CN103008406B - Double-support type steel straightener and quickly-replaceable roller set thereof - Google Patents
Double-support type steel straightener and quickly-replaceable roller set thereof Download PDFInfo
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- CN103008406B CN103008406B CN201310021083.8A CN201310021083A CN103008406B CN 103008406 B CN103008406 B CN 103008406B CN 201310021083 A CN201310021083 A CN 201310021083A CN 103008406 B CN103008406 B CN 103008406B
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Abstract
The invention firstly discloses a quickly-replaceable roller set of a straightener. The quickly-replaceable roller set comprises a driving shaft, a driven shaft, straightening rollers, a locking mechanism and an axial adjusting device. The locking mechanism comprises a threaded pull rod, a hydraulic cylinder and a driving mechanism, the hydraulic cylinder is used for applying locking force onto the straightening rollers, and the driving mechanism is used for driving the threaded pull rod to rotate. The invention further discloses a double-support type steel straightener adopting the quickly-replaceable roller set. The double-support type steel straightener comprises a framework, a plurality of quickly-replaceable roller sets, a driving device and a roller seam adjusting device, and the quickly-replaceable roller sets are arranged in upper and low rows and in a staggered manner. The double-support type steel straightener utilizing the quickly-replaceable roller set has the advantages of simple structure, safety, reliability, short roller replacement time, high work efficiency and adjustment accuracy and the like, and further, investment cost can be effectively reduced, straightening noise is reduced and product quality is improved.
Description
Technical field
The invention belongs to rolling machinery technical field, concrete is a kind of dual-gripper section straightener and for the quick-replaceable roller group of this dual-gripper section straightener.
Background technology
The aligning of large specification section bar is generally adopted to freely supported structure (claiming again planer-type) roll leveller, traditional freely supported structure roll leveller generally adopts machinery or Semi-automatic lock locking structure (as hydraulic nut), not only lock overlong time, affected productivity ratio, and frequent not tight, there is potential safety hazard; Traditional freely supported structure roll leveller need be dismantled plant equipment when changing smoothing roll, and the replacing of smoothing roll, for up to one day, has affected the normal rhythm of production of enterprise, and caused production efficiency low; In addition, also there is the shortcoming that weight of equipment is large, invest high and inconvenient operation in traditional freely supported structure roll leveller; The Novel gantry section straightener of current domestic use is is all manufactured and designed by offshore company, and much parts Xu You offshore company supplies of material, Novel gantry section straightener of Introduced From Abroad company need spend up to several necessarily even more than one hundred million yuans, has had a strong impact on the development of national economy.
Summary of the invention
The technical problem to be solved in the present invention is to propose a kind of dual-gripper section straightener and for the quick-replaceable roller group of this dual-gripper section straightener, adopt the dual-gripper section straightener of this quick-replaceable roller group simple in structure, cost of investment is low, not only can shorten roll changing time, improve roll change efficiency, and can better lock smoothing roll, security reliability is higher.
Realize above-mentioned technical purpose, first the present invention has proposed a kind of dual-gripper section straightener quick-replaceable roller group, comprises power transmission shaft, driven shaft, smoothing roll, retaining mechanism and axial adjusting device;
Described power transmission shaft rotation cooperation is arranged in straightener transmission side frame, and described driven shaft rotation cooperation is arranged in straightener fore side frame, and the power transmission shaft end relative with driven shaft is provided with for clamping the guide frame of smoothing roll;
Described retaining mechanism comprises thread, for apply hydraulic cylinder and the driving mechanism for driving thread to rotate of coupling mechanism force to smoothing roll;
Described thread is sleeved in described driven shaft, and described power transmission shaft is provided with towards the end face of described driven shaft the screw coordinating with thread; Between described driven shaft and straightener fore side frame, be provided with the rotation preventing mechanism I for preventing that driven shaft from rotating; Between described driven shaft and thread, be provided with threaded collar, described threaded collar and described thread threaded engagement, be provided with key I between threaded collar and driven shaft, and described driven shaft is provided with and coordinates with key I and length is greater than the keyway I of key I;
Cylinder body and the piston of described hydraulic cylinder are all sleeved on thread, and between the cylinder body of hydraulic cylinder and piston, are provided with the rotation preventing mechanism II for preventing that piston from rotating with respect to cylinder body, and described hydraulic cylinder is fixedly mounted between described driven shaft and driving mechanism;
The shaft set of described driving mechanism on thread and with thread threaded engagement;
Described axial adjusting device is arranged on described power transmission shaft.
