CN103008406A - 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 PDF

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Publication number
CN103008406A
CN103008406A CN2013100210838A CN201310021083A CN103008406A CN 103008406 A CN103008406 A CN 103008406A CN 2013100210838 A CN2013100210838 A CN 2013100210838A CN 201310021083 A CN201310021083 A CN 201310021083A CN 103008406 A CN103008406 A CN 103008406A
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China
Prior art keywords
straightener
quick
driven shaft
replaceable roller
gripper
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CN2013100210838A
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Chinese (zh)
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CN103008406B (en
Inventor
王荣军
赵远峰
张金波
李图学
李跃林
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中冶赛迪工程技术股份有限公司
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Priority to CN201310021083.8A priority Critical patent/CN103008406B/en
Publication of CN103008406A publication Critical patent/CN103008406A/en
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Publication of CN103008406B publication Critical patent/CN103008406B/en

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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

Dual-gripper section straightener and quick-replaceable roller group thereof
Technical field
The invention belongs to the rolling machinery technical field, concrete is a kind of dual-gripper section straightener and the quick-replaceable roller group that is used for this dual-gripper section straightener.
Background technology
Aligning to large specification section bar generally adopts freely supported structure (claiming again planer-type) roll leveller, traditional freely supported structure roll leveller generally adopts machinery or Semi-automatic lock locking structure (such 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 affected the normal rhythm of production of enterprise, and caused production efficiency low for up to one day; In addition, also there is the shortcoming that weight of equipment is large, invest height and inconvenient operation in traditional freely supported structure roll leveller; The Novel gantry section straightener of present domestic use is is all manufactured and designed by offshore company, and a lot of parts need to be supplied by offshore company, Novel gantry section straightener of Introduced From Abroad company need spend up to several ten million 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 the quick-replaceable roller group that proposes a kind of dual-gripper section straightener and be used for 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 efficient, and can better lock smoothing roll, security reliability is higher.
Realize above-mentioned technical purpose, the present invention has at first 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 installed on the straightener transmission side frame, and described driven shaft rotation cooperation is installed on the straightener fore side frame, and the power transmission shaft end relative with driven shaft is provided with for the guide frame that clamps smoothing roll;
Described retaining mechanism comprises thread, is used for applying the hydraulic cylinder of coupling mechanism force and being used for driving the driving mechanism that thread rotates to smoothing roll;
Described thread is sleeved in the described driven shaft, and described power transmission shaft is provided with the screw that cooperates with thread towards the end face of described driven shaft; Be provided with between described driven shaft and the straightener fore side frame be used to the rotation preventing mechanism I that prevents that driven shaft from rotating; Be provided with threaded collar between described driven shaft and the thread, described threaded collar and described thread threaded engagement are provided with key I between threaded collar and the driven shaft, described driven shaft be provided with cooperate with key I and length greater than the keyway I of key I;
Cylinder body and the piston of described hydraulic cylinder all are sleeved on the thread, and are provided with between the cylinder body of hydraulic cylinder and the piston be used to the rotation preventing mechanism II that prevents that piston from rotating with respect to cylinder body, and described hydraulic cylinder is fixedly mounted between described driven shaft and the driving mechanism;
The shaft set of described driving mechanism on thread and with the thread threaded engagement;
Described axial adjusting device is installed on the described power transmission shaft.
Further, be respectively equipped with the 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 the driven shaft and the tapered guide surface that cooperates with described taper locating surface.
Further, described rotation preventing mechanism I comprises the anti-rotation pilot pin that is arranged on the driven shaft and is arranged on the straightener fore side frame and the anti-rotation guide groove that cooperates with the 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, be provided with the spring for piston reset between described cylinder end caps and the piston, be provided with in the rodless cavity of described hydraulic cylinder for the oil circuit of connecting hydraulic power source.
Further, described rotation preventing mechanism II comprises the key II that is arranged between described cylinder end caps and the piston.
Further, described thread is provided with for the anti-return nut that limits itself and described power transmission shaft threaded engagement length.
