CN-224212341-U - Train wheel set retreating and lifting device

CN224212341UCN 224212341 UCN224212341 UCN 224212341UCN-224212341-U

Abstract

The utility model provides a train wheel set unloading lifting device which comprises a track, a movable frame, a high-pressure oil cylinder, a wheel supporting mechanism, a rotary adjusting mechanism and a lifting mechanism, wherein wheels are arranged at the bottom of the movable frame and are slidably arranged in the track, the wheel supporting mechanism is fixedly arranged above the rotary adjusting mechanism, the rotary adjusting mechanism is fixedly arranged above the lifting mechanism, the lifting mechanism is arranged on the right side of the movable frame, a limiting plate is arranged on one side, close to the supporting mechanism, of the movable frame, the limiting plate is provided with an opening structure, a semicircular inwards concave limiting groove is used for supporting an axle, a guide plate is further arranged on the movable frame, the high-pressure oil cylinder is arranged on the left side of the guide plate, a limiting hole is formed in the guide plate, the axle center of the limiting hole coincides with the axle center of the limiting groove, and a push rod of the high-pressure oil cylinder passes through the limiting hole and is pressed against the end face of the axle. The lifting device for dismounting the train wheel set can simply, conveniently and quickly realize the dismounting work of the wheels on the gear box side of the railway vehicle moving wheel set.

Inventors

SHI XIN
CHU MINGZE
MA DONGMEI
ZHOU XIAO
ZHOU YUNFENG
LIU CHANGJIANG
LIU HE
JIA YU
DU HAO

Assignees

长春中车轨道车辆有限公司

Dates

Publication Date: 20260508
Application Date: 20250321

Claims (5)

1. The train wheel set dismounting lifting device is characterized by comprising a track, a moving frame, a high-pressure oil cylinder, a wheel supporting mechanism, a rotary adjusting mechanism and a lifting mechanism, wherein wheels are arranged at the bottom of the moving frame and are slidably arranged in the track, the wheel supporting mechanism is fixedly arranged above the rotary adjusting mechanism, the rotary adjusting mechanism is fixedly arranged above the lifting mechanism, the lifting mechanism is arranged on the right side of the moving frame, a limiting plate is arranged on one side, close to the supporting mechanism, of the moving frame, an opening structure is arranged on the limiting plate, a semicircular concave limiting groove is used for supporting an axle, a guide plate is further arranged on the moving frame, the high-pressure oil cylinder is arranged on the left side of the guide plate, a limiting hole is formed in the guide plate, the axis of the limiting hole coincides with the axis of the limiting groove, and a push rod of the high-pressure oil cylinder penetrates through the limiting hole and is pressed against the end face of the axle.
2. The lifting device for withdrawing and unloading a train wheel set according to claim 1, wherein the wheel supporting mechanism comprises a bottom frame, at least two groups of positioning plates are arranged on the bottom frame, the positioning plates are vertically arranged on the bottom frame, and the positioning plates are provided with positioning grooves which are of opening structures and are semi-circular concave and used for supporting the wheel set.
3. The lifting device for withdrawing and unloading a train wheel set is characterized in that a fixed seat for installing a limiting plate is further arranged on the movable frame, the fixed seat is vertically fixed on the movable frame and comprises a vertical plate and a bottom plate, the vertical plate is vertically fixed above the bottom plate, the bottom plate is fixedly arranged with the movable frame, the limiting plate is arranged on the front side of the vertical plate, an opening structure and a semicircular concave guide groove is arranged on the vertical plate, the axis of the guide groove coincides with the axis of the limiting groove, and the diameter of the guide groove is larger than that of the limiting groove.
4. The lifting device for withdrawing and lifting a train wheel set according to claim 3, wherein the front end of the vertical plate is provided with two supporting plates, and the supporting plates are vertically fixed between the bottom plate and the vertical plate.
5. The lifting device for disassembling the train wheel set is characterized in that the lifting mechanism is a lifting table with a scissor fork structure and comprises an upper supporting table, a hydraulic cylinder, a scissor lifting arm and a base, wherein the scissor lifting arm is hinged between the upper supporting table and the base, the hydraulic cylinder is arranged on the scissor lifting arm, the scissor lifting arm comprises two groups of cross arm assemblies, the two groups of cross arm assemblies are respectively and correspondingly hinged through a plurality of transverse shafts, each cross arm assembly comprises an outer arm and an inner arm, one end of each outer arm is hinged with the upper supporting table, the other end of each outer arm is in sliding connection with the base, one end of each inner arm is hinged with the base, the other end of each inner arm is in sliding connection with the upper supporting table, a driving rod is arranged between the two groups of cross arm assemblies, two ends of the driving rod are respectively fixedly installed with the outer arms, one end of each hydraulic cylinder is hinged with the transverse shafts, and a driving shaft at the other end of each driving rod is hinged with the driving rod.

Description

Train wheel set retreating and lifting device Technical Field The utility model relates to the technical field of locomotive assembly, in particular to a train wheel set withdrawing and lifting device. Background In the running process of the train, the wheel sets are in continuous contact with the rails, abrasion is inevitably generated, the urban railway vehicle is required to be returned to a factory for maintenance and overhaul according to railway industry regulations when running to a specified mileage or age, the factory maintenance period is 5 years or the running mileage reaches 50 ten thousand kilometers for maintenance, the factory maintenance period is 10 years or the running mileage reaches 100 ten thousand kilometers for maintenance, the running part (bogie) is required to be disassembled and pressed, and the bogie is reassembled after maintenance. The urban railway vehicle wheel set is of a gear box structure, and because the gap between the urban railway vehicle gear box and the wheels is too small, the existing equipment wheel set anti-raking machine cannot meet the single-side wheel unloading capacity of the gear box of the railway vehicle wheel set, so that special unloading equipment is needed for unloading so as to be convenient for inspection and maintenance. Disclosure of utility model The utility model aims to provide a train wheel set withdrawing and lifting device, which aims to solve the technical problems in the background technology. In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a train wheel pair moves back and unloads elevating gear, includes track, movable frame, high-pressure cylinder, wheel supporting mechanism, rotation adjustment mechanism and elevating system, the movable frame bottom is equipped with wheel slidable mounting in the track, wheel supporting mechanism sets firmly in rotation adjustment mechanism top, rotation adjustment mechanism sets firmly in the elevating system top, elevating system is on the right side of movable frame, one side that is close to supporting mechanism on the movable frame is equipped with the limiting plate, be equipped with opening structure and semicircle indent's spacing groove on the limiting plate and be used for supporting the axletree, still be equipped with the deflector on the movable frame, the left side at the deflector is installed to the high-pressure cylinder, be equipped with the spacing hole on the deflector, the axle center in spacing hole and the coincidence of the axle center in spacing groove, the ejector pin of high-pressure cylinder passes spacing hole and axletree terminal surface roof pressure. The wheel supporting mechanism comprises a chassis, at least two groups of positioning plates are arranged on the chassis, the positioning plates are vertically arranged on the chassis, and positioning grooves which are provided with opening structures and are semi-circular concave are arranged on the positioning plates and used for supporting wheel pairs. Still install the fixing base that is used for installing the limiting plate on the movable frame, the fixing base is fixed on the movable frame perpendicularly, the fixing base includes riser and bottom plate, riser vertical fixation is in the bottom plate top, bottom plate and movable frame fixed mounting, the limiting plate is installed in the front side of riser, be equipped with the guide way of opening structure and semicircle indent on the riser, the axle center of guide way and the axle center coincidence of spacing groove, the diameter of guide way is greater than the diameter of spacing groove. The front end of riser is equipped with two backup pads, the backup pad is fixed perpendicularly between bottom plate and riser. The lifting mechanism is a lifting table of a scissor fork structure, the lifting mechanism comprises an upper supporting table, a hydraulic cylinder, a scissor lifting arm and a base, the scissor lifting arm is hinged between the upper supporting table and the base, the hydraulic cylinder is arranged on the scissor lifting arm, the scissor lifting arm comprises two groups of cross arm assemblies, the two groups of cross arm assemblies are respectively hinged in a corresponding mode through a plurality of transverse shafts, each cross arm assembly comprises an outer arm and an inner arm, one end of each outer arm is hinged to the upper supporting table, the other end of each outer arm is connected with the base in a sliding mode, one end of each inner arm is hinged to the base, the other end of each inner arm is connected with the upper supporting table in a sliding mode, a driving rod is arranged between the two groups of cross arm assemblies, two ends of each driving rod are respectively fixedly installed with the outer arms, one end of each hydraulic cylinder is hinged to the transverse shafts, and a driving shaft at the other end of each driving rod is h