CN202063530U - Cooling forming machine steel band rectification system for long-distance conveying of high temperature materials - Google Patents

Cooling forming machine steel band rectification system for long-distance conveying of high temperature materials Download PDF

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Publication number
CN202063530U
CN202063530U CN2010206206791U CN201020620679U CN202063530U CN 202063530 U CN202063530 U CN 202063530U CN 2010206206791 U CN2010206206791 U CN 2010206206791U CN 201020620679 U CN201020620679 U CN 201020620679U CN 202063530 U CN202063530 U CN 202063530U
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China
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steel band
cylinder
driving wheel
pickup
limit switch
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Expired - Lifetime
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CN2010206206791U
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Chinese (zh)
Inventor
偶国富
金浩哲
饶杰
叶健
王吉
章翔
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HANGZHOU FURUDE TECHNOLOGY Co Ltd
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HANGZHOU FURUDE TECHNOLOGY Co Ltd
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Abstract

The utility model discloses a cooling forming machine steel band rectification system for long-distance conveying of high temperature materials, which comprises a driving wheel and a driven wheel. The driving wheel and the driven wheel are connected through a steel band. One end of the driving wheel is fixed while the other end is fixed through a hydraulic cylinder. The two ends of the driven wheel are respectively fixed through a cylinder. The pre-tightening force of the steel band between the driving wheel and the driven wheel is adjusted through the two cylinders. The steel band bottom is respectively provided with a driving wheel carrying roller and a driven wheel carrying roller for supporting the steel band bottom. A pressure roller is equipped between the driving wheel and the driven wheel and located on the upper side of the steel band bottom. The two-side bottoms of the steel band adjacent to the driven wheel are respectively provided with a limit switch. The two-side tops of the steel band adjacent to the driving wheel are respectively provided with a limit switch. Each limit switch is connected with an alarm. The driven wheel bottom adjacent to the second cylinder is provided with a photoelectric sensor. The driving wheel top adjacent to the hydraulic cylinder is provided with another photoelectric sensor. The photoelectric sensors are respectively used for detecting steel band running deviations. All sensors, the limit switches and the alarm are connected with a host computer through a PLC. The system in the utility model fulfills double-closed-loop control on the steel band positions on the ends of the driving wheel and the driven wheel and further achieves real-time rectification on the steel band conveying system.

Description

A kind of remote conveying high-temperature material cooling forming machine steel band deviation-rectifying system
Technical field
The utility model relates to the Steel Belt Transmission deviation-rectifying system, specifically relates to a kind of remote conveying high-temperature material cooling forming machine steel band deviation-rectifying system.
Background technology
Steel band high-temperature material delivery system is widely used in chemical industry, plastics industry, oil refining, the granulation of gas industry cooling curing, makes bar, ties sheet, food service industry biscuit baking etc.When generally steel band is carried high-temperature material, the water spray cooling is adopted in the steel band bottom, and the make-up machine span is big, and running environment is abominable, there is the feeding shakiness in the work, the unequal abnormal condition of cloth, it is inhomogeneous to cause steel band to be heated, and there is random distortion to a certain degree in steel band, the regular steel band sideslip that occurs in service, and there is quite big randomness, often causes the unplanned shutdown of device systems, had a strong impact on safe, stable, long period, the oepration at full load of device.
At high-temperature material steel band delivery system, when remote transmission, deviation-rectifying system commonly used at present adopts air-actuator, it has mainly acted on two aspects, the one, tension, the 2nd, the correction effect, the position by changing driving wheel or flower wheel central axis is in order to correction.In the conventional scheme, correction executing mechanism delay of response, the easy phase mutual interference of correction action, be difficult to realize real-time control, and rectifying effect is not obvious, causes the frequent spacing alarm of make-up machine, the steel band well damage, thus service life well below design life, thereby increased productive costs.By consulting document, technically, the deficiency that present existing deviation-rectifying system exists mainly is:
(1) in the existing deviation-rectifying system, driving wheel and flower wheel all adopt the mode of force balance.Promptly change the thrust of actuating unit, come the local deformation of compensating band, realize correction.Its shortcoming is the belt wheel axis can occur when vertical with transmission direction, with on tension force inhomogeneous.Can not satisfy tension force so simultaneously and equate and vertical two necessary conditions of axis that steel band still can sideslip with transmission direction.
