CN215853272U

CN215853272U - Subway power supply equipment transportation auxiliary wheel capable of being turned and quickly disassembled and assembled

Info

Publication number: CN215853272U
Application number: CN202122177693.XU
Authority: CN
Inventors: 毛文峰
Original assignee: China Railway 12th Bureau Group Co Ltd; China Railway 12th Bureau Group Electrification Engineering Co Ltd
Current assignee: China Railway 12th Bureau Group Co Ltd; China Railway 12th Bureau Group Electrification Engineering Co Ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-02-18
Anticipated expiration: 2031-09-09

Abstract

The utility model belongs to the technical field of transportation of subway power supply equipment, and solves the problems that the traditional transportation method can not automatically realize equipment turning, needs to carry out multiple times of equipment lifting, has low construction efficiency and is easy to damage auxiliary transportation tools. The utility model provides a but turning, but just quick assembly disassembly's subway power supply unit transportation auxiliary wheel, including the pedestal, the lower extreme of pedestal upwards fluting, the inslot is connected with the cross axle, it is provided with the gyro wheel to rotate on the cross axle, the upper end of pedestal has the montant, montant outside cover is equipped with slewing bearing, slewing bearing level sets up, and the outer lane is fixed in the upper end of pedestal, the equipment base supports and presses in slewing bearing's inner circle upper end, the montant passes the equipment base, and the lower extreme that exposes the part is provided with the split pin. The utility model can be transported in narrow subway stations without dead corners, does not need to lift equipment for many times, and has high construction efficiency.

Description

Subway power supply equipment transportation auxiliary wheel capable of being turned and quickly disassembled and assembled

Technical Field

The utility model belongs to the technical field of transportation of subway power supply equipment, and particularly relates to a turnable and quickly detachable auxiliary wheel for transportation of subway power supply equipment.

Background

The subway power supply system is a power source spring for normal operation of a subway and is used for providing power for various devices, the subway power supply system needs to be connected with a power supply from a national power grid transformer substation, the voltage grade is generally 35kV, most of electric equipment in the subway is 220V or 380V, so that the electric equipment cannot be directly used, the electric equipment can be directly connected after voltage reduction is needed, and a step-down transformer needs to be installed in the subway station.

Due to the fact that the space in the subway station is narrow, the number of building units is large, material equipment is stacked in a mess, transportation paths of various material equipment are complex, and ultrahigh and oversized equipment such as a power supply system transformer can be installed only after building construction is completed, so that the transportation paths of the equipment are further limited, and the transportation difficulty is increased.

The traditional transportation method mainly adopts a steel pipe laying rolling method and a small tank cushion to reduce the friction force between equipment and the ground and assist the transportation of the equipment, but the traditional transportation method can not automatically meet the requirement of turning the equipment, if the turning is needed, the direction of the steel pipe or the small tank is put again after a transformer is lifted by other lifting equipment, if the turning point is too many, the equipment is lifted for many times, the time and the labor are wasted, and the construction efficiency is low;

in the process of auxiliary transportation by using the steel pipes, the steel pipes deform due to uneven ground, and the stability of equipment transportation can be influenced; in the transportation process assisted by the small tank, the small tank can be damaged due to uneven stress.

Therefore, an auxiliary wheel for transporting subway power supply equipment, which can realize equipment turning, needs to be researched urgently.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects that the traditional transportation method can not automatically realize equipment turning, needs to carry out multiple times of equipment lifting, has low construction efficiency and is easy to damage an auxiliary transportation tool, the utility model aims to provide the subway power supply equipment transportation auxiliary wheel which can be turned and can be quickly disassembled and assembled.

In order to achieve the purpose, the utility model adopts the following technical scheme that the auxiliary transport wheel for the subway power supply equipment, which can be bent and can be quickly disassembled and assembled, comprises a shaft frame, wherein the lower end of the shaft frame is upwards grooved, a transverse shaft is connected in the groove, a roller is rotatably arranged on the transverse shaft, a vertical rod is arranged at the upper end of the shaft frame, a rotary supporting bearing is sleeved on the outer side of the vertical rod, the rotary supporting bearing is horizontally arranged, an outer ring is fixed at the upper end of the shaft frame, an equipment base is pressed against the upper end of an inner ring of the rotary supporting bearing, the vertical rod penetrates through the equipment base, and the lower end of the exposed part is provided with a split pin.

