CN109263476A - Trolley coach power supply line protective device - Google Patents
Trolley coach power supply line protective device Download PDFInfo
- Publication number
- CN109263476A CN109263476A CN201810986086.8A CN201810986086A CN109263476A CN 109263476 A CN109263476 A CN 109263476A CN 201810986086 A CN201810986086 A CN 201810986086A CN 109263476 A CN109263476 A CN 109263476A
- Authority
- CN
- China
- Prior art keywords
- lantern ring
- circlip
- binding post
- conductive sheet
- power supply
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Fuses (AREA)
Abstract
The present invention relates to trolley coach accessories fields, and in particular to trolley coach power supply line protective device.Purpose is to provide a kind of trolley coach power supply line protective device；Technical solution is: including pedestal, fuse, pedestal is equipped with holding tank, two sides set mounting hole, and holding tank bottom both ends are respectively fixed with left binding post, right binding post；Necking down U-shaped card spring is fixed between left binding post, right binding post, circlip is connected by conductive sheet with left binding post；It further include left lantern ring, right lantern ring, left lantern ring, right lantern ring internal diameter are greater than fuse outer diameter, inner wall is evenly arranged with multiple fastening spring pieces, is respectively sleeved at outside the conductive ring at fuse both ends；Left lantern ring is provided with two pieces of fixinig plates in the word of falling V distribution, and fixinig plate is slidably matched with circlip inside lower end, and right lantern ring is connect by spring conductive sheet with right binding post；Elastic spacing piece is further fixed on the end that conductive sheet is connect with circlip, elastic spacing piece rolls oblique to conductive sheet.Have the characteristics that anti-seismic performance is good, high reliablity.
Description
Technical field
The present invention relates to trolley coach accessories fields, and in particular to trolley coach power supply line protective device.
Background technique
China railways car is all made of DC600V power supply system at present, is contacted by pantograph with power grid, by single-phase high voltage
Alternating current concentrates inversion through locomotive, rectifies, is filtered into DC600V and divides two-way to train power supply.And its power supply system mainly by
DC600V vehicle terminal adapter, DC600V/AC380V inverter, DC600V/DC110V power supply device, distribution box/cabinet, battery
The equipment such as group, DC600V power transmission and distribution wire and cable and power load composition.
Two-way DC600V main line wherein is divided into vehicle, two sides wire casing under vehicle is laid in respectively, passes through the company of vehicle terminal adapter
It connects, realizes full column perforation.2 road DC600V power distribution cables of each car input, coupling box leads to synthesis on vehicle under vehicle respectively
Control cabinet is used for the equipment such as inverter power supply device under vehicle and DC110V power supply device, electric heater load；DC600V main line
Short circuit and overload protection are realized that integrated control cabinet junior is negative by locomotive DC 600V column power supply source system (computer power protection system)
It carries and is completed with integrated control cabinet line protection switch, fuse or both.And the fuse that trolley coach uses is fast
Fast fuse is to be arranged to the narrow neck structure of circular hole by fine silver thin slice to be made into melt；When short trouble occurs, current density at narrow neck
Greatly, and then first it fuses, cutting circuit in turn protects power supply circuit.
But the ductility of fine silver is good, soft, is directly to connect solution with fixing seat when in use；And in use,
It is mostly directly connected using cable with fixing seat, the stress of installation is conducted to solution, influences the service life and sound of fuse
Answer characteristic, the service life is short, safety, reliability be not high.When furthermore fuse is mounted on trolley coach, there are mainly two types of installation sides
Formula: first is that, directly the both ends of fuse are fixed on insulating base, corresponding damping is had no, is generated in train operation
Vibration is directly passed to fuse, and solution also vibrates therewith, and the narrow neck size of solution is caused to change, so that point of fuse
Cutting capacity is unstable, and Electrical Safety cannot be guaranteed, or even jeopardizes traffic safety.Another kind is that fuse is mounted in shell,
Elastic conducting strip is set in the lower end of shell, upper end conductive sheet is connect by the fillet of screw with the fuse other end, and the fillet of screw is utilized
On porcelain knob screw, connect fuse and upper and lower conductive sheet by squeezing, although this mode can be inhaled in vertical direction
Vibration is received, horizontal direction is fixed by shell limit, cannot absorb the vibration of horizontal direction；If occurring porcelain during train operation
Knob loosens, and be easy to cause poor contact, conductive sheet fever, burned plastic housing, there are security risks.
