Light chain type supporting plate jacking storage four-way vehicle

Abstract

The invention relates to the technical field of storage equipment, in particular to a light chain type supporting plate jacking storage four-way vehicle which comprises a bottom plate and a shell, the shell is arranged over the bottom plate, eight walking wheel assemblies are arranged on the front side and the rear side of the top end of the bottom plate in a left-right symmetry mode, and eight walking wheel supports are arranged on the left side and the right side of the top of an inner cavity of the shell in a front-back symmetry mode. Eight walking wheel assemblies are fixedly installed at the bottom ends of the eight walking wheel supports correspondingly, a walking driving mechanism used for driving the sixteen walking wheel assemblies is installed at the top end of the bottom plate, and two reversing driving mechanisms are symmetrically arranged on the front side and the rear side of the middle between the bottom plate and the shell. The reversing driving mechanism is used for controlling the eight walking wheel assemblies on the bottom plate to make contact with the ground or the eight walking wheel assemblies on the shell to make contact with the ground. And a jacking cargo conveying mechanism for jacking cargoes is arranged in the middle of the top end of the bottom plate. The storage four-way vehicle is more flexible and high in space utilization rate.

Description

Technical Field

[0001] This invention relates to the field of warehousing equipment technology, and in particular to a lightweight chain pallet lifting warehousing four-way vehicle. Background Technology

[0002] With the rapid development of intelligent warehousing and logistics automation technologies, automated storage and retrieval systems (AS / RS) have become widely adopted in modern warehousing due to their high space utilization and efficient cargo storage and retrieval capabilities. In AS / RS, the four-way shuttle is the core handling equipment, and its performance directly determines the operational efficiency and flexibility of the warehousing system. Traditional shuttle systems are typically based on unidirectional or bidirectional track designs, and their operating paths are limited by fixed track layouts, allowing only linear reciprocating motion within a single plane or specific layers. Such systems suffer from many technical bottlenecks, such as insufficient path flexibility, limited space utilization, and low collaborative efficiency. Traditional shuttles rely on hoists and reversing mechanisms for track switching to achieve cross-area or cross-layer operations, leading to high system complexity, increased equipment costs, and the risk of malfunctions due to frequent track switching. Fixed track layouts require ample reversing space and buffer zones, making it difficult to further increase storage density. Summary of the Invention

[0003] The purpose of this invention is to provide a lightweight chain pallet lifting storage four-way vehicle to solve the technical problems existing in the background art.

[0004] To achieve the above objectives, the technical solution of the present invention is as follows:

[0005] A lightweight chain pallet lifting storage four-way vehicle includes: a base plate and a shell. The shell is positioned directly above the base plate. Eight wheel assemblies are symmetrically arranged on the front and rear sides of the top of the base plate. Eight wheel brackets are symmetrically arranged on the front and rear sides of the top of the shell cavity. Eight wheel assemblies are fixedly installed at the bottom of each of the eight wheel brackets. A driving mechanism for driving sixteen wheel assemblies is installed at the top of the base plate. Two reversing driving mechanisms are symmetrically arranged on the front and rear sides of the middle section between the base plate and the shell. The reversing driving mechanisms are used to control the eight wheel assemblies on the base plate to contact the ground or the eight wheel assemblies on the shell to contact the ground. A lifting and transporting mechanism for lifting goods is provided at the middle of the top of the base plate.

[0006] Furthermore, the traveling wheel assembly includes: a traveling wheel mounting block, a bearing, a traveling wheel axle, a hub, a traveling wheel, and a chain sprocket. The inner end of the traveling wheel axle is rotatably mounted on the traveling wheel mounting block via the bearing. The outer end of the traveling wheel axle is fixedly mounted on the hub, and the traveling wheel is fixedly mounted on the hub. The inner end of the traveling wheel is coaxially fixedly mounted on the chain sprocket. The traveling wheel mounting block is fixedly mounted on both the top of the base plate and the bottom of the traveling wheel bracket.

