CN208104495U - The tension stabilizing device of vertical float mode - Google Patents

Abstract

The utility model relates to a kind of tension stabilizing devices of vertical float mode, belong to cold-strip steel technical field of heat treatment.First slewing rollers and tonometry roller are located at the bottom of braced frame, it vertically moves vehicle and is slidably connect with braced frame by four guide rails, cylinder driving mechanism is located at the lower section for vertically moving vehicle, it vertically moves vehicle and is provided with the second slewing rollers, strip sequentially passes through the first slewing rollers, the second slewing rollers and tonometry roller, cylinder driving mechanism, which can drive, to be vertically moved vehicle and moves along the length direction of guide rail, servo-control mechanism is connect with cylinder driving mechanism, and servo-control mechanism can control the working condition of cylinder driving mechanism.The tension stabilizing device of vertical float mode, it can be in cold-rolled steel sheet continuous heat unit, strip tension is in different range fluctuating change, tension stabilizing device can change its power output automatically, it is not required to operator's operation, and the precision for improving tension force meets the needs of cold rolled sheet Heat treating machine set.

Description

The tension stabilizing device of vertical float mode

Technical field

The utility model relates to cold-strip steel technical field of heat treatment, in particular to a kind of vertical float mode Tension stabilizing device.

Background technique

Cold-strip steel continuous heat production line will make strip continuous operation on roller, what strip was just necessarily tensioned, Form so-called strip tension.The tension of strip is that the frictional force of roller roll surface and strip is formed before and after a certain section strip steel, and is opened The size of power is controlled by adjusting the speed difference of two active roller turns of strip front and back, wherein this formation simultaneously controls The roller of production line tension is known as jockey pulley.

When cold-strip steel passes through continuous heat treating furnace, if strip tension has fluctuation, the band that breaks in furnace will cause when serious, Influence normal production；Furnace internal tension fluctuation it is slight when, will cause strip unbalance stress in the heat treatment furnace, make strip through overheat at Plate deformation after reason is poor, reduces the credit rating of finished steel coils, influences the economic benefit of enterprise, this is based on, at cold rolled sheet heat Reason unit has strict demand to strip tension fluctuation.But cold rolled sheet Heat treating machine set operation convert when such as：Replace steel Volume specification, unit are accelerating, in moderating process and when unit supplied materials steel plate roll bending shape is bad, can all cause strip tension wave It is dynamic.Previous continuous heat stokehold is only equipped with tonometry roller, detects that stokehold strip tension fluctuates, then controls to adjust Stokehold jockey pulley revolving speed, and then regulating stove internal tension, to maintain tension stability, still, the mode of this control tension fluctuation, instead It should lag, precision is low, cannot strip tension fluctuation in timely and effective control furnace.

Utility model content

The purpose of this utility model is that in view of the above-mentioned problems, provide a kind of tension stabilizing device of vertical float mode, Can be in cold-rolled steel sheet continuous heat unit, when strip tension setting value changes, tension stabilizing device, which can follow, to be opened The variation of power setting value is automatically adjusted to the setting value；And tension servo adjusting is constantly carried out at the setting value, the moment keeps The stabilization of actual tension value is not required to operator's operation, and improves the precision of tension force, meets at cold rolled sheet heat The needs for managing unit, improve the above problem.

The utility model is realized in this way：

The embodiments of the present invention provide a kind of tension stabilizing device of vertical float mode, including braced frame, First slewing rollers, tonometry roller vertically move vehicle, cylinder driving mechanism and servo-control mechanism；

For being installed on fixture, first slewing rollers are respectively arranged in the braced frame with the tonometry roller The opposite both sides of the braced frame, first slewing rollers and the tonometry roller are located at the bottom of the braced frame Portion is provided with four guide rails on the inside of the braced frame, and the guide rail is arranged along the vertical direction, described to vertically move vehicle and institute It states braced frame slidably to connect by four guide rails, the cylinder driving mechanism is located at described vertically move under vehicle Side, the cylinder driving mechanism connect with the vehicle that vertically moves, and the vehicle that vertically moves is provided with the second slewing rollers, strip according to Secondary to pass through first slewing rollers, second slewing rollers and the tonometry roller, the cylinder driving mechanism can drive The vehicle that vertically moves is moved along the length direction of the guide rail, and the servo-control mechanism and the cylinder driving mechanism connect It connects, the servo-control mechanism can control the working condition of the cylinder driving mechanism.

