CN205336020U - A termination that is used for track transportation vehicles with exchanging frequency conversion traction motor lead -out wire - Google Patents
A termination that is used for track transportation vehicles with exchanging frequency conversion traction motor lead -out wire Download PDFInfo
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- CN205336020U CN205336020U CN201520880102.7U CN201520880102U CN205336020U CN 205336020 U CN205336020 U CN 205336020U CN 201520880102 U CN201520880102 U CN 201520880102U CN 205336020 U CN205336020 U CN 205336020U
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- frequency conversion
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Abstract
The utility model provides a termination that is used for track transportation vehicles with exchanging frequency conversion traction motor lead -out wire. It solves the inside termination of current three phase current cable introduction motor organism easily to make three -phase cable jacket insulation ageing, damage or technical problem such as fracture and inconvenient maintenance appear at motor operation in -process. It includes terminal box (1), terminal case lid (2), pin connection head (5), cable junction head (6) and supporting seat (7), set up the mount pad in terminal box (1), set up pin connection through -hole (12) bottom terminal box (1), set up the cable connect through -hole in one side of terminal box (1), pin connection head (5), cable junction head (6) mount pad in terminal box (1) link firmly each other. Its simple structure is reliable, and operation maintenance is convenient, but its wide application on subway, light rail etc. Exchange frequency conversion traction motor, but also the wide application improves with interchange frequency conversion traction motor in various track transportation vehicles.
Description
Technical field
This utility model relates to a kind of termination, particularly a kind of termination for rail traffic vehicles AC frequency conversion traction electric machine lead-out wire。
Background technology
At present, existing rail traffic vehicles AC frequency conversion traction electric machine, cause is in the direct rosette that cable accesses motor and internal body, as Figure 1-3, cable directly welds with motor lug, then one simple and easy box is installed, not only blow-by, install, overhaul, dismantle very inconvenient, and in motor operation course, produce high temperature and the long-time infringement by mechanical vibration and environment dust and infiltration, cause three phase mains cable jacket that insulation ag(e)ing, the phenomenon of the failure of damage or cracking occur, have a strong impact on vehicle safety to run, and maintenance difficulty。
Summary of the invention
This utility model is primarily directed to and solves the termination that existing rail traffic vehicles AC frequency conversion traction electric machine uses, when three phase mains cable introducing motor body being internal, easily there are the technical problems such as insulation ag(e)ing, damage or cracking in its three phase mains cable jacket。For solving this hidden danger, it is ensured that the operation safety of vehicle, the purpose of this utility model be to provide one be easily installed and safeguard, easy to use, trouble point is few and the termination for rail traffic vehicles AC frequency conversion traction electric machine lead-out wire of dependable performance。
This utility model solves its technical problem and be the technical scheme is that it includes terminal case body 1, terminal case lid 2, lead-in wire union joint 5, cable connector 6 and supporting seat 7；Lead-in wire union joint 5 is connected with motor U, V, W three-phase terminal, and cable connector 6 is connected with external cable；Terminal case lid 2 cooperation is arranged on terminal case body 1 top, and terminal case body 1, terminal case lid 2 adopt electrically insulating material to make；Sidepiece or the bottom of terminal case body 1 are provided with the mounting lug 9 for fixing terminal case body 1, the mounting seat 10 connected for union joint it is provided with in terminal case body 1, bottom terminal case body 1, it is provided with the lead-in wire for union joint 5 traverse that goes between connects through hole 12, be provided with the cable for cable connector 6 traverse in the side of terminal case body 1 and connect through hole；The mounting seat 10 that lead-in wire union joint 5, cable connector 6 are passed through in terminal case body 1 from the lead-in wire connection through hole of terminal case body 1 and cable connection through hole respectively adopts bolt or screw rod 8 to be mutually connected, and readily accessible replacing。
This utility model also can adopt silicone rubber seal to process by the faying face between terminal case body 1 and motor body, improves water resistance。
Also can on motor housing fixed supporting seat 7, cable connector 6 adopts nylon rope colligation to be fixed on supporting seat 7, plays not only fixing but also the effectiveness of antidetonation。
Described terminal case lid 2 adopts three bolt fit sealings to be arranged on terminal case body 1, two bolts of correspondence only need to be dismantled during dismounting, installation and repairing operation is carried out with regard to a rotatable arbitrary angle, without causing terminal case lid 2 to be lost or can place nowhere, alleviates operator's difficulty。
