CN213892249U - Mobile contact net device - Google Patents

Mobile contact net device Download PDF

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Publication number
CN213892249U
CN213892249U CN202023077168.2U CN202023077168U CN213892249U CN 213892249 U CN213892249 U CN 213892249U CN 202023077168 U CN202023077168 U CN 202023077168U CN 213892249 U CN213892249 U CN 213892249U
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China
Prior art keywords
net rack
assembly
insulator
movable
chain wheel
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CN202023077168.2U
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Chinese (zh)
Inventor
银振刚
孙军勇
王天星
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Lanzhou Yinli Electrical Equipment Co ltd
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Lanzhou Yinli Electrical Equipment Co ltd
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Abstract

The utility model discloses a remove contact net device. The device comprises a door-shaped assembly, a fixed net rack assembly, a movable net rack assembly and a driving part, wherein the fixed net rack assembly is arranged on the door-shaped assembly, and the driving part is arranged between the movable net rack assembly and the door-shaped assembly. The device has the advantages that the train drawn by the electric locomotive directly enters and exits the coal charging operation line of the hopper bin of the coal charging station, thereby not only ensuring the safety, convenience and rapidness of train loading and unloading, but also saving a large amount of investment for China and owners due to the purchase of internal combustion locomotives and the construction of related facilities, avoiding a series of additional operations caused by locomotive conversion, and greatly improving the operation efficiency.