In addition coupling box leads to the DC600V power distribution cable wiring line of integrated control cabinet on vehicle without short circuit and mistake under vehicle
Protection is carried, if because defective insulation can cause DC600V branch line overcurrent, short circuit or generate electric leakage between the positive negative wire of route,
It further will lead to route herein and fire occur, there are wiring fire safety evaluating hidden danger, it is therefore desirable in branch line installed protection device.
Summary of the invention
It is an object of that present invention to provide the trolley coach power supply lines of a kind of easy for installation, antidetonation, high reliablity to protect dress
It sets.
To achieve the above object, the technical scheme adopted by the invention is that: including pedestal, fuse, the pedestal in length
Cube shape, centre are provided with holding tank, two sides setting mounting hole, and holding tank bottom both ends are respectively fixed with left binding post, the right side
Binding post；Circlip is provided between the left binding post, right binding post, the circlip is connected by conductive sheet with left binding post,
The circlip is fixed on the slot bottom of holding tank in the U-shaped shape of necking down and bottom, and the circlip side wall is parallel with base side wall；Further include
Left lantern ring, right lantern ring, the left lantern ring, right lantern ring internal diameter be greater than fuse conducting circle outer diameter, inner wall be evenly arranged with it is more
A fastening spring piece is respectively sleeved at outside the conductive ring at fuse both ends；The left lantern ring is provided with two pieces in the word of falling V distribution
Fixinig plate, the fixinig plate are slidably matched with circlip inside lower end, and the right lantern ring is connected by spring conductive sheet and right binding post
It connects；Elastic spacing piece is further fixed on the end that the conductive sheet is connect with circlip, the elastic spacing piece is rolled to conductive sheet
Tiltedly.
Preferably, the conductive sheet is trapezoidal, middle part is provided with guide rod, and briquetting, the briquetting are arranged on the guide rod
Compressed spring is provided between conductive sheet；The briquetting is provided with two panels tabletting close to circlip side, and the tabletting is located at card
It is slidably matched between spring inner top side and left lantern ring and with circlip, the smallest distance is less than elastic spacing between two tabletting
The width of piece.
It preferably, further include expansion plate, the flexible board ends are fixedly connected with left lantern ring, right lantern ring respectively.
Preferably, the base top is provided with sliding slot, and the sliding slot is fitted with slippery cover plate, and the height of the slippery cover plate is high
In the height of expansion plate；The sliding slot side opposite with slippery cover plate bottom surface is provided with seal rubber, the pedestal both ends setting
There is threading hole, the threading hole is equipped with rubber sleeve, and the internal diameter of the rubber sleeve is slightly less than the line footpath of adaptation electric wire.
Preferably, ventilation hole is provided in the middle part of the slippery cover plate, the ventilation hole is covered using waterproof breathable membrane.
Preferably, base end, other end closing are run through in described sliding slot one end.
Preferably, the slippery cover plate is provided with handle close to one end of sliding slot closed end.
Preferably, the angle between the elastic spacing piece and conductive sheet is greater than 80 °.
Preferably, the seal rubber, rubber sleeve are made of hydro-expansive rubber.
The method have the benefit that: it is fixed with necking down U-shaped card spring between left binding post, right binding post, left lantern ring,
Right lantern ring inner wall is evenly arranged with multiple fastening spring pieces and is set in outside fuse, and right lantern ring passes through spring conductive sheet and the right side
Binding post connects, and is further fixed on elastic spacing piece on the end that conductive sheet is connect with circlip；Wherein fastening spring piece can not only
Fasten fuse, moreover it is possible to absorb the vibration of fuse radial direction, spring conductive sheet, elastic spacing piece play limiting fuses radial direction
Freedom degree, and radial vibration is absorbed, wherein spring conductive sheet can absorb the vibration of all directions, realize Omnibearing absorbing
Vibration, therefore anti seismic efficiency of the invention is good, high reliablity.
