CN202824153U - Hydraulic control system for prestress oil cylinder of aluminum tape cast rolling machine - Google Patents
Hydraulic control system for prestress oil cylinder of aluminum tape cast rolling machine Download PDFInfo
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- CN202824153U CN202824153U CN 201220362563 CN201220362563U CN202824153U CN 202824153 U CN202824153 U CN 202824153U CN 201220362563 CN201220362563 CN 201220362563 CN 201220362563 U CN201220362563 U CN 201220362563U CN 202824153 U CN202824153 U CN 202824153U
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- hydraulic control
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- oil cylinder
- prestressing force
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Abstract
The utility model discloses a hydraulic control system for a prestress oil cylinder of an aluminum tape cast rolling machine, and relates to the field of hydraulic pressure. The hydraulic control system comprises a hydraulic cylinder, a hydraulic control circuit, a valve and a power source, and is characterized in that the valve is arranged in the hydraulic control circuit; and the hydraulic control circuit is connected with the hydraulic cylinder and the power source through pipelines respectively. According to the hydraulic control system for the prestress oil cylinder of the aluminum tape cast rolling machine, as the valve is arranged in the hydraulic control circuit, when a proportional pressure reducing valve breaks down, on-line maintenance can be realized without stopping the machine; re-erecting of plates caused by the stopping of the machine is avoided; the auxiliary production time is effectively reduced, so that the production continuousness is guaranteed; the production cost is saved; and the production efficiency is improved. In addition, as the prestress oil cylinder does not decompress suddenly, the production continuousness is guaranteed, and the production benefit of an enterprise is increased.
Description
[technical field]
The utility model relates to Hydraulic Field, is specifically related to a kind of prestressing force oil cylinder hydraulic control system of non-ferrous metals processing industry process equipment, especially relates to a kind of aluminium strip casting and rolling machine prestressing force oil cylinder hydraulic control system.
[background technology]
Known; concerning casting is produced; production cost is very high; wherein a part is produced the auxiliary material of lip that consumes from casting; the normal life cycle of the auxiliary material of lip is about 10 days; in case disorderly closedown; the auxiliary material of lip will directly be scrapped; again riser; the height of production efficiency depends on the riser number of times to a great extent concerning casting is produced; normal production or disorderly closedown are changed lip all needs again riser; so-called riser is exactly that casting and rolling machine is produced required production non-cutting time before the casting volume; in process of production, in order to ensure casting function continuous and stable production, can prestressing force oil cylinder wherein work and depend on prestressing force oil cylinder hydraulic control system; so reliability and the operation stability of prestressing force oil cylinder hydraulic control system are very important; in pre existing stress hydraulic control system, generally all the adoption rate pressure-reducing valve is controlled prestressing force
Realize control to the first prestressing force oil cylinder 3 and the second prestressing force oil cylinder 4 by the first proportional pressure-reducing valve 1 and the second proportional pressure-reducing valve 6 and the UNICOM by pressure-reducing valve A7, electro-hydraulic reversing valve A8, throttle valve A 9, the first hydraulic control one-way valve 10 and the second hydraulic control one-way valve 11 are set in the prior art in pipeline, and by be separately positioned on the first pressure sensor 2 between the first proportional pressure-reducing valve 1 and the first prestressing force oil cylinder 3 and be arranged on the second proportional pressure-reducing valve 6 and the second prestressing force oil cylinder 4 between the second pressure sensor 5 of arranging finish monitoring to oil circuit pressure.
Because proportional pressure-reducing valve belongs to precision components; so in process of production owing to the pollution of fluid can be broken down unavoidably; because proportional pressure-reducing valve breaks down and will cause equipment downtime; after the shutdown when again starting shooting riser again; this must cause producing increases non-cutting time; have now in the hydraulic control system owing to do not consider when proportional pressure-reducing valve breaks down how to keep in repair online; can only take the way of shutting down in the actual production; the equipment disorderly closedown; the auxiliary material of lip is directly scrapped; cause production cost to increase, production efficiency is low inferior.
