CN106907379B - AOD furnace mobile trolley locking device and use method - Google Patents
AOD furnace mobile trolley locking device and use method Download PDFInfo
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- CN106907379B CN106907379B CN201710256396.XA CN201710256396A CN106907379B CN 106907379 B CN106907379 B CN 106907379B CN 201710256396 A CN201710256396 A CN 201710256396A CN 106907379 B CN106907379 B CN 106907379B
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- locking
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- blocks
- block
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000003723 Smelting Methods 0.000 claims abstract description 18
- 238000005461 lubrication Methods 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000003921 oil Substances 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 claims description 2
- 230000005484 gravity Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2/00—Friction-grip releasable fastenings
- F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
- F16B2/14—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening using wedges
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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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/068—Decarburising
- C21C7/0685—Decarburising of stainless steel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
- F16B2200/89—Use of a hydraulic action
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses an AOD furnace mobile trolley locking device and a use method thereof, wherein the AOD furnace mobile trolley locking device comprises a mobile frame, an upper half part and a lower half part, wherein the upper half part is arranged on the mobile frame; the lower half part is fixed on the ground of a smelting position of the mobile AOD furnace and is fixed by using foundation bolts; the upper half part moves vertically up and down and is connected with the lower half part through a wedge-shaped locking block cavity and a trapezoid locking block; two trolley locking devices are respectively arranged on two sides of the middle of the trolley body and are vertically and horizontally installed. The invention has the advantages of simple, reasonable and compact structure, simple operation method, adoption of double-locking hydraulic cylinders, independent driving of each wedge-shaped locking block, accurate operation and even locking stress, and the pressure sensor operates the locking force according to a preset numerical value; the wedge-shaped locking block and the trapezoid locking block are stressed by adopting the wedge theory, so that the transverse acting force is large, and the vehicle body is effectively stabilized; the trapezoidal locking block is in shaft sleeve lubrication connection, and can rotate around the shaft sleeve, so that the contact surface is guaranteed to be highly attached.
Description
Technical Field
The invention belongs to the field of stainless steel smelting equipment, and particularly relates to a locking device for an AOD furnace mobile trolley. The AOD furnace mobile trolley can be locked and the using method thereof.
Background
The process for smelting stainless steel by using the mobile AOD furnace uses a mobile trolley to move the AOD furnace between a smelting position and a furnace shell replacement position, so that the furnace shell is convenient to replace and maintain, the time for replacing the furnace shell is reduced, and the production efficiency is greatly improved. Although the entire AOD furnace and mobile trolley are supported on two transverse supports and two longitudinal supports, however, in the smelting process, strong airflow vibration is accompanied by both top blowing and side blowing, so that the body of the mobile trolley has little vibration.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide the AOD furnace mobile trolley locking device and the application method thereof, and the vibration of the AOD mobile trolley can be reduced in the smelting process of the mobile AOD furnace.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the AOD furnace moving trolley locking device comprises a moving frame, an upper half part and a lower half part, and is characterized in that the upper half part is arranged on the moving frame and moves along with the moving frame; the lower half part is fixed on the ground of the smelting position of the mobile AOD furnace, fixing by using foundation bolts; the upper half part can vertically move up and down and is connected with the lower half part through a wedge-shaped locking block cavity and a trapezoid locking block; two sides in the middle of the body of the movable trolley are respectively provided with a trolley locking device which is vertically and horizontally installed to prevent the vibration of the body.
