CN201791749U - Rolling mill guiding and guarding device - Google Patents
Rolling mill guiding and guarding device Download PDFInfo
- Publication number
- CN201791749U CN201791749U CN2010205378860U CN201020537886U CN201791749U CN 201791749 U CN201791749 U CN 201791749U CN 2010205378860 U CN2010205378860 U CN 2010205378860U CN 201020537886 U CN201020537886 U CN 201020537886U CN 201791749 U CN201791749 U CN 201791749U
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- guide
- guard
- gusset
- cooling manifold
- roller guide
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Abstract
The utility model discloses a rolling mill guiding and guarding device which comprises an upper guiding and guarding rack, reinforcing rib plates arranged on the body of the upper guiding and guarding rack, a pressing plate arranged on the reinforcing rib plate, a sliding plate arranged on the pressing plate, a first cooling manifold and a second cooling manifold, wherein two sides of the body of the upper guiding and guarding rack are both provided with an upper reinforcing rib plate and a lower reinforcing rib plate arranged in step shape, the upper reinforcing rib plates are closer to the outer sides of the upper guiding and guarding rack than the lower reinforcing rib plates, and the upper reinforcing rib plates and the lower reinforcing rib plates are arranged on the outer side of the second cooling manifold. By adopting the rolling mill guiding and guarding device, equipment failure can be obviously reduced, daily operability of the rolling mill can be improved; furthermore, the structure is simple, and the operation is convenient.
Description
Technical field
The utility model relates to a kind of guide and guards, relates in particular to a kind of guide and guards that is suitable for rougher of hot strip mill machine and heavy and medium plate mill use.
Background technology
Usually, in the operation of rolling of milling train, prevent rolled piece end bending by guide and guards.The guide and guards of tradition roughing mill mainly is made up of the last guide and guard frame in the last guide and guard frame assembling, upper support roller cooling manifold, top working roll cooling manifold, last descaling header, reinforcement gusset, slide plate, upper holder block, bolt assembly etc.The capital equipment related with traditional guide and guard cooling device comprise wedge key on the upper rail that is installed on the mill housing, the breast roll, the guide and guard lifting device that comprises the guide and guard lift cylinder, link plate, go up guide and guard high temperature flexible pipe and the working roll that joins with last guide and guard frame on saddle.In traditional roller guide and guard unit, the cooling device of guide and guards by saddle servo-actuated on guide and guard lifting device and the working roll in top roll is, horizontal direction is by the supporting upper rail location of installing on the memorial archway, again with guide and guards in slide plate, strengthen gusset, upper holder block, bolt assembly, go up gathering sill and cooperates, thereby the sliding connection of realization guide and guards.The upward cooling and the descaling header of guide and guards are connected in link plate by the HTHP flexible pipe, realize the conveying function of medium.
Fig. 1 shows the last guide and guard frame assembled construction schematic diagram in the guide and guards of traditional roughing mill.With reference to Fig. 1, the last guide and guard frame 1 of guide and guards adopts " L " shape structure usually, to realize seamlessly transitting between guide and guards and the milling train, avoids rolled piece to enter and produces equipment breakdown therebetween.Specifically, near on be equipped with by upper holder block 17 in the length range at guide and guard frame 1 top about 40% and be positioned at strengthen gusset 12 ' on the upper rail pair gathering sill formed of slide plate 15 as the moving guide rail of this device, therefore, last guide and guard frame 1 is to connect stress point at the initial two ends of " L " shape structure (A as shown in fig. 1, B 2 points) with relevant top roll.Gathering sill that is assembled on last guide and guard frame by upper holder block 17 and slide block 15 and upper rail 9 cooperate as the supporting guide of this device and form the guideway shown in the B point among Fig. 1.Yet the pressure that guideway forms is in triangular distribution owing to be subjected to the disturbing moment effect, and upper rail is secondary to form heavily stressed contact, causes slide plate and upper rail intermetallic wearing and tearing inefficacy rapidly, guideway rigidity difference and can not satisfy normally carrying out of guiding work.