[0007] Furthermore, the walking drive mechanism includes: a walking drive motor, a reducer, a first transmission gear, a first bevel gear, a first support, a second support, a bearing housing, a first transmission shaft, a second transmission shaft, a second transmission gear, a second bevel gear, a bushing, and a second chain toothed disc. Two of each of the walking drive motor, reducer, first transmission gear, first bevel gear, first transmission shaft, second transmission shaft, second transmission gear, and second bevel gear are centrally symmetrically arranged. Four of each of the first and second supports are provided. Eight of each of the bearing housing, bushing, and second chain toothed disc are provided. The walking drive motor and reducer are both fixedly mounted on the top of the base plate. The output shaft of the walking drive motor is drively connected to the input shaft of the reducer. The first transmission gear and the first bevel gear are coaxially fixedly mounted on the output shaft of the reducer. Four first supports are symmetrically fixedly mounted on the front and rear sides of the left and right ends of the top of the base plate. Four second supports are symmetrically fixedly mounted on the left and right sides of the front and rear ends of the top of the base plate. Two first transmission shafts are respectively... Two drive shafts are rotatably mounted on the top of four supports 2 via four bearing seats, and are arranged horizontally parallel to each other. Two drive shafts 2 are rotatably mounted on the top of four supports 1 via four bearing seats, and are arranged front-to-back parallel to each other. The drive shaft 1 is located above the drive shaft 2 and the two do not contact each other. A drive gear 2 is coaxially fixedly mounted on the drive shaft 1, and the drive gear 2 meshes with its corresponding drive gear 1. A bevel gear 2 is coaxially fixedly mounted on the drive shaft 2, and the bevel gear 2 meshes with its corresponding bevel gear 1. Bushings are coaxially fixedly mounted at both ends of the drive shaft 1 and both ends of the drive shaft 2, and chain toothed discs 2 are coaxially fixedly mounted on the bushings. The chain toothed disc 2 at one end of the drive shaft 1 is connected to two chain toothed discs 1 on the same side and adjacent to it on the base plate via a chain. The chain toothed disc 2 at one end of the drive shaft 2 is connected to two chain toothed discs 1 on the same side and adjacent to it on the housing via a chain.

[0008] Furthermore, the bearing housing includes: a fixing screw, a mounting base, and a second bearing. The first drive shaft passes through the second bearing and is rotatably mounted on the mounting base, which is fixedly mounted on the top of the second support by a number of fixing screws. The second drive shaft passes through the second bearing and is rotatably mounted on the mounting base, which is fixedly mounted on the top of the first support by a number of fixing screws.

[0009] Furthermore, the reversing drive mechanism includes: an internal threaded flange, a screw, a coupling, and a reversing lifting motor. The internal threaded flange is fixedly installed on the top of the inner cavity of the housing. The upper end of the screw is threadedly connected to the internal threaded flange. The lower end of the screw is connected to the output shaft of the reversing lifting motor through the coupling. The fixed end of the reversing lifting motor is fixedly installed on the top of the base plate.

[0010] Furthermore, the lifting and transporting mechanism includes a passive lifting component and an active lifting component. The active lifting component is used to drive the passive lifting component to move vertically up and down, and the top of the passive lifting component is in direct contact with the cargo.

[0011] Furthermore, the passive lifting assembly includes: a support plate, positioning slides, positioning sleeves, lifting rods, lifting shaft heads, and lifting columns. Two strip-shaped holes are symmetrically opened on the left and right sides of the top of the housing. Two support plates are symmetrically arranged on the left and right sides, each facing one of the two strip-shaped holes, and each support plate can vertically move through the two strip-shaped holes. Two positioning slides are symmetrically fixedly installed on the front and rear sides of the bottom of the support plate. The lower part of each positioning slide is vertically slidably fitted into the positioning sleeve. The bottom end of the positioning sleeve is fixedly installed on the top of the base plate. Two lifting columns are symmetrically fixedly installed on the bottom of the support plate between the two positioning slides. The bottom ends of the two lifting columns on the same front and rear sides of the bottom of the two support plates are respectively fixedly connected to the left and right sides of the top of the lifting rod. The left and right ends of the lifting rod are rotatably connected to two lifting shaft heads.

[0012] Furthermore, the passive lifting assembly also includes: two fixing rods, which are fixedly connected to the left and right sides of the two lifting rods respectively.

[0013] Furthermore, the active lifting assembly includes: a guide rail, a lifting plate, rollers, a connecting plate, a rack, a drive gear, a lifting motor, and a motor support. Two guide rails and two lifting plates are symmetrically arranged on both sides. Several rollers are evenly distributed at the bottom of the lifting plate, and the lifting plate is tumblingly connected to the guide rail via these rollers. Two lifting grooves are parallel to each other on the front and rear sides of the lifting plate's sidewall. Each lifting groove includes a lower horizontal section, a ramp section, and an upper horizontal section. The ramp section slopes upwards from front to back. The rear part of the lower horizontal section and the lower part of the ramp section form an arc. The transition is achieved by an arc transition between the front of the upper horizontal section and the upper part of the slope section; the four lifting shafts at both ends of the two lifting rods are respectively rolled and connected to the four lifting grooves on the two lifting plates; the top ends of the two lifting plates are respectively fixedly connected to the left and right ends of the connecting plates; a rack is fixedly connected to the middle of the bottom end of the connecting plate; the length direction of the rack is parallel to the length direction of the guide rail; the rack meshes with a drive gear; the drive gear is fixedly installed on the output shaft of the lifting motor; the lifting motor is fixedly installed on a motor support; and the motor support is fixedly installed on the top of the base plate.

