Automatic trolley with adjustable structure

Abstract

The utility model discloses an automatic trolley with an adjustable structure, which belongs to the technical field of trolley automation and comprises a driving traction device, a height adjusting device and an inclination adjusting device. The driving traction device is provided with a height adjusting device used for adjusting the distance between every two adjacent layers and an inclination adjusting device used for adjusting the inclination angle of placed objects. The height adjusting device comprises a first adjusting assembly used for driving and adjusting the height and a supporting layering assembly used for multi-layer supporting. By means of the mode, the first adjusting assembly drives the supporting layering assemblies to conduct automatic equal-distance adjustment, synchronous adjustment can be achieved in the operation process of the driving traction device, the supporting layering assemblies are used for being matched with placed objects at different heights, and meanwhile the overall height can be synchronously driven to be adjusted through height adjustment of the multiple layers of supporting layering assemblies; and the operation scene is prevented from being limited by a relatively high height.

Description

Technical Field

[0001] The utility model relates to the technical field of trolley automation, in particular to an automated trolley with an adjustable structure. Background Art

[0002] A transport trolley is a special vehicle used to transport goods or equipment. It is usually used in factories, warehouses, logistics centers and other places. It is generally manual or electric, designed to move on flat ground, and can carry goods of different weights.

[0003] For example, Chinese patent application CN114084216A discloses a self-adaptive transport trolley, including a pillar, on which are provided a plurality of groups of load-bearing components and a plurality of groups of limiting components, a plurality of first slide grooves and a plurality of second slide grooves are provided on the pillar, the plurality of first slide grooves are arranged in one-to-one correspondence with the plurality of load-bearing components, and the plurality of second slide grooves are arranged in one-to-one correspondence with the plurality of limiting components; the load-bearing component includes a sliding frame, a movable baffle and a first spring, the sliding frame is slidably connected to the inner side wall of the first slide groove, one end of the first spring is fixedly connected to the bottom wall of the first slide groove, and the movable baffle is passed through the sliding frame; the limiting component includes a limiting plate, which is slidably connected to the inner wall of the second slide groove, and the limiting plate is used to cooperate with precision devices; a first driving component for driving the movable baffle to move is provided in the sliding frame, and a second driving component for driving the limiting plate to move is also provided in the pillar.

[0004] However, when the self-adaptive transport trolley is used, it cannot be automatically adjusted during transportation, nor can the spacing between multiple sliding frames be adjusted, making it difficult to accommodate the placement of items of greater heights and sizes.

[0005] Based on this, the utility model designs an automated trolley with an adjustable structure to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides an automated trolley with an adjustable structure.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] An automated trolley with adjustable structure, comprising a driving and traction device, a height adjustment device and a tilt adjustment device;

[0009] The driving and traction device is equipped with a height adjustment device for adjusting the distance between each layer and a tilt adjustment device for adjusting the tilt angle of the placed items;

[0010] The height adjustment device includes a first adjustment component for driving the height adjustment and a support layer component for multi-layer support. The first adjustment component is connected to the driving traction device, and the support layer component is installed on the first adjustment component. The support layer component is connected to the tilt adjustment device, and the tilt adjustment device is provided with a multi-layer support structure of a multi-layer placement structure cooperating with the support layer component.

[0011] Furthermore, the driving traction device includes a base, multiple support frames, multiple side plates, a traction component and multiple universal wheels, multiple support frames are fixedly installed on the upper end of the base, multiple side plates are fixedly installed on the support frames and the outside of the base, the mounting frame part of the traction component is fixedly installed on the lower end of the base, the mounting frame part of the multiple universal wheels is fixedly connected to the lower end of the base, the base is connected to the first adjustment component and the tilt adjustment device, the support frame is connected to the first adjustment component, the traction component is the main part of the AGV tractor, and the AGV tractor is the existing technology.

[0012] Furthermore, the first adjustment component includes two electric cylinders, a connecting rod and two scissor-type structural components. The two electric cylinders and the two scissor-type structural components are symmetrically arranged on the left and right sides of the connecting rod respectively. The scissor-type structural components are provided with multiple groups of diagonal rods. Each group of diagonal rods is composed of two diagonal rods rotatably connected by two central parts. Multiple groups of diagonal rods are arranged up and down, and the two ends of two adjacent groups of diagonal rods are correspondingly connected in rotation. The two electric cylinders are rotatably installed on the upper end of the base, and the output ends of the two electric cylinders are rotatably connected to the connecting rod. The left and right ends of the connecting rod are fixedly connected to the two corresponding diagonal rods of the two groups of scissor-type structural components respectively, and the scissor-type structural components are connected to the supporting layered component.

