CN211789861U - Electrical connection plug-in device and mobile contact network system - Google Patents
Electrical connection plug-in device and mobile contact network system Download PDFInfo
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- CN211789861U CN211789861U CN202021571803.XU CN202021571803U CN211789861U CN 211789861 U CN211789861 U CN 211789861U CN 202021571803 U CN202021571803 U CN 202021571803U CN 211789861 U CN211789861 U CN 211789861U
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Abstract
The disclosure relates to an electric connection plugging device and a mobile contact system, which can be applied to power supply of the mobile contact system in rail transit. The electric connection plugging device is used for providing electric connection between the mobile contact line assembly and the fixed contact net and comprises a walking device and a first electric connection device, the walking device and the first electric connection device are arranged on a cross frame and a stand column which are used for supporting the mobile contact line assembly, the first electric connection device comprises a first matching part and a second matching part, the first matching part is arranged on the walking device and is electrically connected with the contact line assembly, the second matching part is fixed on the cross frame, and the walking device can drive the first matching part and the second matching part to form electric connection when being far away from the stand column to move. When the traveling device drives the movable contact line assembly to be in place or return, the traveling device can drive the first matching part to move, so that the first matching part and the second matching part can be automatically connected or separated in an inserting mode, the structure is simple and reliable, and the control is easy.
Description
Technical Field
The disclosure relates to the technical field of rail transit mobile contact networks, in particular to an electric connection plugging device and a mobile contact network system.
Background
In a railway freight yard, it is often necessary to load the freight from above the car by mechanical tools such as forklifts or loaders. The overhead contact system for supplying electric power to the electric locomotive is arranged above the electrified railway line, and no space for loading equipment is provided, so that the overhead contact system is not arranged above the track in the station yard, and the internal combustion locomotive is used for carrying out whole-locomotive traction operation after the train enters a station track with the overhead contact system, so that the train is dragged to stop at a station section without the overhead contact system, and then loading operation is carried out. After loading, the diesel locomotive pulls the train back to the station with the contact network cable, and the train is connected with the electric locomotive. Therefore, the operation mode needs frequent scheduling and is low in efficiency. One known solution is to arrange mobile catenary systems in the yard. The method specifically comprises the following steps: the vertical column is arranged along the track, the movable support rod is arranged on the vertical column, the support rod can rotate in the horizontal direction or the vertical direction, and the contact line and the carrier cable are connected to the tail end of the support rod. When the supporting rod rotates, the contact line and the carrier cable at the tail end of the supporting rod are moved away from the position right above the train, and space is made for loading operation.
The above solution requires an electric drive on each column, which is costly. The control system for realizing synchronous driving of each driving device is complex, and the overall electrical reliability is not high. In addition, in order to ensure the synchronous movement of the contact line, a rigid contact line is generally adopted, and the method is not suitable for a large-length freight station.
Disclosure of Invention
In order to solve the above technical problem or at least partially solve the above technical problem, the present disclosure provides an electrical connection plug device and a mobile contact network system.
The first aspect provides an electric connection plugging device, which is used for providing electric connection between a mobile contact line assembly and a fixed contact network and comprises a walking device and a first electric connection device, wherein the walking device and the first electric connection device are arranged on a cross frame and a stand column which are used for supporting the mobile contact line assembly, the first electric connection device comprises a first matching part and a second matching part, the first matching part is arranged on the walking device and is electrically connected with the contact line assembly, the second matching part is fixed on the cross frame, and the walking device can drive the first matching part and the second matching part to form electric connection when being far away from the stand column to move.
In a first possible implementation manner, the first mating member and the second mating member form an electrical connection through the mating of the plug and the slot.
With reference to the foregoing possible implementation manners, in a second possible implementation manner, the second matching part includes a first movable part and a second movable part, and a predetermined distance is provided between a terminal of the first movable part and a terminal of the second movable part to form a slot; the first movable piece and/or the second movable piece can deform or move to change the width of the slot.
In combination with the above possible implementation manners, in a third possible implementation manner, the first movable member and the second movable member are arranged side by side to form a "U" shaped structure.
With reference to the foregoing possible implementation manners, in a fourth possible implementation manner, the second mating member further includes an elastic member, and the elastic member acts on the first movable member and/or the second movable member to hinder the first movable member and/or the second movable member from separating.
In combination with the above possible implementation manners, in a fifth possible implementation manner, the first mating member includes a plug, the plug is provided with at least one inclined surface, and an obtuse angle is formed between the inclined surface and the insertion direction.
In a sixth possible implementation manner, in combination with the above possible implementation manners, the slot of the second mating member includes at least one inclined side surface, and the inclined side surface is used for forming conductive contact with the inclined surface of the plug.
In combination with the above possible implementation manners, in a seventh possible implementation manner, the device further comprises a second electrical connection device, the second electrical connection device comprises a third matching part and a fourth matching part, the third matching part is arranged on the traveling device, the fourth matching part is arranged on the upright post or the cross frame and is grounded, and the traveling device can drive the third matching part and the fourth matching part to form electrical connection when moving close to the upright post.
In combination with the above possible implementation manners, in an eighth possible implementation manner, the third mating member and the fourth mating member form an electrical connection through the mating of the plug and the slot.
With reference to the foregoing possible implementation manners, in a ninth possible implementation manner, the fourth matching part includes a first movable part and a second movable part, and a predetermined distance is provided between a distal end of the first movable part and a distal end of the second movable part to form a slot; the first movable piece and/or the second movable piece can deform or move to change the width of the slot.
In combination with the above possible implementation manners, in a tenth possible implementation manner, the first movable member and the second movable member are arranged side by side to form a "U" shaped structure.
With reference to the foregoing possible implementation manners, in an eleventh possible implementation manner, the fourth matching part further includes an elastic member, and the elastic member acts on the first movable member and/or the second movable member to hinder the first movable member and/or the second movable member from separating.
In a second aspect, there is provided a mobile contact net system comprising an electrically connecting plug device according to any one of the first aspect.
Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages: when the traveling device drives the movable contact line assembly to be in place or return, the traveling device can drive the first matching part to move, so that the first matching part and the second matching part can be automatically connected or separated in an inserting mode, the structure is simple and reliable, and the control is easy.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a mobile contact network system provided in accordance with an embodiment of the present disclosure;
fig. 2 is a top view of the mobile catenary of fig. 1;
figure 3 is a schematic view of the contact wire assembly of the moving catenary of figure 2 shown retracted;
FIG. 4 is a schematic structural diagram of an electrical connection structure;
FIG. 5 is a front view and corresponding top view of the first and second mating parts;
fig. 6 is a top view of the first and second parts of fig. 5.
Reference numerals:
100-a first portal frame, 110-a first vertical frame, 120-a second vertical frame, 130-a transverse frame, 141-a first driving mechanism, 142-a second driving mechanism and 150-a walking device;
200-a second portal, 210-a first stand, 220-a second stand, 230-a crossbar; 241-a first driving mechanism, 242-a second driving mechanism, 250-a walking device;
300-upright post, 310-telescoping mechanism, 320-connecting mechanism;
400-contact wire assembly, 410-carrier cable, 420-mobile contact wire;
600-first electrical connection means, 610-first counterpart, 611-plug, 612-upper bevel, 613-lower bevel, 620-second counterpart, 621-first movable piece, 622-second movable piece, 623-groove, 624-upper counter-bevel, 625-lower counter-bevel, 626-elastic piece;
700-second electrical connection means, 710-third partner, 720-fourth partner;
a-track, b-stationary contact line, d-stationary contact line.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.
The electrical connection plug device is applied to a mobile contact net system, and for convenience of explaining the structure of the electrical connection plug device and the working process thereof, the electrical connection plug device will be described below with reference to a mobile contact net. The movable contact net system provided by the disclosure can change the relative position between the contact line and the upright column, so that the contact line is moved away from the upper part of the track, and the carrying operation is avoided. The crossbearers of the first portal frame and the second portal frame are both provided with a traveling device, the upright posts are provided with telescopic mechanisms, and the contact wires are connected in series on the traveling devices and the telescopic mechanisms. When the traveling device moves along the cross frame, the traveling device drives the contact line and the telescopic mechanism to follow up, so that the contact line is moved away from the upper part of the track to give way for loading operation; or to move the contact wire above the track to provide the electric locomotive with preparatory electric power. The telescopic mechanisms provide support and limit for the contact wires, and the telescopic mechanisms on the stand columns are mutually independent and can move synchronously. The technical scheme of the disclosure is further explained by combining the drawings in the specification.
Referring to fig. 1 to 3, fig. 1 is a schematic structural view of a mobile catenary system provided according to an embodiment of the present disclosure, fig. 2 is a top view of the mobile catenary system in fig. 1, and fig. 3 is a schematic structural view of the mobile catenary system in fig. 2 when a contact wire assembly is retracted.
The mobile contact net system is one part of the contact net system, and two ends of the mobile contact net system are fixed contact net systems and can obtain electric power from the fixed contact net systems to supply power to the locomotive. The length of the contact line in the mobile contact net system is equivalent to the length of the freight yard. The mobile overhead line system comprises a first portal 100, a second portal 200, a plurality of uprights 300, a line contact assembly 400, a driving device, a walking device, a telescoping mechanism and a connecting mechanism. The first gantry 100 and the second gantry 200 are respectively positioned at both ends of the mobile contact net system, both of which cross the track, and the beam is provided with a driving device and a traveling device. A plurality of columns 300 are positioned between the two gantries and arranged at the sides of the track according to a predetermined interval, and the upper portions of the columns are used for installing a telescopic mechanism and a connecting mechanism. The telescoping mechanism can radially telescope along the upright 300, and the connecting mechanism is fixed at the tail end of the telescoping mechanism. The contact wire assembly 400 is coupled at both ends to the traveling devices of the first gantry 100 and the second gantry 200, and at the middle portion to the coupling mechanism of the mast 300.
The first mast 100 is disposed on the entry side of the yard. The first mast 100 includes a first stand 110, a second stand 120, and a cross-frame 130. The first stand 110 and the second stand 120 are symmetrically disposed at both sides of the rail. The cross frame 130 crosses the rail a, and both ends thereof are fixed to the top ends of the first and second stands 110 and 120, respectively. The cross frame 130 is provided with a driving device and a traveling device 150. The driving means is used for driving the traveling means 150 to reciprocate on the cross frame 130. The running gear 150 is used to attach one end of the contact wire assembly 400. Specifically, the driving means includes a first driving mechanism 141 and a second driving mechanism 142. The first driving mechanism 141 is used for driving the traveling device 150 to move toward the first stand 110. The second driving mechanism 142 is used for driving the traveling device 150 to move toward the second stand 120.
The second portal 200 is disposed at the departure side of the yard with a certain distance from the first portal 100. The second portal 200 includes a first stand 210, a second stand 220, and a cross frame 230. The first stand 210 and the second stand 220 are symmetrically disposed at both sides of the rail. The cross frame 230 spans the rail a, and both ends thereof are fixed to the top ends of the first and second stands 210 and 220, respectively. The cross frame 230 is provided with a driving device and a traveling device 250. The driving device is used for driving the walking device 250 to reciprocate on the cross frame 230. Running gear 250 is used to connect the other end of contact wire assembly 400. Specifically, the driving device includes a first driving mechanism 241 and a second driving mechanism 242. The first driving mechanism 241 is used for driving the traveling device 250 to move toward the first stand 210. The second driving mechanism 242 is used for driving the traveling device 250 to move toward the second stand 220. The running gear 150 and the running gear 250 should move in synchronization.