[0014] Furthermore, it also includes: side baffles, corner baffles and support plates. Two sets of side baffles are symmetrically arranged on the front and rear sides of the top of the bottom plate, and four corner baffles are symmetrically arranged at the four corners of the bottom plate. Two support plates are symmetrically arranged in the middle of the left and right sides of the inner cavity of the shell, and the support plates are fixedly connected to the two corresponding walking wheel brackets.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. This invention uses a walking drive mechanism to drive eight walking wheel assemblies on the base plate and eight walking wheel assemblies on the shell respectively, and works in conjunction with a reversing drive mechanism to control the eight walking wheel assemblies on the base plate to contact the ground or the eight walking wheel assemblies on the shell to contact the ground, thereby realizing the left-right and forward-backward displacement of the warehouse four-way vehicle; compared with traditional shuttle vehicles, it is more flexible in movement and has a higher space utilization rate.

[0017] 2. The lifting and transporting mechanism in this invention drives the rack and connecting plate to move back and forth via a drive gear, which in turn drives the two lifting plates to move back and forth on the two guide rails. The four lifting shafts roll relative to the four lifting grooves on the two lifting plates, generating vertical displacement. This, in turn, drives the two pallets to rise and fall via the lifting rods and lifting columns, thus lifting or lowering the pallets over the goods. Since the lifting grooves consist of a lower horizontal section, a ramp section, and an upper horizontal section, the entire passive lifting assembly maintains its current state and has good stability when the lifting shafts are at the end of the lower horizontal section or the end of the upper horizontal section. Attached Figure Description

[0018] Figure 1 This is a bottom view of the present invention;

[0019] Figure 2 This is a schematic diagram of the external structure of the present invention;

[0020] Figure 3 This is a schematic diagram of the internal structure of the present invention;

[0021] Figure 4 This is the present invention. Figure 3 A magnified view of a portion of point A in the middle;

[0022] Figure 5 This is a schematic diagram of the walking wheel assembly in this invention;

[0023] Figure 6 This is a schematic diagram of the internal structure of the shell in this invention;

[0024] Figure 7 This is the present invention. Figure 6 A magnified view of a portion of point B in the middle;

[0025] Figure 8 This is a schematic diagram of the lifting and transporting mechanism in this invention;

[0026] Figure 9 This is a schematic diagram of the passive lifting component in this invention;

[0027] Figure 10 This is a schematic diagram of the active lifting component in this invention.

[0028] The labels in the attached diagram are as follows: 1-Base plate, 2-House, 201-Strip hole, 3-Walking wheel bracket, 4-Walking wheel mounting block, 5-Bearing one, 6-Walking wheel axle, 7-Wheel hub, 8-Walking wheel, 9-Chain gear disc one, 10-Internal threaded flange, 11-Screw, 12-Coupling, 13-Reversing lifting motor, 14-Walking drive motor, 15-Reducer, 16-Transmission gear one, 17-Bevel gear one, 18-Support one, 19-Support two, 20-Fixing screw, 21-Bearing seat, 22-Bearing two, 23-Transmission... Shaft 1, 24-Transmission Shaft 2, 25-Transmission Gear 2, 26-Bevel Gear 2, 27-Shaft Sleeve, 28-Chain Gear Disc 2, 29-Support Plate, 30-Positioning Slide Column, 31-Positioning Sleeve, 32-Guide Rail, 33-Lifting Plate, 3301-Lifting Slide Groove, 34-Sliding Wheel, 35-Connecting Plate, 36-Rack, 37-Drive Gear, 38-Lifting Motor, 39-Motor Support, 40-Lifting Rod, 41-Lifting Shaft Head, 42-Lifting Column, 43-Fixing Rod, 44-Side Baffle, 45-Corner Baffle, 46-Support Plate. Detailed Implementation

