically arranged in two inside the vehicle frame, and the two second speed reducers are connected through a first synchronous shaft.

[0012] As a preferred scheme, the second speed reducer comprises a box body, and input gears, transmission gears and output gears are arranged inside the box body and mesh with each other;

[0013] The input gears are connected with the output end of the second motor.

[0014] A group of transmission gears in the two second speed reducers are connected through the first synchronous shaft.

[0015] The tooth diameter of the output gears is greater than that of the input gears.

[0016] As a preferred scheme, the lifting mechanism comprises a lifting motor, an output shaft of the lifting motor is in transmission connection with a lifting guide wheel assembly, a lifting belt assembly is arranged on the lifting guide wheel assembly, one end of the lifting belt assembly is connected with a counterweight arranged in the rack, and the other end of the lifting belt assembly is connected with the second bracket.

[0017] As a preferred scheme, the lifting guide wheel assembly comprises a same-side guide wheel, a transition guide wheel and an opposite-side guide wheel, and the lifting belt assembly comprises a first lifting belt and a second lifting belt.

[0018] The same-side guide wheel and the counterweight are arranged on the same side; one end of the first lifting belt is connected with the counterweight, and the other end of the first lifting belt extends downward to the second bracket through the same-side guide wheel.

[0019] The transition sheave and the counterweight are arranged on the same side, and the opposite sheave and the counterweight are arranged on the opposite side; one end of the second lifting belt is connected to the counterweight, and the other end of the second lifting belt extends downward in sequence through the transition sheave and the opposite sheave and is connected to the second bracket;

[0020] The output shaft of the lifting motor is coaxially connected to the same-side sheave and the transition sheave, or the output shaft of the lifting motor is coaxially connected to the opposite sheave.

[0021] As a preferred solution, the sheave assembly includes an upper sheave part, a lower sheave part, and a bracket plate, the bracket plate is fixed on the second bracket, the upper sheave part and the lower sheave part are respectively installed above and below the bracket plate; the upper sheave part and the lower sheave part have the same structure and each include two lateral sheaves and a longitudinal sheave, the lateral sheaves and the longitudinal sheave are rotatably installed on the bracket plate.

[0022] As a preferred solution, the bracket plate is provided with a sheave mounting structure above and below, the sheave mounting structure includes two L-shaped ear plates arranged at intervals, the longitudinal sheave is rotatably installed between the two L-shaped ear plates, and the two lateral sheaves are rotatably installed on the side surface of the corresponding L-shaped ear plate facing the guide rail.

[0023] As a preferred solution, the guide rail includes a vertically arranged base plate and a partition plate, the partition plate is arranged on the side surface of the base plate facing the sheave mounting structure, and the base plate and the partition plate as a whole have a T shape; the wheel surface of the two lateral sheaves abuts against the opposite sides of the partition plate, and the wheel surface of the longitudinal sheave abuts against the side surface of the partition plate facing the sheave mounting structure.

[0024] As a preferred solution, the cargo transportation assembly includes two transportation members installed on the left and right sides of the second bracket and a third motor installed on the bottom of the second bracket, the output end of the third motor is connected to the second synchronous shaft through a speed reduction assembly, and the two ends of the second synchronous shaft are respectively connected to one transportation member in transmission; the transportation member is used to support and dock the cargo transported by the cargo transportation wheel.

[0025] As a preferred solution, the transportation member includes:

[0026] A pulley mounting bracket is arranged on the side of the second bracket;

[0027] A main pulley is rotatably installed on the pulley mounting bracket, and the main pulley is connected to the second synchronous shaft;

[0028] Two sub-pulleys are rotatably installed on the pulley mounting bracket above the main pulley, and the two sub-pulleys are respectively located on the opposite sides of the main pulley;

[0029] Two cargo ships are installed on the front and rear sides of the second bracket, respectively;

[0030] The circular conveyor belt is wound around the main pulley, and the two ends of the circular drive belt are wound around the two cargo ships after passing through two branch pulleys respectively.

