CN104121781A - Heating kiln cover lifting control system - Google Patents
Heating kiln cover lifting control system Download PDFInfo
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- CN104121781A CN104121781A CN201410388088.9A CN201410388088A CN104121781A CN 104121781 A CN104121781 A CN 104121781A CN 201410388088 A CN201410388088 A CN 201410388088A CN 104121781 A CN104121781 A CN 104121781A
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- eccentric wheel
- stop pin
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- drive shaft
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- 230000001154 acute effect Effects 0.000 claims description 25
- 230000000694 effects Effects 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 230000000994 depressogenic effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims description 3
- 230000001052 transient effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
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Abstract
A heating kiln cover lifting control system makes a heating kiln cover ascend and descend so that a kiln can be opened and closed. The system comprises a kiln cover body (9), a cam lifting mechanism, a controller, an electromagnetic attraction device driving circuit, a motor driving circuit and a driving rotary shaft motor. The cam lifting mechanism comprises a rack (1), an eccentric wheel (2), a locking pin (3), an elastic pushing pin (4) and a limiting post (5). The eccentric wheel (2) is round as a whole and eccentrically provided with a driving rotary shaft (21). When the circle center of the round eccentric wheel is located above the driving rotary shaft (21), and the circle center of the round eccentric wheel and the driving rotary shaft are located on the same vertical line, the kiln cover body (9) is lifted to a high place by the eccentric wheel (2). A locking hole (23) sunken inward in the radial direction is further formed in the circumferential surface of the eccentric wheel (2), and the locking hole (23) is used for being matched with the upper end of the locking pin (3).
Description
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Technical field
The application relates to a kind of kiln bell, is specially a kind of heating kiln furnace cover lifting control system.
Background technology
Kiln is the equipment in order to burnt product being built into refractory material, is the indispensable facility in pottery art moulding.Mankind's pottery of up to ten thousand years burns makes history, has accumulated abundant kiln pattern and the experience made.From the ground of primitive society outdoor burnt in a heap, digging pit to build burns steamed bun shape and rises flame circular kiln, half downdraf horse shoe flame furnace, half way up the mountain dragon kiln, oval kiln, then to Indoor Air kiln, electrical kiln now, kiln science and technology is in continuous improvement.
And due to the high-temperature behavior of kiln, its bell requires can be heat insulation, its weight is often heavier, and in use, needs again bell to open to check situation in stove.
The higher pair mechanism that cam mechanism is comprised of cam, driven member and three basic building blocks of frame.Cam is a member with curved profile or groove, is generally driving link, makes constant speed gyration or linear reciprocating motion.
Contact with cam contour, and the member of transferring power and the predetermined characteristics of motion of realization, generally do linear reciprocating motion or swing, be called driven member, or by the bell body of lifting.
The basic characteristics of cam mechanism in application are to make driven member to obtain the more complicated characteristics of motion.Because the characteristics of motion of driven member depends on cam profile curve, so in when application, as long as it is just passable to design the contour curve of cam according to the characteristics of motion of driven member.
Cam mechanism is widely used in various automations, instrument and maneuver control device.Why cam mechanism obtains is applied so widely, be mainly can realize the motion requirement of various complexity due to cam mechanism, and also simple in structure, compact.Cam lifting mechanism has advantages of that operation is simple and reliable, in some need to control the device of lifting, is widely used.
Due to the higher pair performance of cam, often need its position to lock.And motion between the out of phase of cam conversion often needs to apply active drive power.Apply continually active drive power, be disadvantageous for driving mechanism.And under situation for driving power device disappearance or fault, in a kind of phase place of cam, to the transfer of another phase place difficulty that becomes, arrange infeasible.
Summary of the invention
The invention provides a kind of heating kiln furnace cover lifting control system, it is when being shifted to another cam phase by a kind of cam phase, and without restarting or applying active drive power, and the phase position of cam is stable, stress equalization.
