CN206098760U - Rail vehicle earthing device - Google Patents
Rail vehicle earthing device Download PDFInfo
- Publication number
- CN206098760U CN206098760U CN201621063181.3U CN201621063181U CN206098760U CN 206098760 U CN206098760 U CN 206098760U CN 201621063181 U CN201621063181 U CN 201621063181U CN 206098760 U CN206098760 U CN 206098760U
- Authority
- CN
- China
- Prior art keywords
- contact
- grounding
- rail vehicle
- ground connection
- arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The utility model discloses a rail vehicle earthing device, including the ground connection arm, ground connection arm upper end is connected to the frame through high adjusting device on, ground connection underarm end is through connecting block and contact connection, and the contact below is provided with to be fixed at the epaxial conducting ring of car, and the contact contacts with the conducting ring when the ground connection arm highly descends, pass through cable junction between ground connection arm and the contact, the motor is vertical to be fixed on the frame, its output shaft below fixedly connected with lead screw, ground connection arm side is provided with the spout of perpendicular to frame, and it is through the spout and fix the slide bearing sliding connection on the frame, and ground connection arm upper portion is provided with the blind hole, is equipped with the internal thread that matches with the lead screw in the blind hole, also pass through cable junction between frame and the ground connection arm. The utility model discloses need not to change current bogie and wheel pair structure, do not influence the dynamic balance of axletree, can realize the reliable ground, effectively ensured the safety of staff and equipment to have wearing and tearing characteristics such as little, longe -lived.
Description
Technical field
This utility model is related to rail vehicle technical field, specially a kind of rail vehicle grounding device.
Background technology
With the development of track traffic, for line maintenance, safeguard that the equipment automaticity of rail vehicle is more next
Higher, equipment is in a large number power using electric power, and in real operating mode leakage current is inevitably generated, and is safeguard work
Personnel and the safety of equipment, need to be with grounding device by the chassis ground of railway maintenance vehicle, and grounding device is also the wheel of bogie
Protection simple, effectively, economic is provided to bearing, prevents operating current or system failure electric current and lightning current from passing through axle
The damage of the bearing manufactured, while avoiding wheel set bearing that galvanic corrosion occurs and locomotive safety running is affected.
Normally grounded device is grounded installed in bogie survey portion spindle nose, and the electric current on car body is passed through grounding device by earth lead
Axletree is transferred directly to, then earth-return circuit is formed by wheel and rail.Line maintenance, rail vehicle is safeguarded, generally using general
Logical sizing bogie, when spindle nose ground connection is installed, if using mechanical erection, the factors such as processing and position are limited to, if adopted
May then cause bearing block to deform with welding, affect bearing life, or even produce potential safety hazard.
Utility model content
For the problems referred to above, the purpose of this utility model is that offer is a kind of can realize safe and reliable ground connection, and nothing
Existing bogie need to be changed and take turns right, without the need for carrying out any machining or welding, not affect the dynamically balanced railcar of axletree
Grounding device, and with wear and tear little, life-span length the features such as.Technical scheme is as follows：
A kind of rail vehicle grounding device, it is characterised in that including grounding arm, grounding arm upper end passes through arrangement for adjusting height
It is connected on vehicle frame, grounding arm lower end is connected by contiguous block with contact, contact lower section is provided with the conduction being fixed on axletree
Ring, contact is contacted when grounding arm highly declines with conducting ring；Pass through cable connection between grounding arm and contact.
Further, the arrangement for adjusting height includes motor；Motor is vertically fixed on vehicle frame, and its output shaft lower section is solid
Surely it is connected with leading screw；The grounding arm side is provided perpendicular to the chute of vehicle frame, and it passes through chute and is fixed on vehicle frame
Sliding bearing is slidably connected, and grounding arm top is provided with blind hole, and the female thread matched with leading screw is provided with blind hole；Vehicle frame and ground connection
Also by cable connection between arm.
Further, the latch for preventing grounding arm from rotating is additionally provided between the sliding bearing and chute.
Further, the arrangement for adjusting height includes adjusting pad, and the grounding arm top is provided with top board, and adjusting pad sets
Put between top board and vehicle frame.
Further, the contact is the contact pair being made up of two contacts, and two contacts are respectively by bearing pin and company
Connect block to be hinged, its contact surface contacts respectively the both sides of conducting ring.
Further, also connected by adjusting screw between two contact, adjusting screw is provided with back-moving spring.
Further, the contact is to for multipair.
Further, the conducting ring is fixed on axletree by bearing shell.
The beneficial effects of the utility model are：Rail vehicle grounding device of the present utility model is arranged on car of the wheel between
On axle and vehicle frame, without the need for change existing bogie and wheel to structure, without the need for carrying out any machining or welding, do not affect car
The dynamic balancing of axle, you can realize reliable ground, the effective guarantee safety of staff and equipment, and with the little, life-span of wearing and tearing
Long the features such as.
