Balanced lifting hydraulic cargo elevator

Abstract

The utility model discloses a balanced lifting hydraulic cargo elevator, which relates to the field of hydraulic cargo elevators and comprises a top frame, supporting columns are vertically arranged at four corners of the top frame, guide rails are respectively arranged on opposite surfaces of the supporting columns, a lifting plate is arranged between the two guide rails in a sliding manner, and a chain wheel seat is mounted at the top of the lifting plate. The bottom of the lifting plate is connected with the output end of the hydraulic rod, a fixing plate is arranged between the two supporting columns on each side of the top frame and fixedly connected with one end of a chain, the other end of the chain is connected with the lift car, and a balance lifting assembly is arranged at the bottom of the lift car. According to the design scheme, the hydraulic rod drives the lifting plate to ascend and descend, the chain wheel bases at the top of the lifting plate rotate synchronously, the chains on the two sides of the lift car lift the lift car synchronously, lifting stability is enhanced, the multiple sets of links arranged at the bottom of the lift car in pairs and the balance chains arranged alternately provide bottom support for lifting of the lift car, the lift car runs stably, and the lifting efficiency is improved. And the lift car is prevented from falling suddenly, lifting of the lift car is stable, and safety is high.

Description

Technical Field

[0001] This utility model relates to the field of hydraulic freight elevators, and in particular to a hydraulic freight elevator with balanced lifting. Background Technology

[0002] Hydraulic freight elevators are a common type of lifting and transportation tool. They generally include a lifting frame, a lifting platform, a hydraulic lifting assembly, and a control mechanism that controls the lifting of the hydraulic lifting assembly. When transporting goods, the lifting platform is raised to a designated height and then stopped by manually setting a stroke, allowing workers to load and unload goods. However, in actual use, existing hydraulic freight elevators have a simple structure and suffer from poor operational stability and difficulty in ensuring safety. Utility Model Content

[0003] In order to overcome the above-mentioned defects in the prior art, this utility model provides a hydraulic freight elevator with balanced lifting.

[0004] The technical solution adopted by this utility model to solve its technical problem is: a balanced lifting hydraulic freight elevator, including a top frame, with support columns vertically arranged at the four corners of the top frame, and guide rails respectively provided on the opposite surfaces of the two support columns on each side of the top frame, with a lifting plate slidably arranged between the two guide rails, a sprocket seat installed on the top of the lifting plate, and the bottom of the lifting plate connected to the output end of a hydraulic rod through multiple connecting seats, with multiple sets of hydraulic rods arranged vertically, and a fixing plate provided between the two support columns on each side of the top frame, with the fixing plate fixedly connected to one end of a chain, and the other end of the chain connected to the car through the sprocket seat, and a balanced lifting assembly provided at the bottom of the car.

[0005] Furthermore, the balance lifting assembly includes a horizontally arranged cover, with sprockets rotatably mounted on both sides of the cover, and a balance chain connected to the sprockets. One end of the balance chain is fixedly connected to the bottom of a support column on one side of the car, and after meshing with the top of a sprocket on one side of the cover and the bottom of a sprocket on the other side, the other end is fixedly connected to the top of a support column on the other side of the car.

[0006] Furthermore, two sets of sprockets are provided in the cover, and the two sets of sprockets are arranged in opposite directions to the balance chain. The cover is arranged in pairs at the bottom of the car.

[0007] Furthermore, the sprocket seats are connected by a connecting rod.

[0008] Furthermore, the bottom of the lifting plate is provided with a steering seat, and the steering seat is provided with an auxiliary chain. The two ends of the auxiliary chain are respectively fixedly connected to the fixed plate and the connecting seat on the car.

[0009] Furthermore, an anti-fall cylinder is provided at the bottom of the car, and the output end of the anti-fall cylinder is connected to a limiting block.

[0010] Furthermore, the hydraulic rod is mounted on a fixed frame between the support columns.