According to the present invention, a kind of heating kiln furnace cover lifting control system, thereby it can make heating kiln furnace cover lifting realize the unlatching and closure of kiln, described system comprises: bell body, cam lifting mechanism, controller, electromagnetic attraction device drive circuit, motor-drive circuit, and drive shaft motor, described cam lifting mechanism comprises frame, eccentric wheel, stop pin, resiliency urged pin and limited post, described eccentric shape is as general as round-shaped, and be provided with prejudicially drive shaft, when the described round-shaped center of circle is positioned at the top of described drive shaft and is related to its formation is vertical, described eccentric wheel rises to a high position by described bell body, on described eccentric periphery, be also provided with radially inside recessed lock hole, lock hole is for coordinating with the upper end of stop pin, when described eccentric wheel rises to a high position by described bell body, lock hole be positioned at described drive shaft below and with the vertical relation of its formation, the lower end of stop pin is connected with stop pin spring, under the pressure effect of the top of stop pin spring, thereby stop pin can stretch into described lock hole when described eccentric wheel rises to a high position by described bell body, eccentric wheel is locked, the lower end of stop pin also couples with latch-release pull-down member, and latch-release pull-down member is for by the drop-down and contact locking of stop pin,
Eccentric wheel is also provided with acute angle shape part, when at described eccentric wheel, described bell body being risen under high-order state, down, and left surface is vertical direction to described acute angle shape part tip, right flank and described eccentric outer circumference surface are tangent, and intersect acute angle with left surface; The described left surface of acute angle shape part is the drive surface engaging for the right-hand member with resiliency urged pin, and described right flank is for carrying the loading end of described bell body when described eccentric wheel is down to low level by described bell body;
The right-hand member of resiliency urged pin is rounded shape, and left end is connected with promotion spring, and the rounded shape of described right-hand member is for engaging with drive surface, the position, middle part of stop pin is fixedly installed voussoir, and the upper side of described voussoir is wedge shape inclined-plane, and described wedge shape inclined-plane is parallel to the axis direction of described drive shaft, and acutangulates with horizontal plane, resiliency urged pin is near its right-hand member, between its right-hand member and left end, be provided with the inclined-plane notch inserting for described voussoir, the left surface of described inclined-plane notch is the engagement ramp for coordinating with described wedge shape inclined-plane, when the lock-out state of stop pin in stretching into described lock hole, stop pin coordinates with the engagement ramp of resiliency urged pin by described wedge shape inclined-plane and resiliency urged pin is pressed to left side against promoting spring simultaneously, thereby it is moved right and is locked, now, between the drive surface of the right-hand member of resiliency urged pin and acute angle shape part, there is gap and do not engage,
When latch-release pull-down member applies transient state effect to stop pin, and when it is drop-down, the upper end of stop pin departs from from eccentric lock hole, meanwhile, voussoir exits and wedge shape inclined-plane and engagement ramp are disengaged from inclined-plane notch, thus, the right-hand member of resiliency urged pin engages the described drive surface of acute angle shape part, eccentric wheel is rotated counterclockwise, and thus, bell body is down to low level gradually; Described limited post is connected to frame by spacing flexible member, and when eccentric wheel rotates counterclockwise and makes bell body be down to low level, the loading end of acute angle shape part becomes horizontal direction, thereby and the outer end of loading end contact with limited post carry out spacing;
When needs make bell body rise to a high position from described low level, drive shaft drives eccentric wheel to clockwise rotate, in this process, slide along eccentric circumferential outer surface in the upper end of stop pin under the pressure effect of the top of its stop pin spring, and the drive surface of acute angle shape part can turn to the right-hand member of resiliency urged pin and be combined, thereby gradually it is pushed up to pressure to the left; When the upper end of stop pin starts to fall into lock hole, stop pin is depressed integral body on the top of stop pin spring and is moved straight up, now, thereby voussoir can insert the inclined-plane notch of resiliency urged pin, resiliency urged pin is further promoted left; Realize thus bell body in high-order locking;
Described latch-release pull-down member is electromagnetic attraction device; Stop pin is irony; Described drive shaft motor connects with drive shaft, for driving the rotation of described drive shaft;
Described controller is controlled the attraction behavior of electromagnetic attraction device to stop pin by electromagnetic attraction device drive circuit, controls the rotation of described drive shaft motor by motor-drive circuit.
