CN113290705B - Aggregate batching system of concrete mixing ship - Google Patents
Aggregate batching system of concrete mixing ship Download PDFInfo
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- CN113290705B CN113290705B CN202110584821.4A CN202110584821A CN113290705B CN 113290705 B CN113290705 B CN 113290705B CN 202110584821 A CN202110584821 A CN 202110584821A CN 113290705 B CN113290705 B CN 113290705B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/0422—Weighing predetermined amounts of ingredients, e.g. for consecutive delivery
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/06—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/06—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
- B28C7/067—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors by means of stationary hoppers, chambers or bins from which the material is fed gravitationally, e.g. having agitating means therein
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C9/00—General arrangement or layout of plant
- B28C9/02—General arrangement or layout of plant for producing mixtures of clay or cement with other materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention discloses an aggregate batching system of a concrete mixer ship, which comprises four left and right wire batching weighing hoppers, left and right wire aggregate conveying belts, left and right wire elevators, left and right wire transfer conveying belts and left and right wire bending and head picking belt conveyors; the left and right aggregate conveyer belts are respectively arranged below the four left and right batching weighing hoppers; the rear ends and the front ends of the left and right line secondary lifting machines are respectively positioned right in front of the front ends of the left and right line aggregate conveying belts and extend to the left and right line aggregate transition middle storage cabins; the left end and the right end of the left line transfer conveyer belt are respectively positioned above the rear ends of the left line hoister and the right line hoister; the left end and the right end of the right wire transfer conveying belt are respectively positioned above the rear parts of the left wire elevator and the right wire elevator; the rear ends of the left and right wire bending and head-picking belt conveyors are respectively connected with the front ends of the left and right wire aggregate conveying belts, and the front ends of the left wire bending and head-picking belt conveyors are respectively positioned above the left and right ends of the left and right wire transfer conveying belts. The invention can balance the consumption of the aggregates in the left and right aggregate cabins.
Description
Technical Field
The invention relates to an aggregate batching system of a concrete mixing ship.
Background
A concrete mixer ship, namely an engineering barge with a shipborne concrete mixing line, is a concrete production device mainly used for offshore construction projects such as sea crossing and river crossing bridges. Two sets of aggregate batching systems equipped for a common mixing ship respectively and independently batching and cannot realize left-right cross conveying, when a mixing host of a concrete production line breaks down suddenly, the production line can only stop swinging, and in order to keep the balance of the whole mixing ship, the other production line cannot produce all the time. In order to keep the mixer ship balanced, the two line materials must be consumed in balance.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an aggregate batching system of a concrete mixing ship, which can enable aggregates in a left line aggregate cabin and a right line aggregate cabin to be consumed in a balanced manner, thereby realizing continuous production of concrete.
The purpose of the invention is realized as follows: an aggregate batching system of a concrete mixer ship comprises a ship body, a concrete production system arranged in the middle of the ship body and a living building arranged at the rear part of the ship body; the concrete production system comprises a main mixing building and an aggregate building;
the main stirring building comprises a left line stirring chamber and a right line stirring chamber which are symmetrically arranged along the central axis of the ship body, and a common cement cabin and a common expanding agent cabin are arranged between the left line stirring chamber and the right line stirring chamber in tandem; the outer sides of the left and right linear stirring chambers are provided with a left and a right linear powder cabins in a one-to-one correspondence manner; a stirring deck, a weighing deck, a dust removing deck and a powder cabin top plate are respectively arranged in the left line stirring chamber and the right line stirring chamber from bottom to bottom; a left and a right aggregate transition middle storage cabins are arranged between the dedusting decks and the weighing decks corresponding to the left and the right stirring chambers in a one-to-one correspondence manner; the weighing decks corresponding to the left and right linear stirring chambers are provided with left and right linear powder metering devices in a one-to-one correspondence manner; the left and right wire stirring hosts are arranged on the stirring decks corresponding to the left and right wire stirring chambers in a one-to-one correspondence manner; the left and right line drag pumps are arranged on the main deck corresponding to the feed openings of the left and right line stirring hosts in a one-to-one correspondence manner; the aggregate building comprises a left aggregate chamber and a right aggregate chamber which are symmetrically arranged along the central axis of the ship body, and the left aggregate chamber and the right aggregate chamber are divided into four longitudinally arranged left aggregate chambers and four longitudinally arranged right aggregate chambers in a one-to-one correspondence manner; wherein the content of the first and second substances,
