阅读说明：本技术 一种地铁隧道施工方法及用于该方法的移动充电系统 (Subway tunnel construction method and mobile charging system used for same ) 是由 *** 孙涛 房师涛 苏冲 王涛 吴保应 罗万武 周强 李棋 于 2019-09-18 设计创作，主要内容包括：本发明公开了一种地铁隧道施工方法及用于该方法的移动充电系统,其方法为对地铁隧道牵引机车的电瓶进行充电；对地铁隧道牵引机车的装载电瓶进行充电。实现上述方法的移动充电系统：电缆支撑装置包括用于支撑电缆的滑动小车和用于支撑所述滑动小车的滑轨,所述滑轨沿地铁隧道轨道的方向布置；所述电缆与所述电缆支撑装置相连处为连接点,所述滑动小车的数量至少为1个,所述滑动小车滑动地设置在所述滑轨上,并与所述电缆相连形成连接点。本发明可以在使用时对电瓶充电,因此不用更换电瓶,减轻了工作人员的负担；能在地铁隧道牵引机车正常工作的条件下对其电瓶进行充电,避免了因充电或更换电瓶造成施工中断的问题,提高了施工效率。(The invention discloses a subway tunnel construction method and a mobile charging system used for the method, wherein the method is to charge a storage battery of a subway tunnel traction locomotive; and charging a loading storage battery of the subway tunnel traction locomotive. The mobile charging system for realizing the method comprises the following steps: the cable supporting device comprises a sliding trolley for supporting the cable and a sliding rail for supporting the sliding trolley, and the sliding rail is arranged along the direction of the subway tunnel track; the cable is connected with the cable supporting device to form a connection point, the number of the sliding trolleys is at least 1, and the sliding trolleys are arranged on the sliding rail in a sliding mode and are connected with the cable to form the connection point. The invention can charge the storage battery when in use, so the storage battery does not need to be replaced, and the burden of workers is lightened; the storage battery can be charged under the condition that the subway tunnel traction locomotive normally works, the problem of construction interruption caused by charging or storage battery replacement is avoided, and the construction efficiency is improved.)

1. A subway tunnel construction method is characterized in that a storage battery of a subway tunnel traction locomotive is charged; the method is characterized in that a loading storage battery of the subway tunnel traction locomotive is charged.

2. The construction method according to claim 1, wherein the charging is performed in an operating state of a subway tunnel traction vehicle.

3. The construction method according to claim 2, wherein the charging is carried out in a mobile charging section located on a line on which a subway tunnel tractor vehicle operates.

4. The construction method according to claim 3, wherein the mobile charging section is provided in a section where a subway tunnel traction vehicle unloads or loads a transportation load.

5. The construction method according to claim 4, characterized in that a loading battery of the subway tunnel tractor is charged through a cable supporting device, the cable supporting device comprises a sliding trolley for supporting a cable and a slide rail for supporting the sliding trolley, and the slide rail is arranged along the direction of the subway tunnel track; the connecting part of the cable and the cable supporting device is a connecting point, the cable is connected with a power supply, the number of the sliding trolleys is at least 1, and the sliding trolleys are arranged on the sliding rail in a sliding manner and are connected with the cable to form the connecting point; a loading battery of the subway tunnel traction locomotive is connected with a cable through a charging interface; when the subway tunnel traction locomotive charges in the mobile charging interval, the charging interface drives the sliding trolley to move on the sliding rail; and the two sides of the sliding rail are provided with sliding limit positions of the sliding trolley, and when the sliding trolley reaches the limit positions and cannot move, the subway tunnel traction locomotive reaches the limit positions of the movable charging interval.

6. A mobile charging system for implementing the construction method described in any one of the above 1 to 4, comprising: the charging device comprises a power supply, a cable and a charging interface for connecting the cable with a storage battery, wherein the cable is connected with the power supply;

further comprising: the cable supporting device comprises a sliding trolley for supporting a cable and a sliding rail for supporting the sliding trolley, and the sliding rail is arranged along the direction of the subway tunnel track; the cable is connected with the cable supporting device to form a connection point, the number of the sliding trolleys is at least 1, and the sliding trolleys are arranged on the sliding rail in a sliding mode and are connected with the cable to form the connection point.

