JPH0451013Y2 - - Google Patents
Info
- Publication number
- JPH0451013Y2 JPH0451013Y2 JP15331487U JP15331487U JPH0451013Y2 JP H0451013 Y2 JPH0451013 Y2 JP H0451013Y2 JP 15331487 U JP15331487 U JP 15331487U JP 15331487 U JP15331487 U JP 15331487U JP H0451013 Y2 JPH0451013 Y2 JP H0451013Y2
- Authority
- JP
- Japan
- Prior art keywords
- fastened
- fastening
- members
- fastening member
- hole
- 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
Links
- 238000005452 bending Methods 0.000 claims description 12
- 238000009749 continuous casting Methods 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Connection Of Plates (AREA)
- Clamps And Clips (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、連続鋳造設備の鋳型と外枠との締結
装置等相対すべりの生ずる二個の被締結部材の締
結装置に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a fastening device for two members to be fastened where relative slippage occurs, such as a fastening device for a mold and an outer frame of continuous casting equipment.
従来の締結装置の一例を第３図に示す。１は一
方の被締結部材、２は他方の金属製の被締結部材
で、両者は、ねじ部３ｂで被締結部材１に螺合さ
れた一体の金属製の締結部材３、座金７、ナツト
８によつて締結されている。連続鋳造設備の場合
には、被締結部材１が鋳型、被締結部材２が鋳型
を保持するジャケツトと外枠に相当し、被締結部
材１の被締結部材２の反対側が溶湯側となつてい
る。また、鋳型である被締結部材１はグラフアイ
ト、セラミツクス等の焼結材料で製作されてい
る。
An example of a conventional fastening device is shown in FIG. 1 is one fastened member, 2 is the other metal fastened member, and both are an integrated metal fastening member 3, a washer 7, and a nut 8 screwed to the fastened member 1 at a threaded portion 3b. It has been concluded by. In the case of continuous casting equipment, the member to be fastened 1 corresponds to the mold, the member to be fastened 2 corresponds to the jacket and outer frame that hold the mold, and the side of the member to be fastened 1 opposite to the member to be fastened 2 is the molten metal side. . Further, the member to be fastened 1, which is a mold, is made of a sintered material such as graphite or ceramics.
連続鋳造装置の鋳型は、第３図に示すように上
記のように締結された被締結部材１，２及び１′，
２′を重ね合わせ、被締結部材１，１′間に形成さ
れる空間Ａに溶湯を注湯するようになつている。 As shown in FIG. 3, the mold of the continuous casting apparatus has members 1, 2 and 1', which are fastened as described above.
2' are placed one on top of the other, and molten metal is poured into a space A formed between the fastened members 1 and 1'.
上記連続鋳造設備等の締結装置には、次のよう
な問題点がある。
The fastening devices of the continuous casting equipment and the like have the following problems.
(1) 部材１と部材２の温度差及び異材による線膨
張係数差等により、基準点から離れた位置に設
けられた締結部の両部材１，２間には当接面Ａ
と平行方向に相対すべり（δ＝δ1−δ2）を生じ
る。(1) Due to the temperature difference between member 1 and member 2 and the difference in linear expansion coefficient due to different materials, there is a contact surface A between both members 1 and 2 of the fastening part provided at a position far from the reference point.
A relative slip (δ = δ 1 − δ 2 ) occurs in the direction parallel to .
(2) この時、ナツト８座面では締付力×摩擦係数
の摩擦力が作用し、これによつて、締結部材３
には大きな曲げモーメントが作用し、部材１の
ねじ部３ｂには、初締付力と曲げモーメントに
よる大きな応力が作用する。(2) At this time, a friction force equal to the tightening force x friction coefficient acts on the seat surface of the nut 8, and as a result, the fastening member 3
A large bending moment acts on the member 1, and a large stress due to the initial tightening force and the bending moment acts on the threaded portion 3b of the member 1.
(3) 一方の被締結部材１がグラフアイト等で製作
されている連続鋳造装置用の締結装置等の場合
には、締結部材３のねじ底公称応力にして１Kg
ｆ／mm2程度でねじ部にクラツクの発生が認めら
れ、上記従来の装置では、ねじ部の破損トラブ
ルが多発していた。(3) In the case of a fastening device for continuous casting equipment where one fastened member 1 is made of graphite or the like, the nominal stress at the thread bottom of the fastening member 3 is 1 kg.
