CN201874244U - Device used for transporting and pouring concrete - Google Patents
Device used for transporting and pouring concrete Download PDFInfo
- Publication number
- CN201874244U CN201874244U CN2010206292814U CN201020629281U CN201874244U CN 201874244 U CN201874244 U CN 201874244U CN 2010206292814 U CN2010206292814 U CN 2010206292814U CN 201020629281 U CN201020629281 U CN 201020629281U CN 201874244 U CN201874244 U CN 201874244U
- Authority
- CN
- China
- Prior art keywords
- hopper
- concrete
- drain hole
- gate
- vibrator
- 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.)
- Expired - Lifetime
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 88
- 239000000725 suspension Substances 0.000 claims description 17
- 238000010276 construction Methods 0.000 abstract description 35
- 239000000463 material Substances 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 2
- 238000007664 blowing Methods 0.000 description 30
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005204 segregation Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 241001669679 Eleotris Species 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- DWRKFAJEBUWTQM-UHFFFAOYSA-N etaconazole Chemical compound O1C(CC)COC1(C=1C(=CC(Cl)=CC=1)Cl)CN1N=CN=C1 DWRKFAJEBUWTQM-UHFFFAOYSA-N 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model discloses a device used for transporting and pouring concrete, which belongs to the field of a carrying device. The device used for transporting and pouring concrete comprises a hopper, hanging rings arranged at the bottom of the hopper and chain hoists arranged on the top of the side wall of the hopper, wherein the lower end of the hopper is provided with two discharge holes, the outer walls of the discharge holes are provided with vibrators, the discharge holes are provided with gates which are connected with the discharge holes through hinges, the sides of the gates opposite to the hinges are connected with chains, the chains penetrate through the hanging rings to be linked with the chain hoists, and the edge of the top of the hopper is provided with lifting ropes. The device used for transporting and pouring concrete has a simple structure and high working efficiency, is easy to operate, and discharges materials uniformly, the change of a track state after discharge is small so as to ensure the safety of constructors, and the construction noise is small.
Description
Technical field
The utility model relates to a kind of carrying apparatus, the concrete device of particularly a kind of loading.
Background technology
At present, along with China's rapid development of economy, domestic each large and medium-sized urban population increases suddenly, and life of urban resident rhythm is more and more faster, and single ground public transit system can not satisfy the growing needs in city.For this reason, Construction of Urban Rail Traffic is put on new schedule again, shifts to medium-sized city gradually from single large size city, pursues into gesture in full flourish.For alleviating the traffic pressure of urban ground growing tension, the Construction of Urban Rail Traffic construction period is more and more nervous, and construction standard is more and more higher, and train running speed is more and more faster, offers row and gets more and more.The concrete road bed primary structure thing during as train operation of track, railway roadbed concrete pouring quality and time are the big crucial of Construction of Urban Rail Traffic cycle.
Track in the Construction of Urban Rail Traffic is concrete road bed to be that train is lasting, the key of even running, is the most important condition that guarantees train operation.Along with the Construction of Urban Rail Traffic construction technology is constantly reformed, the dissimilar fastener railway roadbed in different locations has appearred, for example: the higher steel spring floating slab railway roadbed of damping property, Vangard fastener vibration-damping ballast, the medium vibration-damping ballast of GJ-III, ladder shape damper rail railway roadbed etc., its railway roadbed sleeper has carried out widening, thickening according to the different performance of fastener, or adopts fastener not have the pillow railway roadbed.Railway roadbed concreting is as the pass key control operation of city rail construction, how to guarantee concrete rapidly and efficiently, the construction that ensures safety of guaranteeing the quality is the key factor that city rail is opened on schedule.
At present, the technology that is adopted during concreting is to adopt hopper transportation concrete, and transportation is manually opened feed hopper bottom blowing gate with hand hammer when putting in place, knocks the hopper both sides and finishes concrete blowing process.The weak point of its existence is: concrete impact railway roadbed template reaches the track that accurate adjustment is finished during (1) blowing, very easily causes the variation of template deformation and track geometry status, influences railway roadbed moulding and track geometry status.(2) can not rationally control dispensing speed and blowing quantity, concrete is gone out the railway roadbed template easily, increases concrete secondary transhipment quantity; The operating personnel enters hopper cleaning clout and knocks hopper in both sides asymmetric, even, causes the instability of track-laying vehicle and rail circuit easily, leads to security incident.(3) concrete carries out long-distance transportation and is easy to generate segregation in hopper, aggregate is deposited on feed hopper bottom in transportation, more concentrated behind the blowing, cause concrete slump not meet design requirement, and make railway roadbed produce cavity and crackle easily, have a strong impact on concrete pouring quality and organoleptic quality.(4) manually knock the hopper blowing and increase operating personnel's labour intensity, have a strong impact on labor productivity, and construction noise is bigger.
