Transfer trolley with cargo butt joint transfer mechanism and control method thereof

Abstract

The invention discloses a transfer trolley with a cargo butt joint transfer mechanism, and relates to the technical field of transfer trolleys, the transfer trolley comprises a base, a conveying mechanism, an ejection mechanism and a positioning mechanism, the top end of the base is fixedly connected with fixing plates, and the opposite sides of the fixing plates are fixedly connected with fixing frames; the conveying mechanism is arranged between the fixing frames; the ejection mechanism is arranged in the base; and the positioning mechanism is connected with the ejection mechanism. The arrangement mode that the conveying mechanism, the ejection mechanism and the positioning mechanism are matched is utilized, the rotary conveying mechanism can be suitable for truck containers of different heights, butt joint transfer of goods is facilitated, the butt joint problem caused by the fixed height of a traditional conveying device is effectively solved, stable conveying can be achieved in the conveying process, and the conveying efficiency is improved. And meanwhile, the goods can be ejected out one by one through the ejection mechanism at the unloading position, unloading is facilitated, the labor intensity of manual carrying is reduced, the whole transfer process is more reliable and efficient through the positioning mechanism, and use is convenient.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of transfer trolley, in particular to a transfer trolley with a cargo docking transfer mechanism and a control method thereof. BACKGROUND

[0002] The transfer trolley is a special vehicle for transporting goods or personnel, which is suitable for logistics, warehousing, factory and other scenes, and has the characteristics of flexibility and high efficiency, and can quickly complete short-distance transportation tasks and improve work efficiency.

[0003] In the logistics system, for some small packaging boxes, a transfer trolley is generally used for loading when loading. Small packaging boxes are not only difficult to stack because of their light weight and small size, but also prone to falling during transfer. In addition, different truck cargo box heights are different, so the transfer trolley needs to be adjusted to the same height as the different truck cargo compartments to dock and load, so as to facilitate the transfer trolley to load different height trucks. However, in the existing transfer system, the transfer trolley cannot be adjusted to the same height as the different truck cargo compartments, which seriously restricts the loading efficiency of the transfer trolley and is relatively inconvenient. SUMMARY

[0004] The purpose of the present application is to provide a transfer trolley with a cargo docking transfer mechanism and a control method thereof to solve the problems raised in the background art.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a transfer trolley with a cargo docking transfer mechanism, comprising: A base, the top end of the base is fixedly connected with a fixed plate, and the opposite sides of the fixed plate are fixedly connected with a fixed frame; A conveying mechanism, the conveying mechanism is arranged between the fixed frames and is used for adjusting the docking cargo; An ejection mechanism, the ejection mechanism is arranged inside the base and is used for unloading; A positioning mechanism, the positioning mechanism is connected with the ejection mechanism and is used for positioning the conveying mechanism.

[0006] Preferably, the conveying mechanism comprises: A rotating rod, the rotating rod is rotatably arranged between the fixed frames; A rotating assembly, the rotating assembly is arranged on the fixed frame support; Two chain wheels, the two chain wheels are fixedly connected with the rotating rod, and the other two chain wheels are connected with the rotating assembly; A chain, the chain is arranged between adjacent chain wheels; A placing assembly, the placing assembly is arranged on the chain and is used for carrying the packaging box.

[0007] Preferably, the rotating assembly comprises: Rotary cylinder, the rotary cylinder is fixedly connected with the other two sprocket, the end of the rotary cylinder is rotatably connected with the fixed plate; Telescopic rod, the telescopic rod is slidably connected with the inner cavity of the rotary cylinder; Gear, the gear is rotatably arranged in the interior of the rotary cylinder; Rack, the top end and the bottom end of the inner wall of the rotary cylinder are provided with telescopic grooves, the rack is slidably connected with the inner cavity of the telescopic groove, the rack is fixedly connected with the telescopic rod, and the rack is meshingly connected with the gear; Rotating disc, the rotating disc is fixedly connected with the telescopic rod, and the outer wall of the rotating disc is fixedly connected with a handle.

