CN102747670A - Vibration exciter vibrating mechanism of vibratory roller capable of adjusting eccentricity continuously - Google Patents
Vibration exciter vibrating mechanism of vibratory roller capable of adjusting eccentricity continuously Download PDFInfo
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- CN102747670A CN102747670A CN2012102359202A CN201210235920A CN102747670A CN 102747670 A CN102747670 A CN 102747670A CN 2012102359202 A CN2012102359202 A CN 2012102359202A CN 201210235920 A CN201210235920 A CN 201210235920A CN 102747670 A CN102747670 A CN 102747670A
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Abstract
The invention discloses a vibration exciter vibrating mechanism of a vibratory roller, which is capable of adjusting the eccentricity continuously. The vibration exciter vibrating mechanism mainly comprises a movable eccentric block, a fixed eccentric block, a vibrating shaft, a separator ring, a vibrating bearing, a vibrating bearing seat, a push-pull mechanism, a push-pull bearing, a push-pull bearing seat, a transmission threaded shaft, a vibrating motor mechanism and the like. The movable eccentric block and the fixed eccentric block are assembled together by the vibrating shaft and are installed inside the vibrating bearing seat namely a vibrating spoke board through the vibrating bearing; the transmission threaded shaft threads through inner holes of the movable eccentric block and the vibrating shaft; and one end of the transmission threaded shaft is connected with the vibrating motor mechanism while the other end is connected with the push-pull mechanism through the push-pull bearing and the push-pull bearing seat. The push-pull mechanism enables the transmission threaded shaft to move axially, so that the movable eccentric block and the fixed eccentric block can be separated and jointed and the joint eccentricity of the two eccentric blocks can be changed continuously.
Description
Technical field
The present invention relates to a kind of vibrator vibrating mechanism of vibratory roller, the particularly a kind of vibrator vibrating mechanism that can adjust the vibratory roller of eccentricity continuously belongs to the road building machinery field.
Technical background
The vibrator of the vibratory roller overwhelming majority adopts the just vibrating mechanism of two kinds of amplitudes both at home and abroad at present, and promptly the eccentricity of this vibrating mechanism has only big or small two states, and this vibrating mechanism is made up of vibrating shaft, fixed eccentric block, movable eccentric block and shelves pin; Main feature is: vibrating shaft is fixedly connected with fixed eccentric block, and movable eccentric block and vibrating shaft are slidingly connected, and the shelves pin is fixedly connected with fixed eccentric block; Its vibration is the rotating that relies on vibrating shaft; Make the eccentricity that closes of superimposed i.e. two eccentric blocks of fixed eccentric block and movable eccentric block produce high amplitude, or fixed eccentric block and the movable eccentric block eccentricity that closes of two eccentric blocks that is separated is promptly realized for minimum produces short arc, owing to the eccentricity of vibrator vibrating mechanism has only two grades can select for maximum; Can not adapt to all soil packings; Influenced the compaction capacity of vibratory roller, and when vibrator vibrating mechanism during, the movable eccentric block shelves pin that can clash at transition amplitude; Not only produce impact noise; Produce iron filings pollution lubricating oil, and possibly cause the fracture of shelves pin, thereby it is malfunctioning with vibration application life to shorten vibration bearing.
Summary of the invention
The purpose of this invention is to provide a kind of vibrator vibrating mechanism that can adjust the vibratory roller of eccentricity continuously; The eccentricity of this vibrating mechanism can be adjusted according to the actual condition needs; The direction of rotation of vibrating shaft can be constant; The eccentricity of vibrating mechanism does not have bump when changing, and adopts the road roller of vibrator vibrating mechanism provided by the invention can adapt to all soil packings.
The objective of the invention is to realize like this: in the vibrator vibrating mechanism, push-pull mechanism is set; Push-pull mechanism connects with the motion thread axle through the push-and-pull bearing; The motion thread axle is installed in the vibrating shaft; Motion thread axle and movable eccentric block and vibrating shaft that is fixed eccentric block adopt the screw thread pair engaged transmission; Drive the motion thread axle through push-pull mechanism and move as rectilinear direction and make movable eccentric block and fixed eccentric block around its axis of rotation do deciliter rotation, thus change activity eccentric block and fixed eccentric block close eccentricity.