In addition, during installation, after wiring, one end of fuse need to be only inserted into right lantern ring, the other end is inserted into left set
Ring, and by left lantern ring indentation circlip it is inscribed can, install simple, convenient, fast.Furthermore when such as replacing fuse, release circlip,
Elastic spacing piece can be popped up fuse by the screen resilience of spring conductive sheet, easy maintenance, quick.Furthermore in pedestal
Sliding slot, slippery cover plate is arranged in top, and seal rubber is arranged in threading hole setting rubber sleeve, sliding slot, keeps the present invention with higher anti-
Grade is protected, can be directly mounted at outside cabinet, therefore installation site is flexible and changeable.
Therefore the present invention has the characteristics that simple, convenient and fast installation maintenance, antidetonation, high reliablity.
Detailed description of the invention
Fig. 1 is stereoscopic schematic diagram of the invention；
Fig. 2 is the component connection schematic diagram in accommodating chamber of the invention；
Fig. 3 is the schematic cross-sectional view of the invention without slippery cover plate；
Fig. 4 is the portion the A enlarged diagram of Fig. 3 of the present invention；
Fig. 5 is circlip schematic diagram of the invention；
Fig. 6 is left lantern ring schematic diagram of the invention；
Fig. 7 is right lantern ring schematic diagram of the invention；
Fig. 8 is briquetting schematic diagram of the invention；
Fig. 9 is circlip of the invention, left lantern ring mated condition schematic diagram.
Specific embodiment
In conjunction with shown in Fig. 1~9, a kind of trolley coach power supply line protective device, including pedestal 1, fuse 2, the bottom
Holding tank, two sides setting mounting hole 3 are provided among seat 1, holding tank bottom both ends are respectively fixed with left binding post 4, the right side connects
Terminal 5；Circlip 6 is provided between the left binding post 4, right binding post 5, the circlip 6 passes through conductive sheet 7 and left binding post 4
It is connected, the circlip 6 is fixed on the slot bottom of holding tank in the U-shaped shape of necking down and bottom, and 6 side wall of circlip and 1 side wall of pedestal are flat
Row；It further include left lantern ring 13, right lantern ring 14, the left lantern ring 13, the internal diameter of right lantern ring 14 are outer greater than 2 conductive ring of fuse
Diameter, inner wall are evenly arranged with multiple fastening spring pieces 15, are respectively sleeved at outside the conductive ring at 2 both ends of fuse；The left lantern ring
13 are provided with two pieces of fixinig plates 16 in the word of falling V distribution, and the fixinig plate is slidably matched with 6 inside lower end of circlip, the right set
Ring 14 is connect by spring conductive sheet 17 with right binding post 5；Bullet is further fixed on the end that the conductive sheet 7 is connect with circlip 6
Property limit film 23, the elastic spacing piece 23 roll tiltedly to conductive sheet 7.
Specifically, pedestal 1 is emptied to form upper end opening in cuboid, middle section, the receiving of remaining side-closed
There are lug in the two sides of the bottom of slot, pedestal 1, and the peace that mounting hole 3 facilitates trolley coach power supply line protective device is arranged on lug
Dress；Left binding post 4, right binding post 5 are for installing fixed cable, and the general binding post combined using screw and wire frame is convenient
The Fast Installation and disassembly of cable.The bottom of circlip 6 is bolted or is embedded in close to the position of left binding post 4,
Section is in the U-shaped of necking down, that is, 6 two sidewalls of circlip position on the upper side is fallen in, and bottomless V-shape is formed at top, under
Portion forms inverted bottomless V-shape；The side wall of circlip 6 is parallel with the side wall of pedestal 1 simultaneously, i.e. the U-shaped section of the necking of circlip 6
Parallel with the both ends of the surface of pedestal 1, when guaranteeing the indentation of left lantern ring 13, the axis of left lantern ring 13 is parallel with the side of pedestal 1.
