CN108621867B - Automatic disconnection device for rigid contact net - Google Patents
Automatic disconnection device for rigid contact net Download PDFInfo
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- CN108621867B CN108621867B CN201810761590.8A CN201810761590A CN108621867B CN 108621867 B CN108621867 B CN 108621867B CN 201810761590 A CN201810761590 A CN 201810761590A CN 108621867 B CN108621867 B CN 108621867B
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- 238000005192 partition Methods 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims description 41
- 238000004804 winding Methods 0.000 claims description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 15
- 229910052802 copper Inorganic materials 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 15
- 230000006698 induction Effects 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 3
- 230000002265 prevention Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 238000010292 electrical insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000003578 releasing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M3/00—Feeding power to supply lines in contact with collector on vehicles; Arrangements for consuming regenerative power
- B60M3/04—Arrangements for cutting in and out of individual track sections
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Abstract
The invention relates to an automatic disconnection device of a rigid contact net, which consists of three parts, namely a sliding type bus bar joint, a middle section movable bus bar and a hinged type bus bar joint, wherein the sliding type bus bar joint and the hinged type bus bar are respectively fixed on the fixed ends of bus bars on two sides of an opening and closing track of a flood-proof door or a partition door, and one end of the middle movable bus bar is fixed with the hinged type bus bar joint through a hinge shaft. The movable bus bar can rotate along a hinge shaft through a hinged joint to change the connection state of the bus bar. The other fixed busbar is provided with a sliding joint which is composed of a fixed mounting support and a sliding block. The slider contains a groove inside that mates with the busbar cross section.
Description
Technical Field
The invention relates to an automatic on-off device of a rigid contact net, which is used in the field of subway civil air defense engineering, in particular to an automatic on-off device of the rigid contact net, which is applied to a vertical rotation type flood prevention door or a partition door in a subway tunnel, a lifting type flood prevention door or a partition door.
Background
In urban subway rail transit in China, a rail vehicle electricity supply mode of a rigid contact net is widely adopted, and the rigid contact net is a power supply system formed by embedding contact wires into bus bars connected end to end. Meanwhile, in order to ensure the safety of subway engineering equipment and personnel, flood entering tunnels and stations caused by unexpected sudden flood accidents are prevented, and large-scale casualties and property loss are avoided, and flood prevention doors or partition doors are required to be arranged on the tunnels of the sections of the subway lines when the subway lines pass through the river sections. At present, the form of a flood-proof door or a partition door mainly comprises a lifting type door and a vertical rotating type door. The lifting type flood-proof door or partition door is mainly a welded steel structure of a planar cross beam, guide wheels, extrusion wheels and sliding guide blocks are adopted at two sides of the door, and the door is matched with a door slot and slides up and down in the door slot, so that the flood-proof door can be opened and closed in a tunnel to enable water to flow or block. The vertical rotation type flood gate or partition gate can be made into a single leaf according to the dimension of the civil engineering structure in the tunnel, a driving mechanism bracket with a gate body is arranged on one side and is connected with the civil engineering foundation, the vertical rotation type flood gate or partition gate is stored on one side in the tunnel at ordinary times, and the gate body is closed under the driving of a hydraulic element during operation, so that the flood gate can be opened and closed in the tunnel to enable water to circulate or block.
At present, a section of bus bar is arranged on a motion track of opening and closing a door body, and the section of bus bar is required to be manually detached when the flood gate or the partition gate is closed, so that the door body can be normally closed. After the flood gate or the partition gate is opened, the section of bus bar is manually installed so as to ensure the normal power supply of the subway. Therefore, the flood gate or the partition gate cannot be effectively and timely closed due to the existence of the rigid contact net, and in an emergency, a person manually disconnects the rigid contact net, so that a great potential safety hazard exists.
Disclosure of Invention
The invention aims to improve and innovate the defects and problems in the background technology, and provides an automatic disconnection and restoration device of a rigid contact net, which realizes automatic linkage with a flood gate or a partition gate and ensures that the flood gate or the partition gate can be effectively closed in time.
