CN106192780B - Self-locking tensioning equipment is layered for the multiaxis of composite material - Google Patents
Self-locking tensioning equipment is layered for the multiaxis of composite material Download PDFInfo
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- CN106192780B CN106192780B CN201610790346.5A CN201610790346A CN106192780B CN 106192780 B CN106192780 B CN 106192780B CN 201610790346 A CN201610790346 A CN 201610790346A CN 106192780 B CN106192780 B CN 106192780B
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- China
- Prior art keywords
- composite material
- rotating shaft
- fixing end
- material tape
- tensioning equipment
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
Abstract
The invention belongs to bridge prestress to compensate apparatus field, specifically provides a kind of multiaxis for composite material and is layered self-locking tensioning equipment.Present invention seek to address that when multi-layer composite materials material strip is once wound in the prior art the problem of tow discontinuity.The multiaxis layering self-locking tensioning equipment of the present invention includes composite material tape, the first fixing end and the second fixing end, and composite material tape includes at least two layers of subband, and the first fixing end is provided with multiple first rotating shafts；The first end of composite material tape is fixedly connected with the first fixing end, the second end of composite material tape is fixedly connected with the second fixing end, first rotating shaft is fixedly connected with the first end of subband so that composite material tape is identical per the tensile force suffered by straton band in the state of tensioning.The multiaxis layering self-locking tensioning equipment of the present invention, by being provided with multiple first rotating shafts in the first fixing end, the tensile force of each subband is adjusted by rotating first rotating shaft, so that each tow of composite material tape can uniform stressed.
Description
Technical field
The invention belongs to bridge prestress to compensate apparatus field, specifically provides a kind of multiaxis layering for composite material certainly
Lock tensioning equipment.
Background technology
Architectural engineering is passed through constructs frequently with prestressed stretch-draw mode, especially in science of bridge building, most large span
Bridge is come bridge construction using prestressing force mode.As constantly passing through for vehicle can cause the loss of bridge prestress, in order to
These losss of prestress are compensated, need to carry out increase prestressed structure outside bridge.Since large-span prestressed bridge is not
It is especially smooth, it just needs to carry out the pre- tensioning of composite material tape in factory in advance using composite material tape prestressing force mode, ensure
Each tow uniform stressed of composite material tape can realize that single tension reaches the effect of compensation loss of prestress after reaching scene
Fruit, the benefit done so are exactly basic without suspending traffic.
But the existing pre- tensioning equipment of composite material tape can not fully make the tow of composite material tape uniformly by
Power, is constantly present that one or more tow stress is excessive or the situation of one or too small mostly with tow stress so that composite wood
It needs to re-start pre- tensioning when material strip is constructed at the scene, otherwise the excessive composite material tape of stress will be pulled off.
Correspondingly, this field needs a kind of pre- tensioning equipment of new composite material tape to solve the above problems.
Invention content
In order to solve the above problem of the prior art, once twined in order to solve multi-layer composite materials material strip in the prior art
Around when tow discontinuity the problem of, the present invention provides a kind of multiaxises for composite material to be layered self-locking tensioning equipment,
Multiaxis layering self-locking tensioning equipment includes composite material tape, the first fixing end and the second fixing end, the composite material tape packet
Include at least two layers of subband；First fixing end includes at least two first rotating shafts；In an assembling process, the composite material tape
First end be fixedly connected with first fixing end, the second end of the composite material tape and second fixing end, which are fixed, to be connected
It connects, first fixing end and second fixing end are connected respectively on tensioning equipment, and the composite material tape is tensioned；Institute
The first end for stating subband is wound into the first rotating shaft so that when the composite material tape is by every layer of subband in tensioning
Suffered tensile force is identical.
Above-mentioned multiaxis layering self-locking tensioning equipment optimal technical scheme in, first fixing end further include bottom plate and
Briquetting, the briquetting are fixedly connected with the bottom plate, and the first rotating shaft is rotatably arranged in the briquetting or sets
Between the bottom plate and the briquetting.