[summary of the invention]
In order to overcome above-mentioned technical problem; a kind of aluminium strip casting and rolling machine prestressing force oil cylinder hydraulic control system described in the utility model; by valve is set in hydraulic control circuit; when proportional pressure-reducing valve breaks down; in situation about need not shut down, can be implemented in line and safeguard, the prestressing force oil cylinder can rapid decompression simultaneously; namely guarantee the continuity of producing, improved again the productivity effect of enterprise.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of aluminium strip casting and rolling machine prestressing force oil cylinder hydraulic control system comprises hydraulic cylinder, hydraulic control circuit, valve and power source, and described valve is arranged in the hydraulic control circuit, and described hydraulic control circuit is by pipeline difference connecting fluid cylinder pressure and power source.
Described aluminium strip casting and rolling machine prestressing force oil cylinder hydraulic control system, described pipeline material is plastic cement or metal or rubber.
Described aluminium strip casting and rolling machine prestressing force oil cylinder hydraulic control system, described hydraulic cylinder comprises prestressing force oil cylinder B and prestressing force oil cylinder A.
Described aluminium strip casting and rolling machine prestressing force oil cylinder hydraulic control system, described hydraulic control circuit comprises the first hydraulic control circuit, the second hydraulic control circuit, the 3rd hydraulic control circuit, the 4th hydraulic control circuit and electro-hydraulic reversing valve.
Described aluminium strip casting and rolling machine prestressing force oil cylinder hydraulic control system, described the first hydraulic control circuit comprises ball valve A, proportional pressure-reducing valve A, pressure sensor A and ball valve B, described ball valve A is connected with proportional pressure-reducing valve A, pressure sensor A, ball valve B successively by pipeline, and described ball valve B connects prestressing force oil cylinder A by pipeline.
Described aluminium strip casting and rolling machine prestressing force oil cylinder hydraulic control system, described the second hydraulic control circuit comprises ball valve C, proportional pressure-reducing valve B, pressure sensor B, ball valve D and ball valve E, and described ball valve C is connected with proportional pressure-reducing valve B, pressure sensor B, ball valve D and ball valve E successively by pipeline.
Described aluminium strip casting and rolling machine prestressing force oil cylinder hydraulic control system, described the 3rd hydraulic control circuit comprises ball valve C, proportional pressure-reducing valve B, pressure sensor B and ball valve D, described ball valve C is connected with ball valve D with proportional pressure-reducing valve B, pressure sensor B successively by pipeline, and described ball valve D connects prestressing force oil cylinder B by pipeline.
Described aluminium strip casting and rolling machine prestressing force oil cylinder hydraulic control system, described the 4th hydraulic control circuit comprises ball valve A, proportional pressure-reducing valve A, pressure sensor A, ball valve B and ball valve E, and described ball valve A is connected with proportional pressure-reducing valve A, pressure sensor A, ball valve B and ball valve E successively by pipeline.
Described aluminium strip casting and rolling machine prestressing force oil cylinder hydraulic control system, one end of described electro-hydraulic reversing valve connects pressure-reducing valve by pipeline, the other end of electro-hydraulic reversing valve connects choke valve and hydraulic control one-way valve successively by pipeline, and described hydraulic control one-way valve connects prestressing force oil cylinder B and prestressing force oil cylinder A.
Described aluminium strip casting and rolling machine prestressing force oil cylinder hydraulic control system, described power source comprises hydraulic pump or Hydraulic Station.
Owing to adopt aforesaid technical scheme, the utlity model has following superiority:
Aluminium strip casting and rolling machine prestressing force oil cylinder hydraulic control system described in the utility model; has low cost of manufacture; when proportional pressure-reducing valve breaks down; in the situation of equipment downtime, just can be implemented in the line maintenance; avoided occuring because shutdown causes again the situation of riser, effectively reduced and produce non-cutting time, thereby guaranteed the continuity of producing; save production cost, improved production efficiency etc.