In addition, traditional roughing mill adopts wedge key open frame roller also to have the big design feature of rigidity, and the main stressed member of rolling-mill housing is a mill housing, and the guiding correctness owing to design the limited location of guideway, can't be broken through in the bottom of last guide and guard frame 1 on frame; And, the mode that the last guide and guard frame of tradition roller guide and guard unit adopts oil cylinder or boatswain chair to hang is connected on equalizer bar or the memorial archway, guide and guards is when the motion of servo-actuated top roll system, guide and guards does not utilize the equilibrant force of lifting device, gap on the last guide and guard frame of elimination guide and guards and the working roll between the saddle, guide and guards is the related size of each connector with top roll, will have a strong impact on the retentivity of the kinematic accuracy and the precision of guide and guards guide rail.
Therefore, for jam frequently appears in the guiding slipper that prevents roller guide and guard unit, the guide and guard function can not normally come into operation, easily cause breaks in production, guarantee the product quality in kind, frequent breakage milling train auxiliary device when control panel shape is bad avoids producing steel scrap and device security accident, reduction equipment repair cost, the appearance of novel rolling mill guide and guards necessitates.
The utility model content
The purpose of this utility model is to provide a kind of novel rolling mill guide and guards, by changing guide frame, solve guide and guards jam and guide and guard frame and wiper and seamlessly transit problem, avoid returning to zero and can not normally finishing after guide and guards jam breaks in production and the roll change, elimination band steel penetrates the guide and guard assembling and causes accident potential such as roll breakage.
To achieve these goals, the utility model provides a kind of roller guide and guard unit, described roller guide and guard unit comprises the guide and guard frame, be installed in the reinforcement gusset on the described support body of going up the guide and guard frame, be positioned at the briquetting of strengthening on the gusset, be positioned at the slide plate on the briquetting, first cooling manifold and second cooling manifold, wherein, the described upward support body both sides of guide and guard frame all are equipped with and are upward reinforcement gusset and the following gusset of strengthening that stairstepping is arranged, wherein, described going up strengthened gusset than the described more close described outside of going up the guide and guard frame of gusset of strengthening down, described going up strengthened the outside that gusset is installed in described first cooling manifold, and the described gusset of reinforcement down is installed in the outside of described second cooling manifold.
Described support body top of going up the guide and guard frame can also be provided with two holes for hoist.
The saddle overlapped points can adopt the locate mode of 15 ° of angle wedge-shaped slots on the working roll of described upward guide and guard frame and milling train.
The nozzle of described first cooling manifold and described second cooling manifold can be the flat burner of dovetail type fittings body, nozzle core and nut formation.
Described going up strengthened gusset and is installed in the described upper slide of strengthening the upper holder block on the gusset and being installed on the described upper holder block of going up constituting the upward last slide rail pair of guide and guard frame.Strengthen gusset under described and constitute the glidepath pair that goes up the guide and guard frame with the lower skateboard that is installed on the described lower lock block with the lower lock block that is installed on the described gusset of reinforcement down.
Described first cooling manifold and described second cooling manifold can be connected to the link plate of milling train by the HTHP flexible pipe.Described roller guide and guard unit can also comprise the hydraulic circuit that is provided with pressure-reducing valve.
The utility model can be widely used on rougher of hot strip mill machine and the heavy and medium plate mill, by changing the guide frame of this device, saddle seamlessly transits problem on solution guide and guards jam and guide and guard frame and the working roll, avoid returning to zero and can not normally finishing after guide and guards jam breaks in production and the roll change, elimination band steel penetrates the guide and guard assembling and causes accident potential such as roll breakage.On industry, after practicing, the utility model can significantly reduce equipment fault, improve milling train day operating rate etc., and it is simple in structure, easy to operate, remarkably productive, be suitable for applying.
