Large freight yard, flexible mobile catenary for containers and its operation method

Abstract

The present invention relates to a large freight yard, a flexible mobile catenary and an operation method thereof, including a mobile catenary, a first counterweight structure and a second counterweight structure; wherein, the first counterweight structure is arranged at one end of the mobile catenary; the second counterweight structure is arranged at the other end of the mobile catenary; a messenger wire and / or a contact wire are longitudinally arranged along the length direction of the mobile catenary; the weight of the second counterweight structure is greater than that of the first counterweight structure; the weight of the first counterweight structure acts on one end of the messenger wire and / or the contact wire; the weight of the second counterweight structure acts on the other end of the messenger wire and / or the contact wire; further included is a balance pulling mechanism, which controls the messenger wire and / or the contact wire in the mobile catenary to be stationary, move towards the lighter first counterweight structure or move towards the heavier second counterweight structure, so as to control the messenger wire and / or the contact wire in the mobile catenary to move above the railway track or to one side of the railway track.

Description

Technical Field

[0001] The present invention belongs to the field of electrified railway mobile catenaries, and particularly relates to a large freight yard, a flexible mobile catenary for containers, and an operation method thereof. Background Art

[0002] With the advancement of railway electrification traction, electric locomotives have replaced diesel locomotives in the transportation of China's railway main lines. Electrification has been achieved in the goods loading and unloading lines or during in-storage maintenance. Currently, rigid movable catenaries are used. However, the existing rigid movable catenary system has extremely high costs, complex structures, inconvenient installation, high requirements for line usage conditions, and poor structural reliability. It uses an electric motor to drive the rotation of a rotating bracket to drive the movement of the overall mobile catenary to the side of the railway track. In this method, the busbar is installed as a whole at the end of the rotating bracket, and there are many electric motors, making it difficult to control the synchronization of the electric motors or the driving of electric push rods.

[0003] On the other hand, in the prior art, flexible movable catenaries are also used. An electric motor directly drags the carrier cable on one side of the flexible catenary to move the contact wire to the side of the railway track. For a long-distance movable catenary with a full anchor section length, this method has defects such as insufficient pulling force and unstable operation. Since only one counterweight is used, the length of the movable catenary generally does not exceed 800 m.

[0004] A heavy-haul train with a capacity of 10,000 tons is an extremely long and heavy freight train that is towed by two or more locomotives in combination. Its characteristics are: large vehicle load capacity; a large number of cars coupled in the train. According to the existing main railway technical policies, for a heavy-haul freight train with a capacity of 5,000 t, the effective length of the arrival and departure tracks at the station is 1,050 m. For a heavy-haul freight train with a capacity of 10,000 t operating on a dedicated coal transportation line, the effective length of the arrival and departure tracks at some stations is 1,700 m. It includes unit heavy-haul trains, combined heavy-haul trains, and integral heavy-haul trains.

[0005] For such long-distance heavy-haul trains, such as 1400 m to 1700 m heavy-haul trains with a capacity of 10,000 tons, if diesel locomotives are used for shunting operations, multiple cars need to be uncoupled, and the existing technology has high costs. It is necessary to rent diesel locomotives and park them at the loading and unloading points. When the electric tractor reaches the loading and unloading point, the diesel locomotive and the electric tractor need to be interchanged, resulting in extremely low efficiency. In order to be able to interchange the traction vehicles, new parking lines and conversions are also required, increasing the investment. The key point is that there are no high-power locomotives among the current diesel locomotives, and they cannot tow heavy-haul trains. Summary of the Invention

[0006] The applicant's prior patented technology, with the first counterweight disposed at one end of the catenary and / or the contact wire in the mobile catenary; the second counterweight is disposed at the other end of the catenary and / or the contact wire in the mobile catenary. In this way, the pulling force of the rope carrying the counterweight directly acts on the catenary and / or the contact wire. The counterweights on both sides are symmetrically arranged, with counterweights of equal weight. Lifting motors are respectively arranged on both sides. By the action of the lifting motors, the balance is destroyed, and the contact wire is moved from one side of the railway track to above the railway track or from above the railway track to one side of the railway track.

[0007] Through the continuous research and practice of the applicant, the above solution can effectively drive the catenary and / or the contact wire to move to one side of the railway track or above the railway track. However, there is a defect that the stopping points of the entire mobile catenary during the movement process cannot be accurately controlled; for example, when one side lifting motor lifts the counterweight, the catenary and / or the contact wire in the entire catenary move. At the moment when the lifting motor pauses lifting, due to the use of counterweights of equal weight and the inertial movement of the swing of the entire mobile section of the catenary, at the moment when the lifting motor pauses lifting, the contact wire in the catenary cannot stop immediately.

[0008] In the existing flexible catenary technology, including the existing actual application technology and the prior patent application documents, this defect is not disclosed. The applicant is confident that this technical defect is first discovered in this industry. If this defect cannot be solved, it will directly affect the emergency stop problem of the mobile catenary, resulting in potential safety hazards during the commercial use of the product. Therefore, the applicant has provided a complete solution through research and applied for intellectual property protection for this.

[0009] To achieve the above object, the applicant provides a large freight yard and container flexible mobile catenary that can effectively control the stopping points, with lower cost, more reliable operation, less affected by weather, and simpler maintenance compared to the rigid catenary; the catenary provided in this application also overcomes the deficiency of the original method of moving by dragging, and instead uses the method of gravity supplement for movement. It is effectively improved on the basis of the existing catenary, and can achieve integral movement over a longer distance (1600m - 1700m). In addition to being able to meet the loading and unloading lines of freight trains of existing locomotives or the in - depot maintenance, it can also be effectively applied to heavy - haul trains such as ten - thousand - ton trains.

[0010] To achieve the above object, the present invention provides a large freight yard and container flexible mobile catenary, including a mobile catenary, a first counterweight structure, and a second counterweight structure; wherein, the first counterweight structure is disposed at one end of the mobile catenary; the second counterweight structure is disposed at the other end of the mobile catenary;

[0011] The catenary and / or the contact wire are longitudinally arranged along the length direction of the mobile catenary;

[0012] The weight of the second counterweight structure is greater than that of the first counterweight structure;

[0013] The weight of the first counterweight structure acts on one end of the catenary and / or the contact wire; the weight of the second counterweight structure acts on the other end of the catenary and / or the contact wire;

[0014] It further includes a balance pulling mechanism, and the balance pulling mechanism controls the catenary and / or the contact wire in the moving catenary to be stationary, move towards the lighter first counterweight structure, or move towards the heavier second counterweight, so as to control the catenary and / or the contact wire in the moving catenary to move above the railway track or to one side of the railway track.

[0015] Furthermore, the balance pulling mechanism includes a dragging motor, and the dragging motor is arranged at one end of the moving catenary; the dragging power provided by the dragging motor acts on the catenary and / or the contact wire at one end of the moving catenary.

[0016] Furthermore, the weight of the second counterweight structure at the other end of the moving catenary is greater than the weight of the first counterweight structure at one end of the moving catenary, and the catenary and / or the contact wire in the moving catenary always has a tendency to move towards the other end;

[0017] The balance pulling mechanism has three working states:

[0018] The first: The balance pulling mechanism stops operating, the length of the pulling rope of the balance pulling mechanism remains unchanged, and the catenary and / or the contact wire in the moving catenary is in a stationary state;

[0019] The second: The balance pulling mechanism is in a wire-releasing state, the length of the pulling rope of the balance pulling mechanism is lengthened, and the catenary and / or the contact wire in the moving catenary as a whole moves towards the other end, that is, towards the heavier second counterweight;

[0020] The third: The balance pulling mechanism is in a wire-winding state, the length of the pulling rope of the balance pulling mechanism is wound up, and the catenary and / or the contact wire in the moving catenary as a whole moves towards one end, that is, towards the lighter first counterweight structure.

[0021] Furthermore, the balance pulling mechanism includes a lifting motor, and the lifting motor is arranged at the other end of the moving catenary; the lifting power provided by the lifting motor acts on the second counterweight structure at the other end of the moving catenary.

[0022] Furthermore, the weight of the second counterweight structure at the other end of the moving catenary is greater than the weight of the first counterweight structure at one end of the moving catenary, and the catenary and / or the contact wire in the moving catenary always has a tendency to move towards the other end;

[0023] The balance pulling mechanism has three working states:

[0024] First type: The balanced pulling mechanism stops operating, the length of the pulling rope of the balanced pulling mechanism acting on the second counterweight structure remains unchanged, the height of the second counterweight structure remains unchanged, and the carrier cable and / or the contact wire in the moving catenary are in a static state.

[0025] Second type: The balanced pulling mechanism is in the wire releasing state, the length of the pulling rope of the balanced pulling mechanism acting on the second counterweight structure is lengthened, the second counterweight structure descends, and the carrier cable and / or the contact wire in the moving catenary move as a whole towards the other end, i.e., the heavier second counterweight direction.

[0026] Third type: The balanced pulling mechanism is in the wire retracting state, the length of the pulling rope of the balanced pulling mechanism acting on the second counterweight structure is wound up, the second counterweight structure ascends, and the carrier cable and / or the contact wire in the moving catenary move as a whole towards one end, i.e., the lighter first counterweight structure direction.

[0027] Furthermore, one end of the carrier cable and / or the contact wire is arranged on the rotating boom structure of the first column, and the other end is arranged on the rotating boom structure of the last column.

[0028] Furthermore, a first fixing point structure and a second fixing point structure are arranged on the rotating boom structures of the first column and the last column;

[0029] One end of the carrier cable and / or the contact wire is arranged on the first fixing point structure in the rotating boom structure of the first column; the other end of the carrier cable and / or the contact wire is arranged on the first fixing point structure in the rotating boom structure of the last column;

[0030] Regarding the setting methods of the first counterweight structure and the second counterweight structure:

[0031] First type:

[0032] The weight acting force provided by the first counterweight structure directly acts on one end of the carrier cable and / or the contact wire, or the weight acting force provided by the first counterweight structure acts on the second fixing point structure on the rotating boom structure of the first column; or

[0033] Second type:

[0034] The weight acting force provided by the second counterweight structure directly acts on the other end of the carrier cable and / or the contact wire; or the weight acting force provided by the second counterweight structure acts on the second fixing point structure on the rotating boom structure of the last column.

[0035] Furthermore, when the balanced pulling mechanism includes a dragging motor, the setting method is: the pulling force provided by the dragging motor acts on the second fixing point structure.

[0036] Further, when the weight acting force provided by the first weight structure acts on the second fixed point structure;

[0037] The large freight yard and container flexible mobile catenary further include a connecting member. The pulling rope of the first weight structure and the pulling rope in the dragging motor are joined together at the connecting member and then connected to the second fixed point structure.

[0038] Further, the first fixed point structure and the second fixed point structure coincide. A mobile catenary positioning device is provided at the first fixed point structure of the rotating boom structure, and the second fixed point structure is arranged on the mobile catenary positioning device.

[0039] Further, the mobile catenary positioning device has a carrier cable mechanism and a positioning mechanism. The carrier cable is arranged on the carrier cable mechanism, and the contact wire is arranged on the positioning mechanism;

[0040] It further includes an insulating connecting member. One end of the carrier cable and one end of the contact wire extend outwards and are joined together at the insulating connecting member, and the weight of the first weight structure acts on the insulating connecting member; or

[0041] The other end of the carrier cable and the other end of the contact wire extend outwards and are joined together at the insulating connecting member, and the weight of the second weight structure acts on the insulating connecting member.

[0042] Further, it further includes an auxiliary driving device arranged at the relatively heavier second weight structure. The auxiliary driving device lifts the second weight structure due to the auxiliary balancing pulling mechanism;

[0043] The auxiliary driving device has the following several structural schemes:

[0044] The first way: An auxiliary lifting motor is used to pull the second weight structure to move upwards;

[0045] The second way: An electric / hydraulic push rod is arranged above the second weight structure to pull the second weight structure to move upwards;

[0046] The third way: An electric / hydraulic push rod is arranged below the second weight structure to push the second weight structure to move upwards.

[0047] On the other hand, the present invention provides a large freight yard and container flexible mobile catenary, including a mobile catenary, a first weight structure and a second weight structure; wherein, the first weight structure is arranged at one end of the mobile catenary; the second weight structure is arranged at the other end of the mobile catenary;

[0048] The carrier cable and / or the contact wire are longitudinally arranged along the length direction of the mobile catenary;

[0049] The weight of the second counterweight structure is greater than that of the first counterweight structure;

[0050] The weight of the first counterweight structure acts on one end of the catenary and / or the contact wire; the weight of the second counterweight structure acts on the other end of the catenary and / or the contact wire;

[0051] It further includes a balance pulling mechanism, and the balance pulling mechanism controls the catenary and / or the contact wire in the mobile catenary to be stationary, move to the other side or move to one side, so as to control the catenary and / or the contact wire in the mobile catenary to move above the railway track or to one side of the railway track;

[0052] The balance pulling mechanism includes the above-mentioned dragging motor and the above-mentioned lifting motor.

[0053] Furthermore, the weight of the second counterweight structure at the other end of the mobile catenary is greater than the weight of the first counterweight structure at one end of the mobile catenary, and the catenary and / or the contact wire in the mobile catenary always has a tendency to move to the other end;

[0054] The balance pulling mechanism has three working states:

[0055] The first one: The dragging motor at one end and the lifting motor at the other end stop operating, the length of the pulling rope of the dragging motor remains unchanged, the length of the pulling rope of the lifting motor acting on the second counterweight structure remains unchanged, the first and second counterweight structures are in a stationary state, and the catenary and / or the contact wire in the mobile catenary are in a stationary state;

[0056] The second one: The dragging motor at one end is in the wire releasing state, the length of the pulling rope of the dragging motor is lengthened, the length of the pulling rope of the lifting motor acting on the second counterweight structure is lengthened, the first counterweight structure rises, the second counterweight structure descends, and the catenary and / or the contact wire in the mobile catenary move to the other side as a whole;

[0057] The third one: The dragging motor at one end is in the wire retracting state, the length of the pulling rope of the dragging motor is wound up, the length of the pulling rope of the pulling motor acting on the second counterweight structure is wound up, the first counterweight structure descends, the second counterweight structure rises, and the catenary and / or the contact wire in the mobile catenary move to one side as a whole.

