CN-122009964-A - Intelligent traveling wheel system with independent suspension for bridge crane

CN122009964ACN 122009964 ACN122009964 ACN 122009964ACN-122009964-A

Abstract

The invention relates to the technical field of cranes, and provides an intelligent traveling wheel system of a bridge crane with independent suspension, which comprises a server, a traveling rail, a traveling trolley, a monitoring module, a traction module, an auxiliary braking module and an evaluation module, wherein the monitoring module and the auxiliary braking module are arranged on the traveling trolley; the monitoring module collects state data of the walking trolley, analyzes the walking trolley according to the state data to form an analysis result, the traction module tows the walking trolley according to the analysis result to adjust the position of the walking trolley on a walking rail, the evaluation module collects traction data of the traction module, evaluates the traction state of the walking trolley according to the traction data obtained by collection to form an evaluation result, and the auxiliary braking module carries out auxiliary braking on the walking trolley according to the evaluation result. The invention ensures that the whole system has the advantages of good stability in the moving direction, high control precision and good safety through the matching of the evaluation module and the auxiliary braking module.

Inventors

ZHANG YAHUI
CHEN BENFU
ZHANG RONGXIANG
ZENG YONGQING
Bai Changde
FAN ZHIFU
WANG DAILIANG
Li Jiaqie
YAN DONGYI

Assignees

湖南华菱智能钢构有限公司
湖南涟钢建设有限公司

Dates

Publication Date: 20260512
Application Date: 20240129

Claims (10)

1. The intelligent traveling wheel system of the bridge crane comprises a server, a traveling rail and a traveling trolley sliding on the traveling rail, and is characterized by further comprising a monitoring module, a traction module, an auxiliary braking module and an evaluation module, wherein the server is used for storing intermediate data and process data of the monitoring module, the traction module, the auxiliary braking module and the evaluation module, and the monitoring module and the auxiliary braking module are arranged on the traveling trolley; the monitoring module collects state data of the walking trolley, analyzes the walking trolley according to the state data to form an analysis result, the traction module tows the walking trolley according to the analysis result so as to adjust the position of the walking trolley on a walking rail, the evaluation module collects traction data of the traction module, evaluates the traction state of the walking trolley according to the collected traction data to form an evaluation result, and the auxiliary braking module carries out auxiliary braking on the walking trolley according to the evaluation result; The traction module comprises a traction rope, a traction unit and a limiting unit, one end of the traction rope is connected with the walking trolley, the other end of the traction rope is connected with the traction unit, so that the traction unit can traction the walking trolley, the limiting unit limits the traction rope, and the limiting unit is arranged on the walking rail; the traction units are symmetrically arranged on two sides of the walking trolley, and traction is carried out on the walking trolley from two sides of the walking trolley.
2. The intelligent traveling wheel system with the independent suspension for the bridge crane according to claim 1, wherein the monitoring module comprises a speed monitoring unit, a position monitoring unit, a memory and a mobile analysis unit, the speed monitoring unit collects speed data of the traveling trolley, the position monitoring unit collects position data of the traveling trolley, the memory stores the speed data collected by the speed monitoring unit and the position data of the position monitoring unit, and the mobile analysis unit analyzes the traveling trolley according to the speed data collected by the speed monitoring unit and the position data of the position monitoring unit; The speed monitoring unit comprises a magnetic encoder, a supporting seat and a magnetic mark, wherein the magnetic mark is arranged on a wheel of the walking trolley, the supporting seat supports the magnetic encoder, and the magnetic encoder faces the magnetic mark to detect the rotation speed of the wheel of the walking trolley.
3. The intelligent traveling wheel system with independent suspension for the bridge crane according to claim 2, wherein the position monitoring unit comprises an identification probe and at least one position marker, wherein the at least one position marker is distributed at equal intervals along the extending direction of the traveling rail, and the identification probe is arranged on the traveling trolley and is arranged towards the direction of the at least one position marker so as to obtain the position data of the traveling trolley; wherein the position data includes a distance between start and stop of the travelling trolley.
4. The intelligent traveling wheel system with independent suspension for a bridge crane according to claim 3, wherein the movement analysis unit acquires the speed data acquired by the speed monitoring unit and the position data of the position monitoring unit, and calculates the movement state index MOVE of the traveling trolley according to the following formula: Wherein, alpha, beta and gamma are weight coefficients, the values of which are set by a system, V t is the actual speed of the travelling trolley at time t, V ideal is the ideal speed of the travelling trolley, A t is the actual acceleration of the travelling trolley at time t, A ideal is the ideal acceleration of the travelling trolley, M t is the actual movement amount of the travelling trolley at time t, the values of which are acquired by the position monitoring unit, and M ideal is the ideal movement amount of the travelling trolley at time t; And if the movement state index MOVE of the walking trolley is lower than a set monitoring threshold Level, triggering the traction module to carry out traction on the walking trolley.
5. The intelligent traveling wheel system with independent suspension for the bridge crane according to claim 4, wherein the traction unit comprises a traction driving mechanism, a traction seat, a traction cavity and a traction rod, the traction cavity is arranged in the traction seat, one end of the traction rod is in driving connection with the traction driving mechanism to form a traction part, the traction part is arranged in the traction cavity, and the other end of the traction rod extends towards one side far away from the traction driving mechanism and is hinged with the inner wall of the traction cavity; one end of the traction rope is connected with the rod body of the traction rod, and the other end of the traction rope is connected with the walking trolley.
6. The intelligent traveling wheel system with the independent suspension for the bridge crane according to claim 5, wherein the limiting unit comprises a limiting seat, a limiting member and a limiting cavity, the limiting cavity is arranged on the limiting seat and used for allowing the traction rope to pass through, and the limiting member is symmetrically arranged on two sides of the limiting cavity and used for carrying out auxiliary limiting on the traction rope; The limiting units are arranged at the initial end and the tail end of the walking rail and are connected with the inner wall of the walking rail.
7. The intelligent travelling wheel system with independent suspension for the bridge crane according to claim 6, wherein the evaluation module comprises a sampling unit and an evaluation unit, the sampling unit collects traction data of the traction rope, and the evaluation unit evaluates the traction state of the travelling trolley according to the traction data of the sampling unit; The sampling unit comprises a strain sampling component, a magnetic sampling component and a sound field sampling component, wherein the strain sampling component collects strain force data of the haulage rope, the magnetic sampling component collects offset data of the haulage rope, and the sound field sampling component collects ultrasonic data generated by the haulage rope when the haulage rope is stressed.
8. The intelligent traveling wheel system with independent suspension for a bridge crane according to claim 7, wherein the auxiliary braking module comprises a braking unit for performing auxiliary braking on the traveling trolley and a posture adjusting unit for adjusting the posture of the braking unit; The braking unit comprises a braking seat, a braking rod and a braking contact piece, one end of the braking rod is connected with the braking seat, the other end of the braking rod is connected with the braking contact piece, the braking seat is hinged with the outer wall of the travelling trolley, and the braking contact piece extends towards one side far away from the travelling trolley.
9. The intelligent traveling wheel system with independent suspension for a bridge crane according to claim 8, wherein the surface of the braking contact is in contact with the traveling rail and performs auxiliary braking on the traveling trolley; Wherein, the brake contact adopts wear-resisting material.
10. The intelligent traveling wheel system with independent suspension for the bridge crane according to claim 9, wherein the auxiliary braking modules are symmetrically arranged on two sides of the traveling trolley and perform auxiliary braking on the traveling trolley.

