CN100496813C - Inner spout compactor - Google Patents
Inner spout compactor Download PDFInfo
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- CN100496813C CN100496813C CNB2007100864738A CN200710086473A CN100496813C CN 100496813 C CN100496813 C CN 100496813C CN B2007100864738 A CNB2007100864738 A CN B2007100864738A CN 200710086473 A CN200710086473 A CN 200710086473A CN 100496813 C CN100496813 C CN 100496813C
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- Prior art keywords
- piston shoes
- hold
- groove
- inner nozzle
- down gag
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Abstract
The inner spout compactor includes one force-applying cam mechanism and one compressing head contacting with the cam mechanism via changeable inclined surface and constant length line. The changeable inclined surface is formed with sliding foot and sliding foot groove. The technological scheme of the present invention has the advantages of high stability, long service life, simple structure, good moment transferring effect, etc.
Description
Technical field
The present invention relates to a kind of being applied in the continuous casting technique,, specifically, relate to a kind of hold down gag of inner nozzle the auxiliary equipment of quick change submersed nozzle.
Background technology
At present, in the technical process of continuous casting steel machine, the equipment that direct casting uses various refractory materials to make is usually realized, comprise filling pipe end, down the mouth of a river and with the hold down gag that the upper and lower mouth of a river is clamped together, the above-mentioned pressure-bearing edge at the mouth of a river down of the lower support of this hold down gag, the top of hold down gag compresses the pressure-bearing edge of above-mentioned filling pipe end, its effect is in quick change, can make down the contact-making surface of the mouth of a river and filling pipe end keep good combining closely, and the central axes at the upper and lower mouth of a river.
Traditional hold down gag comprises hold-down head, the cam force application mechanism that is connected with hold-down head, and this cam force application mechanism is an eccentric cam, can be around the fixed axis rotation that is arranged on the hold down gag, by the cam of eccentric part, to the hold-down head application of force.Hold-down head rotates around a certain axle, and the gap (gap between hold-down head and the filling pipe end) of bringing owing to the wearing and tearing that work long hours is adjusted; When adjusting thrust, rotation along with the cam force application mechanism, line contacts shorter and shorter (moment is increasing) between cam pressing mechanism and the hold-down head constant inclined surface, can not effectively guarantee of the transmission of cam force application mechanism to hold-down head moment, be easy to generate the hold-down head job insecurity, and,, cause the shortening in service life of cam force application mechanism because the flank of cam first half and Lower Half wearing and tearing are inconsistent.
Summary of the invention
Technical problem to be solved by this invention is, when adjusting thrust, rotatably compress owing to the cam force application mechanism that line contacts shorter and shorter (moment is increasing) between the constant inclined surface of the cam pressing mechanism that brings and hold-down head, can not effectively guarantee of the transmission of cam force application mechanism to hold-down head moment, be easy to generate the hold-down head job insecurity, and, because the flank of cam first half and Lower Half wearing and tearing are inconsistent, cause the technical problem of cam force application mechanism shortening in service life, and a kind of hold down gag of inner nozzle is provided.
Technical scheme provided by the present invention is, a kind of hold down gag of inner nozzle comprises cam force application mechanism and the hold-down head that compresses thereof, and the contact-making surface with described cam force application mechanism on described hold-down head is variable inclined plane.
On the described variable inclined plane, in described cam force application mechanism and the described hold-down head compaction process, be the line contact of constant length.
Described variable tilted face is made up of piston shoes and piston shoes groove, and in the process that described cam force application mechanism and described hold-down head progressively compress, piston shoes rotate in the piston shoes groove.
Described piston shoes groove is the circular groove of half opening, and the piston shoes groove cooperates with piston shoes.
Be provided with certain distance between the described piston shoes groove half opening two-end-point, the length of this distance is between piston shoes groove radius and diameter.
Described piston shoes trench bottom two ends are provided with the strip groove, and the straight line between the direction of described strip groove and the described piston shoes groove half opening two-end-point is perpendicular.
Be provided with screw in the described strip groove, an end of this screw is fixed on the described piston shoes, with
Described piston shoes radially rotate together, prevent that described piston shoes from endwisely slipping.
Described piston shoes are cylindrical shape, and comprise a plane surface that is parallel to described column axis.
Described piston shoes center center line is to the distance of described plane surface, and this distance is between the radius of zero and piston shoes.
Described variable inclined plane and described hold-down head are made as one, make described cam force application mechanism and described hold-down head in the process that compresses, and are the line contact of constant length.
