Double-drive elevator

Abstract

The utility model provides a double-drive hoister which comprises a main body support, a cargo carrying table, a left drive assembly and a right drive assembly, the cargo carrying table is installed in the main body support in a sliding mode, and the sliding direction of the cargo carrying table is perpendicular to the direction of the horizontal plane. The left driving assembly and the right driving assembly are both installed on the main body support in a combined mode, the left driving assembly and the right driving assembly are in transmission connection with the two sides of the cargo carrying table respectively, and the left driving assembly and the right driving assembly are both of a driving structure in which a motor is combined with a balance weight. According to the double-drive elevator, a double-counterweight suspension type structure is adopted to drive the cargo carrying table to move up and down, the ground pressure is more balanced, the overall structure is more stable, the ground bearing requirement is lower, and the building cost is lower; the double-drive elevator is driven in a balance mode through the balance weight, the requirement for the working torque of the motor is lower, the motor with small power can be adopted, and the production cost is lower.

Description

Technical Field

[0001] This utility model relates to the technical field of logistics and warehousing equipment, and more specifically to a dual-drive hoist. Background Technology

[0002] With the increasing popularity of air travel, higher demands are being placed on the efficiency and reliability of airport logistics. Simultaneously, with the continuous advancement of logistics warehousing technology, the adoption rate of automated warehouses (AS / RS) is gradually increasing, making them an important component of airport logistics. Hoists are the core equipment of AS / RS, primarily used for vertical or inclined material transport. They typically employ powered machinery to move flexible components and transported goods up and down to achieve their transport function. To ensure a satisfactory cargo experience for passengers, high requirements are placed on the stability, safety, and cleanliness of the hoists.

[0003] Currently, the hoists commonly used in airport automated warehouses mostly employ a single counterweight structure, driven by either wire rope traction or sprocket and chain transmission. Those using wire rope traction are simply called traction hoists, while those using sprocket and chain transmission are called chain hoists. Both single-counterweight traction hoists and chain hoists can lead to uneven stress on the ground, thus requiring higher ground load-bearing capacity. Furthermore, the transmission structure of traction hoists is prone to slippage, resulting in faster wear and potentially affecting efficiency and safety; chain hoists, on the other hand, generate more noise, and the chain lubricant can easily contaminate goods, impacting the freight experience.

[0004] In summary, there is a need in this field for a hoist that can reduce ground load requirements, has a safer and more stable structure, is less prone to slippage, and does not contaminate goods. Utility Model Content

[0005] In view of this, the purpose of this utility model is to provide a dual-drive hoist that uses a dual counterweight drive structure to drive the loading platform to move up and down, thereby improving the overall structural stability, reducing the ground bearing requirements, avoiding slippage, and improving transmission efficiency.

[0006] To achieve the above objectives, this utility model provides a dual-drive hoist, including a main support frame, a loading platform, a left drive assembly, and a right drive assembly. The loading platform is slidably installed in the main support frame, and the sliding direction of the loading platform is perpendicular to the horizontal plane. The left drive assembly and the right drive assembly are both installed in conjunction with the main support frame, and the left drive assembly and the right drive assembly are respectively connected to the two sides of the loading platform. Both the left drive assembly and the right drive assembly adopt a drive structure of motor combined with counterweight.

[0007] Preferably, the main support consists of four columns and several crossbeams. The columns are arranged perpendicular to the horizontal plane, and the columns are connected to each other by several crossbeams. A set of loading platform guide rails is installed on the main support. The loading platform guide rails are located on opposite sides of the loading platform. The loading platform guide rails are fixedly connected to several crossbeams, and the loading platform is slidably connected to two of the loading platform guide rails.

[0008] Preferably, the left drive assembly includes a left motor, a left synchronous belt, a left synchronous pulley, and a left counterweight. The left motor and the left synchronous pulley are both installed in conjunction with the crossbeam at the top of the main support. The left motor is connected to the left synchronous pulley for transmission. The left synchronous belt has a toothed structure on its inner side. The left synchronous belt is arranged around the left synchronous pulley through the toothed structure on its inner side. The two ends of the left synchronous pulley are respectively connected to the loading platform and the left counterweight.

[0009] Preferably, a tensioning device is provided at the top of the left synchronous belt guide pulley and is installed in conjunction with the crossbeam. The bottom of the tensioning device has a plurality of guide pulleys that contact the left synchronous belt from the top, and the left synchronous belt is clamped between the left synchronous belt guide pulley and the plurality of guide pulleys.

[0010] Preferably, several left counterweight guide wheels are installed on both sides of the left counterweight, and several counterweight guide rails that cooperate with the left counterweight guide wheels are installed on the main support. The counterweight guide rails are installed in conjunction with the column and the crossbeam.