[0029] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0030] See Figures 1-10 As shown, a lightweight chain pallet lifting storage four-way vehicle includes: a base plate 1 and a housing 2. The housing 2 is located directly above the base plate 1. Eight traveling wheel assemblies are symmetrically arranged on the front and rear sides of the top of the base plate 1. Eight traveling wheel brackets 3 are symmetrically arranged on the front and rear sides of the top of the inner cavity of the housing 2. Eight traveling wheel assemblies are fixedly installed at the bottom of the eight traveling wheel brackets 3 respectively. A traveling drive mechanism for driving sixteen traveling wheel assemblies is installed at the top of the base plate 1. Two reversing drive mechanisms are symmetrically arranged on the front and rear sides of the middle between the base plate 1 and the housing 2. The reversing drive mechanisms are used to control the eight traveling wheel assemblies on the base plate 1 to contact the ground or the eight traveling wheel assemblies on the housing 2 to contact the ground. A lifting and transporting mechanism for lifting goods is provided at the middle of the top of the base plate 1.

[0031] The traveling wheel assembly includes: a traveling wheel mounting block 4, a bearing 5, a traveling wheel axle 6, a hub 7, a traveling wheel 8, and a chain sprocket 9. The inner end of the traveling wheel axle 6 is rotatably mounted on the traveling wheel mounting block 4 via the bearing 5. The outer end of the traveling wheel axle 6 is fixedly mounted on the hub 7, and the traveling wheel 8 is fixedly mounted on the hub 7. The inner end of the traveling wheel 8 is coaxially fixedly mounted on the chain sprocket 9. The traveling wheel mounting block 4 is fixedly mounted on the top of the base plate 1 and the bottom of the traveling wheel bracket 3.

[0032] The walking drive mechanism includes: a walking drive motor 14, a reducer 15, a first transmission gear 16, a first bevel gear 17, a first support 18, a second support 19, a bearing housing, a first transmission shaft 23, a second transmission shaft 24, a second transmission gear 25, a second bevel gear 26, a bushing 27, and a second chain toothed disc 28. The walking drive motor 14, reducer 15, first transmission gear 16, first bevel gear 17, first transmission shaft 23, second transmission shaft 24, second transmission gear 25, and second bevel gear 26 are each arranged in two symmetrical configurations. The first support 18 and the second support 19 are each arranged in four configurations. The bearing housing, bushing 27, and second chain toothed disc 28 are all provided with... There are eight drive motors 14 and reducers 15, both fixedly mounted on the top of the base plate 1. The output shaft of the drive motor 14 is connected to the input shaft of the reducer 15. A transmission gear 16 and a bevel gear 17 are coaxially fixedly mounted on the output shaft of the reducer 15. The reducer 15 is used to reduce speed and increase torque. Four supports 18 are symmetrically fixedly mounted on the front and rear sides of the top of the base plate 1, and four supports 19 are symmetrically fixedly mounted on the left and right sides of the top of the base plate 1. Two drive shafts 23 are rotatably mounted on the top of the four supports 19 via four bearing seats. Drive shaft 1 23 is arranged parallel to each other horizontally; two drive shafts 24 are rotatably mounted on the top of four supports 18 via four bearing seats, and the two drive shafts 24 are arranged parallel to each other front and back; drive shaft 1 23 is located above drive shaft 24 and the two do not contact each other; a drive gear 25 is coaxially fixedly mounted on drive shaft 1 23, and drive gear 25 meshes with its corresponding drive gear 1 16; a bevel gear 26 is coaxially fixedly mounted on drive shaft 24, and bevel gear 26 meshes with its corresponding bevel gear 1 17; bushings are coaxially fixedly mounted at both ends of drive shaft 1 23 and at both ends of drive shaft 24. 27. A chain toothed disc 28 is coaxially fixedly mounted on the bushing 27; the bushing 27 can reduce the wear between the drive shaft and the chain toothed disc 28; wherein, the chain toothed disc 28 at one end of the drive shaft 23 is connected to two chain toothed discs 9 on the same side and adjacent to it on the base plate 1 through a chain; the chain toothed disc 28 at one end of the drive shaft 24 is connected to two chain toothed discs 9 on the same side and adjacent to it on the housing 2 through a chain; the travel drive motor 14 is a servo motor; through the synchronous operation of the two travel drive motors 14, the eight travel wheels 8 on the base plate 1 and the eight travel wheels 8 on the housing 2 can be driven to roll.