By such scheme, due at elevating mechanism, bell body is risen to by low level high-order in, the spring members of telescoping mechanism has been accumulated to a large amount of potential energy; When needs are changed to low level by a high position, utilize the elastic potential energy drive cam put aside to rotate to the direction of expectation, utilize gravitional force afterwards and be down to voluntarily low level.And, by locking mechanism, in locking cam upper level position, also described elastic telescopic mechanism is locked, avoid elastic force to be applied directly to cam mechanism, therefore avoided affecting cam mechanism in high-order stability.Utilize acute angle shape part, as when coordinating with described telescoping mechanism drive surface contact, also when low level, be used as loading end, the crank of having avoided the skew with bell body contact position that the eccentric setting of cam mechanism causes to cause.By limiting component, both guaranteed the horizontal position after cam rotates, played again the effect of stable low-end trim.
Accompanying drawing explanation
Fig. 1 is the diagram of cam mechanism when bell body is risen to a high position;
Fig. 2 is the cam mechanism of Fig. 1 diagram when bell body is down to low level;
Fig. 3 is the structural front view of resiliency urged pin;
Fig. 4 is the illustrated upward view of Fig. 3;
Fig. 5 is the structure chart of control system.
The specific embodiment
Below in conjunction with accompanying drawing, by instantiation, the present invention is described in detail.
A kind of heating kiln furnace cover lifting control system, thereby it can make heating kiln furnace cover lifting realize the unlatching and closure of kiln, described system comprises: bell body 9, cam lifting mechanism, controller, electromagnetic attraction device drive circuit, motor-drive circuit, and drive shaft motor, described cam lifting mechanism comprises frame 1, eccentric wheel 2, stop pin 3, resiliency urged pin 4 and limited post 5, the shape of described eccentric wheel 2 is as general as round-shaped, and be provided with prejudicially drive shaft 21, when the described round-shaped center of circle is positioned at the top of described drive shaft 21 and is related to its formation is vertical, described eccentric wheel 2 rises to a high position by described bell body 9, on the periphery of described eccentric wheel 2, be also provided with radially inside recessed lock hole 23, lock hole 23 is for coordinating with the upper end of stop pin 3, when described eccentric wheel 2 rises to a high position by described bell body 9, lock hole 23 be positioned at described drive shaft 21 below and with the vertical relation of its formation, the lower end of stop pin 3 is connected with stop pin spring 32, under the pressure effect of the top of stop pin spring 32, thereby stop pin 3 can stretch into described lock hole 23 when described eccentric wheel 2 rises to a high position by described bell body 9, eccentric wheel 2 is locked, the lower end of stop pin 3 also couples with latch-release pull-down member 33, and latch-release pull-down member 33 is for by the drop-down and contact locking of stop pin 3,
Eccentric wheel 2 is also provided with acute angle shape part 22, when at described eccentric wheel 2, described bell body 9 being risen under high-order state, down, and left surface is vertical direction to described acute angle shape part 22 tips, the outer circumference surface of right flank and described eccentric wheel 2 is tangent, and intersects acute angle with left surface; The described left surface of acute angle shape part 22 is the drive surface that engage for the right-hand member with resiliency urged pin 4, and described right flank is for carrying the loading end of described bell body 9 when described eccentric wheel 2 is down to low level by described bell body 9;