Description of drawings
By the description of carrying out below in conjunction with the accompanying drawing that an example exemplarily is shown, above-mentioned and other purposes of the present utility model and characteristics will become apparent, wherein:
Fig. 1 is the structural representation according to the last guide and guard frame in the roughing mill guide and guards of prior art;
Fig. 2 is the overall structure schematic diagram according to roller guide and guard unit of the present utility model;
Fig. 3 is the structural representation of the last guide and guard frame from the roller guide and guard unit that the left side of Fig. 2 is seen;
Fig. 4 is the structural representation of the last guide and guard frame from the roller guide and guard unit shown in Figure 2 that milling train inside is seen;
Fig. 5 is the side view along the roller guide and guard unit of the intercepting of the I-I line among Fig. 2;
Fig. 6 A is that the D of roller guide and guard unit of Fig. 2 is to view;
Fig. 6 B is the zoomed-in view of the E part among Fig. 6 A.
The specific embodiment
Because jam frequently appears in the guiding slipper of the guide and guards of the roughing mill of prior art, therefore, the utility model provides a kind of guide and guards that is suitable for rougher of hot strip mill machine and heavy and medium plate mill of architecture advances.Specifically, in according to roller guide and guard unit of the present utility model, by changing guide frame, guide and guards jam and guide and guard frame and wiper have been solved (promptly, saddle on the working roll) problem that seamlessly transits, thereby avoided returning to zero and normally to finish after the breaks in production that causes because of the guide and guards jam and the roll change, and eliminated the band steel and penetrate the guide and guard assembling and cause accident potential such as roll breakage.
Below, describe roller guide and guard unit of the present utility model with reference to the accompanying drawings in detail.
Fig. 2 is the overall structure schematic diagram that assembles in milling train according to roller guide and guard unit of the present utility model.
Mainly comprise guide and guard frame 1, upper support roller cooling manifold 5, top working roll cooling manifold 10, go up descaling header 11, strengthen gusset 12, hole for hoist 14, slide plate 15, lower lock block 16, upper holder block 17, bolt assembly 19 etc. according to roller guide and guard unit of the present utility model.According to roller guide and guard unit of the present utility model also can comprise wedge key 6 on the upper rail 9 that is installed on the mill housing 18, guide and guard lifting device (comprise built-in magnetic scale after guide and guard lift cylinder 3), the breast roll, with the lower guideway 13 of last wedge key combination, with on defend saddle 8 on last guide and guard high temperature flexible pipe 4 that saddle 1 is connected and the working roll.Except last guide and guard frame 1, strengthen on gusset 12, cooling manifold 5 and 10, hole for hoist 14, glidepath pair, guide and guard lift cylinder 3, high temperature flexible pipe 4 and the working roll the saddle 8, miscellaneous part according to roller guide and guard unit of the present utility model is identical with the miscellaneous part of the roller guide and guard unit of prior art, therefore no longer these identical parts is given unnecessary details.To be primarily aimed at the different parts that roller guide and guard unit of the present utility model is different from traditional roller guide and guard unit below is described in detail.
Fig. 3 is the structural representation of the last guide and guard frame from the roller guide and guard unit that the left side of Fig. 2 is seen, Fig. 4 is the structural representation of the last guide and guard frame from the roller guide and guard unit shown in Figure 2 that milling train inside is seen, Fig. 5 is the side view along the roller guide and guard unit of the intercepting of the B-B line among Fig. 2.Fig. 3 and Fig. 4 show the structural representation of the last guide and guard frame both sides of roller guide and guard unit shown in Figure 2 respectively.