In the utility model optional embodiment, the vehicle that vertically moves includes movable stand and is installed on the movable stand Guide wheel, the movable stand includes four connection guide parts, and four connections guide part is located at the movable stand Quadrangle, four connection guide parts and four guide rails correspond, and the guide wheel includes four guide wheel groups, institute It states four guide wheel groups and connect guide part one-to-one correspondence with described four, the guide wheel group rotatably connects with the connection guide part It connects, the guide wheel group is rotatably provided in the guide rail.

In the utility model optional embodiment, the cross section of the guide rail is L-shaped structure, is led described in adjacent two Rail is oppositely arranged, and the guide rail is removably connect with the braced frame, is arranged between the guide rail and the braced frame There is voussoir, the voussoir is used to adjust the gap between the guide rail and the guide wheel group.

In the utility model optional embodiment, the movable stand is provided with rotation chamber, second slewing rollers and institute It states movable stand rotatably to connect, part second slewing rollers are intracavitary positioned at the rotation, and second slewing rollers being capable of band Dynamic strip is in the intracavitary movement of rotation.

In the utility model optional embodiment, second slewing rollers include the first roll body and with first roll body The first bearing seat being rotatably connected, the first bearing seat are located at the both ends of first roll body；The first bearing seat is used It is removably connect in the movable stand, first roll body includes roller and spindle nose, and the spindle nose is located at the roller Both ends, the spindle nose are connect with the roller, and the spindle nose is rotatably connect with the first bearing seat by bearing, described The both ends of bearing are respectively arranged with bearing cap, and the bearing cap and the first bearing seat are tightly connected.

In the utility model optional embodiment, the tension stabilizing device of the vertical float mode further includes balancing machine Structure, the balance mechanism include two balanced components, and described two balanced components, which are located at, described vertically moves the opposite of vehicle Both ends, the balanced component includes equalizer bearing seat, sheave shaft, two rope sheaves, wirerope and counterweight case, the balance Bearing block is installed on the top of the braced frame, and the sheave shaft is rotatably connect with the equalizer bearing seat, and described two A rope sheave and the rope sheave axis connection, the steel wire loop are set to the rope sheave and cooperate with the rope sheave, the wirerope Both ends are connect with the counterweight case and the vehicle that vertically moves respectively, and the counterweight case and the vehicle that vertically moves divide Not Wei Yu the sheave shaft two sides.

In the utility model optional embodiment, the tonometry roller includes the second roll body and tensometer, and described the Two roll bodies are removably connect with the braced frame by second bearing seat, and second roll body and the second bearing seat can The connection of rotation, the tensometer are removably connect with second roll body.

In the utility model optional embodiment, the cylinder driving mechanism includes that air cylinder support, cylinder and cylinder connect Head, the air cylinder support is for being installed on fixture, and the cylinder is removably connect with the air cylinder support, the cylinder edge Vertical direction setting, the piston rod of the cylinder vertically move vehicle and are connect by the cylinder connector with described.

In the utility model optional embodiment, the servo-control mechanism includes pneumatic system and PLC control system, The pneumatic system includes air accumulator, gas source processing element and ratio adjusting valve, and the air accumulator is located at the gas source processing elements Between part and the ratio adjusting valve, the ratio adjusting valve is connect with the cylinder, the PLC control system respectively with ratio Regulating valve and tensometer electrical connection.

In the utility model optional embodiment, the tension stabilizing device of the vertical float mode further includes straight line position Displacement sensor, the linear displacement transducer include that detector and displacement bracket, the detector pass through with the braced frame The displacement bracket removably connects, and the detector is connect with the vehicle that vertically moves, the detector and the ratio Regulating valve electrical connection, the detector are used to detect the displacement for vertically moving vehicle.