[0013] The lifting mechanism is a pair of fixed frames which are connected with the support frame of the base, and the fixing mechanism is connected with the fixing frame by the fixing mechanism, and the fixing mechanism can be connected with the fixing mechanism of the base to the support frames.

[0014] Furthermore, a groove is provided on the outer side of the adjustment frame for sliding the oblique rod of the scissor-type structural component, a plurality of sliding columns are provided on the scissor-type structural component, and through grooves are provided on the two baffles for the sliding columns of the scissor-type structural component to pass through.

[0015] Furthermore, the tilt adjustment device includes two second adjustment components symmetrically arranged on the left and right and multiple groups of placement components. The multi-layer placement structure of the tilt adjustment device is a placement component. The second adjustment component is connected to the base, the adjustment frame and the placement component, and the multiple placement components are connected to the multiple adjustment frames in the middle.

[0016] Furthermore, the second adjustment component includes a motor, multiple fixed seats, multiple adjustment seats, a spline shaft, multiple spline sleeves and a mounting top plate. The motor is fixedly mounted at the lower end of the base, the output end of the motor passes through the base and is fixedly connected to the spline shaft, the upper and lower ends of the spline shaft are respectively rotatably connected to the mounting top plate and the base, the mounting top plate is fixedly mounted on the inner side of the upper end of the support frame, multiple fixed seats are correspondingly fixedly mounted on the lower ends of multiple adjustment frames in the middle, multiple fixed seats are correspondingly sleeved on the outside of multiple spline sleeves and rotatably connected to the spline sleeves, the spline sleeve is sleeved on the outside of the spline shaft and is limitedly slidably connected to the spline shaft, a thread is opened on the outer side of the upper end of the spline sleeve and is threadedly connected to the adjustment seat, and the rear end of the adjustment seat is connected to the placement component.

[0017] Furthermore, the multiple groups of placement components are located at the rear ends of multiple adjustment seats, and the placement components include a placement rack and two limit seats. The front end of the placement rack is slidably connected to the adjustment rack, and the rear end of the placement rack is rotatably connected to the adjustment rack. The two limit seats are fixedly installed on the upper end of the placement rack. The limit seats are provided with multiple arc-shaped grooves for placing items. The inner side of the rear end of the adjustment seat is provided with a groove for sliding the placement rack, and the front end of the placement rack is provided with a sliding column.

[0018] Compared with the prior art, the present invention has the following beneficial effects: 1. The first adjustment component drives the automatic equidistant adjustment of the support layered components, so that the adjustment can be synchronized during the operation of the driving traction device to adapt to the placement of objects at different heights. At the same time, the height adjustment of the multi-layer support layered components will simultaneously drive the adjustment of the overall height, avoiding the limitation of the operation scenario due to the higher height;

[0019] 2. Two electric cylinders drive the two scissor-type structural components to operate synchronously, so that the force on both sides of the adjustment frame is even and the adjustment process is stable. The motor drives multiple placement racks to adjust the tilt synchronously, making it easy to operate when placing items. The placement rack can be rotated in the opposite direction during the operation of the traction component to drive the placement rack to be adjusted to a horizontal level to prevent tilted items from falling during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be derived from these drawings without inventive effort.

[0021] Figure 1 The utility model is a three-dimensional structure of an automatic trolley with adjustable structure Figure 1 ;

[0022] Figure 2 This is a front view of an automated trolley with adjustable structure according to the present invention;

[0023] Figure 3 This is a top view of an automated trolley with adjustable structure according to the present invention;

[0024] Figure 4 The utility model is a three-dimensional structure of an automatic trolley with adjustable structure Figure 2 ;

[0025] Figure 5 This is a partial three-dimensional diagram of an automated trolley with adjustable structure according to the present invention;

[0026] Figure 6 To follow Figure 2 A three-dimensional image with part of the AA cut away;

[0027] Figure 7 It is a partial perspective view of the tilt adjustment device of the present invention;

[0028] Figure 8 To follow Figure 2 A partial three-dimensional image of BB with part of it cut away.

