CN109050748B - Energy-concerving and environment-protective transfer equipment for construction operation - Google Patents
Energy-concerving and environment-protective transfer equipment for construction operation Download PDFInfo
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- CN109050748B CN109050748B CN201811032761.XA CN201811032761A CN109050748B CN 109050748 B CN109050748 B CN 109050748B CN 201811032761 A CN201811032761 A CN 201811032761A CN 109050748 B CN109050748 B CN 109050748B
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- shaft
- hollow
- sleeve
- shaft sleeve
- rack
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- 238000012546 transfer Methods 0.000 title claims abstract description 9
- 238000010276 construction Methods 0.000 title claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 22
- 239000000919 ceramic Substances 0.000 claims description 14
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 7
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 229910052703 rhodium Inorganic materials 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K7/00—Freight- or passenger-carrying cycles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
Abstract
The invention discloses energy-saving and environment-friendly transfer equipment for construction operation, which comprises a rack, wherein the rack comprises a driving device rack and a traveling device rack, the driving device rack comprises a hollow shaft, a rear shaft bracket fixed at the rear end of the hollow shaft and a front shaft bracket fixed at the front end of the hollow shaft, the hollow shaft is arranged along the front and rear direction of the equipment, a rear rotating shaft is fixed on the rear shaft bracket, a rear hub is installed on the rear rotating shaft, a front shaft sleeve is rotatably sleeved on the hollow shaft, a sliding strip is arranged at the rear end of the front shaft sleeve, the rear shaft sleeve is slidably installed at the rear end of the front shaft sleeve through the sliding strip, a hollow inner cavity is arranged in the hollow shaft, and a first motor and a battery are installed in the hollow inner. The manual power driving structure removes a chain which is necessary in the traditional manual power driving structure through innovative structural design, the structure is simplified, and the variable speed adjusting structure is arranged in the hollow pipe fitting of the driving device frame, so that the structure is further simplified, and the manual power driving structure has practicability.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to energy-saving and environment-friendly transfer equipment for construction operation.
Background
The manual driving device in the prior art is not simple in structure and easy to damage, and needs to be improved. The advancing mode of the existing mechanical device and the structural design of the landing part are unreasonable, the cost is high, and the maintenance is difficult.
Disclosure of Invention
The invention aims to solve the technical problem of providing energy-saving and environment-friendly transfer equipment for building operation, so as to solve the problems that a manual driving device in the prior art needs chain transmission, is not simple in structure and easy to damage, and needs to be improved. The advancing mode of the existing mechanical device and the structural design of the landing part are unreasonable, the cost is high, and the maintenance is difficult.
In order to solve the technical problems, an embodiment of the present invention provides an energy-saving and environment-friendly transfer device for building operation, which includes a frame, wherein the frame includes a driving device frame and a traveling device frame, the driving device frame includes a hollow shaft, a rear shaft frame fixed at the rear end of the hollow shaft, and a front shaft frame fixed at the front end of the hollow shaft, the hollow shaft is arranged along the front-rear direction of the device, the rear shaft frame is fixed with a rear rotating shaft, a rear hub is mounted on the rear rotating shaft, the hollow shaft is rotatably sleeved with a front shaft sleeve, the rear end of the front shaft sleeve is provided with a slide bar, the rear end of the front shaft sleeve is slidably mounted with a rear shaft sleeve through the slide bar, the hollow shaft is provided with a hollow inner cavity, the hollow inner cavity is provided with a first motor and a battery, the battery supplies power to the first motor, the output end of the first motor is, the guide post is arranged in the radial direction of the nut, the hollow shaft is provided with a strip-shaped groove, the rear shaft sleeve is provided with an annular groove, the strip-shaped groove corresponds to the rear shaft sleeve in position, the guide post penetrates through the strip-shaped groove to be arranged in the annular groove in a sliding manner, a plurality of bearing mounting frames are