Description

Mobile contact net device
Technical Field
The utility model relates to a draw electric locomotive to receive current in succession through the isolated plant of the no electric zone that can't erect the contact net line, specifically speaking are mobile contact net devices.
Background
In the non-contact network line section of loading points such as a hopper bin lower part and a coal loading yard of the existing coal loading station, a quantitative coal loading hopper of the hopper bin is fixed at a steel frame right above a line and can not translate, and can only rotate up and down within a certain angle range at a fixed position, the highest clearance of leakage difference from a rail surface is only 6m, and the moving range is about 9m along the line direction; for non-electrified lines, no problem exists when coal is loaded onto a train; however, for the electric line drawn by the electric locomotive running at a plurality of pulls, if the contact net is erected in a normal mode, the contact net is continuously penetrated at the quantitative hopper bin, so that the coal loading cannot be carried out.
Disclosure of Invention
An object of the utility model is to provide a remove contact net device, this device has avoided electric locomotive train business turn over coal charging station funnel storehouse coal charging operation line to use diesel locomotive to transfer the operation, make the direct business turn over coal charging station funnel storehouse coal charging operation line of train that electric locomotive pulls, the safe convenient and fast of train loading and unloading had both been guaranteed, a large amount of investments that take place because of diesel locomotive purchases and relevant facility construction have been saved again for country and owner, a series of additional operations of arousing because of the conversion locomotive are exempted from, the operating efficiency is greatly improved.
In order to achieve the above object, the utility model provides a mobile contact net device, which comprises a door-shaped assembly, a fixed net rack assembly, a mobile net rack assembly and a driving part, wherein the fixed net rack assembly and the mobile net rack assembly are arranged on the door-shaped assembly, and the driving part is arranged between the mobile net rack assembly and the door-shaped assembly;
the fixed net rack assembly comprises a fixed net rack, a post insulator and a bus bar, wherein the post insulator is arranged between the fixed net rack and the bus bar;
the movable net rack assembly comprises a movable net rack, a movable part and a traction chain wheel set, wherein the movable part is arranged on the movable net rack and is connected with the traction chain wheel set;
the driving part is installed on the door-shaped assembly through a chain wheel connecting plate I, the driving part further comprises a chain wheel support II installed on the chain wheel connecting plate I, a chain wheel II is installed on the chain wheel support II through a transmission shaft, the transmission shaft is connected with a speed reduction motor, and the chain wheel II is connected with a traction chain wheel group through a chain.
And an insulator connecting plate is arranged between the post insulator and the busbar, and an insulator support b is arranged between the insulator connecting plate and the post insulator.
And a suspension insulator is further arranged between the fixed net rack and the busbar.
And an insulator connecting plate is arranged between the suspension insulator and the busbar, and an insulator support a is arranged between the insulator connecting plate and the suspension insulator.
The moving part, the traction chain wheel set and the spring compensation structure form a suspender and hanging wheel assembly; and the suspender hanging wheel assembly is arranged on the movable net rack through a compensating device support.
One end of the transmission shaft is connected with the output end of the speed reducing motor, and the other end of the transmission shaft is provided with a blank cap which is connected with the speed reducing motor; and a retainer plate is arranged between the transmission shaft and the blank cap, and a speed reduction flange is arranged on the transmission shaft.
A signal detection module a, an isolating switch and an electric control module a are arranged on a fixed contact network line connected with the fixed net rack assembly; and a signal detection module b and an electrical control module b are installed on a mobile contact net line connected with the mobile net rack assembly.
A remove contact net device, its beneficial effect lies in:
1. safety and no pollution: the movable contact net device adopts flexible suspension, has simple structure, and has no insulator or metal non-metal structural part, no pollution of the insulator and the like and convenient and safe use, and only the contact net wire passes through the lower part of the coal bin; the contact net uses the isolating switch, the non-electric area can be extended to 60m when the inorganic vehicle passes through, and the safety and reliability during loading, unloading, overhauling or other operations are ensured;
2. the operation is stable and reliable: the movable contact net adopts flexible suspension and constant tension compensation, and is driven by the contact line to integrally move, thereby meeting the requirement of the highest running speed (60km/h) of a train;
3. the performance is good: the flexible suspension and main network connection part of the device adopts a parallel rigid transition structure, and the device is ensured to be contacted with the pantograph simultaneouslyThe wire is well transited to receive electricity, the contact net equipment and parts select advanced, mature and reliable products, key stress parts adopt high-quality alloy structural steel with high strength and good performance, hot-dip galvanizing is adopted for corrosion prevention, and a zinc coating is not lower than 550g/m2The coating has the characteristics of good corrosion resistance, long service life and less maintenance;
4. the positioning is accurate: the total power is respectively arranged on door-shaped frames at two ends, the walking speed of the moving net can be adjusted according to requirements, when the moving net moves at 15m/min, the moving net completes all the forward and backward movements for about 6 seconds, the accurate stop and positioning can be realized, and the error is generally +/-2 mm;
5. the control is flexible and reliable: the device adopts advanced control technology, electric interlocking and strong and weak electric isolation technology, has strong anti-interference capability, flexible interface, simple and reliable control and convenient use in very complex working sites. The device can be controlled by an upper computer and can also complete work after being separated;
6. the automation degree is high: during the working period (including the loading process) of the device, the electric interlocking is realized in the aspect of control, the use of the isolating switch increases the safety of the device, and auxiliary functions can be added according to the requirements of users to realize the switching among automation, manual operation and semi-automation.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a fixed rack assembly;
