CN202321993U - Device for interference hot-assembly and hoisting of ladle and hot-metal ladle trunnion - Google Patents
Device for interference hot-assembly and hoisting of ladle and hot-metal ladle trunnion Download PDFInfo
- Publication number
- CN202321993U CN202321993U CN2011203993200U CN201120399320U CN202321993U CN 202321993 U CN202321993 U CN 202321993U CN 2011203993200 U CN2011203993200 U CN 2011203993200U CN 201120399320 U CN201120399320 U CN 201120399320U CN 202321993 U CN202321993 U CN 202321993U
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- CN
- China
- Prior art keywords
- trunnion
- hot
- gudgeon
- ladle
- steel pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
The utility model belongs to an auxiliary tool for the interference hot-assembly of a ladle and hot-metal ladle trunnion in the metallurgical industry, in particular to a device for the interference hot-assembly and the hoisting of a ladle and hot-metal ladle trunnion. The device comprises a trunnion with a trunnion hole; a hanging ring is installed at the upper end of a hanger rod formed by a steel pipe through symmetrical through holes; a pin shaft of which the two ends penetrate out of the steel pipe is installed on a steel pipe wall at the lower end of the hanger rod through symmetrical through holes; the hanger rod is in movable fit with the trunnion hole of the trunnion; and a group of positioning blocks is uniformly distributed on the outer peripheral surface of the trunnion along the axial direction. The auxiliary tool has the beneficial effects that when a trunnion interference hot-assembly process is implemented, the safe and reliable hung trunnion can be quickly transmitted to the upper part of a trunnion support by adopting a crane; and the trunnion is stably inserted in a trunnion hole of the trunnion support, so that the assembly precision is ensured, the labor intensity of workers is reduced, and the working conditions are improved.
Description
Technical field
The utility model belongs to the accessory appliances of metallurgy industry molten steel jar, hot-metal bottle gudgeon interference hot charging, and particularly a kind of molten steel jar, hot-metal bottle gudgeon interference hot charging are joined the device of handling gudgeon.
Background technology
In the metallurgy industry, the use of molten steel jar, hot-metal bottle is very general in modern times.As the main load-supporting part in molten steel jar, the frequent operation process of hot-metal bottle, it is particularly important that the safety of gudgeon seems.
In traditional manufacturing process, the design paper of molten steel jar, hot-metal bottle often regulation is fixed the mode that gudgeon and trunnion seat connect with welding.
Molten steel jar, hot-metal bottle gudgeon interference hot charging are equipped put development before, we adopt the method for design code, and gudgeon and trunnion seat are welded to connect.Before the welding mother metal is carried out preheating, temperature between key-course during welding, the assembling of gudgeon and trunnion seat is finally accomplished in insulation slowly cooling in welding back.
Production practice prove that the method that molten steel jar, hot-metal bottle design paper propose is feasible, but this method has its weak point:
At first, in the process of mother metal being carried out preheating, control interlayer temperature, postweld heat preservation slow cooling, operation easier is big, weak effect, and efficient is low.
Secondly, the gudgeon assembling is adopted and is welded to connect, at the gudgeon weld heat-affected zone owing to existing welding stress to crack.Simultaneously, also have weld defect in the weld seam and exist, this has stayed accident potential for the safe operation of molten steel jar, hot-metal bottle.
The 3rd, when the requiring of weld defect overshoot, then need do over again to the gudgeon weld seam.Because the particularity of workpiece material and structure, the welding quality when doing over again are difficult to control even the serious consequence that can cause gudgeon to scrap more.
Adopt molten steel jar, hot-metal bottle gudgeon interference hot-mounting process, can eliminate the potential safety hazard that the gudgeon weld defect causes.When carrying out gudgeon interference hot charging, trunnion seat is put into when being heated to design temperature in the heating cabinet, cuts off the electricity supply, open the heating cabinet loam cake, use hoisting crane trunnion seat to be transported on the support, carry out the fitting work of gudgeon and trunnion seat again through special-purpose suspension hook.Gudgeon is assembled in the axis hole of high temperature trunnion seat, works under hard conditions, adopt manual work that gudgeon is assembled in the axis hole of high temperature trunnion seat, work difficulty is big, and labour intensity is big, and is time-consuming, and can't guarantee assembly precision.
Summary of the invention
The purpose of the utility model is to provide a kind of molten steel jar, hot-metal bottle gudgeon interference hot charging to join the device of handling gudgeon; When implementing gudgeon interference hot-mounting process, adopt hoisting crane, handling gudgeon that can be safe and reliable promptly is transported to the trunnion seat top; Gudgeon is steadily inserted in the axis hole of trunnion seat; Guarantee assembly precision, alleviate working strength of workers, improve working conditions.
The purpose of the utility model is achieved in that a kind of molten steel jar, hot-metal bottle gudgeon interference hot charging join the device of handling gudgeon; Comprise gudgeon with axis hole; Its upper end of the suspension rod that is made up of steel pipe is installed with suspension ring through the through hole of symmetry; Through hole through symmetry on the steel pipe walls of suspension rod lower end is installed with the bearing pin that two ends pass steel pipe, the axis hole running-fit of suspension rod and gudgeon, and radial equipartition is being provided with one group of locating piece on the outer circumference surface of gudgeon.