Further, be respectively equipped with taper locating surface on the two sides of described smoothing roll, described guide frame comprises and is separately positioned on described power transmission shaft and driven shaft and the tapered guide surface coordinating with described taper locating surface.
Further, described rotation preventing mechanism I comprises the anti-rotation pilot pin being arranged on driven shaft and is arranged in straightener fore side frame and the anti-rotation guide groove coordinating with anti-rotation pilot pin.
Further, described retaining mechanism is provided with protective cover, and described driving mechanism is hydraulic motor or air motor.
Further, the cylinder body of described hydraulic cylinder is fixedly connected with described driven shaft, the piston of described hydraulic cylinder is fixedly connected with described driving mechanism, the cylinder body of described hydraulic cylinder is provided with the cylinder end caps for limiting piston, between described cylinder end caps and piston, be provided with the spring for piston reset, in the rodless cavity of described hydraulic cylinder, be provided with for connecting the oil circuit of hydraulic power source.
Further, described rotation preventing mechanism II comprises the key II being arranged between described cylinder end caps and piston.
Further, described thread is provided with for limiting the anti-return nut of itself and described power transmission shaft threaded engagement length.
Further, the spiral expanding guiding mechanism that machine drives or by the hydraulically extensible guiding mechanism of Driven by Hydraulic Cylinder.
The invention allows for a kind of dual-gripper section straightener, comprise frame, two row quick-replaceable roller group as above, with described quick-replaceable roller group one by one corresponding setting transmission device and for regulating the roll-separating mechanism of spacing between the described quick-replaceable roller of two rows group, the power transmission shaft of described quick-replaceable roller group is connected with described transmission device.
Further, described roll-separating mechanism comprises for the bearing block and the vertical guiding mechanism being connected with described bearing block of described quick-replaceable roller group are installed, and described vertical guiding mechanism is motor-driven spiral expanding guiding mechanism or the hydraulically extensible guiding mechanism that driven by vertical guiding mechanism.
Beneficial effect of the present invention is:
Dual-gripper section straightener quick-replaceable roller group of the present invention, by power transmission shaft and driven shaft being set for locating smoothing roll, retaining mechanism is set and to smoothing roll, applies/unload coupling mechanism force, can realize fast roll changing and lock safely smoothing roll, concrete roller replacing operation step is as follows:
1) by axial adjusting device, adjust collars quick-replaceable roller group, make it to move to fore side frame direction, make to be arranged on the rotation preventing mechanism I engagement between driven shaft and fore side frame, driven shaft can not rotate with respect to straightening machine frame;
2) utilize roll changing sling that smoothing roll is embraced, open the valve of oil circuit and lay down the oil pressure in hydraulic cylinder cavity, under the effect of spring, piston is close to cylinder body, and the coupling mechanism force between power transmission shaft, smoothing roll and driven shaft is disappeared;
3) start driving mechanism, thread is exited to desired location to fore side frame under the effect with driving mechanism, now between thread and power transmission shaft, depart from, stop driving mechanism, under the effect of straightener axial adjusting device, drive power transmission shaft to slide towards the direction that deviates from smoothing roll, power transmission shaft and smoothing roll are departed from, and now power transmission shaft and driven shaft all depart from smoothing roll;
4) utilize roll changing sling to hang away smoothing roll, realized smoothing roll dismounting;
5), wait hanging in new smoothing roll to desired location, by straightener circumferential adjusting mechanism, drive power transmission shaft to slide to fore side frame, and fitted with power transmission shaft and driven shaft respectively in smoothing roll two ends;
6) start driving mechanism, under the effect of driving mechanism, thread, after power transmission shaft motion being fixedly connected with by threaded engagement with power transmission shaft, stops driving mechanism;
7) utilize hydraulic cylinder to apply locking hydraulic coupling to smoothing roll, smoothing roll is pressed abd fixed between power transmission shaft and driven shaft;
8) utilize the axial adjusting device of straightener to drive power transmission shaft to move, and drive smoothing roll and driven shaft to move, until smoothing roll moves to the position of setting, complete smoothing roll and install;
Be that dual-gripper section straightener quick-replaceable roller group of the present invention has following beneficial effect:
1) roll changing time is short, production efficiency is high: dual-gripper section straightener quick-replaceable roller group of the present invention can shorten to 20 minutes by one day by the roll changing time of traditional dragon gate-type straightener, had greatly improved utilization rate of equipment and installations, had improved production efficiency;
2) hydraulic locking, safe: dual-gripper section straightener quick-replaceable roller group of the present invention is used hydraulic locking, good stability, effectively minimizing accident occurs.