Compared with prior art, the beneficial effects of the utility model are：

The tension stabilizing device of vertical float mode can work as strip tension in cold-rolled steel sheet continuous heat unit When setting value changes, tension stabilizing device can follow the variation of tension setting value, be automatically adjusted to the setting value；And it sets at this Tension servo adjusting is constantly carried out at definite value, the moment keeps the stabilization of actual tension value, is not required to operator's operation, and improve The precision of tension force, meets the needs of cold rolled sheet Heat treating machine set.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the structural schematic diagram of the tension stabilizing device of vertical float mode provided by the embodiment of the utility model；

Fig. 2 be vertical float mode provided by the embodiment of the utility model tension stabilizing device A to structural representation Figure；

Fig. 3 is enlarged diagram at the B of Fig. 2；

Fig. 4 is the structural schematic diagram of the second slewing rollers；

Fig. 5 is the structural schematic diagram of the balance mechanism of Fig. 1；

Fig. 6 is the structural schematic diagram of the pneumatic system of vertical float mode provided by the embodiment of the utility model；

Fig. 7 is the force analysis signal of the tension stabilizing device of vertical float mode provided by the embodiment of the utility model Figure；

Fig. 8 is the control flow signal of the tension stabilizing device of vertical float mode provided by the embodiment of the utility model Figure；

Fig. 9 is the structure diagram of the tension stabilizing device of vertical float mode provided by the embodiment of the utility model.

Icon：The tension stabilizing device of 100- vertical float mode；1- braced frame；11- column；12- connecting cross beam； 13- guide rail；15- sliding space；16- connecting lateral plate；17- accommodating chamber；The first slewing rollers of 2-；3- tonometry roller；The second roller of 31- Body；32- tensometer；4- vertically moves vehicle；The second slewing rollers of 41-；The first roll body of 411-；4111- roller；4112- spindle nose； 4113- support plate；412- first bearing seat；413- bearing；414- bearing cap；42- movable stand；421- connection guide part；422- Rotate chamber；43- guide wheel group；431- guide wheel；5- cylinder driving mechanism；51- air cylinder support；52- cylinder；53- cylinder connector；61- Pneumatic system；611- air accumulator；612- gas source processing unit；613- ratio adjusting valve；7- balance mechanism；71- equalizer bearing seat； 72- sheave shaft；73- rope sheave；74- wirerope；75- counterweight case；8- linear displacement transducer.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.

It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term "inner", "outside" For be based on the orientation or positional relationship shown in the drawings or the utility model product using when the orientation or position usually put Relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.This Outside, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in utility model.

Embodiment

Fig. 1 is please referred to, the present embodiment provides a kind of tension stabilizing devices 100 of vertical float mode, are applied to cold-rolled strip Steel continuous heat production line, be applied to stokehold tension adjustment, including braced frame 1, the first slewing rollers 2, tonometry roller 3, Vertically move vehicle 4, cylinder driving mechanism 5 and servo-control mechanism.

In the present embodiment, braced frame 1 includes four columns 11, and four columns 11 surround frame structure, for installing In fixture (ground), play the role of support；First slewing rollers 2 and tonometry roller 3 are located at the opposite of braced frame 1 Both sides, and be located at braced frame 1 bottom；The inside of braced frame 1 is provided with four guide rails 13, four guide rails 13 and four Root post 11 is corresponding, vertically moves vehicle 4 and is located in the space that four columns 11 surround, vertically moves vehicle 4 and be provided with guide wheel 431, Guide wheel 431 is located in guide rail 13, vertically moves vehicle 4 and is connect with braced frame 1 by guide wheel 431, and vertically moving vehicle 4 can be along leading Rail 13 is mobile relative to braced frame 1, vertically moves vehicle 4 and is provided with the second slewing rollers 41, strip is through the first slewing rollers 2, second Enter heat-treatment furnace after slewing rollers 41 and tonometry roller 3；Cylinder driving mechanism 5 is installed on fixture (ground), and is located at The lower section of vehicle 4 is vertically moved, cylinder driving mechanism 5 is connect with vehicle 4 is vertically moved, and cylinder driving mechanism 5 can drive vertical shifting Motor-car 4 moves along the vertical direction, so that the tension of strip is adjusted；Servo-control mechanism and cylinder driving mechanism 5 connect It connects, tension stabilizing device is allowed to change its power output automatically, do not need operator's operation, improve the essence of tension force Degree, meets the needs of cold rolled sheet Heat treating machine set.

Below to the specific structure of all parts of the tension stabilizing device 100 of the vertical float mode and between each other Positional relationship is described in detail.

