CN103588036B - A kind of method of draw drum speed controlling - Google Patents
A kind of method of draw drum speed controlling Download PDFInfo
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- CN103588036B CN103588036B CN201310477707.7A CN201310477707A CN103588036B CN 103588036 B CN103588036 B CN 103588036B CN 201310477707 A CN201310477707 A CN 201310477707A CN 103588036 B CN103588036 B CN 103588036B
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Abstract
A kind of paying off system with draw drum auto speed control device, including the multiple draw drums being sequentially connected with, silk guide frame I, silk guide frame II, trailer wagon, guide rail bracket, hoist engine, one draw drum auto speed control device is installed between silk guide frame I and silk guide frame II, draw drum auto speed control device includes velocity response part, the gentle dynamic brake of automatically controlled part, and described velocity response part includes block roller, dancer guide rail, sensor, dancer and base；The block roller that steel wire is positioned at wire material both sides, play a protective role is fixedly mounted on base; dancer guide rail is positioned at after block roller and is fixedly mounted on abreast on base with block roller; dancer is placed on dancer guide rail; upper and lower limit level sensor is separately mounted to the two ends up and down of dancer guide rail; during use, thread material level is immediately below dancer；Draw drum speed in production or work progress can be automatically adjusted by this draw drum auto speed control device, it is possible to decrease produces or construction cost.
Description
Technical field
The present invention relates to a kind of bridge cable production or construction machinery, particularly a kind of steel wire with automaton or steel strand wires paying off system and draw drum auto speed control device thereof.
Background technology
Current actinobacillus device controls generally to adopt the method that foot switch control air valve break-make carries out aerobraking that draw drum speed is controlled in production or work progress medium velocity, general technical process (referring to Fig. 1) is: trailer wagon is under the drive of hoist engine, material is pulled out from several draw drums, after silk guide frame I and silk guide frame II, guide rail bracket and cut-to-length device severing, completes fixed-length blanking；In whole technical process, owing to the material tightness on each draw drum is inconsistent, it is inconsistent relative to drum centre-to-centre spacing (material leave draw drum place radius of turn inconsistent), and material one end linear velocity of being fixed on trailer wagon is identical, so each draw drum rotary speed under the drive of dolly is also inconsistent, if trailer wagon is accelerating or drum speed is not individually being controlled in braking procedure, existence due to inertia force, this will cause material to get loose and eject draw drum, and impact is normal to be produced or construction；Now, generally judged the speed controlling demand to draw drum by operative employee, when needs slow down draw drum rotating speed, tramp with one's feet to step on and trample switch, two-position three-way valve connects pneumatic braking device source of the gas, and pneumatic braking device clamping braking dish is implemented draw drum is braked, then, depending on demand for control, unclamping and trample switch, two-position three-way valve connects pneumatic braking device air vent, pneumatic braking device aerofluxus, take-off the brake dish, releases the braking to draw drum.Manufacturer or construction party improve production or efficiency of construction usually by the method being continuously increased a blowing quantity, this also means that draw drum quantity is also increasing；Therefore adopt the method for Artificial Control draw drum speed to have the disadvantage that 1, manual observation and the time needed for responding long, and the phenomenon attended to one thing and lose sight of another often is there is when multiple drum, cannot realizing the ability of the multiple drums of control of same time, control accuracy is low；2, dangerous high, in production process, drum high speed rotating, Artificial Control needs close-ups and operation, dangerous high；3, unwrapping wire drum quantity increases, and the personnel of input increase, and causes producing or construction cost increase.
Summary of the invention
It is an object of the invention to provide a kind of draw drum auto speed control device and the paying off system with this device and realize the method that draw drum speed automatically controls, production or work progress center line disc speed degree can be automatically adjusted by this draw drum auto speed control device, and many drums can be realized control simultaneously, improve control accuracy and product quality, reduce and produce or construction cost.