FIG. 3 is a first schematic view of a structure of a mobile rack assembly;
FIG. 4 is a schematic view of a second structure of the mobile rack assembly;
FIG. 5 is a schematic view of a drive unit;
FIG. 6 is a coal charging flow line of a hopper bin of an electric locomotive train entering and exiting a coal charging station;
fig. 7 is a working principle of the mobile catenary device;
FIG. 8 is a control flow chart;
in the figure: 1-door-shaped assembly, 2-fixed net rack assembly, 2-1-fixed net rack, 2-2-post insulator, 2-3-insulator connecting plate, 2-4-bus bar, 2-5-suspension insulator and 2-6-insulator support; 3-a movable net rack assembly, 3-1-a movable net rack, 3-2-a movable part, 3-3-a traction chain wheel set, 3-4-a spring compensation structure, 3-5-a compensation device support and 3-6-a suspender wheel assembly; 4-driving part, 4-1-sprocket bracket II, 4-2-sprocket connecting plate I, 4-3-sprocket II, 4-4-speed reducing motor, 4-5-transmission shaft, 4-6-retainer plate, 4-7-blank cap and 4-8-speed reducing flange.
Detailed Description
Example 1
As shown in fig. 1-8, the mobile contact net device of the present invention comprises a portal assembly 1, a fixed net rack assembly 2, a mobile net rack assembly 3, and a driving component 4, wherein the fixed net rack assembly 2 and the mobile net rack assembly 3 are installed on the portal assembly 1, and the driving component 4 is installed between the mobile net rack assembly 3 and the portal assembly 1;
the fixed net rack assembly 2 comprises a fixed net rack 2-1, a post insulator 2-2 and a bus bar 2-4, wherein the post insulator 2-2 is arranged between the fixed net rack 2-1 and the bus bar 2-4;
the movable net rack assembly 3 comprises a movable net rack 3-1, a movable part 3-2 and a traction chain wheel set 3-3, wherein the movable part 3-2 is arranged on the movable net rack 3-1, and the movable part 3-2 is connected with the traction chain wheel set 3-3;
the driving part 4 is arranged on the door-shaped assembly 1 through a chain wheel connecting plate I4-2, the driving part 4 further comprises a chain wheel support II 4-1 arranged on the chain wheel connecting plate I4-2, the chain wheel support II 4-1 is provided with a chain wheel II 4-3 through a transmission shaft 4-5, the transmission shaft 4-5 is connected with a speed reducing motor 4-4, and the chain wheel II 4-3 is connected with a traction chain wheel set 3-3 through a chain.
An insulator connecting plate 2-3 is arranged between the post insulator 2-2 and the bus bar 2-4, and an insulator support b 2-7 is arranged between the insulator connecting plate 2-3 and the post insulator 2-2.
And a suspension insulator 2-5 is also arranged between the fixed net rack 2-1 and the busbar 2-4.
An insulator connecting plate 2-3 is arranged between the suspension insulator 2-5 and the busbar 2-4, and an insulator support a 2-6 is arranged between the insulator connecting plate 2-3 and the suspension insulator 2-5.
The moving part 3-2, the traction chain wheel set 3-3 and the spring compensation structure 3-4 form a suspender hanging wheel assembly 3-6; the hanger rod and hanger wheel assembly 3-6 is arranged on the movable net rack 3-1 through a compensating device support 3-5.
One end of the transmission shaft 4-5 is connected with the output end of the speed reducing motor 4-4, and the other end of the transmission shaft is provided with a blank cap 4-7 connected with the speed reducing motor 4-4; a retainer plate 4-6 is arranged between the transmission shaft 4-5 and the blank cap 4-7, and a speed reduction flange 4-8 is arranged on the transmission shaft 4-5.
A signal detection module a, an isolating switch and an electric control module a are arranged on a fixed contact network line connected with the fixed net rack assembly 2; and a signal detection module b and an electrical control module b are installed on a mobile contact net line connected with the mobile net rack assembly 3.
The signal detection module a includes a sensor 1 and a sensor 2.
The gate-shaped assembly 1 comprises a gate-shaped assembly a and a gate-shaped assembly b, wherein a fixed net rack assembly a and a movable net rack assembly a are arranged on the gate-shaped assembly a, the fixed net rack assembly a is connected with a fixed contact net wire a, and the movable net rack assembly a is connected with a movable contact net wire; a fixed net rack assembly b and a movable net rack assembly b are arranged on the door-shaped assembly b, the fixed net rack assembly b is connected with a fixed contact net wire b, and the movable net rack assembly b is connected with a movable contact net wire; the fixed contact network cable a is not connected with the fixed contact network cable b;
a sensor 1, an isolating switch k, a sectional insulator and a plug connector a are arranged on the fixed contact network cable a; a sensor 2 is arranged on the mobile contact net line; and a sensor 3 is arranged on the fixed contact network cable b.
The portal assembly 1 is formed by welding I-shaped steel, a carrier cable is directly anchored to the portal assembly 1 when a fixed net rack 2-1 is anchored, a contact line on a busbar 3-4 is anchored to a rigid transition structure (i.e. a pi-shaped beam) so as to be parallel to the rigid transition structure of the contact line of the mobile network, the parallel width is 400mm, and the actual parallel length of a rigid rail is 3m, so that the pantograph of the locomotive can be contacted with a double line at the same time to be well transited and powered; the movable net rack assembly 3 adopts rollers to transversely move along the cross beam I-shaped steel, and the transverse moving mechanism adopts a steel wire rope to pull, so that the operation is stable and reliable; the spring compensation structure 3-4 and the compensation device support 3-5 are connected to the contact wire terminal anchor positioner through a compensation inhaul cable, a rod insulator and a compensation positioner inhaul cable, so that automatic constant tension compensation of the contact wire is realized; when the movable net rack assembly 3 moves forwards and backwards, the movable part 3 is provided with an automatic displacement mechanism which automatically compensates the displacement generated when the inhaul cable pulls the movable part; the signal detection module is used for detecting the inlet and outlet of a locomotive, automatically sending the inlet and outlet of the locomotive to the electric control module through signal acquisition and controlling working procedures such as the advance and retreat of the movable net rack assembly 3, the on-off of the isolating switch and the like; the isolating switch is used for controlling the power on and off of the device, so that the locomotive can normally pass through the device under the condition of power supply, the locomotive can move the contact net to be free of power after a station in front of the station or when the locomotive is not on a line, the contact net can be moved when the locomotive is free of power, and the coal charging, the overhauling or other operations can be safely carried out; the electrical control module is controlled by a PLC and is used for controlling the whole mobile contact network device to perform signal processing, instruction sending, drive control and the like, and meanwhile, the contact network control box is interlocked with the coal charging chute in a lifting mode, so that the normal work of the whole device is guaranteed.
