CN-116877100-B - Full-automatic installation and replacement device and method for grease barrel of shield tunneling machine

CN116877100BCN 116877100 BCN116877100 BCN 116877100BCN-116877100-B

Abstract

A full-automatic installation and replacement device and a replacement method for a grease barrel of a shield machine comprise a receiving platform, a rotating mechanism, a traveling mechanism, a lifting and lifting mechanism and a lifting and lifting mechanism, wherein the receiving platform comprises a base and a linear driving mechanism, a base top plate is composed of a left fixed plate, a right fixed plate and a movable supporting plate, the middle of the movable supporting plate is used for bearing the grease barrel, the linear driving mechanism drives the movable supporting plate to move horizontally, the rotating mechanism comprises a traveling beam and a rotating driving assembly, one end of the traveling beam is rotationally connected with a trolley fixed column through the rotating driving assembly, the other end of the traveling beam is suspended, the traveling mechanism moves along the traveling beam and is connected with the trolley fixed column, the traveling beam is provided with a near-end proximity switch and a far-end proximity switch, the lifting and lifting mechanism is provided with a proximity switch triggering rod, the grease barrel clamping mechanism is used for clamping the grease barrel and taking down a barrel cover, and the replacement method of the device can realize automatic lifting and automatic replacement of the grease barrel, and effectively improve construction efficiency and safety coefficient.

Inventors

ZHANG YULONG
WANG XINGXIA
QI WENRUI
LI JIANWANG
ZHAO SHIYONG
MA TAO
LI XIANGFENG
CHEN HUANGTENG
WANG GUOYE
SHEN JING

Assignees

中铁十五局集团有限公司
中铁十五局集团城市轨道交通工程有限公司

Dates

Publication Date: 20260505
Application Date: 20230809

Claims (10)