A kind of vibrator vibrating mechanism that can adjust the vibratory roller of eccentricity continuously; It is characterized in that: comprise compositions such as movable eccentric block, fixed eccentric block, vibrating shaft, stripper loop, vibration bearing, vibrating shaft bearing, push-pull mechanism, push-and-pull bearing, push-pull shaft bearing, motion thread axle, vibrating motor mechanism; Movable eccentric block and fixed eccentric block fits together through vibrating shaft and be installed in the vibrating shaft bearing through vibration bearing promptly vibrates in the spoke version; In the endoporus of movable eccentric block and vibrating shaft, pass the motion thread axle; Be with two sections screw threads on the motion thread axle; First thread segment on the motion thread axle and second thread segment have at least one section to be screw pair, and an end of motion thread axle is connected with vibrating motor mechanism, and the other end is connected with push-pull mechanism through push-and-pull bearing, push-pull shaft bearing.
A kind of vibrator vibrating mechanism that can adjust the vibratory roller of eccentricity continuously; It is characterized in that: movable eccentric block is the eccentric block that has internal thread segment; Movable eccentric block is loaded into one-piece parts after adopting split processing; Between the split of movable eccentric block intermediate annular groove is arranged, fixed eccentric block is the eccentric block that has internal spline, is processed with erection loop with its axis of rotation; Movable eccentric block adapter ring groove width should be greater than fixed eccentric block erection loop wall thickness, the intermediate annular groove of the erection loop insertion activity eccentric block of fixed eccentric block during installation.
A kind of vibrator vibrating mechanism that can adjust the vibratory roller of eccentricity continuously; It is characterized in that: vibrating shaft band external splines; Pore area internal thread segment in it; Be assemblied on the vibrating shaft after movable eccentric block and the fixed eccentric block combination, vibrating shaft is assemblied on the vibration bearing, between movable eccentric block and vibration bearing, stripper loop is housed.
A kind of vibrator vibrating mechanism that can adjust the vibratory roller of eccentricity continuously is characterized in that: the motion thread axle has two sections external screw threads, and motion thread axle first thread segment and vibrating shaft internal thread segment match; Motion thread axle second thread segment and movable eccentric block internal thread segment match.
A kind of vibrator vibrating mechanism that can adjust the vibratory roller of eccentricity continuously is characterized in that: when movable eccentric block split was fabricated to dismantled and assembled structure, described fixed eccentric block can be fixedly connected or process same part with vibrating shaft.
A kind of vibrator vibrating mechanism that can adjust the vibratory roller of eccentricity continuously; It is characterized in that: it is spline that one of two sections external screw threads of said motion thread axle are set to straight-tooth, and it is spline that vibrating shaft internal thread segment that matches with it or movable eccentric block internal thread segment also are set to straight-tooth.
Description of drawings
Fig. 1 is the movable eccentric block exemplary block diagram of the preferred typical structure embodiment of a kind of vibrator of vibrating roller that can adjust eccentricity continuously provided by the invention.
Fig. 2 is the sectional view of Fig. 1.
Fig. 3 is the fixed eccentric block exemplary block diagram of the preferred typical structure embodiment of a kind of vibrator of vibrating roller that can adjust eccentricity continuously provided by the invention.
Fig. 4 is the sectional view of Fig. 3.
Fig. 5 is the vibrating shaft exemplary block diagram of the preferred typical structure embodiment of a kind of vibrator of vibrating roller that can adjust eccentricity continuously provided by the invention.
Fig. 6 be the preferred typical structure embodiment of a kind of vibrator of vibrating roller that can adjust eccentricity continuously provided by the invention ultimate limit state (eccentric block angle of departure β equal zero be movable eccentric block and fixed eccentric block close eccentricity for maximum) schematic diagram.
Fig. 7 is that Fig. 6 is at A
-The sectional view of A face.