Described cable connector 6 adopts cable and removes copper pipe in insulating outer protective cover rear enclosure at cable end, copper pipe adopts cable pressing machine to carry out press-fiting so as to be connected with cable with the link of cable, and the copper pipe other end is pressed into flat-shaped, arranges installation through hole in center, end, and surface or through hole are carried out tin plating process。
Arranging sealed groove 14 on the composition surface of terminal case lid 2 with terminal case body 1, and install sealing ring 3 in sealed groove 14, to strengthen the water-proof function between terminal case body 1 and terminal case lid 2, described sealing ring 3 adopts electrically insulating material to make。
The cable of described terminal case body 1 connects through hole and adopts U-shaped through-hole structure; coordinate in the U-shaped through hole of terminal case body 1 and sealing member 4 is installed; both water resistance had been served; play structural waterproof advantage; bear again the pressure from terminal case body 1 and terminal case lid 2; with protection through the cable connector 6 in U-shaped through hole, described sealing member 4 adopts electrically insulating material to make。
Described sealing member 4 is the U-shaped structure that periphery matches with U-shaped through hole, and middle part is provided with the through hole matched with cable connector 6, and is provided with the groove matched with U-shaped through hole in sealing member 4 periphery, in order to better installation is fixed。
Described lead-in wire union joint 5 includes T2 circle copper rod and T2 copper bar, first is annealed processing to T2 circle copper rod and T2 copper bar；The outer end of T2 circle copper rod is compressing and enters tin plating process, the one end justifying copper rod compressing is welded with AC frequency conversion traction electric machine U, V, W three-phase link, upper for pad between two adjacent copper silver-bearing copper weld tabs is about 10mm, until the abundant solution pervasion of solder, to also polish flat by head weld, carry out cleaning wiping with dehydrated alcohol, then wrap up with 200 class F insulating material Fs at also head weld；Adopt silver-bearing copper to weld with T2 copper bar after the repressed molding of the other end, be provided with 2 through holes in T2 copper bar center, remove two ends oxide on surface and foreign body and keep any surface finish smooth, and wrapping up with 200 class F insulating material Fs；Weld suit silicone rubber sleeve at T2 circle copper rod and T2 copper bar。
The beneficial effects of the utility model are: it is by designing above corresponding special construction, in order to solve former three phase mains cable enter motor body internal time, because motor produces high temperature and for a long time by the infringement of mechanical vibration and environment dust and infiltration at running, three phase mains cable jacket is easily made the phenomenon of insulation ag(e)ing, damage or cracking to occur and dismount the technical problems such as difficult, inconvenient maintenance。Stable performance, it is simple and reliable for structure, be easily installed and safeguard, convenient operating maintenance, trouble point are few, can effectively guarantee that performance safety is reliable。It can be widely applied on the AC frequency conversion traction electric machine such as subway, light rail, it is possible to the wiring being widely used in various rail traffic vehicles AC frequency conversion traction electric machine improves。
Accompanying drawing explanation
Fig. 1 is the schematic appearance that existing rosette uses state；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is the annexation structural representation of existing rosette；
Fig. 4 is broken section structural representation of the present utility model；
Fig. 5 is the plan shape structure chart of Fig. 4；
Fig. 6 is the left view shape assumption diagram of Fig. 4；
Fig. 7 is the backsight shape assumption diagram of Fig. 4；
Fig. 8 is sectional structure schematic diagram of the present utility model；
Fig. 9 is the vertical view internal structure schematic diagram of terminal case body；
Figure 10 is the structural representation of terminal case lid；
Figure 11 is the structural representation of lead-in wire union joint；
Figure 12 is the structural representation of cable connector；
Figure 13 is the installation principle schematic in terminal case body；
Figure 14 is the structural representation of U-shaped sealing member；
Figure 15 is the schematic appearance that this utility model uses state。
In figure: 1-terminal case body, 2-terminal case lid, 3-sealing ring, 4-sealing member, 5-lead-in wire union joint, 6-cable connector, 7-supporting seat, 8-fix bolt or screw rod, 9-mounting lug, 10-mounting seat, 11-motor terminals, 12-lead-in wire connects through hole, 13-goes between union joint weld, 14-sealed groove；The original lead-in wire link of 101-Simple protecting box, 102-cable, 103-, 104-cable welding place。
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is described in further details。