Dual-gripper section straightener of the present invention, by adopting above-mentioned quick-replaceable roller group, except obtaining above-mentioned beneficial effect, is also obtained some beneficial effect:
1) good product quality: dual-gripper section straightener of the present invention adopts freely supported structure, makes equipment stressed more reasonable, can effectively improve Product Precision;
2) aligning noise is little: the independent transmission of each smoothing roll of dual-gripper section straightener of the present invention, can effectively reduce aligning noise;
3) adjustment precision is high: dual-gripper section straightener of the present invention adopts hydraulic test realize roll gap adjustment and axially adjust function, makes to adjust precision higher;
4) weight of equipment is light, cost of investment is economized: dual-gripper section straightener of the present invention is with respect to cantilevered section straightener and traditional gantry type profile steel straightener, can effectively alleviate the floor space of weight of equipment and equipment, reduce processing and manufacturing cost and the operation cost of whole equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation of dual-gripper section straightener quick-replaceable roller group embodiment of the present invention;
Fig. 2 is the structural representation of retaining mechanism;
Fig. 3 is the structural representation of dual-gripper section straightener embodiment of the present invention;
Fig. 4 is the dual-gripper section straightener of the present embodiment structural representation under smoothing roll locking state;
Fig. 5 is the dual-gripper section straightener of the present embodiment structural representation under smoothing roll releasing orientation.
Description of reference numerals:
1-frame; 1a-transmission side frame; 1b-fore side frame; 2-power transmission shaft; 2a-tapered guide surface I; 2b-screw; 3-driven shaft; 3a-tapered guide surface II; 4-thread; 5-smoothing roll; 6-threaded collar; 7-key I; 8-retaining mechanism; 9-hydraulic cylinder; 9a-cylinder body; 9b-piston; 10-driving mechanism; 11-bearing cap I; 12 bearings; 13-bearing cap II; 14-protective cover; 15-oil circuit; 16-spring; 17-key II; 18-anti-return nut; 19-transmission device; 20-axial adjusting device; 21-roll-separating mechanism; 22-bearing block; The vertical guiding mechanism of 23-; 24-quick-replaceable roller group; 25-cylinder end caps; 26-installs end cap.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.
As shown in Figure 1, be the structural representation of dual-gripper section straightener quick-replaceable roller group embodiment of the present invention.The dual-gripper section straightener quick-replaceable roller group of the present embodiment, comprises power transmission shaft 2, driven shaft 3, smoothing roll 5, retaining mechanism 8 and axial adjusting device 20.It is upper that power transmission shaft 2 rotation cooperations are arranged on straightener transmission side frame 1a, and it is upper that driven shaft 3 rotation cooperations are arranged on straightener fore side frame 1b, and power transmission shaft 2 end relative with driven shaft 3 is provided with for clamping the guide frame of smoothing roll 5.On the two sides of the smoothing roll 5 of the present embodiment, be respectively equipped with taper locating surface, guide frame comprises and is separately positioned on power transmission shaft 2 and driven shaft 3 end face in opposite directions and the tapered guide surface coordinating with the taper locating surface of smoothing roll 5, driven shaft 2 is provided with tapered guide surface I 2a, driven shaft 3 is provided with tapered guide surface II 3a, adopt the guide frame of this structure, can guarantee the axis of power transmission shaft 2 and driven shaft 3 and the axis quick centring of smoothing roll 5.Certainly, guide frame also can adopt other various structures forms to realize, and its principle is identical, is not repeated.
