Chain transmission mechanism for workbin shuttle vehicle

By introducing pressure sensors and electric telescopic rods into the chain transmission mechanism, automatic adjustment of chain tension is achieved, which solves the cumbersome maintenance problem caused by chain slack and improves maintenance efficiency.

CN223421505UActive Publication Date: 2025-10-10WUHAN BOYIDA PRECISION MFG CO LTD
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Patent Information

Application Number
CN202422707422.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-07
Publication Date
2025-10-10
Estimated Expiration
2034-11-07

AI Technical Summary

Technical Problem

After long-term use under load, the existing chain transmission mechanism will become loose, resulting in an increase in the effective length of the chain. Regular inspection and adjustment are required, making use and maintenance more cumbersome.

Method used

A combination of a pressure sensor and an electric telescopic rod is used to monitor the chain tension through the support pulley. The data changes of the pressure sensor are used to control the electric telescopic rod to push the second transmission shaft to move, thereby realizing automatic adjustment of the chain tension.

Benefits of technology

It realizes automatic adjustment of chain tension, improves the maintenance efficiency of chain transmission structure, is convenient and quick to use, and reduces the tedious operation of manual maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The chain transmission mechanism for the workbin shuttle vehicle comprises a first transmission supporting plate and a second transmission supporting plate, and a first transmission shaft and a second transmission shaft are rotationally installed between the surfaces of the opposite sides of the first transmission supporting plate and the second transmission supporting plate. According to the chain transmission mechanism for the workbin shuttle vehicle, a pressure sensor and a supporting pulley are arranged in a sleeve, and electric telescopic rods are arranged on a first transmission supporting plate and a second transmission supporting plate, so that when the chain transmission mechanism is used, the supporting pulley makes contact with a chain, and tension on the chain is transmitted to the pressure sensor through a T-shaped pressing rod; the pressure sensor is used for monitoring the tension of the chain, the electric telescopic rod is controlled through data changes of the pressure sensor to push the second transmission shaft to move so as to tension the chain, then automatic adjustment of the tension of the chain can be achieved, use is convenient and fast, and the maintenance efficiency of the chain transmission structure is greatly improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of chain transmission, in particular to a chain transmission mechanism for a material box shuttle vehicle. Background Art

[0002] The material box shuttle is a device used in automated warehousing and logistics systems. It is mainly used to transport and store and retrieve material boxes in warehouses or production lines. It is usually used in conjunction with automated warehouses, conveying systems and other logistics equipment to improve the efficiency and accuracy of material handling. The chain drive mechanism is one of the important power transmission systems of the material box shuttle, which is mainly used to realize the movement and operation of the vehicle body.

[0003] However, after long-term use under load, the existing chain transmission mechanism will gradually wear out the chain links and sprocket tooth surfaces, which will increase the effective length of the chain and cause the chain to become loose. Workers are required to regularly check and adjust the tension of the chain, which makes it more cumbersome to use and maintain. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a chain transmission mechanism for a material box shuttle vehicle to overcome the deficiencies in the prior art.

[0005] The utility model solves the above-mentioned technical problem with the following technical solution: A chain transmission mechanism for a material box shuttle vehicle includes a first transmission support plate and a second transmission support plate, characterized in that: a first transmission shaft and a second transmission shaft are rotatably mounted between opposite side surfaces of the first transmission support plate and the second transmission support plate, two sprockets are fixedly mounted on the surface of each of the first transmission shaft and the second transmission shaft, mounting plates are fixedly mounted on opposite side surfaces of the first transmission support plate and the second transmission support plate, a sleeve is fixedly mounted on the upper surface of the mounting plate, a pressure sensor is fixedly mounted inside the sleeve, a T-shaped pressure rod penetrating to the outer surface of the sleeve is slidably mounted inside the sleeve, a U-shaped frame is fixedly mounted on the top of the T-shaped pressure rod, a support pulley is rotatably mounted on the inner side of the U-shaped frame, grooves are formed on opposite side surfaces of the first transmission support plate and the second transmission support plate, an electric telescopic rod is fixedly mounted inside the groove, a sliding sleeve is fixedly mounted on one end of the electric telescopic rod, the second transmission shaft is located inside the sliding sleeve, a motor is fixedly mounted on the surface of the first transmission support plate away from the second transmission support plate, and the output end of the motor is fixedly connected to one end of the first transmission shaft.

