CN209115424U - Centrifuge hydraulic cylinder control system - Google Patents

Centrifuge hydraulic cylinder control system Download PDF

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Publication number
CN209115424U
CN209115424U CN201821371015.9U CN201821371015U CN209115424U CN 209115424 U CN209115424 U CN 209115424U CN 201821371015 U CN201821371015 U CN 201821371015U CN 209115424 U CN209115424 U CN 209115424U
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China
Prior art keywords
oil
valve
pressure
hydraulic cylinder
control system
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CN201821371015.9U
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Chinese (zh)
Inventor
冯永刚
孔今松
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Xinxing Ductile Iron Pipes Co Ltd
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Xinxing Ductile Iron Pipes Co Ltd
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Abstract

The utility model relates to a kind of centrifuge hydraulic cylinder control systems, including pressure oil oil inlet, pressure oil oil return opening and pressure oil unloading port, hydraulic cylinder and control system, pressure oil oil inlet, pressure oil oil return opening and pressure oil unloading port are connected by control system with hydraulic cylinder, and control system includes: fuel feeding valve block and control valve block.The utility model centrifuge hydraulic cylinder control system rescales hydraulic output oil pump control Decompression Controlling;Sector packet increases the fan-out capability that energy storage equipment increases hydraulic system, and changing oil pump control is ratio Decompression Controlling;Fan-shaped packet oil cylinder is optimized with proportioning valve to be adapted to, and is reduced the raising of proportioning valve latus rectum and is turned over packet progress and respond.Existing cast tube iron loss monthly average ton pipe, which consumes molten iron and reduces after 953kg or more, hydraulic system upgrading, reaches the consumption of 1% or more ton pipe in 943kg hereinafter, safe and reliable on molten steel consumption, raising production efficiency reduces production cost.