[0008] Preferably, the placing assembly comprises: Chain block, the chain block is equidistantly fixedly connected to the outer wall of the chain; Connecting plate, the connecting plate is arranged between the chain blocks; Mounting plate, the mounting plate is equidistantly fixedly connected to the bottom end of the connecting plate; Placing frame, the placing frame is fixedly connected between the mounting plates, and a supporting plate is slidably connected in the inner cavity of the placing frame; Connecting rod, one end of the connecting rod is fixedly connected with the connecting plate, the other end of the connecting rod is rotatably connected with the chain block, the other end of the connecting rod is fixedly connected with a limiting block, the outer wall of the fixed frame is symmetrically provided with a limiting groove, and the limiting block is slidably connected with the inner cavity of the limiting groove.

[0009] Preferably, the ejection mechanism comprises: Synchronous plate, the top end of the base is provided with a synchronous groove, and the synchronous plate is slidably connected with the inner cavity of the synchronous groove; Ejection block, the ejection block is equidistantly fixedly connected to the top end of the synchronous plate, and the ejection block is matched with the supporting plate; Pull plate, the pull plate is symmetrically arranged on the two sides of the base, the outer wall of the pull plate is provided with a rotating groove, the rotating disc is located in the rotating groove, and the telescopic rod is rotatably connected with the inner wall of the rotating groove; Pull rod, one end of the pull rod is fixedly connected with the pull plate, the two sides of the synchronous plate are provided with a first recess, and the pull rod is slidably connected with the inner cavity of the first recess; Extrusion rod, the extrusion rod is fixedly connected with the other end of the pull rod, the two sides of the inner wall of the first recess are provided with a first extrusion groove, and the end of the extrusion rod is slidably connected with the inner cavity of the first extrusion groove; First compression spring, the first compression spring is sleeved outside the pull rod, one end of the first compression spring is fixedly connected with the extrusion rod, and the other end of the first compression spring is fixedly connected with the inner wall of the synchronous groove.

[0010] Preferably, the positioning mechanism comprises: The extrusion plate is fixedly connected to the outer wall of the fixed plate, the outer wall of the pull plate is provided with a through slot, and the extrusion plate is slidably connected with the inner cavity of the through slot; The positioning plate is located in the inner part of the elastic groove of the pull plate; The positioning rod is fixedly connected with the positioning plate, the outer wall of the rotating disc is equidistantly provided with a positioning hole, one end of the positioning rod is slidably connected with the inner cavity of the positioning hole, the top end of the extrusion plate is provided with a second groove, and the other end of the positioning rod is slidably connected with the inner cavity of the second groove; The extrusion block is fixedly connected to the two sides of the positioning rod, the inner wall of the second groove is provided with a second extrusion groove on the two sides, and the extrusion block is slidably connected with the inner cavity of the second extrusion groove; The second compression spring is sleeved on the outer part of the positioning rod, one end of the second compression spring is fixedly connected with the positioning plate, and the other end of the second compression spring is fixedly connected with the inner wall of the elastic groove.

[0011] Preferably, the positioning mechanism further comprises: The inner wall of the bottom end of the second extrusion groove is provided with a positioning groove, and the positioning block is slidably connected with the inner cavity of the positioning groove; The third compression spring is arranged in the inner part of the positioning groove; The outer wall of the extrusion plate is provided with a sliding groove communicated with the positioning groove, and the pull block is fixedly connected with the positioning block through the sliding groove.

[0012] Preferably, one end of the third compression spring is fixedly connected with the positioning block, and the other end of the third compression spring is fixedly connected with the bottom end of the inner wall of the positioning groove.

[0013] Preferably, the outer wall of the pull plate is equidistantly fixedly connected with a handle, and the outer wall of the handle is provided with anti-skid textures.