(2) steel band is inhomogeneous because of high-temperature material, produces along the strap drive direction to be out of shape when inconsistent, increases the pressure of air-actuator, change the axial location of driving wheel or flower wheel, compensation steel band local deformation length realizes that the belt wheel axis is vertical with transmission direction, realizes correction.When the part is out of shape when excessive, the power that changes the axial location of driving wheel or flower wheel just needs very big, and may make the stress of band surpass permissible value, causes the steel band work life to shorten greatly.
When (3) the Steel Belt Transmission span was big, there was serious lag in existing deviation-rectifying system, and lacked on-site supervision, centralized control and parameter set-up function, and it is untimely to cause sideslip to be found, difficult management.
Therefore,, also lack a kind of device and control method that can respond driving system sideslip and correction fast at present, press for a kind of in real time dynamic deviation-rectifying system of design based on the PLC Based Intelligent Control at the steel band transmission system of remote conveying high-temperature material.
Summary of the invention
Carry the deficiency of the deviation-rectifying system existence of high-temperature material at domestic and international remote steel band, the purpose of this utility model is to provide a kind of remote conveying high-temperature material cooling forming machine steel band deviation-rectifying system, realize the dynamically correction in real time of steel band sideslip, guarantee the long-period stable operation of delivery system.
In order to achieve the above object, the technical solution adopted in the utility model is:
The utility model comprises driving wheel, flower wheel, steel band, the first air cylinder displacement pickup, first cylinder, the second air cylinder displacement pickup, second cylinder, pressure roller, the first pressure roller modulated pressure cylinder, the second pressure roller modulated pressure cylinder, first displacement pickup, second displacement pickup, hydraulic actuating cylinder and hydraulic actuating cylinder displacement pickup; Driving wheel is connected by steel band with flower wheel, wherein fixing, the other end C end of driving wheel one end B end is fixed by hydraulic actuating cylinder, flower wheel one end A end, other end D end are fixed by first cylinder and second cylinder respectively, and the steel band predetermincd tension between driving wheel and the flower wheel is regulated by first cylinder and second cylinder; The steel band bottom is provided with the driving wheel carrying roller respectively, the flower wheel carrying roller supports the steel band bottom, at steel band bottom upside pressure roller is set between driving wheel carrying roller and the flower wheel carrying roller; Near flower wheel steel band two side bottoms first limit switch, second limit switch are set respectively, near top, driving wheel both sides the 3rd limit switch, the 4th limit switch are set respectively, each limit switch is connected with annunciator; Flower wheel is provided with first opto-electronic pickup near second cylinder side bottom, and driving wheel is provided with second opto-electronic pickup near the hydraulic actuating cylinder side roof part, detects the steel band running deviation value respectively; First opto-electronic pickup, second opto-electronic pickup, the first cylinder piston-rod displacement sensor, the second cylinder piston-rod displacement sensor, first displacement pickup, second displacement pickup, hydraulic actuating cylinder displacement pickup are connected with PLC respectively with the limit switch annunciator, and PLC is connected with host computer by data line.
Described driving wheel carrying roller and flower wheel carrying roller are at a distance of 2~4m, and pressure roller is positioned in the middle of driving wheel carrying roller and the flower wheel carrying roller, and the driving wheel carrying roller is apart from driving wheel 5~6m.
Described first opto-electronic pickup, second opto-electronic pickup, the first air cylinder displacement pickup, the second air cylinder displacement pickup, first displacement pickup, the second displacement pickup output signal range are 4~20mA.
The beneficial effect that the utlity model has is:
The deviation-rectifying system that the utility model proposes has been set up carrying roller and pressure roller, and the rectifying cylinder of driving wheel changes hydraulic actuating cylinder into, by the closed loop control of PLC to actuating unit, can realize two closed loop controls of driving wheel end and flower wheel end steel band position, thereby quick, the high-precision steel band transmission system of finishing is rectified a deviation.The utility model is applicable to the real-time deviation correcting of flow process type industry high-temperature material conveying steel band transmission system, and is simple in structure, is easy to promote.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the birds-eye view of Fig. 1.
