A lifting machine capable of storing and retrieving goods at ultra-low positions

Abstract

The utility model discloses a lifting machine capable of realizing ultra-low cargo storage and retrieval, comprising a column frame, a slideway, a cargo platform, a guide rail assembly, a guide wheel assembly and a lifting assembly, wherein the column frame is arranged on the ground, the slideway is arranged on the column frame in a vertical direction, a counterweight block is arranged in the slideway, the cargo platform is arranged on the side of the column frame, a telescopic fork is arranged on the cargo platform, the guide rail assembly is arranged on the guide rail assembly in a vertical direction, the guide wheel assembly is arranged on the guide rail assembly, the guide wheel assembly and the guide rail assembly are rollingly matched, the cargo platform is slidingly matched with the guide rail assembly through the guide wheel assembly, the lifting assembly is used to connect the cargo platform and the counterweight block, and the lifting assembly drives the cargo platform to make a reciprocating motion in the vertical direction. The utility model realizes the rapid transfer of goods between the AGV and the conveyor belt by cooperating with the lifting assembly and the telescopic fork, has a simple structure, and is stable in transfer, which greatly improves the transfer efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of automated stereoscopic warehouse equipment, and in particular to a hoist capable of realizing storage and retrieval of ultra-low cargo positions. Background Art

[0002] In recent years, labor costs have been getting higher and higher, which has led many companies to hope to achieve automated management to reduce labor costs. In the manufacturing industry, warehousing and logistics costs have always accounted for a large proportion. According to statistics, warehousing and logistics costs account for about 50% of the total cost of manufacturing. The emergence of automated stereoscopic warehouses has greatly alleviated this situation. The use of automated stereoscopic warehouses can greatly reduce manpower and save labor costs. At the same time, the use of automation technology has also greatly improved the efficiency of warehousing and logistics. At present, most AGVs and conveyor belts use robotic arms for transfer. The cost of robotic arms is high, the movements are more complicated, and the transfer efficiency is slow. Due to the influence of the structure, the lowest pickup position of the existing elevator is high, which cannot be used for the storage and retrieval of goods at lower cargo positions.

[0003] Therefore, how to solve the deficiencies in the above-mentioned prior art has become a topic to be studied and solved in this application. Utility Model Content

[0004] In view of this, the purpose of the utility model is to provide a hoist that can achieve ultra-low cargo storage and retrieval.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A hoist capable of storing and retrieving goods at ultra-low positions, comprising:

[0007] A column frame, which is set on the ground;

[0008] A slideway is arranged on the column frame along the vertical direction, and a counterweight block is arranged in the slideway;

[0009] A cargo platform, which is arranged on the side of the column frame, the cargo platform is suspended, and a telescopic fork is arranged on the cargo platform;

[0010] A guide rail assembly, which is arranged on the column frame along the vertical direction;

[0011] A guide wheel assembly, which is arranged on the guide rail assembly, wherein the guide wheel assembly and the guide rail assembly are in rolling cooperation, and the cargo platform and the guide rail assembly are in sliding cooperation through the guide wheel assembly;

[0012] A lifting assembly is used to connect the cargo platform and the counterweight block, and the lifting assembly drives the cargo platform to perform reciprocating motion in the vertical direction.

[0013] Furthermore, the lifting assembly includes a driving motor, a transmission shaft, a lifting sprocket and a chain, and the driving motor is arranged on the column frame; two belt seat bearings are provided on the top of the guide rail assembly, one end of the transmission shaft is rotatably connected to the driving motor, and the other end passes through the two belt seat bearings in sequence; the lifting sprocket includes a first lifting sprocket and a second lifting sprocket, the first lifting sprocket and the second lifting sprocket are arranged between the two belt seat bearings, and the first lifting sprocket and the second lifting sprocket are sleeved on the transmission shaft; the first lifting sprocket and the second lifting sprocket are both provided with the chain, one end of the chain is connected to the cargo platform through a chain pull rod, and the other end is connected to the counterweight block.

[0014] Furthermore, a buffer is provided at the contact end between the column frame and the cargo platform.

[0015] Furthermore, the bottom of the column frame is fixedly connected to the ground via a plurality of chemical anchor bolts.