[0029] The numbers in the figure represent:

[0030] 1. Driving traction device; 11. Base; 12. Support frame; 13. Side plate; 14. Traction component; 15. Universal wheel; 2. Height adjustment device; 21. First adjustment component; 211. Electric cylinder; 212. Connecting rod; 213. Scissor structure component; 22. Support layer component; 221. Adjustment frame; 222. Slide rail; 223. Lifting rod; 224. Baffle; 225. Fixed frame; 3. Tilt adjustment device; 31. Second adjustment component; 311. Motor; 312. Fixed seat; 313. Adjustment seat; 314. Spline shaft; 315. Spline sleeve; 316. Mounting top plate; 32. Placement component; 321. Placement frame; 322. Limit seat. DETAILED DESCRIPTION

[0031] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0032] The terms “left,” “right,” “front,” “back,” “up,” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0033] Example 1: In some embodiments, please refer to the accompanying drawings of the specification. Figures 1-8 , an automated trolley with adjustable structure, comprising a driving and traction device 1, a height adjustment device 2 and a tilt adjustment device 3;

[0034] The driving and traction device 1 is equipped with a height adjustment device 2 for adjusting the distance between each layer and a tilt adjustment device 3 for adjusting the tilt angle of the placed objects;

[0035] The height adjustment device 2 includes a first adjustment component 21 for driving the height adjustment and a support layer component 22 for multi-layer support. The first adjustment component 21 is connected to the driving traction device 1, and the support layer component 22 is installed on the first adjustment component 21. The support layer component 22 is connected to the tilt adjustment device 3. The tilt adjustment device 3 is provided with a multi-layer support structure with a multi-layer placement structure cooperating with the support layer component 22.

[0036] When the automated trolley with adjustable structure is in normal use, the driving traction device 1 automatically runs according to the specified route. According to the height of the items to be placed, the first adjustment component 21 is started. The first adjustment component 21 drives the multi-layer support structure of the support layer component 22 to increase or decrease equidistantly. The support layer component 22 drives the multi-layer placement structure of the tilt adjustment device 3 to synchronously adjust equidistantly to adapt to the placed items. The first adjustment component 21 drives the automatic equidistant adjustment of the support layer component 22, so that it can be synchronously adjusted during the operation of the driving traction device 1 to adapt to the placed items at different heights. At the same time, the height adjustment of the multi-layer support layer component 22 will synchronously drive the adjustment of the overall height to avoid the higher height limiting the operation scenario.

[0037] The driving traction device 1 includes a base 11, multiple support frames 12, multiple side plates 13, a traction component 14 and multiple universal wheels 15. The multiple support frames 12 are fixedly installed on the upper end of the base 11, and the multiple side plates 13 are fixedly installed on the outside of the support frames 12 and the base 11. The mounting frame part of the traction component 14 is fixedly installed on the lower end of the base 11, and the mounting frame part of the multiple universal wheels 15 is fixedly connected to the lower end of the base 11. The base 11 is connected to the first adjustment component 21 and the tilt adjustment device 3, and the support frame 12 is connected to the first adjustment component 21. The traction component 14 is the main part of the AGV tractor, and the AGV tractor is the existing technology.

[0038] The first adjustment component 21 includes two electric cylinders 211, a connecting rod 212 and two scissor-type structural components 213. The two electric cylinders 211 and the two scissor-type structural components 213 are symmetrically arranged on the left and right sides of the connecting rod 212 respectively. The scissor-type structural component 213 is provided with multiple groups of diagonal rods. Each group of diagonal rods is composed of two diagonal rods rotatably connected by two central parts. Multiple groups of diagonal rods are arranged up and down, and the two ends of two adjacent groups of diagonal rods are correspondingly connected in rotation. The two electric cylinders 211 are rotatably installed on the upper end of the base 11. The output ends of the two electric cylinders 211 are rotatably connected to the connecting rod 212. The left and right ends of the connecting rod 212 are fixedly connected to the two corresponding diagonal rods of the two groups of scissor-type structural components 213 respectively. The scissor-type structural component 213 is connected to the supporting layered component 22.

[0039] The support layered component 22 includes multiple adjustment frames 221, multiple slide rails 222, multiple lifting rods 223, two baffles 224 and two fixed frames 225. The multi-layer support structure of the support layered component 22 is the adjustment frame 221. The multiple adjustment frames 221 are distributed up and down and correspondingly connected to the multiple groups of diagonal rods of the scissor-type structure component 213. The front end connection of the lowest diagonal rod of the two scissor-type structure components 213 is rotatably connected to the fixed frame 225. The rear end connection of the lowest diagonal rod of the two scissor-type structure components 213 is slidably connected to the fixed frame 225. The two fixed frames 225 are fixedly installed on the left and right sides of the upper end of the base 11. The front end connection of the oblique rod above the scissors-type structural component 213 is rotatably connected to the multiple groups of adjustment frames 221, and the rear end connection of the oblique rod above the scissors-type structural component 213 is slidably connected to the multiple groups of adjustment frames 221. The left and right sides of the multiple groups of adjustment frames 221 are limitedly slidably connected to the multiple groups of slide rails 222. The multiple groups of slide rails 222 are respectively fixedly installed on the inner sides of the multiple groups of support frames 12, and the two baffles 224 are fixedly installed on the outer sides of the uppermost adjustment frame 221. The outer sides of the uppermost adjustment frame 221 are respectively fixedly connected to the four lifting rods 223. The inner side of the upper end of the support frame 12 is hollow, and the lifting rod 223 is slidably installed on the upper end of the support frame 12.

[0040] The outer side of the adjustment frame 221 is provided with a groove for the sliding of the oblique rod of the scissor-type structure component 213. The scissor-type structure component 213 is provided with multiple sliding columns. The two baffles 224 are provided with through grooves for the sliding columns of the scissor-type structure component 213 to pass through.

[0041] When the automatic trolley with adjustable structure is in normal use, the traction component 14 is started, and the traction component 14 runs along the specified route. The traction component 14 drives the base 11 to move, and the base 11 drives the support frame 12, the side plate 13 and the universal wheel 15 to move synchronously. The universal wheel 15 is used to assist the traction component 14 in running and provide support, and the electric cylinder 211 is started, and the electric cylinder 211 drives the connecting rod 212 to rise away from the base 11, and the connecting rod 212 drives the lowermost oblique rod of the two scissor-fork structural components 213 to rotate. The rotation between the multiple groups of scissor-fork structural components 213 makes the rear end connection of the scissor-fork structural components 213 slide and rise along the adjustment frame 221, and the front end connection of the scissor-fork structural components 213 slides along the adjustment frame 221. The frame 221 rotates and rises, and the scissor-type structure component 213 drives the adjustment frame 221 to slide and rise along the slide rail 222. Multiple adjustment frames 221 rise synchronously, so that the distance between the two adjustment frames 221 increases. The uppermost adjustment frame 221 drives the lifting rod 223 and the baffle 224 to rise synchronously. The lifting rod 223 slides and rises along the support frame 12 to support the uppermost adjustment frame 221. The baffle 224 is used to block both sides. The adjustment frame 221 drives the multi-layer placement structure of the tilt adjustment device 3 to increase equidistantly to adapt to objects of different heights. The two scissor-type structure components 213 are driven to operate synchronously by two electric cylinders 211, so that the force on both sides of the adjustment frame 221 is evenly distributed and the adjustment process is stable.

[0042] The tilt adjustment device 3 includes two second adjustment components 31 symmetrically arranged on the left and right and multiple groups of placement components 32. The multi-layer placement structure of the tilt adjustment device 3 is the placement component 32. The second adjustment component 31 is connected to the base 11, the adjustment frame 221 and the placement component 32, and the multiple placement components 32 are connected to the multiple adjustment frames 221 in the middle.

[0043] The second adjustment component 31 includes a motor 311, multiple fixed seats 312, multiple adjustment seats 313, a spline shaft 314, multiple spline sleeves 315 and a mounting top plate 316. The motor 311 is fixedly mounted on the lower end of the base 11, and the output end of the motor 311 passes through the base 11 and is fixedly connected to the spline shaft 314. The upper and lower ends of the spline shaft 314 are rotatably connected to the mounting top plate 316 and the base 11 respectively. The mounting top plate 316 is fixedly mounted on the inner side of the upper end of the support frame 12, and multiple fixed seats 312 are correspondingly fixedly mounted on the lower ends of the multiple adjustment frames 221 in the middle. The multiple fixed seats 312 are correspondingly sleeved on the outside of the multiple spline sleeves 315 and rotatably connected to the spline sleeves 315. The spline sleeves 315 are sleeved on the outside of the spline shaft 314 and are limitedly slidably connected to the spline shaft 314. A thread is provided on the outer side of the upper end of the spline sleeve 315 and is threadedly connected to the adjustment seat 313. The rear end of the adjustment seat 313 is connected to the placement component 32.

[0044] The multiple groups of placement components 32 are located correspondingly at the rear ends of multiple adjustment seats 313. The placement components 32 include a placement rack 321 and two limit seats 322. The front end of the placement rack 321 is slidably connected to the adjustment seat 313, and the rear end of the placement rack 321 is rotatably connected to the adjustment rack 221. The two limit seats 322 are fixedly installed on the upper end of the placement rack 321. The limit seats 322 are provided with multiple arc-shaped grooves for placing items. The inner side of the rear end of the adjustment seat 313 is provided with a groove for sliding the placement rack 321, and the front end of the placement rack 321 is provided with a sliding column.

[0045] When the automatic trolley with adjustable structure is in normal use, the motor 311 is started, and the motor 311 drives the spline shaft 314 to rotate, and the spline shaft 314 drives the spline sleeve 315 to rotate along the fixed seat 312, and the rotation of the spline sleeve 315 drives the adjustment seat 313 to rise, and the rising adjustment seat 313 drives the front end of the placement rack 321 to slide along the adjustment seat 313 and lift synchronously, and the placement rack 321 drives the limit seat 322 to tilt, and the items are placed on the limit seat 322 and limited. The motor 311 drives multiple placement racks 321 to be tilted and adjusted synchronously, so that it is easy to operate when placing items, and the placement rack 321 can be rotated in the opposite direction during the operation of the traction component 14 to drive the placement rack 321 to be adjusted to a horizontal level to prevent the tilted items from falling during operation.

[0046] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. An automated trolley with adjustable structure, comprising a driving and traction device (1), characterized in that: It also includes a height adjustment device (2) and an inclination adjustment device (3), wherein the driving and traction device (1) is equipped with a height adjustment device (2) for adjusting the distance between each layer and an inclination adjustment device (3) for adjusting the inclination angle of the placed items; The height adjustment device (2) comprises a first adjustment component (21) for driving height adjustment and a support layer component (22) for multi-layer support, wherein the first adjustment component (21) is connected to the driving traction device (1), the support layer component (22) is mounted on the first adjustment component (21), and the support layer component (22) is connected to the tilt adjustment device (3), and the tilt adjustment device (3) is provided with a multi-layer support structure having a multi-layer placement structure cooperating with the support layer component (22).

2. The structure-adjustable automated trolley according to claim 1, characterized in that: The driving traction device (1) comprises a base (11), a plurality of support frames (12), a plurality of side plates (13), a traction component (14) and a plurality of universal wheels (15), wherein the plurality of support frames (12) are fixedly mounted on the upper end of the base (11), the plurality of side plates (13) are fixedly mounted on the outer sides of the support frames (12) and the base (11), a mounting frame portion of the traction component (14) is fixedly mounted on the lower end of the base (11), a mounting frame portion of the plurality of universal wheels (15) is fixedly connected to the lower end of the base (11), the base (11) is connected to the first adjustment component (21) and the tilt adjustment device (3), and the support frame (12) is connected to the first adjustment component (21).

3. The structure-adjustable automated trolley according to claim 2, characterized in that: The first adjustment component (21) includes two electric cylinders (211), a connecting rod (212) and two scissor-type structural components (213). The two electric cylinders (211) and the two scissor-type structural components (213) are symmetrically arranged on the left and right sides of the connecting rod (212), respectively. The scissor-type structural components (213) are provided with multiple groups of inclined rods, each group of inclined rods is composed of two inclined rods with two central parts rotatably connected. The multiple groups of inclined rods are arranged up and down, and the two ends of two adjacent groups of inclined rods are correspondingly rotatably connected. The two electric cylinders (211) are rotatably mounted on the upper end of the base (11), the output ends of the two electric cylinders (211) are rotatably connected to the connecting rod (212), the left and right ends of the connecting rod (212) are fixedly connected to the two corresponding inclined rods of the two groups of scissor-type structural components (213), and the scissor-type structural components (213) are connected to the supporting layered component (22).