Further, power transmission shaft 2 is provided with bearing 12, and the side near transmission device 19 on power transmission shaft 2 is provided with coupled axial adjusting device 20, and a side of close smoothing roll 5 is fixed with bearing cap I 11; On driven shaft 3, be provided with equally bearing 12, the both sides of bearing 12 are equipped with bearing cap II 13.Rotation preventing mechanism I comprises the anti-rotation pilot pin being arranged on driven shaft 3 and is arranged on the anti-rotation guide groove that straightener fore side frame 1b is upper and coordinate with anti-rotation pilot pin, concrete, the rotation preventing mechanism I of the present embodiment is arranged between driven shaft 3 and the close bearing cap II 13 of power transmission shaft 2 one sides.The rotation preventing mechanism I of the present embodiment comprises the anti-rotation pilot pin being arranged on driven shaft 3 and is arranged on the close bearing cap II 13 of power transmission shaft 2 one sides and the anti-rotation guide groove coordinating with anti-rotation pilot pin.By the engagement between anti-rotation pilot pin and anti-rotation guide groove, can prevent that driven shaft 3 from rotating in a circumferential direction with respect to bearing cap II 13.Certainly, rotation preventing mechanism I also can adopt other various structures to realize, and is not repeated.
As shown in Figure 2, retaining mechanism 8 comprise thread 4, for apply hydraulic cylinder 9 and the driving mechanism 10 for driving thread 4 to rotate of coupling mechanism force to smoothing roll 5.Thread 4 is sleeved in described driven shaft 3, is provided with the through hole passing through for thread 4 in driven shaft 3, and power transmission shaft 2 is provided with towards the end face of driven shaft 3 the screw 2b coordinating with thread 4, the dead in line of screw 2b center and driven shaft 3.Between driven shaft 3 and straightener fore side frame 1b, be provided with the rotation preventing mechanism I for preventing that driven shaft 3 from rotating, between driven shaft 3 and thread 4, be provided with threaded collar 6, threaded collar 6 and thread 4 threaded engagement, between threaded collar 6 and driven shaft 3, be provided with key I 7, driven shaft 3 is provided with and coordinates with key I 7 and length is greater than the keyway I of key I 7, be that key I 7 can slide in keyway I, and then make driven shaft 3 relatively thread 4 endwisely slip, by threaded collar 6 and key I 7 are set, can make whole quick-replaceable roller group with smoothing roll 5, rotate under the effect of transmission device 19.The cylinder body 9a of hydraulic cylinder 9 and piston 9b are all sleeved on thread 4, and between the cylinder body 9a of hydraulic cylinder 9 and piston 9b, be provided with the rotation preventing mechanism II for preventing that piston 9b from rotating with respect to cylinder body 9a, hydraulic cylinder 9 is fixedly mounted between driven shaft 3 and driving mechanism 10, the shaft set of driving mechanism 10 on thread 4 and with thread 4 threaded engagement.By rotation preventing mechanism II is set, can prevent that driving mechanism 10 is with respect to frame 1 rotation.By retaining mechanism 8 is set, under the effect of hydraulic cylinder 9, can apply hydraulic coupling to driven shaft 3 and driving mechanism 10, the hydraulic coupling that driving mechanism 10 is subject to is passed on power transmission shaft 2 by thread 4, makes driven shaft 3 and power transmission shaft 2 locking smoothing rolls 5.
Further, the rotation preventing mechanism II of the present embodiment comprises and is arranged on the cylinder body 9a of hydraulic cylinder 9 and the key II 17 between piston 9b, certainly, rotation preventing mechanism II also can be set to other various structures forms, as be arranged between cylinder body 9a and piston 9b and intermeshing spline etc., all can realize the object that prevents that piston 9b from rotating with respect to cylinder body 9a.