[0033] The bearing housing includes: a fixing screw 20, a mounting base 21, and a second bearing 22. The first drive shaft 23 passes through the second bearing 22 and is rotatably mounted on the mounting base 21. The mounting base 21 is fixedly mounted on the top of the second support 19 by several fixing screws 20. The second drive shaft 24 passes through the second bearing 22 and is rotatably mounted on the mounting base 21. The mounting base 21 is fixedly mounted on the top of the first support 18 by several fixing screws 20. The bearing housing can improve the transmission stability of the first drive shaft 23 and the second drive shaft 24.

[0034] The reversing drive mechanism includes: an internal threaded flange 10, a screw 11, a coupling 12, and a reversing lifting motor 13. The internal threaded flange 10 is fixedly installed on the top of the inner cavity of the housing 2. The upper end of the screw 11 is threadedly connected to the internal threaded flange 10, and the lower end of the screw 11 is connected to the output shaft of the reversing lifting motor 13 through the coupling 12. The fixed end of the reversing lifting motor 13 is fixedly installed on the top of the base plate 1. The reversing lifting motor 13 is a servo motor. The rotation of the output shaft of the reversing lifting motor 13 drives the screw 11 to rotate through the coupling 12, and finally drives the housing 2 to rise and fall vertically through the internal threaded flange 10, thereby controlling the contact between the eight traveling wheel assemblies on the base plate 1 and the ground or the housing 2. The eight wheels on the base plate 1 are in contact with the ground, enabling the four-way vehicle to switch between left-right and forward-backward displacement. It should be noted that when the reversing drive mechanism drives the housing 2 to rise to the upper limit position, the eight wheels on the base plate 1 are in contact with the ground, and the eight wheels on the housing 2 are spinning freely. At this time, the chain connected to the eight wheels on the housing 2 is in a slack state, but transmission can still be performed. When the reversing drive mechanism drives the housing 2 to descend to the lower limit position, the eight wheels on the housing 2 are in contact with the ground. At this time, the chain connected to the eight wheels on the housing 2 is in a taut state, and the eight wheels on the base plate 1 are spinning freely.

[0035] The lifting and transport mechanism includes a passive lifting component and an active lifting component. The active lifting component drives the passive lifting component to move vertically up and down, and the top of the passive lifting component is in direct contact with the cargo.

[0036] The passive lifting assembly includes: a support plate 29, positioning slide pins 30, positioning sleeves 31, lifting rods 40, lifting shaft heads 41, lifting columns 42, and fixing rods 43. Two strip holes 201 are symmetrically opened on the left and right sides of the top of the housing 2. Two support plates 29 are symmetrically arranged on the left and right sides, each facing one of the two strip holes 201. Each support plate 29 can vertically move through the two strip holes 201. Two positioning slide pins 30 are symmetrically fixedly installed on the front and rear sides of the bottom of the support plate 29. The lower part of the positioning slide pins 30 is vertically slidably sleeved on the positioning sleeves 31. Inside, the bottom end of the positioning sleeve 31 is fixedly installed on the top of the base plate 1. The bottom end of the support plate 29 is symmetrically fixedly installed with two lifting columns 42 between the two positioning sliding columns 30. The bottom ends of the two lifting columns 42 on the same side at the bottom of the two support plates 29 are respectively fixedly connected to the top left and right sides of the lifting rod 40. The left and right ends of the lifting rod 40 are respectively rotatably connected to two lifting shaft heads 41. Two fixing rods 43 are provided, and the two fixing rods 43 are respectively fixedly connected to the left and right sides of the two lifting rods 40. The fixing rods 43 can improve the stability of the lifting rods 40.

[0037] The active lifting assembly includes: a guide rail 32, a lifting plate 33, rollers 34, a connecting plate 35, a rack 36, a drive gear 37, a lifting motor 38, and a motor support 39. Two guide rails 32 and two lifting plates 33 are symmetrically arranged on the left and right sides. Several rollers 34 are evenly arranged at the bottom end of the lifting plate 33, and the lifting plate 33 is rotatably connected to the guide rail 32 via these rollers 34. Two lifting grooves 3301 are arranged parallel to each other on the front and rear sides of the sidewall of the lifting plate 33. Each lifting groove 3301 includes a lower horizontal section, a ramp section, and an upper horizontal section. The ramp section slopes upwards from front to back. The rear of the lower horizontal section transitions to the lower part of the ramp section with a rounded arc. The upper horizontal section… The front part and the upper part of the ramp section are rounded and transitioned; the four lifting shaft heads 41 at both ends of the two lifting rods 40 are respectively rolled and connected to the four lifting grooves 3301 on the two lifting plates 33. The top ends of the two lifting plates 33 are respectively fixedly connected to the left and right ends of the connecting plate 35. The bottom middle of the connecting plate 35 is fixedly connected to the rack 36. The length direction of the rack is parallel to the length direction of the guide rail 32. The rack 36 meshes with the drive gear 37. The drive gear 37 is fixedly installed on the output shaft of the lifting motor 38. The lifting motor 38 is a servo motor. The lifting motor 38 is fixedly installed on the motor support 39. The motor support 39 is fixedly installed on the top of the base plate 1.