the aggregate batching system comprises a left line batching mechanism, a right line batching mechanism and a transfer batching mechanism;
the left and right wire batching mechanisms respectively comprise four left and right wire batching weighing hoppers, left and right wire aggregate conveying belts, and left and right wire elevators; the four left line batching weighing hoppers are arranged at the feed openings of the four left aggregate cabins in a one-to-one correspondence manner; the four right-line batching weighing hoppers are arranged at the feed openings of the four right aggregate cabins in a one-to-one correspondence manner; the left aggregate conveying belt is arranged on the cabin bottom below the four left aggregate weighing hoppers and is parallel to the central axis of the ship body; the right aggregate conveying belt is arranged on the cabin bottom below the four right batching weighing hoppers and is parallel to the central axis of the ship body; the left and right line hoister are parallel to the central axis of the ship body, the rear ends of the left and right line hoister are positioned right in front of the front ends of the left and right line aggregate conveyer belts in a one-to-one correspondence manner, and the front ends of the left and right line hoister extend to the left and right line aggregate transition middle storage cabin in a one-to-one correspondence manner;
the transfer batching mechanism comprises a left and a right line transfer conveyer belt and a left and a right line bending and head-picking belt conveyer which are arranged in parallel with the central axis of the ship body; the left end and the right end of the left line transfer conveyer belt are correspondingly positioned above the rear ends of the left line hoister and the right line hoister one by one; the right line transfer conveyer belt is arranged at the front side of the left line transfer conveyer belt, and the left end and the right end of the right line transfer conveyer belt are correspondingly positioned above the rear parts of the left line elevator and the right line elevator one by one; the rear ends of the left and right wire bending and head-picking belt conveyors are connected with the front ends of the left and right wire aggregate conveying belts in a one-to-one correspondence manner, the front end of the left wire bending and head-picking belt conveyor is positioned above the left end of the left wire transfer conveying belt, and the front end of the right wire bending and head-picking belt conveyor is positioned above the right end of the right wire transfer conveying belt.
The aggregate batching system of the concrete mixing ship is characterized in that the left transfer conveyor belt and the right transfer conveyor belt are both forward and reverse belt conveyors.
The technical scheme of the aggregate batching system of the concrete mixing ship has the following characteristics: the aggregate of left and right lines can be exchanged and used, the shared cement cabin and the shared expanding agent cabin are arranged between the left and right line stirring chambers to realize the adjustment and use of the left and right line stirring chambers, the unbalance loading phenomenon is prevented, and when a stirring host of one concrete production line breaks down, the aggregate of the original batching mechanism of the line can be consumed by the stirring host of the other concrete production line, and the aggregate of the batching mechanism on the other side can be consumed, so that the aggregate of the left and right line aggregate cabins is consumed in a balanced manner, and the continuous production of concrete is realized.
Drawings
FIG. 1 is a side view of an aggregate batching system for a concrete mixing vessel according to the present invention;
FIG. 2 is a plan view of an aggregate batching system for a concrete mixing vessel according to the present invention;
FIG. 3 is a view taken along line A-A of FIG. 1;
FIG. 4 is a view from the B-B direction in FIG. 1;
fig. 5 is a view from direction C-C in fig. 1.
Detailed Description
The invention will be further explained with reference to the drawings.
Referring to fig. 1 to 5, an aggregate batching system for a concrete mixer ship according to the present invention includes a hull 10, a concrete production system provided in the middle of the hull 10, and a building 40 provided at the rear of the hull 10; the concrete production system comprises a main mixing building 20 and an aggregate building 30.