uniformly distributed on the front end surface of the front shaft sleeve and the rear end surface of the rear shaft sleeve along the circumferential direction, each bearing mounting frame is provided with a ceramic bearing, the rotating axial direction of the ceramic bearing is parallel to the axial direction of the hollow shaft, the front shaft frame is provided with a front shaft, the front shaft is provided with a front fluted disc, the outer edge of the front fluted disc is vertically provided with a circle of tooth part, the rear fluted disc is arranged on the rear hub and is vertically provided with a plurality of circles of tooth parts, the tooth part on the front fluted disc faces to the gap between the outer rings, the tooth part of the front fluted disc is matched with the ceramic bearing on the bearing mounting frame of the front shaft sleeve to move, and the tooth part of the rear fluted disc is matched with the ceramic bearing on the bearing mounting frame of the rear shaft sleeve to move;
the walking device comprises a transmission shaft which is rotatably arranged on a walking device rack, a first foot tool and a second foot tool which have the same structure are respectively connected to two ends of the transmission shaft, the first foot tool comprises a first rotating rod connected to the transmission shaft, the second foot tool comprises a second rotating rod connected to the transmission shaft, the rotating angle of the first rotating rod and the rotating angle of the second rotating rod are different by 180 degrees, the other end of the first rotating rod is rotatably connected with a first guide rod, a first sliding sleeve is sleeved on the first guide rod and rotatably arranged on a vertical mounting rack of the walking device rack through a first rotating shaft, the first rotating shaft is parallel to an output shaft of the transmission shaft and is positioned on the same vertical direction, the upper end of the first sliding sleeve is rotatably connected with a first vertical rod, horizontal sliding grooves are respectively arranged on two sides of the walking device rack, a horizontal sliding block is arranged on the horizontal sliding groove, a vertical sliding rail is arranged on the horizontal sliding block, the first vertical rod is arranged on the vertical sliding rail in a sliding mode, and a grounding part is arranged at the lower end of the first vertical rod along the horizontal direction;
a first belt pulley is fixed on the hub, a second belt pulley is fixed on the transmission shaft, and belts are installed on the first belt pulley and the second belt pulley;
the rack is made of stainless steel, and the stainless steel comprises the following components in percentage by mass: 0.05%, Si: 3%, S: 0.03%, P: 0.002%, N: 0.006%, Cr: 3.6%, Ni: 3.2-3.5%, Mo: 2.5%, Mn: 2.3%, Zn: 0.1%, Nb: 0.15%, Al: 0.05%, Ti: 0.05%, Co: 0.05%, Rh: 0.025%, and the balance iron and inevitable impurities.
The battery is a rechargeable lithium battery.
The technical scheme of the invention has the following beneficial effects:
the manual power driving structure removes a chain which is necessary in the traditional manual power driving structure through innovative structural design, the structure is simplified, and the variable speed adjusting structure is arranged in the hollow pipe fitting of the driving device frame, so that the structure is further simplified, and the manual power driving structure has practicability. In the travelling device, the first vertical rod is always vertical to the horizontal sliding groove in the advancing process, so that the frame can be kept in a horizontal state, and the stable movement is realized.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a perspective view of a human powered structure of the present invention.
Fig. 3 is a partial perspective view of the manual power driving structure of the present invention.
Fig. 4 is an exploded view of the structure of the present invention.
Fig. 5 is an exploded view of the structure driven by manpower in accordance with the present invention.
Fig. 6 is an exploded view of the structure of the present invention driven by human power.
Fig. 7 is a structural view of a rear bushing of the human power driving structure of the present invention.
Fig. 8 is a partial perspective view of the manual power driving structure of the present invention.
Fig. 9 is a perspective view of the running gear of the present invention.
Fig. 10 is a first state diagram of the walking device of the present invention.
Fig. 11 is a state diagram of the traveling apparatus of the present invention.
Fig. 12 is a state diagram of the running gear of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
For convenience of description and illustration, the right direction in fig. 1 is the front, front end, front, forward direction of the entire mechanism, and the left direction in fig. 1 is the rear, rear end, rear, backward direction of the entire mechanism.
