CN214263241U - Connecting structure of rolling mill sliding plate and frame memorial archway - Google Patents
Connecting structure of rolling mill sliding plate and frame memorial archway Download PDFInfo
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- CN214263241U CN214263241U CN202022097880.2U CN202022097880U CN214263241U CN 214263241 U CN214263241 U CN 214263241U CN 202022097880 U CN202022097880 U CN 202022097880U CN 214263241 U CN214263241 U CN 214263241U
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Abstract
The utility model discloses a connection structure of rolling mill slide and frame memorial archway belongs to rolling mill accessory technical field, evenly be provided with a plurality of convex cylinder protective sheaths on the installation face of slide, be provided with a plurality of through-holes that link up frame memorial archway on the frame memorial archway, the through-hole with the outer wall clearance fit of protective sheath, the length of protective sheath is not more than through-hole length, still be provided with a plurality of bolt holes that link up the slide on the slide, the bolt hole with the protective sheath is coaxial, the bolt hole is including counter bore and the screw hole of intercommunication, the inner wall of protective sheath be provided with the same internal thread of screw hole, the slide with it is fixed to connect through screw bolt and nut between the frame memorial archway. The technical problems that in the prior art, the sliding plate bolt directly bears impact force, is easy to break, rust and fall off, and causes short service life and low production efficiency of the sliding plate are solved.
Description
Technical Field
The utility model relates to a rolling mill accessory, concretely relates to connection structure of rolling mill slide and frame memorial archway.
Background
A rolling mill generally comprises a housing, a roll mounted on the housing, and bearings defined by chocks mounted at the two axial ends of the roll. The rolling mill is in a severe environment when working, in the working process, rolling cooling water is rapidly atomized when encountering a red billet and carries iron oxide powder falling off from the surface of the billet to be sprayed all around, and the roller causes larger impact on the housing archways through the bearing seats.
In the steel rolling production, a rolling mill sliding plate is piled up and buried by iron oxide chips generated in the production, and splashed steel rolling cooling water is stored in the iron oxide chip pile, so that the iron oxide chip pile and the steel rolling cooling water jointly cause severe corrosion of a fastening bolt; because the locking effect is poor, the stand memorial archways shake when biting and removing the tail, and further the impact load of a fastening bolt of the sliding plate is large, so that the bolt is loosened and broken, and the performance and the precision of equipment are influenced; the slide plate fastening bolt of the frame memorial archway is broken, the slide plate can be broken, and the frame memorial archway can not be locked, so that scrap steel is caused, and the production is influenced.
The Chinese utility model patent document with publication number CN207372034 and publication date of 2018, 5 and 18 discloses a rolling mill frame sliding plate, wherein a ring-shaped closed sealing groove is arranged on the back surface of the sliding plate, and a sealing ring is arranged in the sealing groove; the sliding plate is evenly provided with a plurality of rows and a plurality of columns of countersunk bolt holes, the sliding plate is connected with the rack body through bolts, and the sealing ring is positioned between the sliding plate and the rack body to seal the sliding plate and the rack body. Through the sealing washer setting, spout phosphorus and cooling water and can't permeate the slide openly, slide and frame body are difficult for receiving the corruption, and then have prolonged the life of rolling mill frame and slide. Although the sliding plate and the frame body are sealed, corrosion of phosphorus spraying and cooling water to the sliding plate and the bolts can be relieved to a certain extent, in the technical scheme, the bolts still directly bear impact force, and the problem of fracture cannot be avoided in the long-term use process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a connection structure of rolling mill slide and frame memorial archway to among the solution prior art, the slide bolt directly bears the impact force, easy breaking off, corrosion, drop, cause the slide short-lived, technical problem that production efficiency is low.
The utility model is realized by adopting the following technical scheme.
The utility model provides a connection structure of rolling mill slide and frame memorial archway, evenly be provided with a plurality of convex cylinder protective sheaths on the installation face of slide, be provided with a plurality of through-holes that link up frame memorial archway on the frame memorial archway, the through-hole with the outer wall clearance fit of protective sheath, the length of protective sheath is not more than through-hole length, still be provided with a plurality of bolt holes that link up the slide on the slide, the bolt hole with the protective sheath is coaxial, the bolt hole is including counter bore and the screw hole of intercommunication, the inner wall of protective sheath be provided with the same internal thread of screw hole, the slide with it is fixed to connect through screw bolt and nut between the frame memorial archway.