Adopt technical scheme provided by the present invention, owing on hold-down head, increased transformable inclined plane mechanism, the piston shoes and the piston shoes groove structure that promptly have plane surface, therefore, can solve effectively that line contacts shorter and shorter (moment is increasing) between the constant inclined surface of the cam pressing mechanism that brings and hold-down head owing to the cam force application mechanism rotatably compresses, can not effectively guarantee of the transmission of cam force application mechanism to hold-down head moment, be easy to generate the hold-down head job insecurity, because the flank of cam first half and Lower Half wearing and tearing are inconsistent, the technical problem that causes the shortening in service life of cam force application mechanism, simultaneously, technical scheme provided by the present invention also has, simple in structure, easy to use, in the Long contact time friction, be difficult for becoming flexible, carry-over moment is effective.
Description of drawings
Fig. 1 is a hold down gag of the prior art;
Fig. 2 is a structural representation of the present invention;
Fig. 3 is a longitudinal profile schematic diagram of the present invention;
Fig. 4 position plan structure schematic diagram of the present invention;
Wherein, 1 is the cam force application mechanism; 2 is eccentric cam; 3 hold-down heads; 4 is the inclined plane; 5 piston shoes; 6 piston shoes grooves; 7 strip grooves; 8 is screw.
The specific embodiment
As shown in Figure 1, hold down gag of the prior art comprises hold-down head 3, the cam force application mechanism 1 that is connected with hold-down head 3, this cam force application mechanism 1 is an eccentric cam 2, can be around the fixed axis rotation that is arranged on the hold down gag, by the cam of eccentric part, to hold-down head 3 application of forces.Traditional structure is the hold-down head 3 of constant tilt face 4, and in the process that compresses, hold-down head 3 rotates around a certain axle, adjusts to adapt to the gap (gap between hold-down head 3 and the filling pipe end) of bringing owing to the wearing and tearing that work long hours.
Shown in Fig. 2-5, technical scheme provided by the present invention compared with prior art, improvements are, the end of described cam force application mechanism 1 is an eccentric cam 2, on described hold-down head 3, the end that hold-down head 3 contacts with described cam force application mechanism 1 (eccentric cam 2), inclined plane 4 mechanisms of designed angle of inclination may, promptly form by piston shoes 5 and piston shoes groove 6, piston shoes 5 insert by an end of piston shoes groove 6, and fixing in the axial direction by screw 8, and described screw 8 designs are in the strip groove 7 at two ends, piston shoes groove 6 bottom, this screw 8 rotates with piston shoes 5, can prevent that also piston shoes 5 from sliding in the axial direction simultaneously.
Technical scheme provided by the present invention is, a kind of hold down gag of inner nozzle, and the hold-down head 3 that comprises cam force application mechanism 1 and compress, the contact-making surface with described cam force application mechanism 1 on described hold-down head 3 is variable inclined plane 4.On described hold-down head 3, variable inclined plane 4 is set, significant feature is to be used for adapting to following situation: when thrust is increasing, when hold-down head 3 rotates around a certain axle, contact with the line of cam force application mechanism 1 this moment will change (will shorten), in order to overcome this variation, so will variable inclined plane 4 be set on the hold-down head 3.
In the technical scheme provided by the present invention, on the described variable inclined plane 4, in described cam force application mechanism 1 and described hold-down head 3 compaction process, be the line contact of constant length.Further clearly, the purpose of variable tilted face 4 being set, is in order to guarantee the line contact of constant length.
In the technical scheme provided by the present invention, described variable tilted face 4 is made up of piston shoes 5 and piston shoes groove 6, and in the process that described cam force application mechanism 1 and described hold-down head 3 progressively compress, piston shoes 5 rotate in piston shoes groove 6.Inclined plane 4 is designed to be made up of piston shoes 5 and piston shoes groove 6, and increasing when thrust, when hold-down head 3 rotated around a certain axle, piston shoes 5 also rotated at piston shoes groove 6 accordingly, with the consistent length of retention wire contact.
In the technical scheme provided by the present invention, described piston shoes groove 6 is the circular groove of half opening, and piston shoes groove 6 cooperates with piston shoes 5.Be provided with certain distance between the described piston shoes groove 6 half opening two-end-points, the length of this distance is between piston shoes groove 6 radiuses and diameter.
In order to guarantee that further cam force application mechanism 1 can touch piston shoes 5, be the circular groove of half opening with piston shoes groove 6; For piston shoes 5 can be rotated in piston shoes groove 6, the two is designed to cooperate; In order to make the length maximization of line contact, guarantee that simultaneously piston shoes 5 radially do not skid off in piston shoes groove 6, be provided with certain distance between the two-end-point with piston shoes groove 6 half openings, the length of this distance is between piston shoes groove 6 radiuses and diameter.
In the technical scheme of the present invention, two ends, described piston shoes groove 6 bottom are provided with strip groove 7, and the straight line between the direction of described strip groove 7 and the described piston shoes groove 6 half opening two-end-points is perpendicular.
Be provided with screw 8 in the described strip groove 7, an end of this screw 8 is fixed on the described piston shoes 5, radially rotates with described piston shoes 5, prevents that described piston shoes 5 from endwisely slipping.Piston shoes 5 insert by the end of piston shoes groove 6, then screw 8 are fixed on the piston shoes 5 by strip, prevent that piston shoes 5 from endwisely slipping.In order to reduce the quantity of using screw 8, the other embodiment of the present invention can also be provided with the strip through hole with the middle part of piston shoes groove 6 bottoms, and the screw 8 of axial location is installed in the strip through hole.
In the technical scheme of the present invention, described piston shoes 5 are cylindrical shape, and comprise a plane surface that is parallel to described column axis.In order to make the length maximization of line contact, described piston shoes 5 center center lines are to the distance of described plane surface, and this distance is between the radius of zero and piston shoes 5.
Another one technical scheme of the present invention, described variable inclined plane 4 is made as one with described hold-down head 3, makes described cam force application mechanism 1 and described hold-down head 3 in the process that compresses, and is the line contact of constant length.Be on described hold-down head 3 bodies, inclined plane 4 be designed to the inclined-plane of angle of inclination mayization.
Above-mentioned only is the wherein several embodiment of the present invention; all for guarantee eccentric cam 2 and extrusion head between the line contact length keep invariable; and adopt the technical scheme that changes at the inclination angle of extrusion head top incline 4, all within protection scope of the present invention.
Claims (9)
1, a kind of hold down gag of inner nozzle, the hold-down head (3) that comprises cam force application mechanism (1) and compress is characterized in that, is variable inclined plane (4) at the last contact-making surface with described cam force application mechanism (1) of described hold-down head (3).
2, the hold down gag of the described a kind of inner nozzle of claim 1 is characterized in that, on the described variable inclined plane (4), in described cam force application mechanism (1) and described hold-down head (3) compaction process, is the line contact of constant length.
3, the hold down gag of a kind of inner nozzle as claimed in claim 1 or 2, it is characterized in that, described variable tilted face (4) is made up of piston shoes (5) and piston shoes groove (6), in the process that described cam force application mechanism (1) and described hold-down head (3) progressively compress, piston shoes (5) rotate in piston shoes groove (6).
4, the hold down gag of a kind of inner nozzle as claimed in claim 3 is characterized in that, described piston shoes groove (6) is the circular groove of half opening, and piston shoes groove (6) cooperates with piston shoes (5).
5, the hold down gag of a kind of inner nozzle as claimed in claim 4 is characterized in that, is provided with certain distance between described piston shoes groove (6) the half opening two-end-point, and the length of this distance is between piston shoes groove (6) radius and diameter.
6, the hold down gag of a kind of inner nozzle as claimed in claim 4, it is characterized in that, the two ends of described piston shoes groove (6) bottom are provided with strip groove (7), and the straight line between the direction of described strip groove (7) and described piston shoes groove (6) the half opening two-end-point is perpendicular.
7, the hold down gag of a kind of inner nozzle as claimed in claim 4, it is characterized in that, be provided with screw (8) in the described strip groove (7), an end of this screw (8) is fixed on the described piston shoes (5), radially rotate with described piston shoes (5), prevent that described piston shoes (5) from endwisely slipping.
8, the hold down gag of a kind of inner nozzle as claimed in claim 3 is characterized in that, described piston shoes (5) are cylindrical shape, and comprises a plane surface that is parallel to described column axis.
9, the hold down gag of a kind of inner nozzle as claimed in claim 8 is characterized in that, described piston shoes (5) center center line is to the distance of described plane surface, and this distance is between the radius of zero and piston shoes (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100864738A CN100496813C (en) | 2007-03-13 | 2007-03-13 | Inner spout compactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100864738A CN100496813C (en) | 2007-03-13 | 2007-03-13 | Inner spout compactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101020236A CN101020236A (en) | 2007-08-22 |
| CN100496813C true CN100496813C (en) | 2009-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100864738A Active CN100496813C (en) | 2007-03-13 | 2007-03-13 | Inner spout compactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100496813C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6050798B2 (en) * | 2014-10-10 | 2016-12-21 | 住友ゴム工業株式会社 | Rubber strip manufacturing equipment |
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2007
- 2007-03-13 CN CNB2007100864738A patent/CN100496813C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101020236A (en) | 2007-08-22 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Maanshan Xinhai Refractory Material Co., Ltd. Assignor: Shuangyi Machinery Manufacturing Co., Ltd., Maanshan City Contract fulfillment period: 2009.8.28 to 2014.8.28 contract change Contract record no.: 2009340000235 Denomination of invention: Inner spout compactor Granted publication date: 20090610 License type: Exclusive license Record date: 2009.8.31 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.8.28 TO 2014.8.28; CHANGE OF CONTRACT Name of requester: MAANSHAN CITY XINHAI FIRE-PROOF MATERIAL LIMITED L Effective date: 20090831 |