As shown in fig. 1 to 8, an embodiment of the present invention provides an energy-saving and environment-friendly transportation device for construction work, including a frame, where the frame includes a driving device frame 101 and a traveling device frame 102, the driving device frame 101 includes a hollow shaft 11, a rear shaft frame 12 fixed at a rear end of the hollow shaft 11, and a front shaft frame 13 fixed at a front end of the hollow shaft 11, the hollow shaft 11 is disposed along a front-rear direction of the device, a rear rotating shaft 14 is fixed on the rear shaft frame 12, a rear hub 15 is mounted on the rear rotating shaft 14, a front shaft sleeve 16 is rotatably sleeved on the hollow shaft 11 through a first bearing 23, a slide bar 161 is disposed at a rear end of the front shaft sleeve 16, a rear shaft sleeve 17 is slidably mounted at a rear end of the front shaft sleeve 16 through the slide bar 161, a slide groove (not shown) is disposed on the rear shaft sleeve 17, the slide bar 161 is matched with the slide groove, and, the hollow inner cavity is provided with a first motor 18 and a battery 19, the battery 19 supplies power to the first motor 18, the output end of the first motor 18 is connected with a screw 20, the screw 20 is provided with a nut 21, the nut 21 is provided with a guide post 22 in the radial direction, the hollow shaft 11 is provided with a strip-shaped groove 24, the rear shaft sleeve 17 is provided with an annular groove 171, the strip-shaped groove 24 corresponds to the rear shaft sleeve 17 in position, the guide post 22 penetrates through the strip-shaped groove 24 and is arranged in the annular groove 171 in a sliding manner, the width of the strip-shaped groove 24 is matched with the diameter of the guide post 22, namely the width of the strip-shaped groove 24 is slightly larger than the diameter of the guide post 22 so as to play a limiting role, a plurality of bearing mounting frames 25 are uniformly distributed on the front end surface of the front shaft sleeve 16 and the rear end surface of the rear shaft sleeve 17 along the circumferential direction, each bearing mounting frame 25 is, install front axle 27 on the preceding pedestal 13, fluted disc 28 before installing on the front axle 27, the outer fringe of preceding fluted disc 28 is provided with round tooth portion 29 perpendicularly, install back fluted disc 30 on the back flower-drum 15, be provided with many rings of tooth portions 29 on the back fluted disc 30 perpendicularly, the outer lane clearance of two adjacent ceramic bearings 26 on the preceding axle sleeve 16 of tooth portion 29 on the preceding fluted disc 28 orientation, the outer lane of two adjacent ceramic bearings 26 on the axle sleeve 17 is followed to tooth portion 29 on the back fluted disc 30 orientation, ceramic bearing 26 on the tooth portion 29 of preceding fluted disc 28 and the bearing mounting bracket of preceding axle sleeve 16 cooperate the motion, the ceramic bearing 26 on the tooth portion 29 of back fluted disc 30 and the bearing mounting bracket of back axle sleeve 17 cooperatees the motion. The working principle is as follows: the pedal is installed on the front shaft, the pedal is stepped on by manpower to drive the front fluted disc to drive the front shaft sleeve to rotate, the front shaft sleeve drives the rear shaft sleeve to rotate, the rear shaft sleeve drives the rear fluted disc to rotate, the rear fluted disc drives the rear wheel to rotate, so that the equipment advances, when speed change is needed, the first motor drives the screw rod to rotate, the screw rod drives the screw cap to rotate, the guide pillar on the screw cap drives the rear shaft sleeve to move in the front and rear directions, so that the ceramic gear on the rear shaft sleeve is matched with the tooth parts with different circle diameters on the rear fluted disc for transmission, and the concave arcs on the tooth parts are clamped. Fig. 1 is a schematic diagram of the layout, and only for convenience of describing key structures, the center of gravity and the proportion of the whole mechanism need to be adjusted in actual production. The battery is a rechargeable lithium battery.
As shown in fig. 1 and 9 to 12, a walking device 40 is disposed on the walking device frame 102, the walking device 40 includes a transmission shaft 41 rotatably disposed on the walking device frame 102, two ends of the transmission shaft 41 are respectively connected to a first foot tool and a second foot tool having the same structure, the first foot tool includes a first rotating rod 42 connected to the transmission shaft 41, the second foot tool includes a second rotating rod 43 connected to the transmission shaft 41, a rotation angle between the first rotating rod 42 and the second rotating rod 43 is different by 180 °, the other end of the first rotating rod 42 is rotatably connected to a first guide rod 44, a first sliding sleeve 45 is sleeved on the first guide rod 44, the first sliding sleeve 45 is rotatably disposed on a vertical mounting rack 46 of the walking device frame through the first rotating shaft, the first rotating shaft is parallel to an output shaft of the transmission shaft 41 and is located in the same vertical direction, the upper end of the first sliding sleeve 45 is rotatably connected with a first vertical rod 47, horizontal sliding grooves 48 are respectively formed in two sides of the traveling device frame 102, a horizontal sliding block 49 is arranged on each horizontal sliding groove 48, a vertical sliding rail 50 is arranged on each horizontal sliding block 49, the first vertical rod 47 is slidably arranged on each vertical sliding rail 50, a grounding part is arranged at the lower end of each first vertical rod 47 along the horizontal direction and is in a T shape, each grounding part comprises a horizontal rod 51 and two horizontal rods 52 which are horizontally arranged, the two horizontal rods 52 are respectively and vertically arranged at two end parts of the horizontal rod 51, and the middle part of the horizontal rod 51 is vertically connected to the bottom end of the first vertical rod 47; the length of the first vertical rod 47 is greater than that of the first guide rod 44, and the length of the first guide rod 44 is greater than that of the first rotating rod 42. As shown in fig. 10 to 12, the transmission shaft rotates counterclockwise, and the walking motor drives the two landing parts to land alternately through the transmission of the first rotating rod, the first guide rod and the first vertical rod, so as to drive the whole rack to move forward.
A first pulley (not shown) is fixed to the hub 15, a second pulley 401 is fixed to the transmission shaft 41, and a belt 402 is mounted on the first pulley and the second pulley.
The frame is also provided with a transfer box 403.
The rack is made of stainless steel, and the stainless steel comprises the following components in percentage by mass: 0.05%, Si: 3%, S: 0.03%, P: 0.002%, N: 0.006%, Cr: 3.6%, Ni: 3.2-3.5%, Mo: 2.5%, Mn: 2.3%, Zn: 0.1%, Nb: 0.15%, Al: 0.05%, Ti: 0.05%, Co: 0.05%, Rh: 0.025%, and the balance iron and inevitable impurities. By reasonably controlling the types and contents of elements in the stainless steel, the occurrence of local corrosion is avoided, the problems of corrosion cracking, pitting corrosion, intergranular corrosion, corrosion fatigue and crevice corrosion are solved, and the obtained stainless steel can resist extremely high acid-base corrosion.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (2)
1. An energy-saving and environment-friendly transfer device for construction operation comprises a rack and is characterized in that the rack comprises a driving device rack and a traveling device rack, the driving device rack comprises a hollow shaft, a rear shaft bracket fixed at the rear end of the hollow shaft and a front shaft bracket fixed at the front end of the hollow shaft, the hollow shaft is arranged along the front and rear direction of the device, a rear rotating shaft is fixed on the rear shaft bracket, a rear hub is mounted on the rear rotating shaft, a front shaft sleeve is rotatably sleeved on the hollow shaft, a sliding strip is arranged at the rear end of the front shaft sleeve, a rear shaft sleeve is slidably mounted at the rear end of the front shaft sleeve through the sliding strip, a hollow inner cavity is arranged in the hollow shaft, a first motor and a battery are mounted in the hollow inner cavity, the battery supplies power to the first motor, the output end of the first motor is connected with a screw rod, a nut is mounted on the screw rod, the hollow shaft is provided with a strip-shaped groove, the rear shaft sleeve is provided with an annular groove, the strip-shaped groove corresponds to the rear shaft sleeve in position, the guide post penetrates through the strip-shaped groove and is arranged in the annular groove in a sliding manner, a plurality of bearing mounting frames are uniformly distributed on the front end surface of the front shaft sleeve and the rear end surface of the rear shaft sleeve along the circumferential direction, each bearing mounting frame is provided with a ceramic bearing, the rotating axial direction of each ceramic bearing is parallel to the axial direction of the hollow shaft, the front shaft frame is provided with a front shaft, the front shaft is provided with a front fluted disc, the outer edge of the front fluted disc is vertically provided with a circle of tooth part, the rear fluted disc is arranged on the rear hub and is vertically provided with a plurality of circles of tooth parts, the tooth part on the front fluted disc faces to the outer ring gap of two adjacent ceramic bearings on the front, the tooth part of the front fluted disc is matched with the ceramic bearing on the bearing mounting frame of the front shaft sleeve to move, and the tooth part of the rear fluted disc is matched with the ceramic bearing on the bearing mounting frame of the rear shaft sleeve to move;
the walking device comprises a transmission shaft which is rotatably arranged on a walking device rack, a first foot tool and a second foot tool which have the same structure are respectively connected to two ends of the transmission shaft, the first foot tool comprises a first rotating rod connected to the transmission shaft, the second foot tool comprises a second rotating rod connected to the transmission shaft, the rotating angle of the first rotating rod and the rotating angle of the second rotating rod are different by 180 degrees, the other end of the first rotating rod is rotatably connected with a first guide rod, a first sliding sleeve is sleeved on the first guide rod and rotatably arranged on a vertical mounting rack of the walking device rack through a first rotating shaft, the first rotating shaft is parallel to an output shaft of the transmission shaft and is positioned on the same vertical direction, the upper end of the first sliding sleeve is rotatably connected with a first vertical rod, horizontal sliding grooves are respectively arranged on two sides of the walking device rack, a horizontal sliding block is arranged on the horizontal sliding groove, a vertical sliding rail is arranged on the horizontal sliding block, the first vertical rod is arranged on the vertical sliding rail in a sliding mode, and a grounding part is arranged at the lower end of the first vertical rod along the horizontal direction;
a first belt pulley is fixed on the hub, a second belt pulley is fixed on the transmission shaft, and belts are installed on the first belt pulley and the second belt pulley.
2. The energy-saving and environment-friendly transfer device for construction work according to claim 1, wherein the battery is a rechargeable lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811032761.XA CN109050748B (en) | 2018-09-05 | 2018-09-05 | Energy-concerving and environment-protective transfer equipment for construction operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811032761.XA CN109050748B (en) | 2018-09-05 | 2018-09-05 | Energy-concerving and environment-protective transfer equipment for construction operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109050748A CN109050748A (en) | 2018-12-21 |
| CN109050748B true CN109050748B (en) | 2020-09-15 |
Family
ID=64758534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811032761.XA Active CN109050748B (en) | 2018-09-05 | 2018-09-05 | Energy-concerving and environment-protective transfer equipment for construction operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109050748B (en) |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86207965U (en) * | 1986-10-13 | 1987-09-30 | 王兴武 | Driving axle type speed change manpower tricycle |
| CN2134349Y (en) * | 1992-06-25 | 1993-05-26 | 武建波 | Bicycle having infinitely variable speed |
| JP2957881B2 (en) * | 1994-02-21 | 1999-10-06 | 株式会社タカラ | Biped robot |
| CN2194866Y (en) * | 1994-07-11 | 1995-04-19 | 侯利军 | Friction transmission speed-change and clutch device for bicycle |
| CN2513899Y (en) * | 2001-12-22 | 2002-10-02 | 徐庆国 | Bicycle speed variator transmitted by shaft |
| DE102006042118A1 (en) * | 2005-09-16 | 2007-03-29 | Constin Gmbh | Front carriage for e.g. bicycle, has shank adapter for fixing shank of vehicle, where adapter has Bowden cable for transmitting steering movement of shank to wheels, which are fastened at frame |
| CN201026965Y (en) * | 2007-01-29 | 2008-02-27 | 王建斌 | Labour-saving bicycle |
| JP2014234149A (en) * | 2013-06-01 | 2014-12-15 | 渡辺 一成 | Transporter using crank |
| CN205131425U (en) * | 2015-10-26 | 2016-04-06 | 宜春学院 | Biped robot |
| CN105774938B (en) * | 2016-03-03 | 2017-11-07 | 北京中航科电测控技术股份有限公司 | Biped robot with obstacle crossing function |
| CN108032293A (en) * | 2017-11-30 | 2018-05-15 | 韩学 | A kind of afforestation robot |
| CN108407916A (en) * | 2018-02-13 | 2018-08-17 | 凌栋 | A kind of quadruped robot of environmentally friendly construction antirust |
-
2018
- 2018-09-05 CN CN201811032761.XA patent/CN109050748B/en active Active
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| CN109050748A (en) | 2018-12-21 |
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Effective date of registration: 20200821 Address after: 239000 No.112 Caishi street, Mingguang City, Chuzhou City, Anhui Province Applicant after: Mingguang first construction and Installation Engineering Co.,Ltd. Address before: 315700 No. 128 Danhe East Road, Xiangshan County, Ningbo City, Zhejiang Province Applicant before: Tang Chao |
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Effective date of registration: 20231020 Address after: Room 1104-1, Floor 11, Building 3, No. 1366, Hongfeng Road, Huzhou City, Zhejiang Province, 313000 Patentee after: China Energy Conservation (Huzhou) science and technology city investment and Construction Development Co.,Ltd. Address before: No.112 Caishi street, Mingguang City, Chuzhou City, Anhui Province 239000 Patentee before: Mingguang first construction and Installation Engineering Co.,Ltd. |