Preferably, the periphery of the mounting surface of the sliding plate is provided with convex positioning clamping strips, the corresponding position of the mounting surface of the rack housing is provided with a positioning groove matched with the positioning clamping strips in size, and a sealing rubber gasket is arranged at the connecting position of the positioning groove and the positioning clamping strips.
Preferably, the head of the bolt is located in the counterbore, and a seal ring is arranged between the counterbore and the head of the bolt.
Preferably, a plurality of filling holes are uniformly formed in the mounting surface of the sliding plate, and graphite is filled in the filling holes.
Preferably, a plurality of lubricating grooves are uniformly formed in the working surface of the sliding plate, and a mixture of graphite and paraffin is arranged in each lubricating groove.
Preferably, the sliding plate comprises a base plate and a wear-resisting plate combined with the base plate, and the base plate and the wear-resisting plate are connected through a welding process or an explosion cladding process.
Preferably, the base plate is made of the same material as the rack housing.
Preferably, the edge of the wear plate is provided with a chamfer.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the connecting structure of the rolling mill sliding plate and the rack housing makes the protective sleeve directly connected with the rack housing through the arrangement of the protective sleeve, and replaces a bolt to bear the impact of shearing force, so that the bolt can be prevented from being broken due to the impact of the shearing force in the working process of the sliding plate; meanwhile, the direct contact of the bolt with cooling water, dephosphorization water and the like can be avoided, the corrosion of the bolt is delayed, the service life of the bolt is prolonged, the falling of the sliding plate is avoided, and the continuity of the production process is ensured.
(2) The connecting structure of the rolling mill sliding plate and the frame memorial archway can position the sliding plate in the installation process by arranging the positioning clamping strips and the positioning grooves, improves the convenience of sliding plate installation, and simultaneously avoids displacement of the sliding plate under the action of friction force and impact force in the working process of the sliding plate, so that the impact force and the shearing force on the protective sleeve can be reduced.
(3) The connecting structure of the rolling mill sliding plate and the frame housing can further buffer friction force and impact force through the arrangement of the sealing rubber gasket, and on the other hand, the contact surface of the sliding plate and the frame housing can be sealed, so that the contact surface is prevented from being corroded due to the penetration of cooling water and dephosphorization water in the working process, and the corrosion of bolts can also be avoided.
(4) The connecting structure of the rolling mill sliding plate and the frame memorial archway can avoid that cooling water, dephosphorization water, lubricating oil mixed with impurities and the like enter counter bores in the working process of equipment to cause corrosion and rusting of bolts and accelerate fracture by setting up the sealing ring, and the service life of the bolts is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a connecting structure of a rolling mill sliding plate and a rack housing of the present invention;
fig. 2 is a schematic structural view of a sliding plate in the connection structure of the rolling mill sliding plate and the rack housing of the present invention.
Reference numerals: 1-housing memorial archways, 2-sliding plates, 3-base plates, 4-wear plates, 5-protective sleeves, 6-through holes, 7-bolt holes, 8-counter bores, 9-threaded holes, 10-bolts, 11-nuts, 12-locator bars, 13-locating slots, 14-sealing rubber pads, 15-sealing rings, 16-filling holes, 17-lubrication slots, and 18-chamfers.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to the attached drawings 1-2, the embodiment provides a connecting structure of a rolling mill sliding plate and a rack housing, wherein a plurality of convex cylindrical protective sleeves 5 are uniformly arranged on the mounting surface of the sliding plate 2, a plurality of through holes 6 penetrating through the rack housing 1 are arranged on the rack housing 1, the through holes 6 are in clearance fit with the outer walls of the protective sleeves 5, the length of each protective sleeve 5 is not greater than that of the corresponding through hole 6, a plurality of bolt holes 7 penetrating through the sliding plate 2 are further arranged on the sliding plate 2, the bolt holes 7 are coaxial with the protective sleeves 5, each bolt hole 7 comprises a counter bore 8 and a threaded hole 9 which are communicated with each other, inner threads which are identical to the threaded holes 9 are arranged on the inner wall of each protective sleeve 5, and the sliding plate 2 and the rack housing 1 are fixedly connected through bolts 10 and nuts 11.
