CN207597673U - Periphery overlaps precast floor slab unit and precast floor slab component - Google Patents

Periphery overlaps precast floor slab unit and precast floor slab component Download PDF

Info

Publication number
CN207597673U
CN207597673U CN201721430172.8U CN201721430172U CN207597673U CN 207597673 U CN207597673 U CN 207597673U CN 201721430172 U CN201721430172 U CN 201721430172U CN 207597673 U CN207597673 U CN 207597673U
Authority
CN
China
Prior art keywords
prefabricated component
floor slab
precast floor
laminate
cast
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.)
Active
Application number
CN201721430172.8U
Other languages
Chinese (zh)
Inventor
李青山
马云飞
李伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sany Construction Technology Co Ltd
Original Assignee
Sany Construction Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sany Construction Industry Co Ltd filed Critical Sany Construction Industry Co Ltd
Priority to CN201721430172.8U priority Critical patent/CN207597673U/en
Application granted granted Critical
Publication of CN207597673U publication Critical patent/CN207597673U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Bridges Or Land Bridges (AREA)

Abstract

The utility model is related to precast floor slab technical fields, precast floor slab unit and precast floor slab component are overlapped more particularly, to a kind of periphery, it is complex to alleviate building floor preparation process present in existing assembled technology, the required concrete scale of construction of cast in situs is larger, the technical issues of time-consuming, and cost is higher.Including prefabricated component substrate, prefabricated component laminate and framework of steel reinforcement;The prefabricated component laminate is located on the prefabricated component substrate and area is less than the prefabricated component substrate;The region that the prefabricated component laminate is surround on the prefabricated component substrate is cast-in-place area;The framework of steel reinforcement, which is plugged in the prefabricated component laminate and stretches out in the part of the prefabricated component laminate, is located at the cast-in-place area.The required concrete scale of construction of the utility model cast in situs is smaller, has saved manpower, has saved the time and advantage of lower cost.