Further, the cylinder body 9a of hydraulic cylinder 9 is fixedly connected with driven shaft 3 by end cap 26 is installed, the piston 9b of hydraulic cylinder 9 is fixedly connected with driving mechanism 10, the cylinder body 9a of hydraulic cylinder 9 is provided with the cylinder end caps 25 for limiting piston 9b, between cylinder end caps 25 and piston 9b, be provided with the spring 16 for piston reset, in the rodless cavity of hydraulic cylinder 9, be provided with for connecting the oil circuit 15 of hydraulic power source, the two ends of rodless cavity are provided with hermetically-sealed construction, prevent leakage of oil.Certainly, hydraulic cylinder 9 adopts existing common hydraulic cylinder also can realize the effect that applies coupling mechanism force to smoothing roll 5, and its principle is identical, is not repeated.
Further; retaining mechanism 8 is provided with protective cover 14; driving mechanism 10 is hydraulic motor or air motor; by protective cover 14 is set; can protect hydraulic cylinder 9 and driving mechanism 10; the driving mechanism 10 of the present embodiment adopts hydraulic motor, can effectively by the threaded engagement between its rotating shaft and thread 4, drive thread 4 to move.
Further, thread 4 is provided with for limiting the anti-return nut 18 of itself and power transmission shaft 2 threaded engagement length, by anti-return nut 18 is set, can conveniently by anti-return nut 18, control the switching of driving mechanism and the opportunity that applies of controlling the hydraulic locking power of hydraulic cylinder 9, guarantee that smoothing roll 5 is by the safety and firmness compacted locking in ground more.
By retaining mechanism 8 is set, can realize thread 4 close to transmission side frame 1a rotation, and be finally threaded with the screw 2b of power transmission shaft 2, when can apply pulling force to power transmission shaft 2, to driven shaft 3 applied thrusts, make driven shaft 3 and power transmission shaft 2 locking smoothing rolls 5.
Further, each quick-replaceable roller group 24 is equipped with axial adjusting device 20 center line of realizing smoothing roll 5 and the coincidence of crossing steel wire with separated, and axial adjusting device 20 is arranged on power transmission shaft 2.Axial adjusting device 20 can be motor-driven spiral expanding guiding mechanism or by the hydraulically extensible guiding mechanism of Driven by Hydraulic Cylinder, the hydraulically extensible guiding mechanism that the axial adjusting device 20 of the present embodiment adopts by Driven by Hydraulic Cylinder.
Below to adopting the specific embodiment of the dual-gripper section straightener of above-mentioned quick-replaceable roller group to describe.
As shown in Figure 3, be the structural representation of dual-gripper section straightener embodiment of the present invention.The dual-gripper section straightener of the present embodiment, comprise the frame 1 that formed by transmission side frame 1a and fore side frame 1b, two rows quick-replaceable roller group 24 as above, with quick-replaceable roller group 24 one by one corresponding setting transmission device 19 and for regulating the roll-separating mechanism 21 of spacing between two row's quick-replaceable roller groups 24, and the power transmission shaft of quick-replaceable roller group 24 is connected with transmission device 19.
Further, described roll-separating mechanism comprises that bearing block 22 is arranged in frame 1 for the bearing block 22 and the vertical guiding mechanism 23 being connected with bearing block 22 of quick-replaceable roller group 24 are installed, and can in frame 1, vertically slide; By roll-separating mechanism 21, can realize the quick-replaceable roller group 24 being arranged in bearing block 22 and be arranged on the roll gap adjustment function between the quick-replaceable roller group 24 in frame 1; Vertical guiding mechanism 23 can be motor-driven spiral expanding guiding mechanism or by the hydraulically extensible guiding mechanism of Driven by Hydraulic Cylinder, the hydraulically extensible guiding mechanism that the vertical guiding mechanism 23 of the present embodiment adopts by Driven by Hydraulic Cylinder.
Further, the axial adjusting device 20 of quick-replaceable roller group 24 is packed on transmission side frame 1a or bearing block 22, and the bearing cap I 11 of quick-replaceable roller group 24 and bearing cap II 13 are packed on frame 1 or bearing block 22.Conventionally, many groups of quick-replaceable roller group 24 structures that are arranged in frame 1 are in a row, the many groups of quick-replaceable roller groups 24 that are arranged in bearing block 22 are arranged in a row, two row's quick-replaceable roller groups 24 are staggered arranged in form, the power transmission shaft 2 of quick-replaceable roller group 24 is connected with transmission device 19, can drive smoothing roll 5 to rotate.