It should be noted that in the connection structure of the rolling mill sliding plate and the housing memorial archway provided by this embodiment, the installation surface of the sliding plate 2 refers to the surface installed in contact with the housing memorial archway 1, the installation surface of the sliding plate 2 is provided with the convex cylindrical protective sleeve 5, the housing memorial archway 1 is provided with the through hole 6, the through hole 6 is in clearance fit with the protective sleeve 5, the sliding plate 2 is provided with a plurality of bolt holes 7 penetrating the sliding plate 2, the bolt holes 7 are coaxial with the protective sleeve 5, the inner wall of the protective sleeve 5 is provided with the internal thread same as the threaded hole 9, by adopting this arrangement, the bolt 10 can be ensured to penetrate through the bolt holes 7 and the protective sleeve 5, and the fixation of the bolt 10 and the sliding plate 2 is realized, in the installation process of the sliding plate 2 and the housing memorial archway 1, the protective sleeve 5 on the sliding plate 2 penetrates through the through hole 6 of the housing memorial archway 1 until the sliding plate 2 is attached to the installation surfaces of the housing memorial archway 1, and then screwing the bolt 10 into the bolt hole 7 and the protective sleeve 5 until the tail part of the bolt 10 reaches the back of the rack housing 1, and adopting a nut 11 matched with the bolt 10 in size to realize the fixed connection between the sliding plate 2 and the rack housing 1. Through the arrangement of the protective sleeve 5, the protective sleeve 5 is directly connected with the rack housing 1 and directly impacted by the shearing force, so that the direct connection between the bolt 10 and the rack housing 1 is avoided, and the bolt 10 is prevented from being broken due to the impact of the shearing force in the working process of the sliding plate 2; meanwhile, the direct contact of the bolt 10 with cooling water, dephosphorization water and the like can be avoided, and the corrosion of the bolt 10 is delayed, so that the fracture probability of the bolt 10 can be reduced through the arrangement of the protective sleeve 5, the service life of the bolt 10 is prolonged, the falling of the sliding plate 2 is avoided, and the continuity of the production process is ensured. It should be noted that, the effect of the protection sleeve 5 lies in replacing the bolt 10 to bear the impact of the shearing force, so there is a certain requirement for the strength of the protection sleeve 5, and in the actual production process, from the perspective of saving cost, the rack housing 1 is generally made of common steel, so the hardness is not high, if the material hardness that the protection sleeve 5 adopts is too high, then the connection between the protection sleeve 5 and the rack housing 1 is a hard-hard connection, under the effect of the impact force, the softer rack housing 1 is more easily damaged, therefore, the utility model discloses in order to improve the strength of the protection sleeve 5, the mode of increasing the wall thickness of the protection sleeve 5 can be mainly adopted, and the technical staff in the art can carry out adaptive design on the wall thickness of the protection sleeve 5 according to the actual production situation, and does not do not specifically limit here. What need explain in addition, the utility model discloses in, the length of protective sheath 5 is not more than through-hole 6 length, prescribes a limit to length relation between them, guarantees that bolt 10 can pass protective sheath 5 and extend to the back of frame memorial archway 1 to the nut 11 of screw in can directly support the back of frame memorial archway 1, with the back zonulae occludens of frame memorial archway 1, reaches slide 2 and the firm connection of frame memorial archway 1.
Preferably, the periphery of the installation surface of the sliding plate 2 is provided with convex positioning clamping strips 12, the corresponding position of the installation surface of the rack housing 1 is provided with a positioning groove 13 matched with the positioning clamping strips 12 in size, and a sealing rubber gasket 14 is arranged at the connection position of the positioning groove 13 and the positioning clamping strips 12.