The right-hand member of resiliency urged pin 4 is rounded shape, and left end is connected with promotion spring 41, and the rounded shape of described right-hand member is for engaging with drive surface, the position, middle part of stop pin 3 is fixedly installed voussoir 31, and the upper side of described voussoir 31 is wedge shape inclined-plane 311, and described wedge shape inclined-plane 311 is parallel to the axis direction of described drive shaft 21, and acutangulates with horizontal plane, resiliency urged pin 4 is near its right-hand member, between its right-hand member and left end, be provided with the inclined-plane notch 43 inserting for described voussoir 31, the left surface of described inclined-plane notch 43 is the engagement ramp 44 for coordinating with described wedge shape inclined-plane 311, when the lock-out state of stop pin 3 in stretching into described lock hole 23, stop pin 3 coordinates with the engagement ramp 44 of resiliency urged pin 4 by described wedge shape inclined-plane 311 and resiliency urged pin 4 is pressed to left side against promoting spring 41 simultaneously, thereby it is moved right and is locked, now, between the drive surface of the right-hand member of resiliency urged pin 4 and acute angle shape part 22, there is gap and do not engage,
When 33 pairs of stop pins 3 of latch-release pull-down member apply transient state effect, and when it is drop-down, the upper end of stop pin 3 departs from from the lock hole 23 of eccentric wheel 2, meanwhile, voussoir 31 exits and wedge shape inclined-plane 311 is disengaged with engagement ramp 44 from inclined-plane notch 43, thus, the right-hand member of resiliency urged pin 4 engages the described drive surface of acute angle shape part 22, eccentric wheel 2 is rotated counterclockwise, and thus, bell body 9 is down to low level gradually; Described limited post 5 is connected to frame 1 by spacing flexible member 51, and when eccentric wheel 2 rotates counterclockwise and makes bell body 9 be down to low level, the loading end of acute angle shape part 22 becomes horizontal direction, thereby and the outer end of loading end contact with limited post 5 carry out spacing;
When needs make bell body 9 rise to a high position from described low level, drive shaft 21 drives eccentric wheel 2 to clockwise rotate, in this process, the upper end of stop pin 3 circumferential outer surface along eccentric wheel 2 under the pressure effect of the top of its stop pin spring 32 slides, and the drive surface of acute angle shape part 22 can turn to the right-hand member of resiliency urged pin 4 and be combined, thereby gradually it is pushed up to pressure to the left; When the upper end of stop pin 3 starts to fall into lock hole 23, stop pin 3 is depressed integral body on the top of stop pin spring 32 and is moved straight up, now, thereby voussoir 31 can insert the inclined-plane notch 43 of resiliency urged pin 4, resiliency urged pin 4 is further promoted left; Realize thus bell body 9 in high-order locking;
Described latch-release pull-down member 33 is electromagnetic attraction device; Stop pin 3 is irony; Described drive shaft motor connects with drive shaft 21, for driving the rotation of described drive shaft 21;
Described controller is controlled the attraction behavior of electromagnetic attraction device to stop pin 3 by electromagnetic attraction device drive circuit, controls the rotation of described drive shaft motor by motor-drive circuit.
Wherein, the face relative with engagement ramp 44 of the inclined-plane notch 43 of resiliency urged pin 4 is vertical wall 42, thereby it separates at engagement ramp 44 and vertically between wall 42, form described inclined-plane notch 43 with engagement ramp 44 intervals.
Wherein, latch-release pull-down member 33 is manual pulling mechanism.
By with upper type, those skilled in the art can make various changes according to mode of operation within the scope of the invention.
