CN210033992U - Rolling mill frame turnover hydraulic control system - Google Patents
Rolling mill frame turnover hydraulic control system Download PDFInfo
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- CN210033992U CN210033992U CN201920893961.8U CN201920893961U CN210033992U CN 210033992 U CN210033992 U CN 210033992U CN 201920893961 U CN201920893961 U CN 201920893961U CN 210033992 U CN210033992 U CN 210033992U
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Abstract
The utility model relates to a rolling mill frame upset hydraulic control system has the upset hydro-cylinder of piston rod connection frame, advances oil pipe and returns oil pipe, advance oil pipe, return oil union coupling and be equipped with manual switching-over valve, advance oil pipe between oil pipe port and the manual switching-over valve and be equipped with first high-pressure ball valve on advancing oil pipe, be equipped with the check valve on returning oil pipe between oil pipe port and the manual switching-over valve, be equipped with one-way choke valve, balanced valve and second high-pressure ball valve on the oil circuit between manual switching-over valve and the upset hydro-cylinder in proper order, second high-pressure ball valve respectively with the pole chamber and the rodless chamber tube coupling that have of upset hydro-cylinder. The utility model discloses a set up the balanced valve in the system after, can carry out balanced regulation to the hydraulic oil pressure that gets into the upset hydro-cylinder effectively to ensure the steady operation of upset hydro-cylinder, prevented the impact effect that the frame upset in-process brought the upset hydro-cylinder.
Description
Technical Field
The utility model relates to a rolling mill frame upset hydraulic control system.
Background
In the operation process of the rolling mill, the stand needs to be turned over according to the technological requirements, and the traditional mechanical turning mechanism has more parts, complex and tedious structure, inconvenient operation and larger occupied space. The hydraulic control is adopted, so that the control precision is high, the structure is simple, the control is easy to realize in the aspect of linkage operation with a rolling mill, but the existing hydraulic control turnover mechanism is not enough in stability, certain impact is easily caused on a turnover oil cylinder, and the stable operation of the oil cylinder is influenced.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: in order to overcome the defects in the prior art, the utility model provides a rolling mill frame turnover hydraulic control system which operates stably.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a rolling mill frame upset hydraulic control system, has the upset hydro-cylinder, advance oil pipe and the oil return pipe of piston rod connection frame, advance oil pipe, oil return pipe be connected with the hand-operated directional control valve, advance oil pipe between oil pipe port and the hand-operated directional control valve and be equipped with first high pressure ball valve on advancing oil pipe, be equipped with the check valve on the oil return pipe between oil pipe port and the hand-operated directional control valve, be equipped with one-way choke valve, balanced valve and second high pressure ball valve on the oil circuit between hand-operated directional control valve and the upset hydro-cylinder in proper order, second high pressure ball valve has pole chamber and no pole chamber tube coupling with the upset hydro-cylinder.
Furthermore, in order to observe the system pressure in real time, the oil inlet pipe is connected with a pressure measuring joint between the first high-pressure ball valve and the manual reversing valve, the pressure measuring joint is connected with a first pressure gauge through a pressure measuring hose, and a second pressure gauge is connected between the balance valve and the second high-pressure ball valve.
The utility model has the advantages that: the utility model discloses a set up the balanced valve in the system after, can carry out balanced regulation to the hydraulic oil pressure that gets into the upset hydro-cylinder effectively to ensure the steady operation of upset hydro-cylinder, prevented the impact effect that the frame upset in-process brought the upset hydro-cylinder.
Drawings
The present invention will be further described with reference to the accompanying drawings and embodiments.
Fig. 1 is a schematic diagram of the principle structure of the present invention.
