CN207111553U - A kind of Novel connecting shaft bracket hydraulic control system - Google Patents
A kind of Novel connecting shaft bracket hydraulic control system Download PDFInfo
- Publication number
- CN207111553U CN207111553U CN201720784310.6U CN201720784310U CN207111553U CN 207111553 U CN207111553 U CN 207111553U CN 201720784310 U CN201720784310 U CN 201720784310U CN 207111553 U CN207111553 U CN 207111553U
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- valve
- hydraulic control
- connecting shaft
- control system
- shaft bracket
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Abstract
The utility model provides a kind of Novel connecting shaft bracket hydraulic control system, including oil inlet, oil return opening and oil cylinder;Oil inlet is connected with pressure-reducing valve, pressure-reducing valve is connected with reversal valve, reversal valve is connected with hydraulic control one-way valve, hydraulic control one-way valve is connected with choke valve, choke valve is connected with the A hydraulic fluid ports and B hydraulic fluid ports of oil cylinder respectively, plug-in type overflow valve is provided between A hydraulic fluid ports and pressure-reducing valve, electromagnetic relief valve is provided between plug-in type overflow valve and oil return opening.A kind of Novel connecting shaft bracket hydraulic control system of the utility model, with the use of electromagnetic relief valve, plug-in type overflow valve and oil cylinder;Pass through the design of Hydraulic System of creativeness, the Novel connecting shaft bracket hydraulic control system of two kinds of situations of balanced action during the balanced action and roll change of spindle carrier in the offer operation of rolling can be achieved, the advantages of there is stable using effect, reliable in quality and have a wide range of application.
Description
Technical field
The utility model belongs to field of hydraulic control, more particularly, to a kind of Novel connecting shaft bracket hydraulic control system.
Background technology
Shaped steel, strip-mill strip cogging machine equipment in, spindle carrier is essential servicing unit.Spindle carrier energy
The change of mill roll-gap caused by the effective swing for reducing universal-joint spindle and roll-force it is unbalanced.The spindle of prior art
Bracket hydraulic system can provide corresponding power in the operation of rolling, have the function that the deadweight for balancing spindle carrier, but can only
Equilibrant force in the operation of rolling is provided, and the equilibrant force needed during equipment roll change can not be provided, market in urgent need one kind can be with
The Novel connecting shaft bracket hydraulic control of balanced action during the balanced action and roll change of spindle carrier in the operation of rolling is provided
System.
The content of the invention
In view of this, the utility model is directed to a kind of Novel connecting shaft bracket hydraulic control system, with the use of electromagnetism
Overflow valve, plug-in type overflow valve and oil cylinder;By the design of Hydraulic System of creativeness, can be achieved to provide spindle support in the operation of rolling
The Novel connecting shaft bracket hydraulic control system of two kinds of situations of balanced action during the balanced action and roll change of frame.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in:
A kind of Novel connecting shaft bracket hydraulic control system, including oil inlet, oil return opening and oil cylinder;Oil inlet connects with pressure-reducing valve
Connect, pressure-reducing valve is connected with reversal valve, and reversal valve is connected with hydraulic control one-way valve, and hydraulic control one-way valve is connected with choke valve, choke valve point
It is not connected with the A hydraulic fluid ports and B hydraulic fluid ports of oil cylinder, plug-in type overflow valve is provided between A hydraulic fluid ports and pressure-reducing valve, plug-in type overflow valve is with returning
Electromagnetic relief valve is provided between hydraulic fluid port.
In practical application of the present utility model, in the normal operation of rolling, pressure-reducing valve, plug-in type overflow valve and electromagnetism
Overflow valve is transferred to pre-set value, meets the power of needs in the operation of rolling.When roll change, the power that spindle carrier needs to bear is than rolling
During power it is bigger, now allow electromagnetic relief valve to open, pressure-reducing valve no longer works, and the pressure A hydraulic fluid ports of oil cylinder rodless cavity are just
It is the pressure of system.And now control the plug-in type overflow valve of rodless cavity maximum pressure also no longer to work, now maximum pressure
Controlled and set by electromagnetic relief valve, this ensures that providing suitable counteracting forces in roll change, meet to use during roll change.
Further, accumulator is provided between A hydraulic fluid ports and oil return opening.
Further, accumulator is connected with two position switching valves.
Further, oil cylinder is single-piston single lever-type double acting hydraulic cylinder.
Further, cylinder efficient pressure is 2MPa.
Further, Flow of Cylinder 15L-28L/min.
Relative to prior art, a kind of Novel connecting shaft bracket hydraulic control system of the utility model, have the advantage that:
A kind of Novel connecting shaft bracket hydraulic control system of the utility model, with the use of electromagnetic relief valve, plug-in type overflow
Valve and oil cylinder;By creativeness design of Hydraulic System, can be achieved provide the operation of rolling in spindle carrier balanced action and
The Novel connecting shaft bracket hydraulic control system of two kinds of situations of balanced action during roll change, there is using effect stabilization, quality
The advantages of reliably and having a wide range of application.
Brief description of the drawings
Form a part of accompanying drawing of the present utility model to be used for providing further understanding to of the present utility model, this practicality is new
The schematic description and description of type is used to explain the utility model, does not form to improper restriction of the present utility model.
In the accompanying drawings:
Fig. 1 is a kind of Novel connecting shaft bracket hydraulic control system configuration schematic diagram of the utility model embodiment.