Further, the spiral expanding guiding mechanism that drives of machine 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, the aforesaid quick-replaceable roller group of two rows, with described quick-replaceable roller group one by one corresponding settings transmission device and arrange the roll-separating mechanism of spacing between the described quick-replaceable roller group for adjusting two, the power transmission shaft of described quick-replaceable roller group is connected with described transmission device.
Further, described roll-separating mechanism comprises be used to the bearing block that described quick-replaceable roller group is installed and the vertical guiding mechanism that links to each other with described bearing block, 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 being set, power transmission shaft and driven shaft be used for the location smoothing roll, retaining mechanism is set applies/unload coupling mechanism force to smoothing roll, can realize fast roll changing and lock safely smoothing roll, concrete roller replacing operation step is as follows:
1) adjust collars quick-replaceable roller group by axial adjusting device, make it to move to fore side frame direction, make the rotation preventing mechanism I engagement that is arranged between driven shaft and the fore side frame, namely 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 interior oil pressure of hydraulic cylinder cavity, under the effect of spring, piston is close to cylinder body, so that the coupling mechanism force between power transmission shaft, smoothing roll and the driven shaft disappears;
3) start driving mechanism, make thread with the effect of driving mechanism under withdraw to desired location to the fore side frame, break away between thread and the power transmission shaft this moment, stop driving mechanism, driving power transmission shaft under the effect of straightener axial adjusting device slides towards the direction that deviates from smoothing roll, power transmission shaft and smoothing roll are broken away from, and this moment, power transmission shaft and driven shaft all broke away from smoothing roll;
4) utilize roll changing sling to hang away smoothing roll, realized the smoothing roll dismounting;
5) wait hanging in new smoothing roll to desired location, drive power transmission shaft by the straightener circumferential adjusting mechanism and slide to the fore side frame, and fitted with power transmission shaft and driven shaft respectively in the smoothing roll two ends;
6) start driving mechanism, under the effect of driving mechanism, thread stops driving mechanism towards the power transmission shaft motion and with after power transmission shaft is fixedly connected with by threaded engagement;
7) utilize hydraulic cylinder to apply the locking hydraulic coupling to smoothing roll, namely smoothing roll is pressed abd fixed between power transmission shaft and the driven shaft;
8) utilize the axial adjusting device of straightener to drive power transmission shaft and move, and drive smoothing roll and driven shaft moves, until smoothing roll moves to the position of setting, finish 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 with 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, and effectively minimizing accident occurs.
Dual-gripper section straightener of the present invention except obtaining above-mentioned beneficial effect, is also obtained some beneficial effect by adopting above-mentioned quick-replaceable roller group:
1) good product quality: dual-gripper section straightener of the present invention adopts freely supported structure, makes equipment stressed more reasonable, but the Effective Raise Product Precision;
2) the aligning noise is little: the independent transmission of each smoothing roll of dual-gripper section straightener of the present invention, can effectively reduce the aligning noise;
3) adjust the precision height: dual-gripper section straightener of the present invention adopts hydraulic test to realize that the roll gap adjustment reaches axially adjustment function, so that it is higher to adjust precision;
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.
Description of drawings
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 structural representation of dual-gripper section straightener under the smoothing roll locking state of present embodiment;
Fig. 5 is the structural representation of dual-gripper section straightener under the smoothing roll releasing orientation of present embodiment.