Last guide and guard frame 1 belongs to moving component, is used for guiding guide and guards to fasten down motion with roller, so that rolled piece can pass in and out milling train reposefully, and play the guiding role when template is bad, effectively rolled piece is kowtowed nose and carries out leveling control function.With reference to Fig. 3 to Fig. 5, in the utility model, except near on be equipped with by upper holder block 17 in the length range at guide and guard frame 1 top about 40% and be positioned at the slide plate 15-1 that strengthens on the gusset 12, the upper rail pair gathering sill that 15-2 forms, also be provided with the glidepath pair in the left and right sides of the support body bottom of last guide and guard frame 1.
Specifically, strengthen gusset 12 and can be divided into four parts, be symmetrically located at the main body both sides of guide and guard frame 1, and be arranged on the outside of first cooling manifold 5 that is used to cool off the upper support roller and second cooling manifold 10 that is used to cool off top working roll.In the utility model, strengthening gusset 12 can process with an integral plate, also can adopt welding assembled.According to the utility model, being positioned at two of guide and guard frame 1 top, to strengthen gussets 12 (below be called strengthen gusset) identical with guide and guards according to the milling train of conventional art, different with the roller guide and guard unit of conventional art is reinforcement gusset 12 that guide and guards of the present utility model also comprises is positioned at guide and guard frame 1 bottom (below be called to descend the reinforcement gusset).
With reference to Fig. 3 to Fig. 5, on strengthen gusset 12 and strengthen gusset 12 down being the support body both sides that stairstepping is arranged in guide and guard frame 1, and go up and strengthen gusset than the outside of the more close last guide and guard frame 1 of reinforcement gusset down.In other words, on the surface that first cooling manifold 5 and second cooling manifold 10 are installed of last guide and guard frame 1, the outside of last reinforcement gusset more protrudes from the outside than the outside of strengthening gusset down, and strengthen down gusset strengthen gusset on the surface ratio of second cooling manifold 10 more protrude from the middle part of guide and guard frame towards first cooling manifold 5.That is to say, compare,, more be close to the center of support body according to the reinforcement gusset 12 of roller guide and guard unit of the present utility model two side direction center shift-ins at last guide and guard frame 1 with reinforcement gusset 12 ' (as shown in Figure 1) of the roller guide and guard unit of conventional art.
In addition, at the two ends of strengthening gusset 12 briquetting is set, and on briquetting, slide block is set.Specifically, two ends at last reinforcement gusset 12 are provided with upper holder block 17, and at the outside of last reinforcement gusset 12 processing guiding keyway, slide plate 15-1 and 15-2 are installed in the outside of upper holder block 17 and are fixed in the keyway, thus slide rail pair on upper holder block 17, reinforcement gusset 12 and slide plate 15-1 and the 15-2 formation; At the two ends of strengthening gusset 12 down lower lock block 16 is set, and at the outside of last reinforcement gusset 12 processing guiding keyway, slide plate 15-4 is installed in the outside of lower lock block 16 and is fixed in the keyway, thereby lower lock block 16, reinforcement gusset 12 and slide plate 15-4 constitute the glidepath pair.Last slide rail pair and glidepath pair form the assemblied guide rail structure, are used as the support rails of guide and guards.Preferably, the length of slide plate 15 can get guide rail 9 and 13 guiding active lengths 1/3 to meet design requirement.In addition, it will be understood by those skilled in the art that in milling train under the situation of assembling guide and guards of the present utility model, can set up guider guide rail Lubrication Design, i.e. 6-10 oil site, preferably, oil site can be set to 8.Therefore, can transform wedge key on the breast roll 6 as the combination key structure form.
Therefore, in roller guide and guard unit of the present utility model, last guide and guard frame 1 is by the reinforcement gusset 12 of thickening both sides, the main stressed steel plate integral solder of structural member disappear should after, guarantee gathering sill positioning accuracy up and down by digital control processing, cut out the assembling of space and lower lock block and slide plate in the bottom of last guide and guard frame 1 and form the bottom gathering sill, bottom gathering sill and lower guideway 13 are formed the lower guideway pair.Therefore, by in last guide and guard frame 1, the lower guideway pair being set further, the length that makes guide rail is become the length sum of upper rail 9 and lower guideway 13 by the length of original upper rail 9, so compared with prior art, in the utility model, according to the steering characteristic of the guide and guard cooling device of roughing mill, prolonged the last guide and guard frame assembling guiding length and the rail length of the guide and guards of roughing mill.