Embodiment 1, consults Fig. 1 to Fig. 7。This utility model includes terminal case body 1, terminal case lid 2, lead-in wire union joint 5, cable connector 6 and supporting seat 7；Lead-in wire union joint 5 is connected with motor U, V, W three-phase terminal, and cable connector 6 is connected with external cable；Terminal case lid 2 cooperation is arranged on terminal case body 1 top, and terminal case body 1, terminal case lid 2 adopt electrically insulating material to make；Sidepiece or the bottom of terminal case body 1 are provided with the mounting lug 9 for fixing terminal case body 1, the mounting seat 10 connected for union joint it is provided with in terminal case body 1, bottom terminal case body 1, it is provided with the lead-in wire for union joint 5 traverse that goes between connects through hole 12, be provided with the cable for cable connector 6 traverse in the side of terminal case body 1 and connect through hole；The mounting seat 10 that lead-in wire union joint 5, cable connector 6 are passed through in terminal case body 1 from the lead-in wire connection through hole of terminal case body 1 and cable connection through hole respectively adopts bolt or screw rod 8 to be mutually connected, and readily accessible replacing。
For strengthening sealed waterproof effect, this utility model also can adopt silicone rubber seal to process by the faying face between terminal case body 1 and motor body, improves water resistance。
Embodiment 2, this utility model also can on motor housing fixed supporting seat 7, cable connector 6 adopts nylon rope colligation to be fixed on supporting seat 7, plays not only fixing but also the effectiveness of antidetonation。Consulting Fig. 4 to Figure 15, all the other are with embodiment 1。
Embodiment 3, described terminal case lid 2 can adopt three bolt fit sealings to be arranged on terminal case body 1, only need to dismantle two bolts of correspondence, so that it may rotate an arbitrary angle and carry out installation and repairing operation during dismounting, without causing terminal case lid 2 to be lost or can place nowhere, alleviate operator's difficulty。Consulting Fig. 4 to Figure 15, all the other are with above-mentioned any embodiment。
Embodiment 4, described cable connector 6 can adopt cable and remove copper pipe in insulating outer protective cover rear enclosure at cable end, copper pipe adopts cable pressing machine to carry out press-fiting so as to be connected with cable with the link of cable, and the copper pipe other end is pressed into flat-shaped, arranges installation through hole in center, end, and surface or through hole are carried out tin plating process。Consulting Fig. 4 to Figure 15, all the other are with above-mentioned any embodiment。
Embodiment 5, this utility model also can arrange sealed groove 14 on the composition surface of terminal case lid 2 with terminal case body 1, and sealed groove 14 is installed sealing ring 3, to strengthen the water-proof function between terminal case body 1 and terminal case lid 2, described sealing ring 3 adopts electrically insulating material to make。Consulting Fig. 4 to Figure 15, all the other are with above-mentioned any embodiment。
Embodiment 6; the cable of terminal case body 1 described in the utility model connects through hole can adopt U-shaped through-hole structure; coordinate in the U-shaped through hole of terminal case body 1 and sealing member 4 is installed; both water resistance had been served; play structural waterproof advantage; bearing again the pressure from terminal case body 1 and terminal case lid 2, with protection through the cable connector 6 in U-shaped through hole, described sealing member 4 adopts electrically insulating material to make。Described sealing member 4 is the U-shaped structure that periphery matches with U-shaped through hole, and middle part is provided with the through hole matched with cable connector 6, and is provided with the groove matched with U-shaped through hole in sealing member 4 periphery, in order to better installation is fixed。Consulting Fig. 4 to Figure 15, all the other are with above-mentioned any embodiment。
Embodiment 7, lead-in wire union joint 5 described in the utility model can adopt T2 circle copper rod and T2 copper bar to be made, and first is annealed processing to T2 circle copper rod and T2 copper bar；The outer end of T2 circle copper rod is compressing and enters tin plating process, the one end justifying copper rod compressing is welded with AC frequency conversion traction electric machine U, V, W three-phase link, upper for pad between two adjacent copper silver-bearing copper weld tabs is about 10mm, until the abundant solution pervasion of solder, to also polish flat by head weld, carry out cleaning wiping with dehydrated alcohol, then wrap up with 200 class F insulating material Fs at also head weld；Adopt silver-bearing copper to weld with T2 copper bar after the repressed molding of the other end, be provided with 2 through holes in T2 copper bar center, remove two ends oxide on surface and foreign body and keep any surface finish smooth, and wrapping up with 200 class F insulating material Fs；Weld suit silicone rubber sleeve at T2 circle copper rod and T2 copper bar。Consulting Fig. 4 to Figure 15, all the other are with above-mentioned any embodiment。
Embodiment 8, this utility model can also be used for existing connected mode is transformed。Concrete mode is as follows:
