CN-224201061-U - Positioning device for multi-section telescopic precise lifting rod

Abstract

The utility model discloses a positioning device for a multi-section telescopic precise lifting rod, and belongs to the technical field of telescopic rods. The utility model provides a flexible accurate lifter positioner of multisection, includes aluminium alloy pipe and base, and the base is located the bottom of aluminium alloy pipe, the inside of aluminium alloy pipe is provided with a plurality of direction aluminium jackets, and wherein, direction aluminium jacket and aluminium alloy pipe telescopic connection, sliding connection between the direction aluminium jacket, the top of direction aluminium jacket is provided with the roof. In order to solve the problems that the expansion ratio of the primary telescopic rod is too large, the primary telescopic rod cannot adapt to the requirements of low foundation and large stroke, the multistage lifting rod is provided with a trapezoidal screw rod, the rotation resistance is large, synchronous lifting cannot be realized, or the synchronous lifting is realized to complicate the structure, the transmission efficiency is further reduced, the planetary reducer is used for reducing the speed and amplifying the torque of the servo motor, the synchronous gear is used for transmitting power to the output gear, the output gear is connected with the ball screw rod, and the lifting of the second diode is realized.

Inventors

• XU JUNSHAN
• DONG WEICAI
• DENG HUI
• CHEN DONG
• LU TONG
• LIU SHANHU

Assignees

• 石家庄世联达科技有限公司

Dates

Publication Date

20260505

Application Date

20250703

Claims (5)

1. 1. The utility model provides a flexible accurate lifter positioner of multisection, its characterized in that, including aluminium alloy pipe (2) and base (3), base (3) are located the bottom of aluminium alloy pipe (2), the inside of aluminium alloy pipe (2) is provided with a plurality of direction aluminium cover (202), and wherein, direction aluminium cover (202) are connected with aluminium alloy pipe (2) are flexible, sliding connection between direction aluminium cover (202), the top of direction aluminium cover (202) is provided with roof (201), and wherein, roof (201) are connected through the draw-in groove with direction aluminium cover (202), one side of aluminium alloy pipe (2) is provided with tank tow chain (1), one side of base (3) is provided with planetary reducer (303), and the top of planetary reducer (303) is provided with servo motor (301).
2. 2. The multi-section telescopic precise lifting rod positioning device according to claim 1, wherein a pull rope sensor (302) is arranged on one side of the servo motor (301), and the pull rope sensor (302) is electrically connected with the servo motor (301).
3. 3. The positioning device for the multi-section telescopic precise lifting rod according to claim 1, wherein a synchronous gear (306) is arranged at the bottom of the planetary reducer (303), a magnetic induction sensor (305) is arranged on one side of the synchronous gear (306), a ball screw (304) is arranged on one side of the magnetic induction sensor (305), and the ball screw (304) is meshed with the synchronous gear (306) in a rotating manner.
4. 4. The positioning device for the multi-section telescopic precise lifting rod according to claim 1, wherein a nylon tube seat (203) is arranged in the guiding aluminum sleeve (202), and a hexagonal shaft (204) is arranged below the nylon tube seat (203).
5. 5. The multi-section telescopic precision lifting rod positioning device according to claim 4, wherein a bearing (205) is arranged at the bottom of the six-edge shaft (204), and the ball screw (304) is connected with the six-edge shaft (204) through a gear.

Description

Positioning device for multi-section telescopic precise lifting rod Technical Field The utility model relates to the technical field of telescopic rods, in particular to a positioning device for a multi-section telescopic precise lifting rod. Background At present, a relatively simple primary telescopic rod is available in the market, the telescopic ratio is too large, the requirement of low foundation requirement and large stroke cannot be met, the multi-stage lifting rod is provided with a trapezoidal screw rod, the rotation resistance is large, the synchronous lifting cannot be realized, or the synchronous lifting is realized, the structure is complicated, and the transmission efficiency is further reduced; The pull rope/pull belt type multi-stage lifting rod has the advantages of low precision, wear resistance, corrosion resistance, low service life, synchronous lifting realized by the pull rope or the chain, low precision, large volume and heavy weight, and is not applicable to occasions with requirements on installation projection area or weight. Disclosure of utility model The utility model aims to provide a multi-section telescopic precise lifting rod positioning device, a planetary reducer is used for reducing speed and amplifying torque of a servo motor, then power is transmitted to an output gear by a synchronous gear, the output gear is connected with a ball screw, lifting of a second diode is realized, the output gear drives a power gear arranged at the lower part of a six-edge, power is driven to a higher level, the same principle is used for sequentially transmitting power and lifting to the higher level, power transmission and synchronous lifting are realized, a higher compression ratio is realized, a lower basic height is realized, a higher lifting stroke is realized, and the problems in the prior art can be solved. The technical scheme is that the positioning device comprises an aluminum profile pipe and a base, wherein the base is positioned at the bottom of the aluminum profile pipe, a plurality of guiding aluminum sleeves are arranged in the aluminum profile pipe, the guiding aluminum sleeves are connected with the aluminum profile pipe in a telescopic manner and are connected with each other in a sliding manner, a top plate is arranged at the top of each guiding aluminum sleeve, the top plate is connected with the guiding aluminum sleeve through a clamping groove, a tank drag chain is arranged on one side of the aluminum profile pipe, a planetary reducer is arranged on one side of the base, and a servo motor is arranged above the planetary reducer. Through above-mentioned scheme, be provided with the jackscrew between the direction aluminium cover, reduce the clearance that rocks of lift in-process through adjusting the jackscrew dynamics, increase running resistance reaches the structure auto-lock, can realize the structure under the condition of not changing trapezoidal lead screw like this, and can select by oneself whether auto-lock. Preferably, a pull rope sensor is arranged on one side of the servo motor, and the pull rope sensor is electrically connected with the servo motor. Preferably, a synchronous gear is arranged at the bottom of the planetary reducer, a magnetic induction sensor is arranged on one side of the synchronous gear, a ball screw is arranged on one side of the magnetic induction sensor, and the ball screw is in meshed rotation connection with the synchronous gear. Preferably, a nylon tube seat is arranged in the guide aluminum sleeve, and a hexagonal shaft is arranged below the nylon tube seat. Preferably, a bearing is arranged at the bottom of the hexagonal shaft, and the ball screw is connected with the hexagonal shaft through a gear. Through the scheme, the output gear drives the power gear arranged at the lower part of the six edges simultaneously, power is transmitted to the upper stage, and the same principle sequentially transmits power to the upper stage and lifts, so that power transmission and synchronous lifting are realized. Compared with the prior art, the utility model has the beneficial effects that: 1. according to the utility model, after the planetary reducer decelerates and amplifies torque of the servo motor, the synchronous gear transmits power to the output gear, the output gear is connected with the ball screw, so that the second diode is lifted, the output gear drives the power gear arranged at the lower part of the six edges at the same time, the power is transmitted to the upper stage and lifted in turn according to the same principle, the power is transmitted and lifted synchronously, the higher compression ratio is realized, the lower basic height is realized, and the higher lifting stroke is realized; 2. According to the utility model, the jackscrews are arranged between the guide aluminum sleeves, the shaking gap in the lifting process is reduced by adjusting the jackscrew force, and the running resistance is increased to achieve str