With reference to Fig. 2 to Fig. 5, last reinforcement gusset 12 and upper holder block 17 mounted thereto and slide plate 15-1,15-2 and upper rail 9 are installed on the mill housing 18, and following reinforcement gusset 12 and lower lock block 16 mounted thereto and slide plate 15-4 and lower guideway 13 are installed on the breast roll wedge and are good on 6.Therefore, last guide and guards is under the effect of guide and guard lift cylinder 3, and it is secondary and glidepath is secondary moves to realize going up slide rail along upper rail 9 and lower guideway 13 respectively, enters milling train thereby rolled piece guided.
Referring again to Fig. 3 and Fig. 4, in roller guide and guard unit of the present utility model, also be provided with two holes for hoist 14, thereby be convenient to dismantle the last guide and guard frame 1 of roller guide and guard unit on the support body top of last guide and guard frame, saved the time.It will be understood by those skilled in the art that the position of hole for hoist 14 in last guide and guard frame 1 can be set according to actual needs.
Fig. 6 A be the D of roller guide and guard unit of Fig. 2 to view, show overlap joint schematic diagram according to saddle 8 on the last guide and guard frame 1 of roller guide and guard unit of the present utility model and the working roll.Fig. 6 B is the zoomed-in view of the E part among Fig. 6 A.
With reference to Fig. 6 A and Fig. 6 B, the overlapped points of saddle 8 adopts the locate mode of 15 ° of angle wedge-shaped slots on last guide and guard frame 1 and the working roll, to increase overlap joint stability and polarization, thereby avoided returning to zero and normally to finish after guide and guards jam breaks in production and the roll change, eliminated the band steel and penetrated guide and guard assemblings and cause accident potential such as roll breakage.Specifically, different with the plane overlapping mode of saddle on last guide and guard frame in traditional roller guide and guard unit and the working roll, in the utility model, shown in Fig. 6 B, saddle 8 overlapped points are 15 ° of angles overlap joints on last guide and guard frame 1 and the working roll, increasing overlap joint stability, thereby the guide and guard frame separates with saddle on the working roll and the rolled piece that occurs pierces the guide and guard accident on preventing when guide and guards moves.
In addition, in the utility model, the structure of first cooling manifold and second cooling manifold is different with the cooling manifold in the guide and guards of traditional milling train shown in Figure 1 owing to strengthen the supporting functions of the newly-increased glidepath pair in gusset bottom.Specifically, the nozzle in first cooling manifold 5 and second cooling manifold 10 all adopts and is made of dovetail type fittings body, nozzle core and nut.Therefore, by adopting the flat burner of band dovetail, can guarantee the injection water covering work body of roll that becomes band, it is good that film-cooled heat stablize cooling effect, and be convenient to maintenance.In a preferred embodiment of the present utility model, employing has the cooling manifold of following performance parameter: the flow of nozzle is 89.44L/min under the hydraulic pressure of 1.0MPa pressure, jet angle is 45 °, therefore, compare with the cooling manifold in traditional roller guide and guard unit, injector spacing is dwindled 10mm, and nozzle reduces 2, as calculated, the whole water yield of frame and former design reduce 146m
3/ h has been alleviated the water hammer in cooling water system main line zone, and has been reduced the system water requirement.
