A breakable lifting method for underground rigid contact network

Abstract

The present invention relates to a method for lifting underground rigid contact network in a breakable manner. When the anti-flooding door needs to be quickly closed, the contact line body on the left and the corresponding busbar rotate 90° together, and the contact line body on the right and the corresponding busbar move right together, so that the middle contact line body is separated from the contact line bodies adjacent to the two ends. The lifting arm control device controls the lifting of the lifting arm or the swing arm control device controls the swing arm to swing. The contact line body and the corresponding busbar are lifted at the same time, and the anti-flooding door falls in linkage. The busbar and the contact line of the present invention are fixed by the clamping force of the busbar and the fixing bolts, which completely solves the risks of sliding and dislocation in the horizontal direction in the operation of the contact line and the safety hazard of the contact line falling off when retracting, and ensures the stability, reliability and safety of the contact network system; the material can be mass-produced, and the surface is smooth and beautiful.

Description

Technical Field

[0001] The present invention relates to the technical field related to urban rail transit contact networks, and in particular to a breakable lifting method for an underground rigid contact network. Background Art

[0002] In the installation of underground rigid contact network suspension in the sections of urban rail transit crossing rivers and lakes in China, it is necessary to use breakable contact wires. The existing contact wire cross-section is as follows: Figure 1 As described above, the bus is only fixed by the clamping force, the bus remains in a deformed state for a long time, the clamping force shows a linear downward trend, and the wire gap gradually expands from the original standard requirement of <1mm to 2.5-3.5mm. Since the pantograph on the roof of the train slides continuously in one direction against the bottom of the contact wire to draw power, there is a risk of sliding and dislocation of the contact wire in the bus slot along the running direction of the line; when encountering natural disasters or war, the flood-proof door needs to be closed quickly. At this time, the contact wire and the bus-bar breakable device work in conjunction with the flood-proof door, there is a safety hazard of the contact wire falling off when retracted, and the stability, reliability and safety of the contact network system cannot be guaranteed. Summary of the invention

[0003] The purpose of the present invention is to overcome the above-mentioned shortcomings and provide a breakable lifting method for an underground rigid contact network, which completely solves the risks of horizontal sliding and dislocation in the operation of the contact line and the safety hazard of the contact line falling off when retracting, thereby ensuring the stability, reliability and safety of the contact network system; the material can be mass-produced and the surface is smooth and beautiful.

[0004] The object of the present invention is achieved in that:

[0005] A method for lifting an underground rigid contact network in a breakable manner, wherein the bottom of the busbar clamps the contact wire body, the middle part is connected to a connector of the contact wire body by fixing bolts, the top of the busbar corresponding to the contact wire body in the middle is connected to a lifting arm or a swing arm, the lifting arm is connected to a lifting arm control device, or the swing arm is connected to a swing arm control device, and a stop structure is provided between the contact wire body in the middle and the adjacent contact wire body;

[0006] When the flood prevention door needs to be closed quickly, the contact line body and the corresponding bus on the left side rotate 90° together, and the contact line body and the corresponding bus on the right side move right together, so that the middle contact line body is separated from the contact line bodies adjacent to both ends, and the lifting arm control device controls the lifting arm to lift or the swing arm control device controls the swing arm to swing, the contact line body and the corresponding bus are lifted at the same time, and the flood prevention door falls in linkage.

[0007] Preferably, the contact line body comprises a clamp contact body and a connecting body, the connecting body is arranged above the clamp contact body, and the clamp contact body and the connecting body are integrally formed.

[0008] Preferably, the contact wire body is divided into a male section and a female section, and one of the two adjacent sections of the contact wire body is a male section and the other is a female section; one end of the contact wire body serving as the female section is provided with a first stop, and the other end is provided with a second stop; one end of the contact wire body serving as the male section is provided with a third stop matching with the first stop, and the other end is provided with a fourth stop matching with the second stop.

[0009] Preferably, the clamping force formed by the deformation of the elastic slot of the bus clamps the clamp of the contact line body, the position is adjusted, and fixing bolts with equal spacing are installed to fix the connector of the contact line body to the middle of the bus. After the position is adjusted, the contact line body is completely fixed.

[0010] The beneficial effects of the present invention are:

[0011] The busbar and the contact line of the present invention are doubly fixed by the busbar clamping force and the fixing bolts, which completely solves the risks of horizontal sliding and dislocation in the operation of the contact line and the safety hazard of the contact line falling off when retracting, thereby ensuring the stability, reliability and safety of the contact network system; the material can be mass-produced and the surface is smooth and beautiful. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the contact line cross section of the prior art.

[0013] Figure 2 The present invention is a schematic diagram of a single section of a breakable large current-carrying anti-detachment contact wire.

[0014] Figure 3 This is an AA cross-sectional view of a breakable large current-carrying anti-detachment contact wire of the present invention.

[0015] Figure 4 It is a structural schematic diagram of the first stop.

[0016] Figure 5 It is a structural schematic diagram of the second stop.

[0017] Figure 6 Schematic diagram of the stopper installation between adjacent contact wire bodies.

[0018] Figure 7 The present invention is a schematic diagram of the installation of a breakable large current-carrying anti-detachment contact wire connection structure.

[0019] Figure 8 for Figure 7 Left view of .

[0020] Fig. 9 This is a schematic diagram of the installation of an embodiment of the present invention (the anti-flood door is open).

[0021] Fig.10This is a schematic diagram of the installation of Example 1 of the present invention (the anti-flood door is closed and the contact line is lifted and lowered in a linked manner).

[0022] Fig.11 This is a schematic diagram of the installation of Example 2 of the present invention (the anti-flood door is closed and the contact line is linked to swing and lift).

[0023] Among them: contact line body 1; clamp contact body 1.1; connecting body 1.2; mounting hole 1.2.1; first stop 1.3; first vertical surface 1.3.1; first horizontal surface 1.3.2; second vertical surface 1.3.3; second stop 1.4; inclined surface 1.4.1; second horizontal surface 1.4.2; third vertical surface 1.4.3; third stop 1.5; fourth stop 1.6; bus 2; fixing bolt 3; lifting arm 4; lifting arm control device 5; anti-flood door 6; swing arm 7; swing arm control device 8. DETAILED DESCRIPTION

[0024] See also Figure 2-11 The present invention relates to a breakable large current-carrying anti-dropping contact wire, comprising a contact wire body 1, wherein the cross section of the contact wire body 1 is a symmetrical structure, wherein the contact wire body 1 comprises a clamping contact body 1.1 and a connecting body 1.2, wherein the connecting body 1.2 is arranged above the clamping contact body 1.1, wherein the clamping contact body 1.1 and the connecting body 1.2 are integrally formed, wherein the clamping contact body 1.1 comprises a clamping body in an upper part and a contact body in a lower part, wherein the connecting body 1.2 is provided with mounting holes 1.2.1 along the length direction, wherein a plurality of mounting holes 1.2.1 are evenly spaced, wherein the cross-sectional area of ​​the contact wire body is increased by arranging the connecting body, thereby significantly improving the current carrying capacity.

[0025] The contact wire body 1 is provided with multiple sections along the length direction, and the ends of two adjacent sections of the contact wire body 1 are provided with stopper structures that cooperate with each other. The contact wires of two adjacent sections are stably connected by the stopper, and the strength of the connection is guaranteed at the same time.

[0026] The contact wire body 1 is divided into a male section and a female section, and one of two adjacent sections of the contact wire body 1 is a male section and the other is a female section.

[0027] One end of the contact wire body 1 as the female section is provided with a first stop 1.3, and the other end is provided with a second stop 1.4. One end of the contact wire body 1 as the male section is provided with a third stop 1.5 matching with the first stop 1.3, and the other end is provided with a fourth stop 1.6 matching with the second stop 1.4.

