CN201157848Y - Multi-loop mechanism for hot strip mill - Google Patents
Multi-loop mechanism for hot strip mill Download PDFInfo
- Publication number
- CN201157848Y CN201157848Y CNU2008200433154U CN200820043315U CN201157848Y CN 201157848 Y CN201157848 Y CN 201157848Y CN U2008200433154 U CNU2008200433154 U CN U2008200433154U CN 200820043315 U CN200820043315 U CN 200820043315U CN 201157848 Y CN201157848 Y CN 201157848Y
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- kink
- force
- arm
- millimeters
- hydraulic cylinder
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Abstract
The utility model discloses a multiple-kink mechanism used for a thermal continuous mill. Every link mechanism is respectively arranged between two adjacent standers, and the kink mechanism comprises a fixed mount, a hydraulic cylinder, a hydraulic pole, a force arm, a bracket, a hinged joint and a kink ball; the upper part of the fixed mount is provided with the hinged joint; the included angle between the force arm and the bracket is a force arm angle; the rotating ends of the force arm and the bracket are hinged on the hinged joint and can rotate round the hinged point; the hydraulic cylinder is movably arranged on the fixed mount; the hydraulic rod is matched with the hydraulic cylinder, and the outer end of the hydraulic rod is hinged with the movable end of the force arm; the movable end of the bracket is provided with the kink ball. In the force arm of every kink, at least part of the force arms are shortened in sequence from the front to the rear. The force arm of the kink mechanism at the rear is shortened, so as to enable a servo valve and a magnifier of the kink to basically keep in a safe section, thereby facilitating the stable operation of a system.
Description
Technical field
The utility model relates to a kind of continuous hot-rolling mill with many kinks mechanism.
Background technology
In the running of continuous hot-rolling mill, the total existence stung various external disturbance such as steel, rolling impact, between two frames, be provided with kink mechanism, purpose is to detect and control tension force, control certain cover amount (looper height), kink mechanism is simultaneously as checkout gear, detect cover amount and tension force, feedback signal as looper controller, the data that controller is measured according to kink mechanism, transport to servo valve after amplifying processing, be used for the hydraulic cylinder of kink is controlled, through keeping constant tension force control, to avoid drawing steel, heap steel phenomenon.Existing continuous hot-rolling mill concrete structure is: be equipped with kink mechanism between each frame, this kink mechanism comprises with deciding frame, hydraulic cylinder, hydraulic stem, the arm of force, support, pin joint, kink ball; Top at fixed mount is provided with pin joint, and the rotation end of the arm of force and the rotation end of support are affixed, and the angle that forms between the arm of force and the support is arm of force angle, and the rotation end of the arm of force and the rotation end of support are hinged on the pin joint and can rotate around pin joint; Hydraulic cylinder is movably arranged on the fixed mount, hydraulic stem match with hydraulic cylinder and the movable end of the outer end of hydraulic stem and the arm of force hinged, the movable end of support is provided with the kink ball, in each kink mechanism, the length L of the arm of force, arm of force Jiao ﹠amp; Parameter value such as table 1:
Table 1: in each kink mechanism, arm of force length and arm of force angular dimensions table
| Kink number | Kink mechanism 1 | |
Kink mechanism 3 | |
|
| Arm of force length L | ?360mm | ?360mm | ?360mm | ?360mm | ?360mm |
| Arm of force angle ﹠ | ?49° | ?49° | ?49° | ?49° | ?49° |
Continuous hot-rolling mill is in actual motion, direction from front to back, the tension force that each kink bore progressively weakens, when thin specification is rolling because rolling compression big (the steel band body is pressed onto below 2.0 millimeters from 50 millimeters), the tension force of last kink mechanism can be very little, cause the servo valve and the amplifier of kink to close on dead track, be unfavorable for the stable operation of system, become the obstacle of rolling thin specification hot strip steel in enormous quantities.
Summary of the invention
The purpose of this utility model is to provide a kind of continuous hot-rolling mill with many kinks mechanism, designs by the structure to each kink mechanism, makes each servo valve and amplifier break away from dead track, reaches the purpose of stablizing kink, is beneficial to rolling thin specification band steel in enormous quantities.
The utility model is achieved through the following technical solutions:
A kind of continuous hot-rolling mill is located at respectively between two adjacent frames with many kinks mechanism, each kink mechanism, and this kink mechanism comprises fixed mount, hydraulic cylinder, hydraulic stem, the arm of force, support, pin joint, kink ball; Top at fixed mount is provided with pin joint, and the rotation end of the arm of force and the rotation end of support are affixed, and the angle that forms between the arm of force and the support is arm of force angle, and the rotation end of the arm of force and the rotation end of support are hinged on the pin joint and can rotate around pin joint; Hydraulic cylinder is movably arranged on the fixed mount, hydraulic stem match with hydraulic cylinder and the movable end of the outer end of hydraulic stem and the arm of force hinged, the movable end of support is provided with the kink ball; Direction from front to back in the arm of force in each kink mechanism, shortens successively to the small part arm of force.