In the optimal technical scheme of above-mentioned multiaxis layering self-locking tensioning equipment, institute is wound into the first end of the subband
After stating in first rotating shaft, the every first rotating shaft is rotated so that the subband being wound into the every first rotating shaft
Tensile force it is identical.
In the optimal technical scheme of above-mentioned multiaxis layering self-locking tensioning equipment, one is provided in second fixing end
Second shaft, the second end of the composite material tape are wound into second shaft.
In the optimal technical scheme of above-mentioned multiaxis layering self-locking tensioning equipment, the first groove is provided on the bottom plate,
The first rotating shaft is mounted in first groove.
In the optimal technical scheme of above-mentioned multiaxis layering self-locking tensioning equipment, it is provided on the briquetting and described first
Second groove of groove location alignment, the first rotating shaft are mounted on the hole that first groove is formed with second groove
It is interior.
In the optimal technical scheme of above-mentioned multiaxis layering self-locking tensioning equipment, jackscrew is provided on the briquetting, in institute
It states in a state that subband is tensioned, the jackscrew can abut against in the first rotating shaft and the therefore fixed first rotating shaft.
Above-mentioned multiaxis layering self-locking tensioning equipment optimal technical scheme in, the first rotating shaft be polygon cylinder simultaneously
And/or the outer surface of first rotating shaft described in person is provided with anti-skid chequer so that the first rotating shaft when being abutted against by the jackscrew without
Method rotates.
In the optimal technical scheme of above-mentioned multiaxis layering self-locking tensioning equipment, first fixing end further includes the first pressure
Plate, first pressing plate are fixed to by structure glue on the bottom plate, so as to by the first rotating shaft and the composite material tape
It is clipped between first pressing plate and the bottom plate.
In the optimal technical scheme of above-mentioned multiaxis layering self-locking tensioning equipment, the first rotating shaft and/or described second
It is both provided with gap in shaft, the composite material tape passes through the gap and is wrapped in the first rotating shaft and/or described the
In two shafts, and then it is fixedly connected by structure glue with the first rotating shaft and/or second shaft.
It will be appreciated to those of skill in the art that in the preferred technical solution of the present invention, set in the first fixing end
There are multiple rotatable first rotating shafts, the first end of the subband of composite material tape be coiled in respectively in different first rotating shafts,
The second end of the subband of composite material tape is fixedly connected with the second fixing end, when composite material tape is pre-tensioner, per straton band all
The first rotating shaft of the subband can be fixed by rotation individually to set tensile force, so as to ensure that every straton band can bear phase
Same tensile force, and then improve the service life of tensioning equipment.
Description of the drawings
Fig. 1 is the effect diagram of the multiaxis layering self-locking tensioning equipment for composite material of the present invention；
Fig. 2 is the sectional view of the first fixing end of the multiaxis layering self-locking tensioning equipment of the present invention.
Specific embodiment
The preferred embodiment of the present invention described with reference to the accompanying drawings.It will be apparent to a skilled person that this
A little embodiments are used only for explaining the technical principle of the present invention, it is not intended that limit the scope of the invention.Although for example,
Setting is there are four first rotating shaft in the first fixing end in attached drawing, but this is that kind of quantitative relation is non-unalterable, art technology
Personnel can as needed make adjustment to it, to adapt to specific application scenario.
It should be noted that in the description of the present invention, term " " center ", " on ", " under ", "left", "right", " vertical ",
The direction of instructions such as " level ", " interior ", " outer " or the term of position relationship are to be based on direction shown in the drawings or position relationship, this
It is intended merely to facilitate description rather than instruction or implies that described device or element must have specific orientation, with specific
Azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second ", " third " are only used
In description purpose, and it is not intended that instruction or hint relative importance.
In addition it is also necessary to explanation, in the description of the present invention unless specifically defined or limited otherwise, term " peace
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.To those skilled in the art, it can understand that above-mentioned term exists as the case may be
Concrete meaning in the present invention.
