CN205077091U - Arm -tie type converter prestressing force keeps off seat - Google Patents
Arm -tie type converter prestressing force keeps off seat Download PDFInfo
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- CN205077091U CN205077091U CN201520856894.4U CN201520856894U CN205077091U CN 205077091 U CN205077091 U CN 205077091U CN 201520856894 U CN201520856894 U CN 201520856894U CN 205077091 U CN205077091 U CN 205077091U
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- tie
- arm
- backing ring
- block seat
- seat
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Abstract
The utility model belongs to the technical field of metallurgical mechanical equipment, especially relate to an arm -tie type converter prestressing force keeps off seat, include the furnace body fender seat with furnace body fixed connection, the pretension arm -tie, the ring keeps off the seat with the ring of fixing on the ring, the furnace body keeps off the seat centre gripping and keeps off between the seat at two rings, the pretension arm -tie is located the top that the ring kept off the seat, pretension arm -tie and ring keep off has the clearance between the seat, the both ends of pretension arm -tie are pushed down two rings and are kept off seat formation contact inclined plane, the pretension arm -tie is fixed through the retaining member along contact inclined plane removal, the pretension arm -tie is along the contact during inclined plane shift adjusting clearance, two rings keep off and produce prestressing force between the seat. The beneficial effects of the utility model are that: keeping off the seat through the pretension arm -tie to the ring and forming a pre -pressure, fixed through the retaining member, convenient operation has reduced to maintain the degree of difficulty, has shortened maintenance time, is favorable to restricting the ring simultaneously and keeps off the seat and increase, reduce to strike in the use intermediate gap, is favorable to prolonging the life of converter equipment.
Description
Technical field
The utility model belongs to metallurgical machinery equipment technical field, particularly relates to a kind of arm-tie type converter prestress block seat.
Background technology
Converter is the nucleus equipment in steelmaking equipment, and converter body connects with backing ring the core that support system is converter installation, and block seat mechanism is the integral part that most of converter connects support system.In converter inclining process, block seat mechanism serves the relative radial location effect of body of heater to backing ring, and block seat mechanism also assume responsibility for huge gravity and the frequent start-stop running shock load of converter body in converter inclining process.
In use there is a series of problem in traditional block seat mechanism, the almost backing ring block seat of each block converter phenomenon that all can in use have gap progressively to increase, this makes converter in operational process, produce huge impact, vibrations and abnormal sound, even the weld seam between backing ring block seat and backing ring is torn time serious, cause that converter block seat comes off, security incident that converter hanging mechanism damage etc. is serious, directly affect the safe operation of converter.Meanwhile, the existence in backing ring block seat gap also increases impact and the routine maintenance amount of converter.The patent No. be 200910103878.7 utility model patent disclose a kind of three-supporting surface prestress blocking seat mechanism of converter, connected and pretension with pretension pull bar and coupling member by the top of both sides backing ring block seat, the preliminary tension that pretension pull bar and coupling member apply produces compressive pre-stress at the inner side of both sides backing ring block seat welding root, greatly can reduce the stress in bending of the inner side welding root of pressurized backing ring block seat on the one hand, a part of load is distributed on opposite side backing ring block seat simultaneously, on the other hand, effectively can limit backing ring block seat gap in use to strengthen, but the pretension pull bar of this mechanism must apply tens of tons of preliminary tensions when mounted and prevent off-load.Because pretension pull bar pretension connecting screw rod size is comparatively large, operating space is little, online intensification or dedicated hydraulic nut tool generally will be adopted to realize larger pull bar preliminary tension, thus add block seat installation and maintenance difficulty and workload.Particularly after converter runs for some time, if find that converter block seat pull bar preliminary tension disappears, also resume production within a short period of time to eliminate safe hidden trouble, then will in not blowing out, high temperature and narrow backing ring surface operation region pretension again as early as possible, so just increase difficulty and danger that converter block seat safeguards.
Utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of arm-tie type converter prestress block seat, for solving converter prestress adjustment operation inconvenience in prior art, the problems such as the converter installation life-span is short, difficult in maintenance.
For achieving the above object and other relevant objects, the utility model provides a kind of arm-tie type converter prestress block seat, comprise the body of heater block seat be fixedly connected with body of heater, pretension arm-tie, backing ring and the backing ring block seat be fixed on backing ring, described body of heater block seat is clamped between two described backing ring block seats, described pretension arm-tie is positioned at the top of described backing ring block seat, between described pretension arm-tie and described backing ring block seat, there is gap, the two ends of described pretension arm-tie are pushed down two backing ring block seats and are formed contact inclined-plane, described pretension arm-tie is moved along described contact inclined-plane and is fixed by locking piece, when described pretension arm-tie moves adjusting play along contact inclined-plane, prestress is produced between two described backing ring block seats.
