CN116928169A - Self-locking type driving oil cylinder for driving steel ladle slide plate and self-locking method - Google Patents
Self-locking type driving oil cylinder for driving steel ladle slide plate and self-locking method Download PDFInfo
- Publication number
- CN116928169A CN116928169A CN202210333498.8A CN202210333498A CN116928169A CN 116928169 A CN116928169 A CN 116928169A CN 202210333498 A CN202210333498 A CN 202210333498A CN 116928169 A CN116928169 A CN 116928169A
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- Prior art keywords
- locking
- oil cylinder
- end cover
- slide plate
- self
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/14—Closures
- B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
- B22D41/38—Means for operating the sliding gate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1433—End caps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/26—Locking mechanisms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2215/00—Fluid-actuated devices for displacing a member from one position to another
- F15B2215/30—Constructional details thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Actuator (AREA)
Abstract
The application relates to a self-locking type driving oil cylinder for driving a steel ladle slide plate and a self-locking method, which are used for automatically locking by arranging a self-locking type assembly outside an end cover in the middle of the oil cylinder.
Description
Technical Field
The application relates to the field of metal metallurgy, in particular to a hydraulic driving oil cylinder with a self-locking function and a self-locking method for opening and closing a steel ladle bottom sliding plate, which are applied to the field of continuous casting steel.
Background
At present, the steel ladle slide plate driving of a large number of domestic ferrous metallurgy enterprises is changed into a hydraulic cylinder driving mode, the slide plate is driven to control the steel flow through the action of the hydraulic cylinder, and the design and installation of the driving hydraulic cylinder adopts a mode that a built-in hydraulic cylinder is overlapped at the end part of a common hydraulic cylinder of a continuous casting machine, so that the cylinder body of the driving hydraulic cylinder is fixed on a slide plate mechanism.
The design of the steel ladle turret sliding ring under the prior art is that each turret arm is provided with 3 hydraulic pipelines of pipelines, namely, 3 hydraulic pipe connectors are arranged, the left and right movement of a hydraulic cylinder piston is realized by controlling the oil inlet and outlet of the hydraulic pipe connectors of the largest 2 pipelines, so that the hydraulic cylinder piston drives the opening and closing actions of a steel ladle sliding plate, and a lock tongue is arranged on the hydraulic cylinder and used for locking and preventing the whole hydraulic cylinder on a sliding plate mechanism, and the extension of the lock tongue is realized after the oil inlet and outlet of the hydraulic pipe connector of the smallest pipeline is depressurized.
According to the design under the prior art, under the condition that the hydraulic cylinder is in long-time standby and is not used through long-term operation and feedback of a field worker, the lock tongue is in a free moving state due to the fact that the hydraulic cylinder is not in oil inlet and outlet pressure relief of a hydraulic pipe connecting port, the ladle turret rotates and shakes during working, the lock tongue is separated from an installation position, a balance arm of a suspension cylinder is thrown out to collide with peripheral equipment, equipment damage is caused, and even safety of operators is affected.
In view of the foregoing, there is a strong need for a novel driving cylinder and locking method for driving a ladle slide, which can automatically lock the cylinder when the cylinder is not in standby for a long time, prevent the cylinder from free/moving out, and ensure the safety of the ladle slide during the opening and closing process.
Disclosure of Invention
In order to solve the problems that a balance arm of a suspension cylinder is thrown out to collide with peripheral equipment or operators due to the fact that a lock tongue is free of oil inlet and outlet pressure relief of a hydraulic pipe connecting port under the condition that a driving cylinder for driving a ladle slide plate is not used for a long time in the prior art, and a mounting groove is slipped out in the process of opening and closing the ladle slide plate when the lock tongue of the hydraulic cylinder is in a free moving state, the application provides a self-locking driving cylinder for driving the ladle slide plate based on the original cylinder design under the condition of limiting on site.