[0014] The application also provides a control method of the transfer vehicle with the cargo docking transfer mechanism, which comprises the following specific use steps: Step one: when docking and transferring small cargo boxes, the handle is pulled to pull the pull plate, at this time, the extrusion block descends in the second extrusion groove, so as to drive the positioning rod to separate from the positioning hole, at this time, the rotating disc is driven to rotate through the handle, the position of the placing frame is adjusted, and the small cargo box can be loaded and unloaded; Step two: after the placing frame located in the first layer is full, a new placing frame can be rotated to the loading position by rotating the rotating disc, and in the process of rotation, the limiting block will be limited in the limiting groove to keep each layer of the placing frame in a vertical stable state for rotation, and when the sprocket rotates to the position, the limiting block is separated from the limiting groove, at this time, under the action of the gravity of the placing frame and the goods, the placing frame can be rotated through the connecting rod to continue to be in a vertical state, and after the loading of each layer is completed, the handle can be loosened, at this time, the positioning rod is reset under the elastic force of the first compression spring, so that the positioning rod is inserted into the positioning hole of the current position again, and positioning is realized. Step three: when the goods box is transported to the unloading position, the extrusion block can be pulled through the positioning block to make the ejector block rise to the highest position under the limitation of the positioning block, at this time, the ejector block will lift the supporting plate, and the goods box can be unloaded.

[0015] Technical effects and advantages of the present application: (1) The present application utilizes the cooperation of the conveying mechanism, the ejecting mechanism and the positioning mechanism, the rotating conveying mechanism can be suitable for goods boxes of different heights, facilitating the docking and transportation of goods, effectively solving the docking problem caused by the fixed height of the traditional conveying device, and stably conveying in the conveying process, and the goods can be ejected one by one at the unloading position through the ejecting mechanism, facilitating unloading and reducing the labor intensity of manual carrying, and the positioning mechanism can fix the position of the conveying mechanism and the ejecting mechanism, making the whole transportation process more reliable and efficient, and facilitating use; (2) The present application utilizes the cooperation of the limiting block and the limiting groove, the limiting block slides in the inner cavity of the limiting groove to stably displace in the vertical direction of the placing frame, and the placing frame will not rotate, when the placing frame passes through the sprocket rotating position, the limiting block is separated from the limiting groove, at this time, the placing frame can be rotated through the connecting rod under the action of its own gravity and the gravity of the goods, so as to continue to be in a vertical state, avoiding the risk of goods falling caused by inertia or external force; (3) The present application utilizes the cooperation of the synchronous plate, the ejector block, the pull plate, the pull rod, the extrusion rod and the first compression spring, the elastic force of the first compression spring can make the synchronous plate stably received in the inside of the synchronous groove under the extrusion of the extrusion rod, the pull plate can be pulled to different distances, the synchronous plate can remain stationary at a displacement, but the rotating disc is not positioned, at this time, the rotating disc can be operated to adjust the rotating mechanism, when the pull plate is pulled to a second displacement, the rotating disc is positioned, and the ejector block is extruded to rise to eject the goods in the plurality of placing frames, facilitating subsequent discharging operation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1This is a schematic diagram of the overall structure of the present invention.

[0017] Figure 2 This is a schematic diagram of the overall front internal structure of the present invention.

[0018] Figure 3 This is a schematic diagram of the sprocket structure of the present invention.

[0019] Figure 4 This is a schematic diagram of the internal structure of the rotating component of the present invention.

[0020] Figure 5 This is a schematic diagram of the side structure of the fixing frame of the present invention.

[0021] Figure 6 For the present invention Figure 4 Enlarged structural diagram at point A in the middle.

[0022] Figure 7 For the present invention Figure 5 Enlarged structural diagram at point B.

[0023] Figure 8 This is a schematic diagram of the structure at the component placement location of the present invention.

[0024] Figure 9 This is a top view of the internal structure of the ejection mechanism of the present invention.

[0025] Figure 10 For the present invention Figure 2 Enlarged structural diagram at point C.

[0026] Figure 11 For the present invention Figure 2 Enlarged structural diagram at point D.

[0027] Figure 12 This is a schematic diagram of the structure of the pull plate of the present invention.

