CN208723702U - A kind of railway feeder line overcurrent protective device - Google Patents
A kind of railway feeder line overcurrent protective device Download PDFInfo
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- CN208723702U CN208723702U CN201821525942.1U CN201821525942U CN208723702U CN 208723702 U CN208723702 U CN 208723702U CN 201821525942 U CN201821525942 U CN 201821525942U CN 208723702 U CN208723702 U CN 208723702U
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- torque motor
- contact block
- circuit protection
- cursor
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Abstract
The utility model provides a kind of railway feeder line overcurrent protective device, including determining torque motor, the body and mounting seat of relay, determine the lower surface that torque motor is fixed on mounting seat, the upper surface of mounting seat is arranged in body, internal body is provided with universal driving shaft, the lower end of universal driving shaft and the rotor for determining torque motor are connected together, the upper end of universal driving shaft is equipped with short-circuit protection, universal driving shaft is arranged will be in the torque transfer to short-circuit protection that determine torque motor, the phase line of short-circuit protection is adjusted using the rotation for determining torque motor itself, selective is short-circuit by given line, guarantee that All other routes operate normally, the center of body is arranged in short-circuit protection one end, the other end is corresponding to be rotated around body edge, short-circuit protection is arranged to rotate around body axis, cooperation is determined torque motor and is selected the route for needing short-circuit protection, body Edge is provided with controls electromagnet with short-circuit protection accordingly, and control magnet spool is connected on the protection circuit of engine body exterior.
Description
Technical field
The utility model relates to a kind of railway feeder line overcurrent protective devices.
Background technique
Relay is the electronic component that a kind of pair of route carries out open circuit or short-circuit protection, most in general application
Electronic component as open circuit protection is arranged at the power supply of route, and in the tractive feeder of railway, use open circuit protection pole
The impact that higher hamonic wave is easily caused to the contact net of railway, can also cause the contingencies such as breakdown voltage, cause railway when serious
Electricity shortage, relevant railway line of stopping transport, causes certain economic loss, so relay is arranged in the tractive feeder to railway
When protection, the relay of short circuit type is generallyd use, and in the relay protector of existing short-circuit class, in order to adapt to tractive feeder
Protection, generally require that multiple protective switchs are arranged, the volume in turn resulting in relay is excessive, waste excessive use space,
And in the maintenance process of such relay, the complexity of tractive feeder will affect the judgement of service personnel, while be maintenance
Personnel bring certain Danger Electric shock risk.
Utility model content
Technical problem to be solved by the utility model is: the relay that existing rail traction feeder line uses is excessively complicated,
Cause to bring big inconvenience when using waste and maintenance.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of railway feeder line overcurrent protective device,
Body and mounting seat including determining torque motor, relay, the lower surface determined torque motor and be fixed on mounting seat, the machine
The upper surface of mounting seat is arranged in body, and the rotor for determining torque motor runs through mounting seat, extends to internal body, the machine
Body is internally provided with universal driving shaft, and the lower end of the universal driving shaft and the rotor for determining torque motor are connected together, the upper end of the universal driving shaft
Short-circuit protection is installed, setting universal driving shaft is by the torque transfer to short-circuit protection for determining torque motor, using determining square electricity
The rotation of machine itself adjusts the phase line of short-circuit protection, selective by given line short circuit, guarantees that All other routes operate normally, institute
The center that body is arranged in short-circuit protection one end is stated, the other end is corresponding to be rotated around body edge, and short circuit is arranged and protects
Protection unit is rotated around body axis, and cooperation is determined torque motor and selected the route for needing short-circuit protection, and the body edge is set
It is equipped with and controls electromagnet accordingly with short-circuit protection, the control coil both ends in the control electromagnet pass through body table
Face is connected on the protection circuit of engine body exterior.
Further, the short-circuit protection includes signal receiver, short switch and cursor, and the signal receives
Device is socketed in the upper end for determining torque motor rotor, and signal receiver receives the signal of protection circuit, and the rotation fortune of torque motor is determined in control
Row, the cursor are fixedly connected on the side of signal receiver, and the lower surface of cursor, and control is arranged in the short switch
Electromagnet processed is corresponding.
Further, the short switch includes upper contact block and lower contact block, and the upper contact block, which is movably arranged on, to be turned
The lower surface of swing arm follows the rotation of cursor and moves, and the lower contact block is corresponding with control electromagnet, is mounted on body
Upper surface, corresponded to each other between the upper contact block and the lower contact block.
Further, the reset space of same axis, the reset are provided with inside the upper contact block and the cursor
It is provided with extension spring in space, the elastic potential energy of spring is offset after control electromagnet starting, and upper contact block magnetic force is attracted
To the surface of lower contact block, short-circuit protection is carried out to monitoring circuit, the upper end of the extension spring is fixedly attached to cursor
Lower surface, lower end are fixedly connected with upper contact block inner wall.