It should be noted that the installation surface of the housing memorial archway 1 refers to the surface connected and installed with the sliding plate 2, the peripheral edge of the installation surface of the sliding plate 2 is provided with the positioning clamping strips 12, and the installation surface of the rack housing 1 is provided with a positioning groove 13 matched with the rack housing, so that the sliding plate 2 can be positioned in the installation process, the installation convenience of the sliding plate 2 is improved, meanwhile, in the working process of the sliding plate 2, the sliding plate 2 is prevented from shifting under the action of friction force and impact force, therefore can reduce impact force and the shearing force to protective sheath 5, sealed cushion 14 that the junction of constant head tank 13 and locator card strip 12 set up can further cushion frictional force and impact force on the one hand, and on the other hand can seal the contact surface of slide 2 and frame memorial archway 1, avoids the infiltration of cooling water and dephosphorization water in the course of the work, causes the corrosion of contact surface, also can avoid the corrosion of bolt 10. The utility model discloses do not have the restriction to the material of sealed cushion 14, the suitable sealed model of filling up of field technical personnel according to specific operational environment selection can.
Preferably, the head of the bolt 10 is located in the counterbore 8, and a sealing ring 15 is arranged between the counterbore 8 and the head of the bolt 10.
It should be noted that, by the arrangement of the seal ring 15, it can be avoided that cooling water, dephosphorization water, and lubricating oil mixed with impurities, etc. enter the counter bore 8 during the operation of the equipment, which causes corrosion and rusting of the bolt 10 and accelerated fracture, and prolongs the service life of the bolt 10.
Preferably, a plurality of filling holes 16 are uniformly formed in the mounting surface of the sliding plate 2, and the filling holes 16 are filled with graphite.
It should be noted that, by forming the plurality of filling holes 16 in the mounting surface and filling graphite, the frictional resistance between the mounting surface and the mill housing or the bearing seat can be greatly reduced and the frictional loss can be reduced based on the lubricity of graphite. It should be noted that the number, arrangement and shape of the filling holes 16 in the present invention are not limited by the embodiment, and in general, the more the number of the filling holes 16 is, the more uniform the arrangement is, the better the lubricating performance is, but those skilled in the art should combine the mechanical performance of the slide plate 2 and the cost in practical operation.
Preferably, a plurality of lubricating grooves 17 are uniformly formed in the working surface of the sliding plate 2, and a mixture of graphite and paraffin is arranged in the lubricating grooves 17.
The working surface of the sliding plate 2 is a surface involved in sliding friction, paraffin melts to form flowing lubricating oil under high temperature and friction conditions, and graphite has certain lubricity, so that friction loss can be greatly reduced. Mixtures of graphite and paraffin are common lubricants for self-lubricating skids in the art and are commercially available. It should be noted that the number, arrangement and shape of the lubricating grooves 17 are not limited by the embodiment of the present invention, and in general, the more the number of the lubricating grooves 17 is, the more uniform the arrangement is, the better the lubricating performance is, but those skilled in the art should consider the mechanical performance and cost of the slide plate 2 in practical operation.
Preferably, the sliding plate 2 comprises a base plate 3 and a wear-resistant plate 4 combined with the base plate 3, and the base plate 3 and the wear-resistant plate 4 are connected through a welding process or an explosion cladding process.
It should be noted that, by combining the wear-resistant plate 4 and the base plate 3, the wear resistance of the wear-resistant plate 4 can be ensured, the loss of the housing bay 1 can be effectively reduced, and the service life of the housing bay 1 can be prolonged. The two can adopt welding or explosive cladding process to connect, more preferably, adopt explosive cladding process to connect, the faying face does not have the welding seam, can guarantee that both just combine inseparabler, improves slide 2 holistic mechanical properties.
Preferably, the material of the substrate 3 is the same as that of the housing memorial archway 1.
As mentioned above, the material of the substrate 3 is the same as that of the housing arch 1, so that the substrate and the housing arch 1 are prevented from being connected in a soft and hard manner to cause accelerated damage to the housing arch 1.
Preferably, the wear plate 4 is provided with a chamfer 18 at its edge. The chamfer 18 is provided to facilitate the installation and use of the slide plate 2.
