CN113401010B - Flexible sectional type movable contact net device - Google Patents

Abstract

The invention provides a flexible sectional type movable contact net device which comprises flexible movable small anchor sections and flexible fixed small anchor sections, wherein the two flexible fixed small anchor sections are respectively in flexible suspension connection with a field section, a plurality of flexible movable small anchor sections are arranged between the flexible fixed small anchor sections, the flexible fixed small anchor sections and the flexible movable small anchor sections are sequentially and electrically connected, and the flexible movable small anchor sections vertically lift. The invention adopts flexible suspension parts which are consistent with those of a vehicle section or a parking lot, has extremely high universality and is simple to operate and maintain. The flexible movable small anchor section and the flexible fixed small anchor section are adopted, and the flexible fixed small anchor section is in flexible suspension connection with the field section, so that smooth connection of contact lines is ensured; the flexible movable small anchor section capable of lifting guarantees that the electric passenger car entering the garage is powered on at ordinary times, and after lifting, the requirement of the working height of the overhead travelling crane is met.

Description

A flexible segmented mobile catenary device

technical field

The invention belongs to the field of rail transit, and in particular relates to a flexible segmented mobile catenary device.

Background technique

Based on the advantages of energy saving, environmental protection, convenient travel and the promotion of urban economic life, urban rail transit is developing rapidly in more and more cities. After the daily operation of rail transit vehicles, it is necessary to carry out daily inspection, weekly inspection and inspection according to the vehicle maintenance manual. Monthly inspection, the maintenance work is generally completed by the maintenance depot in the depot or parking lot. The roof climbing operation in the maintenance operation, or disassembly and assembly operations such as air conditioning maintenance, bogie maintenance, etc. require the support of the crane. In the traditional maintenance work , using internal combustion engineering vehicles to push the electric passenger cars to be operated into the designated position, and then carry out maintenance operations, the turnover efficiency is low, and the personnel occupancy ratio is high.

It is hoped that the electric passenger car can drive into the designated position by itself, and the new idea of not being hindered by the contact line during operation has emerged in major cities and foreign subway operation and maintenance ideas. The mainstream solution is to put the flexible contact The net is converted into a rigid suspension through the device, and the rotation of the wrist arm of the rigid suspension is controlled by a motor. In recent years, the development of domestic mobile catenary has gradually increased the application rate with the advancement of science and technology and the accumulation of technology. However, this "curve realization" method increases the types of spare parts and sacrifices the reliability of operation and maintenance.

Contents of the invention

Aiming at the technical problems existing in the prior art, the present invention provides a flexible and segmented mobile catenary device, which can provide sufficient maintenance space and crane operation space under the premise of satisfying the functions of the rail transit power supply system, and significantly improve Improve the operation and maintenance reliability and turnover efficiency of rail transit vehicles, and improve the convenience of electric bus power supply and maintenance operations.

The technical scheme adopted in the present invention is: a flexible segmented mobile catenary device, including a flexible mobile small anchor segment and a flexible fixed small anchor segment, and the two flexible fixed small anchor segments are respectively connected to the flexible field segment. Suspension connection, a number of flexible movable small anchor sections are arranged between the flexible fixed small anchor sections, the flexible fixed small anchor sections and the flexible mobile small anchor sections are electrically connected in sequence, and the flexible mobile small anchor sections segment vertical lift.

Further, the tension-relieving V-shaped lower anchor is also included, and the tension-relieving V-shaped lower anchor is connected with the flexible suspension of the field segment, and is used to match the tension of the anchor segment of the flexible suspension of the field segment and the tension of the anchor segment of the flexible fixed small anchor segment.

Further, the anchor tension of the flexible movable small anchor segment and the flexible fixed small anchor segment is 1KN-3.5KN.

Further, the flexible movable small anchor section includes an insulating rod, a hanging string, a contact wire and a lifting chain, the contact wire is suspended from the insulating rod through the hanging string, and the lifting chain is connected to the insulating rod.

Further, the insulating rod is connected with a butterfly limit mechanism.

Further, the flexible fixed small anchor section includes an insulating rod, a hanging string, a contact wire and a fixed cross arm, the contact wire is suspended from the insulating rod through the suspension string, and the insulating rod is suspended from the fixed cross arm.