[0011] Preferably, the right drive assembly includes a right motor, a right synchronous belt, a right synchronous pulley, and a right counterweight. The right motor and the right synchronous pulley are both installed in conjunction with the crossbeam at the top of the main support. The right motor is connected to the right synchronous pulley for transmission. The right synchronous belt has a toothed structure on its inner side. The right synchronous belt is arranged around the right synchronous pulley through the toothed structure on its inner side. The two ends of the right synchronous pulley are respectively connected to the loading platform and the right counterweight.

[0012] Preferably, a tensioning device is provided at the top of the right synchronous belt guide pulley and is installed in conjunction with the crossbeam. The bottom of the tensioning device has a plurality of guide pulleys that contact the right synchronous belt from the top, and the right synchronous belt is clamped between the right synchronous belt guide pulley and the plurality of guide pulleys.

[0013] Preferably, several right counterweight guide wheels are installed on both sides of the right counterweight, and several counterweight guide rails that cooperate with the right counterweight guide wheels are installed on the main support. The counterweight guide rails are installed in conjunction with the column and the crossbeam.

[0014] Preferably, maintenance platforms are installed at the positions where the left drive assembly and the right drive assembly are installed on the top sides of the main support, and the maintenance platforms are installed in conjunction with the column.

[0015] Preferably, connectors are installed on opposite sides of the loading platform, which are respectively connected to the left drive assembly and the right drive assembly. Loading platform guide wheel assemblies are installed on the connectors, and the loading platform guide wheel assemblies are slidably connected to the loading platform guide rail. The loading platform guide wheel assembly includes a plurality of loading platform guide wheels that are rotatably connected to the connectors, and the loading platform guide wheels are in contact with the loading platform guide rail. A protective net is provided on the outside of the loading platform guide wheels and is installed in conjunction with the connectors.

[0016] Compared with the prior art, the advantages of the dual-drive hoist disclosed in this utility model are as follows: the dual-drive hoist adopts a double-counterweight suspension structure to drive the loading platform to move up and down, which makes the ground pressure more balanced, the overall structure more stable, the ground bearing capacity requirement lower, and the construction cost lower; the dual-drive hoist uses counterweight balance drive, which requires less motor working torque, and can use a smaller power motor, resulting in lower production cost; the dual-drive hoist uses synchronous belt drive, which can prevent slippage and oil stains from contaminating the goods during operation, improving operating efficiency and safety, and improving the freight experience. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] like Figure 1 The diagram shown is a structural schematic of a dual-drive hoist according to this application.

[0019] like Figure 2 As shown Figure 1 Enlarged schematic diagram of the middle part of the structure.

[0020] like Figure 3 The diagram shown is a partial structural schematic of the drive assembly and cargo platform of a dual-drive hoist according to this application.

[0021] like Figure 4 As shown Figure 3 Enlarged schematic diagram of the middle part of the structure.

[0022] like Figure 5 As shown Figure 3 A schematic diagram of the left-center counterweight.

[0023] like Figure 6 As shown Figure 3 Enlarged schematic diagram of part of the structure of the loading platform.

[0024] like Figure 7 As shown Figure 3 Enlarged schematic diagram of part of the structure of the loading platform. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] like Figure 1 and Figure 2 As shown, this application discloses a dual-drive hoist, comprising a main support frame 1, a loading platform 2, a left drive assembly 31, and a right drive assembly 32. The loading platform 2 is slidably installed in the main support frame 1, and the sliding direction of the loading platform 2 is perpendicular to the horizontal plane. Both the left drive assembly 31 and the right drive assembly 32 are installed in conjunction with the main support frame 1, and are respectively connected to the two sides of the loading platform 2. Both the left drive assembly 31 and the right drive assembly 32 adopt a drive structure combining a motor and a counterweight. The dual-drive hoist uses a double-counterweight suspension structure to drive the loading platform to move up and down, resulting in more balanced ground pressure, a more stable overall structure, lower ground load requirements, and lower construction costs.

[0027] The main support frame 1 consists of four uprights 10 and several crossbeams 11. The uprights 10 are set perpendicular to the horizontal plane, and the uprights 10 are connected to each other by several crossbeams 11. A set of loading platform guide rails 12 are installed on the main support frame 1. The loading platform guide rails 12 are located on opposite sides of the loading platform 2. The loading platform guide rails 12 are fixedly connected to several crossbeams 11, and the loading platform 2 is slidably connected to two loading platform guide rails 12.