Cracks were observed to occur in the threaded portion at approximately f/mm 2 , and in the above-mentioned conventional device, troubles such as damage to the threaded portion occurred frequently.
本考案は上記のような問題点を解決しようとす
るものである。 The present invention is an attempt to solve the above-mentioned problems.
本考案に係る締結装置は、一方の被締結部材に
設けられた応力緩和部材と、他方の被締結部材の
孔部に収容され上記応力緩和部材と他方の被締結
部材とに接続され曲げ剛性が小さく張力を伝達す
る締結部材とを備え、上記締結部材と上記他方の
被締結部材の孔部との間には両者が接触しないよ
うにすき間を設けた。
The fastening device according to the present invention has a stress relaxation member provided on one member to be fastened, and a stress relaxation member that is accommodated in a hole of the other member to be fastened and connected to the stress relaxation member and the other member to be fastened, and has a bending rigidity. A fastening member that transmits a small tension is provided, and a gap is provided between the fastening member and the hole of the other fastened member so that the two do not come into contact with each other.
本考案は、上記の手段を採用したことによつて
次の作用を奏する。
The present invention achieves the following effects by employing the above means.
(1) 締結部材は曲げ剛性を小さくしたゝめに、両
方の被締結部材に相対変位が生じても被締結部
材に曲げモーメントによる応力が作用せず、作
用応力を大幅に小さくすることができた。(1) Since the fastening members have low bending rigidity, even if a relative displacement occurs in both fastened members, stress due to bending moment does not act on the fastened members, and the applied stress can be significantly reduced. Ta.
他方両被締結部材を締結するための張力（締
付力）は同締結部材によつて被締結部材に伝え
られる。 On the other hand, the tension (tightening force) for fastening the two fastened members is transmitted to the fastened members by the fastening member.
(2) 締結部材と一方の被締結部材とは応力緩和部
材を介して接続されているので、局部的な応力
の集中を緩和でき、同一方の被締結部材の接続
部のクラツクの発生を避けることができる。(2) Since the fastening member and one of the fastened members are connected via a stress relaxation member, local concentration of stress can be alleviated and cracks can be avoided at the connection between the same fastened member. be able to.
(3) 締結部材と他方の締結部材の孔部との間には
両者が接触しないだけのすき間を設けたため、
両被締結部材間の相対変位が起つても、締結部
材と他方の被締結部材は接触することはなく、
これに起因する異常な拘束力の発生が防止でき
る。(3) A gap was provided between the fastening member and the hole in the other fastening member to prevent them from coming into contact with each other.
Even if a relative displacement occurs between the two fastened members, the fastening member and the other fastened member will not come into contact with each other.
It is possible to prevent the occurrence of abnormal binding force due to this.
本考案の一実施例を第１図に示す。 An embodiment of the present invention is shown in FIG.
１はグラフアイト製の例えば連続鋳造設備の鋳
型を構成する被締結部材、２はステンレス鋼製の
例えば連続鋳造設備のジヤケツトと外枠を構成す
る被締結部材、３，４，５はそれぞれ締結部材の
保持ねじ部、締付ねじ部及びばねを示す。６は
銅、アルミ合金、温度が低い場合にはプラスチツ
ク等で作られた応力緩和部材、７は座金、８は締
結ナツトを示す。上記応力緩和部材６の内外面に
はねじが形成されている。 1 is a member to be fastened made of graphite, for example, constituting a mold of continuous casting equipment; 2 is a member to be fastened, made of stainless steel, for example, forming a jacket and outer frame of continuous casting equipment; 3, 4, and 5 are fastening members, respectively. The retaining screw part, tightening screw part and spring are shown. Reference numeral 6 indicates a stress relaxation member made of copper, aluminum alloy, or plastic when the temperature is low, 7 indicates a washer, and 8 indicates a fastening nut. Threads are formed on the inner and outer surfaces of the stress relaxation member 6.