[0028] In the diagram: 1. Base; 2. Fixing plate; 3. Fixing frame; 4. Conveying mechanism; 41. Rotating rod; 42. Rotating assembly; 421. Rotating cylinder; 422. Telescopic rod; 423. Gear; 424. Rack; 425. Turntable; 43. Sprocket; 44. Chain; 45. Placement assembly; 451. Chain block; 452. Connecting plate; 453. Mounting plate; 454. Placement frame; 455. Support plate; 456. Connecting rod; 457. Limiting block; 5. Ejection mechanism; 51. Synchronizing plate; 52. Ejection block; 53. Pull plate; 54. Pull rod; 55. Extrusion rod; 56. First compression spring; 6. Positioning mechanism; 61. Extrusion plate; 62. Positioning plate; 63. Positioning rod; 64. Extrusion block; 65. Second compression spring; 66. Positioning block; 67. Third compression spring; 68. Pull block; 7. Handle. Detailed Implementation

[0029] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0030] This invention provides, for example Figures 1-12 The transfer vehicle shown includes a base 1, a conveying mechanism 4, an ejector mechanism 5, and a positioning mechanism 6. A fixed plate 2 is fixedly connected to the top of the base 1, and fixed frames 3 are fixedly connected to opposite sides of the fixed plate 2. The conveying mechanism 4 is located between the fixed frames 3 and is used to adjust the docking of goods. The ejector mechanism 5 is located inside the base 1 and is used for unloading. The positioning mechanism 6 is connected to the ejector mechanism 5 and is used to position the conveying mechanism 4. The rotating conveying mechanism 4 can be adapted to cargo boxes of different heights, facilitating the docking and transfer of goods. It effectively solves the docking problem caused by the fixed height of traditional conveying devices. It can transport goods stably during the conveying process. At the unloading position, the ejector mechanism 5 can eject the goods one by one, which is convenient for unloading and reduces the labor intensity of manual handling. The positioning mechanism 6 can fix the position of the conveying mechanism 4 and the ejector mechanism 5, making the entire transfer process more reliable, efficient, and easy to use.

[0031] Specifically, the conveying mechanism 4 includes a rotating rod 41, a rotating assembly 42, a sprocket 43, a chain 44, and a placement assembly 45. The rotating rod 41 is rotatably mounted between the fixed frames 3, and the rotating assembly 42 is mounted on the support of the fixed frame 3. Two sprockets 43 are fixedly inserted and connected to the rotating rod 41, and the other two sprockets 43 are connected to the rotating assembly 42. The chain 44 is positioned between adjacent sprockets 43, and the placement assembly 45 is mounted on the chain 44 to carry the packaging box. The rotating assembly 42 can drive the sprockets 43 to rotate, thereby causing the chain 44 to drive the placement assembly 45 to rotate, realizing the rapid conversion of empty placement frames 454. This allows for the docking and loading of goods without changing the height.

[0032] Further, the rotating assembly 42 comprises a rotating cylinder 421, an extension rod 422, a gear 423, a rack 424 and a rotating disc 425, the rotating cylinder 421 is fixedly connected with the other two sprockets 43, the end of the rotating cylinder 421 is rotatably connected with the fixed plate 2, the extension rod 422 is slidably connected with the inner cavity of the rotating cylinder 421, the gear 423 is rotatably arranged in the rotating cylinder 421, the top end and the bottom end of the inner wall of the rotating cylinder 421 are provided with extension grooves, the rack 424 is slidably connected with the inner cavities of the extension grooves, the rack 424 is fixedly connected with the extension rod 422, the rack 424 is meshingly connected with the gear 423, through the cooperation of the gear 423 and the rack 424, the rotating disc 425 can be displaced in the horizontal direction, but the normal rotation of the rotating cylinder 421 is not affected, the rotating disc 425 is fixedly connected with the extension rod 422, the outer wall of the rotating disc 425 is fixedly connected with a handle, through the handle, the rotating disc 425 can be driven to rotate, so that the rotating cylinder 421 can be driven to rotate through the rack 424 and the extension rod 422, thereby driving the two sprockets 43 at the bottom to rotate, achieving the driving of the chain 44.