As depicted in figs. 1 and 2, braced frame 1 includes four columns 11 and Duo Gen connecting cross beam 12, and four columns 11 surround The sliding space 15 of rectangle, four columns 11 play the role of support for being installed on fixture.In the present embodiment, four It is two groups that column 11, which is divided to, and every group of column 11 is provided with connecting cross beam 12, and two groups of columns 11 are oppositely arranged, and connecting cross beam 12 is located at phase Between adjacent two root posts 11, the both ends of connecting cross beam 12 are connect with two root posts 11 respectively, and connecting cross beam 12 is used to support phase Adjacent two root posts 11 guarantee the bonding strength of braced frame 1.The inside of braced frame 1 is provided with four guide rails 13, and four are led Rail 13 and four columns 11 correspond, and guide rail 13 is arranged along the vertical direction.

As shown in figure 3, the cross section of guide rail 13 is L-shaped structure, two adjacent guide rails 13 are oppositely arranged, guide rail 13 and branch Support frame frame 1 (column 11) removably connects, and the both sides of column 11 are provided with connecting lateral plate 16, connecting lateral plate 16 with 11 groups of column At the accommodating chamber 17 of U-shaped, guide rail 13 is located in accommodating chamber 17, and guide rail 13 is bolted with connecting lateral plate 16.As this The optional way of embodiment, guide rail 13, which is that L shape steel plate is thermally treated by cross section, to be process, and is fixed on by bolt vertical On column 11.

First slewing rollers 2 are respectively arranged in the opposite both sides of braced frame 1 with tonometry roller 3, the first slewing rollers 2 with Tonometry roller 3 is corresponding with one group of column 11 respectively, and the first slewing rollers 2 are located at the bottom of braced frame 1 with tonometry roller 3. It vertically moves vehicle 4 to be located in the sliding space 15 that four columns 11 surround, vertically moves vehicle 4 and led with braced frame 1 by four Rail 13 slidably connects, and vertically moves vehicle 4 and is provided with the second slewing rollers 41, strip sequentially passes through 2, second turns of the first slewing rollers It to roller 41 and tonometry roller 3, vertically moves vehicle 4 and is moved along guide rail 13 relative to braced frame 1, of strip can be changed Power.

First slewing rollers 2 are identical as the structure of the second slewing rollers 41, and specific structure is introduced by the second slewing rollers 41. Second slewing rollers 41 include the first roll body 411 and the first bearing seat 412 being rotatably connected with the first roll body 411, first bearing Seat 412 is located at the both ends of the first roll body 411, and first bearing seat 412 is used for and vertically moves vehicle 4 (or column 11) and removably connect It connects, as shown in Figure 2 and Figure 4, the first roll body 411 includes roller 4111 and spindle nose 4112, and being internally provided with for roller 4111 is multiple The support plate 4113 being distributed along the axially spaced-apart of roller 4111, support plate 4113 are used to support roller 4111, spindle nose 4112 and branch Fagging 4113 welds, and the end sleeve of spindle nose 4112 is equipped with bearing 413, and bearing 413 is connect with first bearing seat 412, spindle nose 4112 It is rotatably connect with first bearing seat 412 by bearing 413, the both ends of bearing 413 are respectively arranged with bearing cap 414, bearing Lid 414 and the sealed connection of first bearing seat 412 form closed space, prevent dust from entering bearing 413, damage bearing 413, make First roll body 411 can rotate freely.

Tonometry roller 3 includes the second roll body 31 and tensometer 32 (as shown in Figure 1), and tonometry roller 3 is relative to first Slewing rollers 2 and the second slewing rollers 41 increase tensometer 32, and the second roll body 31 is identical as 411 structure of the first roll body, the second roll body 31 are removably connect with braced frame 1 by second bearing seat, and the second roll body 31 is rotatably connect with second bearing seat, Power meter 32 is removably connect with the second roll body 31.Tensometer 32 is used to measure the stress value of the second roll body 31, to feed back band The size of steel tension fluctuation.

Vertically moving vehicle 4 includes movable stand 42 and the guide wheel for being installed on movable stand 42, as depicted in figs. 1 and 2, movement Frame 42 includes four connection guide parts 421, and four connection guide parts 421 are located at the quadrangle of movable stand 42, and four connections are led It is corresponded to portion 421 and four guide rails 13, guide wheel includes four guide wheel groups 43, and four guide wheel groups 43 are connect with four to be led It is corresponded to portion 421, each guide wheel group 43 includes two guide wheels 431 being distributed along the vertical direction, and guide wheel 431 is oriented to connecting Portion 421 rotatably connects, and guide wheel 431 is rotatably provided in guide rail 13, and guide wheel 431 is relative to 421 turns of guide part of connection Dynamic, the length direction (vertical direction) for being able to drive movable stand 42 along guide rail 13 is mobile relative to braced frame 1, so that band The tension change of steel.