Example 2
As shown in fig. 1 to 8, the structure of the mobile contact net device of the present invention is the same as that of embodiment 1; when the sectional insulator is used, in an initial state, the chute is in a parking position (lifted) of the locomotive, the movable contact network cable is in a working position, the movable contact network cable (area III) is conducted with the rear end contact cable (area II) of the sectional insulator, the isolating switch K is disconnected, and the movable contact network cable is not electrified; when a traction locomotive of a front bow (forbidding lifting of double bows) enters the front end (I area) of a coal charging station, a sensor 1 detects that a train enters, provides a signal to a control system to close an isolating switch K, the rear end of a section insulator and a movable contact net (II area and III area) are electrified, a chute is still at a parking position, a movable contact net wire is at a working position, and the locomotive is successfully electrified and passes through a coal bunker; when the locomotive continues to move forward to a position where the front bow is in contact with the fixed contact network cable b (area IV) and leaves the movable contact network cable, the sensors 2 and 3 detect that the locomotive enters a normal contact network cable power supply area (area V), provide a signal to the control system to disconnect the isolating switch and drive the movable contact network cable to move from the working position to the parking position, and at the moment, the chute can slide to the working position from the parking position; and starting automatic coal charging, lifting the chute to a parking position after the coal car is completely charged and leaves, driving the movable contact network cable to move from the parking position to a working position after the sensors 2 and 3 detect that the car is completely discharged (namely, the coal charging is completed), and reaching an initial position to ensure the driving safety, thereby completing a working cycle. Ready to enter the next run.
The electric control module adopts PLC control, and has two control modes of automatic control and manual control, and can be selected according to the situation in the operation process, and the control flow chart is shown in figure 6.
Safety protection measures such as electric interlocking and automatic detection are applied in the whole electric control process, firstly, a mobile contact network must enter a working position when a coal bunker is retracted, and therefore the mobile contact network control box is required to be moved to be interlocked with the lifting of the coal bunker, the coal bunker can enter after being lifted by the mobile network, and the mobile network can fall after being withdrawn from the coal bunker; secondly, the mobile contact network cable is required to be moved after power failure, the mobile contact network cable driving motor and an isolating switch K are required to be interlocked, the isolating switch K is located at a disconnection position, and the mobile contact network cable driving motor can be electrified; and when the isolating switch K is in a closing state, the motor cannot be started under the control of the contact network. Similarly, when the mobile contact network cable moves, the disconnecting switch K is not allowed to perform closing operation;
and only after the contact net returns to the normal working position, the disconnecting switch is allowed to carry out switching-on operation. The system is controlled by the PLC, is simple to operate, is safe and reliable, can send out alarm signals when any misoperation or electromechanical fault occurs in the running process of the system, is convenient for operators to remove the fault in time, and is convenient for users to further improve and upgrade because the rest control contacts are reserved in the control system.
1. Automatic process
Firstly, turning on a power switch, lighting a power indicator lamp, electrifying a system, lighting a mobile network entering indicator lamp, and at the moment, enabling the mobile network to be in an initial position, namely a working position;
secondly, turning a 'normal-maintenance' switch to a 'normal' state;
thirdly, turning on an automatic switch to an automatic system to enter an automatic control state, and automatically operating the system according to a detection signal;
fourthly, detecting that the locomotive automatically closes after entering the isolating switch, lighting an indicating lamp of the isolating switch, enabling the moving contact net to be electrified, and enabling the locomotive to smoothly pass through;
detecting that the isolating switch is automatically switched off after the locomotive is delivered from a cabin, wherein an indicating lamp of the isolating switch is not on, a mobile contact network is not electrified, the mobile network automatically exits, and an indicating lamp of the mobile network exits is on;
after all the vehicles are detected to be discharged, the mobile network automatically resets, the mobile network entering indicating lamp is on, and the mobile network is not electrified, namely returns to the initial position to wait for the next work cycle.
2. Manual process
Firstly, turning on a power switch, lighting a power indicator lamp, electrifying a system, lighting a mobile network entering indicator lamp, and at the moment, enabling the mobile network to be in an initial position, namely a working position;
secondly, turning a 'normal-maintenance' switch to a 'normal' state;
thirdly, turning on an automatic-manual switch to be manual, and enabling the system to enter a manual control state;
after receiving a locomotive entering signal, pressing a 'disconnecting switch closing' button, switching on the disconnecting switch, and turning on a 'disconnecting switch' indicator light, so that the moving contact net is electrified, and the locomotive can smoothly pass through;
after receiving a locomotive delivery signal, pressing a disconnecting switch breaking button, disconnecting the disconnecting switch, and turning off a disconnecting switch indicator light, so that the mobile contact network is powered off;
pressing the mobile network exit button to exit the mobile network, and lighting a mobile network exit indication lamp;
and seventhly, after all the vehicle delivery signals are received, a 'moving net resetting' button is pressed, the moving net returns to the initial position, namely the working position, and a 'moving net entering indicating' lamp is on and waits for the next working cycle.
3. Maintenance process
Any malfunction or mechanical fault in the system operation process can send out an alarm signal, and a fault indication lamp is on to require an operator to remove the fault in time.
Firstly, turning a 'normal-maintenance' switch to a 'maintenance' state, and then, the system is not electrified;
and secondly, maintaining and repairing the system.