Claims (3)
1. a heating kiln furnace cover lifting control system, thereby it can make heating kiln furnace cover lifting realize the unlatching and closure of kiln, described system comprises: bell body (9), cam lifting mechanism, controller, electromagnetic attraction device drive circuit, motor-drive circuit, and drive shaft motor, described cam lifting mechanism comprises frame (1), eccentric wheel (2), stop pin (3), resiliency urged pin (4) and limited post (5), the shape of described eccentric wheel (2) is as general as round-shaped, and be provided with prejudicially drive shaft (21), when the described round-shaped center of circle is positioned at the top of described drive shaft (21) and is related to its formation is vertical, described eccentric wheel (2) rises to a high position by described bell body (9), on the periphery of described eccentric wheel (2), be also provided with radially inside recessed lock hole (23), lock hole (23) is for coordinating with the upper end of stop pin (3), when described eccentric wheel (2) rises to a high position by described bell body (9), lock hole (23) be positioned at described drive shaft (21) below and with the vertical relation of its formation, the lower end of stop pin (3) is connected with stop pin spring (32), under the pressure effect of the top of stop pin spring (32), stop pin (3) can stretch into described lock hole (23) thereby eccentric wheel (2) is locked when described eccentric wheel (2) rises to a high position by described bell body (9), the lower end of stop pin (3) also couples with latch-release pull-down member (33), and latch-release pull-down member (33) is for by the drop-down and contact locking of stop pin (3),
Eccentric wheel (2) is also provided with acute angle shape part (22), when at described eccentric wheel (2), described bell body (9) being risen under high-order state, described acute angle shape part (22) tip down, and left surface is vertical direction, the outer circumference surface of right flank and described eccentric wheel (2) is tangent, and intersects acute angle with left surface; The described left surface of acute angle shape part (22) is the drive surface engaging for the right-hand member with resiliency urged pin (4), and described right flank is for carrying the loading end of described bell body (9) when described eccentric wheel (2) is down to low level by described bell body (9);
The right-hand member of resiliency urged pin (4) is rounded shape, and left end is connected with promotion spring (41), and the rounded shape of described right-hand member is for engaging with drive surface, the position, middle part of stop pin (3) is fixedly installed voussoir (31), and the upper side of described voussoir (31) is wedge shape inclined-plane (311), and described wedge shape inclined-plane (311) is parallel to the axis direction of described drive shaft (21), and acutangulates with horizontal plane, resiliency urged pin (4) is near its right-hand member, between its right-hand member and left end, be provided with the inclined-plane notch (43) inserting for described voussoir (31), the left surface of described inclined-plane notch (43) is the engagement ramp (44) for coordinating with described wedge shape inclined-plane (311), when the lock-out state of stop pin (3) in stretching into described lock hole (23), stop pin (3) coordinates with the engagement ramp (44) of resiliency urged pin (4) by described wedge shape inclined-plane (311) and resiliency urged pin (4) is pressed to left side against promoting spring (41) simultaneously, thereby it is moved right and is locked, now, between the right-hand member of resiliency urged pin (4) and the drive surface of acute angle shape part (22), there is gap and do not engage,
When latch-release pull-down member (33) applies transient state effect to stop pin (3), and when it is drop-down, the upper end of stop pin (3) departs from from the lock hole (23) of eccentric wheel (2), simultaneously, voussoir (31) exits and wedge shape inclined-plane (311) and engagement ramp (44) are disengaged from inclined-plane notch (43), thus, the right-hand member of resiliency urged pin (4) engages the described drive surface of acute angle shape part (22), eccentric wheel (2) is rotated counterclockwise, thus, bell body (9) is down to low level gradually; Described limited post (5) is connected to frame (1) by spacing flexible member (51), when eccentric wheel (2) rotates counterclockwise and makes bell body (9) be down to low level, the loading end of acute angle shape part (22) becomes horizontal direction, and the outer end of loading end with limited post (5) thus contact carry out spacing;
When needs make bell body (9) rise to a high position from described low level, drive shaft (21) drives eccentric wheel (2) to clockwise rotate, in this process, the upper end of stop pin (3) circumferential outer surface along eccentric wheel (2) under the pressure effect of the top of its stop pin spring (32) slides, and the drive surface of acute angle shape part (22) can turn to the right-hand member of resiliency urged pin (4) and be combined, thereby gradually it is pushed up to pressure to the left; When the upper end of stop pin (3) starts to fall into lock hole (23), stop pin (3) is depressed integral body on the top of stop pin spring (32) and is moved straight up, now, voussoir (31) can insert the inclined-plane notch (43) of resiliency urged pin (4) thereby resiliency urged pin (4) is further promoted left; Realize thus bell body (9) in high-order locking;
Described latch-release pull-down member (33) is electromagnetic attraction device; Stop pin (3) is irony; Described drive shaft motor connects with drive shaft (21), for driving the rotation of described drive shaft (21);
Described controller is controlled the attraction behavior of electromagnetic attraction device to stop pin (3) by electromagnetic attraction device drive circuit, controls the rotation of described drive shaft motor by motor-drive circuit.