When adopting the utility model handling gudgeon, suspension rod is packed in the axis hole of gudgeon, the suspension rod lower end has the lower end of symmetrical through hole and stretches out the gudgeon axis hole; In the through hole of suspension rod lower end, load onto bearing pin; The two ends of bearing pin pass suspension rod, and bearing pin is held gudgeon spacing, and the suspension hook of hoisting crane is hung the suspension ring of suspension rod; Through suspension rod with gudgeon promptly be transported to trunnion seat directly over; Aim at the axis hole of trunnion seat, gudgeon is inserted in the axis hole reposefully the last plane contact of locating piece on trunnion seat and trunnion seat.Behind the trunnion seat natural cooling, the interference hot charging allotment of labor of gudgeon and trunnion seat finishes.When implementing gudgeon interference hot-mounting process; The utility model has realized that employing crane safety failure-free handling gudgeon promptly is transported to the trunnion seat top, gudgeon is steadily inserted in the axis hole of trunnion seat, has guaranteed assembly precision; Alleviate working strength of workers, improved service conditions.
Description of drawings
To combine accompanying drawing that the utility model is done further to describe below, accompanying drawing 1 is the utility model sectional structure scheme drawing.
The specific embodiment
A kind of molten steel jar, hot-metal bottle gudgeon interference hot charging are joined the device of handling gudgeon; Shown in accompanying drawing 1; Comprise the gudgeon 3 with axis hole, suspension rod 2 its upper ends that are made up of steel pipe are installed with suspension ring 1 through the through hole of symmetry, and the through hole through symmetry on the steel pipe walls of suspension rod 2 lower ends is installed with the bearing pin 4 that two ends pass steel pipe; The axis hole running-fit of suspension rod 2 and gudgeon 3, radial equipartition is being provided with one group of locating piece 5 on the outer circumference surface of gudgeon 3.
The utility model practical implementation process:
1,, calculates the heating-up temperature and the constant temperature time of molten steel jar, hot-metal bottle trunnion seat according to the required minimal fit gap of gudgeon interference hot charging timing.
The trunnion seat that 2, will need hot charging to join is placed in the heating cabinet, connects temperature controller, is equipped with for molten steel jar, hot-metal bottle gudgeon interference hot charging and puts power supply, and trunnion seat is heated.
3, temperature controller detects and controls the temperature in the heating cabinet.When temperature reached preset heating-up temperature, temperature no longer rose, and is in temperature constant state.
4, treat that constant temperature time is enough, cut off the electricity supply, stop heating, the heating cabinet loam cake is opened, use elevator machinery trunnion seat to be transported on the support, and make the last plane of trunnion seat be in horizontality through suspension hook.
5, use elevator machinery through suspension rod with gudgeon promptly be transported to trunnion seat directly over, aim at assembly opening, gudgeon is inserted in the hole reposefully, up to the last plane contact of locating piece and trunnion seat.Behind the trunnion seat natural cooling.The interference hot charging allotment of labor of gudgeon and trunnion seat does promptly to accuse to accomplish.
Claims (1)
1. a molten steel jar, hot-metal bottle gudgeon interference hot charging are joined the device of handling gudgeon; Comprise gudgeon (3) with axis hole; It is characterized in that: its upper end of the suspension rod (2) that is made up of steel pipe is installed with suspension ring (1) through the through hole of symmetry; Through hole through symmetry on the steel pipe walls of suspension rod (2) lower end is installed with the bearing pin (4) that two ends pass steel pipe, the axis hole running-fit of suspension rod (2) and gudgeon (3), and radial equipartition is being provided with one group of locating piece (5) on the outer circumference surface of gudgeon (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203993200U CN202321993U (en) | 2011-10-19 | 2011-10-19 | Device for interference hot-assembly and hoisting of ladle and hot-metal ladle trunnion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203993200U CN202321993U (en) | 2011-10-19 | 2011-10-19 | Device for interference hot-assembly and hoisting of ladle and hot-metal ladle trunnion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202321993U true CN202321993U (en) | 2012-07-11 |
Family
ID=46433983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203993200U Expired - Fee Related CN202321993U (en) | 2011-10-19 | 2011-10-19 | Device for interference hot-assembly and hoisting of ladle and hot-metal ladle trunnion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202321993U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106429783A (en) * | 2016-10-08 | 2017-02-22 | 霍尔果斯新国金新能源科技有限公司 | Lifting device of concrete tower drum and lifting method applying lifting device |
-
2011
- 2011-10-19 CN CN2011203993200U patent/CN202321993U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106429783A (en) * | 2016-10-08 | 2017-02-22 | 霍尔果斯新国金新能源科技有限公司 | Lifting device of concrete tower drum and lifting method applying lifting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20141019 |
|
| EXPY | Termination of patent right or utility model |