7. the mobile charging system of claim 6, wherein: it still includes and is used for supporting the support of slide rail, the support sets up on subway tunnel's wall.

8. The mobile charging system of claim 7, wherein: the support comprises angle steel and a supporting beam, the supporting beam is welded with the angle steel, and an inclined strut is arranged between the supporting beam and the angle steel.

9. the mobile charging system of claim 8, wherein: a sliding groove is formed in the supporting beam, a sliding block is arranged at the top of the sliding rail, and the sliding block can slide in the sliding groove.

10. The mobile charging system of claim 6, wherein: the number of the sliding trolleys is at least 2, each sliding trolley is connected with a cable to form a connection point, and when the adjacent connection points are close to each other, the cables between the adjacent connection points are in a loose state.

Technical Field

The invention relates to the technical field of rail transit, in particular to a subway tunnel construction method and a mobile charging system used for the method.

Background

The battery traction locomotive is one of the most common transportation tools in subway tunnel projects, and is mainly used for transporting mortar, muck, duct pieces and the like in the tunneling process of a shield machine.

When the storage battery used by the existing storage battery traction locomotive is charged, a heavy storage battery needs to be lifted out of the traction locomotive and placed in a special field, and then large-scale special equipment is used for charging; therefore, in the construction of the subway tunnel, after electric energy is exhausted every time, the existing battery traction locomotive needs to stop working and replace a battery, so that the following problems are caused:

1. The storage battery needs to be replaced after the electric energy in the storage battery of the traction locomotive is exhausted, but the time consumption for replacing the storage battery every time is long, and the interruption of relevant construction on site can be caused, so that the construction efficiency of the project is influenced;

2. The process of changing the storage battery of the traction locomotive is complicated, and needs a plurality of people to cooperate, and generally, the exhausted storage battery is firstly hoisted out of the traction locomotive by using a crane, and then the charged storage battery is hoisted into the storage battery traction locomotive, so that extra heavy burden is brought to workers.

disclosure of Invention

The invention aims to: aiming at the problems that the charged storage battery needs to be replaced after the electric energy in the storage battery of the subway tunnel traction locomotive is exhausted in the prior art and the field construction is interrupted due to the replacement of the storage battery, the construction method which can charge the storage battery of the subway tunnel traction locomotive under the condition of normal work without replacing the storage battery is provided.

Accordingly, another technical problem to be solved by the invention is to provide a mobile charging system which can charge the storage battery of the subway tunnel traction locomotive under the condition that the storage battery is loaded without replacing the storage battery.

In order to achieve the purpose, the invention adopts the technical scheme that:

A subway tunnel construction method is characterized in that a storage battery of a subway tunnel traction locomotive is charged; and charging a loading storage battery of the subway tunnel traction locomotive. The charging step is carried out under the condition that the subway tunnel traction locomotive stops or normally works, and the loading storage battery of the subway tunnel traction locomotive is directly charged, so that the storage battery does not need to be replaced, and the problem of field construction interruption caused by replacement of the storage battery is avoided.

Preferably, the charging is performed in a working state of the subway tunnel traction locomotive. The loading storage battery is charged after the machine is stopped, although the storage battery is not required to be replaced, the charging time is required, and the construction efficiency is also influenced to a certain extent. In order to solve the problems, the charging step is carried out in the working state of the subway tunnel traction locomotive, so that the condition that the shutdown affects the construction efficiency is avoided.

Preferably, the charging is performed in a mobile charging section, and the mobile charging section is located on a line where the subway tunnel traction locomotive runs. The storage battery is charged in the movable charging interval, so that construction is not influenced, and movable charging conditions are provided.

Preferably, the mobile charging section is arranged in a section where the subway tunnel traction vehicle unloads or loads a transportation load. The movable charging interval is arranged in a construction section needing stable position of the subway tunnel traction locomotive, so that the storage battery can be ensured to have longer charging time, and the charging effect is better. In the unloading or loading area, the traction locomotive is basically fixed or moves in a small range, and more charging time can be obtained.

As a preferred mode, a loading battery of the subway tunnel traction locomotive is charged through a cable supporting device, wherein the cable supporting device comprises a sliding trolley for supporting a cable and a sliding rail for supporting the sliding trolley, and the sliding rail is arranged along the direction of a subway tunnel track; the connecting part of the cable and the cable supporting device is a connecting point, the cable is connected with a power supply, the number of the sliding trolleys is at least 1, and the sliding trolleys are arranged on the sliding rail in a sliding manner and are connected with the cable to form the connecting point; a loading battery of the subway tunnel traction locomotive is connected with a cable through a charging interface; when the subway tunnel traction locomotive charges in the mobile charging interval, the charging interface drives the sliding trolley to move on the sliding rail; and the two sides of the sliding rail are provided with sliding limit positions of the sliding trolley, and when the sliding trolley reaches the limit positions and cannot move, the subway tunnel traction locomotive reaches the limit positions of the movable charging interval. The invention provides a cable supporting device for the movement of a cable, which has a supporting function on the cable and does not influence the movement of the cable. Due to the arrangement, the cable is prevented from being rubbed on the ground, and the service life of the cable is prolonged. Simultaneously, because the slide rail has certain length, can guarantee that the cable removes in the certain limit, the removal of cooperation traction engine, it is better to remove the charging effect.

A mobile charging system for realizing a subway tunnel construction method comprises the following steps: the charging device comprises a power supply, a cable and a charging interface for connecting the cable with a storage battery, wherein the cable is connected with the power supply;

Further comprising: the cable supporting device comprises a sliding trolley for supporting a cable and a sliding rail for supporting the sliding trolley, and the sliding rail is arranged along the direction of the subway tunnel track; the cable is connected with the cable supporting device to form a connection point, the number of the sliding trolleys is at least 1, and the sliding trolleys are arranged on the sliding rail in a sliding mode and are connected with the cable to form the connection point. Further, the power supply may be a three-phase power supply. The power supply is connected with 380V industrial power, and the existing commercial power line can be conveniently used as a power supply source.

In the construction of subway tunnels, a cable for charging a battery traction locomotive needs to stretch along with the movement of the battery traction locomotive; the cable supporting sliding trolley can move on the sliding rail to stretch along with the cable so as to provide a moving supporting point position, and therefore the movable cable is supported. The sliding rails are arranged along the direction of the subway tunnel rail, so that the moving direction of the sliding trolley is consistent with the moving direction of the battery traction locomotive in the subway tunnel, the telescopic direction of the supported cable can be consistent with the moving direction of the battery traction locomotive, and the effect of moving and charging the battery traction locomotive in the subway tunnel is achieved. The cable is mobilizable, just so can be for subway tunnel traction locomotive removes the power supply, and then realizes carrying out the removal effect of charging to its storage battery under subway tunnel traction locomotive normal operating condition.

As a preferable scheme of the invention, the invention further comprises a bracket for supporting the sliding rail, and the bracket of the cable supporting device is arranged on the wall surface of the subway tunnel construction site, so that the bracket can be prevented from obstructing the passage of constructors.

as the preferred scheme of the invention, the bracket comprises angle steel and a support beam, the support beam is welded with the angle steel, and a diagonal brace is arranged between the support beam and the angle steel.

As the preferred scheme of the invention, the supporting beam is provided with a sliding groove, the top of the sliding rail is provided with a sliding block, and the sliding block can slide in the sliding groove.

As a preferable scheme of the invention, the number of the sliding trolleys is at least 2, each sliding trolley is connected with a cable to form a connecting point, and when the adjacent connecting points are close to each other, the cable between the adjacent connecting points is in a loose state.

As a preferable scheme of the invention, the storage battery is a lithium battery.

In a preferred embodiment of the present invention, the cable is a flat cable.

As a preferable scheme, the invention further comprises a safety limiting alarm device, the safety limiting alarm device comprises an alarm and a sensing trigger, the sensing trigger is arranged on the sliding rail, and when the sensing trigger is triggered, the alarm is connected with a power supply to alarm. The safety limiting alarm device can play a role in reminding and is used for preventing the cable from being accidentally pulled apart.

The sensing trigger is positioned on the travel of the mobile charging of the storage battery of the subway tunnel traction locomotive, is used for providing a position signal of the locomotive, and can be arranged at the starting point and the end point of the maximum travel of the mobile charging system, so that the sensing trigger is used for triggering the sensing trigger of the safety limit alarm device when the locomotive in the subway tunnel construction reaches the maximum or minimum limit position of the mobile charging system, the sensing trigger can transmit the signal to the control device through a cable, and then the control device can make the alarm give an alarm to remind a worker that the locomotive approaches the travel limit of the mobile charging system. Because the sensing trigger can adjust the installation position according to the change of the travel range of the mobile charging of the locomotive, the locomotive can be prevented from exceeding the limit position of the mobile charging system (for example, the sensing contactor is arranged 20cm before the limit position is reached), and the problem that the power supply cable is torn off is caused. In addition, because the sensing trigger can be provided with a plurality of, the sensing trigger can be arranged at the travel limit of the moving charging in the advancing direction or the retreating direction of the locomotive, so that the problem that the locomotive handle moving power supply cable is broken is avoided.

As a preferable aspect of the present invention, the cable is provided with a safety rope, the length of the safety rope is shorter than the length of the cable, and the safety rope is used for preventing the cable from being torn.

As a preferred scheme of the invention, the charging interface comprises a charging plug and a charging socket, the charging socket is connected with a charging wire of the storage battery, the charging plug is connected with a cable arranged on the cable supporting device, and the charging socket is used for charging the storage battery after being connected with the charging plug.

As a preferred scheme of the invention, the charging socket is provided with the charging jack and the clamping ring, the charging plug is provided with the charging pin and the clamping part, and the clamping part is used for clamping the clamping ring to ensure the reliable connection of the charging socket and the charging plug.

as a preferred aspect of the present invention, the clamping portion includes a clamping rod (or a spring plate) provided with a clamping head, when the charging pin of the charging plug is inserted into the charging jack of the charging socket, the clamping rod provided on the charging plug is pressed by the charging socket, and when the charging pin is in place, the clamping head on the spring plate clamps or clamps the clamping ring. Preferably, the clamping head is a triangular plate at the end part of the clamping rod.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. The storage battery can be charged when in use, so that the storage battery does not need to be replaced, and the burden of workers is lightened;

2. The storage battery can be charged under the condition that the subway tunnel traction locomotive normally works, the problem of construction interruption caused by charging or storage battery replacement is avoided, and the construction efficiency is improved.

Drawings

Fig. 1 is a perspective view of a cable support device;

FIG. 2 is a side view of the cable support device;

FIG. 3 is a front view of the cable support device;

FIG. 4 is a perspective view of the safety limit warning device;

FIG. 5 is a front view of the safety margin alarm device;

FIG. 6 is a schematic diagram of a mobile charging system;

FIG. 7 is a schematic diagram of a charging configuration;

In the figure, 10-sliding trolley, 11-clamping device, 12-sliding device, 13-clamping tile, 14-bolt, 15-cable, 20-sliding rail, 201-sensing trigger, 202-alarm, 203-cable, 210-control device, 30-bracket, 301-power supply, 301A-charging socket, 301B-charging plug, 302-battery jar, 31-mounting hole, 311-clamping part, 312-clamping ring and 32-inclined strut.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.