The upper half part comprises a locking hydraulic cylinder, a hydraulic cylinder support, a guide seat, a guide block, a spring and a wedge-shaped locking block; the hydraulic cylinder support is provided with a mounting boss, the mounting boss extends into and is arranged in the movable frame through a square hole of the movable frame, and the hydraulic cylinder support and the guide seat are fixed with the movable frame through the cooperation of the square hole; the locking hydraulic cylinder is arranged in the movable frame and is arranged on an installation boss of a hydraulic cylinder support through trunnions at two sides to prevent high-temperature radiation, and a pressure sensor is arranged in the locking hydraulic cylinder; the four guide blocks are respectively arranged on the four inner sides of the guide seat, and the surfaces of the guide blocks are provided with lubricating oil grooves to provide enough lubricating conditions; the two wedge-shaped locking blocks are respectively connected with the two locking hydraulic cylinders through pin shafts, the inclined surfaces of the wedge-shaped locking blocks face inwards, the vertical three surfaces are attached to the lubrication surfaces of the guide blocks, and the wedge-shaped locking blocks are attached to the lubrication surfaces of the guide blocks to vertically move up and down along with the extension of the rod ends of the locking hydraulic cylinders.
Further improved, the upper half part is also provided with a spring, the spring is arranged at the lower parts of trunnions of the two locking hydraulic cylinders, three vertical surfaces of the wedge-shaped locking block are attached to the lubrication surface of the guide block under the tension acting force of the spring, and the locking hydraulic cylinders are prevented from being close together under the action of the gravity center of the wedge-shaped locking block, so that locking failure is caused.
Further improved, reinforcing rib plates are arranged on the outer sides of the guide seats, so that the strength of the guide seats is improved.
Further improved, the lower half part comprises a trapezoid locking block, a shaft sleeve and a base; the taper of the inclined planes at two sides of the trapezoid locking block is consistent with the taper of the inclined planes at the inner side of the wedge locking block, so that effective maximum surface contact is ensured, the trapezoid locking block is arranged on the base through the shaft sleeve, the shaft sleeve has a self-lubricating function, and the trapezoid locking block rotates around the shaft sleeve and cannot fall off; the lower half part of the base is deeply buried in concrete, and can bear huge impact load under the fixation of powerful foundation bolts.
The utility model provides an AOD stove travelling car locking device which comprises the following steps:
when the AOD moving trolley is stopped at a smelting position, the whole AOD furnace and the moving trolley are both supported on a transverse support and a longitudinal support, at the moment, the rod ends of two locking hydraulic cylinders extend out to push the wedge-shaped locking blocks downwards, the wedge-shaped locking blocks slide downwards in the guide seats along the lubrication surfaces of the guide blocks until the inner inclined surfaces of the wedge-shaped locking blocks are attached to the inclined surfaces of the trapezoid locking blocks, the pressure sensors in the locking hydraulic cylinders know that the two wedge-shaped locking blocks are respectively and completely attached to the two inclined surfaces of the trapezoid locking blocks, at the moment, the oil paths of the locking hydraulic cylinders are locked and pressure maintaining, at the moment, the AOD moving trolley is completely locked, and vibration is effectively prevented;
when the moving AOD smelting is finished and needs to be moved, the rod end of the locking hydraulic cylinder is retracted, the wedge-shaped locking block is driven to return to the original state, and the locking of the AOD moving trolley is released, so that the moving AOD smelting device is convenient and reliable.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, a double-locking hydraulic cylinder design is adopted, each wedge-shaped locking block is independently driven, when the wedge-shaped locking blocks are locked downwards, the stroke can be different, a pressure sensor is arranged in the locking hydraulic cylinder, the locking force is operated according to a preset numerical value, the operation is accurate, and the locking stress is uniform.
2. The wedge-shaped locking block and the trapezoid locking block are stressed by adopting the wedge theory, so that the transverse acting force is large, and the vehicle body can be effectively stabilized; the trapezoid locking block is in lubricating connection with the shaft sleeve and can rotate around the shaft sleeve, the inclined surface of the wedge-shaped locking block and the inclined surface of the trapezoid locking block are prevented from being in poor contact due to installation or other factors, and the contact surface is guaranteed to be highly attached.