Description

Periphery overlaps precast floor slab unit and precast floor slab component
Technical field
The utility model is related to precast floor slab technical field, more particularly, to a kind of periphery overlapping precast floor slab unit and in advance Floor component processed.
Background technology
The assembly method of traditional assembled architecture floor is:Bottom floor is prefabricated, and then scene is in prefabricated underlay floor Upper laying reinforced mesh is laid with reinforced mesh and carries out cast in situs after the completion.The preparation process of existing assembled architecture floor Complex, the required concrete scale of construction of cast in situs is larger, time-consuming, and cost is higher.
Utility model content
The purpose of this utility model is to provide a kind of periphery overlapping precast floor slab unit and precast floor slab component, to alleviate Building floor preparation process present in existing assembled technology is complex, the required concrete scale of construction of cast in situs compared with Greatly, the technical issues of time-consuming, and cost is higher.
In order to solve the above technical problems, technical solution provided by the utility model is:
A kind of periphery overlaps precast floor slab unit, including prefabricated component substrate, prefabricated component laminate and framework of steel reinforcement;It is described prefabricated Part laminate is located on the prefabricated component substrate and area is less than the prefabricated component substrate;Around described pre- on the prefabricated component substrate The region of product laminate is cast-in-place area;The framework of steel reinforcement is plugged in the prefabricated component laminate and stretches out in the prefabricated component laminate Part be located at the cast-in-place area.
Further, the framework of steel reinforcement runs through the prefabricated component laminate.
Further, the framework of steel reinforcement is stretched out from each side of the prefabricated component laminate.
Further, the framework of steel reinforcement from the prefabricated component laminate stretch out part be negative reinforcement.
Further, the edge of the prefabricated component substrate, which has, pours enclosing, for preventing pouring material outflow described existing Pour area.
Further, the prefabricated component substrate and the prefabricated component laminate are rectangle and center overlaps.
A kind of precast floor slab component is assembled by above-mentioned precast floor slab unit.
Further, the framework of steel reinforcement connection between the adjacent precast floor slab unit.
Further, it is provided with cast-in-site stripe between adjacent prefabricated component substrate.
Further, cast-in-place area is contour with the prefabricated component laminate after concreting.
With reference to above technical scheme, the advantageous effect that the utility model can reach is:
Periphery provided by the utility model overlaps precast floor slab unit, prefabricated component substrate pre-formed first and preform layer Plate, and to form step space between prefabricated component substrate and prefabricated component laminate, which is cast-in-place area.Framework of steel reinforcement from The edge of prefabricated component laminate extends to the direction far from the prefabricated component laminate.In an assembling process, adjacent precast floor slab list Framework of steel reinforcement connection between member, then in cast-in-place area's casting concrete, the concrete poured covers framework of steel reinforcement.With it is existing The mode of the concrete that the entire plane in upper strata is poured on the basis of bottom floor compare, the precast floor slab in the utility model It only needs to pour the concrete in cast-in-place area, the cast-in-place work of prefabricated component laminate, thus the required concrete of cast in situs is omitted The scale of construction is smaller, has saved manpower, has saved the time and advantage of lower cost.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution of the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness Under the premise of labour, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 is that the overall structure diagram of periphery overlapping precast floor slab unit that the utility model embodiment provides (includes Two precast floor slab units);
Fig. 2 is the assembled schematic diagram that the one of which periphery that the utility model embodiment provides overlaps precast floor slab unit;
Fig. 3 is the assembled schematic diagram that another periphery that the utility model embodiment provides overlaps precast floor slab unit;
Fig. 4 is the assembled schematic diagram that another periphery that the utility model embodiment provides overlaps precast floor slab unit.
Icon:100- prefabricated component laminates;200- prefabricated component substrates;300- frameworks of steel reinforcement;400- cast-in-site stripes.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality Novel protected range.
In the description of the present invention, it should be noted that term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation of the instructions such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only The utility model must have specific with the device or element for simplifying description rather than instruction or hint meaning for ease of description Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " the One ", " second ", " third " are only used for description purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified 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.For the ordinary skill in the art, can above-mentioned art be understood with concrete condition Concrete meaning of the language in the utility model.
