CN108554775B - Material cooling device for building engineering - Google Patents
Material cooling device for building engineering Download PDFInfo
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- CN108554775B CN108554775B CN201810170410.9A CN201810170410A CN108554775B CN 108554775 B CN108554775 B CN 108554775B CN 201810170410 A CN201810170410 A CN 201810170410A CN 108554775 B CN108554775 B CN 108554775B
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- Prior art keywords
- rotating shaft
- cooling device
- cooling
- screening
- rotating
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- 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.)
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- 238000001816 cooling Methods 0.000 title claims abstract description 65
- 239000000463 material Substances 0.000 title claims abstract description 51
- 238000012216 screening Methods 0.000 claims abstract description 44
- 238000010276 construction Methods 0.000 claims description 11
- 238000004378 air conditioning Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 abstract description 4
- 239000004576 sand Substances 0.000 description 15
- 230000000670 limiting effect Effects 0.000 description 6
- 238000007873 sieving Methods 0.000 description 5
- 238000009435 building construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 239000004035 construction material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920003086 cellulose ether Polymers 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C3/00—Other direct-contact heat-exchange apparatus
- F28C3/10—Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material
- F28C3/12—Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material the heat-exchange medium being a particulate material and a gas, vapour, or liquid
- F28C3/18—Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material the heat-exchange medium being a particulate material and a gas, vapour, or liquid the particulate material being contained in rotating drums
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention discloses a material cooling device for constructional engineering, which comprises a body, a base, supporting arms, a motor and a cooling device, wherein the base is arranged at the bottom of the body, the supporting arms are arranged at the upper parts of two ends of the base, and a screening cavity is arranged between the supporting arms; a screen is arranged in the screening cavity; a motor is arranged at the upper part of the right side of the body; a third rotating shaft is arranged between the screens; the upper end of the third rotating shaft is fixedly connected with a third rotating wheel; a cooling rotary drum is arranged at the lower part of the screening cavity, and a cold air escape layer is arranged on the outer surface of the cooling rotary drum; a first rotating shaft is arranged in the cooling rotating drum, the first rotating shaft is of a hollow structure, and the front side of the first rotating shaft is rotatably connected with a second connecting pipe; a cooling device is arranged on the left side of the screening cavity; the invention has reasonable design and simple operation, can improve the screening efficiency of materials and simultaneously can avoid the accumulation in the screening process of the materials; and the material cooling time is consistent, and the cooling efficiency is improved.
Description
Technical Field
The invention relates to the technical field of construction machinery equipment, in particular to a material cooling device for construction engineering.
Background
Sands are generally classified into natural sands and artificial sands. Rock particles having a particle size of 5mm or less, which are formed by the action of natural conditions (mainly weathering of rocks), are called natural sand. The artificial sand is made up by crushing rock, because of high cost, large quantity of flake and powder, it is not used generally, and the thickness of sand is the average thickness of sand grains mixed together, and it is generally divided into coarse sand, medium sand and fine sand, and the grain gradation of sand is the proportion of large and small sand grains. When in use, the sand is classified and selected according to the requirement due to different volumes; a sand sieving machine, also known as dry land sand sieving boat and sand-stone separator, is suitable for the sand-stone separation equipment of river channel, reservoir and coal yard, and is composed of boat body, frame, speed reducer, conveyer belt, rotary sieve and engine or motor. In the building construction process, a large amount of gravels are needed, the gravels need to be screened for ensuring the quality of building construction, and meanwhile, after the sands with too high temperature enter a stirring host machine, the performances of additives are greatly influenced, such as the activity of cellulose ether is reduced and the water retention is deteriorated; the anti ability that splits of lignocellulose weakens, and dry shrinkage and so on because present sand sieving machine sand sieving speed is slow to influence the normal work of sieve separator, reduce the screening efficiency, reduced sand sieving machine's practicality, can not satisfy building construction material's needs, increased the burden that people processed.