In the present embodiment, voussoir is provided between guide rail 13 and column 11, voussoir is located in accommodating chamber 17, and voussoir is used for The gap between guide rail 13 and guide wheel 431 is adjusted, so that it is mobile flexible relative to braced frame 1 to vertically move vehicle 4.

In the present embodiment, movable stand 42 is provided with rotation chamber 422, and the second slewing rollers 41 rotatably connect with movable stand 42 It connects, first bearing seat 412 is removably connect with movable stand 42, and the second slewing rollers of part 41 (the first roll body 411) are located at rotation In chamber 422, the second slewing rollers 41 are able to drive strip and move in rotation chamber 422, are equivalent to, the second slewing rollers 41 are relative to shifting Moving frame 42 rotates, and it is mobile to be able to drive strip.

As depicted in figs. 1 and 2, the tension stabilizing device 100 of the vertical float mode further includes balance mechanism 7, balancing machine Structure 7 includes two balanced components, and two balanced components are located at the opposite both ends for vertically moving vehicle 4 (movable stand 42), often A balanced component is corresponding with one group of column 11, as shown in figure 5, balanced component includes equalizer bearing seat 71, sheave shaft 72, two ropes Wheel 73, wirerope 74 and counterweight case 75, equalizer bearing seat 71 are installed on the top of column 11 and dismountable with column 11 Connection, two equalizer bearing seats 71 are rotatably connect with sheave shaft 72 respectively, and two rope sheaves 73 are located at the both ends of sheave shaft 72, Wirerope 74 is sheathed on rope sheave 73 and cooperates with rope sheave 73, the both ends of wirerope 74 respectively with counterweight case 75 and vertically move Vehicle 4 (movable stand 42) connection, counterweight case 75 and movable stand 42 are located at the two sides of sheave shaft 72.As the present embodiment Optional way, counterweight case 75 are the cabinet being welded by steel plate, and the height of internal casting cement, cement can be according to vertical The weight of locomotive 4 determines, finally makes counterweight case 75 and vertically moves subject to vehicle 4 is equal in weight.Balance mechanism 7 is set It sets, is moved steadily so that vertically moving vehicle 4 along guide rail 13, improve the moving stability for vertically moving vehicle 4.

Cylinder driving mechanism 5 is located at the lower section for vertically moving vehicle 4, as shown in Figure 1, cylinder driving mechanism 5 includes cylinder branch Frame 51, cylinder 52 and cylinder connector 53, air cylinder support 51 is for being installed on fixture (ground)；Cylinder 52 and air cylinder support 51 can The connection of disassembly, air cylinder support 51 play the role of support, positioning cylinder 52, and cylinder 52 is arranged along the vertical direction, cylinder 52 Piston rod with vertically move vehicle 4 (movable stand 42) and connect by cylinder connector 53, the piston rod of cylinder connector 53 and cylinder 52 can The connection of disassembly, 52 structure of cylinder with vertically move vehicle 4 and removably connect, convenient for vertically moving the Assembly And Disassembly of vehicle 4, mention High maintenance efficiency.Cylinder 52 can drive movable stand 42 to move along the length direction of guide rail 13, real so as to adjust the tension of strip The automatic adjustment of existing strip tension.

Servo-control mechanism includes pneumatic system 61 and PLC control system, as shown in fig. 6, pneumatic system 61 includes gas storage Tank 611, gas source processing unit 612 and ratio adjusting valve 613, air accumulator 611 are located at gas source processing unit 612 and ratio adjusting valve Between 613 gas circuit, ratio adjusting valve 613 is connect with cylinder 52；PLC system respectively with ratio adjusting valve 613 and tensometer 32 Electrical connection is exported by the tension for the strip that tensometer 32 detects according to the air-flow for calculating adjustment ratio adjusting valve 613.

