CN216071744U

CN216071744U - Passive tensioning device

Info

Publication number: CN216071744U
Application number: CN202122172554.8U
Authority: CN
Inventors: 郑培仪
Original assignee: Shanghai Sanhe Garment Logistics Equipment Manufacturing Co ltd
Current assignee: Shanghai Sanhe Garment Logistics Equipment Manufacturing Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-03-18
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a passive tensioning device, wherein a fixed seat frame which is transversely distributed is arranged at a host bracket, a tensioning slide block is arranged below the fixed seat frame, a spring base is arranged at the upper edge of the tensioning slide block, a pressure spring screw rod is arranged between the spring base and the fixed seat frame, a pressure spring is sleeved at the pressure spring screw rod, the upper end of the pressure spring is propped against the lower edge of the fixed seat frame, the lower end of the pressure spring is propped against the upper edge of the spring base, a bearing seat is arranged at the tensioning slide block, a bearing is arranged in the bearing seat, the tensioning slide block is connected with a driven shaft of a driven gear through the bearing of the bearing seat, and sliding chutes matched with the tensioning slide block are arranged at the inner walls at two sides of the host bracket. The driven wheel is installed on the tensioning slide block, the tensioning slide block is movably matched with the main machine support, the tightness of the conveying chain can be automatically adjusted along with the weight change of goods, the whole framework is simple, the practicability is high, the maintenance cost is low, and the working state is stable.

Description

Passive tensioning device

Technical Field

The utility model relates to the technical field of logistics conveying system schemes, in particular to a driven wheel tensioning device for a vertical lifting conveying system, and particularly relates to a mechanical connecting structure of the driven wheel tensioning device.

Background

In order to improve the efficiency of duplex conveying, adopt perpendicular conveying system can effectively promote duplex conveying efficiency, the system utilizes the action wheel, the follower that are located upper and lower both ends and carry the chain to realize the upper and lower circulation of goods and carry, and the action wheel is by motor drive, because this transfer chain has a take the altitude, and drive chain can increase when the operation, so need exert certain tension to the follower for the elasticity of self-regulation transport chain.

Disclosure of Invention

The utility model aims to provide a passive tensioning device which is suitable for a vertical logistics conveying system. Overcomes the defects in the prior art.

In order to achieve the purpose, the technical scheme of the utility model is as follows: the passive tensioning device comprises a host support which is longitudinally distributed, a driven gear is arranged at the lower end of the host support, a fixed seat frame which is transversely distributed is arranged at the host support, a tensioning sliding block is arranged below the fixed seat frame, a spring base is arranged at the upper edge of the tensioning sliding block, a pressure spring screw rod is arranged between the spring base and the fixed seat frame, a pressure spring is sleeved at the pressure spring screw rod, the upper end of the pressure spring abuts against the lower edge of the fixed seat frame, the lower end of the pressure spring abuts against the upper edge of the spring base, damping rubber rings are sleeved at the pressure spring screw rods at the upper end and the lower end of the pressure spring, a bearing seat is arranged at the tensioning sliding block, a bearing is arranged in the bearing seat, the tensioning sliding block is connected with the driven shaft of the driven gear through a bearing of the bearing seat, and sliding chutes matched with the tensioning sliding block are arranged at the inner walls of two sides of the host support.

The utility model discloses a passive tensioning device which is suitable for a vertical circulating conveying chain system. During transmission, due to the fact that the goods are weighted, the driven wheel is installed on the tensioning sliding block, the tensioning sliding block is movably matched with the main machine support, the tightness of the conveying chain can be automatically adjusted along with the change of the weight of the goods, the whole framework is simple, the practicability is high, the maintenance cost is low, and the working state is stable.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic structural diagram of an embodiment of the present invention.

Detailed Description

The utility model will be further described with reference to the accompanying drawings.

