CN209278248U - A kind of novel rolling mill vertical roll entablature compression hydraulic system - Google Patents
A kind of novel rolling mill vertical roll entablature compression hydraulic system Download PDFInfo
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- CN209278248U CN209278248U CN201821587529.8U CN201821587529U CN209278248U CN 209278248 U CN209278248 U CN 209278248U CN 201821587529 U CN201821587529 U CN 201821587529U CN 209278248 U CN209278248 U CN 209278248U
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- directional control
- solenoid directional
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Abstract
The utility model provides a kind of novel rolling mill vertical roll entablature compression hydraulic system, including hydraulic cylinder group, the first solenoid directional control valve, the second solenoid directional control valve, the hydraulic cylinder group connects oil supply pipe and oil returning tube by the first solenoid directional control valve, the rod chamber of hydraulic cylinder group or the fuel feeding of rodless cavity are realized by first solenoid directional control valve, and then control the flexible of hydraulic stem；Second solenoid directional control valve connects oil supply pipe and oil returning tube also by pipeline, and the output interface of second solenoid directional control valve is connected to by the pipeline between connecting pipeline and the first solenoid directional control valve and the rodless cavity of hydraulic cylinder group；The connecting pipeline is equipped with check valve, and hydraulic oil flows to hydraulic cylinder rodless cavity by check valve.Novel rolling mill vertical roll entablature described in the utility model compresses hydraulic system and passes through compression work of double solenoid directional control valves realizations to hydraulic cylinder, more reliable and more stable；And overpressure protection is provided by overflow valve.
Description
Technical field
The utility model belongs to Mill Technology field, compresses hydraulic pressure system more particularly, to a kind of novel rolling mill vertical roll entablature
System.
Background technique
When vertical roll entablature lifting device is that universal mill uses two roller die formulas in use, work is participated in due to not needing edger roll
Make, and vertical roll entablature can interfere the up and down action of transmission shaft, it is therefore desirable to transmission side vertical roll entablature be lifted, therefore devised vertical
Roller crossbeam can lifting device.
Under universal mill mode, vertical roll entablature needs are remained unchanged in operating position, therefore devise vertical roll entablature pressure
Tight hydraulic cylinder, but since space and position limit, crossbeam compresses Position of Hydraulic Cylinder and is located at transmission side vertical roll entablature and milling train board
The problem of between mill, position is very hidden, thus brings is to leak once crossbeam compresses hydraulic circuit, it is not easy to be sent out
It is existing, and since rolled piece is all high temperature red steel state, the hydraulic oil of leakage is very easy to that fire hazard occurs.It therefore is more than solving
The problem specially reaffirms to devise new vertical roll entablature and compresses circuit, keeps it more steady at work, and can and
When detect leakage.
Summary of the invention
In view of this, the utility model is directed to a kind of novel rolling mill vertical roll entablature compression hydraulic system, it is existing to solve
Some vertical roll entablature lifting devices are not easy discovery leakage, be easy to cause dangerous situation.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of novel rolling mill vertical roll entablature compression hydraulic system, including hydraulic cylinder group, the first solenoid directional control valve, the second electromagnetism
Reversal valve, first solenoid directional control valve, the second solenoid directional control valve all connect the control system of milling train, and the hydraulic cylinder group passes through
First solenoid directional control valve connects oil supply pipe and oil returning tube, has bar by first solenoid directional control valve realization hydraulic cylinder group
The fuel feeding of chamber or rodless cavity, and then control the flexible of hydraulic stem；
Second solenoid directional control valve connects oil supply pipe and oil returning tube, second solenoid directional control valve also by pipeline
Output interface be connected to by pipeline between connecting pipeline and the first solenoid directional control valve and the rodless cavity of hydraulic cylinder group；
The connecting pipeline is equipped with check valve, and hydraulic oil flows to hydraulic cylinder rodless cavity by check valve.
Further, first solenoid directional control valve is three-position four-way electromagnetic directional valve.
Further, superposing type double hydraulic control list is additionally provided on the pipeline between first solenoid directional control valve and hydraulic cylinder group
To valve.
Further, the double unidirectional sections of superposing type are additionally provided on the pipeline between first solenoid directional control valve and hydraulic cylinder group
Valve is flowed, it is double single that superposing type is designed on the two-way pipeline between the rod chamber and rodless cavity and the first solenoid directional control valve of hydraulic cylinder group
To throttle valve.
It further, further include overflow valve pipeline, the overflow valve pipeline is equipped with overflow valve, the overflow valve pipeline
One end is connected to oil returning tube, and the other end is connected on the pipeline between the rodless cavity and the first solenoid directional control valve of hydraulic cylinder group.
Further, second solenoid directional control valve is two-bit triplet solenoid directional control valve, first solenoid directional control valve
Oil inlet connects oil supply pipe, and oil outlet connects stacked unidirectional valve.
Further, the oil inlet of second solenoid directional control valve is equipped with the damping hole of 1.2mm.
Further, the pipeline of the rodless cavity of the hydraulic cylinder group is equipped with pressure sensor and pressure measuring tie-in；
Pressure measuring tie-in also is provided on the pipeline of the rod chamber of the hydraulic stem group.
Compared with the existing technology, novel rolling mill vertical roll entablature described in the utility model compresses hydraulic system with following excellent
Gesture:
(1) novel rolling mill vertical roll entablature of the present invention compresses hydraulic system and is realized by double solenoid directional control valves to hydraulic
The compression work of cylinder, it is more reliable and more stable；And overpressure protection is provided by overflow valve；And it is switched into using double solenoid directional control valves
Row work can increase the service life of two solenoid directional control valves.
(2) it both can be hydraulic that novel rolling mill vertical roll entablature of the present invention, which compresses hydraulic system by second solenoid valve,
Cylinder provides high pressure oil, and the oil inlet of the second solenoid directional control valve is equipped with damping hole, when hydraulic circuit leaks, due to producing
Raw pressure decline, this pressure drop are detected by the pressure sensor, can find to leak in time, handle in time, prevent fire incident
Occur, while reducing leakage rate, has saved production cost.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is that novel rolling mill vertical roll entablature described in the utility model embodiment compresses hydraulic system principle figure.
Description of symbols:
1, oil supply pipe；2, oil returning tube；3, the first solenoid directional control valve；4, the second solenoid directional control valve；5, superposing type biliquid
Control check valve；6, stacked unidirectional throttle valve；7, overflow valve；8, pressure measuring tie-in；9, pressure sensor；10, hydraulic cylinder group；11,
Stacked unidirectional valve；12, connecting pipeline.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, a kind of novel rolling mill vertical roll entablature compresses hydraulic system, including hydraulic cylinder group 10, the first electromagnetism change
To valve 3, the second solenoid directional control valve 4, first solenoid directional control valve 3, the second solenoid directional control valve 4 all connect the control system of milling train
System, the hydraulic cylinder group 10 connect oil supply pipe 1 and oil returning tube 2 by the first solenoid directional control valve 3, pass through first electromagnetism
Reversal valve realizes the rod chamber of hydraulic cylinder group 10 or the fuel feeding of rodless cavity, and then controls the flexible of hydraulic stem；
Second solenoid directional control valve 4 connects oil supply pipe 1 also by pipeline and oil returning tube 2, second electromagnetism change
Pass through the pipeline between connecting pipeline 12 and the first solenoid directional control valve 3 and the rodless cavity of hydraulic cylinder group 10 to the output interface of valve 4
Connection；
The connecting pipeline 12 is equipped with check valve, and hydraulic oil flows to hydraulic cylinder rodless cavity by check valve.
First solenoid directional control valve is three-position four-way electromagnetic directional valve.First solenoid directional control valve 3 and hydraulic cylinder group
Superposing type dual hydraulic control one-way valve 5 is additionally provided on pipeline between 10.
It is additionally provided with overlapping two on pipeline between first solenoid directional control valve 3 and hydraulic cylinder group 10,
It is double unidirectional that superposing type is designed on two-way pipeline between the rod chamber and rodless cavity of hydraulic cylinder group 10 and the first solenoid directional control valve 3
Throttle valve.
It further include 7 pipeline of overflow valve, 7 pipeline of overflow valve is equipped with overflow valve 7, one end of 7 pipeline of overflow valve
It is connected to oil returning tube 2, the other end is connected on the pipeline between the rodless cavity and the first solenoid directional control valve 3 of hydraulic cylinder group 10.Pass through
Overflow valve 7 realizes overpressure protection.
Second solenoid directional control valve 4 is two-bit triplet solenoid directional control valve, the oil inlet of first solenoid directional control valve 3
Oil supply pipe 1 is connected, oil outlet connects stacked unidirectional valve 11, as shown in Figure 1, the T interface of the second solenoid directional control valve 4 connects back to
Oil pipeline prevents reversal valve from building the pressure.
The oil inlet of second solenoid directional control valve 4 is equipped with the damping hole of 1.2mm, therefore both provides high pressure for hold-down cylinder
Oil, and when hydraulic circuit leaks, due to generating pressure decline, this pressure drop is detected by pressure sensor 9, can be timely
It was found that leakage, handles in time, prevents the generation of fire incident, while reducing leakage rate, saved production cost.The hydraulic cylinder
The pipeline of the rodless cavity of group 10 is equipped with pressure sensor 9 and pressure measuring tie-in 8, on the pipeline of the rod chamber of the hydraulic stem group
Equipped with pressure measuring tie-in 8, pressure sensor 9 connects the control system of milling train, sends pressure signal to control system, judged with this be
No the case where revealing.
As shown in Figure 1, right side increases the solenoid directional control valve of an installation damping hole, throttle orifice is at 1.2 millimeters or so.When need
When compressing, first solenoid directional control valve in left side first stretches cylinder, then stops working, at this time the second solenoid valve band on right side
Electricity is started to work.
Since the oil inlet of the second solenoid directional control valve is equipped with damping hole, when pipeline has compared with Small leak, pressure is begun to down
Drop, on-call maintenance after being detected at this time by pressure sensor reduce leakage rate, reduce fire risk, while reducing hydraulic oil
Leakage rate reduces production loss
Working principle:
When needing to compress, hydraulic stem stretches out, at this moment as shown in Figure 1, the P interface of the first solenoid directional control valve 3 and A interface
Conducting, T interface are connected with B interface, and after the movement in place of hydraulic cylinder compression, in as-rolled condition, the first solenoid directional control valve 3 is cut
Change jobs position, no longer works, by the second solenoid directional control valve 4 it is electric after, be connected the second solenoid directional control valve in P and A connect
Mouthful, high pressure oil is persistently provided, vertical roll entablature device is compressed.
When hydraulic stem needs to be reset, 4 power loss of the second solenoid directional control valve, 3 switch operating position of the first solenoid directional control valve, P connect
Mouth connection B interface, T orifice A interface realize the retraction of hydraulic stem to the rod chamber fuel feeding of hydraulic cylinder group 10.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (8)
1. a kind of novel rolling mill vertical roll entablature compresses hydraulic system, it is characterised in that: changed including hydraulic cylinder group (10), the first electromagnetism
To valve (3), the second solenoid directional control valve (4), first solenoid directional control valve (3), the second solenoid directional control valve (4) all connect milling train
Control system, the hydraulic cylinder group (10) are led to by the first solenoid directional control valve (3) connection oil supply pipe (1) and oil returning tube (2)
It crosses first solenoid directional control valve and realizes the rod chamber of hydraulic cylinder group (10) or the fuel feeding of rodless cavity, and then control hydraulic stem
It is flexible；
Second solenoid directional control valve (4) is also by pipeline connection oil supply pipe (1) and oil returning tube (2), second electromagnetism
The output interface of reversal valve (4) passes through the rodless cavity of connecting pipeline (12) and the first solenoid directional control valve (3) and hydraulic cylinder group (10)
Between pipeline connection；
The connecting pipeline (12) is equipped with check valve, and hydraulic oil flows to hydraulic cylinder rodless cavity by check valve.