For solving the problems referred to above, the present invention adopts the technical scheme that: a kind of draw drum auto speed control device, it is characterized in that: this draw drum auto speed control device includes velocity response part, the gentle dynamic brake of automatically controlled part, described velocity response part includes block roller, dancer guide rail, sensor, dancer and base, and described sensor includes upper limit sensor and lower limit sensor；The block roller that wire material is positioned at wire material both sides, play a protective role is fixedly mounted on base; dancer guide rail is positioned at after block roller and is fixedly mounted on abreast on base with block roller; dancer is placed on dancer guide rail; upper and lower limit level sensor is separately mounted to the two ends up and down of dancer guide rail; during use, material is positioned at immediately below dancer；Pneumatic braking device is installed on the lower section of controlled draw drum, coordinates with the braking dish on controlled draw drum；
Described electric control part is divided and is included: braking proximity switch KT1 namely: lower limit sensor, loosen proximity switch KT2 namely: upper limit sensor, auxiliary reclay M1, auxiliary reclay M2 and auxiliary reclay M3, time relay T1, two-bit triplet electromagnetic valve Y1, manual change-over switch K1, automatic change-over K2；
When manual change-over switch K1 disconnects, during automatic change-over K2 Guan Bi, electric control part is divided into and automatically controlling: if now draw drum rotating speed is too fast, wire material downwarp, dancer is under gravity with wire material sinking, when namely dancer triggers braking proximity switch KT1: during lower limit sensor, auxiliary reclay M2 works, simultaneously, auxiliary reclay M1 and time relay T1 also works, two-position three-way valve Y1 connects pneumatic braking device source of the gas, pneumatic braking device clamping braking dish, braking brake, wire material tensioning, dancer rises, proximity switch KT2 is loosened namely: during upper limit sensor when dancer triggers, auxiliary reclay M3 works, auxiliary reclay M1 quits work, two-position three-way valve Y1 connects pneumatic braking device steam vent, take-off the brake dish, release braking brake.
What it was relevant another solution is that a kind of paying off system with draw drum auto speed control device, including the multiple draw drums being sequentially connected with, silk guide frame I, silk guide frame II, trailer wagon, guide rail bracket, hoist engine, it is characterized in that: each draw drum overlaps draw drum auto speed control device with 1, the velocity response of this draw drum auto speed control device is partially installed on the wire material that between silk guide frame I and silk guide frame II, each draw drum is broadcasted, and described draw drum auto speed control device is the draw drum auto speed control device that the present invention is above-mentioned；
Described draw drum auto speed control device includes velocity response part, the gentle dynamic brake of automatically controlled part, described velocity response part includes block roller, dancer guide rail, sensor, dancer and base, and described sensor includes upper limit sensor and lower limit sensor；The block roller that wire material is positioned at wire material both sides, play a protective role is fixedly mounted on base; dancer guide rail is positioned at after block roller and is fixedly mounted on abreast on base with block roller; dancer is placed on dancer guide rail; upper and lower limit level sensor is separately mounted to the two ends up and down of dancer guide rail; during use, thread material level is immediately below dancer；Pneumatic braking device is installed on the lower section of controlled draw drum, coordinates with the braking dish on controlled draw drum；
Described electric control part is divided and is included: braking proximity switch KT1 namely: lower limit sensor, loosen proximity switch KT2 namely: upper limit sensor, auxiliary reclay M1, auxiliary reclay M2 and auxiliary reclay M3, time relay T1, two-bit triplet electromagnetic valve Y1, manual change-over switch K1, automatic change-over K2；
When manual change-over switch K1 disconnects, during automatic change-over K2 Guan Bi, electric control part is divided into and automatically controlling: if now draw drum rotating speed is too fast, wire material downwarp, dancer is under gravity with wire material sinking, when namely dancer triggers braking proximity switch KT1: during lower limit sensor, auxiliary reclay M2 works, auxiliary reclay M1 and time relay T1 also works, two-position three-way valve Y1 connects pneumatic braking device source of the gas, pneumatic braking device clamping braking dish, braking brake, wire material tensioning, dancer rises, proximity switch KT2 is loosened namely: during upper limit sensor when dancer triggers, auxiliary reclay M3 works, auxiliary reclay M1 quits work, two-position three-way valve Y1 connects pneumatic braking device steam vent, pneumatic braking device take-off the brake dish, release braking brake.
Its relevant another technical scheme is: a kind of method of draw drum speed controlling, it is characterised in that: it is the method adopting draw drum auto speed control device of the present invention to realize the draw drum speed of paying off system is automatically adjusted；
When carrying out producing or constructing, wire material is released from draw drum, after silk guide frame I, draw drum auto speed control device, silk guide frame II, under the dragging of trailer wagon, launch along guide rail bracket direction, draw drum auto speed control device is in dolly distraction procedure, by the tightness of dancer and sensor sensing material, draw drum speed is automatically adjusted；Described sensor includes upper limit sensor and lower limit sensor；
It is as follows that it controls process: when draw drum is under the effect of inertia force, when speed is accelerated suddenly, wire material is near the downwarp gradually of draw drum place, dancer is under gravity with wire material sinking, when namely dancer triggers braking proximity switch KT1: during lower limit sensor, auxiliary reclay M2 works, auxiliary reclay M1 and time relay T1 also works, two-position three-way valve Y1 connects pneumatic braking device source of the gas, pneumatic braking device clamping braking dish, braking brake, wire material tensioning, dancer rises, proximity switch KT2 is loosened namely: during upper limit sensor when dancer triggers, auxiliary reclay M3 works, auxiliary reclay M1 quits work, two-position three-way valve Y1 connects pneumatic braking device steam vent, pneumatic braking device take-off the brake dish, release braking brake.
Owing to adopting technique scheme, the draw drum auto speed control device of the present invention and the paying off system with this device have following beneficial effect:
1. response speed is fast, and control accuracy is high, it may be achieved many drums control simultaneously, improves control accuracy and product quality, reduces and produces or construction cost.
The paying off system of the present invention wire material that each draw drum is broadcasted between silk guide frame I 21 and silk guide frame II 22 is provided with a draw drum auto speed control device, the dancer of this draw drum auto speed control device synchronizes change with wire material (steel wire or steel strand wires) height change, can monitor in real time to the degree of tightness situation of wire material, and carry out signal feedback simultaneously, automatically controlling two-position three-way valve is realized by automatically controlled part, and then realize draw drum braking and cancel automatically controlling of braking, prior art relatively uses artificial observation and Artificial Control method, its response speed is fast, control accuracy is high, and production efficiency can be improved, reduce the risk of cost of labor and manual operation.
2. draw drum auto speed control device is rational in infrastructure, can in time draw drum speed be adjusted.
The operation principle of the present invention a kind of draw drum auto speed control device is as follows: wire material, such as steel wire or steel strand wires pass below from dancer, during production, wire material is played a protective role by two ends block roller, when draw drum is under the effect of inertia force, when speed is accelerated suddenly, steel wire or steel strand wires are can downwarp gradually near draw drum place, dancer falls down with steel wire or steel strand wires under gravity, instantly after limit sensors senses the lower limit position of dancer, send control signal, started two-position three-way valve by automatically controlled part and connect pneumatic braking device source of the gas, pneumatic braking device clamping braking dish, implement draw drum is braked, and slowing down along with draw drum speed, steel wire or steel strand wires start tensioning, dancer up moves with steel wire or steel strand wires, when upper level sensor receives the upper extreme position of dancer, send control signal, two-position three-way valve is started by automatically controlled part, connect pneumatic braking device air vent, pneumatic braking device aerofluxus, take-off the brake dish, release the braking to draw drum, ensure that the tensioning degree of steel wire or steel strand wires is within the scope controlled.
Below, in conjunction with the accompanying drawings and embodiments the technical characteristic of the draw drum auto speed control device of the present invention and the paying off system with this device and the method that realizes draw drum speed controlling is further described.
Accompanying drawing explanation
Fig. 1: existing pay-off system structure schematic diagram；
Fig. 2: the present invention is with the pay-off system structure schematic diagram of draw drum auto speed control device；
Fig. 3～Fig. 5: draw drum auto speed control device structural representation of the present invention；
Fig. 3: front view, the left view of Fig. 4: Fig. 3, the A-A sectional view of Fig. 5: Fig. 3；
Fig. 6: the automatically controlled part circuit structure of draw drum auto speed control device of the present invention；
Fig. 7: the aerobraking schematic diagram of draw drum auto speed control device of the present invention；
Fig. 8: one of draw drum auto speed control device of the present invention installation site schematic diagram on paying off system (velocity response part scheme of installation)；
Fig. 9;One of draw drum auto speed control device of the present invention installation site schematic diagram on paying off system (pneumatic braking device installation site schematic diagram).