[0038] The lifting motor 38 drives the drive gear 37 to rotate, which in turn drives the rack 36 and the connecting plate 35 to move back and forth, and drives the two lifting plates 33 to move back and forth on the two guide rails 32. The four lifting shaft heads 41 roll relative to the four lifting grooves 3301 on the two lifting plates 33 and generate vertical displacement, thereby driving the two pallets 29 to rise and fall through the lifting rod 40 and the lifting column 42, realizing the lifting or lowering of the goods by the pallets 29. Since the lifting groove 3301 is composed of a lower horizontal section, a ramp section and an upper horizontal section, when the lifting shaft head 41 is at the end of the lower horizontal section or the end of the upper horizontal section, the entire passive lifting assembly maintains the current state and has good stability.

[0039] It also includes: side baffles 44, corner baffles 45 and support plates 46. Two sets of side baffles 44 are symmetrically arranged on the front and rear sides of the top of the bottom plate 1, and four corner baffles 45 are symmetrically arranged at the four corners of the bottom plate 1. Two support plates 46 are symmetrically arranged in the middle of the left and right sides of the inner cavity of the shell 2. The support plates 46 are fixedly connected to the two corresponding walking wheel brackets 3. The side baffles 44, corner baffles 45 and support plates 46 can protect the internal parts of the four-way vehicle and improve the load-bearing capacity of the four-way vehicle.

[0040] Working principle: Two drive motors 14 operate synchronously. These motors, via two reducers 15, drive two transmission gears 16 and two bevel gears 17 to rotate. The transmission gears 16, through two transmission gears 25, drive two drive shafts 23 to rotate. The bevel gears 17, through two bevel gears 26, drive two drive shafts 24 to rotate. The drive shafts 23 drive four chain sprockets 28 in the forward / backward direction, and the drive shafts 24 drive four chain sprockets 28 in the left / right direction. The four chain sprockets 28 in the forward / backward direction drive eight chain sprockets 9 in the forward / backward direction via four chains, thus driving eight wheels 8 in the forward / backward direction. Similarly, the four chain sprockets 28 in the left / right direction drive eight chain sprockets 9 in the left / right direction via four chains, thus driving eight wheels 8 in the left / right direction. When the four-way vehicle moves left or right, the reversing drive... The driving mechanism drives the housing 2 to rise to the upper limit position, and the eight traveling wheel assemblies on the base plate 1 contact the ground. The eight traveling wheel assemblies on the housing 2 rotate freely. At this time, the chain connected to the eight traveling wheel assemblies on the housing 2 is in a slack state, but can still transmit power. When the four-way vehicle moves in the forward and backward direction, the reversing drive mechanism drives the housing 2 to fall to the lower limit position, and the eight traveling wheel assemblies on the housing 2 contact the ground. At this time, the chain connected to the eight traveling wheel assemblies on the housing 2 is in a taut state, and the eight traveling wheel assemblies on the base plate 1 rotate freely. When it is necessary to lift the goods, the lifting motor 38 drives the drive gear 37 to rotate, which in turn drives the rack 36 and the connecting plate 35 to move forward, and drives the two lifting plates 33 to move forward on the two guide rails 32. The four lifting shaft heads 41 roll relative to the four lifting grooves 3301 on the two lifting plates 33 and generate vertical upward displacement, thereby driving the two pallets 29 to lift the goods through the lifting rod 40 and the lifting column 42.

[0041] In the description of this invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", "top / bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0042] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Any simple modifications, equivalent substitutions, and improvements made by those skilled in the art to the above embodiments without departing from the scope of the technical solution of the present invention, based on the technical essence of the present invention, shall still fall within the protection scope of the technical solution of the present invention.