[0058] On the other hand, the present invention provides a method for operating a large freight yard and a flexible mobile catenary for containers, which is characterized in that: the above-mentioned large freight yard and flexible mobile catenary for containers are adopted, and the specific operation method is as follows:

[0059] The first operation mode:

[0060] A first counterweight structure is arranged at one end of the mobile catenary, and a second counterweight structure is arranged at the other end; the weight of the second counterweight structure is greater than that of the first counterweight structure;

[0061] A balance pulling mechanism is provided at one end of the movable catenary, and the pulling force provided by the balance pulling mechanism acts on the carrier cable and / or the contact wire at one end of the movable catenary;

[0062] The balance pulling mechanism controls the carrier cable and / or the contact wire in the movable catenary to be stationary, move to the other side or move to one side, so as to control the carrier cable and / or the contact wire in the movable catenary to move above the railway track or to one side of the railway track; or

[0063] The second operation mode:

[0064] A first counterweight structure is provided at one end of the movable catenary, and a second counterweight structure is provided at the other end; the weight of the second counterweight structure is greater than the weight of the first counterweight structure;

[0065] A balance pulling mechanism is provided at the other end of the movable catenary, and the pulling force provided by the balance pulling mechanism acts on the second counterweight structure at one end of the movable catenary;

[0066] The balance pulling mechanism controls the carrier cable and / or the contact wire in the movable catenary to be stationary, move to the other side or move to one side, so as to control the carrier cable and / or the contact wire in the movable catenary to move above the railway track or to one side of the railway track.

[0067] Furthermore, the weight of the second counterweight structure at the other end of the movable catenary is greater than the weight of the first counterweight structure at one end of the movable catenary, and the carrier cable and / or the contact wire in the movable catenary always has a tendency to move towards the other end;

[0068] The balance pulling mechanism provided at one end in the large freight yard and the flexible movable catenary of the container has the following three operating states:

[0069] The first: The balance pulling mechanism stops operating, the length of the pulling rope of the balance pulling mechanism remains unchanged, and the carrier cable and / or the contact wire in the movable catenary is in a stationary state;

[0070] The second: The balance pulling mechanism is in a wire releasing state, the length of the pulling rope of the balance pulling mechanism is lengthened, and the carrier cable and / or the contact wire in the movable catenary moves towards the other side as a whole;

[0071] The third: The balance pulling mechanism is in a wire retracting state, the length of the pulling rope of the balance pulling mechanism is wound up, and the carrier cable and / or the contact wire in the movable catenary moves towards one side as a whole;

[0072] The balance pulling mechanism provided at the other end in the large freight yard and the flexible movable catenary of the container has the following three operating states:

[0073] The first type: The balanced pulling mechanism stops operating, the length of the pulling rope of the balanced pulling mechanism acting on the second counterweight structure remains unchanged, the height of the second counterweight structure remains unchanged, and the carrier cable and / or contact wire in the moving catenary are in a static state;

[0074] The second type: The balanced pulling mechanism is in a wire releasing state, the length of the pulling rope of the balanced pulling mechanism acting on the second counterweight structure is lengthened, the second counterweight structure descends, and the carrier cable and / or contact wire in the moving catenary move as a whole to the other side;

[0075] The third type: The balanced pulling mechanism is in a wire winding state, the length of the pulling rope of the balanced pulling mechanism acting on the second counterweight structure is wound up, the second counterweight structure ascends, and the carrier cable and / or contact wire in the moving catenary move as a whole to one side.

[0076] The present invention adopts the above technical solutions, a first counterweight structure is arranged at one end of the moving catenary, and a second counterweight structure is arranged at the other end. The key point is that the weight of the second counterweight structure is greater than the weight of the first counterweight structure; the carrier cable and / or contact wire in the moving catenary always has a movement tendency towards the other end, and then the balanced pulling mechanism is arranged at one end of the moving catenary.

[0077] The present invention has the following beneficial effects:

[0078] 1. The balanced pulling mechanism is used to control the carrier cable and / or contact wire in the moving catenary to be static, move towards the lighter first counterweight structure direction or move towards the heavier second counterweight direction, so as to control the carrier cable and / or contact wire in the moving catenary to move above the railway track or to one side of the railway track.

[0079] 2. For the traditional rigid movable catenary, due to its complex structure, it needs to carry a rigid busbar, with many components and large weight. The distance between the columns is 9 - 12M. For the moving catenary provided by the present invention, the distance between the columns can be set at 40 - 50M. The carrier cable of the flexible catenary provided by the present invention is more evenly stressed, has a short construction period, is less affected by factors such as weather and temperature difference, can be widely applied in various harsh environments, has a long service life, can be improved on the basis of the existing catenary, and has many advantages such as convenient installation and maintenance, and a similar fixed catenary structure.

[0080] 3. In traditional flexible movable catenaries, a single-sided direct drag is used for the carrier cable. For long-distance movable catenaries, this method has insufficient drag force. At the same time, the single-sided drag method causes great damage to the structure of the catenary itself, has potential safety risks, and operates unstably. The present invention adopts a bilateral gravity balance method. The balance pulling mechanism only requires less external driving force to break the original balance system. Based on this, the present invention proposes to use a gravity compensation method to achieve the movement of the flexible catenary. By setting counterweights on both sides and breaking the balance relationship between the two counterweights, the present invention realizes the overall movement over a long distance, such as (1600m - 1700m), with less driving force. This movement method is a pioneering work in the current movable flexible catenary, and no prior art or prior patent has been found to use the device provided by the present invention to realize the movement of the flexible movable catenary.

[0081] 3). By using the device provided by the present invention, the ten-thousand-ton heavy-haul train will no longer use diesel locomotives for shunting operations, overcoming the situation of traditional multi-car decoupling and even being unable to tow heavy-haul trains. It can effectively meet the needs of the loading and unloading lines or in-yard maintenance of ten-thousand-ton trains, improve work efficiency, and greatly save the cost of purchasing diesel locomotives and the labor costs for the deployment, maintenance, and repair of existing diesel locomotives. BRIEF DESCRIPTION OF THE DRAWINGS

[0082] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0083] Figure 1 It is a schematic diagram of the large freight yard and container flexible movable catenary of the present invention;

[0084] Figure 2 It is a front view of the first embodiment of the large freight yard and container flexible movable catenary of the present invention;

[0085] Figure 3 It is a top view of the first embodiment of the large freight yard and container flexible movable catenary of the present invention;

[0086] Figure 4 It is a schematic diagram of the first embodiment of the present invention with an auxiliary drive device; Figure 1 ;

[0087] Figure 5 It is a schematic diagram of the first embodiment of the present invention with an auxiliary drive device; Figure 2 ;

[0088] Figure 6 Schematic diagram of the first embodiment of the present invention with an auxiliary drive device Figure 3 ;

[0089] Figure 7 Front view of the second embodiment of the flexible mobile catenary for large freight yards and containers in the present invention;

[0090] Figure 8 is Figure 7 Partial enlarged view;

[0091] Figure 9 Schematic diagram of the structure setting of the first and second fixed points;

[0092] Figure 10 Schematic diagram of the weight force provided by the first counterweight structure directly acting on the carrier cable;

[0093] Figure 11 Schematic diagram of the weight force provided by the first counterweight structure directly acting on the contact wire;

[0094] Figure 12 Schematic diagram of the weight force provided by the first counterweight structure directly acting on the carrier cable and the contact wire;

[0095] Figure 13 Schematic diagram of the weight force provided by the first counterweight structure acting on the second fixed point structure of the first column rotating boom structure.