Fig. 8 is the schematic diagram of the ultimate limit state (eccentric block angle of departure β maximum be movable eccentric block and fixed eccentric block close eccentricity for minimum) of the preferred typical structure embodiment of a kind of vibrator of vibrating roller that can adjust eccentricity continuously provided by the invention.
Fig. 9 is that Fig. 8 is at B
-The sectional view of B face.
Among the figure, 1-movable eccentric block; 2-fixed eccentric block; 3-vibrating shaft; 4-push-pull mechanism; 5-push-pull shaft bearing; 6-push-and-pull bearing; 7-motion thread axle; 8-vibrating motor mechanism; 9-vibration bearing; 10-vibrating shaft bearing; 11-stripper loop; S
1-movable eccentric block adapter ring groove width; S
2-fixed eccentric block erection loop wall thickness; L-movable eccentric block internal thread segment; K-vibrating shaft internal thread segment; M-motion thread axle first thread segment; N-motion thread axle second thread segment; β-eccentric block deciliter angle.
The specific embodiment
The structure principle chart that at present contrasts the preferred typical structure embodiment of a kind of vibrator of vibrating roller that can adjust eccentricity continuously provided by the invention is explained; Eccentric block in a kind of vibrator of vibrating roller that can adjust eccentricity continuously provided by the invention is the combined eccentricity piece; Fit together through vibrating shaft 3 and be installed in vibrating shaft bearing 10 by movable eccentric block 1 and fixed eccentric block 2 and promptly vibrate in the spoke version through vibration bearing 9; In the endoporus of movable eccentric block 1 and vibrating shaft 3, pass motion thread axle 7; One end of motion thread axle 7 is connected with vibrating motor mechanism 8, and the other end is connected through push-and-pull bearing 6, push-pull shaft bearing 5 and push-pull mechanism 4.
Movable eccentric block 1 is the eccentric block that has internal thread segment L; For being loaded into one-piece parts after the easily manufactured employing split processing; Between the split of movable eccentric block 1 intermediate annular groove is arranged; Fixed eccentric block 2 is the eccentric blocks that have internal spline, is processed with erection loop with its axis of rotation, movable eccentric block adapter ring groove width S
1Should be greater than fixed eccentric block erection loop wall thickness S
2, the intermediate annular groove of the erection loop insertion activity eccentric block 1 of fixed eccentric block 2, folding is freely between movable eccentric block 1 and the fixed eccentric block 2; Vibrating shaft 3 band external splines, pore area internal thread segment K in it, movable eccentric block 1 are assemblied on the vibrating shaft 3 after making up with fixed eccentric block 2; Vibrating shaft 3 is assemblied on the vibration bearing 9, between movable eccentric block 1 and vibration bearing 9, eseparation ring 11 is housed, and the external diameter of eseparation ring 11 and thickness require to decide according to the installation dimension of vibration bearing 9; Certainly; Stripper loop 11 also can be processed same part with movable eccentric block 1, and motion thread axle 7 has two sections external screw threads, and motion thread axle first thread segment M and vibrating shaft internal thread segment K match; Motion thread axle second thread segment N and movable eccentric block internal thread segment L match, and push-and-pull bearing 6 is housed on the motion thread axle 7, and push-and-pull bearing 6 is installed in the push-pull shaft bearing 5, and push-pull shaft bearing 5 is connected with push-pull mechanism 4.
The preferred typical structure embodiment of a kind of vibrator of vibrating roller that can adjust eccentricity continuously provided by the invention the course of work following: one, the eccentricity adjustment process of vibrator is: under Fig. 6, ultimate limit state shown in Figure 7; When push-pull mechanism 4 through push-pull shaft bearing 5, push-and-pull bearing 6 with motion thread axle 7 when vibrating motor mechanism 8 directions are passed, movable eccentric block 1 is made clockwise direction and is rotated; Fixed eccentric block 2 is done counterclockwise to rotate (like Fig. 8, shown in Figure 9; Be to stand in an end face of vibrating motor mechanism 8 to movable eccentric block 1 and fixed eccentric block 2 this moment; The motion thread axle first thread segment M is that left-handed, the motion thread axle second thread segment N is dextrorotation); Eccentric block deciliter angle β becomes big, and the eccentricity that closes of movable eccentric block 1 and fixed eccentric block 2 diminishes; When push-pull mechanism 4 deviated from the 8 directions passing of vibrating motor mechanism through push-pull shaft bearing 5, push-and-pull bearing 6 with motion thread axle 7, movable eccentric block 1 was done counterclockwise to rotate; Fixed eccentric block 2 is made clockwise direction and is rotated; An eccentric block deciliter angle β diminishes; The eccentricity that closes of movable eccentric block 1 and fixed eccentric block 2 becomes big; Two, the exciting process of vibrator is: vibrating motor mechanism 8 drives motion thread axle 7 and does rotation at a high speed, and motion thread axle 7 passes through motion thread axle second thread segment N and movable eccentric block internal thread segment L engagement and transmission activity eccentric block 1 and does to rotate at a high speed; Motion thread axle 7 is through the motion thread axle first thread segment M and vibrating shaft internal thread segment K engagement and the rotation at a high speed of vibrations axle 3 dos; Vibrating shaft 3 is done rotation at a high speed through the internal spline engagement and the transmission fixed eccentric block 2 of its external splines and fixed eccentric block 2 again; The centrifugal force that produces when the combined eccentricity piece rotates at a high speed passes to steel wheel through vibration bearing 9, vibrating shaft bearing 10 (vibrating the spoke version); Make steel wheel produce vibration; When the actuating speed of vibrating motor mechanism 8 one regularly, movable eccentric block 1 and fixed eccentric block 2 to close eccentricity big more, the centrifugal force of its generation bigger (exciting force that also is steel wheel is big more); Because the effect of push-and-pull bearing 6, push-pull mechanism 4 does not rotate with push-pull shaft bearing 5.
In the preferred typical structure embodiment of a kind of vibrator of vibrating roller that can adjust eccentricity continuously provided by the invention, need to prove:
One, the eccentricity of movable eccentric block 1 and fixed eccentric block 2 is near equating, during the variable quantity of then corresponding same eccentric block deciliter angle β, two eccentric blocks to close the eccentricity variable quantity big more.
When two, the rotation direction of movable eccentric block internal thread segment L and vibrating shaft internal thread segment K opposite (i.e. one section left-handed another section dextrorotation) and helical pitch are identical; Then corresponding motion thread axle 7 moves axially distance one regularly, the variable quantity of eccentric block deciliter angle β more greatly promptly two eccentric blocks to close the eccentricity variable quantity big more; Simultaneously, the axial force that movable eccentric block internal thread segment L and vibrating shaft internal thread segment K produce when eccentric block rotates is offset on motion thread axle 7, makes push-pull mechanism 4 not bear extra load.
Three, the lead of movable eccentric block internal thread segment L and vibrating shaft internal thread segment K is more little; Then corresponding motion thread axle 7 moves axially distance one regularly; The variable quantity of eccentric block deciliter angle β more greatly promptly two eccentric blocks to close the eccentricity variable quantity big more, but the working resistance of push-pull mechanism 4 is big more.
Four, when the thread rotary orientation of movable eccentric block internal thread segment L and vibrating shaft internal thread segment K is identical, then both leads must be unequal; When motion thread axle 7 moves axially; Movable eccentric block 1 changes eccentric block deciliter angle β with vibrating shaft 3 (being fixed eccentric block 2) circumferentially realizing differential; But motion thread axle 7 moves axially distance one regularly; The variable quantity of eccentric block deciliter angle β diminishes promptly that the eccentricity variable quantity that closes of two eccentric blocks diminishes, and the axial force that when eccentric block rotate, produces of movable eccentric block internal thread segment L and vibrating shaft internal thread segment K understands on motion thread axle 7 and superpose, and makes push-pull mechanism 4 bear extra load.
Five, can change the arbitrary thread segment among movable eccentric block internal thread segment L or the vibrating shaft internal thread segment K into straight-tooth is spline; Another section still is a thread segment; Can realize that also motion thread axle 7 moves axially the purpose that changes eccentric block deciliter angle β, make it to bear extra load when the eccentric block rotation of correspondence but the axial force that movable eccentric block internal thread segment L or vibrating shaft internal thread segment K produce can pass to push-pull mechanism 4.