Further, a suspender is fixed on the insulating pole, and the end of the contact wire is connected to the suspender through an adjusting bolt or an elastic compensator, and connected to the insulating pole through a tightening spring.

Further, there is an overlapping area of 0.5m-7m between the flexible movable small anchor segment and the flexible fixed small anchor segment, and between the flexible movable small anchor segment and the flexible movable small anchor segment.

Further, the length of the flexible movable small anchor section is 10m-30m.

Further, the maximum lifting height of the flexible movable small anchor section is not greater than 3.5m.

Compared with prior art, the beneficial effect that the present invention has is:

1. The present invention adopts flexible suspension components, which are consistent with the flexible suspension components of the depot or parking lot, have high versatility, and are easy to operate and maintain. The present invention adopts a flexible movable small anchor section and a flexible fixed small anchor section, and the flexible fixed small anchor section is connected to the field section by flexible suspension, relying on the tension-relieving V-shaped lower anchor to match the tension of the anchor section to ensure the smooth connection of the contact line; it can be raised and lowered The flexible mobile small anchor section usually supplies power for the electric buses entering the warehouse, and after lifting, it meets the working height requirements of the crane.

2. The flexible movable small anchor section and the flexible fixed small anchor section of the present invention maintain electrical connection throughout the whole process, meet the functional requirements of the rail transit power supply system, provide power for electric buses entering and leaving the warehouse, and have good stability and safety.

3. The present invention uses a fixed cross arm to fix the flexible fixed small anchor section to ensure the smooth sliding of the pantograph and meet the passing conditions of the crane. The invention adopts a hanging column, an adjusting bolt, an elastic compensator and a tightening spring to maintain the tension of the small anchor section and make good contact with the pantograph of the electric bus.

Description of drawings

Fig. 1 is the structural representation of the embodiment of the present invention;

Fig. 2 is a schematic structural view of a flexible fixed small anchor section according to an embodiment of the present invention;

Fig. 3 is a schematic structural diagram of a flexible movable small anchor segment according to an embodiment of the present invention.

In the figure 1-flexible movable small anchor section, 2-flexible fixed small anchor section, 3-tension-relieving V-shaped lower anchor, 4-field section flexible suspension, 5-storehouse front wall, 6-pantograph, 7 -Insulation rod, 8-Suspension string, 9-Contact wire, 10-Fixed cross arm, 11-Tightening spring, 12-Adjusting bolt, 13-Davit, 14-Davit support, 15-Elastic compensator, 16- Lifting chain, 17-butterfly limit mechanism.

Detailed ways

In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

An embodiment of the present invention provides a flexible segmented mobile catenary device, as shown in Figures 1-3, which includes a flexible mobile small anchor segment 1, a flexible fixed small anchor segment 2 and a tension-relieving V-shaped bottom anchor3. The two flexible fixed small anchor sections 2 are respectively connected with the field section flexible suspensions 4 on both sides, and two flexible mobile small anchor sections 1 are arranged between the flexible fixed small anchor sections 2. The fixed small anchor section 2 and the flexible mobile small anchor section 1 are electrically connected in sequence. The tension-relieving V-shaped lower anchor 3 is connected to the field section flexible suspension 4, and the other end is fixed on the wall 5 in front of the storehouse to match the tension of the anchor section of the field section flexible suspension 4 and the anchor section of the flexible fixed small anchor section 2. segment tension. The anchor tension of the flexible movable small anchor section 1 and the flexible fixed small anchor section 2 is 1KN-3.5KN. The length of the flexible movable small anchor section 1 is 10m-30m. There is an overlapping area of 0.5m-7m between the flexible movable small anchor section 1 and the flexible fixed small anchor section 2, and between the flexible movable small anchor section 1 and the flexible movable small anchor section 1. The width of this embodiment is less than the length of the pantograph 6 of the electric bus.

The flexible fixed small anchor section 2 includes an insulating rod 7, a hanging string 8, a contact wire 9 and a fixed cross arm 10, the contact wire 9 is suspended from the insulating rod 7 through the hanging string 8, and the insulating rod 7 is suspended from a fixed cross arm 10. A suspender 13 is fixed on the insulating rod 7 . One end of the contact wire 9 extends to the flexible suspension 4 of the field segment, and the other end is connected to the suspension column 13 through the adjusting bolt 12 , and connected to the insulating rod 7 through the tightening spring 11 . The hanging column support 14 is connected with the insulating rod 7 and the hanging column 13 for improving the rigidity of the hanging column 13 . The shortest length of the hanging string 8 is 400mm.