[0096] Figure 14 Schematic diagram of the pulling force provided by the balance pulling mechanism acting on the first fixed point structure;

[0097] Figure 15 Schematic diagram of the pulling force provided by the balance pulling mechanism acting on the second fixed point structure;

[0098] Figure 16 Schematic diagram of the structure where one end of the carrier cable and one end of the contact wire extend out and converge;

[0099] Figure 17 Schematic diagram of the structure containing a connecting piece;

[0100] Figure 18 Schematic diagram of the structure containing both a dragging motor and a lifting motor;

[0101] Figure 19 Flow chart of the first operation mode of the present invention;

[0102] Figure 20 Flow chart of the second operation mode of the present invention;

[0103] In the figure: 1. Mobile catenary; 2. First counterweight structure; 3. Second counterweight structure; 4. Carrier cable; 5. Contact wire; 6. Balanced pulling mechanism; 7. Towing motor; 8. Auxiliary lifting motor; 9. Electric / hydraulic push rod; 10. Lifting motor; 11. Rotating boom structure of the first column; 12. Rotating boom structure of the last column; 13. Mobile catenary positioning device; 131. Carrier cable mechanism; 132. Positioning mechanism; 14. Insulating connector; 15. Connector; A. First fixed point structure; B. Second fixed point structure; Detailed implementation mode

[0104] Here, the exemplary embodiments will be described in detail, and the examples are shown in the drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The implementation modes described in the following exemplary embodiments do not represent all implementation modes consistent with the present invention. On the contrary, they are only examples of devices consistent with some aspects of the present invention as detailed in the appended claims.

[0105] As Figure 1 shown, this embodiment provides a large freight yard and a flexible mobile catenary for containers, including a mobile catenary 1, a first counterweight structure 2, and a second counterweight structure 3; wherein, the first counterweight structure 2 is arranged at one end of the mobile catenary 1; the second counterweight structure 3 is arranged at the other end of the mobile catenary 1;

[0106] The carrier cable 4 and / or the contact wire 5 are arranged longitudinally along the length of the mobile catenary;

[0107] The weight of the second counterweight structure 3 is greater than the weight of the first counterweight structure 2;

[0108] The weight of the first counterweight structure 2 acts on one end of the carrier cable and / or the contact wire 5; the weight of the second counterweight structure 3 acts on the other end of the carrier cable and / or the contact wire 5;

[0109] It further includes a balanced pulling mechanism 6, and the balanced pulling mechanism 6 controls the carrier cable and / or the contact wire 5 in the mobile catenary 1 to be stationary, move towards the lighter first counterweight structure 2, or move towards the heavier second counterweight, so as to control the carrier cable and / or the contact wire 5 in the mobile catenary 1 to move above the railway track or to one side of the railway track.

[0110] In this embodiment, since the weight of the second counterweight structure 3 at the other end (right end) of the mobile catenary 1 is greater than the weight of the first counterweight structure 2 at one end (left end) of the mobile catenary 1, the carrier cable and / or the contact wire 5 in the mobile catenary 1 always has a tendency to move towards the other end (right); the balance pulling mechanism provided in this embodiment for the large freight yard and the flexible mobile catenary 1 controls the carrier cable and / or the contact wire 5 in the mobile catenary 1 to be stationary, move towards the lighter first counterweight structure 2, or move towards the heavier second counterweight, so as to control the carrier cable and / or the contact wire 5 in the mobile catenary 1 to move above the railway track or to one side of the railway track. When the contact wire 5 in the mobile catenary 1 itself has a tendency to move, by using the balance pulling mechanism to control its motion state, the defect that the docking location during the movement of the entire mobile catenary 1 cannot be accurately controlled can be overcome.

[0111] The first implementation method:

[0112] As Figure 2 shown, as a preferred implementation method, the balance pulling mechanism provided in this embodiment includes a dragging motor 7, and the dragging motor 7 is arranged at one end of the mobile catenary 1; the dragging power provided by the dragging motor 7 acts on the carrier cable and / or the contact wire 5 at one end of the mobile catenary 1 (the dragging power can act directly on the carrier cable and / or the contact wire 5, or indirectly act on the carrier cable and / or the contact wire 5). It should be added that here the dragging power can act directly on the carrier cable and / or the contact wire 5, or act on the rotating wrist arm structure to drive the carrier cable and / or the contact wire 5 to move by dragging the rotating wrist arm structure.

[0113] The weight of the second counterweight structure 3 at the other end of the mobile catenary 1 is greater than the weight of the first counterweight structure 2 at one end of the mobile catenary 1, and the carrier cable and / or the contact wire 5 in the mobile catenary 1 always has a tendency to move towards the other end;

[0114] Please refer to Figure 2 and Figure 3 , in this embodiment, the balance pulling mechanism has three working states:

[0115] The first: The balance pulling mechanism stops operating, the length of the pulling rope of the balance pulling mechanism (dragging motor 7) remains unchanged, and the carrier cable and / or the contact wire 5 in the mobile catenary 1 is in a stationary state;

[0116] The second: The balance pulling mechanism is in a wire releasing state, the length of the pulling rope of the balance pulling mechanism (dragging motor 7) is lengthened, and the carrier cable and / or the contact wire 5 in the mobile catenary 1 as a whole moves towards the other end, that is, towards the heavier second counterweight (moves to the right);

[0117] The third type: The balance pulling mechanism is in the wire-receiving state, the pulling rope of the balance pulling mechanism (drag motor 7) is wound up, and the carrier cable and / or the contact wire 5 in the mobile catenary 1 as a whole move towards one end, that is, towards the lighter first counterweight structure 2 (move to the left).

[0118] Figure 3 Shown is a schematic diagram of the contact wire 5 being electrically connected to the main line contact wire 5 above the center line of the railway track. When the pulling rope of the drag motor 7 is wound up, the rotating wrist arm structure swings to the left, the contact wire 5 is disengaged from the main line contact wire 5, and the carrier cable and / or the contact wire 5 in the mobile catenary 1 as a whole move towards one end, that is, towards the lighter first counterweight structure 2, that is, move to one side of the railway. At this time, loading, unloading or maintenance operations of freight trains can be carried out.

[0119] When the pulling rope of the drag motor 7 is lengthened, the carrier cable and / or the contact wire 5 in the mobile catenary 1 as a whole move towards the other end, that is, towards the heavier second counterweight (move to the right), even if it moves above the center line of the railway track, the contact wire 5 is electrically connected to the main line contact wire 5. At this time, the freight train enters or exits the freight station.

[0120] Due to the heavier counterweight structure at the other end, the mobile catenary 1 has a tendency to move towards the heavier counterweight structure. At any moment when the balance pulling mechanism is in the stopped actuation state, releasing the pulling rope or winding up the pulling rope, the pulling force provided by the balance pulling mechanism serves as an accurate regulating force, and the pulling force provided by the balance pulling mechanism and the weight pulling force provided by the first counterweight structure 2 act together on one end of the mobile catenary 1. Therefore, during the entire working state of the mobile catenary 1, the carrier cable and / or the contact wire 5 are always under effective tension control, completely overcoming the defect that the original entire moving section of the catenary has inertial motion during swinging and cannot stop immediately.

[0121] In the first embodiment, an auxiliary driving device can be provided at the relatively heavier second counterweight structure 3, and the auxiliary driving device helps the balance pulling mechanism to lift the second counterweight structure 3;

[0122] The auxiliary driving device has the following several structural schemes:

[0123] As Figure 4 shown, the first method: An auxiliary lifting motor 8 is used to pull the second counterweight structure 3 to move upward; in this embodiment, the auxiliary lifting motor 8 is arranged on the counterweight frame, and the auxiliary lifting motor 8 acts on the second counterweight structure 3 through a pulling rope. Since the weight of the second counterweight structure 3 is relatively large, an auxiliary lifting motor 8 can be used to pull the second counterweight structure 3 to move upward.

