CN112829640A - Large-scale freight yard, container flexible mobile catenary and its operation method - Google Patents
Large-scale freight yard, container flexible mobile catenary and its operation method Download PDFInfo
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- CN112829640A CN112829640A CN202010990963.6A CN202010990963A CN112829640A CN 112829640 A CN112829640 A CN 112829640A CN 202010990963 A CN202010990963 A CN 202010990963A CN 112829640 A CN112829640 A CN 112829640A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/26—Compensation means for variation in length
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Abstract
本发明涉及一种大型货场、集装箱柔性移动接触网及其操作方法，包括移动接触网、第一坠砣结构和第二坠砣结构；所述第一坠砣结构设置在移动接触网的一端；所述第二坠砣结构设置在移动接触网的另一端；承力索和/或接触线沿移动接触网长度方向贯长设置；所述第二坠砣结构的重量大于所述第一坠砣结构的重量；所述第一坠砣结构的重量作用在承力索和/或接触线的一端；所述第二坠砣结构的重量作用在承力索和/或接触线的另一端；还包括转动驱动机构，所述转动驱动机构用于驱动所述移动接触网中立柱上的任意一根转动腕臂结构转动；所述转动驱动机构驱动任意一根转动腕臂结构转动从而控制移动接触网中的承力索和/或接触线移动到铁轨上方或者铁轨一侧边。
The present invention relates to a large-scale freight yard, a flexible mobile catenary for containers and an operation method thereof, comprising a mobile catenary, a first drop mass structure and a second drop mass structure; the first drop mass structure is arranged at one end of the mobile catenary; The second weight drop structure is arranged at the other end of the moving contact net; the bearing cable and/or the contact line is arranged along the length of the moving contact wire; the weight of the second weight drop structure is greater than that of the first weight drop the weight of the structure; the weight of the first weight-bearing structure acts on one end of the bearing cable and/or the contact line; the weight of the second weight-bearing structure acts on the other end of the bearing cable and/or the contact line; and Including a rotation driving mechanism, the rotation driving mechanism is used to drive any rotating arm structure on the upright column of the mobile contact net to rotate; the rotating driving mechanism drives any rotating wrist arm structure to rotate so as to control the mobile contact net The tension cables and/or contact wires in the rail are moved above or to the side of the rail.
Description
Technical Field
The invention belongs to the field of electrified railway mobile contact networks, and particularly relates to a flexible mobile contact network for a large goods yard and a container and an operation method thereof.
Background
With the propulsion of the electric traction of railways, the electric locomotives are adopted to replace the internal combustion locomotives in the transportation of China railway trunks. Electrification is realized in a cargo loading and unloading line or warehousing maintenance. At present, a rigid movable contact net system is adopted, but the existing rigid movable contact net system has extremely high cost, complex structure and inconvenient installation, has high requirements on the use conditions of the line and poor structural reliability; the motor is used for driving the rotating support to rotate so as to drive the moving section of the overall moving contact net to move to one side of a rail, in the mode, the bus bar is integrally arranged at the tail end of the rotating support, and the motor is more and difficult to control the synchronism of the motor or the driving of the electric push rod.
On the other hand, in the prior art, a flexible movable contact net is also used, a motor is used for directly dragging a catenary on one side of the flexible contact net to enable the contact line to move to one side of a rail, and the mode has the defects of insufficient dragging force, unstable operation and the like for the movable contact net with a long distance of an integral anchor section; because only one balance weight is adopted, the length of the movable contact net is generally not more than 800 m.
The ten thousand ton heavy load train adopts a double-machine or multi-machine traction running super-long and super-heavy cargo train, which is characterized in that: the vehicle has large load capacity; the number of trains is large. According to the main technical policy of the existing railway, 5000t heavy-load freight trains are driven, the effective length of the arrival and departure line of a station is 1050m, 10000t heavy-load freight trains are driven on a special coal conveying line, and the effective length of the arrival and departure line of part of stations is 1700 m. Comprises a unit type heavy-duty train, a combined type heavy-duty train and an entire-row type heavy-duty train.