[description of drawings]
Fig. 1 is existing prestressing force oil cylinder hydraulic control system figure;
Fig. 2 is prestressing force oil cylinder hydraulic control system figure of the present utility model;
Among the figure: 1, the first proportional pressure-reducing valve; 2, the first pressure sensor; 3, the first prestressing force oil cylinder; 4, the second prestressing force oil cylinder; 5, the second pressure sensor; 6, the second proportional pressure-reducing valve; 7, pressure-reducing valve A; 8, electro-hydraulic reversing valve A; 9, throttle valve A; 10, the first hydraulic control one-way valve; 11, the second hydraulic control one-way valve; 12, pressure-reducing valve; 13, electro-hydraulic reversing valve; 14, choke valve; 15, hydraulic control one-way valve; 16, prestressing force oil cylinder B; 17, ball valve D; 18, pressure sensor B; 19, proportional pressure-reducing valve B; 20, ball valve C; 21, ball valve A; 22, proportional pressure-reducing valve A; 23, pressure sensor A; 24, ball valve B; 25, ball valve E; 26, prestressing force oil cylinder A.
[specific embodiment]
Can explain in more detail the utility model by the following examples, but the utility model is not limited to the following examples;
By reference to the accompanying drawings 2, a kind of aluminium strip casting and rolling machine prestressing force oil cylinder hydraulic control system, comprise hydraulic cylinder, hydraulic control circuit, valve and power source, described valve is arranged in the hydraulic control circuit, described hydraulic control circuit is by pipeline difference connecting fluid cylinder pressure and power source, described pipeline material is plastic cement or metal or rubber, and described hydraulic cylinder comprises prestressing force oil cylinder B16 and prestressing force oil cylinder A26, and described power source comprises hydraulic pump or Hydraulic Station.
Described aluminium strip casting and rolling machine prestressing force oil cylinder hydraulic control system, described hydraulic control circuit comprises the first hydraulic control circuit, the second hydraulic control circuit, the 3rd hydraulic control circuit, the 4th hydraulic control circuit and electro-hydraulic reversing valve 13, described the first hydraulic control circuit comprises ball valve A21, proportional pressure-reducing valve A22, pressure sensor A23 and ball valve B24, described ball valve A21 by pipeline successively with proportional pressure-reducing valve A22, pressure sensor A23, ball valve B24 connects, described ball valve B24 connects prestressing force oil cylinder A26 by pipeline, described the second hydraulic control circuit comprises ball valve C20, proportional pressure-reducing valve B19, pressure sensor B18, ball valve D17 and ball valve E25, described ball valve C20 by pipeline successively with proportional pressure-reducing valve B19, pressure sensor B18, ball valve D17 is connected with ball valve E25, described the 3rd hydraulic control circuit comprises ball valve C20, proportional pressure-reducing valve B19, pressure sensor B18 and ball valve D17, described ball valve C20 by pipeline successively with proportional pressure-reducing valve B19, pressure sensor B18 is connected with ball valve D17, described ball valve D17 connects prestressing force oil cylinder B16 by pipeline, described the 4th hydraulic control circuit comprises ball valve A21, proportional pressure-reducing valve A22, pressure sensor A23, ball valve B24 and ball valve E25, described ball valve A21 by pipeline successively with proportional pressure-reducing valve A22, pressure sensor A23, ball valve B24 is connected with ball valve E25, one end of described electro-hydraulic reversing valve 13 connects pressure-reducing valve 12 by pipeline, the other end of electro-hydraulic reversing valve 13 connects choke valve 14 and hydraulic control one-way valve 15 successively by pipeline, and described hydraulic control one-way valve 15 connects prestressing force oil cylinder B16 and prestressing force oil cylinder A26.
Aluminium strip casting and rolling machine prestressing force oil cylinder hydraulic control system described in the utility model, when normal operation, prestressing force oil cylinder A26 uses the first hydraulic control circuit, prestressing force oil cylinder B16 uses the 3rd hydraulic control circuit, and ball valve E25 is in closed condition, electro-hydraulic reversing valve 13 outages, when proportional pressure-reducing valve A22 breaks down, use the second hydraulic control circuit, when proportional pressure-reducing valve B19 breaks down, use the 4th hydraulic control circuit.