Six, when movable eccentric block 1 split was fabricated to dismantled and assembled structure, fixed eccentric block 2 can be fixedly connected or process same part with vibrating shaft 3.
Realization of the present invention, the embodiment manufacturing technology routinely that provides by accompanying drawing gets final product.
Claims (6)
1. the vibrator vibrating mechanism that can adjust the vibratory roller of eccentricity continuously; It is characterized in that: comprise compositions such as movable eccentric block, fixed eccentric block, vibrating shaft, stripper loop, vibration bearing, vibrating shaft bearing, push-pull mechanism, push-and-pull bearing, push-pull shaft bearing, motion thread axle, vibrating motor mechanism; Movable eccentric block (1) and fixed eccentric block (2) fit together through vibrating shaft (3) and are installed in vibrating shaft bearing (10) through vibration bearing (9) and promptly vibrate in the spoke version; In the endoporus of movable eccentric block (1) and vibrating shaft (3), pass motion thread axle (7); Be with two sections screw threads on the motion thread axle (7); First thread segment (M) on the motion thread axle (7) and second thread segment (N) have at least one section to be screw pair; One end of motion thread axle (7) is connected with vibrating motor mechanism (8), and the other end is connected through push-and-pull bearing (6), push-pull shaft bearing (5) and push-pull mechanism (4).
2. a kind of vibrator vibrating mechanism that can adjust the vibratory roller of eccentricity continuously as claimed in claim 1; It is characterized in that: movable eccentric block (1) is the eccentric block that has internal thread segment (L); Movable eccentric block (1) is assembled into one-piece parts after adopting split processing, between the split of movable eccentric block (1) intermediate annular groove is arranged, and fixed eccentric block (2) is the eccentric block that has internal spline; Be processed with erection loop with its axis of rotation, movable eccentric block adapter ring groove width (S
1) should be greater than fixed eccentric block erection loop wall thickness (S
2), the intermediate annular groove of the erection loop insertion activity eccentric block (1) of fixed eccentric block during installation (2).
3. a kind of vibrator vibrating mechanism that can adjust the vibratory roller of eccentricity continuously as claimed in claim 1; It is characterized in that: vibrating shaft (3) band external splines; Pore area internal thread segment (K) in it; Be assemblied on the vibrating shaft (3) after movable eccentric block (1) and fixed eccentric block (2) combination, vibrating shaft (3) is assemblied on the vibration bearing (9), between movable eccentric block (1) and vibration bearing (9), stripper loop (11) is housed.
4. a kind of vibrator vibrating mechanism that can adjust the vibratory roller of eccentricity continuously as claimed in claim 1; It is characterized in that: motion thread axle (7) has two sections external screw threads, and motion thread axle first thread segment (M) and vibrating shaft internal thread segment (K) match; Motion thread axle second thread segment (N) and movable eccentric block internal thread segment (L) match.
5. a kind of vibrator vibrating mechanism that can adjust the vibratory roller of eccentricity continuously as claimed in claim 1; It is characterized in that: when movable eccentric block (1) when split is fabricated to dismantled and assembled structure, described fixed eccentric block (2) can be fixedly connected or process same part with vibrating shaft (3).