As shown in Figure 1, the multiaxis layering self-locking tensioning equipment for composite material of the present invention including composite material tape 1,
First fixing end 2 and the second fixing end 3, the first end (right end of composite material tape 1 shown in Fig. 1) of composite material tape 1 and the
One fixing end 2 is fixedly connected, second end (left end of composite material tape 1 shown in Fig. 1) and the second fixing end of composite material tape 1
3 are fixedly connected.Composite material tape 1 is made of multilayer subband (not indicated in figure), and the band arranged stacked per straton.
As depicted in figs. 1 and 2, the first fixing end 2 includes：Bottom plate 21, two briquettings 22, first rotating shaft 23, bolts 24.Pressure
Block 22 is located at the top of bottom plate 21, and is fixedly connected between briquetting 22 and bottom plate 21 by bolt 24.Those skilled in the art
, it is understood that other connection sides can also be used between briquetting 22 and bottom plate 21 other than using the connection mode of bolt
Formula, for example, briquetting 22 and bottom plate 21 are welded together.As shown in Fig. 2, the first groove 211 is provided on bottom plate 21, preferably
Ground, the cross section of the first groove 211 is in semicircle shape；The second groove 221 is provided on briquetting 22, it is preferable that the second groove 221
Cross section is in semicircle shape；In assembled state, the first groove 211 and the second groove 221 be collectively formed one it is circular logical
Hole so that the first rotating shaft 23 in the first groove 211 and the second groove 221 can freely be revolved in the circular through hole
Turn.It will be appreciated to those of skill in the art that the shape of the first groove 211 and the second groove 221 is not unalterable, ability
First groove 211 and the second groove 221 can be arranged to other shapes by field technique personnel as the case may be, as long as ensureing
It is rotated freely i.e. in the through-hole that first rotating shaft 23 can be formed in the first groove 211 and the second groove 221 in the state of installing
Can, for example, can the second groove 221 only set on briquetting 22, and the second groove 221 is arranged to circular through hole or U-shaped
Groove, for installing first rotating shaft 23.
With continued reference to Fig. 1 and Fig. 2, multiple screw holes 222 are provided on briquetting 22, screw hole 222 connects with the second groove 221
It is logical, it is preferable that the opening direction of screw hole 222 is directed toward the central shaft of the second groove 221.Further, in each screw hole 222
Jackscrew (not shown) is provided with, first rotating shaft 23 to be fixed by jackscrew in the assembled state,
So that first rotating shaft 23 can not rotate.Preferably, first rotating shaft 23 is that hexagon pole or those skilled in the art can be with
According to specific needs, first rotating shaft 23 is arranged to other polygon cylinders (for example, octagonal cylinder) or in first rotating shaft
Anti-skid chequer is set on 23 excircle, in order to which jackscrew is when being fixed first rotating shaft 23, jackscrew can block first turn
Between axis 23 or jackscrew and first rotating shaft 23 there is enough frictional force, prevent first rotating shaft 23 from rotating.
As shown in Figure 1, the first end of each layer or every two layers of subband (right end of composite material tape 1 shown in Fig. 1) is wound
In a first rotating shaft 23, it is preferable that a gap can be set in first rotating shaft 23, and the first end of subband is passed through should
It is wound into again in first rotating shaft 23 behind gap.When subband is tightened up, subband can be produced by the contact being wound between part
Raw frictional force realizes self-locking.When composite material tape 1 is pre-tensioner, it can respectively be adjusted by rotating first rotating shaft 23 and be applied to
Per the tensile force on straton band.Further, the first fixing end 2 further includes the first pressing plate 25, when the tensile force of every straton band is all set
When having put, application specific architecture glue is perfused in the subband groove formed in bottom plate 21 and briquetting 22, makes first rotating shaft 23 and each layer
The first end of subband is immersed in structure glue, and the first pressing plate 25 is pressed on bottom plate 21.It is compound when structure glue solidifies
The first end of the first end of material strips 1, that is, each straton band is fixedly connected into one with the first pressing plate 25, bottom plate 21, first rotating shaft 23
A entirety.