Aluminium strip casting and rolling machine prestressing force oil cylinder hydraulic control system described in the utility model, when normal operation, use the first hydraulic control circuit and the 3rd hydraulic control circuit, ball valve A21, ball valve B24, ball valve C20, ball valve D17 are in opening at this moment, and ball valve E25 is in closed condition; When proportional pressure-reducing valve A22 breaks down, close ball valve B24, open ball valve E25, closing ball valve A21, after proportional pressure-reducing valve A22 maintenance is complete, opening successively ball valve A21, ball valve B24, closing ball valve E25; When proportional pressure-reducing valve B19 breaks down, close ball valve D17, open ball valve E25, closing ball valve C20, after proportional pressure-reducing valve B19 maintenance is complete, opening successively ball valve C20, ball valve D17, closing ball valve E25; When proportional pressure-reducing valve A22 and proportional pressure-reducing valve B19 break down simultaneously, close first ball valve B24 and ball valve D17, close again ball valve A21 and ball valve C20, after proportional pressure-reducing valve A22 and proportional pressure-reducing valve B19 maintenance is complete, open successively ball valve A21, ball valve C20, ball valve B24, ball valve D17.
The utility model does not describe part in detail and is prior art.
The embodiment that selects in this article for open the purpose of this utility model currently thinks to suit, and still, will be appreciated that the utility model is intended to comprise that all belong to all changes and the improvement of the embodiment in this design and the invention scope.
Claims (10)
1. aluminium strip casting and rolling machine prestressing force oil cylinder hydraulic control system, comprise hydraulic cylinder, hydraulic control circuit, valve and power source, it is characterized in that: described valve is arranged in the hydraulic control circuit, and described hydraulic control circuit is by pipeline difference connecting fluid cylinder pressure and power source.
2. aluminium strip casting and rolling machine prestressing force oil cylinder hydraulic control system according to claim 1, it is characterized in that: described pipeline material is plastic cement or metal or rubber.
3. aluminium strip casting and rolling machine prestressing force oil cylinder hydraulic control system according to claim 1, it is characterized in that: described hydraulic cylinder comprises prestressing force oil cylinder B(16) and prestressing force oil cylinder A(26).
4. aluminium strip casting and rolling machine prestressing force oil cylinder hydraulic control system according to claim 1, it is characterized in that: described hydraulic control circuit comprises the first hydraulic control circuit, the second hydraulic control circuit, the 3rd hydraulic control circuit, the 4th hydraulic control circuit and electro-hydraulic reversing valve (13).
5. aluminium strip casting and rolling machine prestressing force oil cylinder hydraulic control system according to claim 1, it is characterized in that: described the first hydraulic control circuit comprises ball valve A(21), proportional pressure-reducing valve A(22), pressure sensor A(23) and ball valve B(24), described ball valve A(21) by pipeline successively with proportional pressure-reducing valve A(22), pressure sensor A(23), ball valve B(24) is connected described ball valve B(24) by pipeline connection prestressing force oil cylinder A(26).
6. aluminium strip casting and rolling machine prestressing force oil cylinder hydraulic control system according to claim 1, it is characterized in that: described the second hydraulic control circuit comprises ball valve C(20), proportional pressure-reducing valve B(19), pressure sensor B(18), ball valve D(17) and ball valve E(25), described ball valve C(20) by pipeline successively with proportional pressure-reducing valve B(19), pressure sensor B(18), ball valve D(17) be connected with ball valve E(25 and be connected.
7. aluminium strip casting and rolling machine prestressing force oil cylinder hydraulic control system according to claim 1, it is characterized in that: described the 3rd hydraulic control circuit comprises ball valve C(20), proportional pressure-reducing valve B(19), pressure sensor B(18) and ball valve D(17), described ball valve C(20) by pipeline successively with proportional pressure-reducing valve B(19), pressure sensor B(18) be connected with ball valve D(17 be connected described ball valve D(17) by pipeline connection prestressing force oil cylinder B(16).