The application relates to a self-locking type driving oil cylinder for driving a steel ladle slide plate and a self-locking method, and the concrete structure and the self-locking method are as follows:
the utility model provides a be used for ladle slide to drive with auto-lock formula actuating cylinder, includes slide thrust cylinder body, its characterized in that:
the sliding plate propulsion oil cylinder body is transversely arranged, one end of the sliding plate propulsion oil cylinder body is closed, the other end of the sliding plate propulsion oil cylinder body is open, and a first hydraulic oil inlet and a first hydraulic oil outlet are formed in the position below the inside of the closed end;
a pushing oil cylinder piston is arranged in the sliding plate pushing oil cylinder body, the pushing oil cylinder piston is connected with an oil cylinder piston rod, and the oil cylinder piston rod extends out of an opening at the other end of the sliding plate pushing oil cylinder body;
an oil cylinder middle end cover is fixedly arranged at the opening of the other end of the sliding plate pushing oil cylinder body, the oil cylinder middle end cover limits the working position of a pushing oil cylinder piston, and a second hydraulic oil inlet and outlet are formed in the lower position inside the sliding plate pushing oil cylinder body between the pushing oil cylinder piston and the oil cylinder middle end cover;
the middle end cover of the oil cylinder is provided with a self-locking assembly at the outer part thereof, and the self-locking assembly is used for automatically locking.
The self-locking type driving oil cylinder for driving the steel ladle slide plate is characterized by comprising a locking end cover, a locking spring and a locking piece, wherein the locking end cover is arranged on the outer side of an oil cylinder middle end cover through a fixing bolt, the outer diameter of the locking end cover is equal to that of a slide plate pushing oil cylinder body, the axial leads of the locking end cover and the sliding plate pushing oil cylinder body are coincident, two ends of the locking end cover are of an open type design, the locking end cover close to the oil cylinder middle end cover is internally provided with the locking spring, one end of the locking spring is connected with the outer side of the oil cylinder middle end cover, the other end of the locking spring is connected with one end of the locking piece, the other end of the locking piece extends out of the locking end cover, and the locking piece can move left and right on the locking end cover.
The self-locking driving oil cylinder for driving the steel ladle slide plate is characterized in that a locking piece of the self-locking assembly comprises a locking step and a locking tongue, wherein the locking step is connected with the locking tongue and is coaxial with the locking tongue, the diameter of the locking step is equal to the inner diameter of a locking end cover, the locking step is connected with a locking spring, the diameter of the locking tongue is equal to the aperture of an outer side outlet end of the locking end cover, the locking tongue extends out of the locking end cover, and a locking piece hydraulic oil inlet and outlet are formed in the locking end cover at a position close to the inner lower side of the outer side outlet end.
The self-locking driving oil cylinder for driving the steel ladle slide plate is characterized in that the first hydraulic oil inlet and outlet and the second hydraulic oil inlet and outlet control the left and right expansion of a piston of a pushing oil cylinder and a piston rod of the oil cylinder through oil inlet and oil outlet of the two hydraulic oil inlets and outlets, namely, the steel ladle slide plate connected with the piston rod of the oil cylinder is driven to be opened and closed.
The self-locking method for driving the steel ladle slide plate is based on the self-locking driving oil cylinder for driving the steel ladle slide plate, and comprises the following specific steps:
1) The thrust cylinder piston and the cylinder piston rod are arranged in the slide plate thrust cylinder body, and a cylinder middle end cover (4) is assembled;
2) Confirming the outer diameter of the sliding plate pushing oil cylinder body, installing a corresponding locking end cover on the outer side of the oil cylinder middle end cover through a fixing bolt, and installing a locking spring with one end connected with the outer side of the oil cylinder middle end cover and the other end connected with a locking step in the locking end cover;
3) In the step 2), the locking tongue connected with the locking step is confirmed to extend out of the locking end cover;
4) The whole slide plate pushing cylinder is inserted into a clamping groove of the ladle slide plate mechanism through a locking end cover, and the sliding of the whole slide plate pushing cylinder from the clamping groove is prevented through an extending locking tongue;
5) After confirming that the slide plate pushing cylinder is reliably fixed on the ladle slide plate mechanism, controlling the left and right expansion of the pushing cylinder piston and the cylinder piston rod through oil inlet and oil outlet of the first hydraulic oil inlet and outlet and the second hydraulic oil inlet and outlet, namely driving the opening and closing of the ladle slide plate connected with the cylinder piston rod;
6) When the ladle is transferred to a ladle receiving position after pouring, the locking spring is compressed through oil inlets and outlets of hydraulic oil of the locking piece, so that the locking tongue is retracted, and then the whole slide plate pushing oil cylinder is moved out of the ladle slide plate mechanism;
7) After the sliding plate pushing oil cylinder moves out and returns to the stop position clamping groove on the rotary table arm, the hydraulic oil is released through the hydraulic oil inlet and outlet of the locking piece, and the locking tongue is locked at the stop position clamping groove by the limiting of the locking spring.