[0006] The beneficial effects of the utility model are as follows: a pressure sensor and a support pulley are provided inside the sleeve, and an electric telescopic rod is provided on the first transmission support plate and the second transmission support plate. When in use, the support pulley contacts the chain, and the tension on the chain is transmitted to the pressure sensor through the T-shaped pressure rod. The pressure sensor is used to monitor the tension of the chain, and the data change of the pressure sensor is used to control the electric telescopic rod to push the second transmission shaft to move to achieve chain tensioning, thereby realizing automatic adjustment of the chain tension. It is convenient and quick to use, and greatly improves the maintenance efficiency of the chain transmission structure.

[0007] On the basis of the above technical solution, the present invention can also be improved as follows.

[0008] Furthermore, a limiting slot is provided on the inner surface of the groove, and a circular limiting column is fixedly installed on the end surface of the second transmission shaft and inserted into the limiting slot, and the outer surface of the circular limiting column is in sliding contact with the inner surface of the limiting slot.

[0009] Furthermore, four limiting rings are fixedly mounted on the surface of the second transmission shaft, with each two limiting rings forming a group and respectively close to the two ends of the second transmission shaft, and the sliding sleeve is located between two adjacent limiting rings.

[0010] Furthermore, a chain is sleeved on the surface of the sprocket, and the chain is sleeved on the supporting pulley.

[0011] Furthermore, two baffles are fixedly mounted on the surface of the supporting pulley, and the chain is located between the two baffles. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The first transmission support plate and the second transmission support plate of the utility model are schematically shown. Figure 1 ;

[0013] Figure 2 Schematic diagram of the sprocket and chain structure of this utility model Figure 2 ;

[0014] Figure 3 This is a schematic diagram of the U-shaped frame structure of the utility model Figure 3 ;

[0015] Figure 4 This is a schematic diagram of the internal structure of the sleeve of the utility model Figure 4 .

[0016] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0017] 1 first transmission support plate, 2 second transmission support plate, 3 first transmission shaft, 4 second transmission shaft, 5 sprocket, 6 mounting plate, 7 sleeve, 8 pressure sensor, 9 T-shaped pressure rod, 10 U-shaped frame, 11 support pulley, 12 groove, 13 electric telescopic rod, 14 sliding sleeve, 15 motor, 16 limiting slide groove, 17 circular limiting column, 18 limiting ring, 19 chain, 20 baffle. DETAILED DESCRIPTION

[0018] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0019] Example 1, as Figures 1 to 4 As shown, a chain transmission mechanism for a material box shuttle vehicle includes a first transmission support plate 1 and a second transmission support plate 2. A first transmission shaft 3 and a second transmission shaft 4 are rotatably installed between the surfaces of the first transmission support plate 1 and the second transmission support plate 2. Two sprockets 5 are fixedly installed on the surfaces of the first transmission shaft 3 and the second transmission shaft 4. A mounting plate 6 is fixedly installed on the surfaces of the first transmission support plate 1 and the second transmission support plate 2 on the opposite side. A sleeve 7 is fixedly installed on the upper surface of the mounting plate 6. A pressure sensor 8 is fixedly installed inside the sleeve 7. A A T-shaped pressure rod 9 passes through the outer surface of the sleeve 7, and a U-shaped frame 10 is fixedly installed on the top of the T-shaped pressure rod 9. A support pulley 11 is rotatably installed on the inside of the U-shaped frame 10. Grooves 12 are provided on the opposite sides of the first transmission support plate 1 and the second transmission support plate 2. An electric telescopic rod 13 is fixedly installed inside the groove 12, and a sliding sleeve 14 is fixedly installed at one end of the electric telescopic rod 13. The second transmission shaft 4 is located inside the sliding sleeve 14. A motor 15 is fixedly installed on the surface of the first transmission support plate 1 away from the second transmission support plate 2, and the output end of the motor 15 is fixedly connected to one end of the first transmission shaft 3.

[0020] By arranging a pressure sensor 8 and a support pulley 11 inside the sleeve 7, an electric telescopic rod 13 is provided on the first transmission support plate 1 and the second transmission support plate 2. When in use, the support pulley 11 contacts the chain 19, and the tension on the chain 19 is transmitted to the pressure sensor 8 through the T-shaped pressure rod 9. The pressure sensor 8 is used to monitor the tension of the chain 19. The data change of the pressure sensor 8 is used to control the electric telescopic rod 13 to push the second transmission shaft 4 to move to achieve tensioning of the chain 19, thereby realizing automatic adjustment of the tension of the chain 19. It is convenient and quick to use, and greatly improves the maintenance efficiency of the chain transmission structure.

