CN201735596U - Butting device for PC rolling mill cross head zero-position measurement - Google Patents
Butting device for PC rolling mill cross head zero-position measurement Download PDFInfo
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- CN201735596U CN201735596U CN2010201265882U CN201020126588U CN201735596U CN 201735596 U CN201735596 U CN 201735596U CN 2010201265882 U CN2010201265882 U CN 2010201265882U CN 201020126588 U CN201020126588 U CN 201020126588U CN 201735596 U CN201735596 U CN 201735596U
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- cross head
- milling train
- holding device
- train cross
- butting
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Abstract
The utility model discloses a butting device for PC rolling mill cross head zero-position measurement, which is arranged between two symmetrical PC rolling mill cross heads and comprises a flexible butting mechanism, an adjustable butting mechanism and a locking mechanism, wherein the flexible butting mechanism comprises a first butting plate and a flexible regulating element connected with one end of the first butting plate, and the other end of the first butting plate is in touched connection with one PC rolling mill cross head; one end of the first butting plate connected with the flexible regulating element is provided with a ball-shaped groove; the adjustable butting mechanism comprises a second butting plate and a transmission element connected with one end of the second butting plate, and the other end of the second butting plate is in touched connection with the other PC rolling mill cross head; and the locking mechanism is arranged between the flexible butting mechanism and the adjustable butting mechanism. The butting device has simple structure and can easily eliminate a gap between a cross head mortar panel and a roller bearing block.
Description
Technical field
The utility model relates to the measurement mechanism of metallurgy industry, relates in particular to a kind of holding device of the PC of being used for milling train cross head zero measurement.
Background technology
In the metallurgy industry, for the technology hot rolling mm finishing mill unit that adopts roll to intersect control panel shape, the variation of cross head position can change the state of roll in the frame, thereby can influence the contact condition between backing roll and working roll, working roll and the band, and then influence the setting of the roll angle of the crossing, and the vibration of the setting of the roll angle of the crossing and milling train, stressed, rolling stable, product quality all have direct relation.Strip running deviation, plate shape convexity control difference problem when the improper meeting in milling train cross head position causes big, the logical plate of milling train acyclic homologically trioial deviation, thereby the control of milling train cross head positional precision is the pith of PC milling train management, is the important evidence of weighing PC milling train maintenance levels.The milling train cross head position that meets the control requirement should be: its mechanical zero degree position is consistent with the zero degree position dimension of electric demonstration control, but because the PC cross head zero degree position dimension skew that the wearing and tearing of each parts of machinery cause, or cause reason such as PC cross head zero degree position dimension distortion usually to cause PC cross head zero degree position inaccurate owing to electrical null position drift once in a while.And PC milling train cross head zero degree position will definitely not cause being with steel sideslip in milling train, the more serious steel scrap that also can cause between frame.Therefore, the state precision of assurance all kinds of controls of cross system and sensing equipment well seems very important.Simultaneously, intersection roller system is also very high to the requirement of mechanical clearance precision.Mechanical part can produce certain wearing and tearing along with the frequent movement and the rolling mill vibration of mechanism, as long as equipment does not quit work, this wearing and tearing certainly exist.The inventor finds through the long-term production practice summary, wearing and tearing mainly are present in the contact-making surface between roll chock and the cross head, it is the mortar panel that directly contacts with roll chock on the cross head, match with roll chock in the plane of this mortar panel, the arc surface of mortar panel cooperates with cross head body circular arc, wherein circular arc cooperates with respect to the mating surface of plane wearing and tearing more serious, easily forms to be difficult for the gap of realizing and eliminating, and causes cross head zero measurement error excessive.When the mechanical wear gap of intersection roller system was big, the measured value of PC milling train cross head zero measurement and actual value error were just bigger.In the actual mechanical process, more accurate in order to make zero measurement, eliminating this mechanical wear gap needs jack, need simultaneously to expend more manpower and processing time, the general processing time all more than 4 hours/single chassis.Therefore for the normal operation that guarantees equipment and the production precision of product, enhance productivity, satisfy the requirement that on-the-spot fast pace is produced, press for and address the above problem.
Summary of the invention
The purpose of this utility model provides a kind of holding device of the PC of being used for milling train cross head zero measurement, this device can effectively be eliminated the mechanical clearance of intersection roller system, avoid that measured value and actual value exist than mistake, reduce the time of cross head zero measurement, increase work efficiency, so stop to be with steel in milling train sideslip or cause the band steel between frame, produce steel scrap.
For achieving the above object, the utility model provides a kind of holding device of the PC of being used for milling train cross head zero measurement, and this device is located between two symmetrically arranged PC milling train cross head, comprising:
One flexible jacking mechanism, comprise first pressing tight plate, and a soft readjustment element that is connected with an end of first pressing tight plate, the other end of described first pressing tight plate is connected with described PC milling train cross head contact, and the end that described first pressing tight plate is connected with the soft readjustment element has a spherical groove;
One adjustable jacking mechanism comprises second pressing tight plate, and an actuated element that is connected with an end of second pressing tight plate, and the other end of described second pressing tight plate is connected with described another PC milling train cross head contact;
One retaining mechanism is located between described flexible jacking mechanism and the adjustable jacking mechanism.
Above-mentioned flexible jacking mechanism can adapt to the swing of cross head owing to have flexibility, regulate the axial length of whole holding device by the axial displacement of regulating actuated element, and then realization holding out against to cross head, after holding out against cross head, again by retaining mechanism will the fixed axial extent of this top device, thereby the gap of contact-making surface between elimination roll chock and the cross head.
Preferably, described retaining mechanism comprises:
The framework of one hollow, end face and bottom surface have a pair of perforation on it, have a hole on its left side wall;
One multidiameter, pass described to the perforation, be located at rotationally in the described framework;
One eccentric overcoat is placed in outside the described multidiameter, circumferentially fixedlys connected with described multidiameter, and the radial section of described eccentric overcoat is an off-centre operation.
Preferably, described soft readjustment element comprises:
One bulb, part is located in the described spherical groove, with described spherical groove matched in clearance, in order to realize soft readjustment;
One push rod, one end are exposed to the outer part of spherical groove with described bulb and are connected, and the Kong Yuyi arc top that the other end passes on the described frame left wall is fixedly connected, and described arc top has an arcwall face, and described arcwall face is connected with described eccentric overcoat contact.
Preferably, described actuated element comprises:
The threaded sleeve of one hollow, the one end is provided with internal thread, and the other end is fixedlyed connected with the right side wall of described framework;
One screw rod, the one end is threaded with described threaded sleeve, and the other end is connected with described second pressing tight plate.The axial displacement of adjusting screw(rod) just can realize the adjusting of whole holding device axial length.
Preferably, be respectively equipped with a spring between the left side wall of the upper/lower terminal of described arc top and described framework.When eccentric bushing reduces eccentric between coming directly towards with arc, flexible jacking mechanism can the automatic drawing back push rod so that the operation of holding device and carrying.
Preferably, described retaining mechanism also comprises one handle, is connected with an end of described multidiameter, in order to the rotation multidiameter, thereby regulates eccentric.
Preferably, its axial direction of described push rod upper edge has a keyway, and described push rod is connected with described frame fixation by a key of being located in the keyway with described framework, in order to realize the circumferential location of push rod.
Preferably, circumferentially fixing between described multidiameter and the described eccentric overcoat by being located at multidiameter and the eccentric outer keyway that puts and positioning key realization, make that the rotation of eccentric overcoat can be by the realization of rotation multidiameter.
Preferably, described adjustable jacking mechanism also comprises a clamp nut, is connected with described screw flight, and after the axial location of screw rod regulated, clamp nut carried out fastening to screw rod, in order to realize the axial location of screw rod.
Preferably, described bulb is located in the described spherical groove by a pair of symmetrically arranged pressing plate, prevents that bulb from dropping in spherical groove.
When using this holding device, manually the axial length that rotary screw just can the initial adjustment holding device is then with the fixing position of initial adjustment of nut, then it is positioned between a pair of PC cross head, manually rotary handle is to control the rotation of eccentric overcoat, when increasing offset, can either realize eliminating cross head mortar panel with the gap of roll chock, again can be by the eccentric locking that realizes holding device.
The utility model is owing to adopted above technical scheme, make it compared with prior art, can reduce the cross head zero measurement time, increase work efficiency, can effectively eliminate simultaneously the mechanical clearance of intersection roller system again, overcome the problem of zero measurement value and actual value existence than mistake, and then prevent to be with steel in milling train sideslip or cause the band steel between frame, produce steel scrap, use this holding device can realize the quick measurement of a people to PC milling train cross head zero-bit, promptly guarantee the precision of cross head zero measurement, alleviated hand labor intensity again greatly.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is a PC milling train cross head installation site schematic diagram in the prior art.
Fig. 2 is used for the structural front view of the holding device of PC milling train cross head zero measurement for the utility model.
Fig. 3 is the vertical view of Fig. 2.
Fig. 4 is the cutaway view at A-A place among Fig. 3.
The specific embodiment
As shown in Figure 1, milling train inlet down cross head 11 and milling train outlet down cross head 14 be symmetrical arranged, the milling train inlet is gone up cross head 12 and is gone up cross head 13 with the milling train outlet and be symmetrical arranged.Holding device in the utility model just is located between the above-mentioned symmetrically arranged pair of cross head.
Holding device as shown in Figures 2 and 3 is a kind of preferred version of the present utility model.This holding device comprise with a pair of symmetrically arranged cross head in the flexible jacking mechanism that is connected of contact, contact the adjustable jacking mechanism that is connected with another cross head, and be located at the retaining mechanism between flexible jacking mechanism and the adjustable jacking mechanism.
Retaining mechanism comprises framework 21, center of end face and bottom surface has a pair of perforation on it, has a hole on its left side wall, and multidiameter 211 passes after the perforation, the one end is fixed on the framework 21 by packing ring 220 and nut 219, and the other end is connected with handle 212.Eccentric overcoat 217 is placed in the stage casing of multidiameter 211, and passes through the circumferentially fixing of positioning key 218 realizations and multidiameter 211.
Flexible jacking mechanism comprises first pressing tight plate 22, one end of first pressing tight plate 22 is connected with the cross head contact, the other end has spherical groove, bulb 23 is located in the spherical groove, the two matched in clearance is to increase mechanism flexibility, as shown in Figure 4, bulb 23 is fixed on first pressing tight plate 22 by two symmetrically arranged pressing plates 24, and pressing plate 24 is fixedlyed connected by screw 25 with first pressing tight plate 22.One end of push rod 26 is connected with bulb 23, and the hole that the other end passes on framework 21 left side walls is connected with arc top 210 in being located at framework 21, is connected by key 27 between push rod 26 and the framework 21, rotates in order to prevent push rod 26.The cambered surface of arc top 210 is connected with the contact of the outer wall of eccentric overcoat 217, and arc comes directly towards 210 and fixedlys connected by screw 28 with push rod 26.Also be connected with two springs 29 between the two ends up and down of arc top 210 and the left side wall of framework 21.
Adjustable jacking mechanism comprises fixedlys connected threaded sleeve 213 with framework 21 right side walls, screw rod 216 is threaded with threaded sleeve 213, rotary screw 216 can be regulated the spacing between first pressing tight plate 22 and second pressing tight plate 215, and after spacing regulated, 214 pairs of screw rods 216 of nut were fixed.
Manual then rotary handle 212 is to control the rotation of eccentric overcoat 217, when increasing offset, holding device compresses the cross head of its both sides, eliminate cross head mortar panel with the gap of roll chock, the locking of the off-centre realization holding device by eccentric overcoat 217 simultaneously.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.
