EP0231201A1 - Verspanneinrichtung für schieberverschlüsse. - Google Patents
Verspanneinrichtung für schieberverschlüsse.Info
- Publication number
- EP0231201A1 EP0231201A1 EP86903357A EP86903357A EP0231201A1 EP 0231201 A1 EP0231201 A1 EP 0231201A1 EP 86903357 A EP86903357 A EP 86903357A EP 86903357 A EP86903357 A EP 86903357A EP 0231201 A1 EP0231201 A1 EP 0231201A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- spring
- bending
- tensioning
- slide
- 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.)
- Granted
Links
Classifications
-
- 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
- B22D41/40—Means for pressing the plates together
Definitions
- the invention relates to a bracing device for a slide closure provided on the spout of a metal-containing container, with a housing, a stationary base plate therein and a slide plate sealingly attached to it, which is adjustably mounted in a housing cover and against the base plate by means of the housing cover articulated to the housing cover underlying clamping elements is resiliently pressed.
- the slide plate is braced against the base plate by means of tensioning screw devices which act on the housing and on the cover, distributed over the circumferential sides, and produce a pressing force on the slide plate when screwed together.
- the tensioning screw devices each have a screw bolt, which is pivotally suspended on a pivot axis and acts as a tensioning element, a thread-free sleeve under the housing cover, a tensioning nut and disc springs inserted between the sleeve and the nut.
- disc springs are sensitive and often cause defects.
- a collar provided on the sleeve is intended to protect the springs from external influences, such as heat and dust, but this hinders visual checks of the condition of the springs.
- the object of the present invention is to improve the suspension acting via the tensioning elements articulated on the housing.
- the object is achieved according to the invention in that the articulation axes of the clamping elements are designed as Biegungsfeder ⁇ .
- Such bending springs such as a simple elongated spring leaf, a bar spring or a leaf spring layered from spring leaves, can be adjusted with great accuracy to the required tensioning force between the closure housing and the housing cover. They are easy to assemble or disassemble and at the same time fulfill two functions: on the one hand the cushioning of the housing cover on the housing and on the other hand the articulation of the tensioning elements.
- the bending springs can be checked without any problems.
- the bending springs are preferably stored in the closure housing at both ends and carry at least one tensioning element designed as an eyebolt with a tensioning nut and secured against lateral displacement.
- Layered leaf springs have proven to be particularly advantageous for use as bending springs, which are expediently secured at one end by a transverse bolt and held in a bushing, while the other end has free support in the longitudinal direction in order not to be exposed to additional tensile stresses.
- the bushing can be fixed on the housing by means of an adjusting bolt in two opposite directions of deflection of a bending spring, which can be rotated in this way from a used deflection side to the still unused one if necessary.
- Each bending spring is secured against excessive deflection by a stop which is provided on the breech housing. Such stops also prevent the eyebolts carried by the bending springs from shifting sideways.
- FIG. 1 shows a side view with a partial section of a slide closure equipped with the invention
- Fig. 2 shows a cross section through the slide closure according to Fig. 1, wherein tensioning means is drawn in view and
- Fig. 3 is a partial section of the slide closure of FIG. 1 along the line III-III.
- a conventional slide closure 20 which is not described in detail in the following, is attached to a partially illustrated metal melting container 10.
- the container 10 consists essentially of a steel jacket 18, a refractory lining 12 and a pouring sleeve 14 with a pouring opening 16 which extends through the slide closure in the open position.
- the slide closure 20 fastened to the steel jacket 18 of the container 10 essentially consists of a housing 22 screwed to the steel jacket 18, an upper refractory base plate 24 inserted therein, which adjoins the pouring sleeve 14, and a refractory slide plate 26 arranged sealingly thereto.
- Both housing 22 and cover 30 are connected via a hinge joint 34.
- the tensioning means 40 each consist of a bending spring 46, which is clamped on both sides as a leaf spring, and a tensioning element 42, 4 in the form of an eyebolt 42 provided with a tension nut 44, which is suspended approximately in the middle of the bending spring 46.
- the spring 46 is rounded on its longitudinal edges in order to enable the eyebolts 42 to be swiveled out, which are secured against lateral displacement by plane walls at recesses 50 of the housing 22.
- Further recesses 36 and 38 arranged in the housing cover 30 enable the eyebolts to be swiveled in under the housing cover 30, so that the housing 22 and the housing cover 30 are braced in an operational manner.
- two bending springs 46 are provided on each of the two long sides of the closure 20, each of which extends over half the side length and is supported in the housing 22 at both ends 46 ′ and 46 ′′.
- the storage takes place, as is particularly evident from FIG can be seen at the outer end 46 * by means of a bushing 49 with transverse bolts 48, while the inner end 46 ′′ is freely movable in the longitudinal direction in profile holes 54.
- the bushing 49 in turn is held by an adjusting bolt 47 screwed into the housing 22 and can be turned by 180 ". are rotated when the bending spring 46 has suffered permanent deformation in the direction of loading.
- the deflection of the bending spring 46 is limited by housing stops 52 which are provided for the bending spring 46 in passageways 52 flanking the recess 50.
- bending spring 46 could also be designed as spring bars.
- the spring elements could analogously be fixed laterally in the housing cover, while the tensioning elements would equally be pivotably suspended on these spring elements. Corresponding recesses in the housing would allow the cover to be tensioned on the housing.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3528431A DE3528431C1 (de) | 1985-08-08 | 1985-08-08 | Verspanneinrichtung fuer Schieberverschluesse |
DE3528431 | 1985-08-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0231201A1 true EP0231201A1 (de) | 1987-08-12 |
EP0231201B1 EP0231201B1 (de) | 1988-10-05 |
Family
ID=6277996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86903357A Expired EP0231201B1 (de) | 1985-08-08 | 1986-05-30 | Verspanneinrichtung für schieberverschlüsse |
Country Status (8)
Country | Link |
---|---|
US (1) | US4752017A (de) |
EP (1) | EP0231201B1 (de) |
JP (1) | JPS63500440A (de) |
CA (1) | CA1270114A (de) |
DE (1) | DE3528431C1 (de) |
IN (1) | IN165426B (de) |
WO (1) | WO1987000780A1 (de) |
ZA (1) | ZA865672B (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3835687A1 (de) * | 1988-10-20 | 1990-04-26 | Cerafer Sarl | Schieberverschluss fuer metallurgische gefaesse |
CN107052323B (zh) * | 2017-05-12 | 2022-12-02 | 于振河 | 底注式盛钢桶 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3765579A (en) * | 1972-05-10 | 1973-10-16 | United States Steel Corp | Linearly movable gate mechanism |
GB1440916A (en) * | 1972-07-26 | 1976-06-30 | Flogates Ltd | Sliding gate valve assemblies |
IT1004615B (it) * | 1973-10-16 | 1976-07-20 | Sirma Soc Italiana | Otturatore con organo mobile azio nabile in movimento angolare parti colarmente per il controllo del flusso di metalli fusi da conteni tori o siviere |
IN147574B (de) * | 1976-11-19 | 1980-04-19 | Uss Eng & Consult | |
CH639301A5 (en) * | 1979-02-28 | 1983-11-15 | Stopinc Ag | Slide gate nozzle for metallurgical vessels |
GB2043217B (en) * | 1979-03-02 | 1982-10-20 | Flogates Ltd | Spring device for sliding gate valve |
EP0134278B1 (de) * | 1983-08-29 | 1988-03-16 | idn inventions and development of novelties ag | Behälter mit Verriegelungseinrichtung zum Aufbewahren von Aufzeichnungsträgern |
-
1985
- 1985-08-08 DE DE3528431A patent/DE3528431C1/de not_active Expired
-
1986
- 1986-05-30 US US07/044,277 patent/US4752017A/en not_active Expired - Fee Related
- 1986-05-30 WO PCT/EP1986/000325 patent/WO1987000780A1/de active IP Right Grant
- 1986-05-30 JP JP61503462A patent/JPS63500440A/ja active Pending
- 1986-05-30 EP EP86903357A patent/EP0231201B1/de not_active Expired
- 1986-07-29 ZA ZA865672A patent/ZA865672B/xx unknown
- 1986-07-30 IN IN577/CAL/86A patent/IN165426B/en unknown
- 1986-08-06 CA CA000515390A patent/CA1270114A/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO8700780A1 * |
Also Published As
Publication number | Publication date |
---|---|
US4752017A (en) | 1988-06-21 |
ZA865672B (en) | 1987-03-25 |
IN165426B (de) | 1989-10-14 |
WO1987000780A1 (en) | 1987-02-12 |
CA1270114A (en) | 1990-06-12 |
EP0231201B1 (de) | 1988-10-05 |
DE3528431C1 (de) | 1987-03-26 |
JPS63500440A (ja) | 1988-02-18 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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17P | Request for examination filed |
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STAA | Information on the status of an ep patent application or granted ep patent |
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