Disclosure of Invention
The present invention is directed to a cooling device for construction materials, which solves the above problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a cooling device for materials for building engineering comprises a body, a base, supporting arms, a motor and a cooling device, wherein the base is arranged at the bottom of the body, the supporting arms are arranged at the upper parts of two ends of the base, and a screening cavity is arranged between the supporting arms; a screen is arranged in the screening cavity; the upper part of the right side of the body is provided with a motor, and the motor is arranged on the supporting arm; the lower part of the motor is fixedly connected with a second rotating shaft, a second rotating wheel is installed on the second rotating shaft, the lower part of the second rotating shaft is fixedly connected with a second bevel gear, the lower part of the second bevel gear is provided with a first rotating wheel, the first rotating wheel is fixedly connected with a first bevel gear, and the first bevel gear is meshed with the second bevel gear; a third rotating shaft is arranged between the screens; the upper end of the third rotating shaft is fixedly connected with a third rotating wheel; a cooling rotary drum is arranged at the lower part of the screening cavity, a cold air escape layer is arranged on the outer surface of the cooling rotary drum, and a micro vent hole is arranged on the cold air escape layer; a first rotating shaft is arranged in the cooling rotating drum, the first rotating shaft is of a hollow structure, and the front side of the first rotating shaft is rotatably connected with a second connecting pipe; and a cooling device is arranged on the left side of the screening cavity.
As a further scheme of the invention: the upper part of the screening cavity is provided with a feeding port, and the lower part of the screening cavity is provided with a material outlet.
As a still further scheme of the invention: there are two screens.
As a still further scheme of the invention: a cam is arranged on the third rotating shaft, and a plurality of convex bodies are arranged on the side surface of the cam; the cam is abutted with the screen through a buffer cavity; the buffer cavity is fixedly connected with the screen; limiting plates are arranged on the upper portion and the lower portion of the buffer cavity.
As a still further scheme of the invention: and the lower part of the third rotating shaft is fixedly connected with a fan.
As a still further scheme of the invention: the second rotating wheel is connected with the third rotating wheel through a second conveying belt.
As a still further scheme of the invention: the first rotating shaft is connected with the cold air escape layer through a first connecting pipe.
As a further scheme of the invention, the left end of the second connecting pipe penetrates through the left side wall of the screening cavity, and the cooling device is fixedly connected with the second connecting pipe.
As a still further scheme of the invention: the rear side of the first rotating shaft is connected with the first rotating wheel through a first conveying belt.
Compared with the prior art, the invention has the beneficial effects that: the screen can play a role in screening materials; the limiting plate has a limiting effect on the buffer cavity; the third rotating shaft rotates to drive the cam to rotate, and the cam drives the convex body to rotate, so that the screen mesh is driven to swing left and right; the screening speed of the materials is improved, the third rotating shaft rotates to drive the fan to rotate, the air circulation speed in the screening cavity is driven, the contact area of cold air and the materials in the screening cavity is increased, and the cooling speed of the materials is increased; by arranging the micro vent holes, the contact area of cold air and materials is further increased, and the materials can be prevented from permeating into the cold air escape layer, so that the cooling efficiency is reduced, the cooling effect is poor, and the cooling device can release high-pressure cold air; the first rotating wheel rotates to drive the first rotating shaft to rotate, so that cold air in the cooling rotating drum is uniformly distributed, the material cooling time is consistent, the cooling time is saved, and the working efficiency of workers is reduced; the invention has reasonable design and simple operation, can improve the screening efficiency of materials and simultaneously can avoid the accumulation in the screening process of the materials; and the material cooling time is consistent, and the cooling efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of a material cooling apparatus for construction engineering.
Fig. 2 is a left side view of the construction work material cooling apparatus.
Fig. 3 is a schematic structural diagram of a screening chamber in the material cooling device for construction engineering.
Fig. 4 is a schematic structural view of a screen in a material cooling apparatus for construction engineering.
Fig. 5 is a schematic structural view of a cam in the material cooling apparatus for construction work.
Fig. 6 is a partially enlarged schematic view of a in fig. 1.
In the figure: 1-body, 2-base, 3-supporting arm, 4-motor, 5-cooling device, 6-material outlet, 7-screening cavity, 8-screen, 9-material inlet, 10-cooling drum, 11-cold air escape layer, 12-first rotating shaft, 13-first connecting pipe, 14-second connecting pipe, 15-first conveying belt, 16-first rotating wheel, 17-first bevel gear, 18-second bevel gear, 19-second rotating shaft, 20-second rotating wheel, 21-second conveying belt, 22-third rotating wheel, 23-third rotating shaft, 24-buffer cavity, 25-limiting plate, 26-cam, 27-fan and 28-convex body.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to specific embodiments.