[0031] Compared with the prior art, the present invention has the following technical effects:

[0032] 1. This invention transports goods to the vicinity of the shelf-changing lifting module via a transport module. Goods are unloaded from the transport module using transport wheels, and then connected to the rack by a goods transport component. Next, a lifting mechanism moves the goods to the designated shelf level, and finally, the goods transport component moves the goods out of the rack. The smooth docking of the transport wheels and the goods transport component ensures that the goods do not shift during entry into the rack. Furthermore, the entire process eliminates the need for manual handling, thus improving production efficiency.

[0033] 2. The guide wheel assembly consists of an upper guide wheel section, a lower guide wheel section, and a frame plate. Both the upper and lower guide wheel sections have two transverse wheels and one longitudinal wheel that are clamped on three sides and rolled together with the partition plate. This allows the second bracket to move vertically up and down along the guide rail, reducing the possibility of tilting or deviation. Whether connecting goods to the rack or moving goods from inside the rack to outside the rack, it ensures smooth transportation of goods and reduces outbound abnormalities.

[0034] 3. The transport component consists of a main pulley and two auxiliary pulleys, which can adjust the direction of movement of the circular conveyor belt. This allows the circular conveyor belt to achieve transport with a relatively large range of directional changes, thereby increasing the frictional torque between the contact surfaces of the circular conveyor belt and each pulley. This keeps the circular conveyor belt taut and provides greater tension, thus reducing slippage of the two cargo wheels. In addition to ensuring that the two circular conveyor belts can transport goods synchronously, the design of the auxiliary pulleys and cargo wheels keeps the circular drive belt taut at all times, allowing the goods to move more smoothly. Attached Figure Description

[0035] Figure 1 This is an overall schematic diagram of the warehousing and logistics layer-changing lifting module of the present invention;

[0036] Figure 2 for Figure 1 A structural diagram of the first bracket in the middle;

[0037] Figure 3 for Figure 1 A schematic diagram of the lifting mechanism in the diagram;

[0038] Figure 4 for Figure 1 A structural diagram of the second bracket in the middle;

[0039] Figure 5 Figure 1 is a schematic diagram of the transport module of the present application; Figure 4 Figure 2 is a schematic diagram of the guide wheel assembly and guide rail of Figure 1 ;

[0040] Figure 6 Figure 3 is an enlarged view of the guide wheel assembly portion of Figure 2; Figure 5

[0041] Figure 7 Figure 4 is a schematic diagram of the transport member of Figure 1 ; Figure 4

[0042] Figure 8 Figure 5 is an enlarged view of the transport member of Figure 4; Figure 7

[0043] Figure 9 Figure 6 is a schematic diagram of the cargo limiting assembly of Figure 1 ; Figure 4

[0044] Figure 10 Figure 7 is a schematic diagram of the baffle and limiting assembly of Figure 1 ; Figure 7

[0045] Figure 11 Figure 8 is a schematic diagram of the overall transport module of the present application;

[0046] Figure 12 Figure 9 is a schematic diagram of the internal transport module of the present application;

[0047] Figure 10 is a table of the corresponding component names represented by the numbers and letters in the figures;

[0048] 10, transport module; 100, frame;

[0049] 101, first motor; 102, second motor; 103, first reduction box; 104, first transmission shaft; 105, frame walking wheel; 106, second reduction box; 1060, box body; 1061, input gear; 1062, transmission gear; 1063, output gear; 108, cargo transport wheel; 109, first synchronous shaft; 110, steering wheel;

[0050] 20, layer changing lifting module; 201, frame;

