CN205841379U - A kind of net-changing device dedicated hydraulic work station control circuit - Google Patents
A kind of net-changing device dedicated hydraulic work station control circuit Download PDFInfo
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- CN205841379U CN205841379U CN201620708902.5U CN201620708902U CN205841379U CN 205841379 U CN205841379 U CN 205841379U CN 201620708902 U CN201620708902 U CN 201620708902U CN 205841379 U CN205841379 U CN 205841379U
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- changing device
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Abstract
nullThe utility model discloses a kind of net-changing device dedicated hydraulic work station control circuit，Including main switch、Thermorelay、Motor、Oil pump、Accumulator、Transformator、Electro connecting pressure gauge、A.C. contactor、Second relay、Manual selection switch、First electromagnetic valve and the second electromagnetic valve，Electro connecting pressure gauge includes the first to the 3rd pressure instruction contact，One end of the secondary coil of transformator is connected with auxiliary contact and the first pressure instruction contact of A.C. contactor respectively，Second pressure instruction contact is connected with the auxiliary contact of A.C. contactor and the normally-closed contact of the second relay respectively，The normally-closed contact of the second relay is connected with one end of the coil of described A.C. contactor by the normally-closed contact of thermorelay，One end of the coil of the 3rd pressure instruction contact and the second relay connects，One end of the secondary coil of transformator is connected with one end of the first electromagnetic valve and one end of the second electromagnetic valve respectively also by manual selection switch.This utility model can realize draping quick, steady.
Description
Technical field
This utility model relates to net-changing device field, particularly to a kind of net-changing device dedicated hydraulic work station control circuit.
Background technology
Net-changing device is a manually or automatically switching device including one or more filter screen, for flowing through at plastifying material
During filter screen, foreign particle and contaminant filter are fallen.Drainage screen is supported by an alloy porous plate, and porous plate is arranged on board-like or post
On the carrier of formula, carrier can be moved thus be switched between the operating position of a system and off-line off-position.Change
Wire stitcher may be mounted on any new or existing extruder, Melt Pump, reactor or other extruding production line, and it can be used to
Filter any kind of polymer, rubber or ceramic droplet.
The kind of net-changing device is divided into the automatic net-changing device of manual screen changer, hydraulic pressure and net belt type automatically to walk web filter, liquid
Pressing automatic net-changing device is to toggle draping plate or draping post by baroque Hydraulic Station.But existing net-changing device is in draping
Time, when energy deficiency, due to can not be in time to energy during net-changing device offer work, usually occurring can not quickly, steadily changes
The problem of net.
Utility model content
The technical problems to be solved in the utility model is, above-mentioned for prior art can not draping quick, steady
Defect, it is provided that a kind of net-changing device dedicated hydraulic work station control circuit that can realize draping quick, steady.
This utility model solves its technical problem and be the technical scheme is that structure a kind of net-changing device dedicated hydraulic work
Station control circuit, including main switch, thermorelay, motor, oil pump, accumulator, transformator, electro connecting pressure gauge, ac contactor
Device, the second relay, manual selection switch, the first electromagnetic valve and the second electromagnetic valve, described electro connecting pressure gauge includes for referring to
Show that the first pressure instruction contact of described accumulator current pressure, the second pressure of the pressure needed for indicating start-up circuit refer to
Showing contact and for indicating the 3rd pressure instruction contact cutting off the pressure needed for circuit, described main switch passes sequentially through described friendship
The main contacts of stream catalyst and the coil of described thermorelay are connected with described motor, and described motor passes through described oil pump with described
Accumulator connects, be used for controlling described oil pump provides oil pressure to described accumulator, the primary coil of described transformator with described always
Switch with the main contacts of described A.C. contactor between node connect, one end of the secondary coil of described transformator respectively with institute
State the auxiliary contact of A.C. contactor and the first pressure instruction contact connect, described second pressure instruction contact respectively with described friendship
The auxiliary contact of stream catalyst and the normally-closed contact of described second relay connect, and the normally-closed contact of described second relay passes through
The normally-closed contact of described thermorelay is connected with one end of the coil of described A.C. contactor, described 3rd pressure instruction contact with
One end of the coil of described second relay connects, and one end of the secondary coil of described transformator manually selects out also by described
Close and be connected with one end of described first electromagnetic valve and one end of the second electromagnetic valve respectively, another of the coil of described A.C. contactor
The other end of end, the other end of coil of the second relay, the other end of the first electromagnetic valve and the second electromagnetic valve all with described change
The other end of the secondary coil of depressor connects.
In net-changing device dedicated hydraulic work station control circuit described in the utility model, the pressure needed for described start-up circuit
Power is 5MP, and the pressure needed for described cut-out circuit is 7MP.
In net-changing device dedicated hydraulic work station control circuit described in the utility model, described manual selection switch is three
Position selects switch, and described manual selection switch includes advance contact, intermediate contact and retrogressing contact, and described advance contact is with described
One end of first electromagnetic valve connects, and described retrogressing contact is connected with one end of described second electromagnetic valve.
In net-changing device dedicated hydraulic work station control circuit described in the utility model, also include emergency stop switch, described
One end of emergency stop switch is connected with one end of the secondary coil of described transformator, the other end of described emergency stop switch and described first
Pressure instruction contact connects.
In net-changing device dedicated hydraulic work station control circuit described in the utility model, also include display lamp, described finger
Showing that one end of lamp is connected with one end of the secondary coil of described transformator, the other end of described display lamp is secondary with described transformator
The other end of level coil connects.
In net-changing device dedicated hydraulic work station control circuit described in the utility model, also include three-phase alternating-current supply,
Described motor is three phase alternating current motor, and described main switch is threephase switch, and the logarithm of the main contacts of described A.C. contactor is three
Right, every one end live wire corresponding with described three-phase alternating-current supply respectively switched mutually of described main switch connects, described main switch
Every other end switched mutually be connected with described motor by corresponding main contacts and thermorelay respectively, described motor also with institute
The zero line stating three-phase alternating-current supply connects.
In net-changing device dedicated hydraulic work station control circuit described in the utility model, also include fuse, described change
One end of the primary coil of depressor is connected with a phase switch of described main switch by described fuse, the primary of described transformator
The other end of coil switchs with another phase of described main switch and is connected.
In net-changing device dedicated hydraulic work station control circuit described in the utility model, the primary coil of described transformator
The voltage of input is 460V, 440V, 415V, 380V or 220V, and the voltage of the secondary coil output of described transformator is 220V.
In net-changing device dedicated hydraulic work station control circuit described in the utility model, described first pressure instruction contact
Corresponding yellow pressure instruction pin, described second pressure instruction contact correspondence green pressure instruction pin, described 3rd pressure instruction connects
The corresponding red pressure instruction pin of point.
Implement net-changing device dedicated hydraulic work station control circuit of the present utility model, have the advantages that owing to setting
Have main switch, thermorelay, motor, oil pump, accumulator, transformator, electro connecting pressure gauge, A.C. contactor, the second relay,
Manual selection switch, the first electromagnetic valve and the second electromagnetic valve, electro connecting pressure gauge includes for indicating accumulator current pressure
First pressure instruction contact, the second pressure instruction contact of pressure needed for indicate start-up circuit and for indicating cut-out electricity
3rd pressure instruction contact of the pressure needed for road, when the pressure of accumulator is less than the pressure cut off needed for circuit, then motor
Control oil pump provides oil pressure to accumulator, and accumulator provides energy, when the pressure of accumulator is higher than the pressure cut off needed for circuit
Time, then motor control oil pump stops providing oil pressure to accumulator, and so when wanting draping, the energy of accumulator can be stablized and to read soon
There is provided the energy of looped network, so it can realize draping quick, steady.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, before not paying creative work
Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the circuit structure signal in this utility model net-changing device one embodiment of dedicated hydraulic work station control circuit
Figure.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
In this utility model net-changing device dedicated hydraulic work station control circuit embodiment, its net-changing device dedicated hydraulic works
The electrical block diagram of station control circuit is as shown in Figure 1.In Fig. 1, this net-changing device dedicated hydraulic work station control circuit includes
Main switch S1, thermorelay RJ, motor M, oil pump 5, accumulator 6, transformator T, electro connecting pressure gauge S3, A.C. contactor,
Two relays, manual selection switch S4, the first electromagnetic valve A1 and the second electromagnetic valve A2, electro connecting pressure gauge S3 includes the first pressure
Instruction contact S31, the second pressure instruction contact S32 and the 3rd pressure instruction contact S33, wherein, the first pressure instruction contact S31
For indicating accumulator current pressure, the second pressure instruction contact S32 is for indicating the pressure needed for start-up circuit, the 3rd pressure
Instruction contact S33 is for indicating the pressure cut off needed for circuit, and main switch S1 passes sequentially through the main contacts J1-1 of A.C. contactor
Be connected with motor M with the coil of thermorelay RJ, motor M is connected with accumulator 6 by oil pump 5, for control oil pump 5 to energy storage
Device 6 provides oil pressure.
In the present embodiment, between the main contacts J1-1 of the primary coil of transformator T and main switch S1 and A.C. contactor
Node connects, one end of the secondary coil of transformator T respectively with the auxiliary contact J1-4 of A.C. contactor and the instruction of the first pressure
Contact S31 connects, the second pressure instruction contact S32 normal with the auxiliary contact J1-4 of A.C. contactor and the second relay respectively
Closed contact J2-1 connects, and the normally-closed contact J2-1 of the second relay passes through normally-closed contact RJ-1 and the A.C. contactor of thermorelay
One end of coil J1 connect, one end connection of the coil J2 of the 3rd pressure instruction contact S33 and the second relay, transformator T
Secondary coil one end also by manual selection switch S4 respectively with one end of the first electromagnetic valve A1 and the second electromagnetic valve A2
One end connects, the other end of coil J1 of A.C. contactor, the other end of coil J2 of the second relay, the first electromagnetic valve A1
The other end of the other end and the second electromagnetic valve A2 all other ends with the secondary coil of transformator T are connected.
One be worth is mentioned that, in the present embodiment, the pressure needed for start-up circuit is 5MP, cuts off the pressure needed for circuit
For 7MP.In the present embodiment, electric contact point pressure gauge is provided with yellow pressure instruction pin, green pressure instruction pin and red pressure instruction
Pin, the first pressure instruction contact S31 correspondence yellow pressure instruction pin, the second pressure instruction contact S32 correspondence green pressure instruction
Pin, the 3rd pressure instruction contact S33 correspondence redness pressure instruction pin.In the present embodiment, green pressure instruction pin is regulated at 5MP
Position, red pressure instruction pin regulates in 7MP position.Thermorelay RJ and motor M is standard configuration, major control accumulator 6
Pressure is constantly maintained between 5MP to 7MP.
In the present embodiment, the effect of accumulator 6 is just to provide energy during net-changing device work, when the pressure of accumulator 6 is low
When 5MP, motor M works, and increases energy to accumulator 6, and when the pressure of accumulator 6 is more than 7MP, motor M stops to energy storage
Device 6 supplying energy.When wanting draping, the energy of accumulator 6 can be stablized quickly provides the energy of draping, reaches quick and stable
Draping purpose, so it can realize draping quick, steady.
Concrete, in the present embodiment, main switch S1 is opened, when the pressure of accumulator 6 is less than 7MP, A.C. contactor
Main contacts J1-1 Guan Bi, motor M control oil pump 5 to accumulator 6 for oil pressure, when the pressure of accumulator 6 is more than 7MP, motor M
Stopping to accumulator 6 for oil pressure, now, the main contacts J1-1 of A.C. contactor disconnects.
When yellow pressure instruction pin is increased to 5MP by 0, (now yellow pressure instruction pin and green pressure indicate the position of pin
Put coincidence), now, A.C. contactor is connected, and motor M bio-occlusion accumulator 6 is for oil pressure；When yellow pressure instruction pin continues to increase
Greatly, when indicated pressure reaches 7MP pressure (now yellow pressure instruction pin overlaps with the position of red pressure instruction pin), this
Time, the coil J2 of the second relay connects, and the normally-closed contact J2-1 of the second relay disconnects, thus disconnecting circuit, now exchange
The main contacts J1-1 of catalyst disconnects, and makes motor M stop to accumulator 6 for oil pressure.
In the present embodiment, manual selection switch S4 is three and selects switch, and manual selection switch S4 includes advance contact
One end of S41, intermediate contact S42 and retrogressing contact S43, advance contact S41 and the first electromagnetic valve A1 connects, and retreats contact S43
It is connected with one end of the second electromagnetic valve A2.Manual selection switch S4 is used for draping, when manual selection switch S4 gets to advance contact
During S41, the first electromagnetic valve A1 connects, and when manual selection switch S4 gets to retrogressing contact S43, the second electromagnetic valve A2 connects, hands
Dynamic selection switch S4 beats when intermediate contact S42, and the first electromagnetic valve A1 and the second electromagnetic valve A2 is all in the state of access failure.
In the present embodiment, this net-changing device dedicated hydraulic work station control circuit also includes emergency stop switch S2, emergency stop switch S2
One end be connected with one end of the secondary coil of transformator T, the other end of emergency stop switch S2 and the first pressure instruction contact S31 are even
Connect.In case of emergency, manually click emergency stop switch S2, disconnect whole loop, protect whole control circuit.
In the present embodiment, this net-changing device dedicated hydraulic work station control circuit also includes display lamp R, one end of display lamp R
Being connected with one end of the secondary coil of transformator T, the other end of display lamp R is connected with the other end of the secondary coil of transformator T.
In the present embodiment, this net-changing device dedicated hydraulic work station control circuit also includes that three-phase alternating-current supply, motor M are three
Cross streams motor, main switch S1 is threephase switch, and the logarithm of the main contacts J1-1 of A.C. contactor is three right, main switch S1 every
The one end switched mutually live wire corresponding with three-phase alternating-current supply respectively connects, the most corresponding A phase firewire, B phase firewire and C phase
Live wire connects, every other end switched mutually of main switch S1 pass sequentially through respectively the A.C. contactor of correspondence main contacts J1-1 and
Thermorelay RJ is connected with motor M, and motor M is also connected with the zero line N of three-phase alternating-current supply.
In the present embodiment, this net-changing device dedicated hydraulic work station control circuit also includes fuse FS, the primary of transformator T
One end of coil is connected with a phase switch of main switch S1 by fuse FS, and the other end of the primary coil of transformator T is with total
Another phase switch of switch S1 connects.
In the present embodiment, transformator T be used for blood pressure lowering, transformator T primary coil input voltage be 460V, 440V,
415V, 380V or 220V, the voltage of the secondary coil output of transformator T is 220V.
In a word, in the present embodiment, net-changing device is when working at stroke, and its time is short, pressure stability, can do up and down,
Move back and forth.Draping quick, steady can be realized.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement etc. made, should be included in this utility model
Protection domain within.
Claims (9)
1. a net-changing device dedicated hydraulic work station control circuit, it is characterised in that include main switch, thermorelay, motor, oil
Pump, accumulator, transformator, electro connecting pressure gauge, A.C. contactor, the second relay, manual selection switch, the first electromagnetic valve and
Second electromagnetic valve, described electro connecting pressure gauge include for indicate described accumulator current pressure first pressure instruction contact,
Second pressure instruction contact of the pressure needed for indicating start-up circuit and cut off the of pressure needed for circuit for indicating
Three pressure instruction contacts, described main switch pass sequentially through the coil of the main contacts of described A.C. contactor and described thermorelay with
Described motor connects, and described motor is connected with described accumulator by described oil pump, is used for controlling described oil pump to described energy storage
Device provides oil pressure, the node between primary coil and the main contacts of described main switch and described A.C. contactor of described transformator
Connecting, one end of the secondary coil of described transformator connects with the auxiliary contact of described A.C. contactor and the instruction of the first pressure respectively
Point connects, described second pressure instruction contact normal with the auxiliary contact of described A.C. contactor and described second relay respectively
Closed contact connects, and the normally-closed contact of described second relay is by the normally-closed contact of described thermorelay and described A.C. contactor
Coil one end connect, described 3rd pressure instruction contact be connected with one end of the coil of described second relay, described change
One end of the secondary coil of depressor is electric with one end of described first electromagnetic valve and second respectively also by described manual selection switch
One end of magnet valve connects, the other end of the coil of described A.C. contactor, the other end of coil of the second relay, the first electromagnetism
The other end of valve and the other end of the second electromagnetic valve all other ends with the secondary coil of described transformator are connected.
Net-changing device dedicated hydraulic work station control circuit the most according to claim 1, it is characterised in that described start-up circuit
Required pressure is 5MP, and the pressure needed for described cut-out circuit is 7MP.
Net-changing device dedicated hydraulic work station control circuit the most according to claim 1 and 2, it is characterised in that described manually
Selecting switch to be three and select switch, described manual selection switch includes advance contact, intermediate contact and retrogressing contact, described before
Entering contact to be connected with one end of described first electromagnetic valve, described retrogressing contact is connected with one end of described second electromagnetic valve.
Net-changing device dedicated hydraulic work station control circuit the most according to claim 3, it is characterised in that also include that jerk is opened
Close, one end of described emergency stop switch is connected with one end of the secondary coil of described transformator, the other end of described emergency stop switch and
Described first pressure instruction contact connects.
Net-changing device dedicated hydraulic work station control circuit the most according to claim 4, it is characterised in that also include instruction
Lamp, one end of described display lamp is connected with one end of the secondary coil of described transformator, and the other end of described display lamp is with described
The other end of the secondary coil of transformator connects.
Net-changing device dedicated hydraulic work station control circuit the most according to claim 1, it is characterised in that also include that three intersect
Stream power supply, described motor is three phase alternating current motor, and described main switch is threephase switch, the main contacts of described A.C. contactor right
Number is three right, and every one end live wire corresponding with described three-phase alternating-current supply respectively switched mutually of described main switch connects, described
Every other end switched mutually of main switch is connected with described motor by corresponding main contacts and thermorelay respectively, described motor
The also zero line with described three-phase alternating-current supply is connected.
Net-changing device dedicated hydraulic work station control circuit the most according to claim 6, it is characterised in that also include fusing
Device, one end of the primary coil of described transformator is connected with a phase switch of described main switch by described fuse, described change
The other end of the primary coil of depressor switchs with another phase of described main switch and is connected.
Net-changing device dedicated hydraulic work station control circuit the most according to claim 1, it is characterised in that described transformator
The voltage of primary coil input is 460V, 440V, 415V, 380V or 220V, the voltage of the secondary coil output of described transformator
For 220V.
Net-changing device dedicated hydraulic work station control circuit the most according to claim 1, it is characterised in that described first pressure
Instruction contact correspondence yellow pressure instruction pin, described second pressure instruction contact correspondence green pressure instruction pin, described 3rd pressure
Power instruction contact correspondence redness pressure instruction pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620708902.5U CN205841379U (en) | 2016-07-06 | 2016-07-06 | A kind of net-changing device dedicated hydraulic work station control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620708902.5U CN205841379U (en) | 2016-07-06 | 2016-07-06 | A kind of net-changing device dedicated hydraulic work station control circuit |
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| Publication Number | Publication Date |
|---|---|
| CN205841379U true CN205841379U (en) | 2016-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620708902.5U Expired - Fee Related CN205841379U (en) | 2016-07-06 | 2016-07-06 | A kind of net-changing device dedicated hydraulic work station control circuit |
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| CN (1) | CN205841379U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115162455A (en) * | 2021-04-02 | 2022-10-11 | 襄阳忠良工程机械有限责任公司 | Wired remote intelligent control excavation type loader |
-
2016
- 2016-07-06 CN CN201620708902.5U patent/CN205841379U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115162455A (en) * | 2021-04-02 | 2022-10-11 | 襄阳忠良工程机械有限责任公司 | Wired remote intelligent control excavation type loader |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20210706 |
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| CF01 | Termination of patent right due to non-payment of annual fee |