Described lead-in wire union joint 5；Transformation adopts T2 circle copper rod and T2 copper bar with drawing line, must annealed process before transformation；The through hole length of boring two is joined in T2 copper bar center, pitch-row, sectional area are transformed according to actual size；The T2 circle repressed molding in copper rod one end, after the repressed molding of the other end and carry out silver-bearing copper with T2 copper bar and weld, remove two ends oxide on surface and foreign body, any surface finish is smooth, and wrap up with 200 class F insulating material Fs, and at the weld set silicone rubber sleeve of T2 circle copper rod and T2 copper bar, copper bar one end must tin plating process；
The connection mode of described lead-in wire union joint 5 and former AC frequency conversion traction electric machine U, V, W three-phase connecting line；Adopt medium-frequency resistance welding machine that U, V, W three-phase connecting line and transformation are drawn the compressing one end of line circle copper rod to carry out and head welding, with asbestos or medical cotton, coil insulation is protected around during welding；Upper for pad between two adjacent copper silver-bearing copper weld tabs is about 10mm, until after the abundant solution pervasion of solder；Polish flat impulse-free robustness by also head weld, and sharp edge acute angle is blunt, and carries out cleaning wiping with dehydrated alcohol；And head weld wraps up with 200 class F insulating material Fs；
Described cable connector 6；Being transformed by former three phase mains cable, remove two ends insulating outer protective cover, put copper pipe respectively, press-fit with cable pressing machine, the through hole that two ends are bored in center, and tin plating process, by transforming convenient connection；
The reforming mode that described outlet connects: lead-in wire union joint 5, cable connector 6 interconnect in terminal case body 1, adopts strength bolts and check washer to be fastenedly connected；Highlight its steadiness and be easy to change the features such as maintenance。
Claims (9)
1. for a rail traffic vehicles termination for AC frequency conversion traction electric machine lead-out wire, it is characterized in that: it includes terminal case body (1), terminal case lid (2), lead-in wire union joint (5), cable connector (6) and supporting seat (7)；Lead-in wire union joint (5) is connected with motor U, V, W three-phase terminal, and cable connector (6) is connected with external cable；Terminal case lid (2) cooperation is arranged on terminal case body (1) top, and terminal case body (1), terminal case lid (2) adopt electrically insulating material to make；Sidepiece or the bottom of terminal case body (1) are provided with the mounting lug (9) for fixing terminal case body (1), the mounting seat (10) connected for union joint it is provided with in terminal case body (1), terminal case body (1) bottom is provided with the lead-in wire for the union joint that goes between (5) traverse and connects through hole (12), be provided with the cable for cable connector (6) traverse in the side of terminal case body (1) and connect through hole；Lead-in wire union joint (5), cable connector (6) are passed through the mounting seat (10) in terminal case body (1) from the lead-in wire of terminal case body (1) connection through hole and cable connection through hole respectively and adopt bolt or screw rod (8) to be mutually connected, and readily accessible replacing。
2. according to claim 1 for the rail traffic vehicles termination of AC frequency conversion traction electric machine lead-out wire, it is characterized in that: the faying face between terminal case body (1) and motor body adopts silicone rubber seal to process, and improves water resistance。
3. according to claim 1 for the rail traffic vehicles termination of AC frequency conversion traction electric machine lead-out wire, it is characterized in that: fixed supporting seat (7) on motor housing, cable connector (6) adopts nylon rope colligation to be fixed on supporting seat (7), plays not only fixing but also the effectiveness of antidetonation。
4. according to claim 1 for the rail traffic vehicles termination of AC frequency conversion traction electric machine lead-out wire, it is characterized in that: described terminal case lid (2) adopts three bolt fit sealings to be arranged on terminal case body (1), two bolts of correspondence only need to be dismantled during dismounting, installation and repairing operation is carried out with regard to a rotatable arbitrary angle, without causing that terminal case lid (2) is lost or can place nowhere, alleviate operator's difficulty。
5. according to claim 1 for the rail traffic vehicles termination of AC frequency conversion traction electric machine lead-out wire, it is characterized in that: described cable connector (6) adopts cable and removes copper pipe in insulating outer protective cover rear enclosure at cable end, copper pipe adopts cable pressing machine to carry out press-fiting so as to be connected with cable with the link of cable, and the copper pipe other end is pressed into flat-shaped, arranges installation through hole in center, end, and surface or through hole are carried out tin plating process。
6. according to claim 1 for the rail traffic vehicles termination of AC frequency conversion traction electric machine lead-out wire, it is characterized in that: on the composition surface of terminal case lid (2) Yu terminal case body (1), sealed groove (14) is set, and sealing ring (3) is installed in sealed groove (14), to strengthen the water-proof function between terminal case body (1) and terminal case lid (2), described sealing ring (3) adopts electrically insulating material to make。
7. according to claim 1 for the rail traffic vehicles termination of AC frequency conversion traction electric machine lead-out wire; it is characterized in that: the cable of described terminal case body (1) connects through hole and adopts U-shaped through-hole structure; coordinate in the U-shaped through hole of terminal case body (1) and sealing member (4) is installed; both water resistance had been served; play structural waterproof advantage; bear again the pressure from terminal case body (1) and terminal case lid (2); with protection through the cable connector (6) in U-shaped through hole, described sealing member (4) adopts electrically insulating material to make。
8. according to claim 7 for the rail traffic vehicles termination of AC frequency conversion traction electric machine lead-out wire, it is characterized in that: the U-shaped structure that described sealing member (4) matches for periphery and U-shaped through hole, middle part is provided with the through hole matched with cable connector (6), and the groove matched with U-shaped through hole it is provided with in sealing member (4) periphery, in order to better installation is fixed。
9. according to claim 1 for the rail traffic vehicles termination of AC frequency conversion traction electric machine lead-out wire, it is characterized in that: described lead-in wire union joint (5) includes T2 circle copper rod and T2 copper bar, first be annealed processing to T2 circle copper rod and T2 copper bar；The outer end of T2 circle copper rod is compressing and enters tin plating process, and the one end justifying copper rod compressing is welded with AC frequency conversion traction electric machine U, V, W three-phase link；Adopt silver-bearing copper to weld with T2 copper bar after the repressed molding of the other end, T2 copper bar center is provided with 2 through holes；Weld suit silicone rubber sleeve at T2 circle copper rod and T2 copper bar。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520880102.7U CN205336020U (en) | 2015-11-06 | 2015-11-06 | A termination that is used for track transportation vehicles with exchanging frequency conversion traction motor lead -out wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520880102.7U CN205336020U (en) | 2015-11-06 | 2015-11-06 | A termination that is used for track transportation vehicles with exchanging frequency conversion traction motor lead -out wire |
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| Publication Number | Publication Date |
|---|---|
| CN205336020U true CN205336020U (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520880102.7U Expired - Fee Related CN205336020U (en) | 2015-11-06 | 2015-11-06 | A termination that is used for track transportation vehicles with exchanging frequency conversion traction motor lead -out wire |
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| CN (1) | CN205336020U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305706A (en) * | 2015-11-06 | 2016-02-03 | 湖南中通电气股份有限公司 | Wiring improvement method and wiring apparatus for outgoing line of alternating current frequency conversion traction motor for track traffic vehicles |
| CN108696042A (en) * | 2018-08-01 | 2018-10-23 | 中车株洲电机有限公司 | A kind of motor and its traction electric machine terminal box |
| CN113178838A (en) * | 2021-05-08 | 2021-07-27 | 哈尔滨电机厂有限责任公司 | Water wheel generator case sleeve type full-insulation isolation protection device |
| WO2022171589A1 (en) * | 2021-02-10 | 2022-08-18 | Vitesco Technologies Germany Gmbh | Phase connection between an inverter or converter and an electric machine, method for establishing an electrical connection, electrical drive device |
| CN117543927A (en) * | 2023-12-18 | 2024-02-09 | 江苏微特利电机股份有限公司 | Permanent magnet synchronous motor for pure electric bus and application method thereof |
-
2015
- 2015-11-06 CN CN201520880102.7U patent/CN205336020U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305706A (en) * | 2015-11-06 | 2016-02-03 | 湖南中通电气股份有限公司 | Wiring improvement method and wiring apparatus for outgoing line of alternating current frequency conversion traction motor for track traffic vehicles |
| CN108696042A (en) * | 2018-08-01 | 2018-10-23 | 中车株洲电机有限公司 | A kind of motor and its traction electric machine terminal box |
| WO2022171589A1 (en) * | 2021-02-10 | 2022-08-18 | Vitesco Technologies Germany Gmbh | Phase connection between an inverter or converter and an electric machine, method for establishing an electrical connection, electrical drive device |
| CN113178838A (en) * | 2021-05-08 | 2021-07-27 | 哈尔滨电机厂有限责任公司 | Water wheel generator case sleeve type full-insulation isolation protection device |
| CN117543927A (en) * | 2023-12-18 | 2024-02-09 | 江苏微特利电机股份有限公司 | Permanent magnet synchronous motor for pure electric bus and application method thereof |
| CN117543927B (en) * | 2023-12-18 | 2024-05-07 | 江苏微特利电机股份有限公司 | Permanent magnet synchronous motor for pure electric bus and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160622 Termination date: 20191106 |