[0033] Further, the placing assembly 45 comprises chain blocks 451, connecting plates 452, mounting plates 453, placing frames 454, supporting plates 455, connecting rods 456 and limiting blocks 457, the chain blocks 451 are equidistantly fixedly connected with the outer wall of the chain 44, the connecting plates 452 are arranged between the chain blocks 451, the mounting plates 453 are equidistantly fixedly connected with the bottom end of the connecting plates 452, the placing frames 454 are fixedly connected between the mounting plates 453, the inner cavities of the placing frames 454 are slidably connected with the supporting plates 455, one end of the connecting rod 456 is fixedly connected with the connecting plate 452, the other end of the connecting rod 456 is rotatably connected with the chain block 451, the other end of the connecting rod 456 is fixedly connected with the limiting block 457, the outer wall of the fixed frame 3 is symmetrically provided with limiting grooves, the limiting block 457 is slidably connected with the inner cavities of the limiting grooves, the placing frame 454 and the supporting plate 455 form a space for placing a goods box, and during the transfer process, the placing frame 454 cannot be rotated through the connecting rod 456, and when passing through the rotating position of the sprocket 43, the limiting block 457 is separated from the limiting groove, at this time, the placing frame 454 can be rotated through the connecting rod 456 by using its own gravity and the gravity of the goods, so as to continue to be in the vertical state, avoiding the risk of goods falling due to inertia or external force.

[0034] Specifically, the ejection mechanism 5 comprises a synchronous plate 51, an ejection block 52, a pull plate 53, a pull rod 54, an extrusion rod 55 and a first compression spring 56, the top end of the base 1 is provided with a synchronous groove, the synchronous plate 51 is in sliding insertion connection with the inner cavity of the synchronous groove, the ejection block 52 is equidistantly and fixedly connected to the top end of the synchronous plate 51, the ejection block 52 cooperates with the supporting plate 455, the pull plate 53 is symmetrically arranged on the two sides of the base 1, the outer wall of the pull plate 53 is provided with a rotating groove, the rotating disc 425 is located in the rotating groove, the telescopic rod 422 is in rotating insertion connection with the inner wall of the rotating groove, one end of the pull rod 54 is fixedly connected with the pull plate 53, the two sides of the synchronous plate 51 are both provided with a first recess, the pull rod 54 is in sliding insertion connection with the inner cavity of the first recess, the extrusion rod 55 is fixedly connected with the other end of the pull rod 54, the two sides of the inner wall of the first recess are both provided with a first extrusion groove, the end part of the extrusion rod 55 is in sliding insertion connection with the inner cavity of the first extrusion groove, the first compression spring 56 is sleeved on the outside of the pull rod 54, one end of the first compression spring 56 is fixedly connected with the extrusion rod 55, the other end of the first compression spring 56 is fixedly connected with the inner wall of the synchronous groove, the first compression spring 56 always provides a stable elastic force to the pull rod 54 and the pull plate 53 through the extrusion rod 55, so that the ejection block 52 is in the state of being stored in the synchronous groove under the limitation of the first extrusion groove and without external force, only when the pull plate 53 is pulled through the handle 7, the first extrusion groove can be extruded through the extrusion rod 55, so that the synchronous plate 51 can slide in the vertical direction under the limitation of the synchronous groove, so that the ejection block 52 can eject the supporting plate 455, at this time, the goods box in the placing frame 454 can be lifted, so as to facilitate the subsequent unloading process.