Description of reference numerals:
The 1-frame; 1a-transmission side frame; 1b-fore side frame; The 2-power transmission shaft; 2a-tapered guide surface I; The 2b-screw; The 3-driven shaft; 3a-tapered guide surface II; The 4-thread; The 5-smoothing roll; The 6-threaded collar; 7-key I; The 8-retaining mechanism; The 9-hydraulic cylinder; The 9a-cylinder body; The 9b-piston; The 10-driving mechanism; 11-bearing cap I; 12 bearings; 13-bearing cap II; The 14-protective cover; The 15-oil circuit; The 16-spring; 17-key II; The 18-anti-return nut; The 19-transmission device; The 20-axial adjusting device; The 21-roll-separating mechanism; The 22-bearing block; The vertical guiding mechanism of 23-; 24-quick-replaceable roller group; The 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 present embodiment comprises power transmission shaft 2, driven shaft 3, smoothing roll 5, retaining mechanism 8 and axial adjusting device 20.Power transmission shaft 2 rotation cooperates and is installed on the straightener transmission side frame 1a, and driven shaft 3 rotations cooperate and are installed on the straightener fore side frame 1b, and power transmission shaft 2 and driven shaft 3 relative ends are provided with the guide frame for clamping smoothing roll 5.Be respectively equipped with the taper locating surface on the two sides of the smoothing roll 5 of present embodiment, 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 that cooperates 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 that 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 the 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; Be provided with equally bearing 12 on the driven shaft 3, the both sides of bearing 12 are equipped with bearing cap II 13.Rotation preventing mechanism I comprises the anti-rotation pilot pin that is arranged on the driven shaft 3 and is arranged on the anti-rotation guide groove that straightener fore side frame 1b is upper and cooperate with the anti-rotation pilot pin, concrete, the rotation preventing mechanism I of 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 present embodiment comprises the anti-rotation pilot pin that is arranged on the 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 that cooperates with the anti-rotation pilot pin.By the engagement between anti-rotation pilot pin and the 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, is not repeated.
As shown in Figure 2, retaining mechanism 8 comprises thread 4, is used for applying the hydraulic cylinder 9 of coupling mechanism force and being used for driving the driving mechanism 10 that thread 4 rotates to smoothing roll 5.Thread 4 is sleeved in the described driven shaft 3, is provided with the through hole that passes through for thread 4 in the driven shaft 3, and power transmission shaft 2 is provided with the screw 2b that cooperates with thread 4 towards the end face of driven shaft 3, the dead in line of the center of screw 2b and driven shaft 3.Be provided with between driven shaft 3 and the straightener fore side frame 1b be used to the rotation preventing mechanism I that prevents that driven shaft 3 from rotating, be provided with threaded collar 6 between driven shaft 3 and the thread 4, threaded collar 6 and thread 4 threaded engagement, be provided with key I 7 between threaded collar 6 and the driven shaft 3, driven shaft 3 be provided with cooperate with key I 7 and length 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, whole quick-replaceable roller group is rotated under the effect of transmission device 19 with smoothing roll 5.The cylinder body 9a of hydraulic cylinder 9 and piston 9b all are sleeved on the thread 4, and be provided with between the cylinder body 9a of hydraulic cylinder 9 and the piston 9b be used to the rotation preventing mechanism II that prevents that piston 9b from rotating with respect to cylinder body 9a, hydraulic cylinder 9 is fixedly mounted between driven shaft 3 and the 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 the 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 present embodiment comprises the cylinder body 9a that is arranged on hydraulic cylinder 9 and the key II 17 between the piston 9b, certainly, rotation preventing mechanism II also can be set to other various structures forms, as be arranged between cylinder body 9a and the piston 9b and intermeshing spline etc., all can realize the purpose 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, be provided with the spring 16 for piston reset between cylinder end caps 25 and the piston 9b, be provided with in the rodless cavity of hydraulic cylinder 9 for the oil circuit 15 of connecting 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 applying to smoothing roll 5 effect of coupling mechanism force, 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 present embodiment adopts hydraulic motor, can effectively drive thread 4 by the threaded engagement between its rotating shaft and the thread 4 and move.
Further, thread 4 is provided with for the anti-return nut 18 that limits itself and power transmission shaft 2 threaded engagement length, by anti-return nut 18 is set, can conveniently by the switching of anti-return nut 18 control driving mechanisms and the opportunity that applies of controlling the hydraulic locking power of hydraulic cylinder 9, guarantee that smoothing roll 5 is by the more compacted locking in safety and firmness ground.
By retaining mechanism 8 is set, can realize that thread 4 is close to transmission side frame 1a rotation, and finally be threaded with the screw 2b of power transmission shaft 2, to driven shaft 3 applied thrusts, make driven shaft 3 and power transmission shaft 2 locking smoothing rolls 5 when can apply pulling force to power transmission shaft 2.
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 and separates, and axial adjusting device 20 is installed on the 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 present embodiment adopts by Driven by Hydraulic Cylinder.