[0016] Furthermore, the guide rail assembly includes a first guide rail, a second guide rail and a third guide rail, the first guide rail, the second guide rail and the third guide rail are all C-shaped opening structures, and the first guide rail, the second guide rail and the third guide rail are all arranged close to the frame wall of the column frame; the first guide rail opening and the second guide rail opening are respectively located on both sides of the interior of the column frame, the first guide rail opening and the second guide rail opening are opposite to each other, and the first guide rail opening and the second guide rail opening are both facing the inner side of the column frame; the third guide rail is located between the first guide rail and the second guide rail, and the third guide rail opening faces the cargo platform.

[0017] Furthermore, the guide wheel assembly includes six first guide wheels and two second guide wheels, and two of the first guide wheels are respectively provided on the first guide rail, the second guide rail and the third guide rail, and the first guide rail, the second guide rail and the third guide rail are respectively in rolling cooperation with the first guide wheels; two of the second guide wheels are arranged on the third guide rail, and each of the second guide wheels is in rolling cooperation with the third guide rail.

[0018] Furthermore, each second guide wheel is provided with a roller on its side, and the second guide wheel presses the roller to the inner wall of the rib plate of the third guide rail.

[0019] Furthermore, the upper cover of the lifting sprocket is provided with a dust cover, and the lifting sprocket is provided with a baffle used in conjunction with the chain.

[0020] Furthermore, friction plates are provided on both sides of the counterweight.

[0021] Furthermore, the column frame is a triangular frame.

[0022] Compared with the prior art, the advantages of the present invention are: through the cooperation of the lifting assembly and the telescopic fork, the goods can be quickly transferred between the AGV and the conveyor belt, the structure is simple, the transfer is stable, and the transfer efficiency is greatly improved. The cargo platform can reach a minimum position of 350mm from the ground, which can adapt to the storage and retrieval of goods at a lower height, greatly broadening the application scenarios of the elevator, thereby reducing the minimum height of the cargo pickup position, increasing the safety and stability during the storage and retrieval process, improving the transfer efficiency, and making the customer experience effect good. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 This is a schematic structural diagram of an ultra-low cargo storage and retrieval elevator according to an embodiment of the present application;

[0025] Figure 2 This is a schematic diagram of the structure of a lifting assembly according to an embodiment of the present application;

[0026] Figure 3 This is a schematic diagram of the structure of the guide rail assembly according to an embodiment of the present application;

[0027] Figure 4 This is a schematic diagram of the structure of the guide wheel assembly of an embodiment of the present application;

[0028] Figure 5 This is a front view of the ultra-low cargo storage and retrieval elevator of the embodiment of the present application;

[0029] Figure 6 for Figure 5 sectional view of .

[0030] Reference numerals and component descriptions in the drawings:

[0031] 1. Column frame; 11. Chemical anchor; 20. Lifting assembly; 21. Drive motor; 22. Transmission shaft; 23. Lifting sprocket; 24. Chain; 25. Baffle; 26. Dust cover; 3. Cargo platform; 4. Guide rail assembly; 41. First guide rail; 42. Second guide rail; 43. Third guide rail; 50. Guide wheel assembly; 51. First guide wheel; 52. Second guide wheel; 6. Telescopic fork; 7. Counterweight; 8. Slide. DETAILED DESCRIPTION

[0032] The technical solution of the utility model will be clearly and completely described below through specific implementation methods. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] See attached Figures 1 to 6 As shown, a hoist of the present application that can realize ultra-low cargo storage and retrieval is arranged next to the production line, including a column frame 1, a lifting assembly 20, a cargo platform 3, a guide rail assembly 4, a guide wheel assembly 50, a telescopic fork 6, a counterweight 7 and a slide 8. The bottom of the column frame 1 is fixed to the ground by a number of chemical anchors 11. The column frame 1 is a triangular frame. The slide 8 is fixed to the column frame 1 by bolts in the vertical direction. A counterweight 7 is arranged inside the slide 8. The counterweight 7 can move back and forth in the vertical direction inside the slide 8. The column frame 1 is located below the entire hoist, and the cargo platform 3 is arranged on the side of the column frame 1. There is no obstacle below the cargo platform 3, so that the cargo platform 3 can reach the lowest position of 350mm from the ground, which can adapt to the storage and retrieval of goods at a lower height, greatly broadening the application scenario of the hoist. Since the cargo platform 3 is only fixed to the side of the column frame 1, the lowest cargo pickup position height is reduced. A telescopic fork 6 is fixed on the upper part of the cargo platform 3, and the telescopic fork 6 is telescopically inserted into and taken out of the cargo to realize the horizontal transportation of the cargo.

