CN206412503U - Auxiliary connection device for the insulation pressure test of rail vehicle - Google Patents
Auxiliary connection device for the insulation pressure test of rail vehicle Download PDFInfo
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- CN206412503U CN206412503U CN201720049952.1U CN201720049952U CN206412503U CN 206412503 U CN206412503 U CN 206412503U CN 201720049952 U CN201720049952 U CN 201720049952U CN 206412503 U CN206412503 U CN 206412503U
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Abstract
It is safer the utility model discloses a kind of cable joint efficiency is higher, the auxiliary connection device of the cleaner and tidier insulation pressure test for being used for rail vehicle.It is pressed from both sides including first voltage（1）With second voltage folder（2）, described first voltage folder（1）With second voltage folder（2）Pass through iron wire（3）It is connected.Described first voltage folder（1）With second voltage folder（2）On be equipped with binding post（4）；Described iron wire（3）Two ends respectively with binding post（4）It is connected.Described first voltage folder（1）With second voltage folder（2）On also respectively by iron wire be connected with auxiliary connection press from both sides（5）.A diameter of 0.8 millimeter of described iron wire.
Description
Technical field
The utility model is related to the servicing unit used during a kind of rail vehicle testing experiment；Specifically refer to a kind of for rail
The auxiliary connection device of the insulation pressure test of road vehicle.
Background technology
With continuing to develop for society, increasing city starts to build the track traffic of oneself.For track traffic
On the vehicle such as subway, subway car also begin to large-scale batch production.In the production process of rail vehicle, there is very many
Cable need connection, to ensure vehicle normal operation, safe and stable, the reliability test of cable is essential.Due to
Need, by after thousands of electric wires one by one closed loop short circuit connection, testing experiment can be carried out, not only consumed in operating process
Time, and efficiency is low, the phenomenon for also leaking connection occurs.
In summary, it is badly in need of wanting a kind of cable joint efficiency higher at present, safer, the cleaner and tidier rail vehicle that is used for
The auxiliary connection device of insulation pressure test.
Utility model content
It is higher that the technical problems to be solved in the utility model is to provide a kind of cable joint efficiency, safer, cleaner and tidier
Auxiliary connection device for the insulation pressure test of rail vehicle.
In order to solve the above technical problems, the technical scheme that the utility model is provided is：A kind of insulation for rail vehicle
The auxiliary connection device of pressure test, it includes first voltage folder and second voltage folder, described first voltage folder and the second electricity
Pressure folder is connected by iron wire.
Preferably, being equipped with binding post on described first voltage folder and second voltage folder；The two ends of described iron wire
It is connected respectively with binding post.
Preferably, being also connected with auxiliary connection by iron wire respectively on described first voltage folder and second voltage folder
Folder.
Preferably, a diameter of 0.8 millimeter of described iron wire.
After said structure, the utility model has the advantages that：By this device, operator can be pressure-resistant
The cable head for needing to test is cut into 200mm sizes during process, normally according to crimping standard wire stripping, several threads are clipped in a clip
On, complete it is pressure-resistant after, the operator of door terminal block crimping can direct crimp type terminal, no longer as wire stripping crimping again again in the past.
It was line 2 trimmings of progress of terminal block on the door, 2 wire strippings, 1 loop wire in the past（Loop wire is wound by root）, the work of 8 doors after adding up
Industry at least needs 3 hours, now only needs and allows an operator for mechanism separated time to cut wire harness in place for 1 time, pressure-resistant preceding 1 stripping of insulating
Line, 1 loop wire（It is a branch of to clip together）.This device not only identifies the repeatability of operating procedure, and facilitates insulation
The loop wire step of pressure-resistant process, so as to greatly save the activity duration.Without ransacing again, some are more eliminated unnecessary next
Return and walk about, operate more comfortable, greatly improve operating efficiency, the bad operating risk of conductive cable contacts is reduced in advance.
In summary, the utility model is higher there is provided a kind of cable joint efficiency, safer, and cleaner and tidier is used for track
The auxiliary connection device of the insulation pressure test of vehicle.