In order to realize the invention, the technical scheme provided by the invention is as follows:
an automatic disconnection and restoration device of a rigid contact net adopts a three-section bus bar and contact line structure, wherein two sections of bus bars and contact lines are respectively fixed on two sides of an opening and closing track of a flood-proof door or a partition door and are fixed bus bars, and the automatic disconnection and restoration device comprises a bus bar fixed end I, a bus bar fixed end II, a sliding bus bar connector and a hinge bus bar connector which are fixedly hoisted on tunnel walls on two sides; the bus bar fixing end I1 is connected with a sliding bus bar connector to form a section of fixed bus bar; the bus bar fixing end II is connected with a hinged bus bar joint to form another section of fixed bus bar; the third section of bus bar is a movable bus bar, and the movable bus bar is respectively connected with the two sections of fixed bus bars through a sliding bus bar connector and a hinge type bus bar connector. The movable bus bar can rotate up and down along the hinged bus bar joint, and the connection and disconnection states of the bus bar are switched; the sliding bus bar connector can be meshed with and loosened from the movable bus bar, so that the movable bus bar is fixed when the bus bar is in a connection position, and the movable bus bar is released when the bus bar is in a disconnection position.
Further, a stay bar support is arranged on the movable bus bar, a bus bar winding degree control stay bar and a conductive copper cable are arranged on the movable bus bar, one end of the bus bar winding degree control stay bar is arranged on the movable bus bar through the stay bar support, the other end of the bus bar winding degree control stay bar is movably connected with the hinge type bus bar connector, and the length of the bus bar winding degree control stay bar can be adjusted according to vertical deformation generated by dead weight when the movable bus bar is horizontally placed, so that the purpose of controlling the winding degree of the movable bus bar is achieved.
Further, the sliding type busbar joint is composed of a first cover plate, a first conductive arm, a high-voltage insulating support, a first push rod mechanism, a sliding block pin, a first fixing block, a first busbar disconnection position sensor and a first busbar connection position sensor.
Further, the outside of the sliding busbar joint is formed by 2 cover plates, 2 first conductive arms are connected through bolts to form a rigid member with a closed side face, and a groove matched with the section of the busbar fixed end I is formed in the first fixed block; the first cover plate and the first conductive arm are fixed on the busbar fixed end I through a first fixed block by bolts, and the sliding block is arranged on the first conductive arm through a sliding block pin; the side surface of the first conductive arm is provided with a chute, so that the sliding block can slide along the direction of the chute; the sliding block is provided with a groove matched with the section of the movable bus bar, when the sliding block slides to one end limit position, the inner groove is meshed with the movable bus bar, so that the movable bus bar is connected with the sliding type bus bar connector retaining structure, and the three sections of bus bars are kept in an electric connection state at the moment.
Further, the sliding block moves along the sliding groove through a first push rod mechanism; one end of the first push rod mechanism is connected with the sliding block, and the other end of the first push rod mechanism is hinged with the high-voltage insulation support; the first push rod mechanism is of a worm and gear structure and performs stretching movement in a manual driving mode or a mode driven by a first driving motor.
Further, the sliding busbar joint is provided with a first busbar disconnection position sensor and a first busbar connection position sensor. The first busbar disconnection position sensor and the first busbar connection position sensor are induction type sensors, the receiving ends of the first busbar disconnection position sensor and the first busbar connection position sensor are respectively arranged on the first fixed block and the first cover plate through insulating supports, the induction ends of the first busbar disconnection position sensor and the first busbar connection position sensor are arranged on the sliding block through the insulating supports, and the first busbar disconnection position sensor and the first busbar connection position sensor can sense the position of the sliding block relative to the first conductive arm, so that the on-off state of the movable busbar and the sliding busbar connector can be identified.
Further, the hinged busbar joint is composed of a second conductive arm, a hinge pin, a rotating block, a second fixed block, a second cover plate, a first support, a second push rod mechanism, a second support, a second busbar off position sensor and a second busbar on position sensor.
Further, the outer part of the hinged busbar joint is formed by 2 pieces of second cover plates, the 2 pieces of second conductive arms are connected through bolts to form a rigid member with a closed side face, and a groove matched with the section of the busbar fixing end II is formed in the second fixing block of the hinged busbar joint; the second cover plate and the second conductive arm are fixed on the busbar fixed end II through a second fixed block by bolts, grooves matched with the sections of the movable busbars are formed in the rotating block, and the second cover plate and the second conductive arm are fixedly connected with the movable busbars through bolts. While the rotating block is kept hinged to the second conductive arm by a hinge pin.