2. cam as claimed in claim 1, wherein, the face relative with engagement ramp (44) of the inclined-plane notch (43) of resiliency urged pin (4) is vertical wall (42), and it separates at engagement ramp (44) and vertically between wall (42), form described inclined-plane notch (43) with engagement ramp (44) thereby interval.
3. cam as claimed in claim 1, wherein, latch-release pull-down member (33) is manual pulling mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410388088.9A CN104121781B (en) | 2014-08-08 | 2014-08-08 | Heating kiln cover lifting control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410388088.9A CN104121781B (en) | 2014-08-08 | 2014-08-08 | Heating kiln cover lifting control system |
Publications (2)
| Publication Number | Publication Date |
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| CN104121781A true CN104121781A (en) | 2014-10-29 |
| CN104121781B CN104121781B (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410388088.9A Expired - Fee Related CN104121781B (en) | 2014-08-08 | 2014-08-08 | Heating kiln cover lifting control system |
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| Country | Link |
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| CN (1) | CN104121781B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109811510A (en) * | 2017-11-21 | 2019-05-28 | 青岛海尔滚筒洗衣机有限公司 | A kind of gas permeable devices and washing machine of washing machine |
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| CN202705422U (en) * | 2012-08-07 | 2013-01-30 | 中冶东方工程技术有限公司 | Furnace lid position control device for soaking pit furnace lid opening machine |
| CN103101753A (en) * | 2012-11-15 | 2013-05-15 | 江苏天奇物流***工程股份有限公司 | Cam climbing mechanism |
| CN203375158U (en) * | 2013-06-19 | 2014-01-01 | 长沙瑞翔科技有限公司 | Cam-style lifting mechanism |
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2014
- 2014-08-08 CN CN201410388088.9A patent/CN104121781B/en not_active Expired - Fee Related
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| US3533575A (en) * | 1968-11-07 | 1970-10-13 | Breeze Corp | Intermittent level wind |
| CN1080370A (en) * | 1992-02-25 | 1994-01-05 | 努弗彼格诺工业机械及铸造有限公司 | Improved cam for revolving dobby |
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| CN109811510A (en) * | 2017-11-21 | 2019-05-28 | 青岛海尔滚筒洗衣机有限公司 | A kind of gas permeable devices and washing machine of washing machine |
| CN109811510B (en) * | 2017-11-21 | 2022-07-22 | 青岛海尔洗涤电器有限公司 | Ventilation device of washing machine and washing machine |
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| Publication number | Publication date |
|---|---|
| CN104121781B (en) | 2015-03-25 |
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Effective date of registration: 20190102 Address after: 238300 Wuwei County, Wuhu City, Anhui Province Patentee after: ANHUI YUCE CABLE QUALITY INSPECTION TECHNOLOGY Co.,Ltd. Address before: 238300 Wuwei County, Wuhu City, Anhui Province, Wucheng South New Town Patentee before: Anhui Special Cable Industry Technology Research Institute |
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Granted publication date: 20150325 Termination date: 20190808 |