CN108910725A - A kind of center rotating machinery for architectural engineering - Google Patents
A kind of center rotating machinery for architectural engineering Download PDFInfo
- Publication number
- CN108910725A CN108910725A CN201810796467.XA CN201810796467A CN108910725A CN 108910725 A CN108910725 A CN 108910725A CN 201810796467 A CN201810796467 A CN 201810796467A CN 108910725 A CN108910725 A CN 108910725A
- Authority
- CN
- China
- Prior art keywords
- fixedly installed
- pressure
- servo motor
- bearing box
- column
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/16—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
- B66C23/163—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements where only part of the column rotates, i.e. at least the bottom part is fixed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/16—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
- B66C23/166—Simple cranes with jibs which may be fixed or can slew or luff
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/84—Slewing gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
Abstract
The invention discloses a kind of center rotating machineries for architectural engineering, including pressure-bearing box, the inside of the pressure-bearing box is fixedly installed with battery, and the inside of pressure-bearing box is fixedly installed with inverter at a side position of battery, the inner bottom of the pressure-bearing box is rotatably connected to column at a side position of inverter, it is socketed with driven gear on the outside of the middle part of the column, the inner bottom of the pressure-bearing box is fixedly installed with first servo motor at a side position of column.The present invention is used cooperatively by hoisting apparatus, rope and fixed pulley, small-sized object in architectural engineering can be carried out slinging processing, it improves the utilization rate of human resources and reduces building cost, servo motor and gear, it can be rotated centered on vertical pole after small-sized object is sling, convenient for adjusting the landing position after object is sling, it is convenient and efficient, it is easily operated.
Description
Technical field
The present invention relates to building engineering equipment technical field more particularly to a kind of center whirlers for architectural engineering
Tool.
Background technique
Architectural engineering, refer to by construction to all kinds of building constructions and its affiliated facility and route matched with its, pipeline,
The installation activity of equipment is formed by engineering entity, wherein " building construction ", which refers to, top cover, beam column, wall, basis and can
Inner space is formed, meets people's production, lives, learns, the engineering that public activity needs, in construction projects, it is often necessary to
Object is carried out to sling processing, for object lesser for some weight, completes to sling work using large-scale tower crane excessively
Waste, therefore, what architectural engineering needed some small-sized cranes to complete small-sized object slings work.
But not only structure is complicated for common small-sized crane in architectural engineering at present, but also has a single function, and is not particularly suited for
Small-sized object slings work, and we have proposed a kind of center rotating machineries for architectural engineering thus to assist small-sized object
Sling going on smoothly for work.
Summary of the invention
The purpose of the present invention is to solve small-sized crane common in architectural engineering in the prior art, not only structure is complicated,
And it has a single function, a kind of center for architectural engineering for being not particularly suited for the work problem of slinging of small-sized object, and proposing
Rotating machinery.
To achieve the above object, present invention employs following technical solutions：A kind of center whirler for architectural engineering
Tool, including pressure-bearing box, the inside of the pressure-bearing box is fixedly installed with battery, and the inside of pressure-bearing box is close to the side of battery
Inverter is fixedly installed at position, the inner bottom of the pressure-bearing box is rotatably connected to vertical at a side position of inverter
The middle part outside of column, the column is socketed with driven gear, and the inner bottom of the pressure-bearing box is at a side position of column
Be fixedly installed with first servo motor, the upper end of the first servo motor is fixedly installed with driving gear, the column it is upper
End is fixedly connected with bearing plate, and the lower surface edge of the bearing plate is fixedly installed with universal at the outer fix of column
Wheel, the upper surface of the bearing plate are fixedly installed with vertical pole, and the upper end of the vertical pole is fixedly installed with transverse slat, the transverse slat it is upper
Surface is fixedly installed with photovoltaic solar cell panels, and the lower surface of the transverse slat is fixedly installed at a side position of vertical pole
First fixed pulley, and the lower surface of transverse slat is fixedly installed with the second fixed pulley at another side position of vertical pole, described first
The upper surface of fixed pulley and the second fixed pulley is provided with rope, and one end of the rope is fixedly connected with hook, and rope
The other end is fixedly connected with hoisting apparatus, and the front surface of the pressure-bearing box is fixedly installed with control switch, the photovoltaic solar
The output end of solar panel and the input terminal of battery are electrically connected, and the output end of the battery and the input terminal of inverter are electrical
Connection, the output end of the inverter and the input terminal of control switch are electrically connected, the output end of the control switch and first
The input terminal of servo motor is electrically connected.