Further, the rotation of the rotating block is accomplished by a second push rod mechanism; one end of the second push rod mechanism is hinged with the first support on the rotating block, and the other end of the second push rod mechanism is hinged with the second support; the second push rod mechanism is of a worm and gear structure, and stretching movement is performed in a manual driving mode or a mode of a second driving motor.
Further, the hinged busbar joint is provided with a second busbar disconnection position sensor and a second busbar connection position sensor. The second busbar disconnection position sensor and the second busbar connection position sensor are induction type sensors, the receiving ends of the second busbar disconnection position sensor and the second busbar connection position sensor are installed on the second conductive arm through the insulating support, the induction ends of the second busbar disconnection position sensor and the second busbar connection position sensor are installed on the first support through the insulating support, and the second busbar disconnection position sensor and the second busbar connection position sensor can sense the position of the rotating block relative to the second conductive arm, so that the on-off state of the movable busbar and the sliding busbar connector can be identified.
Further, the second push rod mechanism is provided with an insulating joint which can keep the second push rod mechanism electrically insulated from the bus bar; the second support is made of high-voltage resistant insulating materials, so that the second driving motor can be guaranteed, and the second push rod mechanism is electrically insulated from the busbar. Meanwhile, in order to improve the electrical conductivity of the movable bus bar and the bus bar fixing end II, a conductive copper cable is further arranged, one end of the conductive copper cable is connected with the bus bar fixing end II, the other end of the conductive copper cable is connected with the movable bus bar, the connecting point of the conductive copper cable is a proper connecting point selected according to the actual potential characteristics, the potential difference of the isolated bus bars is eliminated, and the sparking phenomenon caused by large current is avoided.
The automatic disconnection and restoration device for the rigid contact net is applied to the vertical rotation type flood prevention door or the partition door and the lifting type flood prevention door or the partition door, and the automatic disconnection and restoration device for the rigid contact net busbar joint also comprises a control system, wherein the control system is connected to the opening and closing control system of the flood prevention door or the partition door, can be in high-efficiency fit with the opening and closing action of the flood prevention door or the partition door, realizes full-automatic operation, reduces the risk of personnel operation, and shortens the opening and closing time of the flood prevention door or the partition door.
The working principle is as follows: when the system receives a signal that the flood-proof door or the partition door needs to be closed, the first driving motor of the sliding type busbar joint drives the first push rod mechanism to drive the inner sliding block of the sliding type busbar joint to slide to the breaking limit position, and at the moment, the middle movable busbar is separated from the fixed-end busbar. Meanwhile, the second driving motor of the hinged busbar joint drives the second push rod mechanism, so that the movable busbar of the middle section downwards rotates along the other fixed busbar until the movable busbar of the middle section descends to the design limit position, and the movable busbar of the middle section is completely outside the movement track of the door body. When the sensor on the hinged busbar joint detects the busbar disconnection signal, a door opening signal is sent to the door opening and closing system, and the door opening and closing system drives the door to be closed until the door closing action is completed.
When the system receives a signal for completely opening the flood gate or the partition gate, the second driving motor of the hinged bus bar joint drives the second pushing rod mechanism to drive the middle section movable bus bar to rotate upwards around the fixed end bus bar until the movable bus bar moves into the sliding bus bar joint device, and at the moment, the first driving motor of the sliding end bus bar joint drives the first pushing rod mechanism to enable the sliding block to slide to the limit position, and the middle section movable bus bar is locked. At this time, the three-stage bus is fully on.
Compared with the prior art, the invention has the following technical effects:
compared with the prior art, the method can completely control the motion track of the bus bar at the middle section of the method for disconnecting the overhead contact system of the subway engineering for powering the overhead contact system, and mechanically (but not freely) ensures that the overhead contact system cannot fall in the opening and closing range of the flood gate or the partition gate. Meanwhile, the flood prevention door or the partition door does not need to be designed with a large door body and a small door body due to bus bar through door holes or other mechanisms with complicated measures due to sealing bus bars, so that the flood prevention door or the partition door is simple and convenient to design and good in engineering tightness. The bus bar is short in operation time of switching on and switching off, and no personnel are required to operate on site, so that the bus bar has the characteristics of simple structure, safety and reliability.