In figure:
1,101,102-draw drum, the controlled draw drum of 11-, 12-braking dish；
21-silk guide frame I, 22-silk guide frame II；
3,301,302-velocity response part,
31-block roller, 32-dancer guide rail, 33-sensor, 331-lower limit sensor, 332-upper limit sensor, 34-dancer, 35-base；
4,401, the automatically controlled part of 402-；
5,501,502-pneumatic braking device, 51, the cylinder of 52-pneumatic braking device；
6-trailer wagon, 7-guide rail bracket, 8-hoist engine, 9-wire material；
All the other labels are shown in embodiment explanation.
Detailed description of the invention
Embodiment one:
A kind of draw drum auto speed control device, as shown in Fig. 3-Fig. 5, Fig. 8, Fig. 9, this draw drum auto speed control device includes velocity response part 3, automatically controlled part 4 and pneumatic braking device 5, described velocity response part includes block roller 31, dancer guide rail 32, sensor 33, dancer 34 and base 35, and described sensor 33 includes upper limit sensor 332 and lower limit sensor 331；The block roller 31 that steel wire is positioned at wire material both sides, play a protective role is fixedly mounted on base 35; dancer guide rail 32 is positioned at block roller 31 and is fixedly mounted on base 35 abreast with block roller 31 below; dancer 34 is placed on dancer guide rail 32; upper and lower limit level sensor 332,331 is separately mounted to the two ends up and down of dancer guide rail 32; during use, wire material 9 is positioned at immediately below dancer 34；Pneumatic braking device 5 is installed on the lower section of controlled draw drum 11, coordinates (referring to Fig. 9) with the braking dish 12 on controlled draw drum 11；
Described automatically controlled part 4 includes: braking proximity switch KT1 namely: lower limit sensor 331, loosen proximity switch KT2 namely: upper limit sensor 332, auxiliary reclay M1(421), auxiliary reclay M2(422) and auxiliary reclay M3(423), time relay T1(43), two-bit triplet electromagnetic valve Y1(44), manual change-over switch K1(451), automatic change-over K2(452)；
As manual change-over switch K1(451) disconnect, automatic change-over K2(452) when closing, electric control part is divided into and automatically controlling: if now draw drum rotating speed is too fast, wire material 9 downwarp, dancer 34 sinks with wire material 9 under gravity, when namely dancer 34 triggers braking proximity switch KT1: during lower limit sensor 331, auxiliary reclay M2 works, simultaneously, auxiliary reclay M1 and time relay T1 also works, two-position three-way valve Y1 connects pneumatic braking device 5 source of the gas, pneumatic braking device 5 clamps braking dish 12, braking brake, steel wire tensioning, dancer 34 rises, proximity switch KT2 is loosened namely: during upper limit sensor 332 when dancer 34 triggers, auxiliary reclay M3 works, auxiliary reclay M1 quits work, two-position three-way valve Y1 connects pneumatic braking device 5 steam vent, pneumatic braking device 5 take-off the brake dish 12, release braking brake (referring to Fig. 6, Fig. 7).
The connection of upper and lower limit level sensor 332,331 lead-in wire and automatically controlled part is referring to Fig. 3, Fig. 6.