[0034] The guide rail assembly 4 includes a first guide rail 41, a second guide rail 42 and a third guide rail 43. The first guide rail 41, the second guide rail 42 and the third guide rail 43 are all fixed on the column frame 1 in the vertical direction, that is, they are arranged in the same direction as the slideway 8. The first guide rail 41, the second guide rail 42 and the third guide rail 43 are all C-shaped opening structures. The first guide rail 41, the second guide rail 42 and the third guide rail 43 are all arranged close to the frame wall of the column frame 1. The first guide rail 41 and the second guide rail 42 are respectively arranged on both sides of the interior of the column frame 1. The openings of the first guide rail 41 and the second guide rail 42 are opposite to each other. The openings of the first guide rail 41 and the second guide rail 42 are both facing the inside of the column frame 1. The third guide rail 43 is located between the first guide rail 41 and the second guide rail 42, and the opening of the third guide rail 43 faces the cargo platform 3. In this embodiment, the first guide rail 41, the second guide rail 42 and the third guide rail 43 have the same size.

[0035] The guide wheel assembly 50 is arranged on the guide rail assembly 4, and the guide wheel assembly 50 and the guide rail assembly 4 are in rolling cooperation, and the cargo platform 3 is in sliding cooperation with the guide rail assembly 4 through the guide wheel assembly 50. The guide wheel assembly 50 includes six first guide wheels 51 and two second guide wheels 52. Two first guide wheels 51 are installed on the first guide rail 41, the second guide rail 42 and the third guide rail 43. The two first guide wheels 51 are respectively located at the top and bottom positions of the first guide rail 41, the second guide rail 42 and the third guide rail 43 near the column frame 1, and the first guide rail 41, the second guide rail 42 and the third guide rail 43 are respectively in rolling cooperation with each first guide wheel 51. Two second guide wheels 52 are arranged on the third guide rail 43, and each second guide wheel 52 is in rolling cooperation with the third guide rail 43. Each guide wheel is located in each guide rail opening and is in rolling cooperation with the inner wall of each guide rail wing plate.

[0036] The lifting assembly 20 includes a driving motor 21, a transmission shaft 22, a lifting sprocket 23 and a chain 24. The driving motor 21 is fixed on the column frame 1 to provide power for the lifting of the cargo platform 3. Two bearings with seats are installed on the top of the guide rail assembly 4. One end of the transmission shaft 22 is rotatably connected to the driving motor 21, and the other end passes through the two bearings with seats in sequence. The lifting sprocket 23 includes a first lifting sprocket and a second lifting sprocket. The first lifting sprocket and the second lifting sprocket are arranged between the two bearings with seats. The first lifting sprocket and the second lifting sprocket are sleeved on the transmission shaft 22. The first lifting sprocket and the second lifting sprocket are both provided with a chain 24. One end of the chain 24 is connected to the cargo platform 3 through a chain pull rod, and the other end is connected to the counterweight 7. The present application provides power for the cargo platform 3 through the lifting assembly 20. The lifting assembly 20 drives the cargo platform 3 to lift and lower. The cargo platform 3 is connected to the first guide wheel 51 and the second guide wheel 52, so that the cargo platform 3 slides on the first guide rail 41, the second guide rail 42 and the third guide rail 43. The cargo on the AGV is transported to the conveyor belt through the cooperation of the telescopic fork 6 and the lifting assembly 20, thereby realizing the transfer of the cargo.

[0037] Preferably, in the present embodiment, the column frame 1 is a frame structure of square tube welding, and a buffer is provided at the contact end between the column frame 1 and the cargo platform 3 to prevent a hard collision between the column frame 1 and the cargo platform 3 .

[0038] Preferably, in this embodiment, each second guide wheel 52 is provided with a roller on its side, and the second guide wheel 52 presses the roller to the inner wall of the rib plate of the third guide rail 43 to avoid interference between the second guide wheel 52 and the third guide rail 43 .

[0039] For better, see the attached Figure 1 , Attachment Figure 2 , Attachment Figure 5 and attached Figure 6As shown, in this embodiment, the upper cover of the lifting sprocket 23 is provided with a dust cover 26, and the lifting sprocket 23 is provided with a baffle 25 used in conjunction with the chain 24. The baffle 25 ensures that the chain 24 does not separate from the lifting sprocket 23, and the dust cover 26 ensures that the lifting sprocket 23 has a good working environment.