[0011] The beneficial effects of this utility model are as follows: the design scheme uses a hydraulic rod to drive the lifting plate to rise and fall. The two ends of the lifting plate slide smoothly in the guide rails of the two support columns. The lifting plate drives the car to rise and fall through the chain. The sprocket seat at the top of the lifting plate rotates synchronously, so that the chains on both sides of the car lift the car synchronously, enhancing the stability of the lifting. The multiple sets of links arranged in pairs and the alternating balance chains at the bottom of the car provide bottom support for the lifting of the car, making its operation smooth and preventing the car from falling suddenly. The auxiliary chain provides assistance for the chain to lift the car, and the anti-fall cylinder provides safety protection for the car. The lifting of the car in the hydraulic freight elevator is smooth and safe. Attached Figure Description

[0012] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0013] Figure 1 This is a front view of the present invention;

[0014] Figure 2 This is a side view of the present invention;

[0015] Figure 3 This is a schematic diagram of the internal structure of the casing of this utility model;

[0016] Figure 4 This is a side view of the casing of this utility model;

[0017] Figure 5 This is a bottom view of the car of this utility model.

[0018] In the diagram: 1. Top frame, 2. Support column, 3. Guide rail, 4. Lifting plate, 5. Sprocket seat, 6. Connecting seat, 7. Hydraulic rod, 8. Fixing plate, 9. Chain, 10. Car, 11. Cover, 12. Sprocket, 13. Balance chain, 14. Connecting rod, 15. Steering seat, 16. Auxiliary chain, 17. Anti-fall cylinder, 18. Fixing frame. Detailed Implementation

[0019] To more clearly illustrate the technical solution of this utility model, the following description is made in conjunction with the accompanying drawings. Obviously, the drawings described below are only one embodiment of this utility model. For those skilled in the art, other embodiments can be obtained based on these drawings and embodiments without creative effort, and all of them fall within the protection scope of this utility model.

[0020] like Figures 1 to 5As shown, a balanced lifting hydraulic freight elevator includes a top frame 1. Support columns 2 are vertically installed at the four corners of the top frame 1, and are fixedly connected to the wall at their bottoms. Guide rails 3 are respectively provided on the opposite surfaces of the two support columns 2 on each side of the top frame 1. A lifting plate 4 is slidably installed between the two guide rails 3. A sprocket seat 5 is installed on the top of the lifting plate 4. The bottom of the lifting plate 4 is connected to the output end of a hydraulic rod 7 via multiple connecting seats 6. Multiple sets of hydraulic rods 7 are vertically installed, and the hydraulic rods 7 drive the lifting plate 4 to rise and fall. The two ends of the lifting plate 4 slide smoothly in the guide rails 3 of the two support columns 2. A fixing plate 8 is provided between the two support columns 2 on each side of the top frame 1. The fixing plate 8 is fixedly connected to one end of a chain 9, and the other end of the chain 9 is connected to a car 10 via the sprocket seat 5. The smoothly rising and falling lifting plate 4 drives the car 10 to rise and fall via the chain 9. A balanced lifting assembly is provided at the bottom of the car 10.

[0021] The balancing lifting assembly includes a horizontally arranged cover 11. Sprockets 12 are rotatably mounted on both sides of the cover 11. Balance chains 13 are connected to the sprockets 12. One end of the balance chain 13 is fixedly connected to the bottom of a support column 2 on one side of the car 10. After meshing with the top of the sprocket 12 on one side of the cover 11 and the bottom of the sprocket 12 on the other side, the other end is fixedly connected to the top of the support column 2 on the other side of the car 10. Two sets of sprockets 12 are arranged in the cover 11. The two sets of sprockets 12 are arranged in opposite directions to the balance chains 13. The cover 11 is arranged in pairs at the bottom of the car 10. The multiple sets of chains 12 and the alternately arranged balance chains 13 provide bottom support for the lifting of the car 10, making it run smoothly and preventing the car 10 from falling suddenly.

[0022] The sprocket seats 5 are connected by a connecting rod 14. The two sprocket seats 5 rotate synchronously, so that the chains 9 on both sides of the car 10 lift the car 10 synchronously, thereby enhancing the stability of the lifting.

[0023] The bottom of the lifting plate 4 is provided with a steering seat 15, and the steering seat 15 is provided with an auxiliary chain 16. The two ends of the auxiliary chain 16 are fixedly connected to the fixed plate 8 and the connecting seat 6 on the car 10, respectively, to provide assistance for the chain 9 to lift the car 10.