2. novel rolling mill vertical roll entablature according to claim 1 compresses hydraulic system, it is characterised in that: first electromagnetism
Reversal valve is three-position four-way electromagnetic directional valve.
3. novel rolling mill vertical roll entablature according to claim 1 compresses hydraulic system, it is characterised in that: first electromagnetism
Superposing type dual hydraulic control one-way valve (5) are additionally provided on pipeline between reversal valve (3) and hydraulic cylinder group (10).
4. novel rolling mill vertical roll entablature according to claim 1 compresses hydraulic system, it is characterised in that: first electromagnetism
Overlapping two is additionally provided on pipeline between reversal valve (3) and hydraulic cylinder group (10), hydraulic cylinder group (10) have
Overlapping two is designed on two-way pipeline between rod cavity and rodless cavity and the first solenoid directional control valve (3).
5. novel rolling mill vertical roll entablature according to claim 1 compresses hydraulic system, it is characterised in that: further include overflow valve
(7) pipeline, overflow valve (7) pipeline are equipped with overflow valve (7), and one end of overflow valve (7) pipeline is connected to oil returning tube
(2), on the pipeline between the rodless cavity and the first solenoid directional control valve (3) of other end connection hydraulic cylinder group (10).
6. novel rolling mill vertical roll entablature according to claim 1 compresses hydraulic system, it is characterised in that: second electromagnetism
Reversal valve (4) is two-bit triplet solenoid directional control valve, and the oil inlet of first solenoid directional control valve (3) connects oil supply pipe (1), out
Hydraulic fluid port connects stacked unidirectional valve (11).
7. novel rolling mill vertical roll entablature according to claim 6 compresses hydraulic system, it is characterised in that: second electromagnetism
The oil inlet of reversal valve (4) is equipped with the damping hole of 1.2mm.
8. novel rolling mill vertical roll entablature according to claim 7 compresses hydraulic system, it is characterised in that: the hydraulic cylinder group
(10) pipeline of rodless cavity is equipped with pressure sensor (9) and pressure measuring tie-in (8)；
Pressure measuring tie-in (8) also are provided on the pipeline of the rod chamber of the hydraulic stem group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821587529.8U CN209278248U (en) | 2018-09-27 | 2018-09-27 | A kind of novel rolling mill vertical roll entablature compression hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821587529.8U CN209278248U (en) | 2018-09-27 | 2018-09-27 | A kind of novel rolling mill vertical roll entablature compression hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209278248U true CN209278248U (en) | 2019-08-20 |
Family
ID=67603910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821587529.8U Active CN209278248U (en) | 2018-09-27 | 2018-09-27 | A kind of novel rolling mill vertical roll entablature compression hydraulic system |
Country Status (1)
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| CN (1) | CN209278248U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980134A (en) * | 2018-09-27 | 2018-12-11 | 天津市中重科技工程有限公司 | A kind of Novel universal vertical roll of rolling crossbeam compression hydraulic system |
-
2018
- 2018-09-27 CN CN201821587529.8U patent/CN209278248U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980134A (en) * | 2018-09-27 | 2018-12-11 | 天津市中重科技工程有限公司 | A kind of Novel universal vertical roll of rolling crossbeam compression hydraulic system |
| CN108980134B (en) * | 2018-09-27 | 2024-03-08 | 中重科技(天津)股份有限公司 | Novel hydraulic system for compressing vertical roller cross beam of universal rolling mill |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.16, Jingxiang Road, Science Park, Beichen District, Tianjin, 300409 Patentee after: Zhongzhong Technology (Tianjin) Co.,Ltd. Address before: No.16, Jingxiang Road, Science Park, Beichen District, Tianjin, 300409 Patentee before: TIANJIN ZHONGZHONG SCIENCE TECHNOLOGY & ENGINEERING Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |