CN109509684A - A kind of numerically-controlled machine tool breaker - Google Patents
A kind of numerically-controlled machine tool breaker Download PDFInfo
- Publication number
- CN109509684A CN109509684A CN201710834321.5A CN201710834321A CN109509684A CN 109509684 A CN109509684 A CN 109509684A CN 201710834321 A CN201710834321 A CN 201710834321A CN 109509684 A CN109509684 A CN 109509684A
- Authority
- CN
- China
- Prior art keywords
- drive rod
- operating mechanism
- chassis vehicle
- pole
- numerically
- 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- Withdrawn
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
Abstract
The present invention provides a kind of numerically-controlled machine tool breakers, including cabinet, chassis vehicle, operating mechanism and buckle releaser；Cabinet, operating mechanism and chassis vehicle are fixedly mounted in shell, handcart handle hole is provided on chassis vehicle, pole guide rail is horizontally arranged on chassis vehicle, three-phase pole is in longitudinal word order setting on a chassis and can slide along pole guide rail, it is located at below three-phase pole on chassis vehicle and is horizontally arranged with drive rod, drive rod is arranged perpendicular to pole guide rail, drive rod connect with operating mechanism and is moved by the length direction of operating mechanism drives edge drive rod, connecting lever is connected between drive rod and three-phase pole, drive rod drives three-phase pole to move up and down by connecting lever to carry out combined floodgate or separating brake.Breaker of the invention has the function of overload, short circuit and low-voltage protection, there is the ability of protection circuit and power supply.
Description
Technical field
The present invention relates to numerical control device fields, and in particular to a kind of numerically-controlled machine tool breaker.
Background technique
Breaker is the electric current referred to close, carry and cut-off under normal loop condition and can close, when defined
Interior carrying and the switching device for cut-offfing the electric current under abnormal loop condition.Breaker is divided into high-voltage circuitbreaker by its use scope
With low-voltage circuit breaker, high-low pressure identification of boundaries is relatively fuzzyyer, and 3kV or more is generally known as High-Voltage Electrical Appliances.
Breaker can be used to distribute electric energy, infrequently start asynchronous motor, carry out power circuit and motor etc.
Protection, when serious overload or short circuit and the failures such as under-voltage occurs in they can automatic shutdown circuit, function is equivalent to molten
Disconnected combination device formula switch and cross underheat relay etc..And change components are not needed generally after disjunction fault current.Mesh
Before, it has had been widely used.
Electricity generation, conveying, in use, distribution is an extremely important link.Distribution system includes transformer and each
Kind high and low voltage electrical equipment equipment, low-voltage circuit breaker are then a kind of using the electric appliance having a large capacity and a wide range.
The breaker utilization rate of raw materials of the prior art is low.
Summary of the invention
Goal of the invention: in view of the above problems, the present invention provides a kind of numerically-controlled machine tool breakers.
Technical solution:
A kind of numerically-controlled machine tool breaker, including cabinet, chassis vehicle, operating mechanism and buckle releaser；Cabinet, operating mechanism and chassis
Vehicle is fixedly mounted in shell, and handcart handle hole is provided on chassis vehicle, and pole guide rail, three-phase pole are horizontally arranged on chassis vehicle
Column is in longitudinal word order setting on a chassis and can slide along pole guide rail, horizontal positioned at the lower section of three-phase pole on chassis vehicle
To drive rod is provided with, drive rod is arranged perpendicular to pole guide rail, and drive rod connect with operating mechanism and driven by operating mechanism
Length direction along drive rod moves, and connecting lever is connected between drive rod and three-phase pole, and drive rod drives three-phase by connecting lever
Pole is moved up and down to carry out combined floodgate or separating brake.
The buckle releaser is overcurrent trip, under-voltage release, thermal trip, shunt release or automatically jumping
Device.
The material of the buckle releaser is electromagnet.
The breaker closing or breaking operation are manually or electrically carried out by operating mechanism.
In the low-voltage circuit breaker due to overload and after disjunction, after waiting 2min~3min thermal trip to reset again
Operation is connected.
The utility model has the advantages that breaker of the invention has the function of overload, short circuit and low-voltage protection, there are protection circuit and power supply
Ability.
Specific embodiment
The present invention will be further explained below.
Breaker of the invention is mainly made of cabinet, chassis vehicle, operating mechanism and various buckle releasers, and buckle releaser includes again
Overcurrent trip, under-voltage release, thermal trip, shunt release and automatically jumping device.Cabinet, operating mechanism and chassis
Vehicle is fixedly mounted in shell, and handcart handle hole is provided on chassis vehicle, and pole guide rail, three-phase pole are horizontally arranged on chassis vehicle
Column is in longitudinal word order setting on a chassis and can slide along pole guide rail, horizontal positioned at the lower section of three-phase pole on chassis vehicle
To drive rod is provided with, drive rod is arranged perpendicular to pole guide rail, and drive rod connect with operating mechanism and driven by operating mechanism
Length direction along drive rod moves, and connecting lever is connected between drive rod and three-phase pole, and drive rod drives three-phase by connecting lever
Pole is moved up and down to carry out combined floodgate or separating brake.
Breaker closing or breaking operation are manually or electrically carried out by operating mechanism, and free tripping mechanism will after combined floodgate
Contact is locked on closing position, and contact closure is made.When circuit malfunctions, free tripping mechanism is made by respective buckle releaser
Movement, to realize the automatic disjunction to shield.
Overcurrent release, device for under-voltage releasing equipment and thermal trip essence are all electromagnet.Under normal circumstances, overcurrent release
Armature discharge, circuit is Yi Dan occurring heavy overload or when short trouble, the coil being connected in series with main circuit will be generated
Stronger electromagnetic attraction attracts armature to disconnect main contacts so that lever be pushed to open latch hook.The working condition of no-voltage release
On the contrary, armature, which is sucked, just does not influence the closure of main contacts when voltage is normal, when voltage degradation or power-off,
Electromagnetic attraction is insufficient or disappears, and armature is released and pushes lever, disconnects main contacts.Thermal trip is occurred slightly in circuit
When overload, overload current acts buckle releaser immediately, but thermal element can be made to generate certain heat, promotes bimetal leaf heated
It is bent upwards, when sustained overload, bimetal leaf promotion lever makes to have contact with disengages with latch hook, and main contacts is separated.
Note that low-voltage circuit breaker due to overload and after disjunction, should wait the reset of 2min~3min thermal trip could again
Operation is connected.Shunt release can be used as far distance control breaker disjunction and be used.
Working principle of the present invention is as follows:
When short circuit, the magnetic field of (general 10 to 12 times) of high current generations overcomes reaction spring, and buckle releaser pull operation mechanism is dynamic
Make, switchs instantaneous tripping.When the load, electric current becomes larger, calorific value aggravation, and pushing mechanism is dynamic to a certain extent for bi-metal plate deformed
Make (electric current is bigger, and actuation time is shorter).
The effect of breaker is turned off and connects load circuit and disengagement failure circuit, prevents fault spread, guarantees peace
Row for the national games.And high-voltage circuitbreaker will cut-off 1500V, electric current is the electric arc of 1500-2000A, these electric arcs can be elongated to 2m still
It burns away and does not extinguish.Therefore arc extinguishing is that high-voltage circuitbreaker must solve the problems, such as.
The mainly cooling electric arc of the principle of arc blow-out blow-out weakens heat and dissociates, and on the other hand passes through arc blow-out elongating arc reinforcing strip
The compound and diffusion of charged particle, while the charged particle in arc gap is dispelled, restore the dielectric strength of medium rapidly.
Low-voltage circuit breaker is also referred to as automatic air-break switch, can be used to connect and disjunction load circuit, it is also possible to control not
The motor of Fraquent start.Its function is equivalent to knife switch, overcurrent relay, no-voltage relay, electrothermal relay and electric leakage
The function summation of the electrical appliance parts such as protector or whole is a kind of important protection electric appliance in low-voltage network.
Low-voltage circuit breaker have multi-protective function (overload, short circuit, low-voltage protection etc.), action value is adjustable, disjunction energy
The advantages that power is high, easy to operate, safe, so being widely used.Structure and working principle low-voltage circuit breaker are by operating mechanism, touching
The composition such as point, protective device (various buckle releasers), arc quenching system.
The main contacts of low-voltage circuit breaker is by manual operation or electric switch-on.After main contacts closure, free tripping mechanism
By main contacts lock on closing position.The coil of overcurrent trip and the thermal element of thermal trip are connected with main circuit, owe electricity
Press the coil and power sources in parallel of buckle releaser.When short circuit or heavy overload occur for circuit, the armature of overcurrent trip is attracted, and is made
Free tripping mechanism movement, main contacts disconnect main circuit.When circuit overloads, the thermal element fever of thermal trip makes bimetal leaf
Upper bending pushes free tripping mechanism movement.When circuit under-voltage, the armature of under-voltage release discharges.Also make freely to take off
Buckle mechanism movement.Shunt release is then used as far distance control to use, in normal work, what coil was powered off, need away from
When from control, starting button is pressed, coil is made to be powered.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (5)
1. a kind of numerically-controlled machine tool breaker, it is characterised in that: including cabinet, chassis vehicle, operating mechanism and buckle releaser；Cabinet,
Operating mechanism and chassis vehicle are fixedly mounted in shell, and handcart handle hole is provided on chassis vehicle, is horizontally arranged on chassis vehicle
Pole guide rail, three-phase pole are in longitudinal word order setting on a chassis and can slide along pole guide rail, be located on chassis vehicle
Drive rod is horizontally arranged with below three-phase pole, drive rod is arranged perpendicular to pole guide rail, and drive rod is connect with operating mechanism
And moved by the length direction of operating mechanism drives edge drive rod, connecting lever, drive rod are connected between drive rod and three-phase pole
Three-phase pole is driven to move up and down to carry out combined floodgate or separating brake by connecting lever.
2. numerically-controlled machine tool breaker according to claim 1, it is characterised in that: the buckle releaser is overcurrent release
Device, under-voltage release, thermal trip, shunt release or automatically jumping device.
3. numerically-controlled machine tool breaker according to claim 1, it is characterised in that: the material of the buckle releaser is electromagnetism
Iron.
4. numerically-controlled machine tool breaker according to claim 1, it is characterised in that: the breaker closing or breaking operation
It is manually or electrically to be carried out by operating mechanism.
5. numerically-controlled machine tool breaker according to claim 1, it is characterised in that: in the low-voltage circuit breaker due to overload
And after disjunction, connection is re-operated after waiting 2min~3min thermal trip to reset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710834321.5A CN109509684A (en) | 2017-09-15 | 2017-09-15 | A kind of numerically-controlled machine tool breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710834321.5A CN109509684A (en) | 2017-09-15 | 2017-09-15 | A kind of numerically-controlled machine tool breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109509684A true CN109509684A (en) | 2019-03-22 |
Family
ID=65745088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710834321.5A Withdrawn CN109509684A (en) | 2017-09-15 | 2017-09-15 | A kind of numerically-controlled machine tool breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109509684A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201956268U (en) * | 2011-03-29 | 2011-08-31 | 贵州长征电器成套有限公司 | Indoor solid-sealed type high-voltage vacuum circuit breaker |
| CN202258991U (en) * | 2011-09-09 | 2012-05-30 | 许昌永新电器设备有限公司 | Single-phase monopole indoor railway embedded pole vacuum circuit breaker |
| CN204290142U (en) * | 2014-12-24 | 2015-04-22 | 常熟开关制造有限公司(原常熟开关厂） | A kind of circuit breaker |
| CN105390331A (en) * | 2015-12-14 | 2016-03-09 | 法乐绮电气(上海)有限公司 | High-voltage vacuum circuit breaker |
| CN206490017U (en) * | 2017-03-01 | 2017-09-12 | 福建中网电气有限公司 | A kind of breaker |
-
2017
- 2017-09-15 CN CN201710834321.5A patent/CN109509684A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201956268U (en) * | 2011-03-29 | 2011-08-31 | 贵州长征电器成套有限公司 | Indoor solid-sealed type high-voltage vacuum circuit breaker |
| CN202258991U (en) * | 2011-09-09 | 2012-05-30 | 许昌永新电器设备有限公司 | Single-phase monopole indoor railway embedded pole vacuum circuit breaker |
| CN204290142U (en) * | 2014-12-24 | 2015-04-22 | 常熟开关制造有限公司(原常熟开关厂） | A kind of circuit breaker |
| CN105390331A (en) * | 2015-12-14 | 2016-03-09 | 法乐绮电气(上海)有限公司 | High-voltage vacuum circuit breaker |
| CN206490017U (en) * | 2017-03-01 | 2017-09-12 | 福建中网电气有限公司 | A kind of breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190322 |
|
| WW01 | Invention patent application withdrawn after publication |