被締結部材１の未貫通ねじ部１ａに応力緩和部
材６を螺入して装着し保持ねじ部３を同応力緩和
部材６中に締付ける。保持ねじ部３の孔部３ａ及
び締付ねじ部４の孔部４ａによつて保持ねじ部３
締付ねじ部４及びばね５を互いに接続し、被締結
部材２の孔部２ａに挿入して座金７をはめ、つか
み部４ｂをつかんでナツト８で被締結部材１，２
を当接させて締付ける。 The stress relaxation member 6 is screwed into the non-penetrating threaded portion 1a of the member 1 to be fastened, and the holding screw portion 3 is tightened into the stress relaxation member 6. The holding screw part 3 is held by the hole 3a of the holding screw part 3 and the hole 4a of the tightening screw part 4.
Connect the tightening screw part 4 and the spring 5 to each other, insert it into the hole 2a of the member 2 to be fastened, fit the washer 7, grasp the grip part 4b, and tighten the member 1, 2 with the nut 8.
Touch and tighten.
Ａは、両被締結部材１，２の当接面を示す。孔
部２ａの孔径Ｄ、締結部材の保持ねじ部３、締付
ねじ部４及びばね５の外径ｄとの間には両被締結
部材１，２間の相対的移動で被締結部材２と締結
部材が接触しないだけの十分のすき間（Ｄ−ｄ）
を設けた。 A indicates the contact surface of both fastened members 1 and 2. Between the hole diameter D of the hole 2a, the holding screw portion 3 of the fastening member, the tightening screw portion 4, and the outer diameter d of the spring 5, there is a difference between the fastening member 2 and the fastening member 2 due to relative movement between the fastening members 1 and 2. Sufficient clearance so that the fastening members do not touch (D-d)
has been established.
本実施例は以上のように構成されているので、
締結部材のばね５の張力は両被締結部材１，２間
の当接面Ａに作用して両被締結部材１，２を密接
させ締結する。また被締結部材１，２間に温度
差、線膨張係数差等によつて当接面Ａに沿う相対
変位が生じても、締結部材のばね５の曲げ剛性は
極めて小さいために被締結部材１に曲げモーメン
トによる応力が作用しない。この際、締結部材と
被締結部材２の孔部２ａ間には十分なすき間（Ｄ
−ｄ）が設けられていて両者が接触することがな
く、異常な拘束力の発生を防ぐことができる。 Since this embodiment is configured as described above,
The tension of the spring 5 of the fastening member acts on the contact surface A between the two fastened members 1 and 2, bringing the fastened members 1 and 2 into close contact with each other and fastening them together. Furthermore, even if a relative displacement occurs along the contact surface A between the fastened members 1 and 2 due to a temperature difference, a difference in linear expansion coefficient, etc., the fastened members 1 and 2 No stress due to bending moment acts on. At this time, there is a sufficient gap (D) between the fastening member and the hole 2a of the fastened member 2.
-d) is provided so that the two do not come into contact with each other, and it is possible to prevent the generation of abnormal restraint force.
更に、締結部材の保持ねじ部３は応力緩和部材
６を介して被締結部材１に連結されているため
に、被締結部材１における局部的な応力集中を緩
和することができ、同被締結部材１のねじ部にお
けるクラツクの発生を防ぐことができる。 Furthermore, since the holding screw portion 3 of the fastening member is connected to the fastened member 1 via the stress relaxation member 6, local stress concentration in the fastened member 1 can be alleviated, and the fastened member It is possible to prevent cracks from occurring in the threaded portion of No. 1.
また更に、締結部材の一部にばね５を用いるこ
とによつて、締結部材全体としての伸び剛性を小
さくすることができ、使用中の負荷（熱）による
張力の変動を小さく抑えることができる。 Furthermore, by using the spring 5 as a part of the fastening member, the elongation rigidity of the fastening member as a whole can be reduced, and fluctuations in tension due to load (heat) during use can be suppressed.
本考案の他の実施例を第２図に示す。 Another embodiment of the invention is shown in FIG.