Description

Centrifuge hydraulic cylinder control system
Technical field
The utility model relates to a kind of hydraulic cylinder control systems, in particular to a kind of centrifuge hydraulic cylinder controls System.
Background technique
As the production and application centrifugation machine hydraulic system abrasion of cast tube centrifuge is increasingly severe, what is largely used is hydraulic Element has been unable to meet the requirement produced to hydraulic system, and equipment upgrading now, which reduces production cost, gathers around our cast tube product Bigger competitiveness is our current need, probe into industry 4.0 equipment upgrading be again our future developments it is necessary it Road, therefore be badly in need of rising the hydraulic system of centrifuge to further decrease the upgrading research of production cost quickening industry 4.0 Grade research.
Existing centrifuge has carried out the transformation of PID closed-loop control in 2014 to electrical system, although to centrifuge system Command come a degree of raising, but not with reach the target required at that time.
Present centrifuge state is unable to meet production the requirement to hydraulic system.It was before more than 20 years due to equipping at that time Germany's equipment of introduction, hydraulic designed capacity has been unable to meet the production requirement of today, be less able to satisfy cast tube quality now and The requirement of cost declining.
Utility model content
In view of the deficiency of the prior art, the utility model provides a kind of safe and reliable, improves production efficiency, reduces The centrifuge hydraulic cylinder control system of production cost.
Technical solution adopted in the utility model is:
A kind of centrifuge hydraulic cylinder control system, including pressure oil oil inlet P 1, pressure oil oil return inlet T 1 and pressure oil unload Hydraulic fluid port Y1, hydraulic cylinder and control system, pressure oil oil inlet P 1, pressure oil oil return inlet T 1 and pressure oil unloading port Y1 pass through control System is connected with hydraulic cylinder,
Control system includes: fuel feeding valve block and control valve block;
Pressure oil is connected by pressure oil oil inlet P 1 with one end of first manual valve;
The other end of first manual valve is connected by the 4th manually-operated gate with pressure gauge;
The other end of first manual valve is connected with one end of pressure switch;
The other end of first manual valve is connected with one end of third hand-operated valve;
The other end of third hand-operated valve is connected by the second hand-operated valve with pressure oil oil return inlet T 1;
The other end of pressure switch is connected by the 9th manually-operated gate with accumulator;
The other end of pressure switch is connected with the first electromagnetism pressure maintaining valve oil inlet;
First electromagnetism pressure maintaining valve, 10 oil outlet is connected with the control mouth of proportion magnetic valve;
The unloading port of proportion magnetic valve is connected with pressure oil unloading port Y1;
The oil return opening of proportion magnetic valve is connected by pipeline with pressure oil oil return inlet T 1;
The other end of pressure switch is connected with the second electromagnetism pressure maintaining valve oil inlet;
Second electromagnetism pressure maintaining valve oil outlet is connected by filter with the oil inlet of proportion magnetic valve;
The first oil outlet of proportion magnetic valve passes through one end of repid cut-off valve and displacement sensor and two-way reversible filter It is connected;
The both ends of two-way reversible filter are connected by check valve;
The other end of two-way reversible filter is connected with the oil inlet of casting ladle hydraulic cylinder;
The second oil outlet of proportion magnetic valve is connected by repid cut-off valve with the oil return opening of casting ladle hydraulic cylinder;
The first oil outlet of proportion magnetic valve is connected by repid cut-off valve with the oil return opening of one-way throttle valve;
The second oil outlet of proportion magnetic valve is connected by repid cut-off valve with the oil inlet of one-way throttle valve;
Second electromagnetism pressure maintaining valve oil outlet is connected with switch electromagnetic valve oil inlet;
Switch electromagnetic valve oil return opening is connected with pressure oil oil return inlet T 1;
Two oil outlets of switch electromagnetic valve pass through check valve respectively and are connected with two oil outlets of one-way throttle valve.
Pressure gauge is provided on pipeline between connection two-way reversible filter and check valve.
Second electromagnetism pressure maintaining valve oil outlet is provided with pressure gauge.
First electromagnetism pressure maintaining valve oil outlet is provided with pressure gauge.
The utility model compared with the prior art the utility model has the advantages that
The utility model centrifuge hydraulic cylinder control system, hydraulic system device use the new range of upgrading, and handle Hydraulic output oil pump control rescales Decompression Controlling;Sector packet increases the fan-out capability that energy storage equipment increases hydraulic system, changes oil Pump control is ratio Decompression Controlling;Fan-shaped packet oil cylinder is optimized with proportioning valve to be adapted to, reduce proportioning valve latus rectum raising turn over wrap into Degree and respond.Existing cast tube iron loss monthly average ton pipe consumption molten iron reduces molten iron after 953kg or more, hydraulic system upgrading and disappears Reach the consumption of 1% or more ton pipe in consumption in 943kg hereinafter, safe and reliable, raising production efficiency reduces production cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model centrifuge hydraulic cylinder control system;
Fig. 2 is the partial enlargement diagram of the A of Fig. 1;
Fig. 3 is the partial enlargement diagram of the B of Fig. 1.
Specific embodiment
Referring to the drawings and the utility model is described in detail in embodiment:
Accumulator is carried out to centrifuge vibration hydraulic system and cover board pressure reducing valve carries out recovery control, oil pump and master cylinder are more Newly;Motor pump increasing is carried out to centrifuge sector packet hydraulic system, increases energy storage equipment and the control of cover board pressure reducing valve, sector packet Proportioning valve latus rectum, which reduces, replaces fan-shaped packet oil cylinder.
Attached drawing 1-3 is it is found that a kind of centrifuge hydraulic cylinder control system, including pressure oil oil inlet P 1, pressure oil oil return opening T1 and pressure oil unloading port Y1, hydraulic cylinder and control system, pressure oil oil inlet P 1, pressure oil oil return inlet T 1 and pressure oil unload Hydraulic fluid port Y1 is connected by control system with hydraulic cylinder,
Control system includes: fuel feeding valve block and control valve block;
Pressure oil is connected by pressure oil oil inlet P 1 with one end of first manual valve 1;
The other end of first manual valve 1 is connected by the 4th manually-operated gate 4 with pressure gauge 5;
The other end of first manual valve 1 is connected with one end of pressure switch 8;
The other end of first manual valve 1 is connected with one end of third hand-operated valve 3;
The other end of third hand-operated valve 3 is connected by the second hand-operated valve 2 with pressure oil oil return inlet T 1;
The other end of pressure switch 8 is connected by the 9th manually-operated gate 9 with accumulator 7;
The other end of pressure switch 8 is connected with 10 oil inlet of the first electromagnetism pressure maintaining valve;
First electromagnetism pressure maintaining valve, 10 oil outlet is connected with the control mouth of proportion magnetic valve 13;
The unloading port of proportion magnetic valve 13 is connected with pressure oil unloading port Y1;
The oil return opening of proportion magnetic valve 13 is connected by pipeline with pressure oil oil return inlet T 1;
The other end of pressure switch 8 is connected with 11 oil inlet of the second electromagnetism pressure maintaining valve;
Second electromagnetism pressure maintaining valve, 11 oil outlet is connected by filter 12 with oil inlet, that is, pressure port of proportion magnetic valve 13 It connects;
I.e. the first working hole of 13 first oil outlet of proportion magnetic valve passes through repid cut-off valve 14 and displacement sensor 15 and double It is connected to one end of reversible filter 20;
The both ends of two-way reversible filter 20 are connected by the first check valve 16;
The other end of two-way reversible filter 20 is connected with the oil inlet of casting ladle hydraulic cylinder;
I.e. the second working hole of 13 second oil outlet of proportion magnetic valve passes through the oil return of repid cut-off valve 14 and casting ladle hydraulic cylinder Mouth is connected;
Time that i.e. the first working hole of 13 first oil outlet of proportion magnetic valve passes through repid cut-off valve 14 and one-way throttle valve 19 Hydraulic fluid port is connected;
13 second oil outlet of proportion magnetic valve is connected by repid cut-off valve 14 with the oil inlet of one-way throttle valve 19;
Second electromagnetism pressure maintaining valve, 11 oil outlet is connected with 17 oil inlet of switch electromagnetic valve;
17 oil return opening of switch electromagnetic valve is connected with pressure oil oil return inlet T 1;
Two oil outlets of switch electromagnetic valve 17 pass through two oil outlet phases of the check valve 18 with one-way throttle valve 19 respectively Connection.
Pressure gauge is provided on pipeline between connection two-way reversible filter 20 and the first check valve 16.
Second 11 oil outlets of electromagnetism pressure maintaining valve, that is, working hole is provided with pressure gauge.
First 10 oil outlets of electromagnetism pressure maintaining valve, that is, working hole is provided with pressure gauge.
Specific improvement is as follows:
1, the proportioning valve of centrifuge master cylinder and fan-shaped packet oil cylinder is controlled, corresponding identical output signal, stagnant ring is larger, oil For cylinder output quantity when with measurable variation is generated on original opposite direction, reversed return difference value is larger.How proportioning valve is solved Proper Match with oil cylinder is the difficult point of this upgrading scheme, and the matching relationship of matching ratio valve and oil cylinder, improves system again Dynamic characteristic is seeked advice from by largely calculating with device manufacturer, and the hydraulic component for being suitble to cast tube centrifuge system is selected;
2, too low by detecting used proportioning valve and oil cylinder response, oil cylinder output quantity generates can survey in a same direction When the variation of amount, the action sensitivity or resolution ratio of input quantity are lower.Solution is the oil cylinder for selecting draw ratio high, improves matter The intrinsic frequency of spring system is measured, the latus rectum for reducing proportioning valve changes high frequency response oil cylinder;
3, the flow rigidity of host hydraulic system and fan-shaped packet hydraulic system is less than normal, defeated with stable hydraulic system by increasing Pressure out, after upgrading hydraulic system response change need to the SIMOTION system parameter to electrical closed loop PID control carry out weight New debugging makes entire Centrifugal Machine Control be optimal state.
The above descriptions are merely preferred embodiments of the present invention, not makees to the structure of the utility model any Formal limitation.It is any simple modification made by the above technical examples according to the technical essence of the present invention, equivalent Variation and modification, belong within the scope of the technical solution of the utility model.

Claims (4)

1. a kind of centrifuge hydraulic cylinder control system, including pressure oil oil inlet P 1, pressure oil oil return opening (T1) and pressure oil unload Hydraulic fluid port Y1, hydraulic cylinder and control system, pressure oil oil inlet P 1, pressure oil oil return inlet T 1 and pressure oil unloading port Y1 pass through control System is connected with hydraulic cylinder, it is characterised in that:
Control system includes: fuel feeding valve block and control valve block;
Pressure oil is connected by pressure oil oil inlet P 1 with one end of first manual valve (1);
The other end of first manual valve (1) is connected by the 4th manually-operated gate (4) with pressure gauge (5);
The other end of first manual valve (1) is connected with one end of pressure switch (8);
The other end of first manual valve (1) is connected with one end of third hand-operated valve (3);
The other end of third hand-operated valve (3) is connected by the second hand-operated valve (2) with pressure oil oil return opening (T1);
The other end of pressure switch (8) is connected by the 9th manually-operated gate (9) with accumulator (7);
The other end of pressure switch (8) is connected with first electromagnetism pressure maintaining valve (10) oil inlet;
First electromagnetism pressure maintaining valve (10) oil outlet is connected with the control mouth of proportion magnetic valve (13);
The unloading port of proportion magnetic valve (13) is connected with pressure oil unloading port Y1;
The oil return opening of proportion magnetic valve (13) is connected by pipeline with pressure oil oil return inlet T 1;
The other end of pressure switch (8) is connected with second electromagnetism pressure maintaining valve (11) oil inlet;
Second electromagnetism pressure maintaining valve (11) oil outlet is connected by filter (12) with the oil inlet of proportion magnetic valve (13);
(13) first oil outlet of proportion magnetic valve is filtered by repid cut-off valve (14) and displacement sensor (15) and bidirectional reversible One end of device (20) is connected;
The both ends of two-way reversible filter (20) are connected by the first check valve (16);
The other end of two-way reversible filter (20) is connected with the oil inlet of casting ladle hydraulic cylinder;
(13) second oil outlet of proportion magnetic valve is connected by repid cut-off valve (14) with the oil return opening of casting ladle hydraulic cylinder;
(13) first oil outlet of proportion magnetic valve is connected by repid cut-off valve (14) with the oil return opening of one-way throttle valve (19);
(13) second oil outlet of proportion magnetic valve is connected by repid cut-off valve (14) with the oil inlet of one-way throttle valve (19);
Second electromagnetism pressure maintaining valve (11) oil outlet is connected with switch electromagnetic valve (17) oil inlet;
Switch electromagnetic valve (17) oil return opening is connected with pressure oil oil return inlet T 1;
Two oil outlets of switch electromagnetic valve (17) pass through two oil outlets of check valve (18) Yu one-way throttle valve (19) respectively It is connected.
2. centrifuge hydraulic cylinder control system according to claim 1, it is characterised in that:
Pressure gauge is provided on pipeline between connection two-way reversible filter (20) and the first check valve (16).
3. centrifuge hydraulic cylinder control system according to claim 1, it is characterised in that:
Second electromagnetism pressure maintaining valve (11) oil outlet is provided with pressure gauge.
4. centrifuge hydraulic cylinder control system according to claim 1, it is characterised in that:
First electromagnetism pressure maintaining valve (10) oil outlet is provided with pressure gauge.
CN201821371015.9U 2018-08-24 2018-08-24 Centrifuge hydraulic cylinder control system Active CN209115424U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821371015.9U CN209115424U (en) 2018-08-24 2018-08-24 Centrifuge hydraulic cylinder control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821371015.9U CN209115424U (en) 2018-08-24 2018-08-24 Centrifuge hydraulic cylinder control system

Publications (1)

Publication Number Publication Date
CN209115424U true CN209115424U (en) 2019-07-16

Family

ID=67197422

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821371015.9U Active CN209115424U (en) 2018-08-24 2018-08-24 Centrifuge hydraulic cylinder control system

Country Status (1)

Country Link
CN (1) CN209115424U (en)

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