Therefore, in the utility model, by design hole for hoist in last guide and guard frame, the reinforcement gusset 12 of the both sides that simultaneously milling train entered the mouth is to the center shift-in, is convenient to the replacing of lower lock block 16, slide plate 15-4 and bolt and fastening.In addition, in the utility model, by in the bottom of guide and guards the glidepath pair being set in addition, on wedge key on the roll mill 6, make up a supporting equalization point C (as shown in Figure 3), therefore with the comparing of the last guide and guard frame of prior art shown in Figure 1 in 2 stressed situations of A, B, stressed according to roller guide and guard unit of the present utility model at A point shown in Figure 3, B point and C point, make the stressed balance that reaches of guide and guards, disturbing moment has obtained effective control, thereby has solved the guideway design rigidity problem of guide and guards.Therefore, in roller guide and guard unit of the present utility model, owing to adopted the typical structure of closed guideway, avoided the open type guide rail can only lean on parts deadweight and outer year work, but increased the briquetting auxiliary guide rail newly, make the guide pass contact good, thereby solved the guideway design rigidity problem of guide and guards.
Therefore, compare with breast roll bearing block external same specification rolling mill structure, wedge key open frame roller mill improves about 1/5 with mill stiffness, by cooling manifold and guide and guards servo-actuated characteristics, and nozzle and cooling manifold structure Design have been optimized, guaranteed the control of film-cooled heat and flow, having satisfied guide and guard guidance quality and roller is cooling effect, and the breast roll positioning accuracy all is guaranteed.
In addition,, reduce overbalance power, guarantee that offset loading force is controlled at proper range, on the hydraulic circuit at roller guide and guard unit place, have additional a pressure-reducing valve (not shown) in order to reduce the charge oil pressure of guide and guard lift cylinder 3.Under instruction of the present utility model, those skilled in the art can be provided with the position of pressure-reducing valve as required.
Return with reference to Fig. 2, the last cooling manifold of guide and guards and descaling header are connected in the link plate 2 of milling train by flexible pipe 4, realize the conveying function of medium.In the utility model, be heat resistance that improves flexible pipe 4 and the life cycle that prolongs pipeline, all pipelines in the cooling device of roller guide and guard unit adopt multilayer (being preferably four layers) steel wire high temperature flexible pipe, and asbestos and steel wire thermal insulation layer are set between each layer.
In addition, for prevent normal when rolling guide and guards separate with the backing roll equalizer bar, be provided with as the hard spot protection limit near switch.Specifically, guide and guards and backing roll equalizer bar 7 axial arranged along rolling direction near switch, limit switch is installed on the mobile last guide and guard frame 1.Guide and guards and backing roll equalizer bar 7 greater than hinge on the oil cylinder, are that cooling water dash drench detect lost efficacy to prevent roller near the setting height(from bottom) of switch.Guide and guards and backing roll balance limit switch examine the time, operating desk is realized the fault sound and light alarm, carries out trouble shoot by operating personnel's contact and handles, PLC writing time.Concrete operating process is as follows: revise rolling mill guiding and promote control program; promote hydraulic cylinder 3 balance servo-actuateds when rolling; last guide and guard frame drives control by top backing up roll compensating cylinder and electronic depressing, and the top backing up roll balance is provided with limit protection and prevents to damage hold-down transmission device.Surpass 10mm if guide and guard occur separately falling or rise, by examining, in addition, carry out the control of PLC program point by the magnetic scale that is arranged on the guide and guard lift cylinder and also can examine near switch.Therefore, because guide and guards and backing roll equalizer bar interlock connection adopt the oil cylinder inbuilt displacement sensor can realize fault alarm prompting and control fully, guarantee the device reliability service.
In addition, in the utility model, by changing the version of guide and guard frame guide rail, increased the glidepath pair newly, improve the force-bearing situation of guide rail slide plate, reduced the pressure of rail plate slide plate, and in conjunction with rigidity of guide rail own and contact strength thereof, realize the correct guidance function of guide rail, improved guide and guards slide plate eccentric wear phenomenon.