The dual-gripper section straightener quick-replaceable roller group 24 of the present embodiment, by power transmission shaft 2 and driven shaft 3 being set for locating smoothing roll 5, and retaining mechanism 8 is set to smoothing roll 5, applies/unload coupling mechanism force, can realize fast roll changing and lock safely smoothing roll, concrete roller replacing operation step is as follows:
During dismounting smoothing roll:
1) by axial adjusting device 20, adjust collars quick-replaceable roller group 24, make it to move to fore side frame 1b direction, make to be arranged on the rotation preventing mechanism I engagement between driven shaft 3 and fore side frame 1b, driven shaft 3 can not rotate with respect to straightening machine frame 1;
2) utilize roll changing sling that smoothing roll 5 is embraced, open the valve of oil circuit 15 and lay down the oil pressure in hydraulic cylinder 9 chambeies, under the effect of spring 16, piston 9b is close to cylinder body 9a, and the coupling mechanism force between power transmission shaft 2, smoothing roll 5 and driven shaft 3 is disappeared;
3) start driving mechanism 10, thread 4 is exited to desired location to fore side frame 1b under the effect of driving mechanism 10 rotating shafts, now between thread 4 and power transmission shaft 2, depart from, stop driving mechanism 10, under the effect of straightener axial adjusting device 20, drive power transmission shaft 2 to slide towards the direction that deviates from smoothing roll 5, power transmission shaft 2 and smoothing roll 5 are departed from, and now power transmission shaft 2 and driven shaft 3 all depart from smoothing roll 5;
4) utilize roll changing sling to hang away smoothing roll 5, realized smoothing roll dismounting;
Smoothing roll is installed:
5), wait hanging in new smoothing roll 5 to desired location, by straightener axial adjusting device 20, drive power transmission shaft 2 to slide to fore side frame 1b, and fitted with power transmission shaft 2 and driven shaft 3 respectively in smoothing roll 5 two ends;
6) start driving mechanism 10, under the effect of driving mechanism 10, thread 4, after power transmission shaft 2 motions being fixedly connected with by threaded engagement with power transmission shaft 2, stops driving mechanism 10;
7) utilize hydraulic cylinder 9 to apply locking hydraulic coupling to smoothing roll 5, smoothing roll 5 is pressed abd fixed between power transmission shaft 2 and driven shaft 3;
8) utilize straightener axial adjusting device 20 to drive power transmission shaft 2 to move, and drive smoothing roll 5 and driven shaft 3 to move, until smoothing roll 5 moves to the position of setting, complete smoothing roll and install.
The quick-replaceable roller group that is the present embodiment has following beneficial effect:
1) roll changing time is short, production efficiency is high: the quick-replaceable roller group of the present embodiment can shorten to 20 minutes by one day by the roll changing time of traditional dragon gate-type straightener, had greatly improved utilization rate of equipment and installations, had improved production efficiency;
2) hydraulic locking, safe: the quick-replaceable roller group of the present embodiment is used hydraulic locking, good stability, effectively minimizing accident occurs;
The dual-gripper section straightener of the present embodiment, by adopting above-mentioned quick-replaceable roller group, is also obtained some beneficial effect:
1) good product quality: dual-gripper section straightener of the present invention adopts freely supported structure, makes equipment stressed more reasonable, can effectively improve Product Precision;
2) aligning noise is little: the independent transmission of each smoothing roll of dual-gripper section straightener of the present invention, can effectively reduce aligning noise;
3) adjustment precision is high: the dual-gripper section straightener of the present embodiment adopts hydraulic test realize roll gap adjustment and axially adjust function, makes to adjust precision higher;
4) weight of equipment is light, cost of investment is economized: the dual-gripper section straightener of the present embodiment is with respect to cantilevered section straightener and traditional gantry type profile steel straightener, can effectively alleviate the floor space of weight of equipment and equipment, reduce processing and manufacturing cost and the operation cost of whole equipment.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (10)
1. a dual-gripper section straightener quick-replaceable roller group, is characterized in that:
Comprise power transmission shaft, driven shaft, smoothing roll, retaining mechanism and axial adjusting device;