[0040] Preferably, friction plates are provided on both sides of the counterweight 7 in this embodiment to avoid hard friction between the counterweight 7 and the slideway 8. The counterweight 7 is used to balance the load and to straighten the chain 24 to prevent the chain 24 from stacking.

[0041] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A hoist capable of storing and retrieving goods at ultra-low positions, characterized in that: include: A column frame, which is set on the ground; A slideway is arranged on the column frame along the vertical direction, and a counterweight block is arranged in the slideway; A cargo platform, which is arranged on the side of the column frame, the cargo platform is suspended, and a telescopic fork is arranged on the cargo platform; A guide rail assembly is arranged on the column frame along the vertical direction; A guide wheel assembly, which is arranged on the guide rail assembly, wherein the guide wheel assembly and the guide rail assembly are in rolling cooperation, and the cargo platform and the guide rail assembly are in sliding cooperation through the guide wheel assembly; A lifting assembly is used to connect the cargo platform and the counterweight block, and the lifting assembly drives the cargo platform to perform reciprocating motion in the vertical direction.

2. The elevator capable of realizing ultra-low cargo storage and retrieval according to claim 1, characterized in that: The lifting assembly includes a driving motor, a transmission shaft, a lifting sprocket and a chain, and the driving motor is arranged on the column frame; two belt seat bearings are provided on the top of the guide rail assembly, one end of the transmission shaft is rotatably connected to the driving motor, and the other end passes through the two belt seat bearings in sequence; the lifting sprocket includes a first lifting sprocket and a second lifting sprocket, the first lifting sprocket and the second lifting sprocket are arranged between the two belt seat bearings, and the first lifting sprocket and the second lifting sprocket are sleeved on the transmission shaft; the first lifting sprocket and the second lifting sprocket are both provided with the chain, one end of the chain is connected to the cargo platform through a chain pull rod, and the other end is connected to the counterweight block.

3. The elevator capable of storing and retrieving goods at ultra-low positions according to claim 1, characterized in that: A buffer is provided at the contact end between the column frame and the cargo platform.

4. The elevator capable of storing and retrieving goods at ultra-low positions according to claim 1, characterized in that: The bottom of the column frame is fixedly connected to the ground through a plurality of chemical anchor bolts.

5. The elevator capable of storing and retrieving goods at ultra-low positions according to claim 1, characterized in that: The guide rail assembly includes a first guide rail, a second guide rail and a third guide rail, the first guide rail, the second guide rail and the third guide rail are all C-shaped opening structures, and the first guide rail, the second guide rail and the third guide rail are all arranged close to the frame wall of the column frame; the first guide rail opening and the second guide rail opening are respectively located on both sides of the interior of the column frame, the first guide rail opening and the second guide rail opening are opposite to each other, and the first guide rail opening and the second guide rail opening are both facing the inner side of the column frame; the third guide rail is located between the first guide rail and the second guide rail, and the third guide rail opening faces the cargo platform.

6. The elevator capable of storing and retrieving goods at ultra-low positions according to claim 5, characterized in that: The guide wheel assembly includes six first guide wheels and two second guide wheels. Two first guide wheels are respectively provided on the first guide rail, the second guide rail and the third guide rail. The first guide rail, the second guide rail and the third guide rail are respectively in rolling cooperation with the first guide wheels; two second guide wheels are arranged on the third guide rail, and each second guide wheel is in rolling cooperation with the third guide rail.

7. The elevator capable of storing and retrieving goods at ultra-low positions according to claim 6, characterized in that: A roller is provided on the side of each of the second guide wheels, and the second guide wheels press the roller to the inner wall of the rib plate of the third guide rail.

8. The elevator capable of storing and retrieving goods at ultra-low positions according to claim 2, characterized in that: The upper cover of the lifting sprocket is provided with a dust cover, and the lifting sprocket is provided with a baffle used in conjunction with the chain.

9. The elevator capable of storing and retrieving goods at ultra-low positions according to claim 1, characterized in that: Friction plates are arranged on both sides of the counterweight.

10. The elevator capable of storing and retrieving goods at ultra-low positions according to claim 1, characterized in that: The column frame is a triangular frame.

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