In the utility model, the import guide and guards of milling train and outlet guide device are arranged on the both sides of mill housing symmetrically, and the structure of above-described roller guide and guard unit all is applicable to the inlet side and the outlet side of milling train.It will be understood by those skilled in the art that and according to actual conditions above-described roller guide and guard unit to be installed in the milling train.In the utility model, be provided with guide plate in the guide and guards bottom, guide plate is assemblied in auxiliary rolled piece operation in the breast roll bearing block seam, has designed the identical guide and guards of two nested structure types symmetrically in the porch and the exit of milling train, therefore gives unnecessary details no longer one by one.
Yet the utility model is not limited to the foregoing description, under the situation that does not break away from the utility model scope, can carry out various changes and modifications to the utility model.
Claims (8)
1. roller guide and guard unit, described roller guide and guard unit comprises the guide and guard frame, be installed in the reinforcement gusset on the described support body of going up the guide and guard frame, be positioned at the briquetting of strengthening the gusset two ends, be positioned at the slide plate on the briquetting, first cooling manifold and second cooling manifold, it is characterized in that: the described upward support body both sides of guide and guard frame all are equipped with and are upward reinforcement gusset and the following gusset of strengthening that stairstepping is arranged, wherein, described going up strengthened gusset than the described more close described outside of going up the guide and guard frame of gusset of strengthening down, and described going up strengthened the outside that gusset is installed in described first cooling manifold, and the described gusset of reinforcement down is installed in the outside of described second cooling manifold.
2. roller guide and guard unit as claimed in claim 1 is characterized in that: described support body top of going up the guide and guard frame also is provided with two holes for hoist.
3. roller guide and guard unit as claimed in claim 1 is characterized in that: the saddle overlapped points adopts the locate mode of 15 ° of angle wedge-shaped slots on the working roll of described upward guide and guard frame and milling train.
4. roller guide and guard unit as claimed in claim 1 is characterized in that: the nozzle of described first cooling manifold and described second cooling manifold is the flat burner that dovetail type fittings body, nozzle core and nut constitute.
5. roller guide and guard unit as claimed in claim 1 is characterized in that: described going up strengthened gusset and is installed in the described upper slide of strengthening the upper holder block on the gusset and being installed on the described upper holder block of going up constituting the last slide rail pair that goes up the guide and guard frame.
6. roller guide and guard unit as claimed in claim 1 is characterized in that: the described gusset of reinforcement down constitutes the upward glidepath pair of guide and guard frame with the lower skateboard that is installed in the lower lock block on the described gusset of reinforcement down and be installed on the described lower lock block.
7. roller guide and guard unit as claimed in claim 1 is characterized in that: described first cooling manifold and described second cooling manifold are connected to the link plate of milling train by the HTHP flexible pipe.
8. roller guide and guard unit as claimed in claim 1 is characterized in that: described roller guide and guard unit also comprises the hydraulic circuit that is provided with pressure-reducing valve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2010205378860U CN201791749U (en) | 2010-09-21 | 2010-09-21 | Rolling mill guiding and guarding device |
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CN2010205378860U CN201791749U (en) | 2010-09-21 | 2010-09-21 | Rolling mill guiding and guarding device |
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CN201791749U true CN201791749U (en) | 2011-04-13 |
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CN2010205378860U Expired - Fee Related CN201791749U (en) | 2010-09-21 | 2010-09-21 | Rolling mill guiding and guarding device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102284516A (en) * | 2011-05-25 | 2011-12-21 | 中冶京诚工程技术有限公司 | Rolling mill guide synchronous structure |
-
2010
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102284516A (en) * | 2011-05-25 | 2011-12-21 | 中冶京诚工程技术有限公司 | Rolling mill guide synchronous structure |
CN102284516B (en) * | 2011-05-25 | 2013-06-12 | 中冶京诚工程技术有限公司 | Rolling mill guide synchronous structure |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20160921 |
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CF01 | Termination of patent right due to non-payment of annual fee |