Described power transmission shaft rotation cooperation is arranged in straightener transmission side frame, and described driven shaft rotation cooperation is arranged in straightener fore side frame, and the power transmission shaft end relative with driven shaft is provided with for clamping the guide frame of smoothing roll;
Described retaining mechanism comprises thread, for apply hydraulic cylinder and the driving mechanism for driving thread to rotate of coupling mechanism force to smoothing roll;
Described thread is sleeved in described driven shaft, and described power transmission shaft is provided with towards the end face of described driven shaft the screw coordinating with thread; Between described driven shaft and straightener fore side frame, be provided with the rotation preventing mechanism I for preventing that driven shaft from rotating; Between described driven shaft and thread, be provided with threaded collar, described threaded collar and described thread threaded engagement, be provided with key I between threaded collar and driven shaft, and described driven shaft is provided with and coordinates with key I and length is greater than the keyway I of key I;
Cylinder body and the piston of described hydraulic cylinder are all sleeved on thread, and between the cylinder body of hydraulic cylinder and piston, are provided with the rotation preventing mechanism II for preventing that piston from rotating with respect to cylinder body, and described hydraulic cylinder is fixedly mounted between described driven shaft and driving mechanism;
The shaft set of described driving mechanism on thread and with thread threaded engagement;
Described axial adjusting device is arranged on described power transmission shaft.
2. dual-gripper section straightener quick-replaceable roller group according to claim 1, it is characterized in that: on the two sides of described smoothing roll, be respectively equipped with taper locating surface, described guide frame comprises and is separately positioned on described power transmission shaft and driven shaft and the tapered guide surface coordinating with described taper locating surface.
3. dual-gripper section straightener quick-replaceable roller group according to claim 1, is characterized in that: described rotation preventing mechanism I comprises the anti-rotation pilot pin being arranged on driven shaft and is arranged in straightener fore side frame and the anti-rotation guide groove coordinating with anti-rotation pilot pin.
4. dual-gripper section straightener quick-replaceable roller group according to claim 1, is characterized in that: described retaining mechanism is provided with protective cover, and described driving mechanism is hydraulic motor or air motor.
5. dual-gripper section straightener quick-replaceable roller group according to claim 1, it is characterized in that: the cylinder body of described hydraulic cylinder is fixedly connected with described driven shaft, the piston of described hydraulic cylinder is fixedly connected with described driving mechanism, the cylinder body of described hydraulic cylinder is provided with the cylinder end caps for limiting piston, between described cylinder end caps and piston, be provided with the spring for piston reset, in the rodless cavity of described hydraulic cylinder, be provided with for connecting the oil circuit of hydraulic power source.
6. dual-gripper section straightener quick-replaceable roller group according to claim 5, is characterized in that: described rotation preventing mechanism II comprises the key II being arranged between described cylinder end caps and piston.
7. dual-gripper section straightener quick-replaceable roller group according to claim 1, is characterized in that: described thread is provided with for limiting the anti-return nut of itself and described power transmission shaft threaded engagement length.
8. dual-gripper section straightener quick-replaceable roller group according to claim 1, is characterized in that: described axial adjusting device is motor-driven spiral expanding guiding mechanism or by the hydraulically extensible guiding mechanism of Driven by Hydraulic Cylinder.
9. a dual-gripper section straightener, it is characterized in that: comprise frame, the quick-replaceable roller group of two rows as described in claim 1-8 any one, with as described in quick-replaceable roller group one by one corresponding setting transmission device and for regulating as described in two rows the roll-separating mechanism of spacing between quick-replaceable roller group, the power transmission shaft of described quick-replaceable roller group is connected with described transmission device.