Embodiment 1, embodiment 2 and embodiment 3 are described in detail below in conjunction with the accompanying drawings:
Embodiment 1
A kind of periphery overlapping precast floor slab unit is present embodiments provided, please refers to Fig. 1, including prefabricated component substrate 200, in advance Product laminate 100 and framework of steel reinforcement 300;Prefabricated component laminate 100 is located on prefabricated component substrate 200 and area is less than prefabricated component substrate 200;The region that prefabricated component laminate 100 is surround on prefabricated component substrate 200 is cast-in-place area;Framework of steel reinforcement 300 is plugged in preform layer It plate 100 and stretches out in the part of prefabricated component laminate 100 and is located at cast-in-place area.
Periphery provided in this embodiment overlaps precast floor slab unit, prefabricated component substrate 200 pre-formed first and prefabricated component Laminate 100 simultaneously causes formation step space between prefabricated component substrate 200 and prefabricated component laminate 100, which is cast-in-place area. Framework of steel reinforcement 300 is from the edge of prefabricated component laminate 100 to the direction extension far from prefabricated component laminate 100.In an assembling process, phase Framework of steel reinforcement 300 between adjacent precast floor slab unit connects, and then reproduces and pours area's casting concrete, and the concrete poured is by steel Tendons skeleton 300 covers.Compared with the mode of the existing concrete that the entire plane in upper strata is poured on the basis of bottom floor, this Precast floor slab in embodiment only needs to pour the concrete in cast-in-place area, and the cast-in-place work of prefabricated component laminate 100 is omitted, thus existing It is smaller that field pours the required concrete scale of construction, has saved manpower, has saved the time and advantage of lower cost.
In the alternative of the present embodiment, more preferably, framework of steel reinforcement 300 runs through prefabricated component laminate 100.Further Ground, framework of steel reinforcement 300 are stretched out from each side of prefabricated component laminate 100.Further, the slave prefabricated component of framework of steel reinforcement 300 The part that laminate 100 stretches out is negative reinforcement.
In the alternative of the present embodiment, more preferably, the edge of prefabricated component substrate 200, which has, pours fencing, is used for Prevent pouring material from flowing out cast-in-place area.
In the alternative of the present embodiment, more preferably, prefabricated component substrate 200 and prefabricated component laminate 100 are rectangle And center overlaps.
Embodiment 2
A kind of precast floor slab component is present embodiments provided, is assembled by the precast floor slab unit in multiple embodiments 1. Framework of steel reinforcement 300 between contiguous prefabricated floor panels connects.Further, it is set between adjacent prefabricated component substrate 200 There is cast-in-site stripe 400.Further, it is provided with cast-in-site stripe 400 between adjacent prefabricated component substrate 200.
The structure type of framework of steel reinforcement 300 in the present embodiment can set a variety of, hereby itemize as follows:
Mode one please refers to Fig. 2, and Fig. 2 is the one of which erection method schematic diagram of adjacent precast floor slab unit,
Framework of steel reinforcement 300 includes two groups of vertically disposed reinforcing bar groups;One of which reinforcing bar group passes through prefabricated component laminate 100 Two opposite sides and two free ends extend to the direction far from prefabricated component laminate 100, and transverse steel group is above-mentioned in Fig. 2 One of which reinforcing bar group, the part for being embedded in prefabricated component laminate 100 are not shown.Another group of reinforcing bar group passes through prefabricated component laminate 100 two opposite sides and two free ends extend to the direction far from prefabricated component laminate 100, vertical reinforcement group is in Fig. 2 Another group of above-mentioned reinforcing bar group, the part for being embedded in prefabricated component laminate 100 is not shown.
In the assembled state, the reinforcing bar group between adjacent prefabricated board is adjacent, passes through binding between corresponding reinforcing bar Reinforcing bar is fixed.Above-mentioned assembling reinforcement can select the common assembling reinforcement of those skilled in the art.Alternatively, corresponding reinforcing bar Between do not fixed by assembling reinforcement, only touch or proximate to.When carrying out pouring operation to cast-in-place area, concrete will Each reinforcing bar covering.
Mode two please refers to Fig. 3, and framework of steel reinforcement 300 includes one group of reinforcing bar group, and reinforcing bar group passes through prefabricated component laminate 100 simultaneously And two free end extend to the direction far from prefabricated component laminate 100, also, the length for stretching out in prefabricated component laminate 100 of reinforcing bar group Degree is more than the width in cast-in-place area.Two sides for being not provided with reinforcing bar group of prefabricated component laminate 100 are both provided with multiple mounting grooves, In the assembled state, the reinforcing bar in the reinforcing bar group of precast floor slab unit stretches into the mounting groove of adjacent precast floor slab unit.
In the assembled state, two adjacent precast floor slab units are arranged respectively with first orientation and second orientation, first The reinforcing bar group in orientation is vertical with the reinforcing bar group of second orientation.Fig. 3 is please referred to, the precast floor slab in left side is first orientation, wherein steel Muscle group lateral arrangement, the precast floor slab on right side is second orientation, and reinforcing bar group therein is vertically arranged.The steel of the precast floor slab in left side The direction of the precast floor slab of muscle group to the right is extended up in the mounting groove for stretching into right side precast floor slab.To prefabricated component substrate When 200 regions carry out cast-in-place operation, concrete covers each reinforcing bar so that forming the reinforcement skeleton of floor between each reinforcing bar.
Mode three please refers to Fig. 4, and framework of steel reinforcement 300 is mutually perpendicular to including two groups and adjacent reinforcing bar group, one of which steel One end of muscle group is embedded in prefabricated component laminate 100, and the other end extends to the direction far from prefabricated component laminate 100.For example, in Fig. 4 Transverse steel group be one of which reinforcing bar group.One end of another group of reinforcing bar group is embedded in prefabricated component laminate 100, and the other end is to remote Direction extension from prefabricated component laminate 100.For example, the vertical reinforcement group in Fig. 4 is another group of reinforcing bar group.Clearly as mode Prefabricated component laminate 100 is stretched out in reinforcing bar group only side in three, thus the length of the reinforcing bar group in mode three is less than mode one and side The length of reinforcing bar group in formula two.In addition, two sides for being not provided with reinforcing bar group of prefabricated component laminate 100 be both provided with it is multiple Mounting groove.
In the assembled state, the reinforcing bar in the reinforcing bar group of precast floor slab unit stretches into the installation of adjacent precast floor slab unit Slot is to connect left side precast floor slab unit and right side precast floor slab unit.Cast-in-place operation is being carried out to 200 region of prefabricated component substrate When, concrete covers each reinforcing bar so that forming the reinforcement skeleton of floor between each reinforcing bar.
In the alternative of the present embodiment, more preferably, pass through between the prefabricated component substrate 200 of adjacent floor panels Concrete cast-in-situ band 400 bonds.That is, during assembled adjacent floor panels, retain between adjacent floor panels There is gap, cast-in-place concrete is to realize the connection of adjacent precast floor slab unit in the gap, after the completion of the gap filling, The 200 top cast-in-place concrete of prefabricated component substrate simultaneously makes the contour of the height of cast-in-place concrete and intermediate preform laminate 100, so as to Form the floor of complete uniform height.
Precast floor slab component provided in this embodiment is assembled by multiple precast floor slab units, wherein,
The process for preparing precast floor slab unit is as follows:Prefabricated component substrate 200 pre-formed first and prefabricated component laminate 100 are simultaneously So that forming step space between prefabricated component substrate 200 and prefabricated component laminate 100, which is cast-in-place area.Framework of steel reinforcement 300 from the edge of prefabricated component laminate 100 to the direction extension far from prefabricated component laminate 100.
The process that assembling forms precast floor slab component is as follows:Framework of steel reinforcement 300 between adjacent precast floor slab unit connects It connects, then reproduces and pour area's casting concrete, the concrete poured covers framework of steel reinforcement 300.With existing in bottom floor On the basis of pour the entire plane in upper strata the mode of concrete compare.
What precast floor slab component provided in this embodiment can reach has the beneficial effect that:Precast floor slab in the present embodiment Component only needs to pour the concrete in cast-in-place area, and the cast-in-place work of prefabricated component laminate 100 is omitted, thus cast in situs is required The concrete scale of construction is smaller, has saved manpower, has saved the time and advantage of lower cost.
Embodiment 3