[0051] ​​​​​202. Lifting mechanism; 2021. Lifting motor; 2022. Lifting guide wheel assembly; 20221. Same-side guide wheel; 20222. Transition guide wheel; 20223. Opposite-side guide wheel; 203. Crossbeam; 2023. Lifting belt assembly; 20231. First lifting belt; 20232. Second lifting belt; 2024. Counterweight; 204. First bracket; 205. Second bracket; 206. Guide rail; 2061. Base plate; 2062. Partition plate; 207. Guide wheel assembly; 2071. Upper guide wheel section; 2072. Lower guide wheel section; 2073. Frame plate; 2074. Horizontal wheel; 2075. Longitudinal wheel; 2076, L-shaped ear plate; 2080, transport component; 20801, pulley mounting bracket; 20802, main pulley; 20803, branch pulley; 20804, cargo ship; 20805, circular conveyor belt; 2081, third motor; 2082, reduction gear assembly; 2083, second synchronous shaft; 209, cargo limiting assembly; 2091, fourth motor; 2092, connecting shaft; 2093, baffle; 2094, reduction gear; 2095, limiting assembly; 20951, mounting plate; 20952, limiting arm; 20953, tension spring; 20954, extension shaft; 20955, ring. Detailed Implementation

[0052] Example: Figures 1 to 12 As shown, the present invention provides a layer-changing lifting system for warehousing and logistics, comprising:

[0053] The transport module 10 includes a frame 100, in which a first motor 101 and a second motor 102 are installed. The output end of the first motor 101 is connected to a first drive shaft 104 via a first reduction gearbox 103. Both ends of the first drive shaft 104 are equipped with frame wheels 105. The output end of the second motor 102 is connected to a second reduction gearbox 106. The output gear 1063 of the second reduction gearbox 106 is coaxially connected to a cargo transport wheel 108. The upper side of the cargo transport wheel 108 protrudes from the upper surface of the frame 100 for carrying and transporting goods.

[0054] The shelf-changing lifting module 20 includes a frame 201 and a lifting mechanism 202. The frame 201 is provided with layered beams 203, and the gaps between two adjacent beams 203 are defined to form shelf openings. The top of the frame 201 is provided with a first bracket 204, and the lifting mechanism 202 is installed on the first bracket 204. The frame 201 is provided with a second bracket 205 inside, and the second bracket 205 is provided with a vertical guide rail 206. Guide wheel assemblies 207 that cooperate with the guide rail 206 are installed at the four corners of the second bracket 205. Cargo transport components are installed on the second bracket 205.

[0055] The goods transportation assembly is used to dock the goods transported by the goods transportation wheels 108, and the lifting mechanism 202 is used to drive the movement of the second bracket 205 inside the rack 201 to the specified rack layer opening, and then the goods are transported out of the rack 201 by the goods transportation assembly through the rack layer opening.

[0056] In this way, the goods are transported to the layer changing and lifting module by the transportation module, and then the goods are moved to the specified rack layer opening by the layer changing and lifting module.

[0057] In implementation, the vehicle frame 100 is in a rectangular structure, and a mounting groove is formed on the outer side of the vehicle frame 100, and a steering wheel 110 is arranged in the mounting groove in a transverse direction, and the wheel surface of the steering wheel 110 is exposed outside the vehicle frame 100. In this way, when the transportation module 10 encounters an obstacle or needs to turn, the steering wheel 110 can be directly used to realize the turning.

[0058] In the embodiment of the present application, the first reduction box 103 is a common reduction box that can be directly purchased on the market, and only the reduction effect of the first motor 101 needs to be realized, which can be adjusted according to actual conditions.

[0059] Specifically, the second reduction box 106 is symmetrically arranged inside the vehicle frame 100, and two second reduction boxes 106 are connected by a first synchronous shaft 109.

[0060] In this way, it can be ensured that all the goods transportation wheels rotate at the same speed, so that the goods can smoothly enter the layer changing and lifting module from the transportation module.

[0061] Specifically, the second reduction box 106 includes a box body 1060, and the box body 1060 is internally provided with an input gear 1061, a transmission gear 1062 and an output gear 1063 that are engaged with each other.

[0062] The input gear 1061 is connected with the output end of the second motor 102.

[0063] A group of transmission gears 1062 in the two second reduction boxes 106 are connected by the first synchronous shaft 109.

[0064] The tooth diameter of the output gear 1063 is greater than the tooth diameter of the input gear 1061.

[0065] In implementation, the tooth diameter of the input gear can be the same as that of the transmission gear. The input gear, the transmission gear and the output gear are distributed in one straight line in the front-rear direction, and the transmission gear can be designed as multiple according to actual conditions.

[0066] Specifically, the lifting mechanism 202 comprises a lifting motor 2021, an output shaft of the lifting motor 2021 is in transmission connection with a lifting sheave assembly 2022, the lifting sheave assembly 2022 is provided with a lifting belt assembly 2023, one end of the lifting belt assembly 2023 is connected with a counterweight 2024 arranged in the rack 201, and the other end of the lifting belt assembly 2023 is connected with the second bracket 205.

[0067] Specifically, the lifting sheave assembly 2022 comprises a same-side sheave 20221, a transition sheave 20222 and an opposite-side sheave 20223, and the lifting belt assembly 2023 comprises a first lifting belt 20231 and a second lifting belt 20232.

[0068] The same-side sheave 20221 is arranged at the same side of the counterweight 2024, one end of the first lifting belt 20231 is connected with the counterweight 2024, and the other end of the first lifting belt 20231 extends downward to the second bracket 205 through the same-side sheave 20221.

[0069] The transition sheave 20222 is arranged at the same side of the counterweight 2024, the opposite-side sheave 20223 is arranged at the opposite side of the counterweight 2024, one end of the second lifting belt 20232 is connected with the counterweight 2024, and the other end of the second lifting belt 20232 extends downward to the second bracket 205 through the transition sheave 20222 and the opposite-side sheave 20223 in sequence.

[0070] The output shaft of the lifting motor 2021 is coaxially connected with the same-side sheave 20221 and the transition sheave 20222, or the output shaft of the lifting motor 2021 is coaxially connected with the opposite-side sheave 20223.

[0071] In this way, the second bracket can be stably lifted in a balanced state during lifting, and the situation that goods fall due to the inclination of the second bracket can be prevented.

[0072] Specifically, the sheave assembly 207 comprises an upper sheave part 2071, a lower sheave part 2072 and a rack plate 2073, the rack plate 2073 is fixed on the second bracket 205, the upper sheave part 2071 and the lower sheave part 2072 are respectively installed above and below the rack plate 2073, the upper sheave part 2071 and the lower sheave part 2072 have the same structure and each comprise two transverse wheels 2074 and one longitudinal wheel 2075, and the transverse wheels 2074 and the longitudinal wheel 2075 are rotatably installed on the rack plate 2073.

[0073] Specifically, the upper and lower sides of the shelf plate 2073 are provided with a guide wheel mounting structure, which comprises two L-shaped lug plates 2076 arranged at intervals, the longitudinal wheel 2075 is rotatably mounted between the two L-shaped lug plates 2076, and the two lateral wheels 2074 are rotatably mounted on the side surface of the corresponding L-shaped lug plate 2076 on the side of the guide rail 206.

[0074] Specifically, the guide rail 206 comprises a vertically arranged base plate 2061 and a partition plate 2062 arranged on the side surface of the base plate 2061 on the side of the guide wheel mounting structure, and the base plate 2061 and the partition plate 2062 are integrally T-shaped; the wheel surface of the two lateral wheels 2074 abuts against the opposite sides of the partition plate 2062 respectively, and the wheel surface of the longitudinal wheel 2075 abuts against the side surface of the partition plate 2062 on the side of the guide wheel mounting structure.

[0075] In this way, the upper guide wheel part and the lower guide wheel part are respectively arranged to roll up and down and on the guide rail, and the upper guide wheel part and the lower guide wheel part are both connected with the partition plate by the three-sided clamping mode of two lateral wheels and one longitudinal wheel, so that the second bracket can be vertically displaced along the guide rail, the possibility of inclination deviation is reduced, and whether the goods are docked into the rack or moved from the rack to the outside of the rack, the stable transportation of the goods can be ensured, and the abnormal situation of warehouse delivery is reduced.

