Screw rod mounting and fixing structure for lifting equipment

By adopting a combined structure of a lead screw and a lead screw nut in the lifting equipment, the problem of low lifting accuracy is solved, and higher lifting accuracy and drive reliability are achieved, which is suitable for modern industrial production and logistics transportation.

CN223342301UActive Publication Date: 2025-09-16LILAI AUTOMATION TECH (SUZHOU) CO LTD
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Patent Information

Application Number
CN202422898393.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-09-16
Estimated Expiration
2034-11-27

AI Technical Summary

Technical Problem

The lifting accuracy of traditional lifting equipment is difficult to achieve high standards, especially in situations where precise control of cargo height is required, which may have an adverse impact on the production or transportation process.

Method used

It adopts a combined structure of lead screw and lead screw nut, and the driving mechanism drives the two lead screws to rotate simultaneously to achieve vertical movement of the lifting platform, with a lifting accuracy of 2mm.

Benefits of technology

The precision of the lifting equipment and the reliability of the drive are improved, the applicability is stronger, and the lifting accuracy reaches 2mm, which is better than the traditional 5mm.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223342301U_ABST
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Abstract

The utility model discloses a lead screw mounting and fixing structure for lifting equipment, which belongs to the technical field of lifting equipment and comprises a machine body, a lifting platform, two upper end bearing seats, two lower end bearing seats, two lead screws, two lead screw nuts and a driving mechanism. According to the lead screw installing and fixing structure for the lifting equipment, the machine body, the lifting table, the two upper end bearing seats, the two lower end bearing seats, the two lead screws, the two lead screw nuts and the driving mechanism are arranged, the lead screws and the lead screw nuts are combined, the lifting precision is higher, and the precision can reach 2 mm; however, the lifting precision of a traditional lifting structure using a synchronous belt, a steel wire rope or a chain can only reach 5 mm, and the applicability of the device is higher due to the improvement of the lifting precision.
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Claims

1. A screw rod installation and fixing structure for lifting equipment, characterized in that: Comprising: A fuselage (9), composed of multiple metal tubes and plates; A lifting platform (11), which is in an overall shape of a rectangle with a hole in the middle, located inside the fuselage (9) and used for loading goods; Two upper bearing seats (7), respectively installed on both sides of the fuselage (9); Two lower bearing seats (8), respectively installed on both sides of the fuselage (9), directly below the two upper bearing seats (7); Two screw rods (6), the screw rods (6) are rotationally connected to the upper bearing seats (7) and the lower bearing seats (8); Two screw nuts (10), respectively installed on the two screw rods (6), both connected to the lifting platform (11); A driving mechanism, used to drive the two screw rods (6) to rotate simultaneously; Wherein, when the driving mechanism operates, the two screw rods (6) rotate simultaneously, and the screw nuts (10) move vertically along the screw rods (6), thereby driving the lifting platform (11) to move vertically.

2. A screw rod installation and fixing structure for lifting equipment according to claim 1, characterized in that: It further comprises: Two fixed supports (12), respectively installed on both sides of the lifting platform (11), respectively connected to the two screw nuts (10).

3. The screw rod installation and fixing structure for lifting equipment according to claim 2, characterized in that: It further comprises: A first mounting hole (13), opened on the screw nut (10), and the screw nut (10) is connected to the fixed support (12) through the first mounting hole (13) and a bolt; A second mounting hole (14), opened on the fixed support (12), and the fixed support (12) is connected to the lifting platform (11) through the second mounting hole (14) and a bolt.

4. The screw rod installation and fixing structure for lifting equipment according to claim 1, characterized in that: The driving mechanism includes: Two second couplings (5), both installed on the top of the fuselage (9), respectively connected to the upper ends of the two screw rods (6); Two steering gears (4), respectively installed on the tops of the two second couplings (5); A driving component.

5. The screw rod installation and fixing structure for lifting equipment according to claim 4, characterized in that: The driving component includes: A motor (1), installed on the top of the fuselage (9); A first coupling (2), installed on the top of the fuselage (9), connected to the power output shaft of the motor (1); Two transmission rods (3), one end of the transmission rod (3) is connected to the first coupling (2), and the other end of the transmission rod (3) is connected to the steering gear (4). It should be noted that in the original text, the description of the shape of the "升降台(11)" as "整体为回字形" is not very clear. I translated it as "整体为矩形中间有孔的形状" according to a possible understanding. If there is a more accurate description, the translation can be adjusted accordingly.