Referring to fig. 1-6, a material cooling device for building engineering comprises a body 1, a base 2, supporting arms 3, a motor 4, a cooling device 5 and a material outlet 6, wherein the base 2 is arranged at the bottom of the body 1, the supporting arms 3 are arranged at the upper parts of the two ends of the base 2, a screening cavity 7 is arranged between the supporting arms 3, a feeding port 9 is arranged at the upper part of the screening cavity 7, and a screen 8 is arranged in the screening cavity 7; a material outlet 6 is arranged at the lower part of the screening cavity 7; the upper part of the right side of the body 1 is provided with a motor 4, and the motor 4 is arranged on the supporting arm 3; the lower part of the motor 4 is fixedly connected with a second rotating shaft 19, a second rotating wheel 20 is installed on the second rotating shaft 19, the lower part of the second rotating shaft 19 is fixedly connected with a second bevel gear 18, a first rotating wheel 16 is arranged at the lower part of the second bevel gear 18, the first rotating wheel 16 is fixedly connected with a first bevel gear 17, and the first bevel gear 17 is meshed with the second bevel gear 18; the screen 8 can play a role in screening materials; the number of the screen meshes 8 is two, a third rotating shaft 23 is arranged between the screen meshes 8, a cam 26 is arranged on the third rotating shaft 23, and a plurality of convex bodies 28 are arranged on the side surface of the cam 26; the cam 26 abuts the screen 8 via a buffer chamber 24; the buffer cavity 24 is fixedly connected with the screen 8; limiting plates 25 are arranged on the buffer cavity 24 up and down; the limiting plate 25 has a limiting effect on the buffer cavity 24; the third rotating shaft 23 rotates to drive the cam 26 to rotate, and the cam 26 drives the convex body 28 to rotate, so that the screen mesh 8 is driven to swing left and right; the screening speed of the materials is improved; the lower part of the third rotating shaft 23 is fixedly connected with a fan 27, the third rotating shaft 23 rotates to drive the fan 27 to rotate, the air circulation speed in the screening cavity 7 is driven, the contact area of cold air and materials in the screening cavity 7 is increased, and the cooling speed of the materials is further increased; the upper end of the third rotating shaft 23 is fixedly connected with a third rotating wheel 22, and the second rotating wheel 20 is connected with the third rotating wheel 22 through a second conveyor belt 21; a cooling rotary drum 10 is arranged at the lower part of the screening cavity 7, a cold air escape layer 11 is arranged on the outer surface of the cooling rotary drum 10, a micro vent hole is arranged on the cold air escape layer 11, the contact area of cold air and materials is further increased by arranging the micro vent hole, and the materials can be prevented from permeating into the cold air escape layer 11, so that the cooling efficiency is reduced and the cooling effect is poor; a first rotating shaft 12 is installed inside the cooling drum 10, the first rotating shaft 12 is of a hollow structure, the first rotating shaft 12 is connected with the cold air escape layer 11 through a first connecting pipe 13, and the front side of the first rotating shaft 12 is rotatably connected with a second connecting pipe 14; a cooling device 5 is arranged on the left side of the screening cavity 7, and the cooling device 5 can release high-pressure cold air; the left end of the second connecting pipe 14 penetrates through the left side wall of the screening cavity 7, and the cooling device 5 is fixedly connected with the second connecting pipe 14; the rear side of the first rotating shaft 12 is connected with the first rotating wheel 16 through a first conveyor belt 15; the first rotating wheel 16 rotates to drive the first rotating shaft 12 to rotate, so that the cold air in the cooling rotating drum 10 is uniformly distributed, the material cooling time is consistent, the cooling time is saved, and the working efficiency of workers is reduced.