In the utility model, the gravity of band steel body acts on the kink, and under the constant situation of stent length, the arm of force shortens, and then the pressure of hydraulic cylinder increases; In the continuous hot-rolling mill operation of rolling, the thickness of the band steel body in the place ahead is big, and the thickness of band steel body dwindles gradually, makes the pressure of the hydraulic cylinder in each kink mechanism reduce; And rear arm of force contraction in length is used to remedy that band steel body thickness dwindles and to the influence of cylinder pressure, make the servo valve of kink and amplifier remain on secure section substantially, is beneficial to the stable operation of system.It should be noted that: the arm of force in each kink mechanism to the small part arm of force shortens successively herein, be not all shortenings successively of the arm of force in each kink mechanism, as position forwardly, the relative thickness of steel plate changes little, in when design, the arm of force length in first kink mechanism, second the kink mechanism can be the same.
Further structure of the present utility model is:
In each described arm of force, the length of the short arm of force is 330 millimeters to 170 millimeters.
Described frame is six, corresponding, described kink mechanism is five, arm of force length in each kink mechanism is followed successively by L1, L2, L3, L4, L5, wherein, and 380 millimeters＞L1＞340 millimeters, 380 millimeters＞L2＞340 millimeters, 280 millimeters＞L3＞240 millimeters, 220 millimeters＞L4＞180 millimeters, 220 millimeters＞L5＞180 millimeters.In described five kink mechanisms, each arm of force angle Yi Ciwei ﹠amp; 1,, ﹠amp; 2,, ﹠amp; 3,, ﹠amp; 4,, ﹠amp; 5, wherein, 52 ° of＞﹠amp; 1＞46 °, 52 ° of＞﹠amp; 1＞46 °, 38 ° of＞﹠amp; 1＞32 °, 46 ° of＞﹠amp; 1＞40 °, 46 ° of＞﹠amp; 1＞40 °.
Arm of force length, the concrete span in arm of force angle can be: in described five kink mechanisms, L1, L2, L3, L4, L5 are 360 millimeters, 360 millimeters, 260 millimeters, 200 millimeters, 200 millimeters; ﹠amp; 1,, ﹠amp; 2,, ﹠amp; 3,, ﹠amp; 4,, ﹠amp; 5 are followed successively by 49 °, 49 °, 35 °, 43 °, 43 °.
Description of drawings
Fig. 1 is the structural representation of the utility model when being used for continuous hot-rolling mill;
Fig. 2 is in the utility model, the structural representation of kink mechanism;
Description of reference numerals:
1, working roll, 2, band steel body, 3, kink mechanism, 4, fixed mount, 5, hydraulic cylinder, 6, hydraulic stem, 7, the arm of force, 8, support, 9, pin joint, 10, the kink ball.
The specific embodiment
As shown in Figure 1 and Figure 2, a kind of continuous hot-rolling mill is located at respectively between two adjacent frames with many kinks mechanism, each kink mechanism 3, and this kink mechanism comprises fixed mount 4, hydraulic cylinder 5, hydraulic stem 6, the arm of force 7, support 8, pin joint 9, kink ball 10; Be provided with pin joint 9 on the top of fixed mount 4, the rotation end of the arm of force 7 and the rotation end of support 8 are affixed, and the angle that forms between the arm of force 7 and the support 8 is arm of force angle, and the rotation end of the arm of force 7 and the rotation end of support 8 are hinged on the pin joint 9 and can rotate around pin joint 9; Hydraulic cylinder 5 is movably arranged on the fixed mount 4, hydraulic stem 6 match with hydraulic cylinder 5 and the movable end of the outer end of hydraulic stem 6 and the arm of force 7 hinged, the movable end of support 8 is provided with kink ball 9; Direction from front to back in the arm of force 7 in each kink mechanism 3, shortens successively to the small part arm of force 7.
Wherein, in five kink mechanisms 3, each arm of force 7 length is followed successively by L1, L2, L3, L4, L5,7 jiaos of Yi Ciwei ﹠amp of each arm of force; 1,, ﹠amp; 2,, ﹠amp; 3,, ﹠amp; 4,, ﹠amp; 5; L1, L2, L3, L4, L5 are 360 millimeters, 360 millimeters, 260 millimeters, 200 millimeters, 200 millimeters; ﹠amp; 1,, ﹠amp; 2,, ﹠amp; 3,, ﹠amp; 4,, ﹠amp; 5 are followed successively by 49 °, 49 °, 35 °, 43 °, 43 °.