8. aluminium strip casting and rolling machine prestressing force oil cylinder hydraulic control system according to claim 1, it is characterized in that: described the 4th hydraulic control circuit comprises ball valve A(21), proportional pressure-reducing valve A(22), pressure sensor A(23), ball valve B(24) and ball valve E(25), described ball valve A(21) by pipeline successively with proportional pressure-reducing valve A(22), pressure sensor A(23), ball valve B(24) be connected with ball valve E(25 and be connected.
9. aluminium strip casting and rolling machine prestressing force oil cylinder hydraulic control system according to claim 1, it is characterized in that: an end of described electro-hydraulic reversing valve (13) connects pressure-reducing valve (12) by pipeline, the other end of electro-hydraulic reversing valve (13) connects choke valve (14) and hydraulic control one-way valve (15) successively by pipeline, and described hydraulic control one-way valve (15) connects prestressing force oil cylinder B(16) and prestressing force oil cylinder A(26).
10. aluminium strip casting and rolling machine prestressing force oil cylinder hydraulic control system according to claim 1, it is characterized in that: described power source comprises hydraulic pump or Hydraulic Station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220362563 CN202824153U (en) | 2012-07-25 | 2012-07-25 | Hydraulic control system for prestress oil cylinder of aluminum tape cast rolling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220362563 CN202824153U (en) | 2012-07-25 | 2012-07-25 | Hydraulic control system for prestress oil cylinder of aluminum tape cast rolling machine |
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| Publication Number | Publication Date |
|---|---|
| CN202824153U true CN202824153U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220362563 Expired - Fee Related CN202824153U (en) | 2012-07-25 | 2012-07-25 | Hydraulic control system for prestress oil cylinder of aluminum tape cast rolling machine |
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| CN (1) | CN202824153U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226694A (en) * | 2014-09-30 | 2014-12-24 | 中色科技股份有限公司 | Cast rolling machine prestress control system |
| CN108506252A (en) * | 2018-05-30 | 2018-09-07 | 雷沃重工股份有限公司 | Hydraulic control system and tractor |
| CN109899330A (en) * | 2019-03-13 | 2019-06-18 | 武汉湃芯柏科技有限公司 | Hydraulic pressing down system in rolling mill |
| CN110242624A (en) * | 2019-07-17 | 2019-09-17 | 雷沃重工股份有限公司 | A kind of clutch and brake switching hydraulic system and its control method |
| CN110340143A (en) * | 2019-07-30 | 2019-10-18 | 周志光 | A kind of aluminium strip casting rolling mill assembly |
| CN110773574A (en) * | 2019-11-15 | 2020-02-11 | 中冶华天工程技术有限公司 | Hydraulic control system and method for automatically adjusting prestress of rolling mill |
-
2012
- 2012-07-25 CN CN 201220362563 patent/CN202824153U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226694A (en) * | 2014-09-30 | 2014-12-24 | 中色科技股份有限公司 | Cast rolling machine prestress control system |
| CN104226694B (en) * | 2014-09-30 | 2017-02-15 | 中色科技股份有限公司 | Cast rolling machine prestress control system |
| CN108506252A (en) * | 2018-05-30 | 2018-09-07 | 雷沃重工股份有限公司 | Hydraulic control system and tractor |
| CN109899330A (en) * | 2019-03-13 | 2019-06-18 | 武汉湃芯柏科技有限公司 | Hydraulic pressing down system in rolling mill |
| CN109899330B (en) * | 2019-03-13 | 2021-04-20 | 陇东学院 | Hydraulic pressing system of rolling mill |
| CN110242624A (en) * | 2019-07-17 | 2019-09-17 | 雷沃重工股份有限公司 | A kind of clutch and brake switching hydraulic system and its control method |
| CN110340143A (en) * | 2019-07-30 | 2019-10-18 | 周志光 | A kind of aluminium strip casting rolling mill assembly |
| CN110773574A (en) * | 2019-11-15 | 2020-02-11 | 中冶华天工程技术有限公司 | Hydraulic control system and method for automatically adjusting prestress of rolling mill |
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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: 20130327 Termination date: 20160725 |
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| CF01 | Termination of patent right due to non-payment of annual fee |