As a preferred technical solution of the present invention, the hoisting apparatus includes the second servo motor, winding drum, first
Limit plate and the second limit plate, are provided with the second servo motor on rear side of the hoisting apparatus, before second servo motor
End is fixedly connected with winding drum, and the front surface insertion of the winding drum is connected with the first limit plate, and the rear surface of winding drum is embedding
Enter to be connected with the second limit plate, the input terminal electric connection of the output end of the control switch and the second servo motor.
As a preferred technical solution of the present invention, between the lower end and pressure-bearing box of the column, winding drum and first
It is rotatablely connected by bearing between limit plate and between winding drum and the second limit plate, the inside of bearing is coated with lubrication
Oil.
As a preferred technical solution of the present invention, the side position of the lower surface of the transverse slat close to the second fixed pulley
Place is fixedly installed with clump weight, and clump weight is a kind of component of lead saw lumber matter.
As a preferred technical solution of the present invention, connection is engaged between the driven gear and driving gear, and from
Having number of gears ratio set by moving gear and driving gear is 1:5.
As a preferred technical solution of the present invention, close to the side of the first fixed pulley position between the vertical pole and transverse slat
The place of setting is fixedly connected with reinforcing rod, the equal company of being bolted between the vertical pole and reinforcing rod and between transverse slat and reinforcing rod
It connects.
Compared with prior art, the present invention provides a kind of center rotating machinery for architectural engineering, having following has
Beneficial effect：
1, the center rotating machinery for being used for architectural engineering can by being used cooperatively for hoisting apparatus, rope and fixed pulley
Small-sized object in architectural engineering is carried out to sling processing, improve the utilization rate of human resources and reduces building cost.
2, the center rotating machinery for being used for architectural engineering, by servo motor and gear, can after small-sized object is sling,
It is rotated centered on vertical pole, it is convenient and efficient convenient for adjusting the landing position after object is sling, it is easily operated.
3, the center rotating machinery for being used for architectural engineering is that electrical equipment is supplied by photovoltaic solar cell panels
Electricity, without accessing civilian electricity, and photovoltaic solar cell panels can be by the current storage of conversion in battery, will by inverter
DC conversion is at alternating current, even can also work in the state of the cloudy day.
4, the center rotating machinery for being used for architectural engineering, it is scientific and reasonable for structure, it is safe and convenient to use, improve small hoist
The practical performance of machine allows what small-sized crane was more applicable for the middle-size and small-size object of architectural engineering to sling work.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is front view of the invention；
Fig. 3 is the side view of hoisting apparatus of the present invention.