Claims (7)

1. The utility model provides a remove contact net device which characterized in that: the net rack device comprises a door-shaped assembly (1), a fixed net rack assembly (2), a movable net rack assembly (3) and a driving part (4), wherein the fixed net rack assembly (2) and the movable net rack assembly (3) are arranged on the door-shaped assembly (1), and the driving part (4) is arranged between the movable net rack assembly (3) and the door-shaped assembly (1);
the fixed net rack assembly (2) comprises a fixed net rack (2-1), a post insulator (2-2) and a busbar (2-4), wherein the post insulator (2-2) is arranged between the fixed net rack (2-1) and the busbar (2-4);
the movable net rack assembly (3) comprises a movable net rack (3-1), a movable part (3-2) and a traction chain wheel set (3-3), wherein the movable part (3-2) is installed on the movable net rack (3-1), and the movable part (3-2) is connected with the traction chain wheel set (3-3);
the driving part (4) is installed on the door-shaped assembly (1) through a chain wheel connecting plate I (4-2), the driving part (4) further comprises a chain wheel support II (4-1) installed on the chain wheel connecting plate I (4-2), the chain wheel support II (4-3) is installed on the chain wheel support II (4-1) through a transmission shaft (4-5), the transmission shaft (4-5) is connected with a speed reducing motor (4-4), and the chain wheel II (4-3) is connected with a traction chain wheel set (3-3) through a chain.
2. The mobile catenary device of claim 1, further comprising: an insulator connecting plate (2-3) is arranged between the post insulator (2-2) and the busbar (2-4), and an insulator support b (2-7) is arranged between the insulator connecting plate (2-3) and the post insulator (2-2).
3. The mobile catenary device of claim 2, further comprising: and a suspension insulator (2-5) is also arranged between the fixed net rack (2-1) and the busbar (2-4).
4. The mobile catenary device of claim 3, further comprising: an insulator connecting plate (2-3) is arranged between the suspension insulator (2-5) and the busbar (2-4), and an insulator support a (2-6) is arranged between the insulator connecting plate (2-3) and the suspension insulator (2-5).
5. The mobile catenary device of claim 1, further comprising: the moving part (3-2), the traction chain wheel set (3-3) and the spring compensation structure (3-4) form a suspender hanging wheel assembly (3-6); the hanger rod hanging wheel assembly (3-6) is arranged on the movable net rack (3-1) through a compensating device support (3-5).
6. The mobile catenary device of claim 1, further comprising: one end of the transmission shaft (4-5) is connected with the output end of the speed reducing motor (4-4), and the other end of the transmission shaft is provided with a blank cap (4-7) which is connected with the speed reducing motor (4-4); a retainer plate (4-6) is arranged between the transmission shaft (4-5) and the blank cap (4-7), and a speed reduction flange (4-8) is arranged on the transmission shaft (4-5).
7. The mobile catenary device of claim 1, further comprising: a signal detection module a, an isolating switch and an electric control module a are arranged on a fixed contact network line connected with the fixed net rack assembly (2); and a signal detection module b and an electrical control module b are installed on a mobile contact net line connected with the mobile net rack assembly (3).
CN202023077168.2U 2020-12-19 2020-12-19 Mobile contact net device Active CN213892249U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023077168.2U CN213892249U (en) 2020-12-19 2020-12-19 Mobile contact net device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023077168.2U CN213892249U (en) 2020-12-19 2020-12-19 Mobile contact net device

Publications (1)

Publication Number Publication Date
CN213892249U true CN213892249U (en) 2021-08-06

Family

ID=77104732

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023077168.2U Active CN213892249U (en) 2020-12-19 2020-12-19 Mobile contact net device

Country Status (1)

Country Link
CN (1) CN213892249U (en)

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