The coupling mechanism 320 is disposed at the free end of the telescoping mechanism 310. The attachment mechanism 320 is used to attach the contact wire assembly 400.
The contact wire assembly 400 includes a messenger wire 410 and a moving contact wire 420 side-by-side in the vertical direction. The two ends of the carrier cable 410 and the movable contact line 420 are respectively fixed on the walking device 150 and the walking device 250, and the middle part is fixed on the connecting mechanism 320 of the upright 300, which is equivalent to the contact line assembly 400 connecting the walking device 150, the walking device 250 and the connecting mechanism 320 in series. When the traveling device 150 and the traveling device 250 move synchronously, the contact wire assembly 400 can be driven to move under the support of the telescoping mechanism 310 and the connecting mechanism 320, so that the contact wire assembly 400 moves between the right upper side and the lateral upper side of the track a. The telescoping mechanism 310 has a supporting function on the contact line assembly 400, and the telescoping mechanism 310 has a telescoping stroke limitation, so that the contact line assembly 400 can be limited and positioned.
When the retracting mechanism 310 is in the extended state, the contact wire assembly 400 is located right above the track a, and the moving contact wire 420 is in communication with the fixed contact wire b and the fixed contact wire d. The electric locomotive may now be provided with power from the moving contact wire 420 to normally enter or pass through the segment. When the retractable mechanism 310 is in the retracted state, the contact wire assembly 400 is then located above the track a, which provides a working space for the top of the electric locomotive and facilitates loading of the loading device.
Referring to fig. 4 and 5, fig. 4 is a schematic structural view of an electrical connection structure, and fig. 5 is a front view and a corresponding top view of the first coupling part 610 and the second coupling part 620. The electrical connection means comprises a first electrical connection means 600 for directing electrical power from the fixed contact wire b to the moving contact wire 420 and a second electrical connection means 700 for grounding the moving contact wire 420 when the contact wire assembly 400 is moved above the track a.
The first electrical connecting device 600 includes a first coupling member 610 and a second coupling member 620, the first coupling member 610 is disposed on the walking device and electrically connected to the contact line assembly 400, and the second coupling member 620 is fixed on the cross frame and electrically connected to the fixed contact line b. When the walking device moves away from the upright post, the first coupling part 610 can be driven to contact with the second coupling part 620 to form an electric connection, and electric power is transferred to the moving contact wire 420, so that the pantograph is powered.
Specifically, the first part 610 and the second part 620 form an electrical connection therebetween through a plug and socket fit. The first part 610 comprises a spigot 611, the spigot 611 being a pointed spigot with an upper ramp 612 and a lower ramp 613 meeting at the end of the spigot 611.
The second coupling part 620 is provided with a groove, and the plug 611 of the first coupling part 610 can be inserted into the groove to form a stable connection, so that the reliability of power supply is ensured. The second couple part 620 includes a first movable piece 621, a second movable piece 622, a groove 623, an upper counter slope 624, a lower counter slope 625 and an elastic piece 626.
The first movable piece 621 and the second movable piece 622 are two long plate structural parts, which are arranged side by side, and one end of each long plate is connected together and fixed on the cross frame to form a U-shaped structure. The other end of the long plate is a free end with a certain distance between the free ends of the two long plates, thereby forming a groove 623. The free ends of the long plates are arrow-shaped, and the opposite parts of the free end surfaces of the two long plates are an upper reverse inclined surface 624 and a lower reverse inclined surface 625, which form a reduced groove space for the insertion of the plug 611. And the first movable piece 621 and the second movable piece have a certain elasticity, and free ends thereof can be moved close to and away from each other, so that the width of the groove 623 can be varied.