[0124] As Figure 5 shown, the second method: An electric / hydraulic push rod 99 is arranged above the second counterweight structure 3 to pull the second counterweight structure 3 to move upward;

[0125] As Figure 6 shown, the third method: an electric / hydraulic push rod 99 is arranged below the second counterweight structure 3 to push the second counterweight structure 3 to move upward.

[0126] The second implementation method:

[0127] As Figure 7 shown, the balance pulling mechanism includes a lifting motor 10, and the lifting motor 10 is arranged at the other end of the moving catenary 1; the lifting power provided by the lifting motor 10 acts on the second counterweight structure 3 at the other end of the moving catenary 1.

[0128] The weight of the second counterweight structure 3 at the other end of the moving catenary 1 is greater than the weight of the first counterweight structure 2 at one end of the moving catenary 1, and the load-carrying cable and / or the contact wire 5 in the moving catenary 1 always has a tendency to move towards the other end;

[0129] The balance pulling mechanism has three working states:

[0130] The first one: the balance pulling mechanism stops operating, the length of the pulling rope of the balance pulling mechanism (lifting motor 10) acting on the second counterweight structure 3 remains unchanged, the height of the second counterweight structure 3 remains unchanged, and the load-carrying cable and / or the contact wire 5 in the moving catenary 1 is in a static state;

[0131] The second one: the balance pulling mechanism is in the wire releasing state, the length of the pulling rope of the balance pulling mechanism (lifting motor 10) acting on the second counterweight structure 3 is lengthened, the second counterweight structure 3 descends, and the load-carrying cable and / or the contact wire 5 in the moving catenary 1 as a whole moves towards the other end, that is, the heavier second counterweight direction;

[0132] The third one: the balance pulling mechanism is in the wire retracting state, the length of the pulling rope of the balance pulling mechanism (lifting motor 10) acting on the second counterweight structure 3 is wound up, the second counterweight structure 3 ascends, and the load-carrying cable and / or the contact wire 5 in the moving catenary 1 as a whole moves towards one end, that is, the lighter first counterweight structure 2 direction.

[0133] Due to the heavy weight of the counterweight structure at the other end, the moving catenary 1 has a tendency to move towards the heavier counterweight structure. At any moment when the balance pulling mechanism (lifting motor 10) is in the stopped actuation state, releasing the pulling rope or winding up the pulling rope, the lifting force provided by the balance pulling mechanism serves as an accurate regulating force. The lifting motor 10 lifts the second counterweight structure 3, and the carrier cable and / or the contact wire 5 in the moving catenary 1 as a whole move towards one end, i.e., the lighter first counterweight structure 2; when the length of the pulling rope acting on the second counterweight structure 3 by the lifting motor 10 is lengthened and the second counterweight structure 3 descends, the carrier cable and / or the contact wire 5 in the moving catenary 1 as a whole move towards the other end, i.e., the heavier second counterweight. Therefore, during the entire working state of the moving catenary 1, the carrier cable and / or the contact wire 5 are always under effective tension control, completely overcoming the defect that the original entire moving section of the catenary has inertial motion during swinging and cannot stop immediately.

[0134] Please refer to Figure 1 and Figure 7 As shown, as a preferred embodiment, in this embodiment, one end of the carrier cable and / or the contact wire 5 is arranged on the rotating boom structure 11 of the first column, and the other end is arranged on the rotating boom structure 12 of the last column.

[0135] As Figure 9 shown, Figure 9 it is a further supplementary explanation with a top view of the left end of the moving catenary 1 on the basis of Figure 2 The first fixed point structure A and the second fixed point structure B are arranged on the rotating boom structures of the first column and the last column;

[0136] As Figure 9 shown, one end of the carrier cable and / or the contact wire 5 is arranged on the first fixed point structure A in the rotating boom structure 11 of the first column; the other end of the carrier cable and / or the contact wire 5 is arranged on the first fixed point structure A in the rotating boom structure 12 of the last column;

[0137] It should be supplemented here that the first and second fixed point structures are intended to illustrate the spatial positions of the rope connections. As for the structures of the fixed point structures themselves, they are not the points protected by this patent. For the purpose of public disclosure, several implementation methods are provided. For example, the rope can be directly tied to the first or second fixed point, or corresponding hooks can be configured at the first or second fixed point, as long as it is convenient to tie the rope.

[0138] As Figure 9 shown, in this embodiment, the preferred first fixed point is set at the free end of the rotating boom, and the second fixed point is set at any position of the rotating boom body.

[0139] See Figure 7, To facilitate the installation of the catenary and the contact wire 5, in this embodiment, a mobile catenary positioning device 13 is installed at the first fixed point, i.e., the free end of the rotating boom. The mobile catenary 1 positioning device has a catenary mechanism 131 and a positioning mechanism 132. The catenary 4 is arranged on the catenary mechanism 131, and the contact wire 5 is arranged on the positioning mechanism 132.

[0140] Of course, there is a case where the first fixed point and the second fixed point coincide. The explanation of this embodiment is: install the mobile catenary 1 positioning device at the first fixed point, i.e., the free end of the moving boom, and the second fixed point is set at any position of the positioning device (such as Figure 7 point C in it), as long as the rope can be tied to achieve dragging. This is used as an explanation for the coincidence of the first fixed point structure and the second fixed point structure.

[0141] As an actual application situation, in actual working conditions, there is only the contact wire 5, and there is also a situation where the catenary and the catenary exist at the same time.

[0142] However, when both the contact wire 5 and the catenary are used at the same time, in order to facilitate the connection with the first and second counterweight structures, an insulating connector 14 can be provided. One end of the catenary and one end of the contact wire 5 extend outwards and converge on the insulating connector, and the weight of the first counterweight structure 2 acts on the insulating connector; or

[0143] The other end of the catenary and the other end of the contact wire 5 extend outwards and converge on the insulating connector, and the weight of the second counterweight structure 3 acts on the insulating connector 14.

[0144] The above discussion is about the connection situation of the catenary and the contact wire 5 in actual working conditions. Next, the connection method of the counterweight structure in this patent will be specifically discussed:

[0145] The first type:

[0146] The weight acting force provided by the first counterweight structure 2 directly acts on one end of the catenary and / or the contact wire 5, or the weight acting force provided by the first counterweight structure 2 acts on the second fixed point structure on the first column rotating boom structure;

[0147] Supplementary explanation: Figure 10 is a schematic diagram of the weight acting force provided by the first counterweight structure 2 directly acting on the catenary;

[0148] Figure 11 is a schematic diagram of the weight acting force provided by the first counterweight structure 2 directly acting on the contact wire 5;

[0149] Figure 12 is a schematic diagram of the weight acting force provided by the first counterweight structure 2 directly acting on the catenary and the contact wire 5;

[0150] Figure 13 It is a schematic diagram of the structure where the weight acting force provided by the first counterweight structure 2 acts on the second fixed point structure of the first pillar rotating cantilever structure.

[0151] Or

[0152] The second type:

[0153] The weight acting force provided by the second counterweight structure 3 directly acts on the other end of the carrier cable and / or the contact wire 5; or the weight acting force provided by the second counterweight structure 3 acts on the second fixed point structure of the last pillar rotating cantilever structure;

[0154] It should be added that for the setting method of the second counterweight structure 3, refer to the setting method of the first counterweight, see Figures 10 to 13 That's it.

[0155] The third type:

[0156] As a special setting method: as Figure 12 shown, one end of the carrier cable and one end of the contact wire 5 extend outward and converge and then are connected to the first counterweight structure 2, or

[0157] the other end of the carrier cable and the other end of the contact wire 5 extend outward and converge and then are connected to the second counterweight structure 3. The setting method of the other end is not shown in the figure, and the setting method of Figure 12 can be referred to.