Drawings
FIG. 1 is a schematic diagram of a bus on state of the present invention;
FIG. 2 is a schematic view of the bus bar fixing end I in the bus bar disconnected state of FIG. 1;
FIG. 3 is a schematic view of the bus bar fixing end II in the bus bar disconnected state of FIG. 1;
FIG. 4 shows the sliding bus bar tab on state at bus bar fixed end I;
FIG. 5 shows the sliding bus bar tab on bus bar fixed end I in an open state;
FIG. 6 is a longitudinal cross-sectional view of FIG. 4;
FIG. 7 is a section A-A of FIG. 6;
FIG. 8 is a B-B cross-sectional view of FIG. 6;
FIG. 9 is a hinged busbar joint on condition at busbar fixed end II;
FIG. 10 is a broken state of the hinged bus bar connector at the bus bar fixed end II;
FIG. 11 is a longitudinal cross-sectional view of FIG. 9;
FIG. 12 is a section B-B of FIG. 11;
FIG. 13 is a cross-sectional view of C-C of FIG. 11;
FIG. 14 is a schematic view of the relative position of an automatic switching-off device for a rigid catenary and a door body width of 800-6500mm in a fully closed state (movable busbar band degree control stay);
FIG. 15 is a schematic view of the relative position of an automatic switching-off device for a rigid catenary according to the present invention with a door body width of 800-1000mm in a fully open state (movable buss bar without a wrap control strut);
fig. 16 is a schematic diagram of the disconnection state of the automatic disconnection device of the rigid contact net in the lifting door closing state;
fig. 17 is a schematic diagram of the fully opened state of the automatic disconnection device of the rigid contact net in the lifting door opening state.
Detailed Description
The invention is described in further detail below in connection with the embodiments of fig. 1-17.
As shown in fig. 1-3, an automatic disconnection device for a rigid contact net adopts a three-section bus bar structure, wherein two sections of bus bars are respectively fixed on two sides of an opening and closing track of a flood gate or a partition gate 9, are fixed bus bars, and comprise a bus bar fixed end i 1, a bus bar fixed end ii 2, a sliding bus bar joint 3 and a hinge type bus bar joint 4 which are fixedly hoisted on tunnel walls 10 on two sides. The bus bar fixing end I1 is connected with a sliding bus bar joint 3 to form a section of fixed bus bar. The bus bar fixed end II 2 is connected with a hinged bus bar joint 4 to form another section of fixed bus bar. The third section of bus bar is a movable bus bar 5, and the movable bus bar 5 is respectively connected with the two sections of fixed bus bars through a sliding bus bar connector 3 and a hinge bus bar connector 4. The movable bus bar 5 can rotate up and down along the hinged bus bar joint 4 to switch the on and off states of the bus bar. The sliding busbar joint 3 can engage and disengage the movable busbar 5 so that the movable busbar 5 is fixed in the busbar on position and the movable busbar 5 is released in the busbar off position.
The movable bus bar 5 is provided with a supporting bar support 6, a bus bar winding degree control supporting bar 7 and a conductive copper cable 8, one end of the bus bar winding degree control supporting bar 7 is arranged above the movable bus bar 5 through the supporting bar support 6, the other end of the bus bar winding degree control supporting bar is movably connected with the hinge type bus bar joint 4, and the length of the bus bar winding degree control supporting bar can be adjusted according to vertical deformation generated by dead weight when the movable bus bar 5 is horizontally placed, so that the purpose of controlling the winding degree of the movable bus bar 5 is achieved.
As shown in fig. 4 to 8, the sliding-type busbar joint 3 is composed of a first cover plate 3-1, a first conductive arm 3-2, a high-voltage insulating support 3-3, a first push rod mechanism 3-5, a slider 3-6, a slider pin 3-7, a first fixed block 3-8, a first busbar-off position sensor 3-9, and a first busbar-on position sensor 3-10. The outside of the sliding busbar joint 3 is formed by connecting 2 cover plates 3-1 and 2 first conductive arms 3-2 through bolts to form a rigid member with a closed side, and a groove matched with the section of the busbar fixed end I1 is formed in the first fixed block 3-8. The first cover plate 3-1 and the first conductive arm 3-2 are fixed to the bus bar fixing end I1 by bolts through the first fixing block 3-8, the section of which is shown in the sectional view B-B of FIG. 8, and the slider 3-6 is mounted on the first conductive arm 3-2 through the slider pin 3-7. The side surface of the first conductive arm 3-2 is provided with a chute, so that the sliding block 3-6 can slide along the direction of the chute. The slide blocks 3-6 are provided with grooves which are matched with the cross sections of the movable bus bars 5, when the movable bus bars slide to one end limit position, the inner grooves are meshed with the movable bus bars 5, so that the movable bus bars are connected with the sliding bus bar connector 3 through a retaining structure, and the three sections of bus bars are kept in an electric connection state at the moment. The movement of the slide 3-6 along the chute is accomplished by means of the first push rod mechanism 3-5. One end of the first push rod mechanism 3-5 is connected with the sliding block 3-6, and the other end is hinged with the high-voltage insulation support 3-3. The first push rod mechanism 3-5 is of a worm and gear structure, and stretching movement is carried out in a manual driving mode or a mode driven by the first driving motor 3-4. The sliding bus bar joint 3 is provided with a first bus bar off position sensor 3-9 and a first bus bar on position sensor 3-10. The first busbar open position sensor 3-9 and the first busbar close position sensor 3-10 are both induction type sensors, the receiving ends of which are respectively arranged on the first fixed block 3-8 and the first cover plate 3-1 through insulating brackets, and the induction ends of which are arranged on the sliding block 3-6 through the insulating brackets. As shown in fig. 5, the first bus bar off position sensor 3-9 and the first bus bar on position sensor 3-10 sense the position of the slider 3-6 relative to the first conductive arm 3-2, so that the on-off state of the movable bus bar 5 and the sliding bus bar joint 3 can be recognized.
As shown in fig. 9-13. The hinged busbar joint 4 is composed of a second conductive arm 4-1, a hinge pin 4-2, a rotating block 4-3, a second fixed block 4-11, a second cover plate 4-10, a first support 4-4, a second push rod mechanism 4-5, a second support 4-7, a second busbar disconnection position sensor 4-8 and a second busbar connection position sensor 4-9. The outside of the hinged busbar joint 4 is formed by connecting 2 pieces of second cover plates 4-10 and 2 pieces of second conductive arms 4-1 through bolts to form a rigid member with a closed side face, and a groove matched with the section of the busbar fixing end II 2 is formed in the second fixing block 4-11 of the hinged busbar joint 4. The second cover plate 4-10 and the second conductive arm 4-1 are bolted to the busbar fixing end ii 2 by the second fixing block 4-11, the cross section of which is shown in the sectional view C-C of fig. 13. The rotating block 4-3 is internally provided with a groove matched with the section of the movable busbar 5, and is fixedly connected with the movable busbar 5 through bolts. While the rotating block 4-3 remains hinged to the second conductive arm 4-1 by means of the hinge pin 4-2. The rotation of the rotating block 4-3 is accomplished by the second pusher mechanism 4-5. One end of the second push rod mechanism 4-5 is hinged with the first support 4-4 on the rotating block 4-3, and the other end is hinged with the second support 4-7. The second push rod mechanism 4-5 is of a worm and gear structure, and stretching movement is carried out by a second driving motor 4-6. The hinged busbar joint 4 is provided with a second busbar off position sensor 4-8 and a second busbar on position sensor 4-9. The second busbar open position sensor 4-8 and the second busbar close position sensor 4-9 are both induction type sensors, the receiving ends of which are arranged on the second conductive arm 4-1 through an insulating bracket, and the induction ends of which are arranged on the first support 4-4 through an insulating bracket. As shown in fig. 10, the second bus bar off position sensor 4-8 and the second bus bar on position sensor 4-9 sense the position of the rotating block 4-3 with respect to the second conductive arm 4-1, so that the on-off state of the movable bus bar 5 and the sliding bus bar joint 4 can be recognized. The second push rod mechanism 4-5 is provided with an insulating joint for maintaining electrical insulation of the second push rod mechanism 4-5 from the bus bar. The second support 4-7 is made of high-voltage resistant insulating materials, so that the electrical insulation between the second driving motor 4-6 and the second push rod mechanism 4-5 and the bus bar can be ensured.
In order to improve the electrical conductivity of the movable bus bar 5 and the bus bar fixing end II 2, a conductive copper cable 8 is further arranged, one end of the conductive copper cable is connected with the bus bar fixing end II 2, the other end of the conductive copper cable is connected with the movable bus bar 5, the connection point of the conductive copper cable is a proper connection point selected according to the actual potential characteristics, and the potential difference of the isolated bus bars is eliminated, so that the sparking phenomenon caused by large current is avoided.
As shown in fig. 14-15 and fig. 16-17, the automatic disconnection and automatic restoration device for the rigid contact net busbar joint is applied to a vertical rotation type flood gate or partition gate and a lifting type flood gate or partition gate, and further comprises a control system, wherein the control system is connected to an opening and closing control system of the flood gate or partition gate, can be matched with the opening and closing action of the flood gate or partition gate in an efficient manner, realizes full-automatic operation, reduces the risk of personnel operation, and shortens the opening and closing time of the flood gate or partition gate.
The movable bus bar 5 can be designed to be of a length L=800-6500 mm according to the mode of arranging an electric vertical lifting type flood gate or partition gate 9 or a hydraulic vertical rotation type flood gate or partition gate 9.
Or the length of the movable bus bar is designed according to the arrangement of the electric vertical lifting type flood-proof door or partition door 9, the length L=800-1000 mm of the movable bus bar 5 can be simplified, and the adjustable bus bar winding degree control stay bar 7 is not arranged.
Or the length of the movable bus bar 5 is designed according to the width dimension of the door hole of the hydraulic vertical rotation type flood-proof door or partition door 9, and the length L=3800-6500 mm of the movable bus bar 5. The movable bus bar 5 is provided with an adjustable bus bar winding degree control stay bar 7 for controlling the vertical deformation of the movable bus bar 5, realizing the accurate matching of the movable bus bar 5 and the sliding bus bar and completing the reliable meshing and releasing actions.
The foregoing embodiments are merely illustrative of the technical solutions of the present invention and are not intended to limit the present invention, and variations of the technical solutions of the present application are within the scope of the present application according to the common general knowledge in the art, and in any case, the foregoing embodiments are merely illustrative, and the scope of the present application is subject to the scope of the appended claims.
Claims (8)
1. An automatic disconnected device that restores of rigidity contact net, its characterized in that: the bus bar structure comprises a bus bar fixed end I (1), a bus bar fixed end II (2), a sliding bus bar joint (3) and a hinge type bus bar joint (4), wherein the bus bar fixed end I (1), the bus bar fixed end II (2) and the hinge type bus bar joint (4) are fixedly hoisted on tunnel walls (10) at two sides; the bus bar fixing end I (1) is connected with a sliding bus bar joint (3) to form a section of fixed bus bar; the bus bar fixed end II (2) is connected with a hinged bus bar joint (4) to form another section of fixed bus bar; the third section of bus bar is a movable bus bar (5), and the movable bus bar (5) is respectively connected with the two sections of fixed bus bars through a sliding bus bar connector (3) and a hinge bus bar connector (4); the movable bus bar (5) can rotate up and down along the hinged bus bar joint (4) to switch the connection state and the disconnection state of the bus bar; the sliding type bus bar joint (3) can be meshed with and loosened from the movable bus bar (5), so that the movable bus bar (5) is fixed when the bus bar is in a connection position, and the movable bus bar (5) is released when the bus bar is in a disconnection position;
the movable bus bar (5) is provided with a support bar support (6), a bus bar winding degree control support bar (7) and a conductive copper cable (8), one end of the bus bar winding degree control support bar (7) is arranged on the movable bus bar (5) through the support bar (6), the other end of the bus bar winding degree control support bar is movably connected with the hinge type bus bar joint (4), and the length of the bus bar winding degree control support bar can be adjusted according to vertical deformation generated by dead weight when the movable bus bar (5) is horizontally placed, so that the purpose of controlling the winding degree of the movable bus bar (5) is achieved;
the hinged busbar joint (4) consists of a second conductive arm (4-1), a hinge pin (4-2), a rotating block (4-3), a second fixed block (4-11), a second cover plate (4-10), a first support (4-4), a second push rod mechanism (4-5), a second support (4-7), a second busbar disconnection position sensor (4-8) and a second busbar connection position sensor (4-9); the outside of the hinge type busbar joint (4) is formed by connecting 2 pieces of second cover plates (4-10) and 2 pieces of second conductive arms (4-1) through bolts to form a rigid member with a closed side face, and a groove matched with the section of the busbar fixed end II (2) is formed in the second fixed block (4-11) of the hinge type busbar joint (4); the second cover plate (4-10) and the second conductive arm (4-1) are fixed on the busbar fixed end II (2) through a second fixed block (4-11) by bolts, grooves matched with the sections of the movable busbar (5) are formed in the rotating block (4-3), the rotating block is fixedly connected with the movable busbar (5) through bolts, and meanwhile the rotating block (4-3) is hinged with the second conductive arm (4-1) through a hinge pin (4-2).
2. An automatic disconnection device for a rigid catenary according to claim 1, wherein: the sliding bus bar connector (3) consists of a first cover plate (3-1), a first conductive arm (3-2), a high-voltage insulation support (3-3), a first push rod mechanism (3-5), a sliding block (3-6), a sliding block pin (3-7), a first fixed block (3-8), a first bus bar disconnection position sensor (3-9) and a first bus bar connection position sensor (3-10); the outside of the sliding busbar joint (3) is formed by connecting 2 cover plates (3-1) and 2 first conductive arms (3-2) through bolts to form a rigid member with a closed side face, and a groove matched with the section of the busbar fixed end I (1) is formed in the first fixed block (3-8); the first cover plate (3-1) and the first conductive arm (3-2) are fixed on the busbar fixed end I (1) through a first fixed block (3-8) by bolts, and the sliding block (3-6) is arranged on the first conductive arm (3-2) through a sliding block pin (3-7); a sliding groove is formed in the side face of the first conductive arm (3-2), so that the sliding block (3-6) can slide along the sliding groove direction; the sliding blocks (3-6) are provided with grooves matched with the cross sections of the movable bus bars (5), when the sliding blocks slide to one end limit position, the inner grooves are meshed with the movable bus bars (5) to enable the sliding blocks to be connected with the sliding type bus bar connector (3) through a retaining structure, and the three sections of bus bars are kept in an electric connection state at the moment.
3. The automatic disconnection device for a rigid contact network according to claim 2, wherein: the sliding block (3-6) moves along the sliding groove through a first push rod mechanism (3-5); one end of the first push rod mechanism (3-5) is connected with the sliding block (3-6), and the other end is hinged with the high-voltage insulation support (3-3); the first push rod mechanism (3-5) is of a worm and gear structure, and stretching movement is carried out in a manual driving mode or a mode driven by the first driving motor (3-4).
4. An automatic disconnection device for a rigid catenary according to claim 3, wherein: the sliding busbar joint (3) is provided with a first busbar disconnection position sensor (3-9) and a first busbar connection position sensor (3-10); the first busbar disconnection position sensor (3-9) and the first busbar connection position sensor (3-10) are both induction type sensors, the receiving ends of the first busbar disconnection position sensor and the first busbar connection position sensor are respectively arranged on the first fixed block (3-8) and the first cover plate (3-1) through insulating supports, the induction ends of the first busbar disconnection position sensor and the first busbar connection position sensor are arranged on the sliding block (3-6) through insulating supports, and the first busbar disconnection position sensor (3-9) and the first busbar connection position sensor (3-10) can sense the position of the sliding block (3-6) relative to the first conductive arm (3-2), so that the on-off state of the movable busbar (5) and the sliding busbar joint (3) can be identified.