Conductive sheet 7 is bolted on pedestal 1 or is directly embedded on pedestal 1.And the lower end of left lantern ring 13 is set
It is equipped with the fixinig plate 16 in the word of falling V distribution, can be fitted with 6 lower part of circlip；In addition left lantern ring 13, right lantern ring 14 are all made of metal
Be made, be set on the conductive ring at 2 both ends of fuse, and fastening spring piece 15 and setting in left lantern ring 13, right lantern ring 14
Inside, the surface contacted with 2 conductive ring of fuse are bonded with conductive ring, and the radial vibration of fuse 2 can be absorbed.Spring
17 one end of conductive sheet is fixed on right binding post 5, and the other end is fixedly connected with the lower end of right lantern ring 14 and elastic spacing piece 23 is matched
The axial vibration of fuse 2 can be absorbed by closing, therefore the vibration of 2 all directions of fuse can be absorbed, therefore of the invention anti-
Shake that effect is good, high reliablity.
When installation, bolt is first passed through across mounting hole 3, power supply line's protective device is fixed on coupling box or comprehensive control
In cabinet processed；Then cable is separately fixed at left binding post 4, on right binding post 5；Then right set is inserted into one end of fuse 2
It in ring 14, is fixed by fastening spring piece 15, then using 13 sets of the left lantern ring other ends in fuse 2, by its conduction
Circle is fixed in left lantern ring 13, wherein the middle line of two pieces of fixinig plates 16 on left lantern ring 13 is straight down, finally by left lantern ring 13
It is pressed into circlip 6, the installation of power supply line's protective device can be completed, therefore install simple and convenient, quick.It should know
It is that the installation direction of fuse 2 needs consistent with sense of current.
During pressing left lantern ring 13, first two side contacts of opening with 6 upper end of circlip in the end of fixinig plate 16, with
Left lantern ring 13 moves down, and the end of fixinig plate 16 and pushes the two sidewalls of circlip 6 open in the slide over side walls of circlip 6, until fixation
The bottleneck for reaching circlip 6 of piece 16.And work as the end of fixinig plate 16, after the necking down by circlip 6, the two sidewalls of circlip 6 are logical
It crosses elastic force to start to spring back, the outside of fixinig plate 16 starts contact resilient limit film 23, and elasticity of compression limit film 23 at the same time.
When in lower part of the fixinig plate 16 completely into 6 necking down of circlip, the two sides of circlip 6 are restored to original state；Left lantern ring 13 is unclamped, is utilized
Fixinig plate 16 is limited in it by the necking down of circlip 6, and in addition elastic spacing piece 23 and 17 limiting fuses of spring conductive sheet 2 are axial
Freedom degree, to realize the fixation of fuse 2.When replacing fuse 2, the necking down of circlip 6 need to only be expanded, be limited by compression elasticity
Bit slice 23 can be popped up left lantern ring by spring conductive sheet 17, to be replaced.Therefore, replacement fuse 2 is also comparable
It is quick and easy.
Further, the conductive sheet 7 is trapezoidal, middle part is provided with guide rod 8, and briquetting 9, institute are arranged on the guide rod 8
It states and is provided with compressed spring 10 between briquetting 9 and conductive sheet 7；The briquetting 9 is provided with two panels tabletting 11 close to 6 side of circlip,
The tabletting 11 is located between 6 inner top side of circlip and left lantern ring 13 and is slidably matched with circlip 6, between two tabletting 11
The smallest distance is less than the width of elastic spacing piece 23., it is understood that conductive sheet 7 is trapezoidal, short bottom edge length and a left side
4 cross-sectional width of binding post is identical and is fixedly connected, and long bottom edge length is identical as the cross-sectional width of circlip 6 and is fixedly connected, can
To reduce contact resistance.Guide rod 8 is fixed on the middle position of conductive sheet 7, and sliding block 9 is set on guide rod 8, and can be on guide rod 8
It moves up and down, one end of compressed spring 10 is fixed on briquetting 9, and the other end is fixed on conductive sheet 7, prevents the disengaging of briquetting 9 from leading
Bar 8；Tabletting 11 is fixed on briquetting 9, and tilt angle is consistent with the tilt angle of 6 upper end of circlip.It is minimum between two tablettings 11
Distance be less than the width of elastic spacing piece 23, can be past by elastic spacing piece 23 simultaneously so that briquetting 9 is during moving down
It pushes.