The working principle of the invention is as follows: the material enters the screening cavity 7 through the material inlet 9, the motor 4 is started to drive the second rotating shaft 19 to rotate, the second rotating shaft 19 drives the second rotating wheel 20 to rotate, and the second rotating wheel 20 drives the third rotating wheel 22 and the third rotating shaft 23 to rotate; the third rotating shaft 23 rotates to drive the cam 26 to rotate, the buffer cavity 24 is extruded in the rotating process of the cam 26, and the buffer cavity 24 extrudes the screen 8, so that the screen 8 screens materials, and the accumulation of the materials is avoided; the third rotating shaft 23 rotates to drive the fan 27 to rotate, so that the air flow in the screening cavity 7 is accelerated; the second rotating shaft 19 rotates to drive the second bevel gear 18 and the first bevel gear 17 to rotate, the first bevel gear 17 rotates to drive the first rotating wheel 16 and the first rotating shaft 12 to rotate, and the first rotating shaft 12 rotates to drive the cooling rotating drum 10 to rotate, so that the materials are uniformly cooled; meanwhile, the cooling device 5 sprays cold air, and the cold air sequentially passes through the second connecting pipe 14, the first rotating shaft 12, the first connecting pipe 13 and the cold air escape layer 11, so that the cooling of the material is finally realized; the invention has reasonable design and simple operation, can improve the screening efficiency of materials and simultaneously can avoid the accumulation in the screening process of the materials; and the material cooling time is consistent, and the cooling efficiency is improved.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (5)
1. The cooling device for the materials for the building engineering is characterized by comprising a body (1), a base (2), supporting arms (3), a motor (4) and a cooling device (5), wherein the base (2) is arranged at the bottom of the body (1), the supporting arms (3) are arranged at the upper parts of two ends of the base (2), and a screening cavity (7) is arranged between the supporting arms (3); a screen (8) is arranged in the screening cavity (7); a motor (4) is arranged at the upper part of the right side of the body (1), and the motor (4) is arranged on the supporting arm (3); the lower part of the motor (4) is fixedly connected with a second rotating shaft (19), a second rotating wheel (20) is installed on the second rotating shaft (19), the lower part of the second rotating shaft (19) is fixedly connected with a second bevel gear (18), a first rotating wheel (16) is arranged at the lower part of the second bevel gear (18), the first rotating wheel (16) is fixedly connected with a first bevel gear (17), and the first bevel gear (17) is meshed with the second bevel gear (18); two screens (8) are arranged, and a third rotating shaft (23) is arranged between the two screens (8); the upper end of the third rotating shaft (23) is fixedly connected with a third rotating wheel (22); a cooling rotary drum (10) is arranged at the lower part of the screening cavity (7), a cold air escape layer (11) is arranged on the outer surface of the cooling rotary drum (10), and a micro vent hole is arranged on the cold air escape layer (11); a first rotating shaft (12) is arranged in the cooling rotating drum (10), the first rotating shaft (12) is of a hollow structure, and the front side of the first rotating shaft (12) is rotatably connected with a second connecting pipe (14); a cooling device (5) is arranged on the left side of the screening cavity (7), a cam (26) is arranged on the third rotating shaft (23), and a plurality of convex bodies (28) are arranged on the side surface of the cam (26); the cam (26) is abutted with the screen (8) through a buffer cavity (24); the buffer cavity (24) is fixedly connected with the screen (8); limit plate (25) are installed to the side about cushion chamber (24), first pivot (12) with air conditioning escape layer (11) are connected through first connecting pipe (13), second connecting pipe (14) left end runs through screening chamber (7) left side wall, just cooling device (5) with second connecting pipe (14) fixed connection.
2. The cooling device for materials for construction engineering as claimed in claim 1, characterized in that the screening chamber (7) is provided with a feed inlet (9) at the upper part and the screening chamber (7) is provided with a material outlet (6) at the lower part.
3. The cooling device for construction engineering materials according to claim 1, wherein the lower portion of the third rotating shaft (23) is fixedly connected with a fan (27).
4. The construction work material cooling device according to claim 1, wherein the second wheel (20) and the third wheel (22) are connected by a second conveyor belt (21).
5. The construction work material cooling device according to claim 1, wherein a rear side of the first rotating shaft (12) is connected to the first rotating wheel (16) by a first conveyor belt (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810170410.9A CN108554775B (en) | 2018-03-01 | 2018-03-01 | Material cooling device for building engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810170410.9A CN108554775B (en) | 2018-03-01 | 2018-03-01 | Material cooling device for building engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108554775A CN108554775A (en) | 2018-09-21 |
| CN108554775B true CN108554775B (en) | 2021-04-30 |
Family
ID=63532352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810170410.9A Active CN108554775B (en) | 2018-03-01 | 2018-03-01 | Material cooling device for building engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108554775B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201833502U (en) * | 2010-11-09 | 2011-05-18 | 金发科技股份有限公司 | Air-cooled vibrating screen capable of automatically controlling temperature |
| KR101178678B1 (en) * | 2010-04-12 | 2012-08-30 | 김재칠 | Apparatus for selecting granularity of red pepper powder |
| CN203830263U (en) * | 2014-03-21 | 2014-09-17 | 许桂兰 | High-efficiency vibrating screen |
| CN204685226U (en) * | 2015-05-26 | 2015-10-07 | 苏州达泰佳机械科技有限公司 | A kind of plastic granulator with screening plant |
| CN204718465U (en) * | 2015-05-07 | 2015-10-21 | 江西开门子肥业股份有限公司 | A kind of cooler screening type cylinder |
| CN205550815U (en) * | 2016-03-11 | 2016-09-07 | 河南晋开化工投资控股集团有限责任公司 | Compound fertilizer screening system with cooling and drying function |
| CN206882121U (en) * | 2017-05-22 | 2018-01-16 | 沈二霞 | A kind of biochemical industry cooling screening device |
| CN107583870A (en) * | 2017-09-16 | 2018-01-16 | 广东骏驰科技股份有限公司 | One kind is based on screening machine anti-batch mixing postsearch screening retracting device |
| CN206937634U (en) * | 2017-04-22 | 2018-01-30 | 昆明天策节能科技有限公司 | A kind of aggregate cooling device |
-
2018
- 2018-03-01 CN CN201810170410.9A patent/CN108554775B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101178678B1 (en) * | 2010-04-12 | 2012-08-30 | 김재칠 | Apparatus for selecting granularity of red pepper powder |
| CN201833502U (en) * | 2010-11-09 | 2011-05-18 | 金发科技股份有限公司 | Air-cooled vibrating screen capable of automatically controlling temperature |
| CN203830263U (en) * | 2014-03-21 | 2014-09-17 | 许桂兰 | High-efficiency vibrating screen |
| CN204718465U (en) * | 2015-05-07 | 2015-10-21 | 江西开门子肥业股份有限公司 | A kind of cooler screening type cylinder |
| CN204685226U (en) * | 2015-05-26 | 2015-10-07 | 苏州达泰佳机械科技有限公司 | A kind of plastic granulator with screening plant |
| CN205550815U (en) * | 2016-03-11 | 2016-09-07 | 河南晋开化工投资控股集团有限责任公司 | Compound fertilizer screening system with cooling and drying function |
| CN206937634U (en) * | 2017-04-22 | 2018-01-30 | 昆明天策节能科技有限公司 | A kind of aggregate cooling device |
| CN206882121U (en) * | 2017-05-22 | 2018-01-16 | 沈二霞 | A kind of biochemical industry cooling screening device |
| CN107583870A (en) * | 2017-09-16 | 2018-01-16 | 广东骏驰科技股份有限公司 | One kind is based on screening machine anti-batch mixing postsearch screening retracting device |
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| Publication number | Publication date |
|---|---|
| CN108554775A (en) | 2018-09-21 |
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| CB03 | Change of inventor or designer information |
Inventor after: Yin Ruihan Inventor after: Wang Lijun Inventor before: Wang Lijun |
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Effective date of registration: 20230711 Address after: Room 1103, Building 4, Liuzhou Capital, Renmin Road, Yu'an District, Lu'an, Anhui Province 237000 Patentee after: Yin Ruihan Address before: 448000 Room 302, building 15, Jingmen Biguiyuan community, Biguiyuan Road, Duodao District, Jingmen City, Hubei Province Patentee before: Wang Lijun |
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Effective date of registration: 20240521 Address after: Room 201, Building 10, Dongshan International Riverside Street, No. 155 Shangyuan Street, Dongshan Street, Jiangning District, Nanjing City, Jiangsu Province, 210000 Patentee after: Nanjing Xinyuntong Basic Engineering Co.,Ltd. Country or region after: China Address before: Room 1103, Building 4, Liuzhou Capital, Renmin Road, Yu'an District, Lu'an, Anhui Province 237000 Patentee before: Yin Ruihan Country or region before: China |