[0024] The bottom of the car 10 is equipped with an anti-fall cylinder 17. The output end of the anti-fall cylinder 17 is connected to a limiting block. The limiting block matches the limiting groove on one side of the support column 2 to provide safety protection for the car 10 and prevent it from falling.

[0025] The hydraulic rod 7 is installed on the fixing frame 18 between the support columns 2.

[0026] In use, the hydraulic rod 7 drives the lifting plate 4 to rise and fall. The two ends of the lifting plate 4 slide smoothly in the guide rails 3 of the two support columns 2. The lifting plate 4 drives the car 10 to rise and fall through the chain 9. The sprocket seat 5 at the top of the lifting plate 4 rotates synchronously, so that the chains 9 on both sides of the car 10 lift the car 10 synchronously, enhancing the stability of the lifting. The multiple sets of links 12 arranged in pairs and the alternating balance chains 13 at the bottom of the car 10 provide bottom support for the lifting and falling of the car 10, making it run smoothly and preventing the car 10 from falling suddenly. The auxiliary chain 16 provides assistance to the chain 9 in lifting the car 10. The anti-fall cylinder 17 provides safety protection for the car 10. The lifting and falling of the car 10 in the hydraulic freight elevator is stable and highly safe.

[0027] The above embodiments are merely exemplary embodiments of this utility model and are not intended to limit this utility model. The scope of protection of this utility model is defined by the claims. Those skilled in the art can make various modifications or equivalent substitutions to this utility model within its substance and scope of protection, and such modifications or equivalent substitutions should also be considered to fall within the scope of protection of this utility model.

Claims

1. A hydraulic freight elevator with balanced lifting, comprising a top frame (1), characterized in that: The top frame (1) has vertical support columns (2) at its four corners. Each side of the top frame (1) has two support columns (2) with guide rails (3) on their opposite surfaces. A lifting plate (4) is slidably arranged between the two guide rails (3). A sprocket seat (5) is installed on the top of the lifting plate (4). The bottom of the lifting plate (4) is connected to the output end of a hydraulic rod (7) through multiple connecting seats (6). Multiple sets of hydraulic rods (7) are vertically arranged. A fixing plate (8) is provided between the two support columns (2) on each side of the top frame (1). The fixing plate (8) is fixedly connected to one end of a chain (9). The other end of the chain (9) is connected to the car (10) through the sprocket seat (5). A balance lifting assembly is provided at the bottom of the car (10).

2. The hydraulic freight elevator with balanced lifting according to claim 1, characterized in that, The balance lifting assembly includes a horizontally arranged cover (11), on both sides of the cover (11) are rotatably mounted sprockets (12), and a balance chain (13) is connected to the sprockets (12). One end of the balance chain (13) is fixedly connected to the bottom of the support column (2) on one side of the car (10), and after meshing with the top of the sprocket (12) on one side of the cover (11) and the bottom of the sprocket (12) on the other side, the other end is fixedly connected to the top of the support column (2) on the other side of the car (10).

3. A balanced lifting hydraulic freight elevator according to claim 2, characterized in that, Two sets of sprockets (12) are provided in the cover (11), and the two sets of sprockets (12) are arranged in opposite directions to the balance chain (13). The cover (11) is arranged in pairs at the bottom of the car (10).

4. A balanced lifting hydraulic freight elevator according to claim 1, characterized in that, The sprocket seats (5) are connected by a connecting rod (14).

5. A hydraulic freight elevator with balanced lifting as described in claim 1, characterized in that, The bottom of the lifting plate (4) is provided with a steering seat (15), and the steering seat (15) is provided with an auxiliary chain (16). The two ends of the auxiliary chain (16) are fixedly connected to the connecting seat (6) on the fixed plate (8) and the car (10), respectively.

6. A hydraulic freight elevator with balanced lifting as described in claim 1, characterized in that, The bottom of the car (10) is provided with an anti-fall cylinder (17), and the output end of the anti-fall cylinder (17) is connected to a limit block.

7. A balanced lifting hydraulic freight elevator according to claim 1, characterized in that, The hydraulic rod (7) is mounted on the fixing frame (18) between the support columns (2).

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