10. dual-gripper section straightener according to claim 9, it is characterized in that: described roll-separating mechanism comprises for the bearing block and the vertical guiding mechanism being connected with described bearing block of described quick-replaceable roller group are installed, described vertical guiding mechanism is motor-driven spiral expanding guiding mechanism or by the hydraulically extensible guiding mechanism of Driven by Hydraulic Cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310021083.8A CN103008406B (en) | 2013-01-21 | 2013-01-21 | Double-support type steel straightener and quickly-replaceable roller set thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310021083.8A CN103008406B (en) | 2013-01-21 | 2013-01-21 | Double-support type steel straightener and quickly-replaceable roller set thereof |
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| CN103008406B true CN103008406B (en) | 2014-12-10 |
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| CN103191960A (en) * | 2013-04-22 | 2013-07-10 | 中冶赛迪工程技术股份有限公司 | Automatic locking device for straightening rolls |
| CN103272892B (en) * | 2013-06-03 | 2015-06-17 | 中冶赛迪工程技术股份有限公司 | Straightener capable of changing rolls quickly |
| CN104475491B (en) * | 2014-12-19 | 2017-02-22 | 山东钢铁股份有限公司 | Working roll positioning groove for straightening machine |
| EP3081316B1 (en) | 2015-04-13 | 2017-11-29 | DANIELI & C. OFFICINE MECCANICHE S.p.A. | Straightening machine for metal structural shapes |
| CN106001178A (en) * | 2016-07-04 | 2016-10-12 | 江苏广博罗纳斯科技有限公司 | Horizontal straightening device |
| CN109290454A (en) * | 2018-09-27 | 2019-02-01 | 天津市中重科技工程有限公司 | A kind of straightener concentrates roll changing system and concentrates roll-changing method |
| CN109158449A (en) * | 2018-09-27 | 2019-01-08 | 天津市中重科技工程有限公司 | Gantry straightener roller cover locking pull rod screw tightens anti-loose structure |
| CN111014347B (en) * | 2019-12-24 | 2021-11-09 | 山东核电设备制造有限公司 | Hydraulic two-roller correcting device and using method thereof |
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| CN102151718A (en) * | 2010-12-02 | 2011-08-17 | 沈阳重型机械集团有限责任公司 | Simultaneous and quick aligning and locking device for multi-roll ring of section steel straightener |
| CN201997575U (en) * | 2010-12-30 | 2011-10-05 | 一重集团大连设计研究院有限公司 | Hydraulic locking section straightening machine |
| CN102581080A (en) * | 2012-02-08 | 2012-07-18 | 中冶赛迪工程技术股份有限公司 | Short-stress-path multi-roller straightener |
| CN102672008A (en) * | 2012-06-15 | 2012-09-19 | 中冶赛迪工程技术股份有限公司 | Section steel straightening machine |
| CN203030681U (en) * | 2013-01-21 | 2013-07-03 | 中冶赛迪工程技术股份有限公司 | Double-support type steel straightening machine and fast-replaced roller group thereof |
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| EP0967030A2 (en) * | 1998-06-26 | 1999-12-29 | WITELS APPARATE-MASCHINEN ALBERT GmbH & Co. KG | Method and device for adjusting the rollers of a straightening device |
| CN201470722U (en) * | 2009-08-28 | 2010-05-19 | 二重集团（德阳）重型装备股份有限公司 | Shaft end locking device of bar straightener |
| CN201625689U (en) * | 2010-03-26 | 2010-11-10 | 中信重工机械股份有限公司 | Locking device of multi-diagonal-roll straightening machine |
| CN102151718A (en) * | 2010-12-02 | 2011-08-17 | 沈阳重型机械集团有限责任公司 | Simultaneous and quick aligning and locking device for multi-roll ring of section steel straightener |
| CN201997575U (en) * | 2010-12-30 | 2011-10-05 | 一重集团大连设计研究院有限公司 | Hydraulic locking section straightening machine |
| CN102581080A (en) * | 2012-02-08 | 2012-07-18 | 中冶赛迪工程技术股份有限公司 | Short-stress-path multi-roller straightener |
| CN102672008A (en) * | 2012-06-15 | 2012-09-19 | 中冶赛迪工程技术股份有限公司 | Section steel straightening machine |
| CN203030681U (en) * | 2013-01-21 | 2013-07-03 | 中冶赛迪工程技术股份有限公司 | Double-support type steel straightening machine and fast-replaced roller group thereof |
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| CN103008406A (en) | 2013-04-03 |
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