When needing replacing fuse 2, briquetting 9 is pressed downward to and is compressed compressed spring 10, tabletting 11 is moved down therewith by card
Spring 6 struts, so that fixinig plate 16 is slided in the inner sidewall of circlip 6, to strut the necking down of circlip 6, while also by elastic spacing
Piece 23 presses down, and removes the axial force that elastic spacing piece 23 acts on left lantern ring 13；The pretightning force of spring conductive sheet 17 at this time,
Right lantern ring 14 is sprung back, 2 automatic spring of fuse, i.e. replaceable fuse 2 are made, so that the replacement of fuse 2 is more easy.Separately
When the pressure acted on briquetting 9 outside disappears, briquetting 9 is resetted by the elastic force of compressed spring 10.
It further, further include expansion plate 12,12 both ends of expansion plate are fixedly connected with left lantern ring 13, right lantern ring 14.
Namely level board is fixed in the side of fuse 2；Wherein expansion plate 12 can be with free extension, when whole is stretched out, left set
Shortest distance is greater than the length of fuse 2 between ring 13, right lantern ring 14, to facilitate fuse 2 to be inserted into left lantern ring 13, right lantern ring
In 14；When it shrinks, shortest distance is long less than the shortest distance of 2 liang of conductive rings of fuse between left lantern ring 13, right lantern ring 14
Degree, to guarantee that the conductive ring of fuse 2 can complete to be inserted into left lantern ring 13, in right lantern ring 14, it is ensured that left lantern ring 13, right lantern ring 14 are right
The damping effect and reduction contact resistance of fuse 2.Expansion plate 12 can play certain support or so to fuse 2, make
When obtaining the vibration of 2 both ends different direction of fuse, fastening spring piece 15 and the not absorbent torque of spring conductive sheet 17 are passed to and are stretched
Contracting plate 12 more comprehensively protects fuse 2, improves the reliability of line protective devices.
Further, the top of the pedestal 1 is provided with sliding slot 18, and the sliding slot 18 is fitted with slippery cover plate 19, the cunning
The height of cover board 19 is higher than the height of expansion plate 12；The sliding slot 18 side opposite with 19 bottom surface of slippery cover plate is provided with sealing rubber
Glue 20,1 both ends of pedestal are provided with threading hole 24, and the threading hole 24 is equipped with rubber sleeve 22, the internal diameter of the rubber sleeve 22
It is slightly less than the line footpath of adaptation electric wire.Specifically, sliding slot 18 is set in the position of 1 holding tank of pedestal of 2 upper end of expansion plate, by suitable
The slippery cover plate 19 matched, which can close 1 holding tank of pedestal, to be come and fixes (such as screw, pin) by corresponding fixation member, is prevented
External dust enters in line protective devices；In addition seal rubber 20 can be close by the gap between slippery cover plate 19 and sliding slot 18
Envelope.And the internal diameter of rubber sleeve 22 is slightly less than the line footpath of used cable, therefore, cable passes through rubber sleeve 22 can be by threading hole
Gap seals between 24.Therefore entire line protective devices have good waterproof and dustproof performance, can prevent steam from entering guarantor
In protection unit, short circuit is carried out to fuse 2, causes the failure of cable protector；Therefore the present invention not only may be mounted at point
In line case, control cabinet, it can also be directly installed on outdoor, i.e., in the wire casing of train lower part, infield is flexible, installation, maintenance
It is convenient.