[0035] Specifically, the positioning mechanism 6 comprises an extrusion plate 61, a positioning plate 62, a positioning rod 63, an extrusion block 64 and a second compression spring 65, the extrusion plate 61 is fixedly connected to the outer wall of the fixed plate 2, the outer wall of the pull plate 53 is provided with a through slot, the extrusion plate 61 is slidably connected with the inner cavity of the through slot, the inner part of the pull plate 53 is provided with an elastic slot, the positioning plate 62 is located in the inner part of the elastic slot, the positioning rod 63 is fixedly connected with the positioning plate 62, the outer wall of the rotating disc 425 is provided with equidistant positioning holes, one end of the positioning rod 63 is slidably connected with the inner cavity of the positioning hole, the top end of the extrusion plate 61 is provided with a second groove, the other end of the positioning rod 63 is slidably connected with the inner cavity of the second groove, the extrusion block 64 is fixedly connected to the two sides of the positioning rod 63, the two sides of the inner wall of the second groove are provided with second extrusion slots, the extrusion block 64 is slidably connected with the inner cavity of the second extrusion slot, the second compression spring 65 is sleeved on the outer part of the positioning rod 63, one end of the second compression spring 65 is fixedly connected with the positioning plate 62, the other end of the second compression spring 65 is fixedly connected with the inner wall of the elastic slot, the second compression spring 65 always provides a stable upward elastic force on the positioning rod 63 through the positioning plate 62, so that the extrusion block 64 can slide in the second extrusion slot during the movement of the pull plate 53, thereby adjusting the position of the positioning rod 63, and the positioning rod 63 can be separated from the positioning hole when the extrusion block 64 descends, at this time, the rotating disc 425 can be driven to rotate by the handle, the position of the placing frame 454 is adjusted, after adjustment, the handle 7 is released, at this time, the pull plate 53 can be reset under the elastic force of the first compression spring 56, and the stability of the whole device is ensured.

[0036] Further, the positioning mechanism 6 further comprises a positioning block 66, a third compression spring 67 and a pull block 68, the inner wall of the second extrusion slot is provided with a positioning slot at the bottom end, the positioning block 66 is slidably connected with the inner cavity of the positioning slot, the top end of the positioning block 66 is provided with an inclined surface, the third compression spring 67 is arranged in the positioning slot, one end of the third compression spring 67 is fixedly connected with the positioning block 66, the other end of the third compression spring 67 is fixedly connected with the bottom end of the inner wall of the positioning slot, the outer wall of the extrusion plate 61 is provided with a sliding slot communicated with the positioning slot, the pull block 68 is fixedly connected with the positioning block 66 through the sliding slot, the third compression spring 67 always provides a stable upward elastic force on the positioning block 66, so that the extrusion block 64 can be limited after passing through, at this time, the ejection block 52 is at the highest position of rising, and the goods box is conveniently unloaded.

[0037] Further, the outer wall of the pull plate 53 is equidistantly fixedly connected with the handle 7, and the outer wall of the handle 7 is provided with anti-skid textures.

[0038] The control method of the application: Step one: when the small goods box is docked and transferred, the pull plate 53 can be pulled by the handle 7, at this time the extrusion block 64 is lowered in the second extrusion groove, so as to drive the positioning rod 63 to disengage from the positioning hole, at this time the rotating disc 425 can be driven to rotate by the handle, the position of the placing frame 454 is adjusted, that is, the small goods box can be loaded and unloaded; Step two: after the placing frame 454 on the first floor is fully loaded, the new placing frame 454 can be rotated to the loading position by rotating the rotating disc 425, in the process of rotation, the limiting block 457 will be limited in the limiting groove, and the placing frame 454 on each floor will be kept in a vertical and stable state during rotation, and when the sprocket 43 rotates to a position, the limiting block 457 is disengaged from the limiting groove, at this time the placing frame 454 can be rotated by the connecting rod 456 under the action of its own gravity and the gravity of the goods, so as to continue to be in a vertical state, after the loading of each floor is completed, the handle 7 can be released, at this time the positioning rod 63 is reset under the elastic force of the first compression spring 56, so as to reinsert the positioning rod 63 into the positioning hole of the current position, and realize positioning. Step three: when the goods box is transferred to the unloading position, the extrusion block 64 can be pulled through the positioning block 66 by pulling the pull plate 53, so that the ejector block 52 is in the highest position under the limitation of the positioning block 66, at this time the ejector block 52 will lift the supporting plate 455, and the goods box can be unloaded.