In the figure: 1. the pressure measuring device comprises a turnover oil cylinder, 2. an oil inlet pipe, 3. an oil return pipe, 4. a manual reversing valve, 5. a first high-pressure ball valve, 6. a throttle valve, 7. a one-way throttle valve, 8. a balance valve, 9. a second high-pressure ball valve, 10. a pressure measuring joint, 11. a pressure measuring hose, 12. a first pressure gauge and 13. a second pressure gauge
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
The roll-over hydraulic control system of the rolling mill frame as shown in fig. 1 is provided with a roll-over oil cylinder 1, an oil inlet pipe 2 and an oil return pipe 3, wherein a piston rod of the roll-over oil cylinder 1 is connected with the rolling mill frame, one end of the oil inlet pipe 2 and one end of the oil return pipe 3 are connected with a hydraulic oil tank, the other end 3 of the oil inlet pipe 2 and the other end of the oil return pipe 3 are connected with a manual reversing valve 4, a first high-pressure ball valve 5 is arranged on the oil inlet pipe 2 between the oil inlet pipe 2 and the manual reversing valve 4, and a one-way valve 6 is arranged on the oil return.
And an oil path between the manual reversing valve 4 and the overturning oil cylinder 1 is sequentially provided with a one-way throttle valve 7, a balance valve 8 and a second high-pressure ball valve 9, and the second high-pressure ball valve 9 is respectively connected with a rod cavity and a rodless cavity of the overturning oil cylinder 1 through pipelines.
In order to detect the system pressure conveniently, a pressure measuring joint 10 is connected between the first high-pressure ball valve 5 and the manual reversing valve 4 on the oil inlet pipe 2, the pressure measuring joint 10 is connected with a first pressure gauge 12 through a pressure measuring hose 11, and a second pressure gauge 13 is connected between the balance valve 8 and the second high-pressure ball valve 9.
The utility model discloses a set up balanced valve 8 backs in the system, can carry out balanced regulation to the hydraulic oil pressure that gets into upset hydro-cylinder 1 effectively to ensured the steady operation of upset hydro-cylinder 1, prevented the impact effect that the frame upset in-process brought to upset hydro-cylinder 1.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (2)
1. The utility model provides a rolling mill frame upset hydraulic control system, has upset hydro-cylinder (1), oil inlet pipe (2) and return oil pipe (3) that the piston rod connects the frame, characterized by: the oil inlet pipe (2) and the oil return pipe (3) are connected with a manual reversing valve (4), a first high-pressure ball valve (5) is arranged on the oil inlet pipe (2) between the port of the oil inlet pipe (2) and the manual reversing valve (4), a one-way valve (6) is arranged on the oil return pipe (3) between the port of the oil return pipe (3) and the manual reversing valve (4), a one-way throttle valve (7), a balance valve (8) and a second high-pressure ball valve (9) are sequentially arranged on an oil way between the manual reversing valve (4) and a turnover oil cylinder (1), and the second high-pressure ball valve (9) is respectively connected with a rod cavity and a rodless cavity of the turnover oil cylinder (1) through pipelines.
2. The roll stand tilt hydraulic control system as claimed in claim 1, wherein: advance oil pipe (2) on lie in and be connected with pressure measurement joint (10) between first high pressure ball valve (5) and manual reversing valve (4), pressure measurement joint (10) are connected with first manometer (12) through pressure measurement hose (11), be connected with second manometer (13) between balanced valve (8) and second high pressure ball valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920893961.8U CN210033992U (en) | 2019-06-13 | 2019-06-13 | Rolling mill frame turnover hydraulic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920893961.8U CN210033992U (en) | 2019-06-13 | 2019-06-13 | Rolling mill frame turnover hydraulic control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210033992U true CN210033992U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920893961.8U Active CN210033992U (en) | 2019-06-13 | 2019-06-13 | Rolling mill frame turnover hydraulic control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210033992U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112009193A (en) * | 2020-09-11 | 2020-12-01 | 泰安航天特种车有限公司 | Anti adjustable oil gas suspension hydraulic system that heels |
-
2019
- 2019-06-13 CN CN201920893961.8U patent/CN210033992U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112009193A (en) * | 2020-09-11 | 2020-12-01 | 泰安航天特种车有限公司 | Anti adjustable oil gas suspension hydraulic system that heels |
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