The self-locking type driving oil cylinder for driving the steel ladle slide plate and the self-locking method are improved on the basis of the existing hydraulic oil cylinder by combining with the limiting conditions of field equipment, the oil cylinder standby state and the critical free state of the locking tongue in the working process are analyzed, the locking spring is additionally arranged to ensure the locking tongue to pop out for a long time, and meanwhile, the locking tongue can be retracted by pressurizing and compressing the locking spring through the hydraulic oil inlet and outlet of the locking piece, so that the self-locking purpose is achieved.
The self-locking type driving oil cylinder for driving the steel ladle slide plate and the self-locking method have the following beneficial effects:
1. the self-locking type driving oil cylinder for driving the steel ladle slide plate and the self-locking method make up for the unreliable factors existing in the locking by adopting the single oil pipe to control the locking device, and solve the problem that the steel flow cannot be controlled due to the fact that the oil cylinder is separated from the mounting groove in the actual use process;
2. the self-locking type driving oil cylinder and the self-locking method for driving the steel ladle slide plate have the advantages of simple structure and high locking reliability, and have good application effects on abnormal operations such as preventing the steel ladle flow from being out of control in continuous casting.
Drawings
FIG. 1 is a schematic diagram showing the specific structure of a device part of a self-locking type driving cylinder for driving a ladle slide plate and a self-locking method according to the present application
In the figure: 1-a slide plate pushing cylinder body, 1 a-a first hydraulic oil inlet and outlet, 2-a pushing cylinder piston, 3-a cylinder piston rod, 4-a cylinder middle end cover, 4 a-a second hydraulic oil inlet and outlet, the hydraulic oil inlet and outlet device comprises an A-self-locking type assembly, an A1-locking end cover, an A2-locking spring, an A3-locking piece, an A1 a-fixing bolt, an A3 a-locking step, an A3 b-locking tongue and an A3 c-locking piece hydraulic oil inlet and outlet.
Detailed Description
The technical means, creation characteristics, achievement purposes and effects achieved by the self-locking type driving oil cylinder for driving the steel ladle slide plate and the self-locking method are further described below with reference to the accompanying drawings and embodiments.
As shown in fig. 1, a self-locking driving oil cylinder for driving a ladle slide plate comprises a slide plate pushing oil cylinder body 1, wherein one end of the slide plate pushing oil cylinder body is closed, the other end of the slide plate pushing oil cylinder body is open, and a first hydraulic oil inlet and outlet 1a is formed in the position below the inner part of the closed end;
a pushing cylinder piston 2 is arranged in the sliding plate pushing cylinder body, the pushing cylinder piston is connected with a cylinder piston rod 3, and the cylinder piston rod extends out of an opening at the other end of the sliding plate pushing cylinder body;
an oil cylinder middle end cover 4 is fixedly arranged at the opening of the other end of the sliding plate pushing oil cylinder body, the oil cylinder middle end cover limits the working position of a pushing oil cylinder piston, and a second hydraulic oil inlet and outlet 4a is formed in the lower position inside the sliding plate pushing oil cylinder body between the pushing oil cylinder piston and the oil cylinder middle end cover;
the middle end cover 4 of the oil cylinder is provided with a self-locking assembly A at the outer part thereof, and is automatically locked by the self-locking assembly.