[0158] There are three ways to set the balance pulling mechanism as follows:

[0159] The first type: as Figure 14 shown, the pulling force provided by the balance pulling mechanism acts on the first fixed point structure;

[0160] The second type: as Figure 15 shown, the pulling force provided by the balance pulling mechanism acts on the second fixed point structure;

[0161] The third type: as Figure 16 shown, one end of the carrier cable and one end of the contact wire 5 extend outward and converge and then are connected to the balance pulling mechanism, or one end of the carrier cable and the other end of the contact wire 5 extend outward and converge and then are connected to the balance pulling mechanism.

[0162] As Figure 17As shown, as a preferred embodiment, when the weight acting force provided by the first counterweight structure 2 acts on the second fixed point structure; the large freight yard and container flexible mobile catenary 1 further includes a connecting member 15. After the guy wire of the first counterweight structure 2 and the guy wire in the balance pulling mechanism are joined at the connecting member, they are then connected to the second fixed point structure B.

[0163] As Figure 18 As shown, on the other hand, the present invention provides a large freight yard and container flexible mobile catenary 1, including a mobile catenary 1, a first counterweight structure 2 and a second counterweight structure 3; wherein, the first counterweight structure 2 is arranged at one end of the mobile catenary 1; the second counterweight structure 3 is arranged at the other end of the mobile catenary 1; the carrier cable and / or the contact wire 5 are arranged longitudinally along the length direction of the mobile catenary 1; the weight of the second counterweight structure 3 is greater than the weight of the first counterweight structure 2; the weight of the first counterweight structure 2 acts on one end of the carrier cable and / or the contact wire 5; the weight of the second counterweight structure 3 acts on the other end of the carrier cable and / or the contact wire 5; and further includes a balance pulling mechanism, and the balance pulling mechanism controls the carrier cable and / or the contact wire 5 in the mobile catenary 1 to be stationary, move towards the other or move towards one, so as to control the carrier cable and / or the contact wire 5 in the mobile catenary 1 to move above the railway track or to one side of the railway track.

[0164] The balance pulling mechanism includes the dragging motor 7 and the lifting motor 10 as described above.

[0165] In the first embodiment described above, the dragging motor 7 is used to provide a dragging force on the side of the lighter first counterweight structure 2, and the carrier cable and / or the contact wire 5 in the mobile catenary 1 are controlled to be stationary, move towards the lighter first counterweight structure 2 or move towards the heavier second counterweight, so as to control the carrier cable and / or the contact wire 5 in the mobile catenary 1 to move above the railway track or to one side of the railway track.

[0166] In the second embodiment, the lifting power provided by the lifting motor 10 acts on the second counterweight structure 3 at the other end of the mobile catenary 1. By lifting and lowering the second counterweight structure 3, the carrier cable and / or the contact wire 5 in the mobile catenary 1 are controlled to be stationary, move towards the lighter first counterweight structure 2 or move towards the heavier second counterweight, so as to control the carrier cable and / or the contact wire 5 in the mobile catenary 1 to move above the railway track or to one side of the railway track.

[0167] In the large freight yard and the flexible mobile catenary 1 provided in this embodiment, both a drag motor 7 and a lifting motor 10 are adopted, and their installation positions and structures are as described in the above implementation method. The weight of the second counterweight structure 3 at the other end of the mobile catenary 1 is greater than the weight of the first counterweight structure 2 at one end of the mobile catenary 1. The carrier cable and / or the contact wire 5 in the mobile catenary 1 always has a tendency to move towards the other end.

[0168] In this implementation scheme, the balance pulling mechanism has three working states:

[0169] The first state: The drag motor 7 at one end and the lifting motor 10 at the other end stop operating. The length of the pulling rope of the drag motor 7 remains unchanged, and the length of the pulling rope of the lifting motor 10 acting on the second counterweight structure 3 remains unchanged. The first and second counterweight structures are in a static state, and the carrier cable and / or the contact wire 5 in the mobile catenary 1 is in a static state;

[0170] The second state: The drag motor 7 at one end is in the wire releasing state. The length of the pulling rope of the drag motor 7 is lengthened, and the length of the pulling rope of the lifting motor 10 acting on the second counterweight structure 3 is lengthened. The first counterweight structure 2 rises, the second counterweight structure 3 descends, and the carrier cable and / or the contact wire 5 in the mobile catenary 1 moves as a whole to the other side;

[0171] The third state: The drag motor 7 at one end is in the wire retracting state. The length of the pulling rope of the drag motor 7 is wound up, and the length of the pulling rope of the pulling motor acting on the second counterweight structure 3 is wound up. The first counterweight structure 2 descends, the second counterweight structure 3 rises, and the carrier cable and / or the contact wire 5 in the mobile catenary 1 moves as a whole to one side.

[0172] On the other hand, the present invention provides an operation method for a large freight yard and a flexible mobile catenary 1 of a container. The above large freight yard and flexible mobile catenary 1 of a container are adopted, and the specific operation method is as follows:

[0173] The first operation mode:

[0174] A first counterweight structure 2 is provided at one end of the mobile catenary 1, and a second counterweight structure 3 is provided at the other end; the weight of the second counterweight structure 3 is greater than the weight of the first counterweight structure 2;

[0175] A balance pulling mechanism is provided at one end of the mobile catenary 1, and the pulling force provided by the balance pulling mechanism acts on the carrier cable and / or the contact wire 5 at one end of the mobile catenary 1;

[0176] The balance pulling mechanism controls the carrier cable and / or the contact wire 5 in the mobile catenary 1 to be in a static state, move to the other side or move to one side, so as to control the carrier cable and / or the contact wire 5 in the mobile catenary 1 to move above the railway track or to one side of the railway track.

[0177] In this operation method, the weight of the second counterweight structure 3 at the other end of the mobile catenary 1 is greater than the weight of the first counterweight structure 2 at one end of the mobile catenary 1, and the carrier cable and / or the contact wire 5 in the mobile catenary 1 always has a tendency to move towards the other end; the balance pulling mechanism provided at one end of the large freight yard and the flexible mobile catenary 1 of the container has the following three operating states:

[0178] The first type: The balance pulling mechanism stops operating, the length of the pulling rope of the balance pulling mechanism remains unchanged, and the carrier cable and / or the contact wire 5 in the mobile catenary 1 is in a static state;

[0179] The second type: The balance pulling mechanism is in the wire releasing state, the length of the pulling rope of the balance pulling mechanism is lengthened, and the carrier cable and / or the contact wire 5 in the mobile catenary 1 moves as a whole to the other side;

[0180] The third type: The balance pulling mechanism is in the wire retracting state, the length of the pulling rope of the balance pulling mechanism is retracted, and the carrier cable and / or the contact wire 5 in the mobile catenary 1 moves as a whole to one side;

[0181] The second operation method:

[0182] A first counterweight structure 2 is provided at one end of the mobile catenary 1, and a second counterweight structure 3 is provided at the other end; the weight of the second counterweight structure 3 is greater than the weight of the first counterweight structure 2;

[0183] A balance pulling mechanism is provided at the other end of the mobile catenary 1, and the pulling force provided by the balance pulling mechanism acts on the second counterweight structure 3 at one end of the mobile catenary 1;

[0184] The balance pulling mechanism controls the carrier cable and / or the contact wire 5 in the mobile catenary 1 to be in a static state, move to the other side or move to one side, so as to control the carrier cable and / or the contact wire 5 in the mobile catenary 1 to move above the railway track or to one side of the railway track.