5. An automatic disconnection device for a rigid catenary according to claim 1, wherein: the rotation of the rotating block (4-3) is accomplished by a second push rod mechanism (4-5); one end of the second push rod mechanism (4-5) is hinged with the first support (4-4) on the rotating block (4-3), and the other end is hinged with the second support (4-7); the second push rod mechanism (4-5) is of a worm and gear structure, and stretching movement is carried out in a manual driving mode or a mode of a second driving motor (4-6).
6. The automatic disconnection device for a rigid contact network according to claim 5, wherein: the hinged busbar joint (4) is provided with a second busbar disconnection position sensor (4-8) and a second busbar connection position sensor (4-9); the second busbar disconnection position sensor (4-8) and the second busbar connection position sensor (4-9) are both induction type sensors, the receiving ends of the second busbar disconnection position sensor are arranged on the second conductive arm (4-1) through the insulating support, the induction ends of the second busbar disconnection position sensor are arranged on the first support (4-4) through the insulating support, and the second busbar disconnection position sensor (4-8) and the second busbar connection position sensor (4-9) can sense the position of the rotary block (4-3) relative to the second conductive arm (4-1), so that the on-off state of the movable busbar (5) and the sliding busbar joint (4) can be identified.
7. The automatic disconnection device for a rigid contact network of claim 6, wherein: the second push rod mechanism (4-5) is provided with an insulating joint, and can keep the second push rod mechanism (4-5) electrically insulated from the busbar; the second support (4-7) is made of high-voltage resistant insulating materials, so that the second driving motor (4-6) can be ensured, and the second push rod mechanism (4-5) is electrically insulated from the busbar; meanwhile, for improving the electrical conductivity of the movable bus bar (5) and the bus bar fixing end II (2), a conductive copper cable (8) is further arranged, one end of the conductive copper cable is connected with the bus bar fixing end II (2), the other end of the conductive copper cable is connected with the movable bus bar (5), the connecting point of the conductive copper cable is a proper connecting point selected according to the actual potential characteristics, the potential difference of the isolated bus bar is eliminated, and the sparking phenomenon caused by large current is avoided.
8. The use of the automatic repeat unit of rigid contact net according to any one of claims 1-7 in vertical rotary flood gate or partition gate and lifting flood gate or partition gate, characterized in that: the automatic disconnection and restoration device of the rigid contact net further comprises a control system, wherein the control system is connected with the opening and closing control system of the flood gate or the partition gate, and can be matched with the opening and closing actions of the flood gate or the partition gate in a high-efficiency manner, so that full-automatic operation is realized, the risk of personnel operation is reduced, and meanwhile, the opening and closing time of the flood gate or the partition gate is shortened.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810761590.8A CN108621867B (en) | 2018-07-12 | 2018-07-12 | Automatic disconnection device for rigid contact net |
| PCT/CN2019/095636 WO2020011236A1 (en) | 2018-07-12 | 2019-07-11 | Automatic disconnection and re-connection device for rigid overhead lines |
| JP2020543690A JP6982193B2 (en) | 2018-07-12 | 2019-07-11 | Rigid contact network automatic cutoff recovery device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810761590.8A CN108621867B (en) | 2018-07-12 | 2018-07-12 | Automatic disconnection device for rigid contact net |
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| CN108621867A CN108621867A (en) | 2018-10-09 |
| CN108621867B true CN108621867B (en) | 2023-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810761590.8A Active CN108621867B (en) | 2018-07-12 | 2018-07-12 | Automatic disconnection device for rigid contact net |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020011236A1 (en) * | 2018-07-12 | 2020-01-16 | 广州地铁设计研究院股份有限公司 | Automatic disconnection and re-connection device for rigid overhead lines |
| CN111806307B (en) * | 2020-06-05 | 2024-10-29 | 中铁电气化勘测设计研究院有限公司 | Movable contact net at people's air defense partition door |
| CN113401011B (en) * | 2021-06-25 | 2023-01-10 | 中铁电气化勘测设计研究院有限公司 | Rigid-flexible combined contact network system of non-upper cover field section |
| CN115092016A (en) * | 2022-08-05 | 2022-09-23 | 浙江旺隆轨道交通设备有限公司 | Rigid contact net disconnecting device |
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