[0076] Specifically, the goods transportation assembly comprises two transportation members 2080 mounted on the left and right sides of the second bracket 205, and a third motor 2081 mounted on the bottom of the second bracket 205, the output end of the third motor 2081 is connected with a second synchronous shaft 2083 through a speed reduction assembly 2082, and the two ends of the second synchronous shaft 2083 are respectively connected with a transportation member 2080 in transmission; the transportation member 2080 is used to support and dock the goods transported by the load transportation wheel 108.

[0077] In implementation, the speed reduction assembly 2082 can comprise a large speed reduction wheel and a small speed reduction wheel, the surfaces of the large speed reduction wheel and the small speed reduction wheel are connected through a belt, and the small speed reduction wheel is coaxially connected with the output shaft of the third motor, and the large speed reduction wheel is coaxially connected with the second synchronous shaft 2083.

[0078] Specifically, the transportation member 2080 comprises:

[0079] A pulley mounting frame 20801 arranged on the side of the second bracket 205;

[0080] A main pulley 20802 rotatably mounted on the pulley mounting frame 20801, and the main pulley 20802 is connected with the second synchronous shaft 2083;

[0081] Two sub-pulleys 20803 are rotatably installed on the pulley mounting frame 20801 above the main pulley 20802, and the two sub-pulleys 20803 are respectively located on the opposite sides of the main pulley 20802;

[0082] Two cargo wheels 20804 are respectively installed on the front and rear sides of the second bracket 205;

[0083] The annular conveying belt 20805 is arranged around the main pulley 20802, and the two ends of the annular conveying belt 20805 are respectively arranged around the two cargo wheels 20804 through the two sub-pulleys 20803.

[0084] In this way, by arranging one main pulley and two sub-pulleys, the movement direction of the annular conveying belt can be adjusted, so that the annular conveying belt can realize transportation with a larger direction change amplitude, thereby increasing the friction torque between the annular conveying belt and the contact surface of each pulley, enabling the annular conveying belt to be in a taut state and obtain a larger pulling force, thereby reducing the slipping of the two cargo wheels. In addition to being able to ensure that the two annular conveying belts can transport goods synchronously, the design of the sub-pulley and the cargo wheel enables the annular conveying belt to be in a taut state at all times, enabling the goods to move more stably.

[0085] In implementation, the second bracket 205 is provided with a goods limiting assembly 209 outside, and the goods limiting assembly 209 includes a fourth motor 2091, a connecting shaft 2092 and a baffle 2093. The fourth motor 2091 is installed at the bottom of the second bracket 205, and the fourth motor 2091 is connected with the connecting shaft rotatably arranged in the second bracket 205 through a speed reduction assembly 2094, and the two ends of the connecting shaft 2092 are provided with the baffle 2093.

[0086] It should be noted that the structure of the speed reduction assembly 2094 can be the same as that of the speed reduction assembly 2082.

[0087] In this way, when the goods move above the goods conveying assembly, the fourth motor 2091 in the goods limiting assembly 209 drives the connecting shaft 2092 and the baffle 2093 to rotate, so that the baffle 2093 is rotated to a vertical state, and the goods can be limited, so that the goods are not easy to deviate during the lifting of the second bracket 205. When the goods are lifted to a height of a specified shelf layer, the fourth motor 2091 drives the baffle 2093 to rotate until the upper end of the baffle 2093 is lower than the second bracket 205, at which time the next step of goods transfer work can be performed.

[0088] In implementation, a limiting assembly 2095 is arranged at the inner side of each cross beam 203, the limiting assembly 2095 comprises a mounting plate 20951 arranged at the inner side of the cross beam 203, a limiting arm 20952 is rotatably arranged at the side of the mounting plate 20951 away from the cross beam 203; the side of the limiting arm 20952 away from the baffle 2093 is connected with a tension spring 20953, one end of the tension spring 20953 is fixedly connected with the mounting plate 20951; the side of the limiting arm 20952 close to the baffle 2093 is provided with an extension shaft 20954 extending in the front-rear direction, the end of the extension shaft 20954 is provided with a ring 20955, and the extension shaft 20954 between the ring 20955 and the limiting arm 20952 constitutes a limiting space.