[0028] See Figure 2Maintenance platforms 14 are installed on the top sides of the main support frame 1, where the left drive assembly 31 and the right drive assembly 32 are mounted. The maintenance platforms 14 are integrated with the columns 10 for convenient maintenance work. To facilitate access to the maintenance platforms 14, ladders 141 are installed on their sides, integrated with both the platforms and columns 10. Maintenance devices 15 are installed on the crossbeams 11 at the top of the main support frame 1. These devices are located on top of the left drive assembly 31 and the right drive assembly 32, allowing workers to easily and quickly perform maintenance and replacement operations once they reach the maintenance platforms 14.

[0029] See Figures 3 to 5 The left drive assembly 31 includes a left motor 310, a left synchronous belt 311, a left synchronous pulley 312, and a left counterweight 313. Both the left motor 310 and the left synchronous pulley 312 are mounted to the crossbeam 11 at the top of the main support 1. The left motor 310 is connected to the left synchronous pulley 312 via a transmission connection. The left synchronous belt 311 has a toothed structure on its inner side and is arranged around the left synchronous pulley 312 through this toothed structure. The two ends of the left synchronous pulley 312 are connected to the loading platform 2 and the left counterweight 313, respectively. When the left motor 310 drives the left synchronous pulley 312 to rotate, it causes the loading platform 2 to rise. The power required by the left motor 310 can be significantly reduced under the action of the left counterweight 313.

[0030] Specifically, the left motor 310 is mounted to the crossbeam 11 via the left motor mounting bracket 3100, and the left synchronous pulley 312 is mounted to the main support 1 via the left synchronous pulley bearing seat 3120. A tensioning device 3121, which is mounted to the crossbeam 11, is provided at the top of the left synchronous pulley 312. The bottom of the tensioning device 3121 has several guide rollers 3122 that contact the left synchronous belt 311 from the top. The left synchronous belt 311 is clamped between the left synchronous pulley 312 and the guide rollers 3122 to prevent slippage and avoid slippage.

[0031] Several left counterweight guide wheels 314 are installed on both sides of the left counterweight 313. Several counterweight guide rails 13 that cooperate with the left counterweight guide wheels 314 are installed on the main support 1. The counterweight guide rails 13 are connected to the column 10 and the crossbeam 11. Through the connection between the left counterweight guide wheels 314 and the counterweight guide rails 13, the left counterweight 313 can be guided to move along a fixed trajectory.

[0032] The right drive assembly 32 includes a right motor 320, a right synchronous belt 321, a right synchronous pulley 322, and a right counterweight 323. Both the right motor 320 and the right synchronous pulley 322 are mounted to the crossbeam 11 at the top of the main support 1. The right motor 320 is connected to the right synchronous pulley 322 via a transmission connection. The right synchronous belt 321 has a toothed structure on its inner side and is arranged around the right synchronous pulley 322 through this toothed structure. Both ends of the right synchronous pulley 322 are connected to the loading platform 2 and the right counterweight 323, respectively. When the right motor 320 drives the right synchronous pulley 322 to rotate, it causes the loading platform 2 to rise. The right counterweight 323 significantly reduces the power required by the right motor 320.

[0033] Specifically, the right motor 320 is mounted to the crossbeam 11 via a right motor mounting bracket, and the right synchronous pulley 322 is mounted to the main support 1 via a right synchronous pulley bearing housing. A tensioning device, which is mounted to the crossbeam 11, is installed at the top of the right synchronous pulley 322. The bottom of the tensioning device has several guide pulleys that contact the right synchronous belt 321 from the top. The right synchronous belt 321 is clamped between the right synchronous pulley 322 and the guide pulleys to prevent slippage and avoid slippage.

[0034] Several right counterweight guide wheels are installed on both sides of the right counterweight 323. Several counterweight guide rails 13 that cooperate with the right counterweight guide wheels are installed on the main support 1. The counterweight guide rails 13 are connected to the column 10 and the crossbeam 11. Through the connection between the right counterweight guide wheels and the counterweight guide rails 13, the right counterweight 323 can be guided to move along a fixed trajectory.

[0035] The dual-drive hoist uses a counterweight-balanced drive, which requires lower motor torque and allows for the use of smaller power motors, resulting in lower production costs. The hoist employs a synchronous belt drive, preventing slippage and oil contamination of goods during operation, thus improving operational efficiency and safety, and enhancing the freight experience.

[0036] See Figure 6 and Figure 7 On opposite sides of the loading platform 2, connectors 21 are installed that are connected to the left drive assembly 31 and the right drive assembly 32 respectively. Loading platform guide wheel assemblies 22 are installed on the connectors 21, and the loading platform guide wheel assemblies 22 are slidably connected to the loading platform guide rail 12.

[0037] The loading platform guide wheel assembly 22 includes several loading platform guide wheels 221 that are rotatably connected to the connector 21. The loading platform guide wheels 221 contact the loading platform guide rail 12. Furthermore, a protective net 222 is provided on the outside of the loading platform guide wheels 221 and is installed in conjunction with the connector 21 to prevent external debris from entering and causing the loading platform guide wheels 221 to jam, thereby improving safety and reducing the failure rate.

[0038] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily 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 is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A dual-drive hoist, characterized in that, The device includes a main support frame, a loading platform, a left drive assembly, and a right drive assembly. The loading platform is slidably installed in the main support frame, and the sliding direction of the loading platform is perpendicular to the horizontal plane. The left drive assembly and the right drive assembly are both installed in conjunction with the main support frame, and the left drive assembly and the right drive assembly are respectively connected to the two sides of the loading platform. The left drive assembly and the right drive assembly both adopt a drive structure of motor combined with counterweight.

2. The dual-drive hoist as described in claim 1, characterized in that, The main support consists of four columns and several crossbeams. The columns are set perpendicular to the horizontal plane and are connected to each other by several crossbeams. A set of loading platform guide rails is installed on the main support. The loading platform guide rails are located on opposite sides of the loading platform. The loading platform guide rails are fixedly connected to several crossbeams, and the loading platform is slidably connected to two of the loading platform guide rails.

3. The dual-drive hoist as described in claim 2, characterized in that, The left drive assembly includes a left motor, a left synchronous belt, a left synchronous pulley, and a left counterweight. The left motor and the left synchronous pulley are both installed in conjunction with the crossbeam at the top of the main support. The left motor is connected to the left synchronous pulley for transmission. The left synchronous belt has a toothed structure on its inner side. The left synchronous belt is arranged around the left synchronous pulley through the toothed structure on its inner side. The two ends of the left synchronous pulley are respectively connected to the loading platform and the left counterweight.

4. The dual-drive hoist as described in claim 3, characterized in that, The left synchronous belt guide pulley is provided with a tensioning device at its top, which is installed in conjunction with the crossbeam. The bottom of the tensioning device has several guide pulleys that contact the left synchronous belt from the top, and the left synchronous belt is clamped between the left synchronous belt guide pulley and the several guide pulleys.

5. The dual-drive hoist as described in claim 3, characterized in that, Several left counterweight guide wheels are installed on both sides of the left counterweight, and several counterweight guide rails that cooperate with the left counterweight guide wheels are installed on the main support. The counterweight guide rails are installed in conjunction with the column and the crossbeam.

6. The dual-drive hoist as described in claim 2, characterized in that, The right drive assembly includes a right motor, a right synchronous belt, a right synchronous pulley, and a right counterweight. The right motor and the right synchronous pulley are both installed in conjunction with the crossbeam at the top of the main support. The right motor is connected to the right synchronous pulley for transmission. The right synchronous belt has a toothed structure on its inner side. The right synchronous belt is arranged around the right synchronous pulley through the toothed structure on its inner side. The two ends of the right synchronous pulley are respectively connected to the loading platform and the right counterweight.

7. The dual-drive hoist as described in claim 6, characterized in that, The right synchronous belt guide pulley is provided with a tensioning device at its top, which is installed in conjunction with the crossbeam. The bottom of the tensioning device has several guide pulleys that contact the right synchronous belt from the top, and the right synchronous belt is clamped between the right synchronous belt guide pulley and the several guide pulleys.

8. The dual-drive hoist as described in claim 6, characterized in that, Several right counterweight guide wheels are installed on both sides of the right counterweight, and several counterweight guide rails that cooperate with the right counterweight guide wheels are installed on the main support. The counterweight guide rails are installed in conjunction with the column and the crossbeam.

9. The dual-drive hoist as described in claim 2, characterized in that, Maintenance platforms are installed at the locations where the left drive assembly and the right drive assembly are installed on the top sides of the main support, and the maintenance platforms are installed in conjunction with the columns.

10. The dual-drive hoist as described in claim 2, characterized in that, Connectors are installed on opposite sides of the loading platform, respectively, and are connected to the left drive assembly and the right drive assembly. Loading platform guide wheel assemblies are installed on the connectors, and the loading platform guide wheel assemblies are slidably connected to the loading platform guide rail. The loading platform guide wheel assembly includes a plurality of loading platform guide wheels that are rotatably connected to the connectors, and the loading platform guide wheels are in contact with the loading platform guide rail. A protective net is provided on the outside of the loading platform guide wheels and is installed in conjunction with the connectors.

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