１はグラフアイト製の被締結部材、２はステン
レス鋼製の被締結部材、１３は締結部材を示す。
上記両被締結部材１，２は、被締結部材２の孔部
２ａの上部の外側に孔部２ａより径の大きい孔部
２ｂが上面から設けられている点を除いては、第
１図に示されたものと同一の構造を備えている。
１３は、中間部をワイヤ部１３ａとし、両側にね
じを有する軸１３ｂ，１３ｃを溶接１３ｅ，１３
ｆにより接合されている。締結部材１３の被締結
部材１側のねじ部１３ｂは、他の部分より若干大
径とし、被締結部材１のねじとの間に対応するね
じを有する第１図に示されると同様の応力緩和部
材６を介在させた。 1 is a fastened member made of graphite, 2 is a fastened member made of stainless steel, and 13 is a fastened member.
Both of the fastened members 1 and 2 are shown in FIG. 1 except that a hole 2b having a larger diameter than the hole 2a is provided from above on the outside of the upper part of the hole 2a of the fastened member 2. It has the same structure as shown.
13, the middle part is a wire part 13a, and the shafts 13b, 13c having screws on both sides are welded 13e, 13.
They are joined by f. The threaded portion 13b of the fastening member 13 on the side of the member to be fastened 1 has a slightly larger diameter than the other parts, and has a corresponding thread between it and the thread of the member to be fastened 1 to provide stress relief similar to that shown in FIG. A member 6 was interposed.
締結部材１のねじ部の孔１ａは、シール機能を
考慮して貫通させていないが、制限がなければ貫
通させてもよい。 Although the hole 1a of the threaded portion of the fastening member 1 is not made to pass through in consideration of the sealing function, it may be made to pass therethrough if there is no restriction.
締結部材２の孔部２ａの部材１の反対側の上端
部には、上記のように段付き孔部２ｂを設けて、
ここにばね１５を装着し、座金１７を介して締結
部材の上部１３ｄを持つてナツト１８を廻してね
じ軸１３ｃに螺合させることによつて、締結部材
１３にばね１５の圧縮による初締付け力を与え、
被締結部材１，２を締結する。Ａは被締結部材
１，２の当接面を示す。 At the upper end of the hole 2a of the fastening member 2 on the side opposite to the member 1, a stepped hole 2b is provided as described above.
By attaching the spring 15 here, holding the upper part 13d of the fastening member through the washer 17, and turning the nut 18 to screw it onto the screw shaft 13c, the initial tightening force due to the compression of the spring 15 is applied to the fastening member 13. give,
The members 1 and 2 to be fastened are fastened. A indicates the contact surface of the members 1 and 2 to be fastened.
締結部材１３と被締結部材２の孔部２ａとの間
には、被締結部材１，２が相対変位を生じても接
触しないだけのすき間（Ｄ−ｄ）が設けられてい
る。 A gap (D-d) is provided between the fastening member 13 and the hole 2a of the fastened member 2 so that the fastened members 1 and 2 do not come into contact even if the fastened members 1 and 2 undergo relative displacement.
本実施例においては、ばね１５の圧縮による力
は、締結部材１３を介して両被締結部材１，２の
当接面Ａに伝達されて両部材は締結される。 In this embodiment, the force due to the compression of the spring 15 is transmitted to the abutting surfaces A of both members 1 and 2 to be fastened via the fastening member 13, so that both members are fastened.
また、上記第１図に示す実施例と同様に、締結
部材１３は中間のワイヤ部１３ａを有していて曲
げ剛性が小さく、締結部材１３は応力緩和部材６
を介して被締結部材１に接続されており、また締
結部材１３と被締結部材の孔部２ａとの間には十
分なすき間（Ｄ−ｄ）が形成されているので、両
被締結部材１，２間に相対変位が生じても被締結
部材１に曲げモーメントによる応力が作用するこ
とが避けられ、被締結部材１における局部的な応
力の集中を防ぎ、また締結部材１３と被締結部材
２との接触に起因する拘束力の発生を防ぐことが
できる。 Further, similarly to the embodiment shown in FIG. 1, the fastening member 13 has an intermediate wire portion 13a and has low bending rigidity,
Since the fastening member 13 and the hole 2a of the fastening member 1 are connected to the fastened member 1 through the , even if a relative displacement occurs between the fastened member 13 and the fastened member 2, stress due to bending moment is prevented from acting on the fastened member 1, local stress concentration in the fastened member 1 is prevented, and the fastened member 13 and the fastened member 2 It is possible to prevent the generation of binding force due to contact with
なお本実施例では第２図に示すように、締結部
材１３の中間部１３ａを曲げ剛性の小さいワイヤ
構造としたが、要は曲げ剛性が小さいものであれ
ばよく、ワイヤ以外にくさり、自在ピン又は球面
座等を利用することもできる。 In this embodiment, as shown in FIG. 2, the intermediate portion 13a of the fastening member 13 has a wire structure with low bending rigidity, but the point is that any material with low bending rigidity may be used, and a flexible pin may be used instead of a wire. Alternatively, a spherical seat etc. can also be used.