Preferably, the vertical section of the shaft bracket is Jiong-shaped, and the bottom end of the roller is positioned below the shaft bracket.

Preferably, the outer ring of the slewing bearing is located at the center of the upper end face of the shaft bracket and is fixed through a circle of fastening bolts.

Preferably, the vertical rod is positioned in the center of the rotary support bearing, and the diameter of the vertical rod is smaller than the inner diameter of the inner ring of the rotary support bearing.

Preferably, both ends of the transverse shaft extend out of the outer side of the shaft bracket and are provided with pin holes, and split pins are arranged in the pin holes.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the equipment turns, the inner ring of the rotary support bearing rotates along with the equipment, when the equipment is stressed forwards, the outer ring of the rotary support bearing rotates relative to the inner ring, so that the roller below the shaft bracket is driven to move along with the outer ring until the roller keeps consistent with the advancing direction of the equipment, and the auxiliary wheel is driven by the movement of the equipment, so that the equipment turns.

2. The utility model can be transported in a narrow subway station by turning at 360 degrees without dead angles, does not need to lift equipment for many times, has high construction efficiency and avoids the damage of auxiliary transportation equipment.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a front view of the present embodiment;

FIG. 2 is a side view of the present embodiment;

fig. 3 is a plan view of the present embodiment.

In the figure: 1-a shaft bracket; 2-horizontal axis; 3, rolling wheels; 4-vertical rod; 5-a slewing support bearing; 5.1-outer ring; 5.2-inner ring; 6-cotter pin.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for understanding and reading the present disclosure, and are not used for limiting the limit of the present disclosure, which is not a technical meaning, and any structural modifications, ratio changes, or size adjustments may still fall within the scope of the present disclosure without affecting the function and the achievable effect of the present disclosure.

The present invention provides an embodiment:

as shown in fig. 1, fig. 2, fig. 3, a subway power supply unit transportation auxiliary wheel that can turn, but and quick assembly disassembly, including pedestal 1, the lower extreme of pedestal 1 makes progress the fluting, and the inslot is connected with cross axle 2, rotates on the cross axle 2 and is provided with gyro wheel 3, and the upper end of pedestal 1 has montant 4, and montant 4 outside cover is equipped with gyration support bearing 5, and gyration support bearing 5 level sets up, and the outer lane is fixed in the upper end of pedestal 1, and the equipment base activity is supported and is pressed in gyration support bearing 5's inner circle upper end, and montant 4 passes the equipment base, and the lower part that exposes the part is provided with the pinhole, and establish split pin 6 in the pinhole.

Generally have two rows of channel-section steel supports of "well" word line below large-scale equipment such as subway transformer as the equipment base, firstly for equipment transportation and bear equipment weight usefulness, secondly for the insulating high needs on equipment and ground, be provided with the preformed hole in the four corners department of equipment base in this embodiment, the montant 4 of four auxiliary wheels passes corresponding preformed hole respectively, it is fixed to insert split pin 6 in the pinhole on the montant 4, avoid hoist and mount or jacking in-process auxiliary wheel to reciprocate, but drive slewing support bearing through pulling equipment, the turn of equipment is realized to the auxiliary wheel, this embodiment fixes the auxiliary wheel on the equipment base through split pin 6, realize the quick assembly disassembly of auxiliary wheel, the efficiency of construction is improved.

In this embodiment, the vertical section of the shaft bracket 1 is Jiong font, two ends of the cross shaft 2 extend out of the shaft bracket 1 and are provided with pin holes, split pins 6 are arranged in the pin holes to prevent the cross shaft 2 from horizontally moving along the axial direction, the bottom end of the roller 3 is positioned below the shaft bracket 1, the gap between the left end and the right end of the roller 3 and the shaft bracket 1 is as small as possible, so that the sliding of the roller 3 along the cross shaft 2 is reduced, a baffle ring for preventing the sliding of the roller 3 can be arranged on the cross shaft 2 and is arranged at the position adjacent to the left end and the right end of the roller 3, the shaft bracket 1, the cross shaft 2 and the roller 3 can be detachably connected, when a certain component is damaged, the replacement is easy, and the waste of materials is avoided.