[0039] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A transfer vehicle having a cargo docking transfer mechanism, characterized by, Include: The base (1), the top end of the base (1) is fixedly connected with the fixed plate (2), the opposite side of the fixed plate (2) is fixedly connected with the fixed frame (3); Conveying mechanism (4), the conveying mechanism (4) is arranged between the fixed frame (3), for adjusting the docking goods; Ejection mechanism (5), the ejection mechanism (5) is arranged in the inside of base (1), for unloading; Positioning mechanism (6), the positioning mechanism (6) is connected with ejection mechanism (5), for positioning conveying mechanism (4).

2. The transfer cart having a cargo docking transfer mechanism of claim 1, wherein, The conveying mechanism (4) includes: Rotary rod (41), the rotary rod (41) is rotatably arranged between the fixed frame (3); Rotary assembly (42), the rotary assembly (42) is arranged in the support of fixed frame (3); Sprocket (43), wherein two sprocket (43) and rotary rod (41) are fixedly connected, and the other two sprocket (43) are connected with rotary assembly (42); Chain (44), the chain (44) is arranged between adjacent one side sprocket (43); Placing assembly (45), the placing assembly (45) is arranged on the chain (44), for carrying the packing box.

3. The transfer cart having a cargo docking transfer mechanism of claim 2, wherein, The rotary assembly (42) includes: Rotary cylinder (421), the rotary cylinder (421) is fixedly connected with the other two sprocket (43), and the end of the rotary cylinder (421) is rotatably connected with the fixed plate (2); Telescopic rod (422), the telescopic rod (422) is slidably connected with the inner cavity of rotary cylinder (421); Gear (423), the gear (423) is rotatably arranged in the inside of rotary cylinder (421); Rack (424), the top end and the bottom end of the inner wall of rotary cylinder (421) are provided with telescopic grooves, the rack (424) is slidably connected with the inner cavity of telescopic groove, the rack (424) is fixedly connected with telescopic rod (422), and the rack (424) is engagedly connected with gear (423); Rotating disc (425), the rotating disc (425) is fixedly connected with telescopic rod (422), and the outer wall of rotating disc (425) is fixedly connected with a handle.

4. The transfer cart having a cargo docking transfer mechanism of claim 2, wherein, The placing assembly (45) includes: Chain block (451), the chain block (451) is equidistantly fixedly connected to the outer wall of chain (44); Connecting plate (452), the connecting plate (452) is arranged between chain block (451); Mounting plate (453), the mounting plate (453) is equidistantly fixedly connected to the bottom end of connecting plate (452); Placing frame (454), the placing frame (454) is fixedly connected between mounting plate (453), and the inner cavity of placing frame (454) is slidably connected with a support plate (455); Connecting rod (456), one end of the connecting rod (456) is fixedly connected with connecting plate (452), the other end of the connecting rod (456) is rotatably connected with chain block (451), the other end of the connecting rod (456) is fixedly connected with a limiting block (457), the outer wall of fixed frame (3) is symmetrically provided with a limiting groove, and the limiting block (457) is slidably connected with the inner cavity of limiting groove.

5. The transfer cart having a cargo docking transfer mechanism of claim 3, wherein, The ejection mechanism (5) comprises: A synchronization plate (51) is provided with a synchronization slot at the top end of the base (1), and the synchronization plate (51) is connected with the inner cavity of the synchronization slot in a sliding manner; An ejection block (52) is fixedly connected to the top end of the synchronization plate (51) at equal intervals, and the ejection block (52) cooperates with the supporting plate (455); A pull plate (53) is symmetrically arranged on both sides of the base (1), the outer wall of the pull plate (53) is provided with a rotating slot, the rotating disc (425) is located in the rotating slot, and the telescopic rod (422) is connected with the inner wall of the rotating slot in a rotating manner; A pull rod (54) is fixedly connected to one end of the pull plate (53), both sides of the synchronization plate (51) are provided with a first recess, and the pull rod (54) is connected with the inner cavity of the first recess in a sliding manner; An extrusion rod (55) is fixedly connected to the other end of the pull rod (54), both sides of the inner wall of the first recess are provided with a first extrusion slot, and the end of the extrusion rod (55) is connected with the inner cavity of the first extrusion slot in a sliding manner; A first compression spring (56) is sleeved outside the pull rod (54), one end of the first compression spring (56) is fixedly connected to the extrusion rod (55), and the other end of the first compression spring (56) is fixedly connected to the inner wall of the synchronization slot.