6. a kind of vibrator vibrating mechanism that can adjust the vibratory roller of eccentricity continuously as claimed in claim 4; It is characterized in that: it is spline that one of two sections external screw threads of said motion thread axle (7) are set to straight-tooth, and it is spline that vibrating shaft internal thread segment (K) that matches with it or movable eccentric block internal thread segment (L) also are set to straight-tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210235920.2A CN102747670B (en) | 2012-07-09 | 2012-07-09 | Vibration exciter vibrating mechanism of vibratory roller capable of adjusting eccentricity continuously |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210235920.2A CN102747670B (en) | 2012-07-09 | 2012-07-09 | Vibration exciter vibrating mechanism of vibratory roller capable of adjusting eccentricity continuously |
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| Publication Number | Publication Date |
|---|---|
| CN102747670A true CN102747670A (en) | 2012-10-24 |
| CN102747670B CN102747670B (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210235920.2A Active CN102747670B (en) | 2012-07-09 | 2012-07-09 | Vibration exciter vibrating mechanism of vibratory roller capable of adjusting eccentricity continuously |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021027560A1 (en) * | 2019-08-09 | 2021-02-18 | 济南豪特创新管理咨询合伙企业(有限合伙) | Vibration motor |
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| CN2204467Y (en) * | 1993-12-25 | 1995-08-02 | 文思仁 | Electric dynamic-modulating vibration motor |
| WO2000005455A1 (en) * | 1998-07-13 | 2000-02-03 | Rune Sturesson | Rotatable eccentric device |
| WO2003097940A1 (en) * | 2002-05-15 | 2003-11-27 | Stavostroj, A.S. | Drum of vibratory roller provided with vibratory mechanism with directed vibration |
| CN1528983A (en) * | 2003-10-15 | 2004-09-15 | 陈启方 | Vibration exciter for vertical-vibrating road roller |
| CN2768905Y (en) * | 2005-03-11 | 2006-04-05 | 太仓法路机械技术开发有限公司 | Mechanical vibrating stepless amplitude-modulation mechanism |
| CN102337718A (en) * | 2011-07-20 | 2012-02-01 | 屠卫东 | Exciter structure of vibratory roller |
| CN202644354U (en) * | 2012-07-09 | 2013-01-02 | 池州腾虎机械科技有限公司 | Vibrator vibrating mechanism of vibratory roller capable of regulating eccentricity continuously |
-
2012
- 2012-07-09 CN CN201210235920.2A patent/CN102747670B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2204467Y (en) * | 1993-12-25 | 1995-08-02 | 文思仁 | Electric dynamic-modulating vibration motor |
| WO2000005455A1 (en) * | 1998-07-13 | 2000-02-03 | Rune Sturesson | Rotatable eccentric device |
| WO2003097940A1 (en) * | 2002-05-15 | 2003-11-27 | Stavostroj, A.S. | Drum of vibratory roller provided with vibratory mechanism with directed vibration |
| CN1528983A (en) * | 2003-10-15 | 2004-09-15 | 陈启方 | Vibration exciter for vertical-vibrating road roller |
| CN2768905Y (en) * | 2005-03-11 | 2006-04-05 | 太仓法路机械技术开发有限公司 | Mechanical vibrating stepless amplitude-modulation mechanism |
| CN102337718A (en) * | 2011-07-20 | 2012-02-01 | 屠卫东 | Exciter structure of vibratory roller |
| CN202644354U (en) * | 2012-07-09 | 2013-01-02 | 池州腾虎机械科技有限公司 | Vibrator vibrating mechanism of vibratory roller capable of regulating eccentricity continuously |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021027560A1 (en) * | 2019-08-09 | 2021-02-18 | 济南豪特创新管理咨询合伙企业(有限合伙) | Vibration motor |
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Denomination of invention: Vibration exciter vibrating mechanism of vibratory roller capable of adjusting eccentricity continuously Effective date of registration: 20161128 Granted publication date: 20141210 Pledgee: Guichi Chizhou Xingye Investment Development Co., Ltd. Pledgor: Chizhou Tenghu Machinery Technology Co., Ltd. Registration number: 2016340000082 |
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Effective date of registration: 20190430 Address after: Room 502, Building 2, Shuanglong Street, Qinhuai District, Nanjing, Jiangsu Province Patentee after: Nanjing Acer Stone Machinery Technology Co. Ltd. Address before: 247000 Nine Building, 58 Tonggang Avenue, Guichi Industrial Park, Chizhou City, Anhui Province Patentee before: Chizhou Tenghu Machinery Technology Co., Ltd. |
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Effective date of registration: 20200918 Address after: 247100 Room 202, building 16, area a, Jinxiuyuan, Guichi District, Chizhou City, Anhui Province Patentee after: Diao Zhongling Address before: Room 502, Building 2, Shuanglong Street, Qinhuai District, Nanjing, Jiangsu Province Patentee before: NANJING HONGSITONG MACHINERY TECHNOLOGY Co.,Ltd. |