Description of the drawings
Fig. 1 is the schematic view of the mounting position of this utility model rail vehicle grounding device.
Fig. 2 is the structural representation of this utility model rail vehicle grounding device first embodiment.
Fig. 3 is the side view of this utility model rail vehicle grounding device first embodiment.
Fig. 4 is the structural representation of the second embodiment of this utility model rail vehicle grounding device.In figure：1- vehicle frames；
2- wheels are right；3- axletrees；4- rail；5- grounding device；6- bearing shells；7- conducting rings；8- contacts；9- adjusting screws；10- tenses bullet
Spring；11- bearing pins；12- contiguous blocks；14- cables；16- grounding arms；17- chutes；18- latch；19- sliding bearings；20- leading screws；
Cover on 21-；22- motors；26- adjusting pads.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described further with specific embodiment.As shown in figure 1, a kind of railcar
Grounding device, including grounding arm 16, the upper end of grounding arm 16 is connected on vehicle frame 1 by arrangement for adjusting height, under grounding arm 16
End is connected by contiguous block 12 with contact 8, and the lower section of contact 8 is provided with the conducting ring 7 being fixed on axletree 3, and contact 8 is in grounding arm
16 height are contacted when declining with conducting ring 7；Connected by cable 14 between grounding arm 16 and contact 8.
The grounding device 5 can coordinate the job state of vehicle operation device to use, such as, when low speed operation, use
Grounding device 5, regulated ground arm 16 declines, and contact 8 is contacted with conducting ring 7, forms grounded circuit.Work as high-speed cruising state
When, regulated ground arm 16 rises, and disconnects grounding device, can so greatly reduce the abrasion of contact and conducting ring, improves ground connection
The life-span of device.
As shown in Fig. 2 the arrangement for adjusting height in first embodiment includes motor 22；Motor 22 is vertically fixed on vehicle frame 1
On, its rotating shaft lower section is fixedly connected with leading screw 20；The side of the grounding arm 16 is provided perpendicular to the chute 17 of vehicle frame 1, and it leads to
Cross chute 17 and be slidably connected with the sliding bearing 19 being fixed on vehicle frame 1, the top of grounding arm 16 is provided with blind hole, is provided with blind hole
The female thread matched with leading screw 20；Connect also by cable 14 between vehicle frame 1 and grounding arm 16.
Leading screw is formed between grounding arm 16 and leading screw 20 --- nut rectilinear movement is secondary, the output shaft of leading screw 20 and motor 22
It is fixedly connected, motor 22 is fixedly mounted on lid 21, upper lid 21 is fixedly connected on vehicle frame 1, grounding arm 16 and sliding bearing
19 connections, sliding bearing 19 is fixed on vehicle frame 1, and motor 22 can pass through leading screw 20 --- nut and grounding arm 16, contiguous block
The band moving contacts 8 such as 12 are moved up and down.Specially：In low speed job state, leading screw 20 is driven to rotate by motor 22 so that nut
Move downward so that contact 8 is contacted with conducting ring 7, vehicle frame is in ground state；When high-speed cruising state need not be grounded, pass through
Motor drives leading screw 20 to rotate so that nut is moved upwards so that contact 8 is not contacted with conducting ring 7.
The latch 18 for preventing grounding arm 16 from rotating is additionally provided between the sliding bearing 19 and chute 17 of the present embodiment.
As shown in figure 3, on the basis of above-described embodiment, the contact 8 of this utility model embodiment is by two contact structures
Into contact pair, two contacts are hinged respectively by bearing pin 11 with contiguous block 12, and its contact surface contacts respectively the two of conducting ring 7
Side.When wheel laterally shakes relatively to 2 relative frames 1, contact is compensated by being rotated by bearing pin 11.
Also connected by adjusting screw 9 between two contacts, adjusting screw 9 is provided with back-moving spring 10.Back-moving spring 10 is used for
Contact force when adjustment contact 8 is contacted with conducting ring 7, and to the automatic compensation of contact abrasion.In addition, contact to can for multipair,
Because the reliability of ground connection is improved to structure using plural contact.
Wherein contact 8 pairs forms bell shape with the contact portion of conducting ring 7, and contact is touched to move up and down be easy to during formula
8 pairs contact with the contacts side surfaces of conducting ring 7 or disconnection.When contact 8 is moved downward, horn mouth opens, contact conducting ring side
Contact.By taking first embodiment as an example, now vehicle frame 1 passes through cable, grounding arm 16, cable, contact 8, conducting ring 7, axletree 3, car
Wheel, rail 4 are electrically connected, and form grounded circuit.When contact is moved upwards, horn mouth opens, and contact 8 disconnects with conducting ring 7
Contact, contact and conducting ring are without abrasion.Change as consumable accessory when contact or conducting ring wear and tear.