The utility model discloses a passive tensioning device, which is different from the prior art in that: the tension device comprises a host support 1 which is longitudinally distributed, a driven gear 2 is arranged at the lower end of the host support 1, a fixed seat frame 3 which is transversely distributed is arranged at the position of the host support 1, a tension slider 4 is arranged below the fixed seat frame 3, a spring base 5 is arranged at the upper edge of the tension slider 4, a pressure spring screw 6 is arranged between the spring base 5 and the fixed seat frame 3, a pressure spring 7 is sleeved at the position of the pressure spring screw 6, the upper end of the pressure spring 7 props against the lower edge of the fixed seat frame 3, the lower end of the pressure spring 7 props against the upper edge of the spring base 5, damping rubber rings 8 are sleeved at the positions of the pressure spring screws 6 at the upper end and the lower end of the pressure spring 7, a bearing seat 9 is arranged at the position of the tension slider 4, a bearing is arranged in the bearing seat 9, the tension slider 4 is connected with a driven shaft 10 of the driven gear 2 through the bearing of the bearing seat 9, and chutes 16 which are matched with the tension slider 4 are arranged at the inner walls at the two sides of the host support 1. The tensioning slide block 4 can slide in the sliding groove 16 under the action of the pressure spring.

In specific implementation, two ends of the fixed seat frame 3 are connected with the host bracket 1 through the fixed seat substrate 11.

In specific implementation, the upper end of the main frame support 1 is provided with a driving gear 12, the driving gear 12 is driven by a driving motor 13, the driven gear 2 is arranged at the lower end of the main frame support 1, and a transmission chain 14 is arranged between the driving gear 12 and the driven gear 2.

In specific implementation, a chain guide rail 15 matched with the transmission chain 14 is arranged at the main frame bracket 1.

In specific implementation, the tensioning slide block 4 is made of high polymer materials, and has self-sliding and wear-resisting properties, and no noise is generated in the sliding process.

In specific implementation, two pressure spring screw rods 6 are arranged between the spring base 5 and the fixed seat frame 3, pressure springs on the pressure spring screw rods 6 can apply continuous and stable acting force on the tensioning slide block 4, and the tensioning slide block 4 is synchronized to the driven gear 2.

The foregoing is a more detailed description of the present invention in connection with specific preferred embodiments thereof, and it is not intended that the utility model be limited to the specific details set forth herein. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.

Claims

1. Passive tight device that rises, its characterized in that: the tension device comprises a host bracket (1) which is longitudinally distributed, a driven gear (2) is arranged at the lower end of the host bracket (1), a fixed seat frame (3) which is transversely distributed is arranged at the host bracket (1), a tension slider (4) is arranged below the fixed seat frame (3), a spring base (5) is arranged at the upper edge of the tension slider (4), a pressure spring screw (6) is arranged between the spring base (5) and the fixed seat frame (3), a pressure spring (7) is sleeved at the pressure spring screw (6), the upper end of the pressure spring (7) is propped against the lower edge of the fixed seat frame (3), the lower end of the pressure spring (7) is propped against the upper edge of the spring base (5), damping rubber rings (8) are respectively sleeved at the pressure spring screw (6) at the upper end and the lower end of the pressure spring (7), a bearing seat (9) is arranged at the tension slider (4), a bearing is arranged in the bearing seat (9), the tension slider (4) is connected with a driven shaft (10) of the driven gear (2) through a bearing of the bearing seat (9), the inner walls of the two sides of the main machine bracket (1) are provided with sliding chutes (16) matched with the tensioning sliding blocks (4).

2. The passive tensioning device according to claim 1, wherein: two ends of the fixed seat frame (3) are connected with the host bracket (1) through the fixed seat base plate (11).

3. The passive tensioning device according to claim 1, wherein: the upper end of host computer support (1) is equipped with drive gear (12), and drive gear (12) are driven by driving motor (13), and above-mentioned driven gear (2) set up the lower extreme at host computer support (1), are equipped with between drive gear (12) and driven gear (2) drive chain (14).

4. The passive tensioning device according to claim 1, wherein: and a chain guide rail (15) matched with the transmission chain (14) is arranged at the host machine bracket (1).