The stirring main building 20 is provided with a top plate 2E and comprises a left stirring chamber 20A and a right stirring chamber 20B which are symmetrically arranged along the central axis of a ship body, a middle cement cabin 21 and an expanding agent cabin 22 are arranged between the left stirring chamber 20A and the right stirring chamber 20B in tandem, and dust removal decks 2D are arranged at the tops of the middle cement cabin 21 and the expanding agent cabin 22; the outer side of the left line stirring chamber 20A and the outer side of the right line stirring chamber 20B are correspondingly provided with a left line powder cabin 23A and a right line powder cabin 23B, and the top of the left line powder cabin 23A and the top of the right line powder cabin 23B are respectively provided with a dust removal deck 2D; the left line powder cabin 23A and the right line powder cabin 23B respectively store cement, fly ash, mineral powder and additives; a stirring deck 2B and a weighing deck 2C are respectively arranged in the left linear stirring chamber 20A and the right linear stirring chamber 20B from bottom to bottom; a left aggregate transition middle storage cabin 24A and a right aggregate transition middle storage cabin 24B are correspondingly arranged on the weighing deck 2C of the left line stirring chamber 20A and the weighing deck 2C of the right line stirring chamber 20B one by one; a left line powder metering device 25A and a right line powder metering device 25B are correspondingly arranged on the weighing deck 2C of the left line stirring chamber 20A and the weighing deck 2C of the right line stirring chamber 20B one by one; a left line stirring host 26A and a right line stirring host 26B are correspondingly arranged on the stirring deck 2B corresponding to the left line stirring chamber 20A and the right line stirring chamber 20B one by one, feed inlets of the left line stirring host 26A are respectively opposite to a feed opening of the left line aggregate transition middle storage cabin 24A and a feed opening of the left line powder metering device 25A, and feed inlets of the right line stirring host 26B are respectively opposite to a feed opening of the right line aggregate transition middle storage cabin 24B and a feed opening of the right line powder metering device 25B; a left line towing pump 27A and a right line towing pump 27B are correspondingly arranged on the main deck 2A corresponding to the feed opening of the left line stirring host machine 26A and the main deck 2A corresponding to the feed opening of the right line stirring host machine 26B. The discharge hole of the common cement cabin 21 and the discharge hole of the common expanding agent cabin 22 are respectively connected with the feed inlet of the left line powder metering device 25A and the feed inlet of the right line powder metering device 25B through a screw conveyer 28; the discharge port of the left line powder cabin 23A and the discharge port of the right line powder cabin 23B are respectively connected with the feed port of the left line powder metering device 25A and the feed port of the right line powder metering device 25B through screw conveyors 28 in a one-to-one correspondence manner.
The aggregate building 30 comprises a left line aggregate chamber and a right line aggregate chamber which are symmetrically arranged along the central axis of the ship body, and the left line aggregate chamber and the right line aggregate chamber are divided into four longitudinally arranged left line aggregate cabins 30a and right line aggregate cabins 30b in a one-to-one correspondence manner; four longitudinally disposed left and right aggregate compartments 30a, 30b store sand and gravel, respectively.
The aggregate batching system comprises a left line batching mechanism, a right line batching mechanism and a transfer batching mechanism; wherein the content of the first and second substances,
the left and right wire batching mechanisms respectively comprise four left wire batching weighing hoppers 41a, four right wire batching weighing hoppers 41b, a left wire aggregate conveying belt 42a, a right wire aggregate conveying belt 42b, a left wire elevator 44a and a right wire elevator 44 b; the four left-line batching weighing hoppers 41a are correspondingly arranged at the feed openings of the four left-line aggregate cabins 30a one by one; the four right-line batching weighing hoppers 41b are correspondingly arranged at the feed openings of the four right-line aggregate cabins 30b one by one; the left aggregate conveyer belt 42a is arranged on the cabin bottom below the four left batching weighing hoppers 41a and is parallel to the central axis of the ship body, and the right aggregate conveyer belt 42b is arranged on the cabin bottom below the four right batching weighing hoppers 41b and is parallel to the central axis of the ship body; the left line hoist 44A and the right line hoist 44B are both arranged in parallel with the central axis of the ship body, the rear ends of the left line hoist 44A and the right line hoist 44B are correspondingly positioned right in front of the front ends of the left line aggregate conveying belt 42a and the right line aggregate conveying belt 42B, and the front ends of the left line hoist 44A and the right line hoist 44B correspondingly extend to the left line aggregate transition middle storage cabin 24A and the right line aggregate transition middle storage cabin 24B; the left line elevator 44a and the right line elevator 44b are both flange inclined belt conveyors, and are provided with return belt conveyors, so that belt materials can be returned to the inclined belt conveyors; meanwhile, a vibrator is arranged on a material sliding plate of the inclined belt conveyor, so that sticky materials on the material sliding plate can be cleaned;
the transfer batching mechanism comprises a left line transfer conveying belt 45a, a right line transfer conveying belt 45b, a left line bending and head picking belt 43a and a right line bending and head picking belt 43b which are all arranged in parallel with the central axis of the ship body; the left transfer conveyor belt 45a and the right transfer conveyor belt 45b both adopt positive and negative transfer belt conveyors; the left end and the right end of the left line transfer conveyor belt 45a are positioned above the rear end of the left line hoist 44a and above the rear end of the right line hoist 44b in a one-to-one correspondence; the right wire transfer conveyor belt 45b is provided on the front side of the left wire transfer conveyor belt 45a, and the left end and the right end of the right wire transfer conveyor belt 45b are located above the rear portion of the left wire hoist 44a and above the rear portion of the right wire hoist 44b in one-to-one correspondence; the rear end of the left wire bending and head picking belt conveyor 43a and the rear end of the right wire bending and head picking belt conveyor 43b are correspondingly connected with the front ends of the left and right wire aggregate conveying belts 42a and 42b one by one, and the front end of the left wire bending and head picking belt conveyor 43a is positioned above the left end of the left wire transfer conveying belt 45 a; the front end of the right wire bending and head-picking belt conveyor 43b is positioned above the right end of the right wire transfer conveyor belt 45 b.
The working principle of the aggregate batching system of the concrete mixing ship is as follows: when the left and right wire stirring main machines 26A and 26B need to carry out normal aggregate batching, the left and right wire transfer conveyer belts 45a and 45B are positively rotated, aggregates in the four left and right wire aggregate cabins 30a and 30B correspondingly fall into the four left and right wire batching measuring hoppers 41a and 41B for measuring one by one, when a measured value reaches a set proportioning value, the aggregates are sequentially sent to the left and right wire bending and head-picking conveyer belts 43a and 43B and the left and right wire transfer conveyer belts 45a and 45B one by the left and right wire aggregate conveyer belts 42a and 42B, are sent to the left and right wire elevators 44A and 44B one by the left and right wire elevators 44A and 44B, and then are sent to the left and right wire aggregate transition storage cabins 24A and 24B one by the left and right wire transition conveying conveyer belts 45a and 45B, and enter the left and right wire transition storage cabins 24A and 24B blanking openings one by one, The concrete is stirred in the right-hand stirring main machines 26A and 26B. When the left line stirring main machine 26A breaks down, the left line transferring conveyor belt 45a rotates reversely, aggregates in the four left line aggregate chambers 30a are sequentially conveyed to the left line transferring conveyor belt 45a through the left line aggregate conveyor belt 42a and the left line bending head-picking conveyor belt 43a, conveyed to the right line elevator 44B through the left line transferring conveyor belt 45a, and then conveyed to the right line aggregate transition storage chamber 24B through the right line elevator 44B, so that the right line stirring main machine 26B consumes the aggregates in the four left line aggregate chambers 30a, and the right line stirring main machine 26B can also consume the aggregates in the four right line aggregate chambers 30B, thereby realizing the balanced consumption of the left line aggregate chambers and the right line aggregate chambers and realizing the continuous production of concrete. Similarly, when the right stirring main machine 26B fails, the right transfer conveyor belt 45B rotates reversely, aggregates in the four right aggregate chambers 30B are sequentially conveyed to the right transfer conveyor belt 45B by the right aggregate conveyor belt 42B and the right bending and head-picking conveyor belt 33B, conveyed to the left elevator 44A by the right transfer conveyor belt 45B, and then conveyed to the left aggregate transition storage chamber 24A by the left elevator 44A, the aggregates in the four right aggregate chambers 30B are consumed by the left stirring main machine 26A, and the aggregates in the four left aggregate chambers 30a can be consumed by the left stirring main machine 26A, so that balanced consumption of the left and right aggregate chambers is realized, and continuous production of concrete can be realized.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and therefore all equivalent technical solutions should also fall within the scope of the present invention, and should be defined by the claims.
Claims (1)
1. An aggregate batching system of a concrete mixer ship comprises a ship body, a concrete production system arranged in the middle of the ship body and a living building arranged at the rear part of the ship body; the concrete production system comprises a main mixing building and an aggregate building;
the main stirring building comprises a left line stirring chamber and a right line stirring chamber which are symmetrically arranged along the central axis of the ship body, and a common cement cabin and a common expanding agent cabin are arranged between the left line stirring chamber and the right line stirring chamber in tandem; the outer sides of the left and right linear stirring chambers are provided with a left and a right linear powder cabins in a one-to-one correspondence manner; a stirring deck, a weighing deck, a dust removing deck and a powder cabin top plate are respectively arranged in the left line stirring chamber and the right line stirring chamber from bottom to bottom; a left and a right aggregate transition middle storage cabins are arranged between the dedusting decks and the weighing decks corresponding to the left and the right stirring chambers in a one-to-one correspondence manner; the weighing decks corresponding to the left and right linear stirring chambers are provided with left and right linear powder metering devices in a one-to-one correspondence manner; the left and right wire stirring hosts are arranged on the stirring decks corresponding to the left and right wire stirring chambers in a one-to-one correspondence manner; the left and right line drag pumps are arranged on the main deck corresponding to the feed openings of the left and right line stirring hosts in a one-to-one correspondence manner; the aggregate building comprises a left aggregate chamber and a right aggregate chamber which are symmetrically arranged along the central axis of the ship body, and the left aggregate chamber and the right aggregate chamber are divided into four longitudinally arranged left aggregate chambers and four longitudinally arranged right aggregate chambers in a one-to-one correspondence manner; it is characterized in that the preparation method is characterized in that,