For such a long-distance heavy-duty train, for example, a ten thousand-ton heavy-duty train of 1400m to 1700m, if the diesel locomotive is used for shunting operation, a plurality of trains need to be separated, and the existing technology has high cost and needs to rent the diesel locomotive to stop at a loading and unloading point; when the electric tractor reaches a loading and unloading point, the internal combustion engine and the electric tractor need to be exchanged, so that the efficiency is extremely low; in order to exchange the traction vehicles, the stop line needs to be repaired and converted newly, and the investment is increased. The key point is that the existing diesel locomotive has no high-power locomotive and cannot pull a heavy-load train.
Disclosure of Invention
In order to achieve the purpose, the applicant provides a set of flexible mobile overhead line system for large goods yards and containers, which can effectively control the stop points, and compared with a rigid overhead line system, the flexible mobile overhead line system has the advantages of lower cost, more reliable operation, less influence of weather and simpler maintenance; the contact net provided by the application overcomes the defect that the original dragging mode is adopted for moving, the gravity supplementing mode is used for moving, and the integral movement of a longer distance (1600m-1700m) can be realized by effectively improving the existing contact net. The locomotive can meet the requirement of cargo handling lines or warehousing maintenance of the existing freight trains of the locomotives, and can be effectively applied to heavy-duty trains such as ten-thousand-ton trains.
In order to achieve the purpose, the invention provides a flexible mobile contact net for a large goods yard and a large container on the one hand, which comprises a mobile contact net, a first weight structure and a second weight structure; the first balance weight structure is arranged at one end of the movable contact net; the second balance weight structure is arranged at the other end of the movable contact net; the carrier cable and/or the contact line are arranged along the length direction of the mobile contact net in a penetrating way; the weight of the second weight structure is greater than that of the first weight structure; the weight of the first weight structure acts on one end of the carrier cable and/or the contact line; the weight of the second weight structure acts on the other end of the carrier cable and/or the contact line; the movable contact net center column is characterized by further comprising a rotation driving mechanism, wherein the rotation driving mechanism is used for driving any one rotation cantilever structure on the movable contact net center column to rotate.
Furthermore, the rotation driving mechanism drives any one of the rotation cantilever structures to rotate to control the messenger wire and/or the contact wire in the movable contact net to be in a static state and move towards the direction of the lighter first weight structure or the direction of the heavier second weight structure, so that the messenger wire and/or the contact wire in the movable contact net is controlled to move above the rail or to one side of the rail.
Further, the weight of the second weight structure at the other end of the movable contact net is larger than that of the first weight structure at one end of the movable contact net, and a catenary and/or a contact line in the movable contact net always has a movement trend towards the other end;
the rotary drive mechanism has three operating states:
the first method comprises the following steps: the rotation driving mechanism stops actuating, and a catenary and/or a contact line in the mobile contact network are/is in a static state;
and the second method comprises the following steps: the rotation driving mechanism drives the rotation cantilever structure to move the whole catenary and/or contact line in the contact net to the other end, namely the direction of the heavier second balance weight;
and the third is that: the rotation driving mechanism drives the rotation cantilever structure to move the carrier cable and/or the contact line in the contact net integrally towards one end, namely the lighter first balance weight structure.
Furthermore, the rotation driving mechanism comprises a rotation motor, and the rotation motor is used for driving any one rotation cantilever structure in the movable contact network to rotate so as to drive the catenary and/or the contact line in the whole movable contact network to move above the rail or to one side of the rail.
Furthermore, the rotation driving mechanism comprises an electric/hydraulic push rod, and the electric/hydraulic push rod is used for driving any one rotation cantilever structure in the movable contact net to rotate so as to drive the catenary and/or the contact line in the whole movable contact net to move above the rail or to one side of the rail.