To sum up, the connecting structure of the rolling mill sliding plate and the rack housing of the utility model has the advantages that the protective sleeve 5 is directly connected with the rack housing 1 through the arrangement of the protective sleeve 5 to replace the bolt 10 to bear the impact of the shearing force, so that the bolt 10 can be prevented from being broken due to the impact of the shearing force in the working process of the sliding plate 2; meanwhile, the direct contact of the bolt 10 with cooling water, dephosphorization water and the like can be avoided, the corrosion of the bolt 10 is delayed, the service life of the bolt 10 is prolonged, the falling of the sliding plate 2 is avoided, and the continuity of the production process is ensured. The technical problems that in the prior art, the bolt 10 of the sliding plate 2 directly bears impact force, and the sliding plate 2 is easy to break, rust and fall off, so that the service life of the sliding plate 2 is short and the production efficiency is low are solved.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.
Claims (8)
1. A connecting structure of a rolling mill sliding plate and a frame housing is characterized in that a plurality of convex cylindrical protective sleeves (5) are uniformly arranged on the mounting surface of the sliding plate (2), a plurality of through holes (6) which run through the rack housing (1) are arranged on the rack housing (1), the through hole (6) is in clearance fit with the outer wall of the protective sleeve (5), the length of the protective sleeve (5) is not more than that of the through hole (6), the sliding plate (2) is also provided with a plurality of bolt holes (7) which penetrate through the sliding plate (2), the bolt hole (7) is coaxial with the protective sleeve (5), the bolt hole (7) comprises a counter bore (8) and a threaded hole (9) which are communicated, the inner wall of the protective sleeve (5) is provided with internal threads the same as the threaded holes (9), the sliding plate (2) and the rack housing (1) are fixedly connected through a bolt (10) and a nut (11).
2. The connecting structure of the rolling mill sliding plate and the rack housing according to claim 1, characterized in that a protruding positioning clamping strip (12) is arranged on the periphery of the mounting surface of the sliding plate (2), a positioning groove (13) matched with the positioning clamping strip (12) in size is arranged at the corresponding position of the mounting surface of the rack housing (1), and a sealing rubber gasket (14) is arranged at the connecting position of the positioning groove (13) and the positioning clamping strip (12).
3. The connecting structure of the rolling mill sliding plate and the stand housing according to claim 1, wherein the head of the bolt (10) is located in the counter bore (8), and a sealing ring (15) is arranged between the counter bore (8) and the head of the bolt (10).
4. The connecting structure of the rolling mill sliding plate and the housing memorial archway according to claim 1, wherein a plurality of filling holes (16) are uniformly formed in the mounting surface of the sliding plate (2), and the filling holes (16) are filled with graphite.
5. A rolling mill sliding plate and housing memorial archway connection structure as claimed in claim 1, characterized in that a plurality of lubrication grooves (17) are uniformly formed on the working surface of the sliding plate (2).
6. A rolling mill sliding plate and housing window connecting structure according to claim 1, wherein the sliding plate (2) comprises a base plate (3) and a wear plate (4) combined with the base plate (3), and the base plate (3) and the wear plate (4) are connected through a welding process.
7. The connecting structure of the rolling mill sliding plate and the housing memorial archway according to claim 6, wherein the base plate (3) is made of the same material as the housing memorial archway (1).
8. A rolling mill skid plate and housing bay connection structure as claimed in claim 6, wherein said wear plates (4) are provided with chamfers (18) at their edges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022097880.2U CN214263241U (en) | 2020-09-23 | 2020-09-23 | Connecting structure of rolling mill sliding plate and frame memorial archway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022097880.2U CN214263241U (en) | 2020-09-23 | 2020-09-23 | Connecting structure of rolling mill sliding plate and frame memorial archway |
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| CN214263241U true CN214263241U (en) | 2021-09-24 |
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| CN202022097880.2U Active CN214263241U (en) | 2020-09-23 | 2020-09-23 | Connecting structure of rolling mill sliding plate and frame memorial archway |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113882905A (en) * | 2021-11-03 | 2022-01-04 | 北京星际荣耀科技有限责任公司 | Disc shaft connecting structure, turbopump and liquid rocket engine |
-
2020
- 2020-09-23 CN CN202022097880.2U patent/CN214263241U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113882905A (en) * | 2021-11-03 | 2022-01-04 | 北京星际荣耀科技有限责任公司 | Disc shaft connecting structure, turbopump and liquid rocket engine |
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