The second coupling member 620 further comprises a mechanism for controlling the clamping degree of the upper counter-slope 624 and the lower counter-slope 625, and specifically comprises a shaft and two elastic members 626, wherein the elastic members 626 are springs in this embodiment. The elastic member acts on the first movable member 621 and the second movable member 622 to hinder the separation thereof. Specifically, a shaft penetrates the first movable member 621 and the second movable member 622 from the middle, two springs are respectively provided at the projecting portions of the shaft and are restrained between the retainer rings and the movable members by the retainer rings, and the two springs can apply a pressing force that tends to bring the first movable member 621 and the second movable member 622 closer to each other. When the plug 611 is inserted into the groove 623 between the first movable piece 621 and the second movable piece 622, the upper reverse inclined surface 624 and the lower reverse inclined surface 625 can be pressed against the upper inclined surface 612 and the lower inclined surface 613 respectively, so that the electrical connection is kept stable.
In some alternative embodiments, the plug 611 may also be provided with only one bevel, and correspondingly, the second mating part 620 may also be provided with a matching bevel, which also allows for a stable electrical connection. In other alternative embodiments, the elastic member 626 may not be provided, and the pressure may be applied to the plug 611 only by the elasticity/flexibility of the first movable member 621 and the second movable member 622 themselves. In other alternative embodiments, the first movable member 621 and the second movable member 622 may also be rigid structures, and the distance between the free ends thereof is not adjustable. In other alternative embodiments, the first coupling member 610 can be elastically telescopic along the moving direction (the length direction of the cross frame).
The second electrical connection device 700 includes a third mating member 710 and a fourth mating member 720, the third mating member 710 is disposed on the traveling device, the fourth mating member 720 is disposed on the vertical column or the horizontal frame and is grounded, when the traveling device moves close to the vertical column, the traveling device can drive the third mating member 710 and the fourth mating member 720 to contact/connect to form an electrical connection, thereby avoiding an accident caused when the moving contact line 420 is charged accidentally.
The third coupling 710 has the same structure as the first coupling 610, and the fourth coupling 720 has the same structure as the second coupling 620, and the coupling therebetween is also the same as the coupling between the first coupling 610 and the second coupling 620.
The third part 710 and the fourth part 720 form an electrical connection through a plug and socket fit. The third mating member 710 includes a plug which is a pointed plug with upper and lower angled surfaces meeting at the end of the plug.
The fourth matching part 720 is provided with a groove, and the plug of the third matching part 710 can be inserted into the groove to form stable connection, so that the reliability of power supply is ensured. The fourth matching part 720 comprises a first movable part, a second movable part, a groove, an upper reverse inclined surface, a lower reverse inclined surface and an elastic part.
The first movable piece and the second movable piece are two long plate structural parts, the two long plates are arranged side by side, and one ends of the two long plates are connected together and fixed on the cross frame to form a U-shaped structure. The other end of the long plate is a free end, and a certain distance is reserved between the free ends of the two long plates, so that a groove is formed. The free ends of the long plates are in an arrow shape, the parts, opposite to the free end surfaces of the two long plates, are an upper reverse inclined surface and a lower reverse inclined surface, and the upper reverse inclined surface and the lower reverse inclined surface form a reduced groove space for inserting a plug. And the first movable piece and the second movable piece have certain elasticity, and the free ends of the first movable piece and the second movable piece can be close to each other and far away from each other, so that the width of the groove can be changed.
The fourth mating member 720 further includes a mechanism for controlling the clamping degree of the upper reverse incline and the lower reverse incline, and specifically includes a shaft and two elastic members, in this embodiment, the elastic members are springs. The elastic member acts on the first movable member and the second movable member to hinder the first movable member and the second movable member from separating. Specifically, the shaft penetrates the first movable member and the second movable member from the middle, the two springs are respectively arranged on a protruding part of the shaft and are limited between the retainer ring and the movable member by the retainer ring, and the two springs can apply pressure which enables the first movable member and the second movable member to have a tendency to approach each other. When the plug is inserted into the groove between the first movable member and the second movable member, the upper reverse inclined surface and the lower reverse inclined surface can be pressed on the upper inclined surface 612 and the lower inclined surface respectively, so that the electrical connection is kept stable.