Furthermore, one end of the carrier cable and/or the contact line is arranged on the rotating cantilever structure of the first upright post, and the other end of the carrier cable and/or the contact line is arranged on the rotating cantilever structure of the last upright post;
a first fixed point structure and a second fixed point structure are arranged on the rotating wrist arm structures of the first upright post and the last upright post;
one end of the carrier cable and/or the contact line is arranged on a first fixed point structure in the rotating wrist-arm structure of the first upright post; the other end of the carrier cable and/or the contact line is arranged on a first fixed point structure in the rotating wrist-arm structure of the last upright post;
the first weight structure and the second weight structure are arranged in the following manner:
the first method comprises the following steps:
the weight acting force provided by the first balance weight structure directly acts on one end of a catenary and/or a contact line, or the weight acting force provided by the first balance weight structure acts on a second fixed point structure on the first stand column rotating wrist arm structure; or
And the second method comprises the following steps:
the weight acting force provided by the second weight structure directly acts on the other end of the catenary and/or the contact line; or the weight action force provided by the second balance weight structure acts on a second fixed point structure on the last upright post rotating wrist arm structure;
and the third is that: one end of the carrier cable and one end of the contact line extend outwards and are converged and then are connected with the first balance weight structure, or
The other end of the carrier cable and the other end of the contact line extend outwards and are converged and then are connected with the second balance weight structure.
Furthermore, the first fixed point structure and the second fixed point structure are overlapped, a mobile overhead line system positioning device is arranged at the first fixed point structure of the rotating cantilever structure, and the second fixed point structure is arranged on the mobile overhead line system positioning device.
Furthermore, the mobile contact net positioning device is provided with a catenary mechanism and a positioning mechanism, the catenary is arranged on the catenary mechanism, and the contact line is arranged on the positioning mechanism;
the weight of the first balance weight structure acts on the insulating connecting piece; or
The other end of the carrier cable and the other end of the contact wire extend outwards and are converged on the insulating connecting piece, and the weight of the second balance weight structure acts on the insulating connecting piece.
The invention also provides an operation method of the large goods yard and the flexible moving contact net for the containers, which adopts the large goods yard and the flexible moving contact net for the containers and has the following specific operation method:
a first balance weight structure is arranged at one end of the movable contact net, and a second balance weight structure is arranged at the other end of the movable contact net; the weight of the second weight structure is greater than that of the first weight structure;
the weight of the first weight structure acts on one end of the carrier cable and/or the contact line; the weight of the second weight structure acts on the other end of the carrier cable and/or the contact line;
driving any one rotating cantilever structure on the middle upright post of the moving contact net to rotate by using a rotating driving mechanism;
the rotation driving mechanism drives any one rotation cantilever structure to rotate to control the messenger wire and/or the contact wire in the movable contact net to be in a static state, move towards the direction of a first lighter weight structure or move towards the direction of a second heavier weight structure, and therefore the messenger wire and/or the contact wire in the movable contact net is controlled to move above a rail or to one side edge of the rail.
Further, the weight of the second weight structure at the other end of the movable contact net is larger than that of the first weight structure at one end of the movable contact net, and a catenary and/or a contact line in the movable contact net always has a movement trend towards the other end;
the weight of the second weight structure at the other end of the movable contact net is larger than that of the first weight structure at one end of the movable contact net, and a catenary and/or a contact line in the movable contact net always has a movement trend towards the other end;
the rotary drive mechanism has three operating states:
the first method comprises the following steps: the rotation driving mechanism stops actuating, and a catenary and/or a contact line in the mobile contact network are/is in a static state;
and the second method comprises the following steps: the rotation driving mechanism drives the rotation cantilever structure to move the whole catenary and/or contact line in the contact net to the other end, namely the direction of the heavier second balance weight;
and the third is that: the rotation driving mechanism drives the rotation cantilever structure to move the carrier cable and/or the contact line in the contact net integrally towards one end, namely the lighter first balance weight structure.
The invention has the following beneficial effects:
1. the rotary driving mechanism is used for controlling the messenger wire and/or the contact wire in the movable contact net to be in a static state, move towards the direction of a lighter first weight structure or move towards the direction of a heavier second weight structure, and therefore the messenger wire and/or the contact wire in the movable contact net are controlled to move above a rail or to one side edge of the rail.
2. The traditional rigid movable contact net has the advantages that the structure is complex, a rigid bus bar needs to be borne, the number of components is large, the weight is large, the spacing distance between the stand columns is 9-12M, the spacing distance between the stand columns of the movable contact net provided by the invention can be set to be 40-50M, the bearing cable of the flexible contact net provided by the invention is more uniform in stress, the construction period is short, the influence of factors such as weather and temperature difference is small, the movable contact net can be widely applied to various severe environments, the service life is long, the movable contact net can be improved on the basis of the existing contact net, the installation and the maintenance are convenient, the fixed contact net is similar in structure, and the like.
3. In the traditional flexible movable contact net, a single-side direct dragging catenary is adopted, the dragging force is insufficient for a long-distance movable contact net, and meanwhile, the single-side dragging mode has the conditions of large structural damage to the contact net, potential safety risk and unstable operation. The moving mode is an innovation in the current movable flexible overhead line system, and the prior art or the prior patent which adopts the device provided by the invention to realize the movement of the flexible movable overhead line system is not discovered for a while.
3) By adopting the device provided by the invention, the shunting operation of the internal combustion locomotive is not needed for the ten thousand-ton heavy-duty train, the traditional condition that a plurality of trains are required to be disconnected and even the heavy-duty train cannot be pulled is overcome, the requirement of goods loading and unloading lines or warehousing maintenance of the ten thousand-ton train can be effectively met, the working efficiency is improved, the expense for purchasing the internal combustion locomotive is greatly saved, and the labor cost for allocating, maintaining and repairing the internal combustion locomotive in the prior art is saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of a large cargo yard, container flexible mobile contact network of the present invention;
FIG. 2 is one of the top views of the flexible mobile contact system for large cargo yard and container of the present invention;
fig. 3 is a second top view of the flexible mobile contact system for large cargo yard and container of the present invention;
fig. 4 is a schematic structural view of the weight acting force provided by the first weight structure of the present invention acting directly on the messenger wire;
FIG. 5 is a structural schematic diagram of the weight acting force provided by the first weight structure directly acting on the contact line;
fig. 6 is a schematic structural view of the weight force provided by the first weight structure acting directly on the messenger wire and the contact wire;
FIG. 7 is a structural schematic diagram of a second fixed point structure where the weight force provided by the first weight structure acts on the first upright rotating wrist arm structure;
fig. 8 is a flow chart of the operation method of the flexible mobile overhead line system of the invention.
In the figure: 1. moving the contact net; 2. a first weight structure; 3. a second weight structure; 4. a catenary cable; 5. a contact line; 6. rotating the motor; 7. an electric/hydraulic push rod; 8. a rotating wrist arm structure of the first upright post; 9. a rotating wrist arm structure of the last upright post; 10. moving the contact net positioning device; 101. a catenary mechanism; 102. a positioning mechanism; 11. an insulating connector; A. a first anchor point structure; B. a second anchor point arrangement.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the invention, as detailed in the appended claims.
As shown in fig. 1 and fig. 2, the embodiment provides a flexible mobile contact system for a large goods yard and a large container, which includes a mobile contact system 1, a first weight structure 2 and a second weight structure 3; the first balance weight structure 2 is arranged at one end of the movable contact net 1; the second balance weight structure 3 is arranged at the other end of the movable contact net 1; the carrier cable 4 and/or the contact line 5 are arranged along the length direction of the mobile contact net in a penetrating way; the weight of the second weight structure 3 is greater than that of the first weight structure 2; the weight of the first balance weight structure 2 acts on one end of the carrier cable and/or the contact line 5; the weight of the second weight structure 3 acts on the other end of the carrier cable and/or the contact line 5;
the movable contact net center column is characterized by further comprising a rotation driving mechanism, wherein the rotation driving mechanism is used for driving any one rotation cantilever structure on the movable contact net center column to rotate. The rotation driving mechanism drives any one rotation cantilever structure to rotate to control the messenger wire and/or the contact wire in the movable contact net to be in a static state, move towards the direction of a first lighter weight structure or move towards the direction of a second heavier weight structure, and therefore the messenger wire and/or the contact wire in the movable contact net is controlled to move above a rail or to one side edge of the rail.
In the embodiment, the weight of the second weight structure at the other end of the mobile contact network is greater than that of the first weight structure at one end of the mobile contact network, and a catenary and/or a contact line in the mobile contact network always have a movement trend towards the other end; the rotary drive mechanism has three operating states:
the first method comprises the following steps: the rotation driving mechanism stops actuating, and a catenary and/or a contact line in the mobile contact network are/is in a static state;
and the second method comprises the following steps: the rotation driving mechanism drives the rotation cantilever structure to move the whole catenary and/or contact line in the contact net to the other end, namely the direction of the heavier second balance weight;
and the third is that: the rotation driving mechanism drives the rotation cantilever structure to move the carrier cable and/or the contact line in the contact net integrally towards one end, namely the lighter first balance weight structure.