With continued reference to Fig. 1, the second fixing end 3 includes：32, two connecting plate 31, mounting base tightening 33, four spiral shells of screw rod
34 and second pressing plate 35 of mother.The left and right directions of connecting plate 31 and mounting base 32 (connecting plate 31 shown in Fig. 1 and mounting base 32
Left and right directions) on be respectively arranged with two through-holes (being indicated in figure), two tightening screw rods 33 are each passed through connecting plate 31 and peace
The through-hole on bottom plate 32 is filled, and nut 34 is mounted on to the both ends of tightening screw rod 33, for limiting connecting plate 31 and installation bottom
Maximum distance between plate 32 on tightening 33 axis direction of screw rod.The first mounting hole is provided on mounting base 32 (in figure not
Mark), mounting base 32 by the first mounting hole is installed to the equipment tensed, and (composite material tape 1 is when pre-tensioner
Tensioning equipment) on.The second mounting hole (not indicated in figure) is provided on connecting plate 31, connecting plate 31 passes through the second mounting hole and
Two pressing plates 35 are fixedly connected, and the second shaft (not indicated in figure) is provided on connecting plate 31, are set on the circumference of the second shaft
It puts to extend radially through second shaft, people in the art along the second shaft there are one gap (not indicating in figure) and the gap
Member is, it is understood that the gap to pass through the axis of the second shaft, can not also pass through the axis of the second shaft.Composite wood
The second end of material strip 1 is passed through and the gap and is wrapped in the second shaft, then by application specific architecture glue by the of composite material tape 1
Two ends, the second shaft, 31 and second pressing plate 35 of connecting plate are fixedly connected into an entirety.
With reference to the tune of the pretensioned multiaxis layering self-locking tensioning equipment of Fig. 1 composite material tapes that the present invention will be described in detail
Try application method.
First, the length and required composite material tape 1 of the needs of composite material tape 1 are calculated according to specifically used environment
Institute's tensile force requirement to be achieved.Then, the number of plies of subband is determined according to required power, decides length.And then in factory
Composite material tape 1 is carried out it is pre-tensioner, so that composite material tape 1 will not be influenced by ambient temperature during pre-tensioner.It will be multiple
The first end of condensation material band 1 is fixed in the first fixing end 2, i.e., the first end of subband is wound into respectively in first rotating shaft 23,
The second end of composite material tape 1 is wound into the second shaft of the second fixing end 3.Further, by mounting base 32 and bottom plate
21 are respectively fixed on tensioning equipment (for example, equipment with servo motor), then by tensioning equipment to composite material tape 1
Carry out it is pre-tensioner, be rotated further by each first rotating shaft 23 so that pulling force suffered by each straton band reach predetermined value (predetermined value
Size those skilled in the art can be set according to particular condition in use), each first rotating shaft 23 is locked respectively with jackscrew
It is fixed, in the state of the tension of composite material tape 1, it is perfused application specific architecture glue on connecting plate 31 and bottom plate 21 respectively, and by first
Pressing plate 25 is covered on bottom plate 21 so that first rotating shaft 23, bottom plate 21, the first pressing plate 25 and each subband first end compose one
It is whole, the second pressing plate 35 is covered on connecting plate 31 so that connecting plate 31, the second shaft, the second pressing plate 35 and composite material tape 1
Second end compose an entirety.The glued construction of first fixing end 2 and the second fixing end 3 causes composite material tape 1 in length
Any prestressed loss is not had during phase use.Finally pre-tensioner good composite material tape 1, which is mounted on, needs to tense
Facility on (for example, bridge), and by the application specific architecture glue of composite material tape 1 between the first fixing end 2 and the second fixing end 3
It is infiltrated, makes every straton band glued together.
It will be appreciated to those of skill in the art that the multiaxis layering self-locking tensioning equipment of the present invention is applicable not only to multilayer
Band-like composite material it is pre-tensioner, but also can be suitable for strand material it is pre-tensioner.When multiaxis layering self-locking tensioning dress
When putting for pre-tensioner strand material, each bunch is accordingly fixed in a first rotating shaft 23, and passes through first rotating shaft 23
The bunch is carried out pre-tensioner.
Those skilled in the art are also understood that, can be on every straton band when composite material tape 1 carries out pre-tensioner
Pulling force sensor is set, it can basis in order to detect the suffered tensile force of every straton band or those skilled in the art
Concrete condition carries out tensile force detection using other modes and equipment to every straton band.
Those skilled in the art, will it will be further understood that the second shaft can be removed according to particular condition in use
The second end of composite material tape 1 is affixed directly on connecting plate 31 or those skilled in the art can also be as needed
Other suitable fixing devices are set in two fixing ends 3, for example, the face that 31 and second pressing plate 35 of connecting plate is combined is respectively provided with
Anti-skid chequer, the second end of composite material tape 1 is placed between 31 and second pressing plate 35 of connecting plate and to pass through bolt tight by the two
Close is pressed together, and the second end of composite material tape 1 is fixed by pressing force between the two.
So far, it has been combined preferred embodiment shown in the drawings and describes technical scheme of the present invention, still, this field
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific embodiments.Without departing from this
Under the premise of the principle of invention, those skilled in the art can make the relevant technologies feature equivalent change or replacement, these
Technical solution after changing or replacing it is fallen within protection scope of the present invention.
Claims (10)
1. a kind of multiaxis for composite material is layered self-locking tensioning equipment, which is characterized in that the multiaxis is layered self-locking tensioning
Device includes composite material tape, the first fixing end and the second fixing end,
The composite material tape includes at least two layers of subband；
First fixing end includes at least two first rotating shafts；
In an assembling process, the first end of the composite material tape is fixedly connected with first fixing end, the composite material
The second end of band is fixedly connected with second fixing end, and first fixing end and second fixing end are connected respectively to and open
It draws in equipment, the composite material tape is tensioned；
The first end of the subband is wound into the first rotating shaft so that when the composite material tape is tensioned described in every layer
The tensile force that subband is subject to is identical.
2. the multiaxis according to claim 1 for composite material is layered self-locking tensioning equipment, which is characterized in that described the
One fixing end further includes bottom plate and briquetting, and the briquetting is fixedly connected with the bottom plate, the first rotating shaft rotatably arranged with
In the briquetting or it is arranged between the bottom plate and the briquetting.
3. the multiaxis according to claim 2 for composite material is layered self-locking tensioning equipment, which is characterized in that described
After the first end of subband is wound into the first rotating shaft, the every first rotating shaft is rotated so that be wound into described in every
The tensile force of the subband in first rotating shaft is identical.
4. the multiaxis according to claim 3 for composite material is layered self-locking tensioning equipment, which is characterized in that described the
Second shaft is provided in two fixing ends, the second end of the composite material tape is wound into second shaft.
5. the multiaxis according to claim 4 for composite material is layered self-locking tensioning equipment, which is characterized in that the bottom
The first groove is provided on plate, the first rotating shaft is mounted in first groove.
6. the multiaxis according to claim 5 for composite material is layered self-locking tensioning equipment, which is characterized in that the pressure
The second groove being aligned with first groove location is provided on block, the first rotating shaft is mounted on first groove and institute
In the hole for stating the formation of the second groove.
7. the multiaxis according to claim 6 for composite material is layered self-locking tensioning equipment, which is characterized in that the pressure
Jackscrew is provided on block, in a state that the subband is tensioned, the jackscrew can abut against in the first rotating shaft and because
This fixes the first rotating shaft.
8. the multiaxis according to claim 7 for composite material is layered self-locking tensioning equipment, which is characterized in that described the
One shaft is that the outer surface of polygon cylinder and/or the first rotating shaft is provided with anti-skid chequer so that the first rotating shaft
It can not be rotated when being abutted against by the jackscrew.
9. the multiaxis according to claim 8 for composite material is layered self-locking tensioning equipment, which is characterized in that described the
One fixing end further includes the first pressing plate, and first pressing plate is fixed to by structure glue on the bottom plate, so as to by described first
Shaft and the composite material tape are clipped between first pressing plate and the bottom plate.
10. the multiaxis according to claim 9 for composite material is layered self-locking tensioning equipment, which is characterized in that described
Gap is both provided in first rotating shaft and/or second shaft, the composite material tape passes through the gap and is wrapped in institute
It states in first rotating shaft and/or second shaft, and then consolidated by structure glue and the first rotating shaft and/or second shaft
Fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610790346.5A CN106192780B (en) | 2016-08-31 | 2016-08-31 | Self-locking tensioning equipment is layered for the multiaxis of composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610790346.5A CN106192780B (en) | 2016-08-31 | 2016-08-31 | Self-locking tensioning equipment is layered for the multiaxis of composite material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106192780A CN106192780A (en) | 2016-12-07 |
| CN106192780B true CN106192780B (en) | 2018-06-08 |
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ID=58085608
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610790346.5A Active CN106192780B (en) | 2016-08-31 | 2016-08-31 | Self-locking tensioning equipment is layered for the multiaxis of composite material |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100265697B1 (en) * | 1998-05-07 | 2000-09-15 | 한만엽 | Anchoring method and apparatus for improving end bearing structure in external prestress reinforcement |
| CN101929250A (en) * | 2010-09-01 | 2010-12-29 | 中南大学 | Method for applying pre-stress to fiber sheet by using multiple parallel rods |
| CN201695347U (en) * | 2010-06-29 | 2011-01-05 | 程东辉 | Prestress carbon fiber sheet stretch-draw device |
| CN203782980U (en) * | 2014-01-14 | 2014-08-20 | 华北水利水电大学 | Double-flat-plate type anchorage device for prestressed carbon fiber sheets |
| CN105064224A (en) * | 2015-09-02 | 2015-11-18 | 山东大学 | Device and method for tensioning and reinforcing double layers of pre-stress carbon fiber sheet at same time |
| CN105781140A (en) * | 2016-04-08 | 2016-07-20 | 广东工业大学 | Self-anchored pre-stressed fiber reinforced composite cloth based concrete strengthening device and method |
| CN206070398U (en) * | 2016-08-31 | 2017-04-05 | 刘平原 | For the multiaxis layering self-locking tensioning equipment of composite |
-
2016
- 2016-08-31 CN CN201610790346.5A patent/CN106192780B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100265697B1 (en) * | 1998-05-07 | 2000-09-15 | 한만엽 | Anchoring method and apparatus for improving end bearing structure in external prestress reinforcement |
| CN201695347U (en) * | 2010-06-29 | 2011-01-05 | 程东辉 | Prestress carbon fiber sheet stretch-draw device |
| CN101929250A (en) * | 2010-09-01 | 2010-12-29 | 中南大学 | Method for applying pre-stress to fiber sheet by using multiple parallel rods |
| CN203782980U (en) * | 2014-01-14 | 2014-08-20 | 华北水利水电大学 | Double-flat-plate type anchorage device for prestressed carbon fiber sheets |
| CN105064224A (en) * | 2015-09-02 | 2015-11-18 | 山东大学 | Device and method for tensioning and reinforcing double layers of pre-stress carbon fiber sheet at same time |
| CN105781140A (en) * | 2016-04-08 | 2016-07-20 | 广东工业大学 | Self-anchored pre-stressed fiber reinforced composite cloth based concrete strengthening device and method |
| CN206070398U (en) * | 2016-08-31 | 2017-04-05 | 刘平原 | For the multiaxis layering self-locking tensioning equipment of composite |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106192780A (en) | 2016-12-07 |
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Effective date of registration: 20191120 Address after: No. 220, gaoerji Road, Xigang District, Dalian, Liaoning Patentee after: Fashida (Dalian) Industrial Group Co.,Ltd. Address before: 201500 room 40388, building 3, 1800 Panyuan Road, Changxing Town, Chongming District, Shanghai (Shanghai Taihe Economic Development Zone) Patentee before: Shanghai chuangjiong enterprise management consulting service center Effective date of registration: 20191120 Address after: 201500 room 40388, building 3, 1800 Panyuan Road, Changxing Town, Chongming District, Shanghai (Shanghai Taihe Economic Development Zone) Patentee after: Shanghai chuangjiong enterprise management consulting service center Address before: 100102, E, block 2802, Jinyu international, No. 48, Wangjing West Road, Beijing, Chaoyang District Patentee before: Liu Pingyuan |