Claims

1. A lightweight chain-type pallet lifting storage four-way vehicle, characterized in that, include: The base plate (1) and the housing (2) are arranged on the top of the base plate (1). Eight walking wheel assemblies are symmetrically arranged on the front and back sides of the top of the base plate (1). Eight walking wheel brackets (3) are symmetrically arranged on the front and back sides of the top of the inner cavity of the housing (2). Eight walking wheel assemblies are fixedly installed at the bottom of the eight walking wheel brackets (3). A walking drive mechanism for driving sixteen walking wheel assemblies is installed on the top of the base plate (1). Two reversing drive mechanisms are symmetrically arranged on the front and back sides of the middle between the base plate (1) and the housing (2). The reversing drive mechanisms are used to control the eight walking wheel assemblies on the base plate (1) to contact the ground or the eight walking wheel assemblies on the housing (2) to contact the ground. A lifting and transporting mechanism for lifting goods is provided in the middle of the top of the base plate (1).

2. The light chain pallet lifting storage four-way vehicle according to claim 1, characterized in that: The walking wheel assembly includes: a walking wheel mounting block (4), a bearing (5), a walking wheel axle (6), a hub (7), a walking wheel (8), and a chain toothed disc (9). The inner end of the walking wheel axle (6) is rotatably mounted on the walking wheel mounting block (4) via the bearing (5). The outer end of the walking wheel axle (6) is fixedly mounted on the hub (7). The walking wheel (8) is fixedly mounted on the hub (7). The inner end of the walking wheel (8) is coaxially fixedly mounted on the chain toothed disc (9). The walking wheel mounting block (4) is fixedly mounted on the top of the base plate (1) and the bottom of the walking wheel bracket (3).

3. The light chain pallet lifting storage four-way vehicle according to claim 2, characterized in that: The walking drive mechanism includes: a walking drive motor (14), a reducer (15), a first transmission gear (16), a first bevel gear (17), a first support (18), a second support (19), a bearing seat, a first transmission shaft (23), a second transmission shaft (24), a second transmission gear (25), a second bevel gear (26), a bushing (27), and a second chain toothed disc (28). The walking drive motor (14), reducer (15), first transmission gear (16), first bevel gear (17), first transmission shaft (23), second transmission shaft (24), second transmission gear (25), and second bevel gear (26) are all arranged in two symmetrical configurations. The first support (18)... 8) and support two (19) are each provided with four, the bearing seat, bushing (27) and chain tooth disc two (28) are each provided with eight, the walking drive motor (14) and reducer (15) are both fixedly installed on the top of the base plate (1), the output shaft of the walking drive motor (14) is connected to the input shaft of the reducer (15), and the output shaft of the reducer (15) is coaxially fixedly installed with transmission gear one (16) and bevel gear one (17); the four supports one (18) are symmetrically fixedly installed on the front and rear sides of the left and right ends of the top of the base plate (1), and the four supports two (19) are symmetrically fixedly installed on the left and right ends of the top of the base plate (1). On the right sides, two drive shafts (23) are rotatably mounted on the top of four supports (19) via four bearing seats, and the two drive shafts (23) are arranged parallel to each other from left to right; two drive shafts (24) are rotatably mounted on the top of four supports (18) via four bearing seats, and the two drive shafts (24) are arranged parallel to each other from front to back; the drive shaft (23) is located above the drive shaft (24) and the two do not contact each other; a drive gear (25) is coaxially fixedly mounted on the drive shaft (23), and the drive gear (25) meshes with its corresponding drive gear (16); a bevel gear (24) is coaxially fixedly mounted on the drive shaft (24). (26) The second bevel gear (26) meshes with its corresponding first bevel gear (17); the front and rear ends of the first drive shaft (23) and the left and right ends of the second drive shaft (24) are all coaxially fixedly mounted with bushings (27), and the second chain tooth disk (28) is coaxially fixedly mounted on the bushings (27); wherein, the second chain tooth disk (28) at one end of the first drive shaft (23) is connected to two first chain tooth disks (9) on the same side and adjacent to it on the bottom plate (1) through a chain; the second chain tooth disk (28) at one end of the second drive shaft (24) is connected to two first chain tooth disks (9) on the same side and adjacent to it on the housing (2) through a chain.

4. The light chain pallet lifting storage four-way vehicle according to claim 3, characterized in that: The bearing housing includes: a fixing screw (20), a mounting base (21), and a second bearing (22). The first drive shaft (23) passes through the second bearing (22) and is rotatably mounted on the mounting base (21). The mounting base (21) is fixedly mounted on the top of the second support (19) by a number of fixing screws (20). The second drive shaft (24) passes through the second bearing (22) and is rotatably mounted on the mounting base (21). The mounting base (21) is fixedly mounted on the top of the first support (18) by a number of fixing screws (20).

5. A light chain pallet lifting storage four-way vehicle according to claim 1, characterized in that: The reversing drive mechanism includes: an internal thread flange (10), a screw (11), a coupling (12), and a reversing lifting motor (13). The internal thread flange (10) is fixedly installed on the top of the inner cavity of the housing (2). The upper end of the screw (11) is threadedly connected to the internal thread flange (10). The lower end of the screw (11) is connected to the output shaft of the reversing lifting motor (13) through the coupling (12). The fixed end of the reversing lifting motor (13) is fixedly installed on the top of the base plate (1).

6. The light chain pallet lifting storage four-way vehicle according to claim 1, characterized in that: The lifting and transporting mechanism includes a passive lifting component and an active lifting component. The active lifting component is used to drive the passive lifting component to move vertically up and down, and the top of the passive lifting component is in direct contact with the cargo.

7. A light chain pallet lifting storage four-way vehicle according to claim 6, characterized in that: The passive lifting assembly includes: a support plate (29), a positioning slide (30), a positioning sleeve (31), a lifting rod (40), a lifting shaft head (41), and a lifting column (42). Two strip holes (201) are symmetrically opened on the left and right sides of the top of the housing (2). Two support plates (29) are symmetrically arranged on the left and right sides, with each support plate (29) directly opposite the two strip holes (201). Each support plate (29) can vertically move through the two strip holes (201). Two fixed supports are symmetrically fixed on the front and rear sides of the bottom of the support plate (29). Positioning slide column (30), the lower part of the positioning slide column (30) is vertically slidably sleeved in the positioning sleeve (31), the bottom end of the positioning sleeve (31) is fixedly installed on the top of the base plate (1), the bottom end of the support plate (29) is symmetrically fixedly installed with two lifting columns (42) between the two positioning slide columns (30), the bottom ends of the two lifting columns (42) on the same side at the bottom of the two support plates (29) are respectively fixedly connected to the top left and right sides of the lifting rod (40), and the left and right ends of the lifting rod (40) are respectively rotatably connected to two lifting shaft heads (41).

8. A lightweight chain pallet lifting storage four-way vehicle according to claim 7, characterized in that: The passive lifting assembly further includes: a fixing rod (43), of which two fixing rods (43) are provided, and the two fixing rods (43) are respectively fixedly connected to the left and right sides of the two lifting rods (40).

9. A light chain pallet lifting storage four-way vehicle according to claim 7, characterized in that: The active lifting assembly includes: a guide rail (32), a lifting plate (33), rollers (34), a connecting plate (35), a rack (36), a drive gear (37), a lifting motor (38), and a motor support (39). Two guide rails (32) and two lifting plates (33) are symmetrically arranged on both sides. Several rollers (34) are evenly arranged at the bottom end of the lifting plate (33). The lifting plate (33) is tumblingly connected to the guide rail (32) via the rollers (34). Two lifting grooves (3301) are arranged parallel to each other on the front and rear sides of the sidewall of the lifting plate (33). The lifting groove (3301) includes: a lower horizontal section, a ramp section, and an upper horizontal section. The ramp section is inclined upwards from front to back. The rear part of the lower horizontal section and the lower part of the ramp section are circularly connected. Arc transition, the front part of the upper horizontal section and the upper part of the slope section are arc transition; the four lifting shaft heads (41) at both ends of the two lifting rods (40) are respectively rolled and connected to the four lifting grooves (3301) on the two lifting plates (33), the top ends of the two lifting plates (33) are respectively fixedly connected to the left and right ends of the connecting plate (35), the bottom middle of the connecting plate (35) is fixedly connected to the rack (36), the length direction of the rack is parallel to the length direction of the guide rail (32), the rack (36) meshes with the drive gear (37), the drive gear (37) is fixedly installed on the output shaft of the lifting motor (38), the lifting motor (38) is fixedly installed on the motor support (39), and the motor support (39) is fixedly installed on the top of the base plate (1).

10. A lightweight chain pallet lifting storage four-way vehicle according to claim 1, characterized in that: Also includes: Side baffles (44), corner baffles (45) and support plates (46) are provided. Two sets of side baffles (44) are symmetrically arranged on the front and rear sides of the top of the bottom plate (1), and four corner baffles (45) are symmetrically arranged at the four corners of the bottom plate (1). Two support plates (46) are symmetrically arranged in the middle of the left and right sides of the inner cavity of the shell (2). The support plates (46) are fixedly connected to the two corresponding walking wheel brackets (3).

Images