Further, ventilation hole 21 is provided in the middle part of the slippery cover plate 19, the ventilation hole 21 uses waterproof breathable membrane
Covering.The ventilation hole 21 to radiate for fuse 2 is namely provided at the top in the middle position of slippery cover plate 19, fuse 2, so
One layer of waterproof breathable membrane is sticked in the upper surface of slippery cover plate 19 afterwards, ventilation hole 21 is covered, so that line protective devices have
While waterproof and dustproof performance, moreover it is possible to which the heat generated when fuse 2 is powered distributes, and the movement for improving device is accurate
Property.Wherein waterproof ventilated membrane has been very mature product, and IP degree of protection is up to IP68 grades, such as PUW310G, PUW876 type
Number waterproof ventilated membrane.
Further, 1 end of pedestal, other end closing are run through in described 18 one end of sliding slot.Specifically, one end of sliding slot 18 is prolonged
The outer surface for reaching one end end of pedestal 1, one end of pedestal 1 is run through, and the other end is at the other end end that pedestal 1 is arranged in
In portion.It slide slippery cover plate 19 can only to a direction, therefore only retention mechanism need to be set in the end for passing through pedestal 1
Can be fixed by slippery cover plate 19, simplify installation, the replacement process of fuse 2, improves installation, replacement efficiency.
Further, the slippery cover plate 19 is provided with handle 25 close to one end of 18 closed end of sliding slot.That is, slip lid
After plate 19 is mounted in sliding slot 18, handle 25 is fixed in the end that sliding slot 18 slides by way of bolt or welding, one
Aspect can be prevented when sliding in and out slippery cover plate 19, and slippery cover plate 19 falls off out of sliding slot 18, on the other hand give sliding slippery cover plate
19 provide good impetus, the convenient slide to slippery cover plate 19.
Further, the angle between the elastic spacing piece 23 and conductive sheet 7 is greater than 80 °.It will be appreciated that elasticity limit
Angle between bit slice 23 and conductive sheet 7 will lead to left lantern ring 13 after being caught in circlip 6, to consolidating on circlip 6 if too small
The pressure of stator 16 to internal pressure is too small, so that the pretightning force of 2 axial direction of fuse is too small, causes axial damping effect bad.
Further, the seal rubber 20, rubber sleeve 22 are made of hydro-expansive rubber.Well known water-swellable rubber
Glue can go expansion when with moisture；Seal rubber 20, rubber sleeve 22 is made using hydro-expansive rubber, so that track is objective
Vehicle power supply line protective device, when encountering has water, seal rubber 20,22 self-expansion of rubber sleeve, by cable package
It is even closer, also increase holding power to slippery cover plate 19, the waterproof performance of intensifying device simultaneously, further anti-locking apparatus loses
Effect.
Claims (9)
1. a kind of trolley coach power supply line protective device, including pedestal (1), fuse (2), it is characterised in that: the pedestal
(1) cuboid, centre are provided with holding tank, two sides setting mounting hole (3), holding tank bottom both ends are respectively fixed with a left side
Binding post (4), right binding post (5)；
It is provided with circlip (6) between the left binding post (4), right binding post (5), the circlip (6) passes through conductive sheet (7) and left
Binding post (4) is connected, and the circlip (6) is fixed on the slot bottom of holding tank, circlip (6) side wall in the U-shaped shape of necking down and bottom
It is parallel with pedestal (1) side wall；
Further include left lantern ring (13), right lantern ring (14), the left lantern ring (13), right lantern ring (14) internal diameter be greater than fuse (2)
The conductive ring that outer diameter, the inner wall of conductive ring are evenly arranged with multiple fastening spring pieces (15), are respectively sleeved at fuse (2) both ends
Outside；
The left lantern ring (13) be provided in the word of falling V distribution two pieces of fixinig plates (16), the fixinig plate and circlip (6) inside under
End is slidably matched；The right lantern ring (14) is connect by spring conductive sheet (17) with right binding post (5)；
It is further fixed on elastic spacing piece (23) on the end that the conductive sheet (7) connect with circlip (6), the elastic spacing piece
(23) it is rolled to conductive sheet (7) oblique.
2. trolley coach power supply line according to claim 1 protective device, it is characterised in that: the conductive sheet (7) is in
Trapezoidal, middle part is provided with guide rod (8), is arranged with briquetting (9) on the guide rod (8), between the briquetting (9) and conductive sheet (7)
It is provided with compressed spring (10)；
The briquetting (9) is provided with two panels tabletting (11) close to circlip (6) side, and the tabletting (11) is located on the inside of circlip (6)
It is slidably matched between upper end and left lantern ring (13) and with circlip (6), the smallest distance is less than elasticity between two tabletting (11)
The width of limit film (23).
3. trolley coach power supply line according to claim 2 protective device, it is characterised in that: further include expansion plate
(12), expansion plate (12) both ends are fixedly connected with left lantern ring (13), right lantern ring (14) respectively.
4. trolley coach power supply line according to claim 3 protective device, it is characterised in that: at the top of the pedestal (1)
It is provided with sliding slot (18), the sliding slot (18) is fitted with slippery cover plate (19), and the height of the slippery cover plate (19) is higher than expansion plate
(12) height；
The sliding slot (18) side opposite with slippery cover plate (19) bottom surface is provided with seal rubber (20), pedestal (1) both ends
It is provided with threading hole (24), the threading hole (24) is equipped with rubber sleeve (22), and the internal diameter of the rubber sleeve (22) is slightly less than adaptation
The line footpath of electric wire.
5. trolley coach power supply line according to claim 4 protective device, it is characterised in that: in the slippery cover plate (19)
Portion is provided with ventilation hole (21), and the ventilation hole (21) is covered using waterproof breathable membrane.
6. trolley coach power supply line according to claim 5 protective device, it is characterised in that: described sliding slot (18) one end
Through pedestal (1) end, other end closing.
7. according to trolley coach power supply line protective device described in claim 4-6 any one, it is characterised in that: the cunning
Cover board (19) is provided with handle (25) close to one end of sliding slot (18) closed end.
8. trolley coach power supply line protective device described in -6 any one according to claim 1, it is characterised in that: the bullet
Property limit film (23) and conductive sheet (7) between angle be greater than 80 °.
9. trolley coach power supply line according to claim 7 protective device, it is characterised in that: the seal rubber
(20), rubber sleeve (22) is made of hydro-expansive rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986086.8A CN109263476B (en) | 2018-08-28 | 2018-08-28 | Power supply line protection device for railway passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986086.8A CN109263476B (en) | 2018-08-28 | 2018-08-28 | Power supply line protection device for railway passenger car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109263476A true CN109263476A (en) | 2019-01-25 |
| CN109263476B CN109263476B (en) | 2020-03-27 |
Family
ID=65154664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810986086.8A Active CN109263476B (en) | 2018-08-28 | 2018-08-28 | Power supply line protection device for railway passenger car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109263476B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110379687A (en) * | 2019-08-08 | 2019-10-25 | 黄山泰客轨道电气有限公司 | A kind of fuse mounting device |
| CN111630310A (en) * | 2019-09-23 | 2020-09-04 | 深圳市大疆创新科技有限公司 | Adjusting structure and adjusting method thereof, sealing element, coaxial line, holder and movable device |
| CN112319520A (en) * | 2020-10-16 | 2021-02-05 | 中车唐山机车车辆有限公司 | Rail vehicle circuit and rail vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110379687A (en) * | 2019-08-08 | 2019-10-25 | 黄山泰客轨道电气有限公司 | A kind of fuse mounting device |
| CN110379687B (en) * | 2019-08-08 | 2021-04-09 | 黄山泰客轨道电气有限公司 | Fuse installation device |
| CN111630310A (en) * | 2019-09-23 | 2020-09-04 | 深圳市大疆创新科技有限公司 | Adjusting structure and adjusting method thereof, sealing element, coaxial line, holder and movable device |
| US11384894B2 (en) | 2019-09-23 | 2022-07-12 | SZ DJI Technology Co., Ltd. | Adjustment structure, adjustment method therefor, sealing member, coaxial cable, gimbal, and mobile apparatus |
| CN112319520A (en) * | 2020-10-16 | 2021-02-05 | 中车唐山机车车辆有限公司 | Rail vehicle circuit and rail vehicle |
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| Publication number | Publication date |
|---|---|
| CN109263476B (en) | 2020-03-27 |
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