the aggregate batching system comprises a left line batching mechanism, a right line batching mechanism and a transfer batching mechanism;
the left and right wire batching mechanisms respectively comprise four left and right wire batching weighing hoppers, left and right wire aggregate conveying belts, and left and right wire elevators; the four left line batching weighing hoppers are arranged at the feed openings of the four left aggregate cabins in a one-to-one correspondence manner; the four right-line batching weighing hoppers are arranged at the feed openings of the four right aggregate cabins in a one-to-one correspondence manner; the left aggregate conveying belt is arranged on the cabin bottom below the four left aggregate weighing hoppers and is parallel to the central axis of the ship body; the right aggregate conveying belt is arranged on the cabin bottom below the four right batching weighing hoppers and is parallel to the central axis of the ship body; the left and right line hoists are parallel to the central axis of the ship body, the rear ends of the left and right line hoists are positioned right in front of the front ends of the left and right line aggregate conveyer belts in a one-to-one correspondence manner, and the front ends of the left and right line hoists correspondingly extend to the left and right line aggregate transition storage cabins in a one-to-one correspondence manner;
the transfer batching mechanism comprises a left and a right line transfer conveyer belt and a left and a right line bending and head-picking belt conveyer which are arranged in parallel with the central axis of the ship body; the left line transfer conveying belt and the right line transfer conveying belt both adopt positive and negative transfer belt conveyors; the left end and the right end of the left line transfer conveyer belt are correspondingly positioned above the rear ends of the left line hoister and the right line hoister one by one; the right wire transfer conveying belt is arranged on the front side of the left wire transfer conveying belt, and the left end and the right end of the right wire transfer conveying belt are correspondingly positioned above the rear parts of the left wire lifting machine and the right wire lifting machine one by one; the rear ends of the left and right wire bending and head-picking belt conveyors are connected with the front ends of the left and right wire aggregate conveying belts in a one-to-one correspondence manner, the front end of the left wire bending and head-picking belt conveyor is positioned above the left end of the left wire transfer conveying belt, and the front end of the right wire bending and head-picking belt conveyor is positioned above the right end of the right wire transfer conveying belt.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110584821.4A CN113290705B (en) | 2021-05-27 | 2021-05-27 | Aggregate batching system of concrete mixing ship |
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| CN202110584821.4A CN113290705B (en) | 2021-05-27 | 2021-05-27 | Aggregate batching system of concrete mixing ship |
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| CN113290705B true CN113290705B (en) | 2022-08-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5280734B2 (en) * | 2007-06-26 | 2013-09-04 | 三機工業株式会社 | Belt junction conveyor |
| CN201329617Y (en) * | 2009-01-24 | 2009-10-21 | 中国建筑第二工程局有限公司 | Continuous production mobile shipborne mixing station |
| CN202241614U (en) * | 2011-10-10 | 2012-05-30 | 中联重科股份有限公司 | Batching conveyor |
| CN104260209B (en) * | 2014-09-25 | 2017-02-15 | 常州市航务工程有限责任公司 | Waterborne mobile concrete stirring boat in inland waterway |
| CN208732027U (en) * | 2018-09-05 | 2019-04-12 | 深圳市富康实业有限公司 | A kind of assembly line product part flow arrangement |
| CN209478601U (en) * | 2018-09-21 | 2019-10-11 | 长沙爱达环保科技有限公司 | A kind of two-shipper concrete mixing plant and its aggregate delivery system |
| CN212831289U (en) * | 2020-07-27 | 2021-03-30 | 固安恒拓包装设备有限公司 | Multi-channel conveyor |
| CN112173673A (en) * | 2020-11-02 | 2021-01-05 | 哈尔滨和泰电力设备有限公司 | Bulk material online reversing device, bulk material online conveying system and control method of system |
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Address after: 200032 No. 139, Xuhui District, Shanghai, Pingjiang Road Patentee after: CCCC THIRD HARBOR ENGINEERING Co.,Ltd. Patentee after: CCCC Third Aviation Bureau Sixth Engineering (Xiamen) Co.,Ltd. Patentee after: XIAMEN BRANCH OF CCCC THIRD HARBOR ENGINEERING Co.,Ltd. Address before: 200032 No. 139, Xuhui District, Shanghai, Pingjiang Road Patentee before: CCCC THIRD HARBOR ENGINEERING Co.,Ltd. Patentee before: CCCC Sanya (Xiamen) Engineering Co.,Ltd. Patentee before: XIAMEN BRANCH OF CCCC THIRD HARBOR ENGINEERING Co.,Ltd. |