CN102716942A - Beam of steel plate straightener - Google Patents
Beam of steel plate straightener Download PDFInfo
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- CN102716942A CN102716942A CN2012102036653A CN201210203665A CN102716942A CN 102716942 A CN102716942 A CN 102716942A CN 2012102036653 A CN2012102036653 A CN 2012102036653A CN 201210203665 A CN201210203665 A CN 201210203665A CN 102716942 A CN102716942 A CN 102716942A
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- hydraulic cylinder
- crossbeam
- sensor
- entablature
- roll
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Abstract
The invention relates to a beam of a steel plate straightener, and belongs to the technical field of steel strip straighteners. The beam is characterized in that the upper surfaces of the left end and the right end of an upper beam are fixedly and integrally connected with a left support and a right support respectively in a welding manner, a sensor and a hydraulic cylinder are mounted between the left support and the right support, the sensor is electrically connected with a tension PID (proportion integration differentiation) controller, the hydraulic cylinder is controlled by the tension PID controller, and the bottom end of the hydraulic cylinder and the top end of a piston rod are hinged to the left support and the right support respectively. The structure of a lower beam is as same as that of the upper beam, and the mounting direction of the lower beam is opposite to that of the upper beam. The beam has the advantages that flexible deformation of the upper beam and the lower beam in loading can be eliminated, and bounce in change of working load can also be eliminated.
Description
Technical field
The invention belongs to the technical field of steel plate band straightener, be specifically related to a kind of plate straightening roll crossbeam.
Background technology
At present, plate straightening roll is in aligning production process, and lower and upper cross-member can produce certain elastic deflection distortion under the straightening force effect; Cause the smoothing roll roll gap along seriously inhomogeneous on the plate width direction; It is little the both sides roll gap to occur, the phenomenon that middle roll gap is big, thus cause straightening quality bad.
In order to overcome the influence of above-mentioned factor; Adopt in the prior art two kinds of compensation methodes are arranged; 1. adopt and split beam type roller structure, 2. adopt Wedge type roller structure, these two kinds of methods all are that the smoothing roll to straightener preestablishes a bending deformation quantity; Make itself and straightener aborning the deflection deformation that produces of crossbeam offset, reach and make the uniform purpose of smoothing roll roll gap in the aligning process.But its defective is that the smoothing roll bending deformation quantity of presetting is a certain value, and the deflection deformation amount that straightener production process middle cross beam produces is a variable, and the two can not reach fully offsets; Above-mentioned in addition two kinds of methods also respectively have some shortcomings to be, 1. split beam type roller structure, and its structure is huge and motion is complicated; The consumption steel are more; Bring difficulty for other structural designs, and the length to height ratio of beam approaches 1, the crossbeam bigger to span should not adopt in design; 2. Wedge type roller structure, because the restriction of physical dimension and consider the auto-lock function of wedge, its adjustment amount is limited, can not be applicable to the occasion that the crossbeam deflection deformation is bigger equally.
Summary of the invention
The purpose of this invention is to provide a kind of plate straightening roll crossbeam.Can effectively overcome the shortcoming that prior art exists.
The present invention realizes like this; As shown in Figure 1; It is the entablature of a plate straightening roll; It is characterized in that: on entablature 1 right ends, be fixed with one with left and right bearing 2,2' through welding respectively, the hydraulic cylinder 3 that between left and right bearing 2,2', the sensor 4 that is electrically connected with pulling force PID controller is installed and controlled by pulling force PID controller, the bottom of hydraulic cylinder 3 and piston rod top are hinged with left and right bearing 2,2' respectively.The sill of plate straightening roll is identical with the entablature structure, and installation direction is opposite.
Advantage of the present invention and good effect are to follow the tracks of the deformation signal that crossbeam produces with load change through the sensor in real time that is installed on the crossbeam; And this signal is sent to pulling force PID controller; Pulling force PID controller is dynamically adjusted hydraulic cylinder through hydraulic system and is applied to the pulling force size (promptly controlling the flexible of hydraulic cylinder) on the crossbeam, the positive curve deflection deformation amount that crossbeam is produced
δThe hogging bending deflection deformation that on crossbeam, produces with service load
fRemain balance.Promptly through making
F+δ=0, the bounce when thereby deflection deformation when eliminating the crossbeam stand under load and service load change.
Description of drawings
Fig. 1 straightener entablature structural map
Fig. 2 plate straightening roll structure diagram
Among the figure 1, the upper and lower crossbeam of 1'-, 2,2 '-left and right bearing, 3-hydraulic cylinder, 4-sensor, 5-frame, 6, the left and right screw-down of 6'-, 7,7'-upper and lower roll system, F-straightening force.
The specific embodiment
As shown in Figure 2, plate straightening roll includes frame 5, left and right screwdown gear 6,6', and upper and lower crossbeam 1,1', and upper and lower roll is 7,7'.