Fig. 3 is a control block diagram of the present utility model.
Among the figure: 1, first opto-electronic pickup; 2, first limit switch; 3, the first cylinder piston-rod displacement sensor; 4, first cylinder; 5, flower wheel carrying roller; 6, first displacement pickup; 7, second displacement pickup; 8, pressure roller; 9, the first pressure roller modulated pressure cylinder; 10, driving wheel carrying roller; 11, the second cylinder piston-rod displacement sensor; 12, second cylinder; 13, the second pressure roller modulated pressure cylinder; 14, the 3rd limit switch; 15, second opto-electronic pickup; 16, hydraulic actuating cylinder; 17, hydraulic actuating cylinder displacement pickup; 18, flower wheel; 19, steel band; 20, driving wheel; 21, second limit switch; 22, the 4th limit switch.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As shown in Figure 1 and Figure 2, the utility model comprises driving wheel 20, flower wheel 18, steel band 19, the first air cylinder displacement pickup 3, first cylinder 4, the second air cylinder displacement pickup 11, second cylinder 12, pressure roller 8, the first pressure roller modulated pressure cylinder 9, the second pressure roller modulated pressure cylinder 13, first displacement pickup 6, second displacement pickup 7, hydraulic actuating cylinder 16 and hydraulic actuating cylinder displacement pickup 17; Driving wheel 20 is connected by steel band 19 with flower wheel 18, wherein driving wheel 20 1 end B end is fixing, other end C end is fixing by hydraulic actuating cylinder 16, flower wheel 18 1 end A end, other end D end are fixing by first cylinder 4 and second cylinder 12 respectively, and steel band 19 predetermincd tensions between driving wheel 20 and the flower wheel 18 are regulated by first cylinder 4 and second cylinder 12; Steel band 19 bottoms are provided with driving wheel carrying roller 10 respectively, flower wheel carrying roller 5 supports the steel band bottom, at steel band 19 bottom upsides pressure roller 8 are set between driving wheel carrying roller and the flower wheel carrying roller; Near flower wheel 18 steel bands two side bottoms first limit switch 2, second limit switch 21 are set respectively, near top, driving wheel 20 both sides the 3rd limit switch 14, the 4th limit switch 22 are set respectively, each limit switch is connected with annunciator; Flower wheel 18 is provided with first opto-electronic pickup 1 near second cylinder, 12 side bottoms, and driving wheel 20 is provided with second opto-electronic pickup 15 near hydraulic actuating cylinder 16 side roof parts, detects steel band 19 running deviation values respectively; First opto-electronic pickup 1, second opto-electronic pickup 15, the first cylinder piston-rod displacement sensor 3, the second cylinder piston-rod displacement sensor 11, first displacement pickup 6, second displacement pickup 7, hydraulic actuating cylinder displacement pickup 17 are connected with PLC respectively with the limit switch annunciator, and PLC is connected with host computer by data line.
As shown in Figure 3, be control block diagram of the present utility model.In conjunction with Fig. 1, deviation correction mechanism of the present utility model comprises the correction of flower wheel 18 ends and driving wheel 20 ends correction two parts.Form steel band 19 tensile force control setups by first cylinder 4 and second cylinder 12, according to the allowable stress range of steel band 19 and the new oldState of steel band 19, manual regulation Pneumatic precision reducing valve is set the operation pressure of air-actuator, when variation of ambient temperature or high-temperature material influence, steel band 19 length will change along its transmission direction, first cylinder, 4 piston rods and second cylinder, 12 piston rod position guarantee flower wheel 18 and steel band 19 uniform contact along with this is with the variation of 19 length directions, and are real
Existing steel band tensile force is constant.