3. The invention adopts the spring, can prevent the locking hydraulic cylinder from approaching to the middle under the gravity center action of the wedge-shaped locking block, meanwhile, the locking hydraulic cylinder is allowed to have the degree of freedom under the stress state, so that the locking hydraulic cylinder is prevented from being damaged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort to a person skilled in the art.
Fig. 1 is a front view of an AOD furnace mobile cart locking device.
Fig. 2 is a cross-sectional view of an AOD furnace mobile trolley locking device A-A (released state).
Fig. 3 is a sectional view of A-A (locked state) of a moving trolley locking device of an AOD furnace.
Fig. 4 is a front view of the cylinder mount.
Fig. 5 is a left side view of the cylinder mount.
Fig. 6 is a perspective view of the guide holder.
In the figure: 1-a locking hydraulic cylinder 2-a hydraulic cylinder support 2.1, a mounting boss 3-a guide seat 3.1 reinforcing rib plate 4-a guide block 5-a spring 6-a wedge-shaped locking block 7-a trapezoid locking block 8-a shaft sleeve 9-a base 10-a movable frame.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings, in which it is evident that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
1-6, an AOD furnace mobile trolley locking device comprises a mobile frame, an upper half part and a lower half part, and is characterized in that the upper half part is arranged on the mobile frame 10 and moves along with the mobile frame 10; the lower half part is fixed on the ground of a smelting position of the mobile AOD furnace and fixed by using anchor bolts; the upper half part can vertically move up and down and is connected with the lower half part through a cavity of the wedge-shaped locking block 6 and the trapezoid locking block 7; two sides in the middle of the body of the movable trolley are respectively provided with a trolley locking device which is vertically and horizontally installed to prevent the vibration of the body.
The upper half part comprises a locking hydraulic cylinder 1, a hydraulic cylinder support 2, a guide seat 3, a guide block 4, a spring 5 and a wedge-shaped locking block 6; the hydraulic cylinder support 2 is provided with a mounting boss 2.1 which extends into and is arranged in the movable frame 10 through a square hole of the movable frame 10, and the hydraulic cylinder support 2 and the guide seat 3 are fixed with the movable frame 10 through the cooperation of the square hole; the locking hydraulic cylinder 1 is arranged in the movable frame 10 and is arranged on the installation boss 2.1 of the hydraulic cylinder support 2 through trunnions at two sides, so that high-temperature radiation is prevented, and a pressure sensor is arranged in the locking hydraulic cylinder 1; four guide blocks 4 are respectively arranged on four inner sides of the guide seat 3, and lubrication grooves are formed in the surfaces of the guide blocks 4 to provide enough lubrication conditions; the two wedge-shaped locking blocks 6 are respectively connected with the two locking hydraulic cylinders 1 through pin shafts, the inclined surfaces of the wedge-shaped locking blocks 6 face inwards, the vertical three surfaces are attached to the lubrication surfaces of the guide blocks 4, and the wedge-shaped locking blocks 6 are attached to the lubrication surfaces of the guide blocks 4 to vertically move up and down along with the extension of the rod ends of the locking hydraulic cylinders 1.
The upper half part is also provided with a spring, the spring 5 is arranged at the lower parts of trunnions of the two locking hydraulic cylinders 1, three vertical surfaces of the wedge-shaped locking block 6 are attached to the lubrication surface of the guide block 4 under the tension acting force of the spring 5, and the locking hydraulic cylinders 1 are prevented from being close together under the action of the gravity center of the wedge-shaped locking block 6, so that locking failure is caused.
The reinforcing rib plate 3.1 is arranged on the outer side of the guide seat 3, so that the strength of the guide seat is improved.
The lower half part comprises a trapezoid locking block 7, a shaft sleeve 8 and a base 9; the taper of the inclined planes at the two sides of the trapezoid locking block 7 is consistent with the taper of the inclined planes at the inner side of the wedge locking block 6, so that effective maximum surface contact is ensured, the trapezoid locking block 7 is arranged on a base through the shaft sleeve 8, the shaft sleeve 8 has a self-lubricating function, and the trapezoid locking block 7 rotates around the shaft sleeve 8 and cannot fall off; the lower half of the base 9 is deeply buried in concrete, and can bear huge impact load under the fixation of powerful foundation bolts.