Description

Intelligent traveling wheel system with independent suspension for bridge crane Technical Field The invention relates to the technical field of cranes, in particular to an intelligent traveling wheel system of a bridge crane with independent suspension. Background When the existing bridge crane is operated, as the large wheel groups on two sides of the main beam are driven by a single motor, the large wheel groups on two sides of the main beam can have different travelling speeds, the large wheel groups on two sides can have different travelling speeds to cause the displacement of the large vehicle, the rail gnawing condition occurs, the rail gnawing can cause the reduction of the service lives of the travelling wheels and the travelling rails of the large vehicle, and meanwhile, the bridge crane has larger potential safety hazards. The full-hydraulic control trolley system for the bridge crane disclosed in the Chinese patent CN104590995B uses one motor, uses a low-speed large-torque hydraulic motor with a relatively simple structure and light weight as an actuating mechanism, does not use a speed reducer, reduces the burden of the trolley, saves resources, but cannot realize auxiliary traction and accurate control of the position, reduces the flexibility of the whole system, and is extremely easy to have the defect of sliding or landslide. In addition, in the prior art, the defect that in the hanging operation of a heavy object, uneven weight distribution can cause unbalance of a wheel system and influence the stability of a crane exists, and meanwhile, the moving speed of the crane cannot be accurately controlled. Meanwhile, the wheel system of the existing bridge crane is often designed into a fixed form, cannot be effectively adapted to different use scenes, and limits the use efficiency and the movement flexibility of the crane in variable working conditions. The invention is designed for solving the problems that the control precision of the moving position is poor, the deceleration capability is poor, the stability of the two sides of the moving direction cannot be realized, the auxiliary support of the wheels is lacking and the like in the prior art. Disclosure of Invention The invention aims to provide an intelligent traveling wheel system of a bridge crane with independent suspension, aiming at the defects existing at present. In order to overcome the defects in the prior art, the invention adopts the following technical scheme: the intelligent traveling wheel system of the bridge crane comprises a server, a traveling rail, a traveling trolley sliding on the traveling rail, a monitoring module, a traction module, an auxiliary braking module and an evaluation module, wherein the server is used for storing intermediate data and process data of the monitoring module, the traction module, the auxiliary braking module and the evaluation module, and the monitoring module and the auxiliary braking module are arranged on the traveling trolley; the monitoring module collects state data of the walking trolley, analyzes the walking trolley according to the state data to form an analysis result, the traction module tows the walking trolley according to the analysis result so as to adjust the position of the walking trolley on a walking rail, the evaluation module collects traction data of the traction module, evaluates the traction state of the walking trolley according to the collected traction data to form an evaluation result, and the auxiliary braking module carries out auxiliary braking on the walking trolley according to the evaluation result; The traction module comprises a traction rope, a traction unit and a limiting unit, one end of the traction rope is connected with the walking trolley, the other end of the traction rope is connected with the traction unit, so that the traction unit can traction the walking trolley, the limiting unit limits the traction rope, and the limiting unit is arranged on the walking rail; the traction units are symmetrically arranged on two sides of the walking trolley, and traction is carried out on the walking trolley from two sides of the walking trolley. Optionally, the monitoring module includes a speed monitoring unit, a position monitoring unit, a memory and a mobile analysis unit, the speed monitoring unit collects speed data of the travelling trolley, the position monitoring unit collects position data of the travelling trolley, the memory stores the speed data collected by the speed monitoring unit and the position data of the position monitoring unit, and the mobile analysis unit analyzes the travelling trolley according to the speed data collected by the speed monitoring unit and the position data of the position monitoring unit; The speed monitoring unit comprises a magnetic encoder, a supporting seat and a magnetic mark, wherein the magnetic mark is arranged on a wheel of the walking trolley, the supporting seat supports the magnetic encoder, and the magnetic