CN108728604B - Hydraulic driven sublance rotating device - Google Patents
Hydraulic driven sublance rotating device Download PDFInfo
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- CN108728604B CN108728604B CN201810544721.7A CN201810544721A CN108728604B CN 108728604 B CN108728604 B CN 108728604B CN 201810544721 A CN201810544721 A CN 201810544721A CN 108728604 B CN108728604 B CN 108728604B
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- piston rod
- hydraulic cylinder
- sublance
- displacement sensor
- proportional valve
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4606—Lances or injectors
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- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Actuator (AREA)
- Manipulator (AREA)
Abstract
The invention relates to a hydraulic-driven sublance rotating device, which comprises a rotating frame, a hydraulic cylinder, a servo proportional valve, a displacement sensor and a simulation position controller, wherein the hydraulic cylinder is arranged on a lower platform, the servo proportional valve is used for controlling the telescopic reversing and the telescopic speed of a piston rod of the hydraulic cylinder, the displacement sensor is used for detecting the real-time position of the piston rod of the hydraulic cylinder, and the simulation position controller is respectively connected with the servo proportional valve and the displacement sensor; the simulation position controller receives a real-time position signal of the piston rod uploaded by the displacement sensor, compares preset working position monitoring points and standby position monitoring points, adjusts the extension and retraction of the piston rod through the servo proportional valve, and then drives the rotary frame to switch between the working position and the standby position through the support. The device has the advantages of simple structure, small load, low cost and high position precision.
Description
Technical Field
The invention belongs to the field of converter steelmaking, and particularly relates to a hydraulically-driven sublance rotating device.
Background
The converter sublance system is key equipment for automatic steelmaking of a converter, has the functions of measuring temperature, sampling, determining oxygen, determining carbon, determining liquid level height and the like, and is important detection equipment and a process control tool which are indispensable in a modern converter workshop. During smelting, the sublance mainly comprises three actions of inserting a sublance probe into the liquid level of molten steel to perform measurement action, then lifting the sublance probe above the converter mouth, switching between a working position and a standby position, and replacing the sublance probe.
In the prior sublance equipment of the domestic steel mill, a sublance rotates driven by a motor, is arranged on a rotating frame and rotates along with the sublance frame, the rotating frame bears the load of the motor, equipment such as accessories and the like, and a hole is required to be formed in a platform beam to install a rotating main shaft and related equipment, so that the design is more complex, the weight of the equipment is larger, the platform load is increased accordingly, and the design cost is higher.
Disclosure of Invention
The invention aims to provide a hydraulically-driven sublance rotating device which is simple in structure, convenient to install, small in load, low in cost and high in position precision.
The technical scheme adopted by the invention is as follows:
a hydraulic drive sublance rotating device comprises a rotating frame, a hydraulic cylinder arranged on a lower platform, a servo proportional valve used for controlling the extension and reversing of a piston rod of the hydraulic cylinder and the extension speed, a displacement sensor used for detecting the real-time position of the piston rod of the hydraulic cylinder, and a simulation position controller respectively connected with the servo proportional valve and the displacement sensor, wherein the rotating frame comprises a lifting track, an upper arm and a lower arm which are fixed into a whole; the simulation position controller receives a real-time position signal of the piston rod uploaded by the displacement sensor, compares preset working position monitoring points and standby position monitoring points, adjusts the extension and retraction of the piston rod through the servo proportional valve, and then drives the rotary frame to switch between the working position and the standby position through the support.
Further, the end of upper arm and underarm all is equipped with the rotary drum body, and equal rotatable the installing rotation axis on upper platform and the lower platform all is equipped with the bearing between rotation axis and upper platform and the lower platform, and the rotary drum body cooperation cover is on the rotation axis and with rotatory pivot pin connection.
Furthermore, two oil paths connected with two cavities of the hydraulic cylinder are respectively provided with an overhaul ball valve and a high-pressure rubber hose, and are matched with a double-hydraulic-control one-way valve.
Furthermore, the piston rod is hinged with the support through a pin shaft, and self-lubricating bearings are arranged at the matching positions of the piston rod, the support and the pin shaft.
Furthermore, the lifting track, the upper arm and the lower arm are made of profile steel which is welded with each other.
Further, all be equipped with the strengthening rib between lift track and upper arm and the underarm.