The self-locking assembly A comprises a locking end cover A1, a locking spring A2 and a locking piece A3, wherein the locking end cover is arranged on the outer side of an oil cylinder middle end cover 4 through a fixing bolt A1a, the outer diameter of the locking end cover is equal to that of a sliding plate pushing oil cylinder body, the axial leads of the locking end cover and the sliding plate pushing oil cylinder body are coincident, two ends of the locking end cover are of an open type design, the locking end cover, which is close to the oil cylinder middle end cover, is internally provided with the locking spring, one end of the locking spring is connected with the outer side of the oil cylinder middle end cover, the other end of the locking spring is connected with one end of the locking piece, the other end of the locking piece extends out of the locking end cover, and the locking piece can move left and right on the locking end cover.
The locking piece A3 of the self-locking assembly A comprises a locking step A3a and a locking tongue A3b, wherein the locking step and the locking tongue are connected and coaxial, the diameter of the locking step is equal to the inner diameter of a locking end cover A1, the locking step is connected with a locking spring A2, the diameter of the locking tongue is equal to the aperture of the outer side outlet end of the locking end cover, the locking tongue extends out of the locking end cover, and a locking piece hydraulic oil inlet and outlet A3c is formed in the position, close to the inner lower side of the outer side outlet end, of the locking end cover.
The first hydraulic oil inlet and outlet 1a and the second hydraulic oil inlet and outlet 4a control the left and right expansion of the pushing cylinder piston 2 and the cylinder piston rod 3 through oil inlet and oil outlet of the two hydraulic oil inlets and outlets, namely, the opening and closing of a ladle slide plate connected with the cylinder piston rod is driven.
Examples
The application relates to a self-locking type driving oil cylinder for driving a steel ladle slide plate and a self-locking method, which specifically comprise the following steps:
1) The thrust cylinder piston 2 and the cylinder piston rod 3 are installed in the slide thrust cylinder body 1, and a cylinder middle end cover 4 is assembled;
2) Confirming the outer diameter of a sliding plate pushing oil cylinder body, installing a corresponding locking end cover A1 on the outer side of an oil cylinder middle end cover through a fixing bolt A1a, and installing a locking spring A2 with one end connected with the outer side of the oil cylinder middle end cover and the other end connected with a locking step A3a in the locking end cover;
3) In the step 2), the locking tongue A3b connected with the locking step is confirmed to extend out of the locking end cover;
4) The whole slide plate pushing cylinder is inserted into a clamping groove of the ladle slide plate mechanism through a locking end cover, and the sliding of the whole slide plate pushing cylinder from the clamping groove is prevented through an extending locking tongue;
5) After confirming that the slide plate pushing cylinder is reliably fixed on the ladle slide plate mechanism, controlling the left and right expansion of the pushing cylinder piston 2 and the cylinder piston rod 3 through oil inlet and outlet of the first hydraulic oil inlet and outlet 1a and the second hydraulic oil inlet and outlet 4a, namely driving the opening and closing of the ladle slide plate connected with the cylinder piston rod;
6) When the ladle is transferred to a ladle receiving position after the ladle is poured, the locking spring is compressed by the oil inlet of the hydraulic oil inlet and outlet A3c of the locking piece, so that the locking tongue is retracted, and then the whole slide plate pushing oil cylinder is moved out of the ladle slide plate mechanism;
7) After the sliding plate pushing oil cylinder moves out and returns to the stop position clamping groove on the rotary table arm, the hydraulic oil is released through the hydraulic oil inlet and outlet of the locking piece, and the locking tongue is locked at the stop position clamping groove by the limiting of the locking spring.
The self-locking type driving oil cylinder for driving the steel ladle slide plate and the self-locking method make up for the unreliable factors existing in the locking by adopting the single oil pipe to control the locking device, and solve the problem that the steel flow cannot be controlled due to the fact that the oil cylinder is separated from the mounting groove in the actual use process; the application has simple structure and high locking reliability, and obtains good application effect on abnormal operations such as preventing the steel flow of the steel ladle from being out of control in continuous casting.
However, it will be appreciated by persons skilled in the art that the above embodiments are provided for illustration of the application and not for limitation thereof, and that variations and modifications of the above described embodiments are intended to fall within the scope of the claims of the application as long as they fall within the true spirit of the application.