[0021] Example 2, as Figures 1 to 4 As shown, this embodiment is a further improvement based on Example 1, and its details are as follows:

[0022] A limiting slot 16 is provided on the inner surface of the groove 12 , and a circular limiting column 17 is fixedly mounted on the end surface of the second transmission shaft 4 and inserted into the limiting slot 16 . The outer surface of the circular limiting column 17 is in sliding contact with the inner surface of the limiting slot 16 .

[0023] This facilitates limiting the end of the second transmission shaft 4 , which helps ensure the stability of the second transmission shaft 4 during movement.

[0024] Example 3, as Figures 1 to 4 As shown, this embodiment is a further improvement based on Example 1, and its details are as follows:

[0025] Four limiting rings 18 are fixedly mounted on the surface of the second transmission shaft 4 . Each group of two limiting rings 18 is close to both ends of the second transmission shaft 4 , and the sliding sleeve 14 is located between two adjacent limiting rings 18 .

[0026] The limiting ring 18 is provided to prevent the sliding sleeve 14 from falling off the surface of the second transmission shaft 4 .

[0027] Example 4, as Figures 1 to 4 As shown, this embodiment is a further improvement based on Example 1, and its details are as follows:

[0028] A chain 19 is sleeved on the surface of the sprocket 5 , and the chain 19 is sleeved on the supporting pulley 11 .

[0029] It is convenient to monitor the tension of the chain 19 through the pressure sensor 8.

[0030] Example 5, as Figures 1 to 4 As shown, this embodiment is a further improvement based on Example 1, and its details are as follows:

[0031] Two baffles 20 are fixedly mounted on the surface of the supporting pulley 11 , and the chain 19 is located between the two baffles 20 .

[0032] The baffle 20 is provided to prevent the chain 19 from sliding off the supporting pulley 11 .

[0033] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A chain transmission mechanism for a material box shuttle vehicle, comprising a first transmission support plate (1) and a second transmission support plate (2), characterized in that: A first transmission shaft (3) and a second transmission shaft (4) are rotatably mounted between the surfaces of the first transmission support plate (1) and the second transmission support plate (2), two sprockets (5) are fixedly mounted on the surfaces of the first transmission shaft (3) and the second transmission shaft (4), a mounting plate (6) is fixedly mounted on the surfaces of the first transmission support plate (1) and the second transmission support plate (2), a sleeve (7) is fixedly mounted on the upper surface of the mounting plate (6), a pressure sensor (8) is fixedly mounted inside the sleeve (7), a T-shaped pressure rod (9) penetrating to the outer surface of the sleeve (7) is slidably mounted inside the sleeve (7), and the T-shaped pressure rod (9) A U-shaped frame (10) is fixedly installed on the top, and a support pulley (11) is rotatably installed inside the U-shaped frame (10). A groove (12) is provided on the surface of the opposite side of the first transmission support plate (1) and the second transmission support plate (2). An electric telescopic rod (13) is fixedly installed inside the groove (12), and a sliding sleeve (14) is fixedly installed on one end of the electric telescopic rod (13). The second transmission shaft (4) is located inside the sliding sleeve (14). A motor (15) is fixedly installed on the surface of the first transmission support plate (1) away from the second transmission support plate (2), and the output end of the motor (15) is fixedly connected to one end of the first transmission shaft (3).

2. The chain transmission mechanism for a material box shuttle according to claim 1, characterized in that: A limiting slide groove (16) is provided on the inner surface of the groove (12), and a circular limiting column (17) is fixedly installed on the end surface of the second transmission shaft (4) and is inserted into the inner surface of the limiting slide groove (16), and the outer surface of the circular limiting column (17) is in sliding contact with the inner surface of the limiting slide groove (16).

3. The chain transmission mechanism for a material box shuttle according to claim 1, characterized in that: Four limiting rings (18) are fixedly mounted on the surface of the second transmission shaft (4), with two limiting rings (18) forming a group and respectively close to the two ends of the second transmission shaft (4), and the sliding sleeve (14) is located between two adjacent limiting rings (18).

4. The chain transmission mechanism for a material box shuttle according to claim 1, characterized in that: A chain (19) is sleeved on the surface of the sprocket (5), and the chain (19) is sleeved on the supporting pulley (11).

5. The chain transmission mechanism for a material box shuttle according to claim 4, characterized in that: Two baffles (20) are fixedly mounted on the surface of the supporting pulley (11), and the chain (19) is located between the two baffles (20).