In order to ensure that the mounting structure is stable and compact, the outer ring of the rotary supporting bearing 5 is positioned at the center of the upper end surface of the shaft bracket 1 and is fixed by a circle of fastening bolt, and the vertical rod 4 is positioned at the center of the rotary supporting bearing 5 and has a diameter smaller than the inner diameter of the inner ring of the rotary supporting bearing 5.

The method comprises the following specific operation steps:

1. the crane lifts the equipment 80cm away from the ground on the ground, an auxiliary wheel is installed at the bottom of the equipment, and then the equipment is lifted into a subway station;

2. on the ground, the equipment is pulled to the destination according to the planned transportation path.

3. Lifting the equipment by 5-10cm by using lifting devices such as a jack, detaching the cotter 6 on the vertical rod 4, and taking out the auxiliary wheel.

4. The square wood blocks are padded below the equipment, the heights of lifting devices such as jacks and the like are slowly reduced, the equipment falls on the square wood blocks, construction of the next procedure is facilitated, the lifting equipment is removed simultaneously, and construction is completed.

The working principle is as follows:

the equipment is pressed down at the upper end of the inner ring 5.2 of the rotary support bearing 5, the maximum static friction force between the equipment and the rotary support bearing is large enough due to the large mass of the equipment, rolling friction is formed between the inner ring 5.2 and the outer ring 5.1 and between the roller 3 and the ground, and the equipment and the roller 3 can move only by providing relatively small pulling force on the equipment, because the pulling force is always smaller than the maximum static friction force between the equipment and the inner ring 5.2 of the rotary support bearing 5, namely the equipment and the roller can keep relatively static when turning and advancing;

when equipment turns, 5.2 inner circles of slewing bearing 5 rotate along with the equipment, when the equipment atress was forward, 5.2 rotations of 5.1 relative inner circles of slewing bearing 5's outer lane, and then drive gyro wheel 3 below the pedestal 1 and follow outer lane 5.1 and remove, keep unanimous until gyro wheel 3 and equipment advancing direction, drive the auxiliary wheel through the motion of equipment to the turn of equipment has been realized.

The specification of the slewing bearing 5 is selected and matched according to the size of the equipment base and the weight of the equipment, and other components can be properly adjusted and selected according to the size of the equipment base and the weight of the equipment.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The utility model provides a but turning and quick assembly disassembly's subway power supply unit transportation auxiliary wheel which characterized in that: including pedestal (1), the lower extreme of pedestal (1) is the fluting upwards, and the inslot is connected with cross axle (2), rotates on cross axle (2) and is provided with gyro wheel (3), and the upper end of pedestal (1) has montant (4), and montant (4) outside cover is equipped with gyration support bearing (5), gyration support bearing (5) level setting, and the outer lane is fixed in the upper end of pedestal (1), and the equipment base supports and presses the inner circle upper end at gyration support bearing (5), and montant (4) pass the equipment base, and the lower extreme that exposes part is provided with split pin (6).

2. A turnable and quickly detachable auxiliary wheel for transportation of subway power supply equipment as claimed in claim 1, wherein: the vertical section of the shaft bracket (1) is Jiong-shaped, and the bottom end of the roller (3) is positioned below the shaft bracket (1).

3. A turnable and quickly detachable auxiliary wheel for transportation of subway power supply equipment as claimed in claim 1, wherein: the outer ring of the rotary support bearing (5) is positioned at the center of the upper end face of the shaft bracket (1) and is fixed through a circle of fastening bolt.

4. A turnable and quickly detachable auxiliary wheel for transportation of subway power supply equipment as claimed in claim 3, wherein: the vertical rod (4) is positioned at the center of the rotary supporting bearing (5), and the diameter of the vertical rod is smaller than the inner diameter of the inner ring of the rotary supporting bearing (5).

5. A turnable and quickly detachable auxiliary wheel for transportation of subway power supply equipment as claimed in claim 1, wherein: the two ends of the transverse shaft (2) extend out of the outer side of the shaft bracket (1) and are provided with pin holes, and split pins (6) are arranged in the pin holes.