The flexible fixed small anchor section 2 includes an insulating rod 7 , a hanging string 8 , a contact wire 9 , a lifting chain 16 and a butterfly stop mechanism 17 , and the contact wire 9 is suspended from the insulating rod 7 through the hanging string 8 . Suspension columns 13 are fixed on the insulating rod 7 , and the suspension string 8 is located between the two suspension columns 13 . The two ends of the contact line 9 are respectively connected to the suspension column 13 through the adjustment bolt 12 or the elastic compensator 15 , and both are connected to the insulating rod 7 through the tightening spring 11 . The elastic compensator 15 is used to provide the tension of the flexible movable small anchor section 1; the adjusting bolt 12 is used to fine-tune the size and tension on the construction site. The tightening spring 11 reduces the conversion range between the two small anchor sections under the premise of ensuring that the elastic compensator 15 does not scratch the pantograph 6 . The butterfly limit mechanism 17 and the lifting chain 16 are connected with the insulating rod 7 . The butterfly limit mechanism 17 is located between the two lifting chains 16 . The lifting chain 16 and the butterfly stop mechanism 17 are used for the lifting of the flexible movable small anchor section 1, and limit the vertical line and the displacement along the line. The maximum lifting height of the flexible movable small anchor section 1 is not more than 3.5m.

When the electric passenger car enters the warehouse for operation, the lifting chain 16 and the butterfly limit mechanism 17 are at the working height (the contact line 9 of the flexible mobile small anchor section 1 and the flexible fixed small anchor section 2 are at the same height), and this embodiment can work normally. Continuously feed power to electric buses. When the electric bus is overhauled, the lifting chain 16 and the butterfly limit mechanism 17 work, and the flexible movable small anchor section 1 is lifted up to the inspection height. At this time, the contact line 9 of the flexible movable small anchor section 1 is higher than the crane working The height meets the needs of electric bus maintenance.

The present invention has been described in detail through the above examples, but the content described is only an exemplary embodiment of the present invention, and cannot be considered as limiting the implementation scope of the present invention. The protection scope of the present invention is defined by the claims. Those who utilize the technical solutions described in the present invention, or those skilled in the art, under the inspiration of the technical solutions of the present invention, design similar technical solutions to achieve the above technical effects within the spirit and protection scope of the present invention, or The equivalent changes and improvements made in the scope of application should still belong to the scope of protection covered by the patent of the present invention.

Claims (1)

1. The utility model provides a portable contact net device of flexible sectional type which characterized in that: the flexible movable small anchor segment and the flexible movable small anchor segment are electrically connected in sequence, and the flexible movable small anchor segment vertically ascends and descends;

the tension-eliminating V-shaped lower anchor is connected with the field section flexible suspension and is used for matching the anchor section tension of the field section flexible suspension with the anchor section tension of the flexible fixed small anchor section;

the tension of the flexible movable small anchor section and the flexible fixed small anchor section is 1KN-3.5KN;

the flexible movable small anchor section comprises an insulating rod, a dropper, a contact wire and a lifting chain, wherein the contact wire is suspended on the insulating rod through the dropper, and the lifting chain is connected with the insulating rod;

the insulating rod is connected with the butterfly-shaped limiting mechanism;

the flexible fixed small anchor section comprises an insulating rod, a dropper, a contact wire and a fixed cross arm, wherein the contact wire is suspended on the insulating rod through the dropper, and the insulating rod is suspended on the fixed cross arm;

a suspension post is fixed on the insulating rod, and the end part of the contact wire is connected with the suspension post through an adjusting bolt or an elastic compensator and is connected with the insulating rod through a puller spring;

the flexible movable small anchor section and the flexible fixed small anchor section, and the flexible movable small anchor section have an overlapping area of 0.5-7 m;

the length of the flexible movable small anchor section is 10-30 m;

the maximum lifting height of the flexible movable small anchor section is not more than 3.5m.

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