[0185] In this operation method, the weight of the second counterweight structure 3 at the other end of the mobile catenary 1 is greater than the weight of the first counterweight structure 2 at one end of the mobile catenary 1, and the carrier cable and / or the contact wire 5 in the mobile catenary 1 always has a tendency to move towards the other end;

[0186] The balance pulling mechanism provided at the other end of the large freight yard and the flexible mobile catenary 1 of the container has the following three operating states:

[0187] The first type: The balance pulling mechanism stops operating, the length of the pulling rope acting on the second counterweight structure 3 by the balance pulling mechanism remains unchanged, the height of the second counterweight structure 3 remains unchanged, and the carrier cable and / or the contact wire 5 in the mobile catenary 1 is in a static state;

[0188] Second type: The balance pulling mechanism is in the wire paying-out state, the length of the pulling rope of the balance pulling mechanism acting on the second counterweight structure 3 is lengthened, the second counterweight structure 3 descends, and the messenger wire and / or the contact wire 5 in the movable catenary 1 move integrally to the other side;

[0189] Third type: The balance pulling mechanism is in the wire rewinding state, the length of the pulling rope of the balance pulling mechanism acting on the second counterweight structure 3 is wound up, the second counterweight structure 3 ascends, and the messenger wire 4 and / or the contact wire 5 in the movable catenary 1 move integrally to one side.

[0190] In the present invention, the balance pulling mechanism is used to control the messenger wire 4 and / or the contact wire 5 in the movable catenary 1 to be stationary, move towards the lighter first counterweight structure 2 or move towards the heavier second counterweight, so as to control the messenger wire 4 and / or the contact wire 5 in the movable catenary 1 to move above the railway track or to one side of the railway track.

[0191] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present invention.

Claims

1. A flexible mobile catenary for large freight yards and containers, characterized in that: It includes a mobile catenary, a first counterweight structure and a second counterweight structure; wherein, the first counterweight structure is arranged at one end of the mobile catenary; the second counterweight structure is arranged at the other end of the mobile catenary; The carrier cable and / or the contact wire are arranged longitudinally along the length direction of the mobile catenary; The weight of the second counterweight structure is greater than the weight of the first counterweight structure; The weight of the first counterweight structure acts on one end of the carrier cable and / or the contact wire; the weight of the second counterweight structure acts on the other end of the carrier cable and / or the contact wire; It further includes a balance pulling mechanism, and the balance pulling mechanism controls the carrier cable and / or the contact wire in the mobile catenary to be stationary, move towards the lighter first counterweight structure or move towards the heavier second counterweight structure, so as to control the carrier cable and / or the contact wire in the mobile catenary to move above the railway track or to one side of the railway track.

2. The large freight yard and container flexible mobile catenary according to claim 1, characterized in that: The balance pulling mechanism includes a dragging motor, and the dragging motor is arranged at one end of the mobile catenary; the dragging power provided by the dragging motor acts on the carrier cable and / or the contact wire at one end of the mobile catenary.

3. The large freight yard and container flexible mobile catenary according to claim 2, characterized in that: The weight of the second counterweight structure at the other end of the mobile catenary is greater than the weight of the first counterweight structure at one end of the mobile catenary, and the carrier cable and / or the contact wire in the mobile catenary always have a tendency to move towards the other end; The balance pulling mechanism has three working states: The first: The balance pulling mechanism stops acting, the length of the pulling rope of the balance pulling mechanism remains unchanged, and the carrier cable and / or the contact wire in the mobile catenary are in a stationary state; The second: The balance pulling mechanism is in a wire-releasing state, the length of the pulling rope of the balance pulling mechanism is lengthened, and the carrier cable and / or the contact wire in the mobile catenary move as a whole towards the other end, that is, towards the heavier second counterweight structure; The third: The balance pulling mechanism is in a wire-receiving state, the length of the pulling rope of the balance pulling mechanism is retracted, and the carrier cable and / or the contact wire in the mobile catenary move as a whole towards one end, that is, towards the lighter first counterweight structure.

4. The large freight yard and container flexible mobile catenary according to claim 1, characterized in that: The balance pulling mechanism includes a lifting motor, and the lifting motor is arranged at the other end of the mobile catenary; the lifting power provided by the lifting motor acts on the second counterweight structure at the other end of the mobile catenary.

5. The large freight yard and container flexible mobile catenary according to claim 4, characterized in that: The weight of the second counterweight structure at the other end of the mobile catenary is greater than the weight of the first counterweight structure at one end of the mobile catenary, and the carrier cable and / or the contact wire in the mobile catenary always have a tendency to move towards the other end; The balance pulling mechanism has three working states: The first: The balance pulling mechanism stops acting, the length of the pulling rope acting on the second counterweight structure remains unchanged, the height of the second counterweight structure remains unchanged, and the carrier cable and / or the contact wire in the mobile catenary are in a stationary state; The second: The balance pulling mechanism is in a wire-releasing state, the length of the pulling rope acting on the second counterweight structure is lengthened, the second counterweight structure descends, and the carrier cable and / or the contact wire in the mobile catenary move as a whole towards the other end, that is, towards the heavier second counterweight structure; The third type: The balance pulling mechanism is in the wire-receiving state, the length of the pulling rope of the balance pulling mechanism acting on the second counterweight structure is wound up, the second counterweight structure rises, and the catenary and / or the contact wire in the mobile catenary move as a whole towards one end, that is, towards the lighter first counterweight structure.

6. The large freight yard and container flexible mobile catenary according to any one of claims 1 to 5, characterized in that: One end of the catenary and / or the contact wire is arranged on the rotating boom structure of the first upright post, and the other end is arranged on the rotating boom structure of the last upright post.

7. The large freight yard and container flexible mobile catenary according to claim 6, characterized in that: The rotating boom structures of the first upright post and the last upright post are provided with a first fixing point structure and a second fixing point structure; One end of the catenary and / or the contact wire is arranged on the first fixing point structure in the rotating boom structure of the first upright post; the other end of the catenary and / or the contact wire is arranged on the first fixing point structure in the rotating boom structure of the last upright post; Regarding the setting methods of the first counterweight structure and the second counterweight structure: The first type: The weight force provided by the first counterweight structure directly acts on one end of the catenary and / or the contact wire, or the weight force provided by the first counterweight structure acts on the second fixing point structure on the rotating boom structure of the first upright post; or The second type: The weight force provided by the second counterweight structure directly acts on the other end of the catenary and / or the contact wire; or the weight force provided by the second counterweight structure acts on the second fixing point structure on the rotating boom structure of the last upright post; The third type: One end of the catenary and one end of the contact wire extend outwards and converge and then are connected to the first counterweight structure, or The other end of the catenary and the other end of the contact wire extend outwards and converge and then are connected to the second counterweight structure.

8. The large freight yard and container flexible mobile catenary according to claim 6, characterized in that: The rotating boom structures of the first upright post and the last upright post are provided with a first fixing point structure and a second fixing point structure; Regarding the setting method of the balance pulling mechanism: The first type: The pulling force provided by the balance pulling mechanism acts on the first fixing point structure; The second type: The pulling force provided by the balance pulling mechanism acts on the second fixing point structure; The third type: One end of the catenary and one end of the contact wire extend outwards and converge and then are connected to the balance pulling mechanism, or The other end of the catenary and the other end of the contact wire extend outwards and converge and then are connected to the balance pulling mechanism.