Air accumulator 611 and gas source processing unit 612 are prerequisites, ensure that the stabilization of 52 operating pressure of cylinder, are ensured Cylinder 52 can be under real-time control, correct and stable work.Ratio adjusting valve 613 is connect with cylinder 52, when unit tension When constant, cylinder thrust balances each other with two times of strip tension；The supply gas pressure of cylinder 52 is by the ratio in pneumatic system 61 Regulating valve 613 set up, and system can in real time 52 pressure of auto regulation cylinder in setting value.Due to the friction of field device The influence of resistance or other invalid resistances can carry out certain coefficient of tension compensation with the output of comparative example regulating valve 613, in the hope of Reach more accurate stability contorting effect.The effective push of cylinder 52 is converted into the confession of ratio adjusting valve 613 through PLC control system The master of atmospheric pressure, the control as ratio adjusting valve 613 is given.52 thrust of the cylinder feelings constant in cylinder diameter, bar diameter, range It is one-to-one with strip tension setting value, and meet buffer roll equilibrium condition under condition：

N=2T+f

In formula：N---- cylinder effective push；T---- strip tension；The frictional resistance of f---- buffer roll.Fig. 7 is, vertically The stress analysis schematic diagram of the tension stabilizing device 100 of ralocatable mode.Fig. 8 is the tension stabilizing device 100 of vertical float mode Control flow schematic diagram.Fig. 9 is the structure diagram of the tension stabilizing device 100 of vertical float mode.

In the present embodiment, the tension stabilizing device 100 of the vertical float mode further includes linear displacement transducer 8, directly Linear movement pick-up 8 includes detector and displacement bracket, and detector is removably connect with braced frame 1 by being displaced bracket, Detector is connect with vehicle 4 is vertically moved, and detector is electrically connected with ratio adjusting valve 613 by PLC control system.Detector is used for Detection vertically moves the displacement of vehicle 4, and the displacement that detector will test is converted to electric signal and is delivered to PLC control system, PLC control system controls ratio adjusting valve 613 and works, and then controls cylinder 52 and push the speed for vertically moving the advance of vehicle 4.

The working principle of the utility model embodiment is：

When unit constant tension, cylinder thrust balances each other with two times of strip tension；When strip is stretched due to heated in furnace When long or other reasons cause strip tension to reduce suddenly, cylinder thrust and the equilibrium relation of furnace internal tension are broken, cylinder 52 It will push and vertically move the advance of vehicle 4, re-established until strip re-tensioning balances in turn, at this point, since cylinder 52 is by air pressure The control of servo-system, pressure can remain unchanged, therefore furnace internal tension also will stabilise at setting value；Conversely, when tension is unexpected When increase, the working principle of settling position is similar therewith.In this process, 8 real-time detection of linear displacement transducer is vertically moved The variation of 4 position of motor-car, when locomotive is moved to two end extreme positions, PLC control system meeting automatic fine tuning cylinder pressure, control It is slowly mobile that the promotion of cylinder 52 processed vertically moves vehicle 4；When being returned to middle position, cylinder pressure will be again restored to setting pressure Power.3 real-time detection strip tension of tonometry roller, the parameter adjusted according to the variation adjustment cylinder pressure PID of tension value, it is ensured that Tension value is stablized during cylinder pressure adjustment, does not occur big fluctuation.

The tension stabilizing device 100 of the vertical float mode, can be in cold-rolled steel sheet continuous heat unit, strip For power in different range fluctuating change, tension stabilizing device can change its power output automatically, be not required to operator's operation, and mention The high precision of tension force, meets the needs of cold rolled sheet Heat treating machine set.

It should be noted that in the absence of conflict, the feature in the embodiments of the present invention can be tied mutually It closes.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of tension stabilizing device of vertical float mode, which is characterized in that including braced frame, the first slewing rollers, tension Measurement roller vertically moves vehicle, cylinder driving mechanism and servo-control mechanism；

The braced frame is respectively arranged in described for being installed on fixture, first slewing rollers and the tonometry roller The opposite both sides of braced frame, first slewing rollers and the tonometry roller are located at the bottom of the braced frame, institute It states and is provided with four guide rails on the inside of braced frame, the guide rail is arranged along the vertical direction, described to vertically move vehicle and the branch Support frame frame is slidably connected by four guide rails, and the cylinder driving mechanism is located at the lower section for vertically moving vehicle, The cylinder driving mechanism is connect with the vehicle that vertically moves, and the vehicle that vertically moves is provided with the second slewing rollers, and strip is successively Across first slewing rollers, second slewing rollers and the tonometry roller, the cylinder driving mechanism can drive institute It states and vertically moves vehicle and moved along the length direction of the guide rail, the servo-control mechanism is connect with the cylinder driving mechanism, The servo-control mechanism can control the working condition of the cylinder driving mechanism.