The beneficial effects of the utility model are: form compressive pre-stress by pretension arm-tie to backing ring block seat, fixed by locking piece, easy to operate, reduce maintenance difficulties, shorten maintenance time, be conducive to limiting backing ring block seat simultaneously and in use strengthen, reduce to impact, be conducive to extending the work-ing life of converter installation in gap.
Further, the bottom of described pretension arm-tie is provided with the cell body of outward opening expansion, two described backing ring block seats are symmetrical arranged, the top of two described backing ring block seats is provided with the scarp of installing with cell body side-fit, the cell body of described pretension arm-tie pushes down two described backing ring block seats, and the scarp of the side of cell body and two backing ring block seats is close to.
The beneficial effect of above-mentioned further scheme is adopted to be: to realize prestressed generation by the distance that moves along scarp between adjustment two backing ring block seats, be conducive to producing and keeping prestress, easy to operate.
Further, the two ends of the described body of heater block seat between two described backing ring block seats are provided with the first backing plate.
Further, described first backing plate is the U-shaped structure of surfacing, and the two ends of described body of heater block seat to be stretched in described first backing plate and are bolted.
Further, be provided with the second backing plate between the medial surface of described first backing plate and described backing ring block seat, described second backing plate is bolted on described backing ring block seat.
Further, described first backing plate withstands described second backing plate, and can Relative sliding between described first backing plate and described second backing plate, the Contact of described first backing plate and described second backing plate forms bearing surface, and the short transverse of this bearing surface is between described backing ring and described pretension arm-tie.
The beneficial effect of above-mentioned further scheme is adopted to be: the planeness improving contact surface by arranging the first backing plate and the second backing plate, body of heater block seat and backing ring block seat can be made to fit tightr, body of heater block seat is avoided to loosen, be conducive to adapting to body of heater expanded by heating simultaneously, and avoid the bearing surface between body of heater block seat and backing ring block seat to be subject to dust wearing and tearing, reduce and safeguard.
Further, link of boards is passed through between two described backing ring block seats.
The beneficial effect of above-mentioned further scheme is adopted to be: to be linked together by two backing ring block seats by gusset, form overall block seat, simultaneously under the effect of the pulling force of pretension arm-tie, when the backing ring block seat pressurized of side, the stress in bending of welding root inside pressurized backing ring block seat can be reduced, part load dispersion is delivered on the backing ring block seat of opposite side.
Further, described locking piece is joint bolt, adopting joint bolt to be locked, without the need to being locked by utility appliance, operating more simple and convenient.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model embodiment.
Fig. 2 is the vertical view of the utility model embodiment.
Fig. 3 is the sectional view of A-A in the utility model Fig. 1.
Fig. 4 is the enlarged diagram of local B in the utility model Fig. 1.
Piece mark explanation
1 body of heater block seat
2 pretension arm-ties
3 first backing plates
4 second backing plates
5 backing ring block seats
6 locking pieces
7 backing rings
8 bodies of heater
9 gussets
Embodiment
By particular specific embodiment, embodiment of the present utility model is described below, person skilled in the art scholar the content disclosed by this specification sheets can understand other advantages of the present utility model and effect easily.
Refer to Fig. 1 to Fig. 4.Notice, structure, ratio, size etc. that this specification sheets institute accompanying drawings illustrates, content all only in order to coordinate specification sheets to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionlity or size, do not affecting under effect that the utility model can produce and the object that can reach, still all should drop on technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, quote in this specification sheets as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the utility model.
As shown in Figure 1 to Figure 3, arm-tie type converter prestress block seat of the present utility model comprises the body of heater block seat 1, pretension arm-tie 2, backing ring 7 and the backing ring block seat 5 that is fixed on backing ring 7 that are fixedly connected with body of heater 8, body of heater 8 and body of heater block seat 1 and the mode of welding between backing ring 7 and backing ring block seat 5, all can be adopted to be fixed together, cost is low, easy to operate, is connected firmly not easily separated.Backing ring block seat 5 is when being fixedly installed, backing ring block seat 5 can be distributed in top or the below of backing ring 7, also quantity can be set up according to demand, be arranged on above and below backing ring 7 simultaneously, backing ring block seat 5 can arrange some groups with certain angle at backing ring 7 periphery, also can be arranged on the gudgeon two ends of backing ring 7.Body of heater block seat 1 is clamped between two backing ring block seats 5, is connected between two backing ring block seats 5 by gusset 9, and adopt welding process to be fixedly connected with between gusset 9 with two backing ring block seats 5, gusset 9 is fixedly installed on the bottom of two backing ring block seats 5.
As shown in Figures 1 to 4, what the present embodiment adopted is the top that pretension arm-tie 2 is positioned at backing ring block seat 5, there is between pretension arm-tie 2 and backing ring block seat 5 gap M, the two ends of pretension arm-tie 2 are pushed down two backing ring block seats 5 and are formed contact inclined-plane D, pretension arm-tie 2 is moved along contact inclined-plane D and is fixed by locking piece 6, locking piece 6 can adopt joint bolt, is locked simple to operation.When pretension arm-tie 2 moves adjusting play M along contact inclined-plane D, between two backing ring block seats 5, produce prestress.As shown in Figure 1 and Figure 4, the bottom of pretension arm-tie 2 is provided with the cell body of outward opening expansion, and cell body is splayed.Two backing ring block seats 5 are symmetrical arranged, the top of two backing ring block seats 5 is provided with the scarp of installing with cell body side-fit, the scarp of two backing ring block seats 5 is splayed, and the cell body of pretension arm-tie 2 pushes down two backing ring block seats, and the scarp of the side of cell body and two backing ring block seats 5 is close to.Formed when the scarp of two backing ring block seats 5 is close to the scarp of pretension arm-tie 2 and contact inclined-plane D, and leave gap M between the end face of the bottom surface of pretension arm-tie 2 and backing ring block seat 5.When to when pressing down pretension arm-tie 2, pretension arm-tie 2 is fitted along contact inclined-plane D and is slided, pretension arm-tie 2 moves down, gap M between pretension arm-tie 2 and backing ring block seat 5 reduces, the horizontal separation of the positive pressure on contact inclined-plane D forms pretension effect to two backing ring block seats 5, and is fixed by locking piece 6.Adopt this structure and mode of connection, make to produce preliminary tension easily between two backing ring block seats 5, the maintenance of preliminary tension is also very easy simultaneously, without the need to speciality tool, improve the stress condition of body of heater block seat 1, improve the security of converter, reduce the impact in equipment running process, extend the life-span of converter installation, improve reliability, alleviate maintenance difficulties, shorten settling time and the routine maintenance time of body of heater block seat 1.
As shown in Figure 1 to Figure 3, the two ends of the body of heater block seat 1 between two backing ring block seats 5 are provided with the U-shaped structure that the first backing plate 3, first backing plate 3 is surfacing, and the two ends of body of heater block seat 1 to be stretched in the first backing plate 3 and are bolted.Adopt the first backing plate 3 of U-shaped structure to facilitate the two ends of body of heater block seat 1 to be arranged in the first backing plate 3, increase the contact area of body of heater block seat 1 and backing ring block seat 5, avoid body of heater block seat 1 to loosen.Be provided with the second backing plate 4, second backing plate 4 between first backing plate 3 and the medial surface of backing ring block seat 5 to be bolted on backing ring block seat 5.First backing plate 3 withstands the second backing plate 4, and be close between the first backing plate 3 and the second backing plate 4, can adjust contact position by Relative sliding when loosening, the Contact of the first backing plate 3 and the second backing plate 4 forms bearing surface N, and the short transverse of this bearing surface N is between backing ring 7 and pretension arm-tie 2.Formed the bearing surface N of Relative sliding can adapt to body of heater thermal expansion by the first backing plate 3 and the second backing plate 4 between body of heater block seat 1 and backing ring block seat 5, and bearing surface N can be avoided to be subject to dust wearing and tearing and to pollute, reduce the maintenance of bearing surface N.
Its working process is: body of heater block seat 1 is clamped between two backing ring block seats 5 linked together by gusset 9, the top of backing ring block seat 5 is provided with the pretension arm-tie 2 pushing down backing ring block seat 5, adjustment loosens or the change of locking locking piece 6 makes pretension arm-tie 2 slide along contact inclined-plane D, thus the gap M changed between pretension arm-tie 2 and backing ring block seat 5, when gap M reduces, produce prestress between two backing ring block seats 5, avoid the gap between two backing ring block seats 5 to increase.
The utility model makes two backing ring block seats 5 produce prestress to form pretension effect by arranging pretension arm-tie 2 and locking piece 6.During converter inclining, during backing ring block seat 5 pressurized of side, pressurized backing ring block seat 5 is subject to the inside pulling force of level that pretension arm-tie 2 produces, reduce the stress in bending of welding root F place inside pressurized backing ring block seat 5, a part of load dispersion is delivered on opposite side backing ring block seat 5 simultaneously, show according to finite element analysis, backing ring block seat 5 gets suitable rigidity and preliminary tension can make two backing ring block seats 5 decline nearly 40% at the stress value at welding root F place.Prevent the gap of bearing surface N to strengthen, reduce the impulse force of converter simultaneously, reduce the routine maintenance of converter installation, improve the security of converter installation.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all without prejudice under spirit of the present utility model and category, can modify above-described embodiment or changes.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that the utility model discloses, must be contained by claim of the present utility model.
Claims (8)
1. an arm-tie type converter prestress block seat, comprise the body of heater block seat be fixedly connected with body of heater, pretension arm-tie, backing ring and the backing ring block seat be fixed on backing ring, it is characterized in that: described body of heater block seat is clamped between two described backing ring block seats, described pretension arm-tie is positioned at the top of described backing ring block seat, between described pretension arm-tie and described backing ring block seat, there is gap, the two ends of described pretension arm-tie are pushed down two backing ring block seats and are formed contact inclined-plane, described pretension arm-tie is moved along described contact inclined-plane and is fixed by locking piece, when described pretension arm-tie moves adjusting play along contact inclined-plane, prestress is produced between two described backing ring block seats.
2. arm-tie type converter prestress block seat according to claim 1, it is characterized in that: the bottom of described pretension arm-tie is provided with the cell body of outward opening expansion, two described backing ring block seats are symmetrical arranged, the top of two described backing ring block seats is provided with the scarp of installing with cell body side-fit, the cell body of described pretension arm-tie pushes down two described backing ring block seats, and the scarp of the side of cell body and two backing ring block seats is close to.
3. arm-tie type converter prestress block seat according to claim 1, is characterized in that: the two ends of the described body of heater block seat between two described backing ring block seats are provided with the first backing plate.
4. arm-tie type converter prestress block seat according to claim 3, is characterized in that: described first backing plate is the U-shaped structure of surfacing, and the two ends of described body of heater block seat to be stretched in described first backing plate and are bolted.
5. arm-tie type converter prestress block seat according to claim 3, it is characterized in that: be provided with the second backing plate between the medial surface of described first backing plate and described backing ring block seat, described second backing plate is bolted on described backing ring block seat.
6. arm-tie type converter prestress block seat according to claim 5, it is characterized in that: described first backing plate withstands described second backing plate, and can Relative sliding between described first backing plate and described second backing plate, the Contact of described first backing plate and described second backing plate forms bearing surface, and the short transverse of this bearing surface is between described backing ring and described pretension arm-tie.
7. arm-tie type converter prestress block seat according to claim 1, is characterized in that: pass through link of boards between two described backing ring block seats.
8. arm-tie type converter prestress block seat according to claim 1, is characterized in that: described locking piece is joint bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520856894.4U CN205077091U (en) | 2015-10-29 | 2015-10-29 | Arm -tie type converter prestressing force keeps off seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520856894.4U CN205077091U (en) | 2015-10-29 | 2015-10-29 | Arm -tie type converter prestressing force keeps off seat |
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| Publication Number | Publication Date |
|---|---|
| CN205077091U true CN205077091U (en) | 2016-03-09 |
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|---|---|---|---|
| CN201520856894.4U Active CN205077091U (en) | 2015-10-29 | 2015-10-29 | Arm -tie type converter prestressing force keeps off seat |
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| CN (1) | CN205077091U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110832214A (en) * | 2017-06-28 | 2020-02-21 | 罗伯特·博世有限公司 | Support device, assembly with a support device and method for constructing an assembly with a support device |
| WO2023006733A1 (en) | 2021-07-28 | 2023-02-02 | Sms Group Gmbh | Suspension device for a converter |
| US11761047B2 (en) | 2021-07-28 | 2023-09-19 | Sms Group Gmbh | Suspension device for a converter |
-
2015
- 2015-10-29 CN CN201520856894.4U patent/CN205077091U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110832214A (en) * | 2017-06-28 | 2020-02-21 | 罗伯特·博世有限公司 | Support device, assembly with a support device and method for constructing an assembly with a support device |
| CN110832214B (en) * | 2017-06-28 | 2021-12-24 | 罗伯特·博世有限公司 | Support device, assembly with a support device and method for constructing an assembly with a support device |
| WO2023006733A1 (en) | 2021-07-28 | 2023-02-02 | Sms Group Gmbh | Suspension device for a converter |
| US11761047B2 (en) | 2021-07-28 | 2023-09-19 | Sms Group Gmbh | Suspension device for a converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yu Yang Inventor after: Wang Xiang Inventor after: Huang Qiming Inventor before: Yu Yang Inventor before: Wang Xiang Inventor before: Gao Qiming |
|
| CB03 | Change of inventor or designer information |