Embodiment two:
A kind of paying off system with draw drum auto speed control device, as shown in Figure 8, this paying off system with draw drum auto speed control device includes the multiple draw drums 101 being sequentially connected with, 102, silk guide frame I 21, silk guide frame II 22, trailer wagon 6, guide rail bracket 7, hoist engine 8, draw drum 101, 102 are respectively provided with 1 set draw drum auto speed control device, the velocity response part 301 of this draw drum auto speed control device, 302 are arranged on the wire material that between silk guide frame I 21 and silk guide frame II 22, each draw drum is broadcasted, described draw drum auto speed control device is the draw drum auto speed control device described in embodiment one；
Described each draw drum auto speed control device includes velocity response part 3, automatically controlled part 4 and pneumatic braking device 5, described velocity response part includes block roller 31, dancer guide rail 32, sensor 33, dancer 34 and base 35, and described sensor 33 includes upper limit sensor 332 and lower limit sensor 331；The block roller 31 that wire material is positioned at wire material both sides, play a protective role is fixedly mounted on base 35; dancer guide rail 32 is positioned at block roller 31 and is fixedly mounted on base 35 abreast with block roller 31 below; dancer 34 is placed on dancer guide rail 32; upper and lower limit level sensor 332,331 is separately mounted to the two ends up and down of dancer guide rail 32; during use, wire material 9 is positioned at immediately below dancer 34；Pneumatic braking device 5 is installed on the lower section of controlled draw drum 11, coordinates with the braking dish 12 on controlled draw drum；
Described automatically controlled part 4 includes: braking proximity switch KT1 namely: lower limit sensor 331, loosen proximity switch KT2 namely: upper limit sensor 332, auxiliary reclay M1(421), auxiliary reclay M2(422) and auxiliary reclay M3(423), time relay T1(43), two-bit triplet electromagnetic valve Y1(44), manual change-over switch K1 (451), automatic change-over K2(452)；
As manual change-over switch K1(451) disconnect, automatic change-over K2(452) when closing, electric control part is divided into and automatically controlling: if now draw drum rotating speed is too fast, wire material 9 downwarp, dancer 34 sinks with wire material 9 under gravity, when namely dancer 34 triggers braking proximity switch KT1: during lower limit sensor 331, auxiliary reclay M2 works, auxiliary reclay M1 and time relay T1 also works, two-position three-way valve Y1 connects pneumatic braking device 5 source of the gas, pneumatic braking device 5 clamps braking dish 12, braking brake, wire material 9 tensioning, dancer rises, proximity switch KT2 is loosened namely: during upper limit sensor 332 when dancer 34 triggers, auxiliary reclay M3 works, auxiliary reclay M1 quits work, two-position three-way valve Y1 connects pneumatic braking device 5 steam vent, pneumatic braking device 5 take-off the brake dish 12, release braking brake.
Embodiment three:
A kind of method of draw drum speed controlling, it is the method adopting draw drum auto speed control device described in embodiment one to realize the draw drum speed of paying off system with draw drum auto speed control device described in embodiment two is automatically adjusted；
When carrying out producing or constructing, wire material 9 is released from draw drum, after silk guide frame I 21, draw drum auto speed control device, silk guide frame II 22, under the dragging of trailer wagon 6, launch along guide rail bracket direction, draw drum auto speed control device, in dolly distraction procedure, is sensed the tightness of material, draw drum speed is automatically adjusted by dancer 34 and sensor 33；Described sensor 33 includes upper limit sensor 332 and lower limit sensor 331；
It is as follows that it controls process: when draw drum is under the effect of inertia force, when speed is accelerated suddenly, wire material 9 is near the downwarp gradually of draw drum place, dancer 34 sinks with wire material 9 under gravity, when namely dancer 34 triggers braking proximity switch KT1: during lower limit sensor 331, auxiliary reclay M2 works, auxiliary reclay M1 and time relay T1 also works, two-position three-way valve Y1 connects pneumatic braking device 5 source of the gas, pneumatic braking device clamping braking dish 12, braking brake, wire material 9 tensioning, dancer 34 rises, proximity switch KT2 is loosened namely: during upper limit sensor 332 when dancer 34 triggers, auxiliary reclay M3 works, auxiliary reclay M1 quits work, two-position three-way valve Y1 connects pneumatic braking device 5 steam vent, pneumatic braking device 5 take-off the brake dish 12, release braking brake.
In various embodiments of the present invention, described wire material 9 includes steel wire or steel strand wires；Can also is that other the wire material making bridge cable.