The utility model content
Goal of the invention of the present utility model is: at the problem of above-mentioned existence, provide a kind of concrete that is used for simple in structure, easy and simple to handle, high efficiency to transport and the device of building, adopt this device, blowing is even, track condition changes little behind the blowing, guarantee constructor's personal safety, construction noise is little.
The technical solution adopted in the utility model is as follows:
Concrete transportation and the device of building of being used for of the present utility model, it comprises hopper, be arranged at the suspension ring of feed hopper bottom and be arranged at the chain block at hopper side wall top, the lower end of described hopper is provided with two drain holes, the outer wall of drain hole is provided with vibrator, drain hole is provided with gate, and gate is connected with drain hole by hinge, is connected with chain on the gate limit relative with hinge, chain passes suspension ring and links with chain block, and the top sides of hopper is along being provided with lifting rope.
Owing to adopted said structure, hopper itself can carry a large amount of concrete, two drain holes are set in the bottom of hopper, be convenient to when blowing, be put into equably on the railway roadbed mould, less impact can be worked by two drain holes simultaneously together, reduce the time of a hopper blowing, increased efficient; The outer wall of drain hole is provided with vibrator, by the vibration force that vibrator produces, concrete residual in the funnel is expected all to have put, and in the process of blowing, the concrete in the hopper is mixed; According to the job site actual conditions, utilize the open and close vibrator rationally to control to the concrete dispensing speed.Opening the vibrator that is installed in the bottom after the concrete blowing is finished can all put residual concrete in the hopper automatically, need not to dispose available manpower to enter to carry out the concrete cleaning in the hopper, saves labour cost, reduces the concrete waste.Drain hole is provided with gate, gate is connected with drain hole by hinge, be connected with chain on the gate limit relative with hinge, the action of gravity of concrete self is on valve, switching that can be by the chain regulating gate, and the angle opened of by-pass valve control, thus the amount of blowing and the speed of blowing can be controlled, make blowing even, avoid impact the railway roadbed mould; Utilization pulls the chain block blowing, reduce the construction operation personnel labor intensity, and can rationally control the concrete dispensing speed, when reducing the concrete blanking to the impact of track, template, track condition changes after avoiding concreting to finish, and reduces track geometry status and adjusts for the second time; At any time can control concrete blowing quantity, speed, secondary man-handling of materials behind the minimizing concrete blowing, accelerating construction progress reduces construction cost.Chain passes suspension ring that are arranged at feed hopper bottom and the chain block that is arranged at the hopper side wall top and links, and the top sides of hopper is along being provided with lifting rope.By stretching of chain block control chain, feasible accurately easy, safe and reliable to the control of gate, the lifting rope at hopper top is convenient to the transportation of hopper.
Concrete transportation and the device of building of being used for of the present utility model, described drain hole is funnel-form, and described vibrator is a form vibrator.
Owing to adopted said structure, described drain hole is funnel-form, makes that the concrete in the hopper is distributed to around the funnelform drain hole the power of gate, has guaranteed the safe and reliable of gate; Described vibrator is a form vibrator, makes vibrator can be attached to the drain hole sidewall, the concrete that advanced drain hole is vibrated, to hopper internal delivery vibration force.
Described suspension ring are arranged at below the feed hopper bottom, and flush with drain hole.
Suspension ring flush with drain hole, are beneficial to the chain block suspension hook and are connected with gate.
Described chain block top is provided with baffle plate.
The chain block top is provided with baffle plate, places concrete attached on the chain block, influences the flexible performance of chain block.
In sum, owing to adopted technique scheme, the beneficial effects of the utility model are:
1, utilization pulls the chain block blowing, reduce the construction operation personnel labor intensity, and can rationally control the concrete dispensing speed, when reducing the concrete blanking to the impact of track, template, track condition changes after avoiding concreting to finish, and reduces track geometry status and adjusts for the second time; At any time can control concrete blowing quantity, speed, secondary man-handling of materials behind the minimizing concrete blowing, accelerating construction progress reduces construction cost.
2,, utilize the open and close vibrator rationally to control to the concrete dispensing speed according to the job site actual conditions.Opening the vibrator that is installed in the bottom after the concrete blowing is finished can all put residual concrete in the hopper automatically, need not to dispose available manpower to enter to carry out the concrete cleaning in the hopper, saves labour cost, reduces the concrete waste.
3, utilize after avoiding the concrete blowing to finish and manually strike, pound hopper cleaning concrete, prolong hopper application life, the used time of hopper is knocked in saving, and track-laying vehicle is walked the stability of line when guaranteeing concrete construction, potential safety hazard when reducing concrete construction greatly reduces construction noise simultaneously.
4, the attached vibrator of feed hopper bottom is when vibration, can solve because of the long segregation that produces of concrete haulage time, segregating concrete is reconfigured, reach the slump of designing requirement, improve concrete construction quality, be particularly suitable for concrete long apart from pouring construction.
Description of drawings
Fig. 1 is the front view of the device that is used for the concrete transportation and builds of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the left view of Fig. 1.
Mark among the figure: 1-chain block, 2-lifting rope, 3-form vibrator, 4-suspension ring, 5-gate, 6-hopper, 7-drain hole.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is done detailed explanation.
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As Fig. 1, Fig. 2, shown in Figure 3, concrete transportation and the device of building of being used for of the present utility model, comprise hopper 6, the lower end of described hopper 6 is provided with two and is funnelform drain hole 7, the outer wall of drain hole 7 is provided with form vibrator 3, drain hole 7 is provided with gate 5, gate 5 is connected with drain hole 7 by hinge, be connected with chain on gate 5 limits relative with hinge, chain passes suspension ring 4 that are arranged at hopper 6 bottoms and the chain block 1 that is arranged at hopper 6 top side wall and links, and described suspension ring 4 are arranged at below hopper 6 bottoms, and flush with drain hole 7, the top sides of hopper 6 is along being provided with lifting rope 2, and described chain block 1 top is provided with baffle plate.
Concrete transportation and the device of building of being used for of the present utility model, the 75# angle steel that its hopper 6 adopts long 3m, 1.2m, 1.1m respectively 4 respectively as the length of hopper 6, be welded to each other as its agent structure skeleton, adopting thickness around the hopper 6 is that the steel plate of 4mm welds as hopper 6 walls with the 75# angle steel skeleton, wall becomes the scissors shape to hopper 6 reinforcement of welds with the 50# angle steel, and hopper 6 design gross weights are 1T.Hopper 6 bottoms are with second-class 2 of the drain holes that set up separately of hopper 6 length overalls, and drain hole 7 is made into funnel shaped bell mouth shape, and length and width is gradually changed to 0.8m*0.6m by 1.5m*1.2m, change in elevation 0.25m, and the bottom is concordant with hopper 6 bottoms.5 two at gate is established in drain hole 7 bottoms, and drain hole 7 and gate 5 adopt the 12mm steel plate.Drain hole 7 and gate 5 adopts hinges to be connected, and gate 5 is established suspension ring by bucket front, and suspension ring stretch out hopper 0.2m, flush with drain hole 7, are beneficial to the chain block suspension hook and are attached thereto.Material drain system pulls chain block 1 by 2 covers that are installed in 2 of hopper 6 bottom infundibulate horn mouth outer walls (every drain hole 7 each one) form vibrators 3 and are installed in hopper 6 two ends top side wall and forms, chain block 1 top is 0.4m*0.3m steel plate and hopper 6 welding with the thick length and width of 5mm, form baffle plate, prevent concrete attached on the chain block, influence the flexible performance of chain block 1.Chain passes suspension ring 4 by chain block 1 and is connected with gate 5, can be by control chain block 1 regulating gate 5.
Concrete transportation and the device of building of being used for of the present utility model, its construction using method is as follows:
(1) closes hopper 6 bottom blowing gates 5, tangle gate 5, pull chain block 1, locking drain hole 7 with the suspension hook of chain block 1.
(2) hopper 6 dress concrete, till hopper 6 is filled, every bucket dress concrete 3m3, gross weight 75KN.Utilize railcar that hopper 6 is transported to the construction operation face, utilize that the 10T track-laying vehicle lifts concrete hopper 6 to the construction operation zone in the hole.
(3) connect power supply, open the form vibrator 3 that is positioned at hopper 6 bottoms, make by vibration that aggregate reconfigures in hopper 6 inner concretes; Pull chain block 1, utilize the concrete self gravitation, open drain hole 7, pull chain block 1 control dispensing speed and blowing quantity according to each position concrete quantity required.
(4) open the form vibrator 3 of hopper 6 after every bucket concreting is finished once more, the vibration force of utilizing vibrator to produce has all been put residual concrete clout in the hopper 6, closes the gate 5 of drain hole 7, with hopper 6 return trajectory flat cars, enter next circulating coagulation soil and build.
Concrete transportation and the device of building of being used for of the present utility model, utilization pulls chain block 1 blowing, reduce the construction operation personnel labor intensity, and can rationally control the concrete dispensing speed, when reducing the concrete blanking to the impact of track, template, track condition changes after avoiding concreting to finish, and reduces track geometry status and adjusts for the second time; At any time can control concrete blowing quantity, speed, secondary man-handling of materials behind the minimizing concrete blowing, accelerating construction progress reduces construction cost.According to the job site actual conditions, utilize the open and close vibrator rationally to control to the concrete dispensing speed.Opening the vibrator that is installed in the bottom after the concrete blowing is finished can all put residual concrete in the hopper automatically, need not to dispose available manpower to enter to carry out the concrete cleaning in the hopper, saves labour cost, reduces the concrete waste.Utilize after avoiding the concrete blowing to finish and manually strike, pound hopper cleaning concrete, prolong hopper application life, save and knock the used time of hopper, and track-laying vehicle is walked the stability of line when guaranteeing concrete construction, potential safety hazard when reducing concrete construction greatly reduces construction noise simultaneously.The attached vibrator of feed hopper bottom is when vibration, can solve because of the long segregation that produces of concrete haulage time, segregating concrete is reconfigured, reach the slump of designing requirement, improve concrete construction quality, be particularly suitable for concrete long apart from pouring construction.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (4)
1. one kind is used for concrete transportation and the device of building, it is characterized in that: it comprises hopper (6), be arranged at the suspension ring (4) of hopper (6) bottom and be arranged at the chain block (1) of hopper (6) top side wall, the lower end of described hopper (6) is provided with two drain holes (7), the outer wall of drain hole (7) is provided with vibrator, drain hole (7) is provided with gate (5), gate (5) is connected with drain hole (7) by hinge, the gate relative with hinge (5) is connected with chain on the limit, chain passes suspension ring (4) and links with chain block (1), and the top sides of hopper (6) is along being provided with lifting rope (2).
2. concrete transportation and the device of building of being used for as claimed in claim 1, it is characterized in that: described drain hole (7) is funnel-form, and described vibrator is form vibrator (3).
3. concrete transportation and the device of building of being used for as claimed in claim 1, it is characterized in that: described suspension ring (4) are arranged at below hopper (6) bottom, and flush with drain hole (7).
4. concrete transportation and the device of building of being used for as claimed in claim 1, it is characterized in that: described chain block (1) top is provided with baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206292814U CN201874244U (en) | 2010-11-29 | 2010-11-29 | Device used for transporting and pouring concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206292814U CN201874244U (en) | 2010-11-29 | 2010-11-29 | Device used for transporting and pouring concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201874244U true CN201874244U (en) | 2011-06-22 |
Family
ID=44162169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206292814U Expired - Lifetime CN201874244U (en) | 2010-11-29 | 2010-11-29 | Device used for transporting and pouring concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201874244U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102505586A (en) * | 2012-01-04 | 2012-06-20 | 中铁二局股份有限公司 | Construction method of low-shrinkage and self-compacting concrete |
| CN102518313A (en) * | 2011-12-08 | 2012-06-27 | 北京联合大学 | Assembly type sliding trolley |
| CN104790671A (en) * | 2015-05-19 | 2015-07-22 | 江苏金麟建设工程有限公司 | Auxiliary hopper for well chamber wall concreting |
| CN106645661A (en) * | 2016-12-27 | 2017-05-10 | 中建商品混凝土有限公司 | Testing device and testing method of building performance of 3D print material of building |
| CN107245916A (en) * | 2017-06-29 | 2017-10-13 | 中铁局集团有限公司 | Subgrade of metro, which is poured, uses concrete conveyance case |
| CN111997372A (en) * | 2020-08-31 | 2020-11-27 | 中交第二航务工程局有限公司 | Hoisting material distribution hopper |
-
2010
- 2010-11-29 CN CN2010206292814U patent/CN201874244U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518313A (en) * | 2011-12-08 | 2012-06-27 | 北京联合大学 | Assembly type sliding trolley |
| CN102518313B (en) * | 2011-12-08 | 2014-03-19 | 北京联合大学 | Assembly type sliding trolley |