Present embodiments provide a kind of precast floor slab unit pours mold, including 100 mold of prefabricated component laminate and prefabricated 200 mold of part substrate, 100 mold of prefabricated component laminate are higher than 200 mold of prefabricated component substrate.Wherein, 100 mold of prefabricated component laminate and Four side integrally connecteds of 200 mold of prefabricated component substrate are detachably connected.Also, the setting of 100 mold of prefabricated component laminate is useful In the through-hole that the reinforcing bar of composition framework of steel reinforcement 300 passes through.In carrying out pouring operation process, reinforcing bar is according to the side in embodiment 1 The arrangement of formula one, mode two or mode three passes through the through-hole of 100 mold of prefabricated component laminate, then in prefabricated component laminate Preset height is poured in 100 molds to form prefabricated component laminate 100, in 200 mould of 100 mold of prefabricated component laminate and prefabricated component substrate The annular space formed between tool pours preset height to form prefabricated component substrate 200, and ensures the height of prefabricated component laminate 100 Higher than the height of prefabricated component substrate 200.After the completion of operation is poured, 100 mold of prefabricated component laminate is taken out so that preform layer The concrete of 200 contact area of plate 100 and prefabricated component substrate is fused into one, then curing molding.
Periphery provided in this embodiment overlaps precast floor slab unit, prefabricated component substrate 200 pre-formed first and prefabricated component Laminate 100 simultaneously causes formation step space between prefabricated component substrate 200 and prefabricated component laminate 100, which is cast-in-place area. Framework of steel reinforcement 300 can be arranged in cast-in-place area before prefabricated component laminate 100 is poured then pour middle part prefabricated component laminate 100 again until Its coagulation forming, and ensure that framework of steel reinforcement 300 prolongs from the edge of prefabricated component laminate 100 to the direction far from prefabricated component laminate 100 It stretches.In an assembling process, the framework of steel reinforcement 300 between adjacent precast floor slab unit connects, and then reproduction pours area and pours coagulation Soil, the concrete poured cover framework of steel reinforcement 300.With the existing upper strata entire plane of being poured on the basis of bottom floor The mode of concrete is compared, and the precast floor slab in the present embodiment only needs to pour the concrete in cast-in-place area, and prefabricated component laminate is omitted 100 cast-in-place work, thus the required concrete scale of construction of cast in situs is smaller, has saved manpower, save the time and into This is relatively low.
Finally it should be noted that:The above various embodiments is only to illustrate the technical solution of the utility model rather than it is limited System;Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should Understand:It can still modify to the technical solution recorded in foregoing embodiments either to which part or whole Technical characteristic carries out equivalent replacement;And these modifications or replacement, this practicality that it does not separate the essence of the corresponding technical solution are new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of periphery overlaps precast floor slab unit, which is characterized in that including prefabricated component substrate, prefabricated component laminate and reinforcing bar Frame;The prefabricated component laminate is located on the prefabricated component substrate and area is less than the prefabricated component substrate;The prefabricated component substrate The upper region for surrounding the prefabricated component laminate is cast-in-place area;The framework of steel reinforcement is plugged in the prefabricated component laminate and stretches out in institute The part for stating prefabricated component laminate is located at the cast-in-place area.
2. precast floor slab unit according to claim 1, which is characterized in that the framework of steel reinforcement runs through the preform layer Plate.
3. precast floor slab unit according to claim 1, which is characterized in that the framework of steel reinforcement is from the prefabricated component laminate Each side stretch out.
4. precast floor slab unit according to claim 3, which is characterized in that the framework of steel reinforcement from the preform layer The part that plate stretches out is negative reinforcement.
5. precast floor slab unit according to claim 1, which is characterized in that the edge of the prefabricated component substrate, which has, to be poured Enclosing, for preventing pouring material from flowing out the cast-in-place area.
6. precast floor slab unit according to claim 1, which is characterized in that the prefabricated component substrate and the preform layer Plate is rectangle and center overlaps.
7. a kind of precast floor slab component, which is characterized in that by multiple such as claim 1-6 any one of them precast floor slab units Assemble.
8. precast floor slab component according to claim 7, which is characterized in that the steel between the adjacent precast floor slab unit Tendons skeleton connects.
9. precast floor slab component according to claim 7, which is characterized in that be provided between adjacent prefabricated component substrate existing Pour band.
10. precast floor slab component according to claim 8 or claim 9, which is characterized in that cast-in-place area after concreting with institute It is contour to state prefabricated component laminate.
CN201721430172.8U 2017-10-30 2017-10-30 Periphery overlaps precast floor slab unit and precast floor slab component Active CN207597673U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721430172.8U CN207597673U (en) 2017-10-30 2017-10-30 Periphery overlaps precast floor slab unit and precast floor slab component