Claims (5)
1. The utility model provides a be used for ladle slide to drive with auto-lock formula actuating cylinder, includes slide thrust cylinder body (1), its characterized in that:
the sliding plate propulsion oil cylinder body (1) is transversely arranged, one end of the sliding plate propulsion oil cylinder body is closed, the other end of the sliding plate propulsion oil cylinder body is open, and a first hydraulic oil inlet and outlet (1 a) is formed in the position below the inside of the closed end;
a pushing oil cylinder piston (2) is arranged in the sliding plate pushing oil cylinder body (1), the pushing oil cylinder piston is connected with an oil cylinder piston rod (3), and the oil cylinder piston rod extends out of an opening at the other end of the sliding plate pushing oil cylinder body;
an oil cylinder middle end cover (4) is fixedly arranged at the opening of the other end of the sliding plate pushing oil cylinder body (1), the oil cylinder middle end cover limits the working position of a pushing oil cylinder piston, and a second hydraulic oil inlet and outlet (4 a) is formed in the lower position inside the sliding plate pushing oil cylinder body between the pushing oil cylinder piston and the oil cylinder middle end cover;
the middle end cover (4) of the oil cylinder is provided with a self-locking assembly (A) at the outer part thereof, and the self-locking assembly is used for automatically locking.
2. The self-locking driving cylinder for driving a steel ladle slide plate according to claim 1, wherein the self-locking assembly (a) comprises a locking end cover (A1), a locking spring (A2) and a locking piece (A3), wherein the locking end cover is arranged on the outer side of a cylinder middle end cover (4) through a fixing bolt (A1 a), the outer diameter of the locking end cover is equal to that of a slide plate pushing cylinder body (1) and the axis line of the locking end cover coincides with that of the slide plate pushing cylinder body, two ends of the locking end cover are designed in an opening way, the locking spring is arranged inside the locking end cover which is close to the cylinder middle end cover, one end of the locking spring is connected with the outer side of the cylinder middle end cover, the other end of the locking spring is connected with one end of the locking piece, the other end of the locking piece extends out of the locking end cover, and the locking piece can move left and right on the locking end cover.
3. A self-locking type driving cylinder for driving a ladle slide as claimed in claim 2, wherein the locking member (A3) of the self-locking type assembly (a) comprises a locking step (A3 a) and a locking tongue (A3 b), wherein the locking step and the locking tongue are connected and coaxial, the diameter of the locking step is equal to the inner diameter of the locking end cap (A1), the locking step is connected with the locking spring (A2), the diameter of the locking tongue is equal to the aperture of the outer outlet end of the locking end cap, the locking tongue extends out of the locking end cap, and the locking end cap is provided with a locking member hydraulic oil inlet and outlet (A3 c) at a position near the inner lower part of the outer outlet end.
4. The self-locking type driving oil cylinder for driving the steel ladle slide plate according to claim 1, wherein the first hydraulic oil inlet and outlet (1 a) and the second hydraulic oil inlet and outlet (4 a) control the left and right expansion and contraction of the pushing oil cylinder piston (2) and the oil cylinder piston rod (3) through oil inlet and oil outlet of the two hydraulic oil inlets and outlets, namely, the opening and closing of the steel ladle slide plate connected with the oil cylinder piston rod is driven.
5. A self-locking method for driving a steel ladle slide plate, which is based on any one of the above claims, and comprises the following specific steps:
1) installing a thrust cylinder piston (2) and a cylinder piston rod (3) into a slide plate thrust cylinder body (1), and assembling a cylinder middle end cover (4);
2) The outer diameter of the sliding plate pushing oil cylinder body is confirmed, a corresponding locking end cover (A1) is arranged on the outer side of the oil cylinder middle end cover through a fixing bolt (A1 a), a locking spring (A2) with one end connected with the outer side of the oil cylinder middle end cover and the other end connected with a locking step (A3 a) is assembled in the locking end cover;
3) In the step 2), a locking tongue (A3 b) connected with the locking step is confirmed to extend out of the locking end cover;
4) The whole slide plate pushing cylinder is inserted into a clamping groove of the ladle slide plate mechanism through a locking end cover, and the sliding of the whole slide plate pushing cylinder from the clamping groove is prevented through an extending locking tongue;
5) After confirming that the slide plate pushing cylinder is reliably fixed on the ladle slide plate mechanism, controlling left and right expansion of the pushing cylinder piston (2) and the cylinder piston rod (3) through oil inlet and outlet of the first hydraulic oil inlet and outlet (1 a) and the second hydraulic oil inlet and outlet (4 a), namely, driving the opening and closing of the ladle slide plate connected with the cylinder piston rod;
6) When the ladle is transferred to a ladle receiving position after the ladle is poured, the locking spring is compressed through oil inlet and outlet (A3 c) of hydraulic oil of the locking piece, so that the locking tongue is retracted, and then the whole slide plate pushing oil cylinder is moved out of the ladle slide plate mechanism;
7) After the sliding plate pushing oil cylinder moves out and returns to the stop position clamping groove on the rotary table arm, the hydraulic oil is released through the hydraulic oil inlet and outlet of the locking piece, and the locking tongue is locked at the stop position clamping groove by the limiting of the locking spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210333498.8A CN116928169A (en) | 2022-03-31 | 2022-03-31 | Self-locking type driving oil cylinder for driving steel ladle slide plate and self-locking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210333498.8A CN116928169A (en) | 2022-03-31 | 2022-03-31 | Self-locking type driving oil cylinder for driving steel ladle slide plate and self-locking method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116928169A true CN116928169A (en) | 2023-10-24 |
Family
ID=88391074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210333498.8A Pending CN116928169A (en) | 2022-03-31 | 2022-03-31 | Self-locking type driving oil cylinder for driving steel ladle slide plate and self-locking method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116928169A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2499615Y (en) * | 2001-10-11 | 2002-07-10 | 邯郸钢铁股份有限公司 | Hydraulic locking cylinder capable of regulating locking force |
| CN201461596U (en) * | 2009-04-13 | 2010-05-12 | 昆明理工大学 | A hydraulic cylinder with a locking device |
| CN201636130U (en) * | 2010-03-10 | 2010-11-17 | 无锡市长江液压缸厂 | Dual self-locking hydraulic cylinder |
| CN102395437A (en) * | 2009-02-18 | 2012-03-28 | 维苏威集团有限公司 | Drive device of a regulation valve for casting liquid metal |
| CN202531543U (en) * | 2012-02-27 | 2012-11-14 | 宜都市西孚机械有限公司 | Automatic locking device for hydraulic cylinder |
| WO2012160287A1 (en) * | 2011-05-25 | 2012-11-29 | Peugeot Citroen Automobiles Sa | Device for translatably controlling the movement of a gear change fork for a motor vehicle gearbox |
| CN113618056A (en) * | 2021-08-13 | 2021-11-09 | 广东韶钢松山股份有限公司 | Anti-loosening device for sliding plate oil cylinder of molten steel tank and control method |
-
2022
- 2022-03-31 CN CN202210333498.8A patent/CN116928169A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2499615Y (en) * | 2001-10-11 | 2002-07-10 | 邯郸钢铁股份有限公司 | Hydraulic locking cylinder capable of regulating locking force |
| CN102395437A (en) * | 2009-02-18 | 2012-03-28 | 维苏威集团有限公司 | Drive device of a regulation valve for casting liquid metal |
| CN201461596U (en) * | 2009-04-13 | 2010-05-12 | 昆明理工大学 | A hydraulic cylinder with a locking device |
| CN201636130U (en) * | 2010-03-10 | 2010-11-17 | 无锡市长江液压缸厂 | Dual self-locking hydraulic cylinder |
| WO2012160287A1 (en) * | 2011-05-25 | 2012-11-29 | Peugeot Citroen Automobiles Sa | Device for translatably controlling the movement of a gear change fork for a motor vehicle gearbox |
| CN202531543U (en) * | 2012-02-27 | 2012-11-14 | 宜都市西孚机械有限公司 | Automatic locking device for hydraulic cylinder |
| CN113618056A (en) * | 2021-08-13 | 2021-11-09 | 广东韶钢松山股份有限公司 | Anti-loosening device for sliding plate oil cylinder of molten steel tank and control method |
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