Claims (2)
1. the method for a draw drum speed controlling, it is characterised in that: it is the method adopting the following paying off system with draw drum auto speed control device to realize the draw drum speed of this paying off system is automatically adjusted；
The described paying off system with draw drum auto speed control device, including the multiple draw drums (1) being sequentially connected with, silk guide frame I (21), silk guide frame II (22), trailer wagon (6), guide rail bracket (7), hoist engine (8), each draw drum overlaps draw drum auto speed control device with 1, the velocity response of this draw drum auto speed control device is partially installed on the wire material that between silk guide frame I (21) and silk guide frame II (22), each draw drum is broadcasted, described draw drum auto speed control device is following draw drum auto speed control device；
Described draw drum auto speed control device includes velocity response part (3), automatically controlled part (4) and pneumatic braking device (5), described velocity response part includes block roller (31), dancer guide rail (32), sensor (33), dancer (34) and base (35), and described sensor (33) includes upper limit sensor (332) and lower limit sensor (331)；The block roller (31) that wire material is positioned at wire material both sides, play a protective role is fixedly mounted on base (35); dancer guide rail (32) is positioned at block roller (31) and is fixedly mounted on base (35) abreast with block roller (31) below; dancer (34) is placed on dancer guide rail (32); upper and lower limit level sensor (332,331) is separately mounted to the two ends up and down of dancer guide rail (32); during use, wire material (9) is positioned at immediately below dancer (34)；Pneumatic braking device (5) is installed on the lower section of controlled draw drum (11), coordinates with the braking dish (12) on controlled draw drum (11)；
Described automatically controlled part (4) including: braking proximity switch KT1 namely: lower limit sensor (331), loosen proximity switch KT2 namely: upper limit sensor (332), auxiliary reclay M1(421), auxiliary reclay M2(422) and auxiliary reclay M3(423), time relay T1(43), two-bit triplet electromagnetic valve Y1(44), manual change-over switch K1 (451), automatic change-over K2(452)；
As manual change-over switch K1(451) disconnect, automatic change-over K2(452) when closing, electric control part is divided into and automatically controlling:
When carrying out producing or constructing, wire material (9) is released from draw drum, after silk guide frame I (21), draw drum auto speed control device, silk guide frame II (22), under the dragging of trailer wagon (6), launch along guide rail bracket direction, draw drum auto speed control device, in dolly distraction procedure, is sensed the tightness of wire material (9), draw drum speed is automatically adjusted by dancer (34) and sensor (33)；Described sensor (33) includes upper limit sensor (332) and lower limit sensor (331)；
It is as follows that it controls process: when draw drum is under the effect of inertia force, when speed is accelerated suddenly, wire material (9) is near the downwarp gradually of draw drum place, dancer (34) sinks with wire material (9) under gravity, when namely dancer (34) triggers braking proximity switch KT1: during lower limit sensor (331), auxiliary reclay M2 works, auxiliary reclay M1 and time relay T1 also works, two-position three-way valve Y1 connects pneumatic braking device (5) source of the gas, pneumatic braking device clamping braking dish (12), braking brake, wire material (9) tensioning, dancer (34) rises, proximity switch KT2 is loosened namely: during upper limit sensor (332) when dancer (34) triggers, auxiliary reclay M3 works, auxiliary reclay M1 quits work, two-position three-way valve Y1 connects pneumatic braking device (5) steam vent, pneumatic braking device (5) take-off the brake dish (12), release braking brake.
2. the method for a kind of draw drum speed controlling according to claim 1, it is characterised in that: described wire material (9) includes steel wire or steel strand wires or makes other wire material of bridge cable.
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| CN105563605A (en) * | 2016-01-18 | 2016-05-11 | 泗阳蓝阳托盘设备科技有限公司 | Reinforcing rib tensioning device |
| CN105563607A (en) * | 2016-01-18 | 2016-05-11 | 泗阳蓝阳托盘设备科技有限公司 | Rib feeding device of production equipment for plant fiber products |
| CN109926686A (en) * | 2019-04-12 | 2019-06-25 | 湖州久立不锈钢材料有限公司 | Active pay-off device and its line-putting method |
| CN110400660A (en) * | 2019-07-23 | 2019-11-01 | 上海起帆电缆股份有限公司 | A kind of novel aluminum-plastic composite band longitudinal wrap puts band constant tension device |
| CN110459989B (en) * | 2019-09-11 | 2020-08-18 | 乐变电气有限公司 | Prevent synchronous stopping tension disc pay off rack of wire whip split |
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