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721430172.8U CN207597673U (en) 2017-10-30 2017-10-30 Periphery overlaps precast floor slab unit and precast floor slab component

Publications (1)

Publication Number Publication Date
CN207597673U true CN207597673U (en) 2018-07-10

Family

ID=62758312

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721430172.8U Active CN207597673U (en) 2017-10-30 2017-10-30 Periphery overlaps precast floor slab unit and precast floor slab component

Country Status (1)

Country Link
CN (1) CN207597673U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109281425A (en) * 2018-10-24 2019-01-29 江苏中南建筑产业集团有限责任公司 A kind of assembly concrete floor and its construction method
CN110847467A (en) * 2019-11-18 2020-02-28 三一筑工科技有限公司 Laminated prefabricated floor slab and construction method thereof
CN113123506A (en) * 2021-04-25 2021-07-16 重庆涛扬绿建科技有限公司 Prefabricated die-removal-free steel bar truss floor bearing plate based on uhpc and using method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109281425A (en) * 2018-10-24 2019-01-29 江苏中南建筑产业集团有限责任公司 A kind of assembly concrete floor and its construction method
CN110847467A (en) * 2019-11-18 2020-02-28 三一筑工科技有限公司 Laminated prefabricated floor slab and construction method thereof
CN113123506A (en) * 2021-04-25 2021-07-16 重庆涛扬绿建科技有限公司 Prefabricated die-removal-free steel bar truss floor bearing plate based on uhpc and using method

Similar Documents

Publication Publication Date Title
CN106013531B (en) The concrete shear wall structure based on 3D printing with concave convex texture
CN207597673U (en) Periphery overlaps precast floor slab unit and precast floor slab component
CN107100290A (en) A kind of prefabricated shear wall and overlapping plate node
CN106958186B (en) The construction method of bridge floor body, bridge and bridge
CN106368365B (en) Logical muscle formula reinforced concrete slab structure and its making and assembly method
CN208996314U (en) Color concrete superposed column
CN108005286A (en) A kind of construction method of the unidirectional overlapping floorboard of assembled architecture
CN108166531A (en) Basic alter-pouring strips mould plate and the construction method for pouring post-cast strip
CN105040732A (en) Prefabricated type reinforced concrete underground comprehensive pipe gallery and production mold thereof
CN204919605U (en) Prefabricated assembled reinforced concrete utility tunnel and production mould thereof
CN208167548U (en) Forming panel is used in a kind of segmentation disposal molding construction of box arch ring
CN110258878A (en) Stealthy beam assembled disassembly-free heat-insulation floor construction
CN106088583B (en) Construction ceiling Concrete Double mode structure
CN107975165A (en) Overlap wall body structure and preparation method thereof
CN208685794U (en) Vertically concrete frame structure body and book moulding body are overlapped with horizontal entirety
CN107083776A (en) A kind of basement raft foundation rear pouring tape construction method
CN206873734U (en) With the prefabricated shear wall and overlapping plate node of Combined grouting sleeve connection
CN203876017U (en) Precast concrete mold and concrete slab manufactured with same
CN207224230U (en) For pouring the sectional die and precast wall body structure of precast wall body
CN206840385U (en) A kind of prefab-form splicing frock of large volume tongue and groove box culvert
CN110027110A (en) A kind of ring fastening type floats wall prefabricated mould and method for prefabricating outside window
CN205677083U (en) Assembled EPS block combiner plate connecting bridge
CN107938891A (en) Overlap wall body structure and preparation method thereof
CN208428440U (en) Simple mould for precast concrete cover plate
CN207211467U (en) A kind of combined type floor support plate constructing structure for steel building

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address

Address after: 102200 1st floor, building 6, No.8 Beiqing Road, Huilongguan town, Changping District, Beijing

Patentee after: Sany Construction Technology Co.,Ltd.

Address before: 102206, Beijing Changping District Huilongguan North Road 31 Industrial Park

Patentee before: SANY CONSTRUCTION TECHNOLOGY Co.,Ltd.

CP03 Change of name, title or address