Further, the mounting seat is a kind of stair-stepping connection rotary table, and the lower surface of the connection rotary table is provided with
Fixing groove, the upper end for determining torque motor assign into fixing groove, and the slot bottom of the fixing groove is provided with relief hole, described to determine square electricity
The rotor of machine penetrates relief hole and assigns into universal driving shaft.
The utility model has the beneficial effects that targetedly selecting to need short-circuit route by determining torque motor, improve
The accuracy of relay protection route, relative to the existing relay applied to tractive feeder, which can protect simultaneously
More tractive feeders, at the same maintenance personal need not the short circuit line directly in contact-relay can control protection circuit
Operation improves safety when relay maintenance.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the schematic perspective view of the utility model protective device optimum embodiment；
Fig. 2 is the overlooking structure diagram of the utility model protective device optimum embodiment；
Fig. 3 is the main view section signal that E-E hatching is splitted along Fig. 2 of the utility model protective device optimum embodiment
Figure；
Fig. 4 is the left view semi-section structural schematic diagram of the utility model protective device optimum embodiment；
In figure: determining torque motor -1, body -2, mounting seat -3, universal driving shaft -4, short-circuit protection -5, control electromagnet -
6, signal receiver -51, short switch -52, cursor -53, upper contact block -521, lower contact block -522, reset space -523,
Extension spring -524, fixing groove -31, relief hole -32.
Specific embodiment
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " axis
To ", " radial direction ", the orientation or positional relationship of the instructions such as " circumferential direction " be to be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
As depicted in figs. 1 and 2, the utility model provides a kind of railway feeder line overcurrent protective device, including determines torque motor
1, the body 2 and mounting seat 3 of relay, the lower surface determined torque motor 1 and be fixed on mounting seat 3, the body 2 are arranged
In the upper surface of mounting seat 3, the rotor for determining torque motor 1 runs through mounting seat 3, extends to inside body 2, the body
2 are internally provided with universal driving shaft 4, and the lower end of the universal driving shaft 4 and the rotor for determining torque motor 1 are connected together, the universal driving shaft 4 it is upper
End is equipped with short-circuit protection 5, and setting universal driving shaft 4 is used in the torque transfer to short-circuit protection 5 for determining torque motor 1
The rotation for determining torque motor 1 itself adjusts the phase line of short-circuit protection, selective by given line short circuit, guarantees that All other routes are normal
The center of body 2 is arranged in operation, described 5 one end of short-circuit protection, and the other end is corresponding to be rotated around 2 edge of body,
Short-circuit protection 5 is arranged to rotate around 2 axis of body, cooperation determines 1 pair of torque motor and the route of short-circuit protection is needed to select, institute
2 edge of body is stated to be provided with and the corresponding control electromagnet 6 of short-circuit protection 5, the control coil controlled in electromagnet 6
Both ends pass through 2 surface of body, are connected on the protection circuit outside body 2.
By protecting the operation of circuit supervision route, when needing route to be protected to break down, the starting of torque motor 1 is determined,
By the operating of short-circuit protection 5 to specified 6 top of control electromagnet, protection circuit is connected, starting control electromagnet 6, control
Electromagnet 6 cooperates short-circuit protection 5 to run, by the line short of failure, to complete the short circuit to the route of monitoring
Protection.
Preferably, as shown in figure 3, the short-circuit protection 5 includes signal receiver 51, short switch 52 and cursor
53, the signal receiver 51 is socketed in the upper end for determining 1 rotor of torque motor, and signal receiver 51 receives the signal of protection circuit,
The rotation operation of torque motor 1 is determined in control, and the cursor 53 is fixedly connected on the side of signal receiver 51, the short switch
52 are arranged in the lower surface of cursor 53, and control electromagnet 6 is corresponding.Torque motor 1 is determined using the control of signal receiver 51
Operation disconnects the operation for determining torque motor 1, opens simultaneously after determining the drive cursor 53 of torque motor 1 to specified 52 top of short switch
Dynamic protection circuit starts disconnect switch using control electromagnet 6, by the route short-term of failure.
Preferably, as shown in figure 3, the short switch 52 include upper contact block 521 and lower contact block 522, it is described on connect
Contact block 521 is movably arranged on the lower surface of cursor 53, follows the rotation of cursor 53 and moves, lower 522 He of contact block
It is corresponding to control electromagnet 6, is mounted on the upper surface of body 2, phase between the upper contact block 521 and the lower contact block 522
It is mutually corresponding.Separating switch is formed using two pieces of above-mentioned contact blocks, the short-circuit facility of separating switch cooperation is connected in parallel to the route of monitoring
It is interior, when upper and lower contact block 522 is touched together, the short circuit of protection will be monitored.
Preferably, as shown in figure 3, being provided with the reset of same axis inside the upper contact block 521 and the cursor 53
Space 523, extension spring 524 is provided in the reset space 523, and control electromagnet 6 offsets the elastic potential of spring after starting
Can, and upper 521 magnetic force of contact block is attracted to the surface of lower contact block 522, short-circuit protection, the stretching are carried out to monitoring circuit
The upper end of spring 524 is fixedly attached to the lower surface of cursor 53, and lower end is fixedly connected with upper 521 inner wall of contact block.Use bullet
Spring controls two contact blocks and is contacting and separating, and provides reset power for the operation of short switch 52, after line fault excludes, benefit
Upper contact block 521 is pulled away from lower contact block 522 with the elastic potential energy of spring, cancels short-circuit protection, restores the operation of monitoring circuit.