Brief description of the drawings
Fig. 1 is that the structure in the auxiliary connection device embodiment one for the insulation pressure test for being used for rail vehicle in this reality is shown
It is intended to.
Fig. 2 is that the structure in the auxiliary connection device embodiment two for the insulation pressure test for being used for rail vehicle in this reality is shown
It is intended to.
Fig. 3 is that the structure in the auxiliary connection device embodiment three for the insulation pressure test for being used for rail vehicle in this reality is shown
It is intended to.
Fig. 4 is the signal under the auxiliary connection device use state for the insulation pressure test for being used for rail vehicle in this reality
Figure.
As shown in the figure：1st, first voltage is pressed from both sides, and 2, second voltage folder, 3, iron wire, 4, binding post, 5, auxiliary connection folder.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Specific embodiment one
With reference to accompanying drawing 1, a kind of auxiliary connection device of insulation pressure test for rail vehicle, it includes first voltage
Folder 1 and second voltage folder 2, described first voltage folder 1 are connected with second voltage folder 2 by iron wire 3.The two of described iron wire 3
End is directly wound on first voltage folder 1 and second voltage folder 2.
Specific embodiment two
With reference to accompanying drawing 2, a kind of auxiliary connection device of insulation pressure test for rail vehicle, it includes first voltage
Folder 1 and second voltage folder 2, described first voltage folder 1 are connected with second voltage folder 2 by iron wire 3.Described first voltage folder
1 and second voltage folder 2 on be equipped with binding post 4；The two ends of described iron wire 3 are connected with binding post 4 respectively.
Specific embodiment three
With reference to accompanying drawing 3, a kind of auxiliary connection device of insulation pressure test for rail vehicle, it includes first voltage
Folder 1 and second voltage folder 2, described first voltage folder 1 are connected with second voltage folder 2 by iron wire 3.Described first voltage folder
1 and second voltage folder 2 on be equipped with binding post 4；The two ends of described iron wire 3 are connected with binding post 4 respectively.The first described electricity
Auxiliary connection folder 5 is also connected with by iron wire respectively on pressure folder 1 and second voltage folder 2.
Further preferably, a diameter of 0.8 millimeter of the iron wire described in above three embodiment, is that to meet cable insulation resistance to
The standard of pressure property experiment.
Higher in the accuracy rate that experiment is for city railway vehicle door system terminal, high-voltage line, the used time is most short, so as to work out
The electric loop wire technological innovation technical know-how of arc, can avoid in vehicle driving occurring due to the peace that cable is caused by this experiment
Umbra rings.According to the stress levels of all electrical equipments, by the distribution at each position of vehicle according to ring of the respective grade with Ф 0.8
Line apparatus ring is together.Note by between each phase of DC24V, DC110V, AC220V, AC380V, DC750V, pantagraph current collector high-pressure conductive
Position is distinguished over the ground not to be allowed to contact with each other between loop wire, the distribution of different stress levels, and keeps certain insulation distance；Ring
During line, note checking all metal bare wires of vehicle, it is to avoid it is in contact with car body and neighbouring device；Or by metal bare wire with absolutely
The insulating materials such as edge adhesive tape are wrapped, during packaging, are noted also that and are packed respectively between each phase AC380V；Specific technology ginseng
Number is as follows：
1st, Insulation Test parameter
Because unwheeling split heads is earth-free, therefore it is the safety of guarantee test personnel.Need to be before insulation pressure test start, must
Car body wire must be connected and be grounded；By two output ends of megameter be connected on car body respectively and metal bare wire to be measured on（Survey
When measuring alternate resistance, it should which two output ends are connected between every two-phase of AC three-phase respectively, all insulaion resistances are measured
Resistance should meet claimed below：
(1) resistance that DC750V circuits/pantagraph current collector high-pressure conductive position is measured to car body >=5M Ω（1000V megameters；
(2) AC380V/AC220V circuits are to car body and the alternate resistance >=5M Ω measured（500V megohm meter；
(3) resistance that DC110V circuits are measured to car body >=1M Ω（500V megohm meter；
(4) resistance that DC24V circuits are measured to car body >=1M Ω（500V megohm meter；
(5) resistance that signal circuit is measured to car body >=1M Ω（500V megohm meter；
Note：Above insulating resistance value correspondence relative humidity is 85%；As relative humidity ＞ 85%, the resistance value can be less than normal.