本考案は、曲げ剛性が小さく、張力を伝達する
締結部材を用い、締結部材と一方の被締結部材と
を応力緩和部材を介して接続し、締結部材と他方
の被締結部材の孔部との間に両部材の接触を防ぐ
十分なすき間を設けているために、両被締結部材
間に相対すべりや熱負荷による一方の被締結部材
の締結部材との接続部に作用する応力を大幅に低
減でき、強度信頼性の大きなねじ締結装置を提供
することができる。
The present invention uses a fastening member that has low bending rigidity and transmits tension, connects the fastening member and one fastened member via a stress relaxation member, and connects the fastening member to the hole of the other fastened member. Since there is a sufficient gap between the two members to prevent contact between the two members, the stress that is applied to the connection between one member and the other member due to relative slippage and thermal load is significantly reduced. This makes it possible to provide a screw fastening device with high strength and reliability.
第１図は本考案の一実施例の断面図、第２図は
本考案の他の実施例の断面図、第３図は従来の締
結装置の断面図、第４図は連続鋳造設備の鋳型の
説明図である。
１，２……被締結部材、３……締結部材の保持
ねじ部、４……締結部材の締付ねじ部、５……締
結部材のばね、６……応力緩和部材、７……座
金、８……ナツト、１３……締結部材、１３ａ…
…締結部材の中間部、１３ｂ，１３ｃ……締結部
材のねじ軸、１５……ばね、１７……座金、１８
……ナツト。
Fig. 1 is a sectional view of one embodiment of the present invention, Fig. 2 is a sectional view of another embodiment of the invention, Fig. 3 is a sectional view of a conventional fastening device, and Fig. 4 is a mold of continuous casting equipment. FIG. DESCRIPTION OF SYMBOLS 1, 2... Member to be fastened, 3... Holding screw part of fastening member, 4... Tightening thread part of fastening member, 5... Spring of fastening member, 6... Stress relaxation member, 7... Washer, 8... Nut, 13... Fastening member, 13a...
...Intermediate portion of fastening member, 13b, 13c...Screw shaft of fastening member, 15...Spring, 17...Washer, 18
...Natsuto.
Claims (1)
及び他方の被締結部材の孔部に収容され上記応力
緩和部材と他方の被締結部材とに接続され曲げ剛
性が小さく張力を伝達する締結部材を備え、上記
締結部材と上記他方の被締結部材の孔部との間に
すき間が設けられていることを特徴とする二個の
被締結部材の締結装置。 a stress relaxation member attached to one of the fastened members;
and a fastening member that is accommodated in the hole of the other fastened member, is connected to the stress relaxation member and the other fastened member, and has low bending rigidity and transmits tension; A fastening device for two fastened members, characterized in that a gap is provided between the holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15331487U JPH0451013Y2 (en) | 1987-10-08 | 1987-10-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15331487U JPH0451013Y2 (en) | 1987-10-08 | 1987-10-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0160747U JPH0160747U (en) | 1989-04-18 |
| JPH0451013Y2 true JPH0451013Y2 (en) | 1992-12-01 |
Family
ID=31429041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15331487U Expired JPH0451013Y2 (en) | 1987-10-08 | 1987-10-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0451013Y2 (en) |
-
1987
- 1987-10-08 JP JP15331487U patent/JPH0451013Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0160747U (en) | 1989-04-18 |
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