The correction of flower wheel end: the position of flower wheel 18 end steel bands 19 is detected by first opto-electronic pickup 1, the position of the first pressure roller modulated pressure cylinder 9, the second pressure roller modulated pressure cylinder 13 is detected by first displacement pickup 6 and second displacement pickup 7 respectively, the position of first cylinder 4 and second cylinder 12 is detected by the first cylinder piston-rod displacement sensor 3 and the second cylinder piston-rod displacement sensor 11 respectively, and all detection signals all export PLC to.Steel band 19 vertical central plane with divide flower wheel 19 vertical central plane equally when overlapping, first opto-electronic pickup, 1 output signal is 12mA; When the output area deviation was in ± 2mA, the first pressure roller modulated pressure cylinder 9, the initial stroke of second pressure roller modulated pressure cylinder 13 piston rods were zero.The first cylinder piston-rod displacement sensor 3 and the second cylinder piston-rod displacement sensor 11 poor is steel band 19AB side length and CD side length difference Δ L 1When first opto-electronic pickup 1 detects steel band 19 to first cylinder, 4 sideslips, its running deviation value is that Δ L2 and output signal are greater than 12mA, when increasing to 14mA gradually, the PLC program is carried out computing to first opto-electronic pickup, 1 signal and second displacement pickup, 7 signals, and export 12~20mA to the, three servo proportion amplifiers, the 3rd servo proportion drives the second pressure roller modulated pressure cylinder 13 and increases the piston rod stroke according to the running deviation value ratio, when first photoelectric displacement sensor, 1 output signal equates with second displacement pickup, 7 signals, PLC output 12mA to the three servo proportion amplifiers, the second pressure roller modulated pressure cylinder 13 keeps, when steel band 19 running deviation values reach first opto-electronic pickup, 1 end position, PLC output 20mA to the three servo proportion amplifiers, the 3rd servo proportion drives the second pressure roller modulated pressure cylinder, 13 piston rod strokes and reaches maxim; When the steel band running deviation value increased and contacts second limit switch, the second limit switch annunciator just sent an on-off signal input PLC as the position alerting signal.Otherwise, if steel band 19 is when second cylinder, 12 side sideslips, first opto-electronic pickup, 1 output signal will be less than 12mA, when reducing at least 10mA gradually, first opto-electronic pickup, 1 signal and second displacement pickup, 7 signals are carried out computing and export 4~12mA to the, three servo proportion amplifiers, the second pressure roller modulated pressure cylinder 13 reduces its piston rod stroke according to the running deviation value ratio, is reduced to zero until the piston rod stroke.The PLC program is carried out computing and is exported 12~20mA to the second servo proportion amplifier first opto-electronic pickup, 1 signal and first displacement pickup, 6 signals, the first pressure roller modulated pressure cylinder 9 increases the piston rod stroke according to the running deviation value ratio, when first opto-electronic pickup, 1 signal equates with first displacement pickup, 6 signals, PLC output 12mA to the second servo proportion amplifier, the first pressure roller modulated pressure cylinder 9 keeps, when steel band 19 running deviation values reach the end position of first opto-electronic pickup 1, PLC output 20mA to the second servo proportion amplifier, second servo proportion drives the first pressure roller modulated pressure cylinder, 9 piston rod strokes and reaches maxim, when the steel band running deviation value increased and contacts first limit switch, the first limit switch annunciator just sent an on-off signal input PLC as the position alerting signal.
The correction of driving wheel end: the position of driving wheel 20 steel bands 19 is detected by second opto-electronic pickup 15, and the position of hydraulic actuating cylinder 16 is detected by hydraulic actuating cylinder displacement pickup 17, and all displacement transducer signals all export PLC to; Steel band 19 vertical central plane with divide driving wheel 20 vertical central plane equally when overlapping, second opto-electronic pickup 15 is output signal 12mA respectively, when output area deviation during about+2mA, hydraulic actuating cylinder 16 is positioned at midstroke; Steel band 19 is when the B of driving wheel 20 side sideslip, second opto-electronic pickup, 15 output signals are less than 12mA, when being decreased to 10mA gradually, the PLC program is carried out computing to second opto-electronic pickup, 15 signals and hydraulic actuating cylinder displacement pickup 17 signals, and export 4~12mA to the first servo ratio amplifier, first servo proportion drives hydraulic actuating cylinder 16 and reduces the piston rod stroke according to the running deviation value