As shown in Figure 2,1 pair of band of working roll steel body 2 is rolled, and the thickness of band steel body 2 is reduced gradually, the arm of force 7 of rear kink mechanism 3 shortens, under the situation that band steel body 2 thickness reduce, the pressure kept stable of the hydraulic cylinder 5 in the rear kink mechanism 3, make the servo valve and the amplifier of kink remain on secure section substantially, be beneficial to the stable operation of system, under the situation of the arm of force 7 length variations, unaffected for the coupling that makes whole system, arm of force angle is also adjusted, avoid having influence on the installation of whole system because of the arm of force 7 length variations.
Claims (5)
1, a kind of continuous hot-rolling mill is with many kinks mechanism, and each kink mechanism is located at respectively between two adjacent frames, and this kink mechanism comprises fixed mount, hydraulic cylinder, hydraulic stem, the arm of force, support, pin joint, kink ball; Top at fixed mount is provided with pin joint, and the rotation end of the arm of force and the rotation end of support are affixed, and the angle that forms between the arm of force and the support is arm of force angle, and the rotation end of the arm of force and the rotation end of support are hinged on the pin joint and can rotate around pin joint; Hydraulic cylinder is movably arranged on the fixed mount, hydraulic stem match with hydraulic cylinder and the movable end of the outer end of hydraulic stem and the arm of force hinged, the movable end of support is provided with the kink ball; It is characterized in that direction from front to back in the arm of force in each kink mechanism, shortens successively to the small part arm of force.
2, according to claim 1 continuous hot-rolling mill with many kinks mechanism, its feature in, in each described arm of force, the length of the short arm of force is 330 millimeters to 170 millimeters.
3, as continuous hot-rolling mill as described in the claim 2 with many kinks mechanism, its feature in, described frame is six, and is corresponding, described kink mechanism is five, arm of force length in each kink mechanism is followed successively by L1, L2, L3, L4, L5, wherein, and 380 millimeters＞L1＞340 millimeters, 380 millimeters＞L2＞340 millimeters, 280 millimeters＞L3＞240 millimeters, 220 millimeters＞L4＞180 millimeters, 220 millimeters＞L5＞180 millimeters.
4, as continuous hot-rolling mill as described in the claim 3 with many kinks mechanism, its feature in, in described five kink mechanisms, each arm of force angle Yi Ciwei ﹠amp; 1,, ﹠amp; 2,, ﹠amp; 3,, ﹠amp; 4,, ﹠amp; 5, wherein, 52 ° of＞﹠amp; 1＞46 °, 52 ° of＞﹠amp; 1＞46 °, 38 ° of＞﹠amp; 1＞32 °, 46 ° of＞﹠amp; 1＞40 °, 46 ° of＞﹠amp; 1＞40 °.
5, as continuous hot-rolling mill as described in the claim 4 with many kinks mechanism, its feature in, in described five kink mechanisms, L1, L2, L3, L4, L5 are 360 millimeters, 360 millimeters, 260 millimeters, 200 millimeters, 200 millimeters; ﹠amp; 1,, ﹠amp; 2,, ﹠amp; 3,, ﹠amp; 4,, ﹠amp; 5 are followed successively by 49 °, 49 °, 35 °, 43 °, 43 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200433154U CN201157848Y (en) | 2008-01-25 | 2008-01-25 | Multi-loop mechanism for hot strip mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200433154U CN201157848Y (en) | 2008-01-25 | 2008-01-25 | Multi-loop mechanism for hot strip mill |
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| Publication Number | Publication Date |
|---|---|
| CN201157848Y true CN201157848Y (en) | 2008-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200433154U Expired - Fee Related CN201157848Y (en) | 2008-01-25 | 2008-01-25 | Multi-loop mechanism for hot strip mill |
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|---|---|
| CN (1) | CN201157848Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111085552A (en) * | 2019-12-25 | 2020-05-01 | 山东钢铁集团日照有限公司 | Height fine-adjustment device for loop roller of plate and strip rolling mill |
-
2008
- 2008-01-25 CN CNU2008200433154U patent/CN201157848Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111085552A (en) * | 2019-12-25 | 2020-05-01 | 山东钢铁集团日照有限公司 | Height fine-adjustment device for loop roller of plate and strip rolling mill |
| CN111085552B (en) * | 2019-12-25 | 2021-10-15 | 山东钢铁集团日照有限公司 | Height fine-adjustment device for loop roller of plate and strip rolling mill |
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Legal Events
| 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: 20081203 Termination date: 20130125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |