CN106015221A - Stable bearing and locking device - Google Patents
Stable bearing and locking device Download PDFInfo
- Publication number
- CN106015221A CN106015221A CN201610610988.2A CN201610610988A CN106015221A CN 106015221 A CN106015221 A CN 106015221A CN 201610610988 A CN201610610988 A CN 201610610988A CN 106015221 A CN106015221 A CN 106015221A
- Authority
- CN
- China
- Prior art keywords
- left socle
- right support
- order
- support
- securing rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009434 installation Methods 0.000 claims description 18
- 239000011159 matrix material Substances 0.000 claims description 12
- 210000003141 lower extremity Anatomy 0.000 claims description 8
- 238000013016 damping Methods 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 6
- 239000000446 fuel Substances 0.000 claims description 6
- 210000003739 neck Anatomy 0.000 claims description 6
- 239000000758 substrate Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 210000002683 foot Anatomy 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
Abstract
Provided is a stable bearing and locking device which is used for bearing a load device and locking the born load device. The stable bearing and locking device comprises a left support (2), a right support (21), a rear locking lever (3) and a front locking lever (4), wherein the left support (2) and the right support (21) are tightly fixed on a substrate (1) separately, the rear locking lever (3) and the front locking lever (4) both penetrate through the left support (2) and the right support (21); the rear locking lever (3) comprises a rear lever body and a pushing stud part (6) which is axially and fixedly connected with the left end of the rear leaver body through a rear thrust bearing (36), the front locking lever (4) comprises a front lever body and a drawing thread sleeve part (8) which is axially and fixedly connected with the left end of the front lever body through a front thrust bearing (48), and the external circumference of the pushing stud part (6) and the external circumference of the drawing thread sleeve part (8) are each provided with an external thread.
Description
Technical field
The present invention relates to the fixed installation field of equipment, be specially a kind of stable carrying locking device.
Background technology
During the fixed installation of some equipment, generally require that to use bracket fixing to carry out carrying.Firmly installing and using safety for equipment, it usually needs equipment is fastened on bracket.But, utilize the fastening means operation inconvenience such as bolt, when being especially unfavorable for operation in space.And it is susceptible to the potential safety hazards such as bolt corrosion.
Summary of the invention
It is an object of the invention to provide a kind of stable carrying locking device, be used for overcoming drawbacks described above of the prior art.
nullStable carrying locking device according to the present invention，Lock for carry load device and to the load device carried，Including the left socle in order to be anchored on dividually on matrix and right support and each all run through described left socle and the rear securing rod of right support and front securing rod，Wherein，Described rear securing rod includes the pushing and withstanding stud members that rear bar main body and the left end with described rear bar main body are connected axial restraint by back pressure bearing，Described front securing rod includes the pull swivel nut part that front bar main body and the left end with described front bar main body are connected axial restraint by forward thrust bearing，Wherein，It is provided with external screw thread on the excircle of described pushing and withstanding stud members and described pull swivel nut part，In order to respectively with the rear fixing swivel nut being fixedly installed on the left of described left socle and front fixing swivel nut threaded engagement，Wherein，The end of described pushing and withstanding stud members is provided with tool engagement outer surface portion，Described pull swivel nut part end is provided with tool engagement slot portion，The left side of described left socle is provided with fixed mount and is anchored on matrix，The T-shaped sliding tray that left and right extends it is provided with in described fixed mount，The top of described fixed mount is provided with two fuel filler necks come round with described T-shaped sliding tray，It is sliding combined with T-shaped slide block in described T-shaped sliding tray，Two described fuel filler necks make described T-shaped slide block preferably slide in described T-shaped sliding tray in order to oil addition in described T-shaped sliding tray，The top of the part that described T-shaped slide block extends described T-shaped sliding tray is provided with the rear drive motor relative with described pushing and withstanding stud members，It is additionally provided with the front wheel driving motor relative with described pull swivel nut part，The end of the output shaft of described rear drive motor is provided with instrument clamping accessory and drives in order to engage with described tool engagement outer surface portion when needed to carry out rotating，The end of the output shaft of described front wheel driving motor is provided with instrument projecting member and drives in order to engage with described tool engagement slot portion when needed to carry out rotating；nullIt is provided with damping cushion between described front wheel driving motor and the bottom of described rear drive motor and described T-shaped slide block，Described damping cushion is in order to the shaking force reducing described front wheel driving motor and described rear drive motor operationally produces，To increase described front wheel driving motor and the stability of described rear drive motor operation，Ensure the stationarity that described T-shaped slide block slides in described T-shaped sliding tray，Wherein，Described load device is fixed with the front-seat installation leg being provided separately and the heel row installation leg being provided separately，In order to be locked by described front securing rod and described rear securing rod the most respectively，And described front securing rod sequentially passes through the front-seat locking downwardly extended of described front-seat installation leg and protrudes，And described rear securing rod sequentially passes through the heel row the downwardly extended locking of described heel row installation leg and protrudes，Wherein，Described rear securing rod can stretch to right support from left socle and stretch out from right support，And described rear bar main body includes the rear bar left tapering section in order to coordinate with the rear portion taper hole in described left socle、In order to the rear bar intermediate cylinder section coordinated with the through hole in described heel row locking protrusion and in order to the rear bar right tapering section coordinated with the rear portion taper hole in described right support，Described front securing rod can stretch to left socle from right support and stretch out from left socle，And described front bar main body includes the front bar left tapering section in order to coordinate with the anterior taper hole in described left socle、In order to the front bar intermediate cylinder section coordinated with the through hole in described front-seat locking protrusion and in order to the front bar right tapering section coordinated with the anterior taper hole in described right support，Wherein，It is respectively cooperating with between described left socle and the lower section of right support and described matrix being provided with support contiguous block triangular in shape，The lower right-hand corner of described support contiguous block is extended with left extension block，It is extended with right extension block at the upper right corner of described support contiguous block，Described left extension block is connected by left lock-screw and described matrix are fixing，Described right extension block is connected by right lock-screw is fixing with described left socle and right support respectively，Described support contiguous block increases the support strength of described left socle and right support in order to support described left socle and right support.
By means of the invention it is possible to avoid using bolt fastener to fasten equipment, same realization is fixed for four foots of equipment.And, two securing rods and two support arms form cross-linked form, enhance the structural soundness of entirety.It addition, by using taper fit face to coordinate with the bellmouth of support, it is possible to realize taper and stopper, thus avoid securing rod in use loosening.And by arranging two operation screw heads in same side, one draws a top, it is possible to avoid the bias in the same direction for support arm, it is possible to fastening force of cancelling out each other, so that stabilized structure is reliable, force-bearing situation improves.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of assembly of the invention；
Fig. 2 is the anterior enlarged diagram in Fig. 1；
Fig. 3 corresponds to the schematic cross-section at different cross section height of the device in Fig. 1；
Fig. 4 is the enlarged diagram of rear bar main body；
Fig. 5 is the enlarged diagram of front bar main body；
Fig. 6 is the enlarged diagram of the parts in the present invention on fixed mount；
Fig. 7 is the left view part-structure schematic diagram supporting contiguous block in Fig. 1.
Detailed description of the invention
Below in conjunction with Fig. 1-7, the present invention is described in detail.
nullStable carrying locking device according to an embodiment of the invention，Lock for carry load device and to the load device carried，Including the left socle 2 in order to be anchored on dividually on matrix 1 and right support 21 and each all run through described left socle 2 and the rear securing rod 3 of right support 21 and front securing rod 4，Wherein，Described rear securing rod 3 includes the pushing and withstanding stud members 6 that rear bar main body and the left end with described rear bar main body are connected axial restraint by back pressure bearing 36，Described front securing rod 4 includes the pull swivel nut part 8 that front bar main body and the left end with described front bar main body are connected axial restraint by forward thrust bearing 48，Wherein，It is provided with external screw thread on the excircle of described pushing and withstanding stud members 6 and described pull swivel nut part 8，In order to respectively with the rear fixing swivel nut 29 being fixedly installed on the left of described left socle 2 and front fixing swivel nut 28 threaded engagement，Wherein，The end of described pushing and withstanding stud members 6 is provided with tool engagement outer surface portion 60，Described pull swivel nut part 8 end is provided with tool engagement slot portion 80，The left side of described left socle 2 is provided with fixed mount 71 and is anchored on matrix 1，The T-shaped sliding tray 73 that left and right extends it is provided with in described fixed mount 71，The top of described fixed mount 71 is provided with two fuel filler necks 74 come round with described T-shaped sliding tray 73，T-shaped slide block 72 it is sliding combined with in described T-shaped sliding tray 73，Two described fuel filler necks 74 make described T-shaped slide block 72 preferably slide in described T-shaped sliding tray 73 in order to oil addition in described T-shaped sliding tray 73，The top of the part that described T-shaped slide block 72 extends described T-shaped sliding tray 73 is provided with the rear drive motor 37 relative with described pushing and withstanding stud members 6，It is additionally provided with the front wheel driving motor 49 relative with described pull swivel nut part 8，The end of the output shaft of described rear drive motor 37 is provided with instrument clamping accessory 38 and drives in order to engage with described tool engagement outer surface portion 60 when needed to carry out rotating，The end of the output shaft of described front wheel driving motor 49 is provided with instrument projecting member 50 and drives in order to engage with described tool engagement slot portion 80 when needed to carry out rotating；nullIt is provided with damping cushion 103 between described front wheel driving motor 49 and the bottom of described rear drive motor 37 and described T-shaped slide block 72，Described damping cushion 103 is in order to the shaking force reducing described front wheel driving motor 49 and described rear drive motor 37 operationally produces，To increase described front wheel driving motor 49 and the stability of described rear drive motor 37 operation，Ensure the stationarity that described T-shaped slide block 72 slides in described T-shaped sliding tray 73，Wherein，Described load device is fixed with the front-seat installation leg 981 being provided separately、982 and the heel row installation leg 991 that is provided separately、992，In order to be locked by described front securing rod 4 and described rear securing rod 3 the most respectively，And described front securing rod 4 sequentially passes through described front-seat installation leg 981、The front-seat locking protrusion 481 downwardly extended of 982、482，And described rear securing rod 3 sequentially passes through described heel row installation leg 991、The heel row the downwardly extended locking protrusion 391 of 992、392，Wherein，Described rear securing rod 3 can stretch to right support 21 from left socle 2 and stretch out from right support 21，And described rear bar main body includes the rear bar left tapering section 31 in order to coordinate with the rear portion taper hole in described left socle 2、In order to lock protrusion 391 with described heel row、Rear bar intermediate cylinder section 32 that through hole in 392 coordinates and in order to the rear bar right tapering section 33 coordinated with the rear portion taper hole in described right support 21，Described front securing rod 4 can stretch to left socle 2 from right support 21 and stretch out from left socle 2，And described front bar main body includes the front bar left tapering section 41 in order to coordinate with the anterior taper hole in described left socle 2、In order to lock protrusion 481 with described front row、Front bar intermediate cylinder section 42 that through hole in 482 coordinates and in order to the front bar right tapering section 43 coordinated with the anterior taper hole in described right support 21，Wherein，It is respectively cooperating with between described left socle 2 and the lower section of right support 21 and described matrix 1 being provided with support contiguous block 23 triangular in shape，The lower right-hand corner of described support contiguous block 23 is extended with left extension block，It is extended with right extension block at the upper right corner of described support contiguous block 23，Described left extension block is connected by left lock-screw 25 is fixing with described matrix 1，Described right extension block is fixed and is connected with described left socle 2 and right support 21 by right lock-screw 24 respectively，Described support contiguous block 23 increases described left socle 2 and the support strength of right support 21 in order to support described left socle 2 and right support 21.
Valuably or exemplarily, wherein, first line left lower limb 981 and first line right lower limb 982 in described front-seat installation leg 981,982 are separately mounted between described left socle 2 and right support 21 and are positioned at the front portion of the anterior of described left socle 2 and described right support 21, and player No.5's lower limb 991 of described heel row installation leg 991,992 and back right lower limb 992 are separately mounted between described left socle 2 and right support 21 and are positioned at the rear portion of described left socle 2 and the rear portion of described right support 21.
Valuably or exemplarily, wherein, the cross section of described front bar main body and rear bar main body is square.
Whole device is it can be avoided that use bolt fastener to fasten equipment, and same realization is fixed for four foots of equipment.And, two securing rods and two support arms form cross-linked form, enhance the structural soundness of entirety.It addition, by using taper fit face to coordinate with the bellmouth of support, it is possible to realize taper and stopper, thus avoid securing rod in use loosening.And by arranging two operation screw heads in same side, one draws a top, it is possible to avoid the bias in the same direction for support arm, it is possible to fastening force of cancelling out each other, so that stabilized structure is reliable, force-bearing situation improves.Whole modular construction is firm, reasonable stress, firmly installs.Can effectively solve the problem that the problems of the prior art.
Those skilled in the art can be clear and definite, without departing from the overall spirit of the present invention and design when, can make the various modification for above example.Within it each falls within protection scope of the present invention.The protection scheme of the present invention is as the criterion with claims appended hereto.
Claims (3)
- null1. a stable carrying locking device，Lock for carry load device and to the load device carried，Including the left socle (2) in order to be anchored on dividually on matrix (1) and right support (21) and rear securing rod (3) and the front securing rod (4) each all running through described left socle (2) and right support (21)，Wherein，Described rear securing rod (3) includes rear bar main body and the left end pushing and withstanding stud members (6) that axial restraint ground is connected by back pressure bearing (36) with described rear bar main body，Described front securing rod (4) includes front bar main body and left end pull swivel nut part (8) that axial restraint ground is connected by forward thrust bearing (48) with described front bar main body，Wherein，It is provided with external screw thread on the excircle of described pushing and withstanding stud members (6) and described pull swivel nut part (8)，In order to respectively be fixedly installed on described left socle (2) left side rear fixing swivel nut (29) and front fixing swivel nut (28) threaded engagement，Wherein，The end of described pushing and withstanding stud members (6) is provided with tool engagement outer surface portion (60)，Described pull swivel nut part (8) end is provided with tool engagement slot portion (80)，The left side of described left socle (2) is provided with fixed mount (71) and is anchored on matrix (1)，The T-shaped sliding tray (73) that left and right extends it is provided with in described fixed mount (71)，The top of described fixed mount (71) is provided with two fuel filler necks (74) come round with described T-shaped sliding tray (73)，It is sliding combined with T-shaped slide block (72) in described T-shaped sliding tray (73)，Two described fuel filler necks (74) make described T-shaped slide block (72) preferably slide in described T-shaped sliding tray (73) in order to oil addition in described T-shaped sliding tray (73)，The top of the part that described T-shaped slide block (72) extends described T-shaped sliding tray (73) is provided with the rear drive motor (37) relative with described pushing and withstanding stud members (6)，It is additionally provided with the front wheel driving motor (49) relative with described pull swivel nut part (8)，The end of the output shaft of described rear drive motor (37) is provided with instrument clamping accessory (38) and drives in order to engage with described tool engagement outer surface portion (60) when needed to carry out rotating，The end of the output shaft of described front wheel driving motor (49) is provided with instrument projecting member (50) and drives in order to engage with described tool engagement slot portion (80) when needed to carry out rotating；nullIt is provided with damping cushion (103) between described front wheel driving motor (49) and the bottom of described rear drive motor (37) and described T-shaped slide block (72)，Described damping cushion (103) is in order to the shaking force reducing described front wheel driving motor (49) and described rear drive motor (37) operationally produces，The stability run with the described front wheel driving motor (49) of increase and described rear drive motor (37)，Ensure the stationarity that described T-shaped slide block (72) is slided in described T-shaped sliding tray (73)，Wherein，Described load device is fixed with the front-seat installation leg (981 being provided separately、982) and the heel row installation leg (991 that is provided separately、992)，In order to be locked by described front securing rod (4) and described rear securing rod (3) the most respectively，And described front securing rod (4) sequentially passes through described front-seat installation leg (981、982) the front-seat locking downwardly extended protrudes (481、482)，And described rear securing rod (3) sequentially passes through described heel row installation leg (991、992) the heel row downwardly extended locking protrudes (391、392)，Wherein，Described rear securing rod (3) can stretch to right support (21) from left socle (2) and stretch out from right support (21)，And described rear bar main body includes rear bar left tapering section (31) in order to coordinate with the rear portion taper hole in described left socle (2)、In order to protrude (391 with the locking of described heel row、392) rear bar intermediate cylinder section (32) that through hole in coordinates and in order to rear bar right tapering section (33) coordinated with the rear portion taper hole in described right support (21)，Described front securing rod (4) can stretch to left socle (2) from right support (21) and stretch out from left socle (2)，And described front bar main body includes front bar left tapering section (41) in order to coordinate with the anterior taper hole in described left socle (2)、In order to protrude (481 with described front-seat locking、482) front bar intermediate cylinder section (42) that through hole in coordinates and in order to front bar right tapering section (43) coordinated with the anterior taper hole in described right support (21)，Wherein，It is respectively cooperating with between described left socle (2) and the lower section of right support (21) and described matrix (1) being provided with support contiguous block (23) triangular in shape，The lower right-hand corner of described support contiguous block (23) is extended with left extension block，It is extended with right extension block at the upper right corner of described support contiguous block (23)，Described left extension block is connected by left lock-screw (25) and described matrix (1) are fixing，Described right extension block is connected by right lock-screw (24) is fixing with described left socle (2) and right support (21) respectively，Described support contiguous block (23) increases described left socle (2) and the support strength of right support (21) in order to support described left socle (2) and right support (21).
- 2. a kind of stable carrying locking device as claimed in claim 1, wherein, described front-seat installation leg (981, 982) first line left lower limb (981) and first line right lower limb (982) in are separately mounted between described left socle (2) and right support (21) and are positioned at the front portion of the anterior of described left socle (2) and described right support (21), described heel row installation leg (991, 992) player No.5's lower limb (991) and back right lower limb (992) are separately mounted between described left socle (2) and right support (21) and are positioned at the rear portion of described left socle (2) and the rear portion of described right support (21).
- 3. a kind of stable carrying locking device as claimed in claim 1 or 2, wherein, the cross section of described front bar main body and rear bar main body is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610610988.2A CN106015221B (en) | 2016-07-29 | 2016-07-29 | A kind of stable carries locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610610988.2A CN106015221B (en) | 2016-07-29 | 2016-07-29 | A kind of stable carries locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106015221A true CN106015221A (en) | 2016-10-12 |
| CN106015221B CN106015221B (en) | 2018-02-09 |
Family
ID=57115211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610610988.2A Active CN106015221B (en) | 2016-07-29 | 2016-07-29 | A kind of stable carries locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106015221B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107226299A (en) * | 2017-05-17 | 2017-10-03 | 贵州航天天马机电科技有限公司 | A kind of supporting mechanism |
| WO2018068292A1 (en) * | 2016-10-14 | 2018-04-19 | 李常明 | Shock-absorbing load-bearing assembly with supporting and locking functions |
| WO2018094549A1 (en) * | 2016-11-22 | 2018-05-31 | 邴兆前 | New-type bracket carrying and locking assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2567214A1 (en) * | 1984-07-04 | 1986-01-10 | Ricard Hubert | Self locking support dowel and its locking method, especially for holding up working platforms |
| US5782078A (en) * | 1996-12-17 | 1998-07-21 | General Electric Company | Tapered jam nut for turbine frame mount link |
| CN2937609Y (en) * | 2006-08-15 | 2007-08-22 | 南阳二机石油装备(集团)有限公司 | Thread fixing cone pin |
| JP2009299754A (en) * | 2008-06-12 | 2009-12-24 | Shimizu Corp | Bearing joining structure and bearing joining member |
| GB2478952A (en) * | 2010-03-24 | 2011-09-28 | Coupling Technology Ltd | Fixing Element |
| CN103953631A (en) * | 2014-04-21 | 2014-07-30 | 中国重型机械研究院股份公司 | Combined regulation pin shaft |
-
2016
- 2016-07-29 CN CN201610610988.2A patent/CN106015221B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2567214A1 (en) * | 1984-07-04 | 1986-01-10 | Ricard Hubert | Self locking support dowel and its locking method, especially for holding up working platforms |
| US5782078A (en) * | 1996-12-17 | 1998-07-21 | General Electric Company | Tapered jam nut for turbine frame mount link |
| CN2937609Y (en) * | 2006-08-15 | 2007-08-22 | 南阳二机石油装备(集团)有限公司 | Thread fixing cone pin |
| JP2009299754A (en) * | 2008-06-12 | 2009-12-24 | Shimizu Corp | Bearing joining structure and bearing joining member |
| GB2478952A (en) * | 2010-03-24 | 2011-09-28 | Coupling Technology Ltd | Fixing Element |
| CN103953631A (en) * | 2014-04-21 | 2014-07-30 | 中国重型机械研究院股份公司 | Combined regulation pin shaft |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018068292A1 (en) * | 2016-10-14 | 2018-04-19 | 李常明 | Shock-absorbing load-bearing assembly with supporting and locking functions |
| WO2018094549A1 (en) * | 2016-11-22 | 2018-05-31 | 邴兆前 | New-type bracket carrying and locking assembly |
| CN107226299A (en) * | 2017-05-17 | 2017-10-03 | 贵州航天天马机电科技有限公司 | A kind of supporting mechanism |
| CN107226299B (en) * | 2017-05-17 | 2019-01-04 | 贵州航天天马机电科技有限公司 | A kind of supporting mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106015221B (en) | 2018-02-09 |
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Effective date of registration: 20191121 Address after: Li Lu Suzhou city in Jiangsu province 215000 Wuzhong District No. 99 Patentee after: SUZHOU CITY WUZHONG TECHNOLOGY INNOVATION PARK MANAGEMENT CO.,LTD. Address before: 322200, No. three, block 16, village south, Pujiang County, Zhejiang, Jinhua Patentee before: Pujiang Jianfeng Environmental Science and Technology Co.,Ltd. |
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Effective date of registration: 20220824 Address after: Room 104, Workshop 11#, Intelligent Photoelectric Information Industrial Park, No. 16, Heilongjiang Road, Dongcheng Street, Liaocheng Economic and Technological Development Zone, Liaocheng City, Shandong Province, 252000 Patentee after: Liaocheng Luozhan New Material Technology Co.,Ltd. Address before: 215000 99 Changli Road, Wuzhong District, Suzhou City, Jiangsu Province Patentee before: SUZHOU CITY WUZHONG TECHNOLOGY INNOVATION PARK MANAGEMENT CO.,LTD. |