[0089] In the embodiment of the present application, the baffle 2093 falls into the limiting space during rotation, the extension shaft 20954 is forced to drive the limiting arm 20952 to rotate, and the limiting arm 20952 is limited by the tension spring 20953, so that the limiting arm 20952 cannot continue to rotate, thereby limiting the rotation of the baffle 2093, and preventing the baffle 2093 from rotating excessively and returning to the vertical state.

[0090] In this way, the existence of the tension spring 20953 gives the limiting arm 20952 a certain degree of rotational freedom, which can reduce wear and prolong the service life compared with fixed installation of the limiting arm 20952. In addition, the ring 20955 and the limiting arm 20952 limit the freedom of the baffle 2093 in the front-rear direction, preventing the baffle 2093 from shaking and deviating from the extension shaft 20954 after long-term use.

[0091] It should be noted that in the embodiment of the present application, the first motor, the second motor, the third motor, the fourth motor and the lifting motor can all adopt a servo motor, which can more accurately control the rotation of the motor.

[0092] The warehouse logistics layer-changing and lifting system of the application is used as follows: firstly, the goods are placed on the frame of the transport module, the first motor is started to drive the frame moving wheels to move the frame to the rack of the layer-changing and lifting module, and the first motor is stopped; secondly, the second motor of the transport module and the third motor of the layer-changing and lifting module are started, and the rotating speeds of the second motor and the third motor are the same, at this time, the third motor controls the second synchronous shaft to rotate through the speed reduction assembly, the second synchronous shaft drives the main pulley to rotate, the main pulley drives the two sub-pulleys and the two goods transport wheels to rotate, so that the annular transport belt can be in a taut state and obtain a larger pulling force, thereby the slipping of the two goods transport wheels can be reduced, the goods are stably transferred to the second bracket, and the second motor and the third motor are stopped; then, the fourth motor is started to rotate the baffle to the vertical state, and the fourth motor is stopped; finally, the lifting motor is started, the upper guide roller part and the lower guide roller part distributed upward and downward are displaced along the guide rail, the upper guide roller part and the lower guide roller part are all distributed in a triangular shape and roll with the guide rail, the second bracket is vertically moved upward to the designated rack layer opening, the lifting motor is stopped, the fourth motor is started to rotate the baffle until the upper end of the baffle is lower than the second bracket, the fourth motor is stopped, and the third motor is started to transport the goods to the outside of the rack.

[0093] The above embodiments only express several embodiments of the application, and the description is more specific and detailed, but it cannot be understood as the limitation of the scope of the patent. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the application, a number of modifications and improvements can be made, which are equivalent modifications and evolutions of the above embodiments according to the essential technology of the application, and these all belong to the scope of the application.