The conducting ring 7 is fixed on axletree 3 by bearing shell 6.Bearing shell 6 is a kind of subdivision structure, two panels bearing shell（Or it is many
Piece）It is mounted on an axle and defines the dynamically balanced symmetrical structure that can realize of one, and forms a complete conducting ring, it is fixed
On axle.
As shown in figure 4, the arrangement for adjusting height in second embodiment includes adjusting pad 26, the top of the grounding arm 16 is provided with
Top board, adjusting pad 26 is arranged between top board and vehicle frame 1, and by adjusting pad 26 height of grounding arm 16 is adjusted, and is connect simplifying
The structure of ground device.
Claims (8)
1. a kind of rail vehicle grounding device, it is characterised in that including grounding arm（16）, grounding arm（16）Adjusted by height upper end
Regulating device is connected to vehicle frame（1）On, grounding arm（16）Lower end passes through contiguous block（12）With contact（8）Connection, contact（8）Lower section sets
It is equipped with and is fixed on axletree（3）On conducting ring（7）, contact（8）In grounding arm（16）Highly decline when and conducting ring（7）Contact；
Grounding arm（16）With contact（8）Between pass through cable（14）Connection.
2. rail vehicle grounding device according to claim 1, it is characterised in that the arrangement for adjusting height includes motor
（22）；Motor（22）Vertically it is fixed on vehicle frame（1）On, its output shaft lower section is fixedly connected with leading screw（20）；The grounding arm
（16）Side is provided perpendicular to vehicle frame（1）Chute（17）, it passes through chute（17）Be fixed on vehicle frame（1）On sliding axle
Hold（19）It is slidably connected, grounding arm（16）Top is provided with blind hole, is provided with blind hole and leading screw（20）The female thread of matching；Vehicle frame
（1）With grounding arm（16）Between also by cable（14）Connection.
3. rail vehicle grounding device according to claim 2, it is characterised in that the sliding bearing（19）And chute
（17）Between be additionally provided with prevention grounding arm（16）The latch of rotation（18）.
4. rail vehicle grounding device according to claim 1, it is characterised in that the arrangement for adjusting height includes adjustment
Pad（26）, the grounding arm（16）Top is provided with top board, adjusting pad（26）It is arranged on top board and vehicle frame（1）Between.
5. the rail vehicle grounding device according to claim 1, it is characterised in that the contact（8）It is to be touched by two
The contact pair that piece is constituted, two contacts pass through respectively bearing pin（11）With contiguous block（12）It is hinged, its contact surface contacts respectively conduction
Ring（7）Both sides.
6. rail vehicle grounding device according to claim 5, it is characterised in that also by adjusting spiral shell between two contact
Nail（9）Connection, adjusting screw（9）It is provided with back-moving spring（10）.
7. rail vehicle grounding device according to claim 5, it is characterised in that the contact is to for multipair.
8. the rail vehicle grounding device according to any one of claim 1, it is characterised in that the conducting ring（7）Pass through
Bearing shell（6）It is fixed on axletree（3）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621063181.3U CN206098760U (en) | 2016-09-19 | 2016-09-19 | Rail vehicle earthing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621063181.3U CN206098760U (en) | 2016-09-19 | 2016-09-19 | Rail vehicle earthing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206098760U true CN206098760U (en) | 2017-04-12 |
Family
ID=58479172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621063181.3U Withdrawn - After Issue CN206098760U (en) | 2016-09-19 | 2016-09-19 | Rail vehicle earthing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206098760U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329163A (en) * | 2016-09-19 | 2017-01-11 | 西南交通大学 | Railway vehicle grounding device |
| CN107599936A (en) * | 2017-08-10 | 2018-01-19 | 广州汇安科技有限公司 | A kind of vehicle ground apparatus and system |
-
2016
- 2016-09-19 CN CN201621063181.3U patent/CN206098760U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329163A (en) * | 2016-09-19 | 2017-01-11 | 西南交通大学 | Railway vehicle grounding device |
| CN106329163B (en) * | 2016-09-19 | 2018-06-19 | 西南交通大学 | A kind of rail vehicle earthing or grounding means |
| CN107599936A (en) * | 2017-08-10 | 2018-01-19 | 广州汇安科技有限公司 | A kind of vehicle ground apparatus and system |
| CN107599936B (en) * | 2017-08-10 | 2019-02-15 | 广州汇安科技有限公司 | A kind of vehicle ground apparatus and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170412 Effective date of abandoning: 20180619 |
|
| AV01 | Patent right actively abandoned |