ratio, when second opto-electronic pickup, 15 output signals equate with hydraulic actuating cylinder displacement pickup 17 output signals, PLC output 12mA to the first servo proportion amplifier, hydraulic actuating cylinder 16 positions will keep, when steel band 19 running deviation values reach the end position of second opto-electronic pickup 15, output signal 4mA to PLC, hydraulic actuating cylinder 16 piston rod strokes are decreased to zero; When the steel band running deviation value increased and contacts the 4th limit switch, the 4th limit switch annunciator just sent an on-off signal input PLC as the position alerting signal.Otherwise, if steel band 19 is when the C of driving wheel 20 side sideslip, second opto-electronic pickup, 15 output signals will be greater than 12mA, when increasing to 14mA gradually, the PLC program is carried out computing to second opto-electronic pickup, 15 signals and hydraulic actuating cylinder displacement pickup 17 signals, and export 12~20mA to the first servo proportion amplifier, the first servo proportion amplifier drives hydraulic actuating cylinder 16 and increases its piston rod stroke according to the sideslip ratio, when second opto-electronic pickup, 15 output signals equate with hydraulic actuating cylinder displacement pickup 17 output signals, PLC output 12mA to the first servo proportion amplifier, hydraulic actuating cylinder 16 positions will keep, when steel band 19 running deviation values reach the end position of second opto-electronic pickup 15, PLC output 20mA to the first servo proportion amplifier, hydraulic actuating cylinder 16 piston rods reach the stroke maxim; When the steel band running deviation value increased and contacts the 3rd limit switch, the 3rd limit switch annunciator just sent an on-off signal input PLC as the position alerting signal.
In flower wheel end and the driving wheel end correction process, all detected signals all transfer to PLC, PLC carries out A/D conversion, computing, D/A conversion to analog signal, exporting corresponding servo proportion amplifier and PLC to can communicate by letter with host computer, realizes the condition monitoring of steel band operation by host computer.

Claims (3)

1. the remote high-temperature material cooling forming machine steel band deviation-rectifying system of carrying is characterized in that: comprise driving wheel (20), flower wheel (18), steel band (19), the first air cylinder displacement pickup (3), first cylinder (4), the second air cylinder displacement pickup (11), second cylinder (12), pressure roller (8), the first pressure roller modulated pressure cylinder (9), the second pressure roller modulated pressure cylinder (13), first displacement pickup (6), second displacement pickup (7), hydraulic actuating cylinder (16) and hydraulic actuating cylinder displacement pickup (17); Driving wheel (20) is connected by steel band (19) with flower wheel (18), wherein driving wheel (20) one end B end is fixing, other end C end is fixing by hydraulic actuating cylinder (16), flower wheel (18) one end A end, other end D end are fixing by first cylinder (4) and second cylinder (12) respectively, and steel band (19) predetermincd tension between driving wheel (20) and the flower wheel (18) is regulated by first cylinder (4) and second cylinder (12); Steel band (19) bottom is provided with driving wheel carrying roller (10) respectively, flower wheel carrying roller (5) supports the steel band bottom, at steel band (19) bottom upside pressure roller (8) is set between driving wheel carrying roller and the flower wheel carrying roller; Near flower wheel (18) steel band two side bottoms first limit switch (2), second limit switch (21) are set respectively, near driving wheel (20) top, both sides the 3rd limit switch (14), the 4th limit switch (22) are set respectively, each limit switch is connected with annunciator; Flower wheel (18) is provided with first opto-electronic pickup (1) near second cylinder (12) side bottom, and driving wheel (20) is provided with second opto-electronic pickup (15) near hydraulic actuating cylinder (16) side roof part, detects steel band (19) running deviation value respectively; First opto-electronic pickup (1), second opto-electronic pickup (15), the first cylinder piston-rod displacement sensor (3), the second cylinder piston-rod displacement sensor (11), first displacement pickup (6), second displacement pickup (7), hydraulic actuating cylinder displacement pickup (17) are connected with PLC respectively with the limit switch annunciator, and PLC is connected with host computer by data line.
2. a kind of remote conveying high-temperature material cooling forming machine steel band deviation-rectifying system according to claim 1, described driving wheel carrying roller (10) and flower wheel carrying roller (5) both at a distance of 2~4m, pressure roller (8) is positioned in the middle of driving wheel carrying roller and the flower wheel carrying roller, and the driving wheel carrying roller is apart from driving wheel (20) 5~6m.
3. a kind of remote conveying high-temperature material cooling forming machine steel band deviation-rectifying system according to claim 1, described first opto-electronic pickup (1), second opto-electronic pickup (15), the first air cylinder displacement pickup (3), the second air cylinder displacement pickup (11), first displacement pickup (6), second displacement pickup (7) output signal range are 4~20mA.
CN2010206206791U 2010-11-19 2010-11-19 Cooling forming machine steel band rectification system for long-distance conveying of high temperature materials Expired - Lifetime CN202063530U (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102060174A (en) * 2010-11-19 2011-05-18 杭州富如德科技有限公司 Steel belt deviation correction system of cooling forming machine for remote transportation of high-temperature material
CN103213408A (en) * 2013-05-15 2013-07-24 济南优诺思喷印设备有限公司 Tension-adjustable rubber covered roller conveyer
CN103420122A (en) * 2013-08-22 2013-12-04 山西煤矿机械制造有限责任公司 Belt deviation sensor
CN103449141A (en) * 2013-09-05 2013-12-18 鞍钢集团矿业公司 Belt deviation intelligent correcting system and correcting method for belt conveyor
CN103910183A (en) * 2014-04-10 2014-07-09 安徽中科光电色选机械有限公司 Dynamic correcting crawler
CN104355081A (en) * 2014-10-24 2015-02-18 河北工程大学 Mineral conveyor
CN104973395A (en) * 2015-07-08 2015-10-14 山西潞安集团余吾煤业有限责任公司 Conveyer belt offset-adjusting tensioning movable trolley for belt conveyor
CN106429338A (en) * 2016-11-25 2017-02-22 嘉兴亿豪新材料有限公司 Aluminum plate conveying device with deviation correcting function
CN110834916A (en) * 2019-11-29 2020-02-25 安徽江淮汽车集团股份有限公司 Transmission device and adjusting method thereof
CN110877801A (en) * 2019-12-07 2020-03-13 山东大学 Adjustable automatic deviation rectifying system and method for aluminum sulfate crystallization production line
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102060174A (en) * 2010-11-19 2011-05-18 杭州富如德科技有限公司 Steel belt deviation correction system of cooling forming machine for remote transportation of high-temperature material
CN103213408A (en) * 2013-05-15 2013-07-24 济南优诺思喷印设备有限公司 Tension-adjustable rubber covered roller conveyer
CN103420122B (en) * 2013-08-22 2016-08-31 山西煤矿机械制造股份有限公司 A kind of belt deviation sensor
CN103420122A (en) * 2013-08-22 2013-12-04 山西煤矿机械制造有限责任公司 Belt deviation sensor
CN103449141A (en) * 2013-09-05 2013-12-18 鞍钢集团矿业公司 Belt deviation intelligent correcting system and correcting method for belt conveyor
CN103910183A (en) * 2014-04-10 2014-07-09 安徽中科光电色选机械有限公司 Dynamic correcting crawler
CN104355081A (en) * 2014-10-24 2015-02-18 河北工程大学 Mineral conveyor
CN104973395A (en) * 2015-07-08 2015-10-14 山西潞安集团余吾煤业有限责任公司 Conveyer belt offset-adjusting tensioning movable trolley for belt conveyor
CN104973395B (en) * 2015-07-08 2017-03-01 山西潞安集团余吾煤业有限责任公司 Belt of belt conveyor tuningout tensioning is moved about dolly
CN106429338A (en) * 2016-11-25 2017-02-22 嘉兴亿豪新材料有限公司 Aluminum plate conveying device with deviation correcting function
CN110834916A (en) * 2019-11-29 2020-02-25 安徽江淮汽车集团股份有限公司 Transmission device and adjusting method thereof
CN110877801A (en) * 2019-12-07 2020-03-13 山东大学 Adjustable automatic deviation rectifying system and method for aluminum sulfate crystallization production line
IT202100007355A1 (en) * 2021-03-25 2022-09-25 Scm Group Spa MACHINE WITH IMPROVED CONVEYOR SYSTEM.
EP4067268A1 (en) * 2021-03-25 2022-10-05 SCM Group S.p.A. Machine with improved transport system
CN113844913A (en) * 2021-08-27 2021-12-28 中国人民解放军92228部队 Wharf material conveying device

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Granted publication date: 20111207

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