| CN102505586A (en) * | 2012-01-04 | 2012-06-20 | 中铁二局股份有限公司 | Construction method of low-shrinkage and self-compacting concrete |
| CN104790671A (en) * | 2015-05-19 | 2015-07-22 | 江苏金麟建设工程有限公司 | Auxiliary hopper for well chamber wall concreting |
| CN106645661A (en) * | 2016-12-27 | 2017-05-10 | 中建商品混凝土有限公司 | Testing device and testing method of building performance of 3D print material of building |
| CN106645661B (en) * | 2016-12-27 | 2019-07-12 | 中建商品混凝土有限公司 | A kind of building 3D printing material builds the test device and test method of performance |
| CN107245916A (en) * | 2017-06-29 | 2017-10-13 | 中铁局集团有限公司 | Subgrade of metro, which is poured, uses concrete conveyance case |
| CN111997372A (en) * | 2020-08-31 | 2020-11-27 | 中交第二航务工程局有限公司 | Hoisting material distribution hopper |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201874244U (en) | Device used for transporting and pouring concrete | |
| CN208280965U (en) | Coal mine deep well tunnel smooth surface concrete spraying support structure | |
| CN104594173A (en) | Rail holding type electromagnetic suspension track traffic box girder | |
| CN208346567U (en) | A kind of full-prefabricated assembled concrete shipping suspension type monorail structure | |
| CN108505406A (en) | A kind of full-prefabricated assembled concrete shipping suspension type monorail structure | |
| CN103911922B (en) | A kind of railway self-compacting concrete moves bottler placer | |
| CN102425389A (en) | Bore-bottom slag removing method for cast-in-place pipe bore in underground river, slag taking-out barrel and slag-removing blowing system | |
| CN202730579U (en) | Recyclable prefabricated concrete block for hardening construction plant | |
| CN104532754A (en) | Prestress concrete box girder end sealing formwork construction method | |
| CN205443834U (en) | Novel reinforced concrete prefabricated section | |
| CN102425110A (en) | Cast-in-situ concrete construction method for full section of urban overpass box girder | |
| CN110080807A (en) | A kind of lining of tunneling Subway Tunnel big cross section stop line two new type formwork trolley | |
| CN102704360B (en) | Construction method for ballastless track base plate | |
| CN202031330U (en) | Buffer device for concrete chute | |
| CN206872269U (en) | Caisson ballast lifts tank | |
| CN104821534A (en) | Side channel cable trough combined body, preparation method and side channel cable trough combined structure | |
| CN205636746U (en) | A device that is used for power station underground factory building concrete to put in storage fast | |
| CN206448534U (en) | One kind suspension movable folding type concrete chute | |
| CN209307801U (en) | A kind of railroad crossing mouth structure | |
| CN204869175U (en) | Y shape precast reinforced concrete stake mould | |
| CN206048484U (en) | A kind of lightweight plate pours device | |
| CN209271631U (en) | A kind of novel building refuse breaking dedicated buffering material-receiving device | |
| CN208996026U (en) | Pile structure under a kind of intectate geological conditions | |
| CN208467248U (en) | A kind of ladle tank bottom working lining distributed architecture | |
| CN202766936U (en) | Multifunctional transporting device for ballastless track base plate construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Yuanxu Inventor after: Li Gang Inventor after: Yang Zhijun Inventor after: Fang Xuewen Inventor after: Li Tao Inventor before: Chen Yuanxu Inventor before: Li Gang Inventor before: Yang Zhiyun Inventor before: Fang Xuewen Inventor before: Li Tao |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: CHEN YUANXU LI GANG YANG ZHIYUN FANG XUEWEN LI TAO TO: CHEN YUANXU LI GANG YANG ZHIJUN FANG XUEWEN LI TAO |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160104 Address after: Jinniu District Kam Tong Road Chengdu city Sichuan province 610031 No. 16 Patentee after: CHINA RAILWAY NO.2 BUREAU ENGINEERING Co.,Ltd. Address before: 610041, No. nine, No. 156, building B, high building, Xing Xing Road, Chengdu hi tech Zone, Sichuan Patentee before: CHINA RAILWAY ERJU Co.,Ltd. Patentee before: CHINA RAILWAY ERJU CORPORATION CHING ENGINEERING Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 16, Jinniu District Road, Jinniu District Road, Chengdu, Sichuan Patentee after: CHINA RAILWAY NO.2 ENGINEERING GROUP Co.,Ltd. Address before: No. 16, Jinniu District Road, Jinniu District Road, Chengdu, Sichuan Patentee before: CHINA RAILWAY NO.2 BUREAU ENGINEERING Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190203 Address after: No. 16, Jinniu District Road, Jinniu District Road, Chengdu, Sichuan Co-patentee after: CHINA RAILWAY ERJU CORPORATION CHING ENGINEERING Co.,Ltd. Patentee after: CHINA RAILWAY NO.2 ENGINEERING GROUP Co.,Ltd. Address before: No. 16, Jinniu District Road, Jinniu District Road, Chengdu, Sichuan Patentee before: CHINA RAILWAY NO.2 ENGINEERING GROUP Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110622 |