Claims

1. A cross-level lifting system for warehouse logistics, characterized in that The utility model relates to a kind of transport module, including frame, first motor and second motor are installed in frame;The output end of first motor is connected with first transmission shaft by first speed reducer, and both ends of first transmission shaft are equipped with frame walking wheel;The output gear of second speed reducer is coaxially connected with load transport wheel, and the upper side of load transport wheel is exposed on the upper surface of frame to be used for carrying and transporting goods; The utility model relates to a kind of layer-changing lifting module, including frame and lifting mechanism;The frame is provided with layered arrangement crossbeam, and the adjacent two crossbeams between upper and lower are defined to form shelf layer opening;The top of the frame is provided with first bracket, and lifting mechanism is installed on the first bracket;Second bracket is arranged in the frame, and vertical guide rail is installed on the periphery of second bracket;Second bracket is equipped with guide wheel assembly matched with guide rail in four corners, and goods transport assembly is installed on second bracket;The guide wheel assembly includes upper guide wheel part, lower guide wheel part and shelf plate, the shelf plate is fixed on second bracket, and the upper guide wheel part and lower guide wheel part are installed above and below shelf plate respectively;The upper guide wheel part and lower guide wheel part are same in structure, and are equipped with two horizontal wheels and a vertical wheel, which are triangularly distributed and rotatably installed on shelf plate; Wherein, goods transport assembly is used to dock the goods transported by load transport wheel, and lifting mechanism is used to drive second bracket to move to specified shelf layer opening in frame, and then goods transport assembly transports goods from inside frame to outside frame through shelf layer opening; The goods transport assembly includes two transport members installed on the left and right sides of second bracket, and the transport member includes: Pulley mounting bracket, which is arranged on the side of second bracket; Main pulley, which is rotatably installed on pulley mounting bracket and connected with second synchronous shaft; Two sub-pulleys, which are rotatably installed on pulley mounting bracket above main pulley and located on opposite sides of main pulley respectively; Two cargo wheels, which are installed on the front and rear sides of second bracket respectively; Annular transport belt, which is wound around main pulley and two cargo wheels through two sub-pulleys respectively; The lifting mechanism includes lifting motor, output shaft of lifting motor is connected with lifting guide wheel assembly, lifting guide wheel assembly is provided with lifting belt assembly, one end of lifting belt assembly is connected with counterweight arranged in frame, and the other end of lifting belt assembly is connected with second bracket; The lifting guide wheel assembly includes same-side guide wheel, transition guide wheel and opposite-side guide wheel, and the lifting belt assembly includes first lifting belt and second lifting belt; Same-side guide wheel and counterweight are arranged on the same side, one end of first lifting belt is connected with counterweight, and the other end of first lifting belt extends downward through same-side guide wheel and is connected with second bracket; Transition guide wheel and counterweight are arranged on the same side, and opposite-side guide wheel and counterweight are arranged on the opposite side;One end of second lifting belt is connected with counterweight, and the other end of second lifting belt extends downward through transition guide wheel and opposite-side guide wheel and is connected with second bracket. ​ The output shaft of the lifting motor is coaxially connected with the same side guide wheels and the transition guide wheels, or the output shaft of the lifting motor is coaxially connected with the opposite side guide wheels.

2. The cross-bay picking system according to claim 1, wherein, The second reduction boxes are symmetrically arranged inside the frame, and the two second reduction boxes are connected through the first synchronous shaft.

3. The cross-belt conveyor system of claim 2, wherein, The second reduction box comprises a box body, and an input gear, a transmission gear and an output gear are arranged inside the box body and mesh with each other. The input gear is connected with the output end of the second motor. A group of transmission gears in the two second reduction boxes are connected through the first synchronous shaft. The tooth diameter of the output gear is larger than that of the input gear.

4. The cross-belt conveyor system of claim 1, wherein, The upper and lower sides of the frame plate are provided with guide wheel mounting structures, and each guide wheel mounting structure comprises two L-shaped ear plates arranged at intervals.

5. The cross-belt conveyor system of claim 4, wherein, The longitudinal wheel is rotatably mounted between the two L-shaped ear plates, and the two lateral wheels are rotatably mounted on the side surface of the corresponding L-shaped ear plate facing the guide rail.

6. The cross-belt conveyor system of claim 1, wherein, The guide rail comprises a vertically arranged base plate and a partition plate, and the partition plate is arranged on the side surface of the base plate facing the guide wheel mounting structure, and the base plate and the partition plate are in the shape of T as a whole. The wheel surface of the two lateral wheels abuts against the opposite sides of the partition plate, and the wheel surface of the longitudinal wheel abuts against the side surface of the partition plate facing the guide wheel mounting structure. The goods transportation assembly further comprises a third motor mounted on the bottom of the second bracket, the output end of the third motor is connected with the second synchronous shaft through a reduction assembly, and the two ends of the second synchronous shaft are respectively connected with a transportation member in transmission. The transportation member is used to support and dock the goods transported by the load transportation wheels.

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