As a preferred embodiment, as shown in fig. 2, the rotation driving mechanism in this embodiment includes a rotation motor 6, and the rotation motor is configured to drive any one of the rotating wrist arm structures in the moving catenary to rotate, so as to drive the catenary and/or the contact line in the whole moving catenary to move above the rail or to one side of the rail. The rotating wrist arm structure is arranged on the stand column through a rotating shaft, and the rotating motor drives the rotating shaft to rotate so as to drive the rotating wrist arm structure to rotate.
As a preferred embodiment, as shown in fig. 3, the rotation driving mechanism in this embodiment includes an electric/hydraulic push rod 7, which is used to drive any one of the rotating wrist arm structures in the moving catenary to rotate, so as to drive the catenary and/or the contact line in the whole moving catenary to move above the rail or to one side of the rail. The electric/hydraulic push rod is arranged on the upright post and used for pushing the rotating wrist arm structure to rotate.
As shown in fig. 1, as a preferred embodiment, one end of the catenary and/or contact line 5 is disposed on the rotating arm structure 8 of the first column, and the other end is disposed on the rotating arm structure 9 of the last column.
As shown in fig. 2, to further supplement the description by using the left end top view of the mobile catenary 1, a first fixing point structure a and a second fixing point structure B are arranged on the rotating wrist arm structures of the first upright post and the last upright post;
one end of the carrier cable and/or the contact line 5 is arranged on a first fixed point structure A in a rotating wrist arm structure 8 of the first upright post; the other end of the carrier cable and/or the contact line 5 is arranged on a first fixed point structure A in the rotating wrist-arm structure 9 of the last upright post;
it should be added here that the first and second fixing point structures are intended to illustrate the spatial position of the rope connection, and the structure of the fixing point structure itself is not a point of protection of this patent, and for the purpose of illustration disclosure, several embodiments are provided, such as directly tying the rope at the first or second fixing point, or arranging a corresponding hook at the first or second fixing point, as long as the rope can be conveniently tied.
The first fixing point is preferably provided at the free end of the swivel arm in this embodiment, and the second fixing point is provided at an arbitrary position of the swivel arm body.
In order to facilitate the installation of the catenary and the contact wire 5, in this embodiment, the mobile catenary positioning device 10 is installed at the first fixed point, i.e., the free end of the rotating cantilever, the mobile catenary 1 positioning device is provided with a catenary mechanism 101 and a positioning mechanism 102, the catenary 4 is arranged on the catenary mechanism 101, the contact wire 5 is arranged on the positioning mechanism 102,
of course, there is a case where the first fixed point and the second fixed point coincide, and the explanation of the present embodiment is as follows: the movable contact net positioning device is arranged at the first fixed point, namely the free end of the movable cantilever, the second fixed point is arranged at any position (such as a point C in figure 1) of the positioning device, and the dragging can be realized as long as the rope can be tied. This is described as the coincidence of the first anchor point structure and the second anchor point structure.
As a practical application situation, in an actual working condition, there is a situation that only the contact wire 5 exists, and there is a situation that the contact wire and the catenary wire exist at the same time.
As shown in fig. 6, when the contact wire 5 and the messenger wire are simultaneously used, an insulating connecting piece 11 may be provided to facilitate connection with the first and second weight structures, one end of the messenger wire and one end of the contact wire 5 extend outward and are converged on the insulating connecting piece, and the weight of the first weight structure 2 acts on the insulating connecting piece; or
The other end of the carrier cable and the other end of the contact wire 5 extend outwards and are converged on the insulating connecting piece, and the weight of the second balance weight structure 3 acts on the insulating connecting piece 11.