1. Full-automatic installation and replacement device for grease barrel of shield tunneling machine, which is arranged on trolley in tunnel, and is characterized in that the device comprises: The receiving platform comprises a base and a linear driving mechanism, wherein a top plate of the base consists of a left fixed plate, a right fixed plate and a movable supporting plate, the middle of the movable supporting plate is used for bearing the grease barrel, the movable supporting plate is in sliding connection with the fixed plate, the linear driving mechanism is arranged in the base, and a linear motion part of the linear driving mechanism is connected with the movable supporting plate; The rotating mechanism comprises a walking beam and a rotating driving assembly, one end of the walking beam is rotationally connected with the upper part of the trolley fixing column through the rotating driving assembly, the rotating axis is perpendicular to the horizontal plane, and the other end of the walking beam is suspended; The travelling mechanism comprises a travelling mechanism frame and a travelling driving motor, the travelling mechanism frame is provided with travelling wheels of the travelling mechanism, the travelling wheels of the travelling mechanism move along the horizontal track of the travelling beam, and the travelling driving motor is used for driving the travelling mechanism frame to move along the travelling beam; The lifting mechanism comprises a lifting mechanism frame and a lifting motor, wherein the lifting mechanism frame is provided with a lifting mechanism travelling wheel which moves along a travelling beam track, the lifting mechanism frame is fixedly connected with the travelling mechanism frame through a connecting component, the lifting motor is hung at the lower part of the lifting mechanism frame, the travelling beam is provided with a near-end proximity switch and a far-end proximity switch, the far-end proximity switch is closer to the free end of the travelling beam than the near-end proximity switch, and the lifting mechanism frame is provided with a proximity switch trigger rod which is used for being matched with the near-end proximity switch and the far-end proximity switch; The oil barrel clamping mechanism comprises lifting lugs, chains, a stable supporting frame and a manipulator, wherein the upper end of the chains is connected with the lifting lugs, the lower end of the chains is connected with the manipulator, the stable supporting frame is connected with the chains and stretches out the chains, the manipulator naturally sags, the lifting lugs are connected with motor hooks of lifting motors of the lifting and lifting mechanism, and an electromagnet for sucking the oil barrel cover is further suspended on the lifting lugs.
2. The full-automatic installation and replacement device for the grease barrel of the shield machine according to claim 1 is characterized in that two sides of the movable supporting plate are respectively provided with a deviation rectifying baffle, the deviation rectifying baffles are fixed on the fixed plate, the two deviation rectifying baffles are arranged in a horn shape, and the small opening ends of the two deviation rectifying baffles face the retracting direction of the movable supporting plate.
3. The full-automatic installation and replacement device for the grease barrel of the shield machine according to claim 1 is characterized in that the linear driving mechanism is an oil cylinder, a gear rack mechanism driven by a motor or an electric cylinder.
4. The full-automatic installation and replacement device for the grease barrel of the shield machine is characterized in that a supporting frame is fixedly arranged on the upper portion of a trolley fixing column, a rotating pin is fixedly connected to the end portion of a walking beam and penetrates through the supporting frame and is in rotating connection with the supporting frame, and a rotating driving assembly is arranged in the supporting frame and comprises a rotating motor and a gear set, and the rotating motor drives the rotating pin to rotate through the gear set so as to drive the walking beam to rotate around the rotating pin.
5. The full-automatic installation and replacement device for the grease barrel of the shield machine, which is disclosed in claim 1, is characterized in that a transmission gear is arranged on the travelling mechanism frame, the transmission gear is driven to rotate by a travelling driving motor through a travelling speed reducer, a rack extending along the length of the travelling beam is arranged on the lower surface of the travelling beam, and the transmission gear is meshed with the rack.
6. The full-automatic installation and replacement device for the grease barrel of the shield machine is characterized in that a near-end limit switch is arranged at one end, close to a trolley fixing column, of a walking beam, a near-end limit trigger rod used for being matched with the near-end limit switch is arranged on a lifting mechanism frame, a far-end limit switch is arranged at the free end of the walking beam, a far-end limit trigger rod matched with the far-end limit switch is arranged on the walking mechanism frame, and the near-end limit switch and the far-end limit switch are connected with an industrial personal computer of a control room through control lines.
7. The full-automatic installation and replacement device for the grease barrel of the shield tunneling machine of claim 1, wherein the manipulator is a hydraulic manipulator, a pneumatic manipulator or an electric manipulator.
8. The full-automatic installation and replacement device for the grease barrel of the shield machine according to claim 1 is characterized in that a control box for local control is arranged on the trolley fixing column, and the control box is connected with a rotating motor, a walking driving motor, a lifting motor and an electromagnet through control wires.
9. The full-automatic installation and replacement method for the grease barrel of the shield machine is characterized by comprising the following steps of carrying a new grease barrel to a designated position near a receiving platform on a trolley by a segment carrier vehicle in a tunnel, pressing an automatic replacement start button of a control room, and automatically replacing the grease barrel by using the full-automatic installation and replacement device for the grease barrel of the shield machine according to any one of claims 1-7: s1, lifting a pressure plate of a pneumatic grease pump to separate from a grease barrel; S2, a linear driving mechanism of the receiving platform base pushes the movable supporting plate out of the base, and the empty grease barrel to be replaced is sent out to wait for lifting and leaving; s3, the traveling driving motor drives the traveling mechanism and the lifting and lifting mechanism to move towards the traveling Liang Jin end until a proximity switch on the upper near end of the traveling beam senses a proximity switch trigger lever on the lifting mechanism frame, the traveling driving motor stops moving, and at the moment, the lifting and lifting mechanism is positioned right above an empty grease barrel waiting to be sent out on the receiving platform; S4, a lifting motor of the lifting and lifting mechanism lowers the grease barrel clamping mechanism, and the grease barrel clamping mechanism clamps the empty grease barrel; S5, after the lifting motor drives the oil barrel clamping mechanism to ascend to a preset position, the rotating motor of the rotating mechanism is started to drive the walking beam to rotate until the empty oil barrel clamped by the oil barrel clamping mechanism is positioned right above the designated position of the duct piece transport vehicle, and the rotation is stopped; S6, the lifting motor lowers the grease barrel clamping mechanism until the empty grease barrel is placed at the appointed position of the duct piece transport vehicle, and the grease barrel clamping mechanism is lifted to a preset position by the lifting motor after loosening the grease barrel; S7, the traveling driving motor drives the traveling mechanism and the lifting and lifting mechanism to travel towards the far end of the traveling beam until a proximity switch on the far end of the traveling beam senses a proximity switch trigger lever on a frame of the lifting and lifting mechanism, and the traveling driving motor stops acting, so that the lifting and lifting mechanism is positioned above a new grease barrel to be clamped; S8, the walking driving motor drives the walking mechanism and the lifting mechanism to travel to the walking Liang Jinduan until a proximity switch on the upper near end of the walking beam senses a proximity switch trigger lever on the frame of the lifting mechanism, and the walking driving motor stops acting; s9, the lifting motor lowers the new oil barrel onto the movable supporting plate extending out of the receiving platform, and the oil barrel clamping mechanism loosens the new oil barrel; S10, after the barrel cover of the new grease barrel is sucked up by utilizing the magnetic force of the electromagnet, the lifting motor lifts the grease barrel clamping mechanism to a preset position, and the barrel cover is placed on the recovered empty grease barrel according to the steps S5 and S6; s11, the movable supporting plate provided with the new grease barrel is retracted by the linear driving mechanism of the receiving platform, and the pneumatic grease pump pumps grease.
10. The full-automatic installation and replacement method for the grease barrel of the shield machine according to claim 9 is characterized in that in step S11, the deviation correcting baffle arranged on the receiving platform corrects the new grease barrel with the deviation.

Description

Full-automatic installation and replacement device and method for grease barrel of shield tunneling machine Technical Field The invention belongs to the field of shield machine construction, and particularly relates to a full-automatic installation and replacement device and method for a grease barrel of a shield machine. Background The shield tail sealing system utilizes a plurality of shield tail steel wire brushes, a shield shell and a seal cavity of the pipe piece travel, and shield tail sealing grease with water blocking capability is injected into the seal cavity to isolate and lubricate the pipe piece of the shield tail from external slurry. The shield tail grease is pumped into the shield tail grease sealing cavity from the grease barrel by adopting a pneumatic grease pump, and a pneumatic ball valve, a manual ball valve and a pressure sensor are arranged on the middle pipeline. The main function of the shield tail sealing grease is to fill the gap between the shield tail sealing cavity and the inside of the steel wire brush and prevent external cement and mortar from entering the tunnel. In the process of pumping grease by utilizing a pneumatic grease pump, the replacement of the grease barrel needs to be completed, and the following defects and defects exist at present: (1) The grease pump needs to be manually operated in the whole process of use, two people are needed to operate in the process of lifting, putting down and installing the grease barrel, the weight of the grease barrel is large, the process consumes manpower and material resources, and the consumed time is long; (2) The weight of the oil barrel is large, and certain risks exist in manual operation (such as installation of a lifting hook, lifting of a chain block, lowering, pushing and moving of the oil barrel) by manpower, and particularly in the moving process, the oil barrel is easy to be injured; (3) In the process of gradually realizing automation of equipment on the shield machine, the grease barrel replacement process is complex, manpower and material resources are consumed, the construction progress is affected, and the equipment productivity is reduced. Disclosure of Invention The invention aims to provide a full-automatic installation and replacement device and method for a grease barrel of a shield machine, so as to improve the automation level of grease barrel replacement and grease pumping. In order to achieve the purpose, the technical scheme adopted by the invention is that the full-automatic installation and replacement device for the grease barrel of the shield machine is arranged on a trolley in a tunnel and comprises the following components: The receiving platform comprises a base and a linear driving mechanism, wherein a top plate of the base consists of a left fixed plate, a right fixed plate and a movable supporting plate, the middle of the movable supporting plate is used for bearing the grease barrel, the movable supporting plate is in sliding connection with the fixed plate, the linear driving mechanism is arranged in the base, and a linear motion part of the linear driving mechanism is connected with the movable supporting plate; The rotating mechanism comprises a walking beam and a rotating driving assembly, one end of the walking beam is rotationally connected with the upper part of the trolley fixing column through the rotating driving assembly, the rotating axis is perpendicular to the horizontal plane, and the other end of the walking beam is suspended; The travelling mechanism comprises a travelling mechanism frame and a travelling driving motor, the travelling mechanism frame is provided with travelling wheels of the travelling mechanism, the travelling wheels of the travelling mechanism move along the horizontal track of the travelling beam, and the travelling driving motor is used for driving the travelling mechanism frame to move along the travelling beam; The lifting mechanism comprises a lifting mechanism frame and a lifting motor, wherein the lifting mechanism frame is provided with a lifting mechanism travelling wheel which moves along a travelling beam track, the lifting mechanism frame is fixedly connected with the travelling mechanism frame through a connecting component, the lifting motor is hung at the lower part of the lifting mechanism frame, the travelling beam is provided with a near-end proximity switch and a far-end proximity switch, the far-end proximity switch is closer to the free end of the travelling beam than the near-end proximity switch, and the lifting mechanism frame is provided with a proximity switch trigger rod which is used for being matched with the near-end proximity switch and the far-end proximity switch; The oil barrel clamping mechanism comprises lifting lugs, chains, a stable supporting frame and a manipulator, wherein the upper end of the chains is connected with the lifting lugs, the lower end of the chains is connected with the manipulator, the stable support