9. The large freight yard and container flexible mobile catenary according to claim 7, characterized in that: When the balance pulling mechanism includes a dragging motor, the setting method is: The pulling force provided by the dragging motor acts on the second fixing point structure.

10. The large freight yard and container flexible mobile catenary according to claim 8, characterized in that: When the weight force provided by the first counterweight structure acts on the second fixing point structure; The large freight yard and the flexible mobile catenary of the container further include a connecting piece, and the pulling rope of the first counterweight structure and the pulling rope in the balance pulling mechanism converge to the connecting piece and then are connected to the second fixing point structure.

11. The large freight yard and container flexible mobile catenary according to claim 7, characterized in that: The first fixing point structure and the second fixing point structure coincide, a mobile catenary positioning device is arranged at the first fixing point structure of the rotating boom structure, and the second fixing point structure is arranged on the mobile catenary positioning device.

12. The large freight yard and container flexible mobile catenary according to claim 11, characterized in that: The mobile catenary positioning device has a catenary mechanism and a positioning mechanism, the catenary is arranged on the catenary mechanism, and the contact wire is arranged on the positioning mechanism; It further includes an insulating connector. One end of the catenary and one end of the contact wire extend outwards and converge onto the insulating connector, and the weight of the first counterweight structure acts on the insulating connector; Or The other end of the catenary and the other end of the contact wire extend outwards and converge onto the insulating connector, and the weight of the second counterweight structure acts on the insulating connector.

13. The large freight yard and container flexible mobile catenary according to claim 1, 2, 3, 7, 8, 9, 10, 11 or 12, characterized in that: It further includes an auxiliary driving device arranged at the relatively heavier second counterweight structure, and the auxiliary driving device lifts the second counterweight structure due to the auxiliary balancing pulling mechanism; The auxiliary driving device has the following several structural schemes: The first way: An auxiliary lifting motor is used to pull the second counterweight structure to move upwards; The second way: An electric / hydraulic push rod is arranged above the second counterweight structure to pull the second counterweight structure to move upwards; The third way: An electric / hydraulic push rod is arranged below the second counterweight structure to push the second counterweight structure to move upwards.

14. A flexible mobile catenary for large freight yards and containers, characterized in that: It includes a mobile catenary, a first counterweight structure, and a second counterweight structure; wherein, the first counterweight structure is arranged at one end of the mobile catenary; the second counterweight structure is arranged at the other end of the mobile catenary; The catenary and / or the contact wire are arranged longitudinally along the length direction of the mobile catenary; The weight of the second counterweight structure is greater than the weight of the first counterweight structure; The weight of the first counterweight structure acts on one end of the catenary and / or the contact wire; the weight of the second counterweight structure acts on the other end of the catenary and / or the contact wire; It further includes a balancing pulling mechanism, and the balancing pulling mechanism controls the catenary and / or the contact wire in the mobile catenary to be stationary, move towards the other side or move towards one side, so as to control the catenary and / or the contact wire in the mobile catenary to move above the railway track or to one side of the railway track; The balancing pulling mechanism includes a dragging motor and a lifting motor.

15. The large freight yard and container flexible mobile catenary according to claim 14, characterized in that: The weight of the second counterweight structure at the other end of the mobile catenary is greater than the weight of the first counterweight structure at one end of the mobile catenary, and the catenary and / or the contact wire in the mobile catenary always have a tendency to move towards the other end; The balancing pulling mechanism has three working states: The first: The dragging motor at one end and the lifting motor at the other end stop operating, the length of the pulling rope of the dragging motor remains unchanged, the length of the pulling rope of the lifting motor acting on the second counterweight structure remains unchanged, the first and second counterweight structures are in a stationary state, and the catenary and / or the contact wire in the mobile catenary are in a stationary state; The second: The dragging motor at one end is in a state of paying out the wire, the length of the pulling rope of the dragging motor is lengthened, the length of the pulling rope of the lifting motor acting on the second counterweight structure is lengthened, the first counterweight structure rises, the second counterweight structure descends, and the catenary and / or the contact wire in the mobile catenary move towards the other side as a whole; The third: The dragging motor at one end is in a state of taking in the wire, the length of the pulling rope of the dragging motor is wound up, the length of the pulling rope of the pulling motor acting on the second counterweight structure is wound up, the first counterweight structure descends, the second counterweight structure rises, and the catenary and / or the contact wire in the mobile catenary move towards one side as a whole.

16. A method for operating a flexible mobile catenary in a large freight yard and container yard, characterized in that: For the large freight yard and container flexible mobile catenary described in any one of claims 1 to 13 above, the specific operation method is as follows: The first operation method: A first counterweight structure is provided at one end of the movable catenary, and a second counterweight structure is provided at the other end; the weight of the second counterweight structure is greater than that of the first counterweight structure; A balance pulling mechanism is provided at one end of the movable catenary, and the pulling force provided by the balance pulling mechanism acts on the carrier cable and / or the contact wire at one end of the movable catenary; The balance pulling mechanism controls the carrier cable and / or the contact wire in the movable catenary to be stationary, move to the other side or move to one side, so as to control the carrier cable and / or the contact wire in the movable catenary to move above the railway track or to one side of the railway track; Or The second operation mode: A first counterweight structure is provided at one end of the movable catenary, and a second counterweight structure is provided at the other end; the weight of the second counterweight structure is greater than that of the first counterweight structure; A balance pulling mechanism is provided at the other end of the movable catenary, and the pulling force provided by the balance pulling mechanism acts on the second counterweight structure at one end of the movable catenary; The balance pulling mechanism controls the carrier cable and / or the contact wire in the movable catenary to be stationary, move to the other side or move to one side, so as to control the carrier cable and / or the contact wire in the movable catenary to move above the railway track or to one side of the railway track.

17. The operation method of the large freight yard and container flexible mobile catenary according to claim 16, characterized in that: The weight of the second counterweight structure at the other end of the movable catenary is greater than that of the first counterweight structure at one end of the movable catenary, and the carrier cable and / or the contact wire in the movable catenary always has a tendency to move towards the other end; The balance pulling mechanism provided at one end of the flexible movable catenary has the following three operating states: The first: The balance pulling mechanism stops operating, the length of the pulling rope of the balance pulling mechanism remains unchanged, and the carrier cable and / or the contact wire in the movable catenary is in a stationary state; The second: The balance pulling mechanism is in a wire releasing state, the length of the pulling rope of the balance pulling mechanism is lengthened, and the carrier cable and / or the contact wire in the movable catenary moves towards the other side as a whole; The third: The balance pulling mechanism is in a wire retracting state, the length of the pulling rope of the balance pulling mechanism is wound up, and the carrier cable and / or the contact wire in the movable catenary moves towards one side as a whole; The balance pulling mechanism provided at the other end of the flexible movable catenary has the following three operating states: The first: The balance pulling mechanism stops operating, the length of the pulling rope acting on the second counterweight structure by the balance pulling mechanism remains unchanged, the height of the second counterweight structure remains unchanged, and the carrier cable and / or the contact wire in the movable catenary is in a stationary state; The second: The balance pulling mechanism is in a wire releasing state, the length of the pulling rope acting on the second counterweight structure by the balance pulling mechanism is lengthened, the second counterweight structure descends, and the carrier cable and / or the contact wire in the movable catenary moves towards the other side as a whole; The third: The balance pulling mechanism is in a wire retracting state, the length of the pulling rope acting on the second counterweight structure by the balance pulling mechanism is wound up, the second counterweight structure ascends, and the carrier cable and / or the contact wire in the movable catenary moves towards one side as a whole.

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