In some alternative embodiments, the plug may also be provided with only one bevel, and correspondingly, the fourth mating member 720 may also be provided with a matching bevel, so that a stable electrical connection can be achieved. In other alternative embodiments, the elastic member may not be provided, and the pressure may be applied to the plug only by the elasticity/flexibility of the first movable member and the second movable member themselves. In other alternative embodiments, the first movable member and the second movable member may be rigid structures, and the distance between the free ends of the first movable member and the second movable member is not adjustable. In other alternative embodiments, the third mating member 710 can be elastically telescopic along the moving direction (the length direction of the cross frame).
The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (13)
1. The utility model provides an electricity is connected grafting device for provide the electricity between removal contact line subassembly and the fixed contact net and connect, its characterized in that, including running gear and first electric connection device, running gear with first electric connection device sets up and is used for supporting on crossbearer and the stand of removal contact line subassembly, first electric connection device includes first idol and second idol, first idol set up in running gear on and with the contact line subassembly electricity is connected, second idol is fixed in the crossbearer, running gear keeps away from can drive when the stand removes first idol with second idol forms the electricity and connects.
2. The electrical connection patch device of claim 1, wherein the first mating member and the second mating member form an electrical connection therebetween via a plug and socket fit.
3. The electrical connection patch device of claim 2, wherein the second mating member includes a first movable member and a second movable member, a distal end of the first movable member and a distal end of the second movable member having a predetermined spacing therebetween to form the slot; the first movable piece and/or the second movable piece can deform or move to change the width of the slot.
4. An electrical connection plug device according to claim 3, wherein the first and second movable members are arranged side by side to form a "U" shaped structure.
5. The electrical connection splicing device of claim 3 wherein the second mating member further comprises a resilient member that acts on the first movable member and/or the second movable member to resist separation thereof.
6. An electrical connection plug device according to claim 3, wherein the first partner comprises a plug which is provided with at least one bevel which is at an obtuse angle to the plug-in direction.
7. The electrical connection patch device of claim 3, wherein the slot of the second mating member includes at least one beveled side for making conductive contact with a beveled side of the header.
8. The electrical connection plugging device according to claim 1, further comprising a second electrical connection device, wherein the second electrical connection device comprises a third matching part and a fourth matching part, the third matching part is disposed on the traveling device, the fourth matching part is disposed on the vertical column or the cross frame and is grounded, and the traveling device can drive the third matching part and the fourth matching part to form an electrical connection when moving close to the vertical column.
9. The electrical connection patch device of claim 8, wherein the third mating member and the fourth mating member form an electrical connection therebetween via a plug and socket fit.
10. The electrical connection patch device of claim 9, wherein the fourth mating member includes a first movable member and a second movable member, a distal end of the first movable member and a distal end of the second movable member having a predetermined spacing therebetween to form the slot; the first movable piece and/or the second movable piece can deform or move to change the width of the slot.
11. The electrical connection patch device of claim 10, wherein the first movable member and the second movable member are arranged side-by-side to form a "U" shaped structure.
12. The electrical connection patch device of claim 11, wherein the fourth mating member further comprises a resilient member acting on the first movable member and/or the second movable member to resist separation thereof.
13. A mobile contact net system comprising an electrical connection plug device according to any one of claims 1 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202021571803.XU CN211789861U (en) | 2020-07-31 | 2020-07-31 | Electrical connection plug-in device and mobile contact network system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021571803.XU CN211789861U (en) | 2020-07-31 | 2020-07-31 | Electrical connection plug-in device and mobile contact network system |
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| CN211789861U true CN211789861U (en) | 2020-10-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113643918A (en) * | 2021-07-13 | 2021-11-12 | 兰州新伟车辆装备有限公司 | Mobile contact net power supply device with arc extinction function and mobile contact net |
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2020
- 2020-07-31 CN CN202021571803.XU patent/CN211789861U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113643918A (en) * | 2021-07-13 | 2021-11-12 | 兰州新伟车辆装备有限公司 | Mobile contact net power supply device with arc extinction function and mobile contact net |
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