Claims (10)
1. a holding device that is used for PC milling train cross head zero measurement is characterized in that, is located between two symmetrically arranged PC milling train cross head, and described holding device comprises:
One flexible jacking mechanism, comprise one first pressing tight plate, and a soft readjustment element that is connected with the medial surface of first pressing tight plate, the lateral surface of described first pressing tight plate is connected with described PC milling train cross head contact, and described first pressing tight plate and soft readjustment element junction have a spherical groove;
One adjustable jacking mechanism comprises one second pressing tight plate, and an actuated element that is connected with the medial surface of second pressing tight plate, and the lateral surface of described second pressing tight plate is connected with described another PC milling train cross head contact;
One retaining mechanism is located between described flexible jacking mechanism and the adjustable jacking mechanism.
2. the holding device that is used for PC milling train cross head zero measurement as claimed in claim 1 is characterized in that described retaining mechanism comprises:
The framework of one hollow, end face and bottom surface have a pair of perforation on it, have a hole on its left side wall;
One multidiameter, pass described to the perforation, be located at rotationally in the described framework;
One eccentric overcoat is placed in outside the described multidiameter, circumferentially fixedlys connected with described multidiameter, and the radial section of described eccentric overcoat is an off-centre operation.
3. the holding device that is used for PC milling train cross head zero measurement as claimed in claim 2 is characterized in that, described soft readjustment element comprises:
One bulb, part is located in the described spherical groove, with described spherical groove matched in clearance;
One push rod, one end are exposed to the outer part of spherical groove with described bulb and are connected, and the Kong Yuyi arc top that the other end passes on the described frame left wall is fixedly connected, and described arc top has an arcwall face, and described arcwall face is connected with described eccentric overcoat contact.
4. the holding device that is used for PC milling train cross head zero measurement as claimed in claim 3 is characterized in that described actuated element comprises:
The threaded sleeve of one hollow, the one end is provided with internal thread, and the other end is fixedlyed connected with the right side wall of described framework;
One screw rod, the one end is threaded with described threaded sleeve, and the other end is connected with described second pressing tight plate.
5. the holding device that is used for PC milling train cross head zero measurement as claimed in claim 4 is characterized in that, is respectively equipped with a spring between the upper/lower terminal of described arc top and the left side wall of described framework.
6. the holding device that is used for PC milling train cross head zero measurement as claimed in claim 2 is characterized in that described retaining mechanism also comprises one handle, is connected with an end of described multidiameter, in order to the rotation multidiameter.
7. the holding device that is used for PC milling train cross head zero measurement as claimed in claim 5 is characterized in that, realizes the circumferential location of push rod by being provided with a positioning key between described push rod and the described framework.
8. the holding device that is used for PC milling train cross head zero measurement as claimed in claim 7 is characterized in that, realizes circumferentially fixing by being located at multidiameter and the eccentric outer keyway that puts and a positioning key between described multidiameter and the described eccentric overcoat.
9. the holding device that is used for PC milling train cross head zero measurement as claimed in claim 8 is characterized in that described adjustable jacking mechanism also comprises a clamp nut, is connected with described screw flight, in order to realize the axial location of described screw rod.
10. the holding device that is used for PC milling train cross head zero measurement as claimed in claim 9 is characterized in that described bulb is located in the described spherical groove by a pair of symmetrically arranged pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201265882U CN201735596U (en) | 2010-03-09 | 2010-03-09 | Butting device for PC rolling mill cross head zero-position measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201265882U CN201735596U (en) | 2010-03-09 | 2010-03-09 | Butting device for PC rolling mill cross head zero-position measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201735596U true CN201735596U (en) | 2011-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201265882U Expired - Fee Related CN201735596U (en) | 2010-03-09 | 2010-03-09 | Butting device for PC rolling mill cross head zero-position measurement |
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| Country | Link |
|---|---|
| CN (1) | CN201735596U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106734248B (en) * | 2015-11-19 | 2018-10-09 | 鞍钢股份有限公司 | Method for measuring zero position of cross head of rolling mill |
-
2010
- 2010-03-09 CN CN2010201265882U patent/CN201735596U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106734248B (en) * | 2015-11-19 | 2018-10-09 | 鞍钢股份有限公司 | Method for measuring zero position of cross head of rolling mill |
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| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20110209 Termination date: 20160309 |
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| CF01 | Termination of patent right due to non-payment of annual fee |