4. The structure-adjustable automated trolley according to claim 3, characterized in that: The support layered assembly (22) includes a plurality of adjustment frames (221), a plurality of slide rails (222), four lifting rods (223), two baffles (224) and two fixed frames (225). The multi-layer support structure of the support layered assembly (22) is the adjustment frame (221). The plurality of adjustment frames (221) are distributed up and down and correspondingly connected to the plurality of groups of diagonal rods of the scissor-type structure component (213). The front end connection of the lowest diagonal rod of the two scissor-type structure components (213) is rotatably connected to the fixed frame (225). The rear end connection of the lowest diagonal rod of the two scissor-type structure components (213) is slidably connected to the fixed frame (225). The two fixed frames (225) are fixedly installed on the left and right sides of the upper end of the base (11). The front end connection of the oblique rod above the scissor-fork structure component (213) is rotatably connected to the multiple adjustment frames (221), the rear end connection of the oblique rod above the scissor-fork structure component (213) is slidably connected to the multiple adjustment frames (221), the left and right sides of the multiple adjustment frames (221) are limitedly slidably connected to the multiple slide rails (222), the multiple slide rails (222) are respectively fixedly mounted on the inner sides of the multiple support frames (12), the two baffles (224) are fixedly mounted on the outer sides of the uppermost adjustment frame (221), the outer sides of the uppermost adjustment frame (221) are respectively fixedly connected to the four lifting rods (223), the inner side of the upper end of the support frame (12) is hollow, and the lifting rods (223) are slidably mounted on the upper end of the support frame (12).

5. The structure-adjustable automated trolley according to claim 4, characterized in that: The outer side of the adjustment frame (221) is provided with a groove for sliding the inclined rod of the scissor-type structure component (213), the scissor-type structure component (213) is provided with a plurality of sliding columns, and the two baffles (224) are provided with through grooves for the sliding columns of the scissor-type structure component (213) to pass through.

6. The structure-adjustable automated trolley according to claim 5, characterized in that: The tilt adjustment device (3) comprises two second adjustment components (31) symmetrically arranged on the left and right and a plurality of placement components (32). The multi-layer placement structure of the tilt adjustment device (3) comprises the placement components (32). The second adjustment component (31) is connected to the base (11), the adjustment frame (221) and the placement components (32). The plurality of placement components (32) are connected to the plurality of intermediate adjustment frames (221).

7. The structure-adjustable automated trolley according to claim 6, characterized in that: The second adjustment assembly (31) includes a motor (311), a plurality of fixed seats (312), a plurality of adjustment seats (313), a spline shaft (314), a plurality of spline sleeves (315) and a mounting top plate (316), wherein the motor (311) is fixedly mounted on the lower end of the base (11), the output end of the motor (311) passes through the base (11) and is fixedly connected to the spline shaft (314), the upper and lower ends of the spline shaft (314) are rotatably connected to the mounting top plate (316) and the base (11), respectively, and the mounting top plate (316) is fixedly mounted. Mounted on the inner side of the upper end of the support frame (12), a plurality of fixed seats (312) are correspondingly fixedly mounted on the lower ends of the plurality of adjustment frames (221) in the middle, the plurality of fixed seats (312) are correspondingly sleeved on the outer sides of the plurality of spline sleeves (315) and are rotatably connected to the spline sleeves (315), the spline sleeves (315) are sleeved on the outer sides of the spline shafts (314) and are limitedly slidably connected to the spline shafts (314), a thread is provided on the outer side of the upper end of the spline sleeves (315) and is threadedly connected to the adjustment seat (313), and the rear end of the adjustment seat (313) is connected to the placement component (32).

8. The structure-adjustable automated trolley according to claim 7, characterized in that: The plurality of placement components (32) are correspondingly located at the rear ends of the plurality of adjustment seats (313). The placement components (32) include a placement rack (321) and two limiting seats (322). The front end of the placement rack (321) is slidably connected to the adjustment seat (313), and the rear end of the placement rack (321) is rotatably connected to the adjustment rack (221). The two limiting seats (322) are fixedly mounted on the upper end of the placement rack (321). The limiting seats (322) are provided with a plurality of arcuate grooves for matching the placement of items. The inner side of the rear end of the adjustment seat (313) is provided with a groove for matching the sliding of the placement rack (321). The front end of the placement rack (321) is provided with a sliding column.

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