The below describes the specific embodiment of the dual-gripper section straightener that adopts above-mentioned quick-replaceable roller group.
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 present embodiment, comprise the frame 1 that formed by transmission side frame 1a and fore side frame 1b, the aforesaid quick-replaceable roller group 24 of two rows, with quick-replaceable roller group 24 one by one corresponding settings transmission device 19 and arrange the roll-separating mechanism 21 of spacing between the quick-replaceable roller groups 24 for adjusting two, 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 installed on the frame 1 for bearing block 22 and the vertical guiding mechanism 23 that links to each other with bearing block 22 that quick-replaceable roller group 24 is installed, and can vertically slide on frame 1; Can realize being installed in roll gap adjustment function between quick-replaceable roller group 24 and the quick-replaceable roller group 24 that is installed in the frame 1 in the bearing block 22 by roll-separating mechanism 21; 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 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 the 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 the bearing block 22.Usually, quick-replaceable roller group 24 structures that many groups are installed in the frame 1 are in a row, the quick-replaceable roller group 24 that many groups are installed in the bearing block 22 is 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 and rotate.
The dual-gripper section straightener quick-replaceable roller group 24 of present embodiment, by power transmission shaft 2 and driven shaft 3 being set for location smoothing roll 5, and retaining mechanism 8 is set applies/unload coupling mechanism force to smoothing roll 5, can realize fast roll changing and lock safely smoothing roll, concrete roller replacing operation step is as follows:
During the dismounting smoothing roll:
1) adjust collars quick-replaceable roller group 24 by axial adjusting device 20, make it to move to fore side frame 1b direction, make the rotation preventing mechanism I engagement that is arranged between driven shaft 3 and the fore side frame 1b, namely driven shaft 3 can not rotate with respect to straightening machine frame 1;
2) utilize roll changing sling that smoothing roll 5 is embraced, the valve of opening oil circuit 15 is laid down the oil pressure in hydraulic cylinder 9 chambeies, and under the effect of spring 16, piston 9b is close to cylinder body 9a, so that the coupling mechanism force between power transmission shaft 2, smoothing roll 5 and the driven shaft 3 disappears;
3) start driving mechanism 10, thread 4 is withdrawed to desired location to fore side frame 1b under the effect of driving mechanism 10 rotating shafts, break away between thread 4 and the power transmission shaft 2 this moment, stop driving mechanism 10, driving power transmission shaft 2 under the effect of straightener axial adjusting device 20 slides towards the direction that deviates from smoothing roll 5, power transmission shaft 2 and smoothing roll 5 are broken away from, and this moment, power transmission shaft 2 and driven shaft 3 all broke away from smoothing roll 5;
4) utilize roll changing sling to hang away smoothing roll 5, realized the smoothing roll dismounting;
Smoothing roll is installed:
5) wait hanging in new smoothing roll 5 to desired location, drive power transmission shaft 2 by straightener axial adjusting device 20 and 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 stops driving mechanism 10 towards power transmission shaft 2 motions and with after power transmission shaft 2 is fixedly connected with by threaded engagement;
7) utilize hydraulic cylinder 9 to apply the locking hydraulic coupling to smoothing roll 5, namely smoothing roll 5 is pressed abd fixed between power transmission shaft 2 and the driven shaft 3;
8) utilize straightener axial adjusting device 20 to drive power transmission shafts 2 and move, and drive smoothing roll 5 and driven shaft 3 moves, until smoothing roll 5 moves to the position of setting, finish smoothing roll and install.
The quick-replaceable roller group that is present embodiment has following beneficial effect:
1) roll changing time is short, production efficiency is high: the quick-replaceable roller group of present embodiment can shorten to 20 minutes by one day with 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 present embodiment is used hydraulic locking, good stability, and effectively minimizing accident occurs;
The dual-gripper section straightener of present embodiment is also obtained some beneficial effect by adopting above-mentioned quick-replaceable roller group:
1) good product quality: dual-gripper section straightener of the present invention adopts freely supported structure, makes equipment stressed more reasonable, but the Effective Raise Product Precision;
2) the aligning noise is little: the independent transmission of each smoothing roll of dual-gripper section straightener of the present invention, can effectively reduce the aligning noise;
3) adjust the precision height: the dual-gripper section straightener of present embodiment adopts hydraulic test to realize that the roll gap adjustment reaches axially adjustment function, so that it is higher to adjust precision;
4) weight of equipment is light, cost of investment is economized: the dual-gripper section straightener of 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.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.

Claims (10)

1. 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 installed on the straightener transmission side frame, and described driven shaft rotation cooperation is installed on the straightener fore side frame, and the power transmission shaft end relative with driven shaft is provided with for the guide frame that clamps smoothing roll;
Described retaining mechanism comprises thread, is used for applying the hydraulic cylinder of coupling mechanism force and being used for driving the driving mechanism that thread rotates to smoothing roll;
Described thread is sleeved in the described driven shaft, and described power transmission shaft is provided with the screw that cooperates with thread towards the end face of described driven shaft; Be provided with between described driven shaft and the straightener fore side frame be used to the rotation preventing mechanism I that prevents that driven shaft from rotating; Be provided with threaded collar between described driven shaft and the thread, described threaded collar and described thread threaded engagement are provided with key I between threaded collar and the driven shaft, described driven shaft be provided with cooperate with key I and length greater than the keyway I of key I;
Cylinder body and the piston of described hydraulic cylinder all are sleeved on the thread, and are provided with between the cylinder body of hydraulic cylinder and the piston be used to the rotation preventing mechanism II that prevents that piston from rotating with respect to cylinder body, and described hydraulic cylinder is fixedly mounted between described driven shaft and the driving mechanism;
The shaft set of described driving mechanism on thread and with the thread threaded engagement;
Described axial adjusting device is installed on the described power transmission shaft.
2. dual-gripper section straightener quick-replaceable roller group according to claim 1, it is characterized in that: be respectively equipped with the 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 the driven shaft and the tapered guide surface that cooperates 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 that is arranged on the driven shaft and is arranged on the straightener fore side frame and the anti-rotation guide groove that cooperates with the anti-rotation pilot pin.
4. dual-gripper section straightener quick-replaceable roller group according to claim 1, it 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, be provided with the spring for piston reset between described cylinder end caps and the piston, be provided with in the rodless cavity of described hydraulic cylinder for the oil circuit of connecting hydraulic power source.
6. dual-gripper section straightener quick-replaceable roller group according to claim 5, it is characterized in that: described rotation preventing mechanism II comprises the key II that is arranged between described cylinder end caps and the piston.
7. dual-gripper section straightener quick-replaceable roller group according to claim 1 is characterized in that: described thread is provided with for the anti-return nut that limits 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. dual-gripper section straightener, it is characterized in that: comprise frame, two rows as each described quick-replaceable roller group of claim 1-8, with as described in quick-replaceable roller group one by one corresponding settings transmission device and arrange for adjusting two as described in the roll-separating mechanism of spacing between the 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 be used to the bearing block that described quick-replaceable roller group is installed and the vertical guiding mechanism that links to each other with described bearing block, and described vertical guiding mechanism is motor-driven spiral expanding guiding mechanism or the hydraulically extensible guiding mechanism that driven by vertical guiding mechanism.
CN201310021083.8A 2013-01-21 2013-01-21 Double-support type steel straightener and quickly-replaceable roller set thereof CN103008406B (en)

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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
CN103272892A (en) * 2013-06-03 2013-09-04 中冶赛迪工程技术股份有限公司 Straightener capable of changing rolls quickly
CN104475491A (en) * 2014-12-19 2015-04-01 山东钢铁股份有限公司 Working roll positioning groove for straightening machine
CN106001178A (en) * 2016-07-04 2016-10-12 江苏广博罗纳斯科技有限公司 Horizontal straightening device
EP3081316B1 (en) 2015-04-13 2017-11-29 DANIELI & C. OFFICINE MECCANICHE S.p.A. Straightening machine for metal structural shapes
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
CN111014347A (en) * 2019-12-24 2020-04-17 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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