Description of reference numerals:
1- pressure-reducing valves;11- oil inlets;12- oil return openings;2- reversal valves;3- hydraulic control one-way valves;4- choke valves;5- plug-in types
Overflow valve;The position switching valves of 6- bis-;7- accumulators;8- electromagnetic relief valves;9- oil cylinders;91-A hydraulic fluid ports;92-B hydraulic fluid ports.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For to limitation of the present utility model.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that instruction
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In description of the present utility model, unless separately
It is described, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection;Can be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the utility model.
Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in figure 1, a kind of Novel connecting shaft bracket hydraulic control system, including oil inlet 11, oil return opening 12 and oil cylinder 9;
Oil inlet 11 is connected with pressure-reducing valve 1, and pressure-reducing valve 1 is connected with reversal valve 2, and reversal valve 2 is connected with hydraulic control one-way valve 3, fluid-control one-way
Valve 3 is connected with choke valve 4, and choke valve 4 is connected with the A hydraulic fluid ports 91 and B hydraulic fluid ports 92 of oil cylinder 9 respectively, A hydraulic fluid ports 91 and pressure-reducing valve 1 it
Between be provided with plug-in type overflow valve 5, electromagnetic relief valve 8 is provided between plug-in type overflow valve 5 and oil return opening 12.
In practical application of the present utility model, in the normal operation of rolling, pressure-reducing valve 1, plug-in type overflow valve 5 and electricity
Magnetic overflow valve 8 is transferred to pre-set value, meets the power of needs in the operation of rolling.When roll change, spindle carrier needs the power ratio born
Power in the operation of rolling is bigger, then allows electromagnetic relief valve 8 to open, now pressure-reducing valve 1 no longer works, oil cylinder rodless cavity
Pressure A hydraulic fluid ports 91 are exactly the pressure of system.And the plug-in type overflow valve 5 of rodless cavity maximum pressure is now controlled also no longer to act as
With now maximum pressure controls setting by electromagnetic relief valve 8, this ensures that providing suitable balanced action in roll change
Power, meet to use during roll change.
As shown in figure 1, accumulator 7 is provided between A hydraulic fluid ports 91 and oil return opening 12.
As shown in figure 1, accumulator 7 is connected with two position switching valves 6.
As shown in figure 1, oil cylinder 9 is single-piston single lever-type double acting hydraulic cylinder.
As shown in figure 1, the operating pressure of oil cylinder 9 is 2MPa.
As shown in figure 1, the flow of oil cylinder 9 is 15L-28L/min.
Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (6)
- A kind of 1. Novel connecting shaft bracket hydraulic control system, it is characterised in that:Including oil inlet (11), oil return opening (12) and oil cylinder (9);The oil inlet (11) is connected with pressure-reducing valve (1), and the pressure-reducing valve (1) is connected with reversal valve (2), the reversal valve (2) Be connected with hydraulic control one-way valve (3), the hydraulic control one-way valve (3) is connected with choke valve (4), the choke valve (4) respectively with it is described A hydraulic fluid ports (91) and B hydraulic fluid ports (92) connection of oil cylinder (9), are provided with plug-in type between the A hydraulic fluid ports (91) and the pressure-reducing valve (1) Overflow valve (5), electromagnetic relief valve (8) is provided between the plug-in type overflow valve (5) and the oil return opening (12).
- A kind of 2. Novel connecting shaft bracket hydraulic control system according to claim 1, it is characterised in that:The A hydraulic fluid ports (91) accumulator (7) is provided between the oil return opening (12).
- A kind of 3. Novel connecting shaft bracket hydraulic control system according to claim 2, it is characterised in that:The accumulator (7) two position switching valves (6) are connected with.
- A kind of 4. Novel connecting shaft bracket hydraulic control system according to claim 3, it is characterised in that:The oil cylinder (9) It is single-piston single lever-type double acting hydraulic cylinder.
- A kind of 5. Novel connecting shaft bracket hydraulic control system according to claim 4, it is characterised in that:The oil cylinder (9) Operating pressure is 2MPa.
- A kind of 6. Novel connecting shaft bracket hydraulic control system according to claim 5, it is characterised in that:The oil cylinder (9) Flow is 15L-28L/min.
Priority Applications (1)
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CN201720784310.6U CN207111553U (en) | 2017-06-30 | 2017-06-30 | A kind of Novel connecting shaft bracket hydraulic control system |
Applications Claiming Priority (1)
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CN201720784310.6U CN207111553U (en) | 2017-06-30 | 2017-06-30 | A kind of Novel connecting shaft bracket hydraulic control system |
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Publication Number | Publication Date |
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CN207111553U true CN207111553U (en) | 2018-03-16 |
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CN201720784310.6U Active CN207111553U (en) | 2017-06-30 | 2017-06-30 | A kind of Novel connecting shaft bracket hydraulic control system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107218259A (en) * | 2017-06-30 | 2017-09-29 | 天津市中重科技工程有限公司 | A kind of Novel connecting shaft bracket hydraulic control system |
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2017
- 2017-06-30 CN CN201720784310.6U patent/CN207111553U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107218259A (en) * | 2017-06-30 | 2017-09-29 | 天津市中重科技工程有限公司 | A kind of Novel connecting shaft bracket hydraulic control system |
CN107218259B (en) * | 2017-06-30 | 2019-05-10 | 天津市中重科技工程有限公司 | A kind of Novel connecting shaft bracket hydraulic control system |
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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. |