CN220012013U

CN220012013U - Lifting and rotating maintenance auxiliary platform

Info

Publication number: CN220012013U
Application number: CN202321576779.2U
Authority: CN
Inventors: 朱功超; 马先磊; 马腾; 胡萍; 王雪冰
Original assignee: Zhejiang Longtie Zongheng Track Traffic Maintenance Technology Co ltd
Current assignee: Zhejiang Longtie Zongheng Track Traffic Maintenance Technology Co ltd
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2023-11-14
Anticipated expiration: 2033-06-20

Abstract

The utility model discloses a lifting rotary maintenance auxiliary platform, which comprises a fixed base, a lifting mechanism, a rotary mechanism and a rotary platform, wherein the lifting mechanism comprises a lifting motor, a screw lifting assembly and a lifting guide assembly; the rotating mechanism is arranged on the top surface of the lifting mechanism and comprises a rotary seat and a rotary support assembly which is arranged on the top of the rotary seat and is driven to rotate by a rotary motor; the rotating platform is arranged on the slewing bearing assembly and driven to rotate by the slewing bearing assembly. The lifting rotary maintenance auxiliary platform can realize electric lifting to a height conforming to standing operation of a person, and is convenient for manual disassembly operation; meanwhile, the platform rotating structure is designed, so that the wheel sets can rotate at different positions on the rotating platform, and manual operation is facilitated.

Description

Lifting and rotating maintenance auxiliary platform

Technical Field

The utility model relates to the technical field of maintenance auxiliary platforms, in particular to a lifting rotary maintenance auxiliary platform.

Background

The current motor train unit overhauling workload is great, particularly when the motor train unit is overhauled at a high level, the shaft end fittings are required to be disassembled from the wheel pairs, the current overhauling mode mainly comprises the steps that the wheel pairs are directly placed on a track, the shaft end parts are about 450mm away from the ground when being disassembled, the manual disassembling mode is adopted for disassembling, and a person is required to bend down or squat when in operation; when unscrewing the breaking force or carrying, the user needs to bend down or squat for dry and alive. The operation mode is inconvenient and unsafe, and the long-term bending workers have the poor lumbar vertebra condition, and meanwhile, the operation efficiency is also influenced.

Disclosure of Invention

The utility model aims to provide a lifting rotary maintenance auxiliary platform capable of automatically lifting electrically, which is more comfortable and safer for workers to work.

The utility model aims to achieve the aim, and is specifically realized by the following technical scheme:

the lifting rotary maintenance auxiliary platform comprises a fixed base, a lifting mechanism, a rotary mechanism and a rotary platform, wherein the lifting mechanism comprises a lifting motor, a screw lifting assembly and a lifting guide assembly, the screw lifting assembly and the lifting guide assembly are arranged on the top surface of the fixed base, and the screw lifting assembly is in driving connection with the lifting motor and is in linkage with the lifting guide assembly; the rotating mechanism is arranged on the top surface of the lifting mechanism and comprises a rotary seat and a rotary support assembly which is arranged on the top of the rotary seat and is driven to rotate by a rotary motor; the rotating platform is arranged on the slewing bearing assembly and driven to rotate by the slewing bearing assembly.

Further, an auxiliary wheel is arranged on the bottom surface of the rotary platform.

Further, a wheel set stop mechanism is arranged on the top surface of the rotary platform.

Further, the top surface of the rotary platform is provided with a track groove.

The lifting rotary maintenance auxiliary platform can realize electric lifting to a height conforming to standing operation of a person, and is convenient for manual disassembly operation; meanwhile, the platform rotating structure is designed, the wheel set can rotate at different positions on the rotating platform, manual operation is facilitated, meanwhile, the wheel set axle box disassembling work can be transferred to the same side for carrying out, and auxiliary disassembling can be achieved through matching with other hardware equipment.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

In the figure, 1-a fixed base; 2-a lifting mechanism; 21-a lifting motor; 22-a lead screw lifting assembly; 23-lifting guide assembly; 3-a rotation mechanism; 31-a rotary base; 32-a rotary motor; 33 a slewing bearing assembly; 4-rotating a platform; 41-auxiliary wheels; 5-wheel set stop mechanism; 6-wheel pairs.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings and examples.

In the description of the present utility model, it should be understood that unless explicitly specified and limited otherwise, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus are not to be construed as limiting the present utility model.

The "upper" or "lower" of a first feature over a second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1, the lifting rotary maintenance auxiliary platform comprises a fixed base 1, a lifting mechanism 2, a rotary mechanism 3 and a rotary platform 4, wherein the lifting mechanism 2 comprises a lifting motor 21, a screw lifting assembly 22 and a lifting guide assembly 23, the screw lifting assembly 22 and the lifting guide assembly 23 are arranged on the top surface of the fixed base 1, and the screw lifting assembly 22 is in driving connection with the lifting motor 21 and is in linkage with the lifting guide assembly 22. The fixed base 1 is connected with a site pit civil engineering foundation through bolts, the screw rod lifting assembly 22 is arranged at the center of the fixed base 1, the lifting guide assemblies 23 are 4 groups, and the top surface of the fixed base 1 is arranged outside the screw rod lifting assembly 22.

The rotating mechanism 3 is mounted on the top surface of the lifting mechanism 2, and comprises a rotary seat 31 and a rotary support assembly 33 mounted on the top of the rotary seat 31 and driven to rotate by a rotary motor 32. The slewing bearing assembly 33 has a fixed disk and an external gear disk, and the slewing motor 32 is meshed with the external gear disk through a transmission gear, thereby rotating.

The rotary platform 4 is mounted on the slewing bearing assembly 33 and driven to rotate by the slewing bearing assembly, and the specific rotary platform 4 is mounted on the rotary external gear plate of the slewing bearing assembly 33 and driven to rotate by the rotary external gear plate. In an embodiment, the diameter of the rotary platform 4 may be designed to 2500mm.

In the preferred embodiment, the auxiliary wheel 41 is installed on the bottom surface of the rotary platform 4, and the auxiliary wheel 41 is used for auxiliary support and walking, so that the rotary platform 4 keeps balance when stationary or rotating. The top surface of the rotary platform 4 is provided with a wheel set stop mechanism 5, the wheel set stop mechanism 5 is an extensible sliding block or connecting rod driven by an air cylinder, and particularly can extend the air cylinder to drive two stop rods to extend to form a V shape, so that the wheel set 6 is stopped and positioned. And conversely, the air cylinder is retracted, the stop is rotated to a horizontal posture, and the wheel set is unlocked and can freely move through the air cylinder.

When the turntable is lifted, the wheel set stopping mechanism 5 can position the wheel set 6, so that the wheel set 6 is prevented from rolling, the operation is convenient, and the safety is improved; when the turntable is lowered, the wheel set stopping mechanism 5 automatically returns to the original position, and the wheel set 6 can be conveniently removed from the turntable. The top surface of the rotary platform 4 is provided with a track groove, the track groove is a track matched with the wheel set 6, the wheel set is convenient to move to the upper part of the rotary platform 4, in the embodiment, the track groove is two rows of parallel tracks, and the space is 1435mm.

The lifting rotary maintenance auxiliary platform is arranged in an opened pit, the rotary platform 4 is level with the ground in normal times, the track groove is aligned with a ground steel rail, the maintenance work piece is a train wheel pair, and the weight is about 3 tons. The rotary platform 4 is driven to rotate by electric drive, the maintenance position is flexible and not limited by fixing, and the maintenance can be stopped at the positions of 0 DEG, 90 DEG and 180 DEG; the rotating platform 4 rotates to enable the axle ends of the wheel sets 6 to rotate to one side, and large components can be hoisted on one side by being matched with intelligent equipment. The lifting height of the lifting mechanism 2 is adjustable, and the height of the wheel set box during disassembly is raised, so that the maintenance operation of workers is more comfortable; the lifting action and the rotating action of the rotating platform 4 are respectively driven by different motors, and are independently controlled without mutual interference.

The specific embodiments of the present utility model are intended to be illustrative, rather than limiting, of the utility model, and modifications thereof will be suggested to persons skilled in the art to which the present utility model pertains without inventive contribution, as desired, after having read the present specification, but are to be protected by the patent law within the scope of the appended claims.

Claims

1. The lifting rotary maintenance auxiliary platform is characterized by comprising a fixed base (1), a lifting mechanism (2), a rotating mechanism (3) and a rotating platform (4), wherein the lifting mechanism comprises a lifting motor (21), a screw lifting assembly (22) and a lifting guide assembly (23), the screw lifting assembly and the lifting guide assembly are arranged on the top surface of the fixed base, and the screw lifting assembly is in driving connection with the lifting motor and is in linkage with the lifting guide assembly; the rotating mechanism is arranged on the top surface of the lifting mechanism and comprises a rotary seat (31) and a rotary support assembly (33) which is arranged on the top of the rotary seat and is driven to rotate by a rotary motor (32); the rotating platform is arranged on the slewing bearing assembly and driven to rotate by the slewing bearing assembly.

2. Lifting and rotating service assistance platform according to claim 1, characterised in that the bottom surface of the rotating platform is provided with assistance wheels (41).

3. Lifting and rotating service assistance platform according to claim 1, characterized in that the top surface of the rotating platform is provided with a wheel set stop mechanism (5).

4. The lifting rotary overhaul auxiliary platform according to claim 1, wherein the top surface of the rotary platform is provided with a track groove.