Preferably, as shown in figure 4, the mounting seat 3 is a kind of stair-stepping connection rotary table, under the connection rotary table
Surface is provided with fixing groove 31, and the upper end for determining torque motor 1 assigns into fixing groove 31, and the slot bottom of the fixing groove 31, which is provided with, to be allowed
Position hole 32, the rotor for determining torque motor 1 penetrate relief hole 32 and assign into universal driving shaft 4.Mounting seat 3 be designed to it is round table-like,
When improving body 2 and running while stability, more running spaces are provided.
The application method of optimum embodiment is in above-described embodiment, by the upper contact block 521 in short-circuit protection 5 under
Contact block 522 is respectively connected to the route of monitoring protection, when the signal receiver 51 in short-circuit protection 5 receives fault-signal
When, torque motor 1 is determined in starting, determines torque motor 1 and universal driving shaft 4 is driven to rotate, and the cursor 53 in short-circuit protection 5 rotates with it,
Contact block 521 is moved to the top of specified lower contact block 522 in drive, and starting protection circuit fills control electromagnet 6
Magnetic, control electromagnet 6 magnetize lower contact block 522, contact block 522 under 521 moving contact of contact block in attraction, by monitoring protection
Route carries out short circuit, after troubleshooting, closes protection circuit, extension spring 524 drives upper contact block 521 to leave lower contact block
522, restore the operation of monitoring protection circuit.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (5)
1. a kind of railway feeder line overcurrent protective device, body (2) and mounting seat (3) including determining torque motor (1), relay,
The lower surface determined torque motor (1) and be fixed on mounting seat (3), upper table of body (2) setting in mounting seat (3)
Face, the rotor for determining torque motor (1) run through mounting seat (3), it is internal to extend to body (2), it is characterised in that: the body
(2) it is internally provided with universal driving shaft (4), the lower end of the universal driving shaft (4) and the rotor for determining torque motor (1) are connected together, described
The upper end of moving axis (4) is equipped with short-circuit protection (5), center of short-circuit protection (5) one end setting in body (2)
Position, the other end is corresponding to be rotated around body (2) edge, and body (2) edge is provided with corresponding with short-circuit protection (5)
Control electromagnet (6), it is described control electromagnet (6) in control coil both ends pass through body (2) surface, be connected to body
(2) on external protection circuit.
2. a kind of railway feeder line overcurrent protective device according to claim 1, it is characterised in that: the short-circuit protection
It (5) include signal receiver (51), short switch (52) and cursor (53), the signal receiver (51), which is socketed in, determines square electricity
The upper end of machine (1) rotor, the cursor (53) are fixedly connected on the side of signal receiver (51), the short switch (52)
Lower surface in cursor (53) is set, and control electromagnet (6) is corresponding.
3. a kind of railway feeder line overcurrent protective device according to claim 2, it is characterised in that: the short switch (52)
Including upper contact block (521) and lower contact block (522), the upper contact block (521) is movably arranged on the following table of cursor (53)
Face follows the rotation of cursor (53) and moves, and the lower contact block (522) and control electromagnet (6) are corresponding, is mounted on machine
The upper surface of body (2) corresponds to each other between the upper contact block (521) and the lower contact block (522).
4. a kind of railway feeder line overcurrent protective device according to claim 3, it is characterised in that: the upper contact block
(521) and inside the cursor (53) reset space (523) of same axis, setting in the reset space (523) are provided with
Have extension spring (524), the upper end of the extension spring (524) is fixedly attached to the lower surface of cursor (53), lower end and upper
Contact block (521) inner wall is fixedly connected.
5. a kind of railway feeder line overcurrent protective device according to claim 4, it is characterised in that: the mounting seat (3)
It is a kind of stair-stepping connection rotary table, the lower surface of the connection rotary table is provided with fixing groove (31), described to determine the upper of torque motor (1)
End assigns into fixing groove (31), and the slot bottom of the fixing groove (31) is provided with relief hole (32), the rotor for determining torque motor (1)
Relief hole (32) is penetrated to assign into universal driving shaft (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821525942.1U CN208723702U (en) | 2018-09-18 | 2018-09-18 | A kind of railway feeder line overcurrent protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821525942.1U CN208723702U (en) | 2018-09-18 | 2018-09-18 | A kind of railway feeder line overcurrent protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208723702U true CN208723702U (en) | 2019-04-09 |
Family
ID=65982259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821525942.1U Active CN208723702U (en) | 2018-09-18 | 2018-09-18 | A kind of railway feeder line overcurrent protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208723702U (en) |
-
2018
- 2018-09-18 CN CN201821525942.1U patent/CN208723702U/en active Active
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