The invention has the beneficial effects that:
the device is driven to rotate by the hydraulic cylinder, the structure is simple, the installation is convenient, the hydraulic cylinder is installed on the lower platform and does not rotate along with the rotating frame, the load is small, the cost is low, the combined action of the position controller, the servo proportional valve and the displacement sensor is simulated, the rotating frame is switched in place, and the position precision is high.
Drawings
Fig. 1 is a schematic view of a mechanical part in an embodiment of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a hydraulic schematic of a hydraulic cylinder in an embodiment of the present invention.
1-lifting a rail; 2-upper arm; 3-lower arm; 4-upper platform; 5-a lower platform; 6-reinforcing ribs; 7-rotating the cylinder; 8-a rotating shaft; 9-a pin shaft; 10-a hydraulic cylinder; 11-a scaffold; 12-a hydraulic cylinder support; 13-servo proportional valve; 14-double hydraulic control one-way valve; 15-maintenance of ball valves; 16-high pressure rubber hose; 17-analog position controller.
Detailed Description
The invention is further described below with reference to the figures and examples.
As shown in figures 1 to 3, a hydraulic driven sublance rotating device comprises a rotating frame, a hydraulic cylinder 10 arranged on a lower platform 5, and a servo proportional valve 13 for controlling the piston rod of the hydraulic cylinder 10 to stretch and reverse and the stretching speed (the working principle of the servo proportional valve 13 is 1, when an electromagnet a is electrified for direction control, a valve core is positioned at the left side, a piston rod of the hydraulic cylinder 10 extends out to push the rotating frame and the sublance to rotate to a working position, when an electromagnet b is electrified, the valve core is positioned at the right side, a piston rod of the hydraulic cylinder 10 retracts to push the rotating frame and the sublance to rotate to a standby position, 2, when the input current or voltage is increased for speed control, the opening degree of the valve core is increased to increase the flow rate of the passing oil, the action speed of the piston rod of the corresponding hydraulic cylinder 10 is increased, when the input current or voltage is reduced, the opening degree of the valve core, the action speed of a piston rod of a corresponding hydraulic cylinder 10 is reduced), a displacement sensor for detecting the real-time position of the piston rod of the hydraulic cylinder 10, and a simulation position controller 17 connected with a servo proportional valve 13 and the displacement sensor respectively, wherein a rotating frame comprises a lifting track 1, an upper arm 2 and a lower arm 3 which are fixed into a whole, the upper arm 2 and the lower arm 3 are respectively and rotatably arranged on an upper platform 4 and a lower platform 5, the rotating axes of the upper arm and the lower arm coincide, a support 11 is fixed on the lower arm 3, and the piston rod of the hydraulic cylinder 10 is hinged with the support 11; the analog position controller 17 compares preset working position monitoring points and standby position monitoring points after receiving a piston rod real-time position signal uploaded by the displacement sensor, adjusts the extension and retraction of the piston rod through the servo proportional valve 13, and then drives the rotary frame to switch between the working position and the standby position through the support 11. The device is driven to rotate by the hydraulic cylinder 10, the structure is simple, the installation is convenient, the hydraulic cylinder 10 is installed on the lower platform 5 and does not rotate along with the rotating frame, the load is small, the cost is low, the simulation position controller 17, the servo proportional valve 13 and the displacement sensor jointly act, the rotating frame is switched in place, and the position precision is high.
As shown in fig. 1, in this embodiment, the ends of the upper arm 2 and the lower arm 3 are both provided with a rotating cylinder 7, the upper platform 4 and the lower platform 5 are both rotatably provided with a rotating shaft 8, bearings are arranged between the rotating shaft 8 and the upper platform 4 and between the rotating shaft 8 and the lower platform 5, and the rotating cylinder 7 is fittingly sleeved on the rotating shaft 8 and is in pin connection with the rotating shaft 8. The acting force is concentrated on the rotating shaft 8, and the rotating shaft 8 is installed on the platform, so that the installation and maintenance of the rotating shaft 8 are facilitated, and the stressed guide stable platform is facilitated.
As shown in fig. 3, in this embodiment, a service ball valve 15 and a high-pressure rubber hose 16 are provided on each of the two oil paths connected to the two chambers of the hydraulic cylinder 10, and a double hydraulic control check valve 14 is provided in cooperation with the two oil paths, so as to ensure safety and fast service of the oil paths.
As shown in fig. 1 and fig. 2, in the present embodiment, the piston rod is hinged to the bracket 11 through the pin 9, and the self-lubricating bearings are disposed at the matching positions of the piston rod and the bracket 11 with the pin 9.
As shown in fig. 1, in the present embodiment, the lifting rail 1, the upper arm 2, and the lower arm 3 are formed by welding steel sections to each other, and reinforcing ribs 6 are provided between the lifting rail 1 and the upper arm 2 and the lower arm 3.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (5)
1. A hydraulic drive's sublance rotary device which characterized in that: the hydraulic control system comprises a rotating frame, a hydraulic cylinder, a servo proportional valve, a displacement sensor and a simulation position controller, wherein the hydraulic cylinder is arranged on a lower platform, the servo proportional valve is used for controlling the telescopic reversing and the telescopic speed of a piston rod of the hydraulic cylinder, the displacement sensor is used for detecting the real-time position of the piston rod of the hydraulic cylinder, the simulation position controller is respectively connected with the servo proportional valve and the displacement sensor, the rotating frame comprises a lifting track, an upper arm and a lower arm which are fixed into a whole, the upper arm and the lower arm are respectively and rotatably arranged on the upper platform and the lower platform, the rotating axes of the upper; the simulation position controller compares preset working position monitoring points and standby position monitoring points after receiving a piston rod real-time position signal uploaded by the displacement sensor, adjusts the extension and retraction of the piston rod through the servo proportional valve, and then drives the rotary frame to switch between the working position and the standby position through the support; the end of upper arm and underarm all is equipped with the rotary drum body, and equal rotatable rotation axis of installing on upper mounting plate and the lower platform all is equipped with the bearing between rotation axis and upper mounting plate and the lower platform, and rotary drum body cooperation cover just is connected with rotatory pivot on the rotation axis.
2. The hydraulically driven sublance rotation apparatus of claim 1, wherein: and two oil paths connected with the two cavities of the hydraulic cylinder are respectively provided with an overhaul ball valve and a high-pressure rubber hose, and are matched with a double-hydraulic-control one-way valve.
3. The hydraulically driven sublance rotation apparatus of claim 1, wherein: the piston rod is hinged with the support through a pin shaft, and self-lubricating bearings are arranged at the matching positions of the piston rod, the support and the pin shaft.
4. The hydraulically driven sublance rotation apparatus of claim 1, wherein: the lifting track, the upper arm and the lower arm are made of profile steel which is welded with each other.
5. The hydraulically driven sublance rotation apparatus of claim 1 or 4, wherein: reinforcing ribs are arranged between the lifting track and the upper arm and between the lifting track and the lower arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810544721.7A CN108728604B (en) | 2018-05-30 | 2018-05-30 | Hydraulic driven sublance rotating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810544721.7A CN108728604B (en) | 2018-05-30 | 2018-05-30 | Hydraulic driven sublance rotating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108728604A CN108728604A (en) | 2018-11-02 |
| CN108728604B true CN108728604B (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810544721.7A Active CN108728604B (en) | 2018-05-30 | 2018-05-30 | Hydraulic driven sublance rotating device |
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| CN (1) | CN108728604B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115109889A (en) * | 2022-07-29 | 2022-09-27 | 中冶南方工程技术有限公司 | Sublance rotary lifting device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57181317A (en) * | 1981-04-28 | 1982-11-08 | Kawasaki Heavy Ind Ltd | Probe carrying device |
| CN100588843C (en) * | 2007-12-05 | 2010-02-10 | 中国重型机械研究院 | Hydraulic up-down swing mechanism |
| CN102424888B (en) * | 2011-11-30 | 2013-04-03 | 中冶京诚工程技术有限公司 | Telescopic cross sliding type converter sublance device and use method |
| CN107974530A (en) * | 2017-11-29 | 2018-05-01 | 中冶南方工程技术有限公司 | A kind of revolving furnace sublance with segmented guide rail |
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2018
- 2018-05-30 CN CN201810544721.7A patent/CN108728604B/en active Active
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| CN108728604A (en) | 2018-11-02 |
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