CN212672133U - Steel ladle accident rotary control valve group - Google Patents
Steel ladle accident rotary control valve group Download PDFInfo
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- CN212672133U CN212672133U CN202020893856.7U CN202020893856U CN212672133U CN 212672133 U CN212672133 U CN 212672133U CN 202020893856 U CN202020893856 U CN 202020893856U CN 212672133 U CN212672133 U CN 212672133U
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- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The utility model relates to a ladle accident gyration control valves belongs to metallurgical industry continuous casting equipment technical field. The technical scheme is as follows: the front surface of the integrated block (1) is provided with a left pile and a right pile of hydraulic valves, the uppermost of the left pile is provided with a manual motor reversing valve (2), the middle is provided with a superposed one-way throttle valve (4), the lower part is provided with an overflow valve (5), the upper part of the right pile is provided with a manual clutch reversing valve (6), and the lower part is provided with a pressure reducing valve (8); a pressure oil pipe joint (3), an oil return pipe joint (11) and a leakage oil pipe joint (12) are arranged below the integrated block (1); the back of the manifold block (1) is provided with a lower flange (13), an upper flange (14) and a clutch control oil pipe joint (15). The utility model has the advantages that: the ladle turret can be rotated in an accident state, and major production accidents are avoided. The phenomenon that the ladle turret cannot be driven due to the fact that a hydraulic valve cannot work flexibly is avoided when the ladle turret is electrically powered off or burnt down in an accident state.
Description
Technical Field
The utility model relates to a ladle accident gyration control valves belongs to metallurgical industry continuous casting equipment technical field.
Background
The ladle turret is an important device in a continuous casting machine, and has the functions of receiving a ladle filled with molten steel from a steel-making bay, transferring the ladle to a continuous casting bay pouring position for pouring, and rotationally transferring an empty ladle back to the steel-making bay after pouring. The ladle turret is driven by a speed reducer, one side connected with two input shafts of the speed reducer is provided with a motor, and when the ladle turret normally works, the speed reducer is driven by the motor and is normally driven. The other side input end of the speed reducer is connected with the hydraulic motor, and when the main power supply or the motor equipment of the whole plant breaks down, the hydraulic motor drives the speed reducer to drive by the hydraulic energy stored in the hydraulic system energy accumulator, and the driving is accident driving. The prior steel ladle accident rotating device has the following problems: the control of a hydraulic clutch in the ladle accident rotary control valve group adopts electrical control or hydraulic control, and an electrical system is often burnt out and cannot use electrical control when a ladle rotary table is in an accident state; or the hydraulic valve is not used for a long time, the valve core is blocked, the hydraulic clutch cannot be operated to realize accident driving, and the accident rotation of the steel ladle cannot achieve the preset purpose.
The hydraulic motor is driven to rotate when the ladle turret normally rotates, and the hydraulic motor is driven to rotate at a high speed for a long time, so that the service life of the hydraulic motor is shortened, and the reliability of accident driving is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a ladle accident gyration valves can improve the reliability of ladle accident gyration, solves the problem that exists among the background art.
The technical scheme of the utility model is that:
a steel ladle accident rotary control valve group comprises an integrated block, a manual motor reversing valve, a pressure oil pipe joint, a stacked one-way throttle valve, an overflow valve, a manual clutch reversing valve, a pressure reducing valve, a hydraulic clutch, a hydraulic motor, an oil return pipe joint, a leakage oil pipe joint, a lower flange, an upper flange and a clutch control oil pipe joint, wherein the front surface of the integrated block is provided with a left hydraulic valve and a right hydraulic valve; a pressure oil pipe joint, an oil return pipe joint and a leakage oil pipe joint are arranged below the integrated block, the pressure oil pipe joint is connected with a pressure oil pipeline of a hydraulic system, pressure oil entering from the pressure oil pipe joint enters a hydraulic clutch through a pressure reducing valve and a manual clutch reversing valve, the oil return pipe joint is connected with the oil return pipeline, and the leakage oil pipe joint is connected with an oil drainage pipeline; the back of the integrated block is provided with a lower flange, an upper flange and a clutch control oil pipe joint, pressure oil entering from the pressure oil pipe joint enters a left oil port of a hydraulic motor through a hydraulic pipeline connected with the upper flange through a manual motor reversing valve, a superposition type one-way throttle valve and an overflow valve, the pressure oil enters a right oil port of the hydraulic motor through the hydraulic pipeline connected with the lower flange, hydraulic oil of the right oil port of the hydraulic motor flows back to an oil tank through the overflow valve, the superposition type one-way throttle valve, the manual motor reversing valve, an oil return pipe joint and an oil return pipeline, and the clutch control oil pipe joint is connected with a hydraulic clutch through the hydraulic pipeline.
And the hydraulic motor is connected with a coupler of the ladle turret speed reducer.
The hydraulic motor is in driving connection with the ladle turret.
And the manual motor reversing valve and the manual clutch reversing valve are both provided with operating handles.
The utility model has the advantages that: the ladle turret is rotated in an accident state by operating the manual motor reversing valve and the manual clutch reversing valve, so that major production accidents are avoided, and the ladle turret is safe and reliable. The phenomenon that the revolving platform cannot be driven by the accident revolving of the ladle caused by the inflexible operation of the hydraulic valve due to the fact that the ladle revolving platform is electrically powered off or burnt down in the accident state is avoided.
Drawings
FIG. 1 is a perspective view of a steel ladle accident rotary control valve set of the present invention;
FIG. 2 is a front view of the steel ladle accident rotary control valve set of the present invention;
FIG. 3 is a rear view of the steel ladle accident rotary control valve set of the present invention;
FIG. 4 is a left side view of the steel ladle accident rotary control valve set of the present invention;
FIG. 5 is a bottom view of the steel ladle accident rotary control valve set of the present invention;
FIG. 6 is a top view of the steel ladle accident rotary control valve set of the present invention;
FIG. 7 is a hydraulic schematic diagram of the steel ladle accident rotary control valve of the utility model;
in the figure: the device comprises an integrated block 1, a manual motor reversing valve 2, a pressure oil pipe joint 3, a superposition type one-way throttle valve 4, an overflow valve 5, a manual clutch reversing valve 6, a coupler 7, a pressure reducing valve 8, a hydraulic clutch 9, a hydraulic motor 10, an oil return pipe joint 11, a leakage oil pipe joint 12, a lower flange 13, an upper flange 14, a clutch control oil pipe joint 15 and a steel ladle accident rotary control valve group 16.
Detailed Description
The invention will be further explained by way of example with reference to the accompanying drawings.
Referring to the attached drawings 1-7, a steel ladle accident rotary control valve group comprises an integrated block 1, a manual motor reversing valve 2, a pressure oil pipe joint 3, a stacked one-way throttle valve 4, an overflow valve 5, a manual clutch reversing valve 6, a pressure reducing valve 8, a hydraulic clutch 9, a hydraulic motor 10, an oil return pipe joint 11, a leakage oil pipe joint 12, a lower flange 13, an upper flange 14 and a clutch control oil pipe joint 15, wherein the front surface of the integrated block 1 is provided with a left hydraulic valve and a right hydraulic valve, the uppermost surface of the left stack is the manual motor reversing valve 2, the stacked one-way throttle valve 4 is arranged in the middle, the overflow valve 5 is arranged below, the manual clutch reversing valve 6 is arranged above the right stack, and the pressure reducing valve 8 is arranged below the left stack; a pressure oil pipe joint 3, an oil return pipe joint 11 and a leakage oil pipe joint 12 are arranged below the integrated block 1, the pressure oil pipe joint 3 is connected with a pressure oil pipeline of a hydraulic system, pressure oil entering from the pressure oil pipe joint 3 enters a hydraulic clutch 9 through a pressure reducing valve 8 and a manual clutch reversing valve 6, the oil return pipe joint 11 is connected with an oil return pipeline, and the leakage oil pipe joint 12 is connected with an oil drainage pipeline; the back of the integrated block 1 is provided with a lower flange 13, an upper flange 14 and a clutch control oil pipe joint 15, pressure oil entering from the pressure oil pipe joint 3 enters a left oil port of the hydraulic motor 10 through a hydraulic pipeline connected with the upper flange 14, a manual motor reversing valve 2, a superposition type one-way throttle valve 4 and an overflow valve 5, the pressure oil is connected with a right oil port of the hydraulic motor 10 through the hydraulic pipeline connected with the lower flange 13, hydraulic oil of the right oil port of the hydraulic motor 10 flows back to an oil tank through the overflow valve 5, the superposition type one-way throttle valve 4, the manual motor reversing valve 2, an oil return pipe joint 11 and an oil return pipeline, and the clutch control oil pipe joint 15 is connected with a hydraulic clutch 9 through the hydraulic pipeline.
In the present embodiment, the types and specifications of the hydraulic components in the ladle accident swing control valve group 16 are as follows:
manual motor reversing valve 2 DG17V4-016C-10
Pressure oil pipe joint 3 JB 966-7728/M33X 2
Superimposed one-way throttle valve 4 DGMFN-5-X-A2W-B2W-30
Manual clutch reversing valve 6 DG17V-3-6C-60
Oil return pipe joint 11 JB 966-7728/M33X 2
Leakage oil pipe joint 12 MC-JB 96618/22X 1.5
Lower flange 1H-SFS 600330X 4
Upper flange 14H-SFS 600330X 4
Clutch control oil pipe connector 15 MC-JB 96616/22X 1.5
The overflow valve 5 has the functions of pressure limiting and overflow and has a safety function. Adjusting the throttle handle of the superposed one-way throttle valve 4 can adjust the speed of the ladle turret in the clockwise direction and the anticlockwise direction. The manual motor reversing valve 2 and the manual clutch reversing valve 6 are both provided with operating handles.
FIG. 7 is a hydraulic schematic diagram of a ladle accident rotary control valve, wherein MA, MB and ML are pressure measuring points, P is a pressure oil pipe, T is an oil return pipe, and L is an oil drain pipe.
The working process of the ladle accident rotary control valve group 16 is as follows:
1. standby state
When the ladle accident rotary control valve group 16 is in a standby state, the operating handles of the manual clutch reversing valve 6 and the manual motor reversing valve 2 are in a middle position, hydraulic oil in the hydraulic clutch 9 flows back to an oil tank through the manual clutch reversing valve 6, the leakage oil pipe joint 12 on the manifold block 1 and the leakage oil pipe, and a left oil port and a right oil port of a hydraulic motor 10 hand are connected with an oil return pipeline connected with the oil return pipe joint 11 through hydraulic pipelines and the motor reversing valve 2. Neither the hydraulic motor 10 nor the hydraulic clutch 9 is operated.
2. Working state
When the ladle turret is in an accident state, a post operator firstly pulls a handle of a manual clutch reversing valve 6 to an a end, pressure oil entering from a pressure oil pipe joint 3 of an integrated block 1 enters a hydraulic clutch 9 through a pressure reducing valve 8 and the manual clutch reversing valve 6, the hydraulic clutch 9 enables a hydraulic motor 10 to be connected with a coupler 7 of a speed reducer, the post operator pulls the handle of a manual motor reversing valve 2 to a c end, the pressure oil entering from the pressure oil pipe joint 3 of the integrated block 1 enters a left oil port of the hydraulic motor 10 through the manual motor reversing valve 2, a superposition type one-way throttle valve 4 and an overflow valve 5, and drives the hydraulic motor 10 to drive the ladle turret to rotate, the hydraulic oil of the right oil port of the hydraulic motor 10 flows back to the oil tank through the overflow valve 5, the superposed one-way throttle valve 4, the manual motor reversing valve 2, the oil return pipe joint 11 of the manifold block 1 and the oil return pipeline connected with the manifold block. When the ladle turret rotates to a safe position, a post operator loosens the handle of the manual motor reversing valve 2 to enable the handle to be in a middle position, and loosens the handle of the manual clutch reversing valve 6 to enable the handle to be in the middle position, so that the ladle accident rotation operation is finished.
Claims (4)
1. The utility model provides a ladle accident gyration valve unit which characterized in that: the hydraulic control system comprises an integrated block (1), a manual motor reversing valve (2), a pressure oil pipe joint (3), a stacked one-way throttle valve (4), an overflow valve (5), a manual clutch reversing valve (6), a pressure reducing valve (8), a hydraulic clutch (9), a hydraulic motor (10), an oil return pipe joint (11), a leakage oil pipe joint (12), a lower flange (13), an upper flange (14) and a clutch control oil pipe joint (15), wherein the front surface of the integrated block (1) is provided with a left hydraulic valve stack and a right hydraulic valve stack, the uppermost surface of the left stack is the manual motor reversing valve (2), the middle part is the stacked one-way throttle valve (4), the lower part is the overflow valve (5), the upper surface of the right stack is the manual clutch reversing valve (6), and the lower part is the pressure; a pressure oil pipe joint (3), an oil return pipe joint (11) and a leakage oil pipe joint (12) are arranged below the integrated block (1), the pressure oil pipe joint (3) is connected with a pressure oil pipeline of a hydraulic system, pressure oil entering from the pressure oil pipe joint (3) enters a hydraulic clutch (9) through a pressure reducing valve (8) and a manual clutch reversing valve (6), the oil return pipe joint (11) is connected with the oil return pipeline, and the leakage oil pipe joint (12) is connected with an oil drainage pipeline;
the back of the integrated block (1) is provided with a lower flange (13), an upper flange (14) and a clutch control oil pipe joint (15), pressure oil entering from a pressure oil pipe joint (3) enters a left oil port of a hydraulic motor (10) through a hydraulic pipeline connected with the upper flange (14) through a manual motor reversing valve (2), a superposed one-way throttle valve (4) and an overflow valve (5), the pressure oil is connected with a right oil port of the hydraulic motor (10) through the hydraulic pipeline connected with the lower flange (13), hydraulic oil of the right oil port of the hydraulic motor (10) flows back to an oil tank through the overflow valve (5), the superposed one-way throttle valve (4), the manual motor reversing valve (2), an oil return pipe joint (11) and an oil return pipeline, and the clutch control oil pipe joint (15) is connected with a hydraulic clutch (9) through the hydraulic pipeline.
2. The ladle accident swing control valve block as defined in claim 1, wherein: and the hydraulic motor (10) is connected with a coupler of the speed reducer of the ladle turret.
3. The ladle accident swing control valve block as defined in claim 1 or 2, wherein: the hydraulic motor (10) is in driving connection with the ladle turret.
4. The ladle accident swing control valve block as defined in claim 1, wherein: and the manual motor reversing valve (2) and the manual clutch reversing valve (6) are both provided with operating handles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020893856.7U CN212672133U (en) | 2020-05-25 | 2020-05-25 | Steel ladle accident rotary control valve group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020893856.7U CN212672133U (en) | 2020-05-25 | 2020-05-25 | Steel ladle accident rotary control valve group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212672133U true CN212672133U (en) | 2021-03-09 |
Family
ID=74811838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020893856.7U Active CN212672133U (en) | 2020-05-25 | 2020-05-25 | Steel ladle accident rotary control valve group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212672133U (en) |
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2020
- 2020-05-25 CN CN202020893856.7U patent/CN212672133U/en active Active
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