In figure：1, pressure-bearing box；2, battery；3, inverter；4, column；5, driven gear；6, first servo motor；7, main
Moving gear；8, bearing plate；9, universal wheel；10, vertical pole；11, transverse slat；12, photovoltaic solar cell panels；13, the first fixed pulley；
14, the second fixed pulley；15, rope；16, it links up with；17, hoisting apparatus；171, the second servo motor；172, winding drum；173,
One limit plate；174, the second limit plate；18, control switch.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Referring to Fig.1-3, the inside of a kind of center rotating machinery for architectural engineering, including pressure-bearing box 1, pressure-bearing box 1 is solid
Dingan County is equipped with battery 2, and the inside of pressure-bearing box 1 is fixedly installed with inverter 3, pressure-bearing at a side position of battery 2
The inner bottom of box 1 is rotatably connected to column 4 at a side position of inverter 3, is socketed on the outside of the middle part of column 4 driven
The inner bottom of gear 5, pressure-bearing box 1 is fixedly installed with first servo motor 6, the first servo at a side position of column 4
The upper end of motor 6 is fixedly installed with driving gear 7, and the upper end of column 4 is fixedly connected with bearing plate 8, the lower surface side of bearing plate 8
Edge is fixedly installed with universal wheel 9 at the outer fix of column 4, and the upper surface of bearing plate 8 is fixedly installed with vertical pole 10, vertical pole
10 upper end is fixedly installed with transverse slat 11, and the upper surface of transverse slat 11 is fixedly installed with photovoltaic solar cell panels 12, transverse slat 11
Lower surface is fixedly installed with the first fixed pulley 13 at a side position of vertical pole 10, and the lower surface of transverse slat 11 is close to vertical pole 10
Another side position at be fixedly installed with the second fixed pulley 14, the upper surface of the first fixed pulley 13 and the second fixed pulley 14 is respectively provided with
There is rope 15, one end of rope 15 is fixedly connected with hook 16, and the other end of rope 15 is fixedly connected with hoisting apparatus 17, holds
The front surface of pressure box 1 is fixedly installed with control switch 18, the input of the output end and battery 2 of photovoltaic solar cell panels 12
End is electrically connected, and the output end of battery 2 and the input terminal of inverter 3 are electrically connected, the output end and control switch of inverter 3
18 input terminal is electrically connected, and the output end of control switch 18 and the input terminal of first servo motor 6 are electrically connected.
For the ease of hoisting heavy, in the present embodiment, it is preferred that hoisting apparatus 17 includes the second servo motor 171, elevator
Cylinder the 172, first limit plate 173 and the second limit plate 174, the rear side of hoisting apparatus 17 are provided with the second servo motor 171, and second
The front end of servo motor 171 is fixedly connected with winding drum 172, and the front surface insertion of winding drum 172 is connected with the first limit plate
173, and the rear surface insertion of winding drum 172 is connected with the second limit plate 174, the output end of control switch 18 and the second servo electricity
The input terminal of machine 171 is electrically connected.
Rotated for the ease of column 4 and winding drum 172, in the present embodiment, it is preferred that the lower end of column 4 and pressure-bearing box 1 it
Between, pass through between winding drum 172 and the first limit plate 173 and bearing between winding drum 172 and the second limit plate 174 and rotate
Connection, the inside of bearing is coated with lubricating oil.
For the ease of keeping balance, in the present embodiment, it is preferred that the lower surface of transverse slat 11 close to the second fixed pulley 14 one
Clump weight is fixedly installed at side position, clump weight is a kind of component of lead saw lumber matter.
For the ease of proportional transmission, in the present embodiment, it is preferred that the company of engagement between driven gear 5 and driving gear 7
It connects, and having number of gears ratio set by driven gear 5 and driving gear 7 is 1:5.
For the ease of improving stability, in the present embodiment, it is preferred that close to the first fixed pulley between vertical pole 10 and transverse slat 11
It is fixedly connected with reinforcing rod at 13 side position, passes through between vertical pole 10 and reinforcing rod and between transverse slat 11 and reinforcing rod
Bolt is fixedly connected.
The working principle of the invention and process for using：Hook 16 is connected with the hanging ring of weight to be lifted, stable connection
Afterwards, the power supply of the second servo motor 171 can be connected by control switch 18, the second servo motor 171 is allowed to work normally, second
Servo motor 171 rotates forward, and then will drive winding drum 172 and rotate forward, so as to which rope 15 is wrapped in winding drum
172 surface, under the action of the first fixed pulley 13 and the second fixed pulley 14, weight is lifted, similarly, the second servo motor
171 reversion can put down weight, when needing to change the landing position of weight, by control switch 18, can allow the first servo
Motor 6 rotate, first servo motor 6 by drive driving gear 7 rotation, and then drive driven gear 5 rotation, due to from
Moving gear 5 is socketed in the outside of column 4, and the upper end of column 4 is fixedly connected with bearing plate 8, therefore, in the effect of universal wheel 9
Under, the rotation of driven gear 5 will drive bearing plate 8 and be rotated, and then the part of 8 or more bearing plate can be driven to be turned
It is dynamic, realize the change of weight landing position, in the whole process, required electric energy both is from photovoltaic solar cell panels
12, photovoltaic solar cell panels 12 are a kind of semiconductor devices, can convert solar energy into electrical energy for storage in battery 2
Inside, then the conversion through inverter 3 are supplied respectively to by the DC conversion in battery 2 at alternating current to first servo motor
6 and second servo motor 171, it is convenient and efficient, it is simple and effective.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of center rotating machinery for architectural engineering, including pressure-bearing box (1), which is characterized in that the pressure-bearing box (1)
Inside is fixedly installed with battery (2), and the inside of pressure-bearing box (1) is fixedly installed at a side position of battery (2)
The inner bottom of inverter (3), the pressure-bearing box (1) is rotatably connected to column (4) at a side position of inverter (3),
It is socketed with driven gear (5) on the outside of the middle part of the column (4), the inner bottom of the pressure-bearing box (1) is close to the one of column (4)
It is fixedly installed at side position first servo motor (6), the upper end of the first servo motor (6) is fixedly installed with driving gear
(7), the upper end of the column (4) is fixedly connected with bearing plate (8), and the lower surface edge of the bearing plate (8) is close to column (4)
Outer fix at be fixedly installed with universal wheel (9), the upper surface of the bearing plate (8) is fixedly installed with vertical pole (10), described
The upper end of vertical pole (10) is fixedly installed with transverse slat (11), and the upper surface of the transverse slat (11) is fixedly installed with photovoltaic solar cell
The lower surface of plate (12), the transverse slat (11) is fixedly installed with the first fixed pulley (13) at a side position of vertical pole (10),
And the lower surface of transverse slat (11) is fixedly installed with the second fixed pulley (14) at another side position of vertical pole (10), described first
The upper surface of fixed pulley (13) and the second fixed pulley (14) is provided with rope (15), and one end of the rope (15) is fixedly connected
Have hook (16), and the other end of rope (15) is fixedly connected with hoisting apparatus (17), the front surface of the pressure-bearing box (1) is fixed
It is equipped with control switch (18), the input terminal of the output end and battery (2) of the photovoltaic solar cell panels (12) electrically connects
It connects, the output end of the battery (2) and the input terminal of inverter (3) are electrically connected, the output end of the inverter (3) and control
The input terminal of system switch (18) is electrically connected, the output end of the control switch (18) and the input terminal of first servo motor (6)
It is electrically connected.
2. a kind of center rotating machinery for architectural engineering according to claim 1, which is characterized in that described refitting
It sets (17) and includes the second servo motor (171), winding drum (172), the first limit plate (173) and the second limit plate (174), it is described
It is provided on rear side of hoisting apparatus (17) the second servo motor (171), the front end of second servo motor (171) is fixedly connected
Have winding drum (172), the front surface insertion of the winding drum (172) is connected with the first limit plate (173), and winding drum (172)
Rear surface insertion be connected with the second limit plate (174), the output end and the second servo motor (171) of the control switch (18)
Input terminal be electrically connected.
3. a kind of center rotating machinery for architectural engineering according to claim 1 or 2, which is characterized in that described vertical
Between the lower end and pressure-bearing box (1) of column (4), between winding drum (172) and the first limit plate (173) and winding drum (172) with
It is rotatablely connected by bearing between second limit plate (174), the inside of bearing is coated with lubricating oil.
4. a kind of center rotating machinery for architectural engineering according to claim 1, which is characterized in that the transverse slat
(11) lower surface is fixedly installed with clump weight at a side position of the second fixed pulley (14), and clump weight is a kind of lead saw lumber
The component of matter.
5. a kind of center rotating machinery for architectural engineering according to claim 1, which is characterized in that the driven tooth
Connection is engaged between wheel (5) and driving gear (7), and has the number of gears ratio to be set by driven gear (5) and driving gear (7)
1:5。
6. a kind of center rotating machinery for architectural engineering according to claim 1, which is characterized in that the vertical pole
(10) reinforcing rod, the vertical pole (10) are fixedly connected at a side position of the first fixed pulley (13) between transverse slat (11)
It is bolted to connection between reinforcing rod and between transverse slat (11) and reinforcing rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810796467.XA CN108910725A (en) | 2018-07-19 | 2018-07-19 | A kind of center rotating machinery for architectural engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810796467.XA CN108910725A (en) | 2018-07-19 | 2018-07-19 | A kind of center rotating machinery for architectural engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108910725A true CN108910725A (en) | 2018-11-30 |
Family
ID=64415054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810796467.XA Pending CN108910725A (en) | 2018-07-19 | 2018-07-19 | A kind of center rotating machinery for architectural engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108910725A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109484981A (en) * | 2018-12-06 | 2019-03-19 | 中建地下空间有限公司 | A kind of multiple spot lift for the rotary shaft excavation machine of method of sinking |
| CN110644374A (en) * | 2019-10-14 | 2020-01-03 | 中交武汉港湾工程设计研究院有限公司 | Multifunctional construction platform for concrete inner cavity and construction method thereof |
| CN110937520A (en) * | 2019-12-13 | 2020-03-31 | 湖南嘉力亚新材料有限公司 | Anti-drop adjustable carbon anode transfer suspension device |
| CN111532996A (en) * | 2020-04-16 | 2020-08-14 | 杨立新 | Heavy pipeline hoisting rope mechanism for highway engineering construction |
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| CN107413143A (en) * | 2017-09-15 | 2017-12-01 | 陈坚 | A kind of energy-saving environment protection intelligent tower crane high-altitude spray dust system |
| CN206970045U (en) * | 2017-07-29 | 2018-02-06 | 林焱 | A kind of construction hanging device |
| CN207404736U (en) * | 2017-11-15 | 2018-05-25 | 河南省英大机械制造有限公司 | A kind of architectural engineering elevator |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107010550A (en) * | 2017-05-17 | 2017-08-04 | 李瑞平 | A kind of counterweight can adjust cantilever type rotating crane |
| CN206970045U (en) * | 2017-07-29 | 2018-02-06 | 林焱 | A kind of construction hanging device |
| CN107413143A (en) * | 2017-09-15 | 2017-12-01 | 陈坚 | A kind of energy-saving environment protection intelligent tower crane high-altitude spray dust system |
| CN207404736U (en) * | 2017-11-15 | 2018-05-25 | 河南省英大机械制造有限公司 | A kind of architectural engineering elevator |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109484981A (en) * | 2018-12-06 | 2019-03-19 | 中建地下空间有限公司 | A kind of multiple spot lift for the rotary shaft excavation machine of method of sinking |
| CN110644374A (en) * | 2019-10-14 | 2020-01-03 | 中交武汉港湾工程设计研究院有限公司 | Multifunctional construction platform for concrete inner cavity and construction method thereof |
| CN110937520A (en) * | 2019-12-13 | 2020-03-31 | 湖南嘉力亚新材料有限公司 | Anti-drop adjustable carbon anode transfer suspension device |
| CN111532996A (en) * | 2020-04-16 | 2020-08-14 | 杨立新 | Heavy pipeline hoisting rope mechanism for highway engineering construction |
| CN111532996B (en) * | 2020-04-16 | 2021-12-24 | 杨立新 | Heavy pipeline hoisting rope mechanism for highway engineering construction |
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