6. The transfer cart having a cargo docking transfer mechanism of claim 5, wherein, The positioning mechanism (6) comprises: An extrusion plate (61) is fixedly connected to the outer wall of the fixed plate (2), the outer wall of the pull plate (53) is provided with a through slot, and the extrusion plate (61) is connected with the inner cavity of the through slot in a sliding manner; A positioning plate (62) is located in the elastic slot in the inner part of the pull plate (53); A positioning rod (63) is fixedly connected to the positioning plate (62), the outer wall of the rotating disc (425) is provided with a positioning hole at equal intervals, one end of the positioning rod (63) is connected with the inner cavity of the positioning hole in a sliding manner, the top end of the extrusion plate (61) is provided with a second recess, and the other end of the positioning rod (63) is connected with the inner cavity of the second recess in a sliding manner; An extrusion block (64) is fixedly connected to both sides of the positioning rod (63), both sides of the inner wall of the second recess are provided with a second extrusion slot, and the extrusion block (64) is connected with the inner cavity of the second extrusion slot in a sliding manner; A second compression spring (65) is sleeved outside the positioning rod (63), one end of the second compression spring (65) is fixedly connected to the positioning plate (62), and the other end of the second compression spring (65) is fixedly connected to the inner wall of the elastic slot.

7. The transfer cart having a cargo docking transfer mechanism of claim 6, wherein, The positioning mechanism (6) further comprises: A positioning block (66) is provided with a positioning slot at the bottom end of the inner wall of the second extrusion slot, and the positioning block (66) is connected with the inner cavity of the positioning slot in a sliding manner; A third compression spring (67) is arranged in the positioning slot. The outer wall of the extrusion plate (61) is provided with a sliding groove communicated with the positioning groove, and the pull block (68) is fixedly connected with the positioning block (66) through the sliding groove.

8. The transfer cart having a cargo docking transfer mechanism of claim 7, wherein, One end of the third compression spring (67) is fixedly connected with the positioning block (66), and the other end of the third compression spring (67) is fixedly connected with the bottom end of the inner wall of the positioning groove.

9. The transfer cart having a cargo docking transfer mechanism of claim 5, wherein, The outer wall of the pull plate (53) is fixedly connected with the handle (7) at equal intervals, and the outer wall of the handle (7) is provided with anti-skid texture.

10. The method of controlling a transfer vehicle having a cargo docking transfer mechanism according to any one of claims 1-9, characterized in that, The following specific use steps are included: Step one: when the small goods box is butt jointed and transferred, the pull plate (53) can be pulled through the handle (7), at this time the extrusion block (64) descends in the second extrusion groove, so as to drive the positioning rod (63) to separate from the positioning hole, at this time the rotating disc (425) can be driven to rotate through the handle, the position of the placing frame (454) is adjusted, and the small goods box can be loaded and unloaded; Step two: after the placing frame (454) on the first floor is fully loaded, the new placing frame (454) can be rotated to the loading position by rotating the rotating disc (425), in the process of rotation, the limiting block (457) will be limited in the limiting groove, and each layer of placing frame (454) will be kept in a vertical and stable state, and when the sprocket (43) rotates, the limiting block (457) is separated from the limiting groove, at this time the placing frame (454) can be rotated through the connecting rod (456) under the action of its own gravity and the gravity of the goods, so as to continue to be in a vertical state, after the loading of each layer is completed, the handle (7) can be released, at this time the positioning rod (63) is reset under the elastic force of the first compression spring (56), so as to be inserted into the positioning hole of the current position, and positioning is realized; Step three: when the goods box is transferred to the unloading position, the pull plate (53) can be pulled, so that the extrusion block (64) passes through the positioning block (66), so that the ejector block (52) is in the highest position under the limitation of the positioning block (66), at this time the ejector block (52) will lift the supporting plate (455), and the goods box can be unloaded.

Images