2. the tension stabilizing device of vertical float mode according to claim 1, which is characterized in that described to vertically move vehicle Including movable stand and the guide wheel for being installed on the movable stand, the movable stand include four connection guide parts, described four Connection guide part is located at the quadrangle of the movable stand, and four connection guide parts and four guide rails correspond, The guide wheel includes four guide wheel groups, and four guide wheel groups connect guide part with described four and correspond, described to lead Wheel group is rotatably connected with the connection guide part, and the guide wheel group is rotatably provided in the guide rail.

3. the tension stabilizing device of vertical float mode according to claim 2, which is characterized in that the guide rail it is transversal Face is L-shaped structure, and two adjacent guide rails are oppositely arranged, and the guide rail is removably connect with the braced frame, institute It states and is provided with voussoir between guide rail and the braced frame, the voussoir is for adjusting between the guide rail and the guide wheel group Gap.

4. the tension stabilizing device of vertical float mode according to claim 2, which is characterized in that the movable stand setting There is rotation chamber, second slewing rollers are rotatably connect with the movable stand, and part second slewing rollers are located at described turn Move intracavitary, second slewing rollers are able to drive strip in the intracavitary movement of the rotation.

5. the tension stabilizing device of vertical float mode according to claim 4, which is characterized in that second slewing rollers Including the first roll body and the first bearing seat being rotatably connected with first roll body, the first bearing seat is located at described first The both ends of roll body；The first bearing seat for removably being connect with the movable stand, first roll body include roller and Spindle nose, the spindle nose are located at the both ends of the roller, and the spindle nose is connect with the roller, the spindle nose and the first bearing Seat is rotatably connected by bearing, and the both ends of the bearing are respectively arranged with bearing cap, the bearing cap and the first axle Hold seat sealed connection.

6. the tension stabilizing device of vertical float mode according to claim 2, which is characterized in that the vertical float side The tension stabilizing device of formula further includes balance mechanism, and the balance mechanism includes two balanced components, described two balanced components The opposite both ends for vertically moving vehicle are located at, the balanced component includes equalizer bearing seat, sheave shaft, two ropes Wheel, wirerope and counterweight case, the equalizer bearing seat are installed on the top of the braced frame, the sheave shaft with it is described Equalizer bearing seat rotatably connects, and described two rope sheaves and the rope sheave axis connection, the steel wire loop are set to the rope sheave And cooperate with the rope sheave, the both ends of the wirerope are connect with the counterweight case and the vehicle that vertically moves respectively, institute State counterweight case and the two sides for vertically moving vehicle and being located at the sheave shaft.

7. the tension stabilizing device of vertical float mode according to claim 1, which is characterized in that the tonometry roller Including the second roll body and tensometer, second roll body is removably connect with the braced frame by second bearing seat, institute It states the second roll body rotatably to connect with the second bearing seat, the tensometer is removably connect with second roll body.

8. the tension stabilizing device of vertical float mode according to claim 7, which is characterized in that the cylinder driving machine Structure includes air cylinder support, cylinder and cylinder connector, and the air cylinder support is for being installed on fixture, the cylinder and the cylinder Bracket removably connects, and the cylinder is arranged along the vertical direction, and the piston rod of the cylinder passes through with the vehicle that vertically moves The cylinder connector connection.

9. the tension stabilizing device of vertical float mode according to claim 8, which is characterized in that the servo-controlled machines Structure includes pneumatic system and PLC control system, and the pneumatic system includes air accumulator, gas source processing element and ratio adjusting valve, Between the gas source processing element and the ratio adjusting valve, the ratio adjusting valve and the cylinder connect the air accumulator It connects, the PLC control system is electrically connected with ratio adjusting valve and the tensometer respectively.

10. the tension stabilizing device of vertical float mode according to claim 9, which is characterized in that the vertical float The tension stabilizing device of mode further includes linear displacement transducer, and the linear displacement transducer includes detector and displacement branch Frame, the detector and the braced frame are removably connect by the displacement bracket, the detector with it is described vertical Locomotive connection, the detector be electrically connected with the ratio adjusting valve, the detector be used to detect described in vertically move vehicle Displacement.