With plate straightening roll entablature 1 is example, when plate straightening roll is produced, and straightening force
FThrough top roll is 7 to act on the following loading end of entablature 1, forces entablature to produce the hogging bending deflection deformation that raises up
f, the sensor 4 that install above the entablature 1 this moment detects the deformation signal of entablature 1 and it is passed to pulling force PID controller, and control hydraulic cylinder 3 is at left and right bearing 2, the last pulling force that applies of 2'
N, force crossbeam to produce the positive curve deflection deformation
δBecause positive curve deflection deformation
δDeformation direction and the crossbeam hogging bending deflection deformation when bearing service load
fIn the opposite direction, according to structural mechanics distortion principle of stacking, distortion
fWith
δCan cancel out each other, promptly make through the control system
F+ δ=0, realize that making the total deformation of crossbeam is zero purpose.
When straightening force changes, the hogging bending deflection deformation of crossbeam
fCan ensue variation, this variation is detected by sensor equally, and this variable signal is passed to pulling force PID controller, and pulling force PID controller compensates through the size of the output pulling force of hydraulic system adjustment hydraulic cylinder 3, reaches new balance.Thereby reach the total deformation that makes crossbeam and keep the Real-time and Dynamic balance.
The sill structure is identical with entablature, and installation direction is opposite.
Claims (1)
1. plate straightening roll crossbeam; It is characterized in that: the top of entablature (1) right ends is fixed with one through welding and left and right bearing (2,2') respectively; Between left and right bearing (2,2'), the sensor (4) that is electrically connected with pulling force PID controller is installed and receives the hydraulic cylinder (3) of pulling force PID controller control; The bottom of hydraulic cylinder (3) and piston rod top are hinged with left and right bearing (2,2') respectively; The structure of sill (1') is identical with entablature (1), and installation direction is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102036653A CN102716942A (en) | 2012-06-20 | 2012-06-20 | Beam of steel plate straightener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102036653A CN102716942A (en) | 2012-06-20 | 2012-06-20 | Beam of steel plate straightener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102716942A true CN102716942A (en) | 2012-10-10 |
Family
ID=46942886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102036653A Pending CN102716942A (en) | 2012-06-20 | 2012-06-20 | Beam of steel plate straightener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102716942A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103691775A (en) * | 2013-12-24 | 2014-04-02 | 中国二冶集团有限公司 | Mounting method of three groups of articulated lifting cross beams of seamless steel tube skew roll straightener |
| CN105772977A (en) * | 2016-03-23 | 2016-07-20 | 中冶陕压重工设备有限公司 | Upper cross beam of cast-weld hybrid structure |
| CN112025329A (en) * | 2020-08-27 | 2020-12-04 | 山东省机械设计研究院 | Self-straightening machine tool beam |
| CN112875468A (en) * | 2021-01-29 | 2021-06-01 | 菱王电梯有限公司 | Construction method for applying prestress to elevator bearing beam |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4730472A (en) * | 1986-07-10 | 1988-03-15 | United Engineering, Inc. | Hydraulic contouring means for a hot or cold leveler machine |
| US5461895A (en) * | 1993-12-09 | 1995-10-31 | Danieli United, Inc. | High capacity hydraulic leveller |
| CN201997572U (en) * | 2010-12-10 | 2011-10-05 | 济南重工股份有限公司 | Hydraulic roll-bending device of steel plate straightener |
| CN202061937U (en) * | 2011-04-02 | 2011-12-07 | 长治钢铁（集团）锻压机械制造有限公司 | Compact type leveler |
-
2012
- 2012-06-20 CN CN2012102036653A patent/CN102716942A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4730472A (en) * | 1986-07-10 | 1988-03-15 | United Engineering, Inc. | Hydraulic contouring means for a hot or cold leveler machine |
| US5461895A (en) * | 1993-12-09 | 1995-10-31 | Danieli United, Inc. | High capacity hydraulic leveller |
| CN201997572U (en) * | 2010-12-10 | 2011-10-05 | 济南重工股份有限公司 | Hydraulic roll-bending device of steel plate straightener |
| CN202061937U (en) * | 2011-04-02 | 2011-12-07 | 长治钢铁（集团）锻压机械制造有限公司 | Compact type leveler |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103691775A (en) * | 2013-12-24 | 2014-04-02 | 中国二冶集团有限公司 | Mounting method of three groups of articulated lifting cross beams of seamless steel tube skew roll straightener |
| CN105772977A (en) * | 2016-03-23 | 2016-07-20 | 中冶陕压重工设备有限公司 | Upper cross beam of cast-weld hybrid structure |
| CN112025329A (en) * | 2020-08-27 | 2020-12-04 | 山东省机械设计研究院 | Self-straightening machine tool beam |
| CN112875468A (en) * | 2021-01-29 | 2021-06-01 | 菱王电梯有限公司 | Construction method for applying prestress to elevator bearing beam |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121010 |