An AOD furnace mobile trolley locking device is concretely implemented as follows:
when the AOD moving trolley is stopped at a smelting position, the whole AOD furnace and the moving trolley are both supported on a transverse support and a longitudinal support, at the moment, the rod ends of two locking hydraulic cylinders 1 extend out to push wedge-shaped locking blocks 6 downwards, the wedge-shaped locking blocks 6 slide downwards in guide seats 3 along the lubrication surfaces of guide blocks 4 until the inner inclined surfaces of the wedge-shaped locking blocks 6 are attached to the inclined surfaces of trapezoidal locking blocks 7, and the pressure sensors in the locking hydraulic cylinders 1 are used for knowing that the two wedge-shaped locking blocks 6 are respectively and completely attached to the two inclined surfaces of the trapezoidal locking blocks 7, at the moment, the oil paths of the locking hydraulic cylinders 1 are locked for maintaining pressure, at the moment, the AOD moving trolley is completely locked, and vibration is effectively prevented;
when the moving AOD smelting is finished and needs to be moved, the rod end of the locking hydraulic cylinder 1 is retracted, the wedge-shaped locking block 6 is driven to return to the original state, and the locking of the AOD moving trolley is released, so that the moving AOD smelting machine is convenient and reliable.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (1)
1. The utility model provides an AOD stove travelling car locking device, includes removal frame (10), first half and second half, its characterized in that: the upper half part is arranged on the movable frame (10); the lower half part is fixed on the ground of a smelting position of the mobile AOD furnace and fixed by using anchor bolts; the upper half part can vertically move up and down, and is connected with the lower half part through a cavity of a wedge-shaped locking block (6) and a trapezoid locking block (7); two trolley locking devices are respectively arranged on two sides of the middle of the trolley body and are vertically and horizontally installed;
the upper half part comprises a locking hydraulic cylinder (1), a hydraulic cylinder support (2), a guide seat (3), a guide block (4), a spring (5) and a wedge-shaped locking block (6); the hydraulic cylinder support (2) is provided with a mounting boss (2.1), the mounting boss extends into and is arranged in the movable frame (10) through a square hole of the movable frame (10), and the hydraulic cylinder support (2) and the guide seat (3) are fixed with the movable frame (10) through the cooperation of the square hole; the locking hydraulic cylinder (1) is arranged in the movable frame (10) and is arranged on an installation boss (2.1) of the hydraulic cylinder support (2) through trunnions at two sides, and a pressure sensor is arranged in the locking hydraulic cylinder (1); the four guide blocks (4) are respectively arranged on the four inner sides of the guide seat (3), and the surfaces of the guide blocks (4) are provided with lubricating oil grooves; the two wedge-shaped locking blocks (6) are respectively connected with the two locking hydraulic cylinders (1) through pin shafts, the wedge-shaped locking blocks (6) face inwards obliquely, the vertical three faces are attached to the lubrication surface of the guide block (4), the rod ends of the locking hydraulic cylinders (1) stretch, and the wedge-shaped locking blocks (6) are attached to the lubrication surface of the guide block 4 to vertically move up and down;
the upper half part is also provided with a spring, the spring (5) is arranged at the lower parts of trunnions of the two locking hydraulic cylinders (1), and three vertical surfaces of the wedge-shaped locking block (6) are attached to the lubrication surface of the guide block (4) under the tension acting force of the spring (5);
a reinforcing rib plate (3.1) is arranged on the outer side of the guide seat (3);
the lower half part comprises a trapezoid locking block (7), a shaft sleeve (8) and a base (9); the taper of inclined planes at two sides of the trapezoid locking block (7) is consistent with the taper of an inner side inclined plane of the wedge locking block (6), the trapezoid locking block (7) is arranged on the base through the shaft sleeve (8), the shaft sleeve (8) has a self-lubricating function, and the trapezoid locking block (7) rotates around the shaft sleeve (8); the lower half part of the base (9) is deeply buried in concrete;
the application method is specifically implemented as follows:
when the AOD moving trolley is stopped at a smelting position, the whole AOD furnace and the moving trolley are both supported on a transverse support and a longitudinal support, at the moment, the rod ends of two locking hydraulic cylinders (1) extend out to push wedge-shaped locking blocks (6) downwards, the wedge-shaped locking blocks (6) slide downwards in guide seats (3) along the lubrication surfaces of the guide blocks (4) until the inner inclined surfaces of the wedge-shaped locking blocks (6) are attached to the inclined surfaces of trapezoidal locking blocks (7), the pressure sensors in the locking hydraulic cylinders (1) are used for knowing that the two wedge-shaped locking blocks (6) are completely attached to the two inclined surfaces of the trapezoidal locking blocks (7) respectively, at the moment, the oil ways of the locking hydraulic cylinders (1) are locked and maintained, and at the moment, the AOD moving trolley is completely locked to effectively prevent vibration;
when the moving AOD smelting is finished and needs to be moved, the rod end of the locking hydraulic cylinder (1) is retracted, the wedge-shaped locking block (6) is driven to return to the original state, and the locking of the AOD moving trolley is released, so that the moving AOD smelting device is convenient and reliable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710256396.XA CN106907379B (en) | 2017-04-19 | 2017-04-19 | AOD furnace mobile trolley locking device and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710256396.XA CN106907379B (en) | 2017-04-19 | 2017-04-19 | AOD furnace mobile trolley locking device and use method |
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| Publication Number | Publication Date |
|---|---|
| CN106907379A CN106907379A (en) | 2017-06-30 |
| CN106907379B true CN106907379B (en) | 2023-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710256396.XA Active CN106907379B (en) | 2017-04-19 | 2017-04-19 | AOD furnace mobile trolley locking device and use method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113309937B (en) * | 2021-07-28 | 2021-10-15 | 浙江索特重工科技有限公司 | High-temperature-resistant hydraulic lock with wedge-shaped chuck |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100775729B1 (en) * | 2007-02-09 | 2007-11-09 | 박병준 | Earthquake-proof pot bearing for pulling up of bridge's slab to give and method |
| CN201106057Y (en) * | 2007-11-13 | 2008-08-27 | 上海宝钢工程技术有限公司 | Molten steel tank tipping |
| CN201221898Y (en) * | 2008-06-04 | 2009-04-15 | 广州珠江钢铁有限责任公司 | Electric stove vertical shaft locking apparatus |
| CN205528882U (en) * | 2016-01-20 | 2016-08-31 | 宝山钢铁股份有限公司 | Locking device that falls is prevented to converter sublance lift dolly |
| CN105909872A (en) * | 2016-04-25 | 2016-08-31 | 昆明亮尚灯具有限公司 | Building drain pipe fixing assembly convenient to install |
| CN206845600U (en) * | 2017-04-19 | 2018-01-05 | 中冶华天工程技术有限公司 | A kind of mobile trolley used locking device of AOD furnace |
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Effective date of registration: 20230523 Address after: 243000 Fu Chang Industrial Park, 259 HSI Nan Road, Ma'anshan economic and Technological Development Zone, Anhui Applicant after: HUATIAN ENGINEERING & TECHNOLOGY CORPORATION, MCC Applicant after: HUATIAN NANJING ENGINEERING & TECHNOLOGY CORPORATION, MCC Address before: 243000 Fu Chang Industrial Park, 259 HSI Nan Road, Ma'anshan economic and Technological Development Zone, Anhui Applicant before: HUATIAN ENGINEERING & TECHNOLOGY CORPORATION, MCC |
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