The connection condition of the catenary and the contact line 5 in actual working conditions is discussed above, and the connection mode of the weight structure in the patent is specifically discussed below:
the first method comprises the following steps:
the weight acting force provided by the first balance weight structure 2 directly acts on one end of a catenary and/or a contact wire 5, or the weight acting force provided by the first balance weight structure 2 acts on a second fixed point structure on the first stand column rotating wrist arm structure;
supplementary explanation: fig. 4 is a schematic structural view of the weight force provided by the first weight structure 2 acting directly on the messenger wire;
fig. 5 is a structural schematic diagram of the weight acting force provided by the first weight structure 2 directly acting on the contact line 5;
fig. 6 is a schematic structural view of the weight force provided by the first weight structure 2 acting directly on the messenger wire and the contact wire 5;
fig. 7 is a structural schematic diagram of a second fixed point structure, on which the weight acting force provided by the first weight structure 2 acts on the first stand column rotating wrist arm structure.
Or
And the second method comprises the following steps:
the weight acting force provided by the second balance weight structure 3 directly acts on the other end of the carrier cable and/or the contact line 5; or the weight action force provided by the second balance weight structure 3 acts on a second fixed point structure on the last upright post rotating wrist arm structure;
it should be noted that the second weight structure 3 may be arranged in the manner of the first weight, as shown in fig. 4 to 7.
And the third is that:
as a special setting: as shown in fig. 6, one end of the carrier cable and one end of the contact line 5 extend outwards and are converged and then connected with the first balance weight structure 2, or
The other end of the carrier cable and the other end of the contact line 5 extend outwards and are connected with the second balance weight structure 3. The other end is not shown.
As shown in fig. 8, another aspect of the present invention provides an operation method for a large yard and a flexible mobile contact system for containers, where the operation method for the large yard and the flexible mobile contact system for containers with the above right is as follows:
a first balance weight structure is arranged at one end of the movable contact net, and a second balance weight structure is arranged at the other end of the movable contact net; the weight of the second weight structure is greater than that of the first weight structure;
the weight of the first weight structure acts on one end of the carrier cable and/or the contact line; the weight of the second weight structure acts on the other end of the carrier cable and/or the contact line;
driving any one rotating cantilever structure on the middle upright post of the moving contact net to rotate by using a rotating driving mechanism;
the rotation driving mechanism drives any one rotation cantilever structure to rotate to control the messenger wire and/or the contact wire in the movable contact net to be in a static state, move towards the direction of a first lighter weight structure or move towards the direction of a second heavier weight structure, and therefore the messenger wire and/or the contact wire in the movable contact net is controlled to move above a rail or to one side edge of the rail.
As a preferred embodiment, the weight of the second weight structure at the other end of the mobile contact network is greater than that of the first weight structure at one end of the mobile contact network, and the catenary and/or the contact line in the mobile contact network always have a movement trend towards the other end;
the weight of the second weight structure at the other end of the movable contact net is larger than that of the first weight structure at one end of the movable contact net, and a catenary and/or a contact line in the movable contact net always has a movement trend towards the other end;
the rotary drive mechanism has three operating states:
the first method comprises the following steps: the rotation driving mechanism stops actuating, and a catenary and/or a contact line in the mobile contact network are/is in a static state;
and the second method comprises the following steps: the rotation driving mechanism drives the rotation cantilever structure to move the whole catenary and/or contact line in the contact net to the other end, namely the direction of the heavier second balance weight;
and the third is that: the rotation driving mechanism drives the rotation cantilever structure to move the carrier cable and/or the contact line in the contact net integrally towards one end, namely the lighter first balance weight structure.
In the invention, the rotation driving mechanism is utilized to control the messenger wire 4 and/or the contact wire 5 in the moving contact net 1 to be in a static state, move towards the direction of the lighter first weight structure 2 or move towards the direction of the heavier second weight, so that the messenger wire 4 and/or the contact wire 5 in the moving contact net 1 is controlled to move above a rail or to one side of the rail.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113581022A (en) * | 2021-09-11 | 2021-11-02 | 兰州新伟车辆装备有限公司 | Folding type sinking support device, mobile contact net and operation method |
| CN114148222A (en) * | 2021-12-20 | 2022-03-08 | 兰州新伟车辆装备有限公司 | Flexible mobile catenary for container in large freight yard and operation method |
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| CN113581022A (en) * | 2021-09-11 | 2021-11-02 | 兰州新伟车辆装备有限公司 | Folding type sinking support device, mobile contact net and operation method |
| CN114148222A (en) * | 2021-12-20 | 2022-03-08 | 兰州新伟车辆装备有限公司 | Flexible mobile catenary for container in large freight yard and operation method |
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