2nd, pressure test parameter, after insulaion resistance detection meets to provisioning request, removes megameter line, will accordingly advise
The voltage output end of resistance to depressor of lattice is connected to circuit under test.Resistance to press operation should meet claimed below：
In DC750V circuits/apply AC3000V between pantagraph current collector high-pressure conductive position and car body, 50Hz voltage, the time is 1
Minute, it is desirable to nothing punctures flashover；
Between AC380V/AC220V circuits and car body and the alternate application AC1700V of AC380V circuits, 50Hz voltage,
Time is 1 minute, it is desirable to which nothing punctures flashover；
Apply AC1250V, 50Hz voltage between DC110V circuits and car body, the time is 1 minute, it is desirable to which nothing punctures flashover
Phenomenon；
Apply AC750V, 50Hz voltage between DC24V circuits and car body, the time is 1 minute, it is desirable to showed without flashover is punctured
As；
Maximum leakage current is 50 mA, it is allowed to overproof 5%, and overproof circuit will make a record.
Connection figure during specific experiment can be with further reference to the schematic diagram in accompanying drawing 4.
The utility model and embodiments thereof are described above, the description does not have restricted, shown in accompanying drawing
Also it is one of embodiment of the present utility model, actual structure is not limited thereto.If all in all this area is general
Logical technical staff is enlightened by it, in the case where not departing from the utility model creation objective, being designed without creative with being somebody's turn to do
The similar frame mode of technical scheme and embodiment, all should belong to protection domain of the present utility model.
Claims (4)
1. a kind of auxiliary connection device of insulation pressure test for rail vehicle, it is characterised in that：It includes first voltage
Folder（1）With second voltage folder（2）, described first voltage folder（1）With second voltage folder（2）Pass through iron wire（3）It is connected.
2. the auxiliary connection device of the insulation pressure test according to claim 1 for rail vehicle, it is characterised in that：
Described first voltage folder（1）With second voltage folder（2）On be equipped with binding post（4）；Described iron wire（3）Two ends respectively with
Binding post（4）It is connected.
3. the auxiliary connection device of the insulation pressure test according to claim 1 for rail vehicle, it is characterised in that：
Described first voltage folder（1）With second voltage folder（2）On also respectively by iron wire be connected with auxiliary connection press from both sides（5）.
4. the auxiliary connection device of the insulation pressure test according to claim 1 for rail vehicle, it is characterised in that：
A diameter of 0.8 millimeter of described iron wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720049952.1U CN206412503U (en) | 2017-01-16 | 2017-01-16 | Auxiliary connection device for the insulation pressure test of rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720049952.1U CN206412503U (en) | 2017-01-16 | 2017-01-16 | Auxiliary connection device for the insulation pressure test of rail vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206412503U true CN206412503U (en) | 2017-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720049952.1U Active CN206412503U (en) | 2017-01-16 | 2017-01-16 | Auxiliary connection device for the insulation pressure test of rail vehicle |
Country Status (1)
| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114062865A (en) * | 2021-11-12 | 2022-02-18 | 杭州中车车辆有限公司 | Urban rail vehicle electrical insulation test equipment and branching tool thereof |
-
2017
- 2017-01-16 CN CN201720049952.1U patent/CN206412503U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114062865A (en) * | 2021-11-12 | 2022-02-18 | 杭州中车车辆有限公司 | Urban rail vehicle electrical insulation test equipment and branching tool thereof |
| CN114062865B (en) * | 2021-11-12 | 2023-07-21 | 杭州中车车辆有限公司 | Urban rail vehicle electric insulation test equipment and branching tool thereof |
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