[0028] The first stop 1.3 is Z-shaped, comprising a first vertical surface 1.3.1, a first horizontal surface 1.3.2 and a second vertical surface 1.3.3 connected in sequence, the first vertical surface 1.3.1 is arranged on the inner side of the second vertical surface 1.3.2, and the first horizontal surface 1.3.2 and the first vertical surface 1.3.1 are transitioned in an arc.

[0029] The second stop 1.4 is lightning-shaped, comprising an inclined surface 1.4.1, a second horizontal surface 1.4.2 and a third vertical surface 1.4.3 connected in sequence, the inclined surface 1.4.1 and the second horizontal surface 1.4.2 are in arc transition, and an angle of 27-30° is formed between the inclined surface 1.4.1 and the second horizontal surface 1.4.2.

[0030] The first horizontal plane 1.3.2 and the second horizontal plane 1.4.2 are both arranged on the boundary line between the clamp contact body 1.1 and the connecting body 1.2.

[0031] A connection structure of a breakable large current-carrying anti-detachment contact line, comprising a contact line body 1 and a bus 2, wherein an elastic slot is provided at the bottom of the bus 2, wherein the elastic slot is used to clamp the clamp of the contact line body 1, and a connecting through hole is provided in the thickness direction of the bus 2, wherein the connecting through hole matches the mounting hole 1.2.1, and the connecting through hole and the mounting hole 1.2.1 are connected by a fixing bolt 3, wherein the mounting hole 1.2.1 is waist-shaped, and when the fixing bolt 3 is loosened, the mounting hole 1.2.1 can be adjusted in position along the length direction of the contact line body 1.

[0032] Embodiment 1:

[0033] In the installation of underground rigid contact network suspension, the above-mentioned breakable large current-carrying anti-detachment contact wire is adopted, the bottom of the busbar 2 clamps the contact wire body 1, the middle part is connected to the connector 1.2 of the contact wire body 1 through a fixing bolt 3, the left end of the contact wire body 1 in the middle is connected to the contact wire body 1' on the left through a first stop, the right end of the contact wire body 1 in the middle is connected to the contact wire body 1" on the right through a second stop, and the top of the busbar 2 corresponding to the contact wire body 1 in the middle is connected to the lifting arm 4, and the lifting arm 4 is connected to the lifting arm control device 5. In the working state, the elastic card of the busbar 2 The clamping force formed after the groove is deformed clamps the clamp head of the contact wire body, adjusts the position, and installs the fixing bolts 3 with equal spacing (spacing 500mm) to fix the connector of the contact wire body 1 to the middle of the bus 2. After adjusting the position, the contact wire body 1 is completely fixed, and the train is close to the contact body at the bottom of the contact wire body 1 through the roof pantograph, and continuously slides in one direction to draw power, keeping the train running safely and smoothly. The newly designed breakable contact wire body 1 has the dual fixing methods of the bus clamping force and fixing bolts, which is safe and stable, and completely solves the problem of inertial sliding of the contact wire when the breakable contact wire is rigidly suspended.

[0034] When encountering natural disasters or wars, the flood-proof door 6 needs to be closed quickly, the contact line body 1' and the corresponding bus are rotated 90° together, and the contact line body 1" and the corresponding bus are moved to the right together, so that the middle contact line body is separated from the contact line bodies adjacent to the two ends. At this time, the lifting arm control device 5 controls the lifting arm 4 to lift, the contact line body 1 and the corresponding bus 2 are lifted at the same time, and the flood-proof door 6 falls down in linkage. The breakable contact line of the present application has a dual fixing method of bus clamping force and fixing bolts, which completely solves the problem of the contact line falling off due to gravity when the breakable contact line is rigidly suspended, and ensures the stability, reliability and safety of the contact network system.

[0035] Embodiment 2:

[0036] In the suspension installation of the underground rigid contact network, the above-mentioned breakable large current-carrying anti-detachment contact wire is adopted, the bottom of the busbar 2 clamps the contact wire body 1, the middle part is connected to the connector 1.2 of the contact wire body 1 through a fixing bolt 3, the left end of the contact wire body 1 in the middle is connected to the contact wire body 1' on the left through a first stop, the right end of the contact wire body 1 in the middle is connected to the contact wire body 1" on the right through a second stop, and the top of the busbar 2 corresponding to the contact wire body 1 in the middle is connected to a swing arm 7, and the swing arm 4 is connected to a swing arm control device 8. In the working state, the elastic slot of the busbar 2 becomes The clamping force formed after the shape clamps the clamp head of the contact wire body, adjusts the position, and installs the fixing bolts 3 with equal spacing (spacing 500mm) to fix the connector of the contact wire body 1 to the middle of the bus 2. After adjusting the position, the contact wire body 1 is completely fixed, and the train is close to the contact body at the bottom of the contact wire body 1 through the roof pantograph, and continuously slides in one direction to draw power, keeping the train running safely and smoothly. The newly designed breakable contact wire body 1 has the dual fixing methods of the bus clamping force and fixing bolts, which is safe and stable, and completely solves the problem of inertial sliding of the contact wire when the breakable contact wire is rigidly suspended.

[0037] When encountering natural disasters or wars, the flood-proof door 6 needs to be closed quickly, the contact line body 1' and the corresponding bus are rotated 90° together, and the contact line body 1" and the corresponding bus are moved to the right together, so that the middle contact line body is separated from the contact line bodies adjacent to the two ends. At this time, the swing arm control device 8 controls the swing arm 7 to lift, the contact line body 1 and the corresponding bus 2 are lifted at the same time, and the flood-proof door 6 falls down in linkage. The breakable contact line of the present application has a dual fixing method of bus clamping force and fixing bolts, which completely solves the problem of the contact line falling off due to gravity when the breakable contact line is rigidly suspended, and ensures the stability, reliability and safety of the contact network system.

[0038] In addition to the above embodiments, the present invention also includes other implementation modes. Any technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.

Claims

1. A method for lifting an underground rigid contact network in a breakable manner, characterized in that: The bottom of the busbar clamps the contact wire body, the middle part is connected to the connector of the contact wire body by fixing bolts, the top of the busbar corresponding to the contact wire body in the middle is connected to the lifting arm or the swing arm, the lifting arm is connected to the lifting arm control device, or the swing arm is connected to the swing arm control device, and a stop structure is provided between the contact wire body in the middle and the adjacent contact wire body; When the anti-flooding door needs to be closed quickly, the contact wire body and the corresponding busbar on the left side rotate 90 degrees together, and the contact wire body and the corresponding busbar on the right side move right together, so that the middle contact wire body is separated from the contact wire bodies adjacent to the two ends, and the lifting arm control device controls the lifting arm to lift or the swing arm control device controls the swing arm to swing, the contact wire body and the corresponding busbar are lifted at the same time, and the anti-flooding door falls in linkage; The contact line body comprises a clamp contact body and a connector, wherein the connector is arranged above the clamp contact body, and the clamp contact body and the connector are integrally formed; The contact wire body is divided into a male section and a female section, one of the two adjacent sections of the contact wire body is a male section and the other is a female section; one end of the contact wire body as the female section is provided with a first stopper, and the other end is provided with a second stopper; one end of the contact wire body as the male section is provided with a third stopper matched with the first stopper, and the other end is provided with a fourth stopper matched with the second stopper; The clamping force formed by the deformation of the elastic slot of the bus clamps the clamp of the contact line body, adjusts the position, and installs fixing bolts with equal spacing to fix the connector of the contact line body to the middle of the bus. After adjusting the position, the contact line body is completely fixed.

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