CN116553399A - Lifting equipment suitable for high water head and large amplitude and use method - Google Patents
Lifting equipment suitable for high water head and large amplitude and use method Download PDFInfo
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- CN116553399A CN116553399A CN202310672177.5A CN202310672177A CN116553399A CN 116553399 A CN116553399 A CN 116553399A CN 202310672177 A CN202310672177 A CN 202310672177A CN 116553399 A CN116553399 A CN 116553399A
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- high water
- large amplitude
- lifting
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 89
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000000725 suspension Substances 0.000 claims description 26
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 230000005484 gravity Effects 0.000 claims description 6
- 239000011435 rock Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Classifications
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- 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
- B66C23/60—Derricks
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- 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
- B66C23/18—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 specially adapted for use in particular purposes
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- 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
- B66C23/82—Luffing gear
-
- 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
- B66C23/88—Safety gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/03—Cranes with arms or jibs; Multiple cranes
- B66C2700/0392—Movement of the crane arm; Coupling of the crane arm with the counterweights; Safety devices for the movement of the arm
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention relates to lifting equipment suitable for high water head and large amplitude and a use method thereof, wherein the lifting equipment comprises a foundation structure and a mast crane, the foundation structure is arranged in water and extends out of the water surface, the foundation structure comprises a pile foundation, the top of the pile foundation is connected with a bearing platform, the top of the bearing platform is connected with a support, the top of the support is connected with a foundation platform, the elevation of the foundation platform is larger than that of the highest water level, the foundation platform is provided with the mast crane, the foundation structure is divided into a first foundation, a second foundation, a third foundation and a fourth foundation, the first foundation is provided with a rotary driving mechanism of the mast crane, the rotary driving mechanism rotates in the horizontal plane, the second foundation and the third foundation are respectively provided with a diagonal bracing of the mast crane, the fourth foundation is provided with a winch of the mast crane, and the lifting range of the mast crane can cover the position of a transport ship in low water level period and a storage platform on land. The hoisting equipment has the advantages of simple structure, convenient use and good effect.
Description
Technical Field
The invention relates to the technical field of lifting, in particular to lifting equipment suitable for high water head difference and large amplitude and a use method thereof.
Background
In general, the components are transported by land and launched in a ship loading mode, and are usually lifted by a crane, or steel trestle is paved by land and shoreside, and a gantry crane is arranged on the steel trestle for lifting, or a floating crane is used for lifting.
However, in areas with large annual water level drops, such as some reservoirs, the water level rises in the rainy period, the water level falls in dry seasons, and the water level approaches the river bank.
The lifting mode of the crane is feasible at high water level, but can not be operated in dry seasons, the lifting range can not cover the ship-off area, and the crane lifting weight can not meet the lifting requirement of large-tonnage components.
As shown in fig. 1 and 2, the steel trestle is matched with the gantry crane, and the large-tonnage gantry crane is arranged from the river bank to the lowest water level berthing position by erecting the steel trestle, so that the member launching requirement can be met, but the lower the water level is, the higher the steel trestle is, the higher the safety risk is, and the longer the steel trestle is, the uneconomical the steel trestle is erected.
The mode of using the floating crane can satisfy the hoisting demand, but at low water level, the floating crane can be kept away from the river bank, causes that the hoisting distance is insufficient, can not cover the component and hoist the position, and this equipment expense is high, uneconomical.
Disclosure of Invention
The invention aims at: aiming at the problems existing in the prior art, the lifting equipment suitable for high water head difference and large amplitude and the use method thereof are provided.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
in a first aspect, the invention provides lifting equipment suitable for high water head difference and large amplitude, which comprises a foundation structure and a mast crane, wherein the foundation structure is arranged in water and extends out of the water surface, the foundation structure comprises a pile foundation, the top of the pile foundation is connected with a bearing platform, the top of the bearing platform is connected with a support, the top of the support is connected with a foundation platform, the elevation of the foundation platform is larger than that of the highest water level, the foundation platform is provided with the mast crane, the foundation structure is divided into a first foundation, a second foundation, a third foundation and a fourth foundation, the first foundation is provided with a rotation driving mechanism of the mast crane, the rotation driving mechanism rotates in the horizontal plane, the second foundation and the third foundation are respectively provided with a diagonal bracing of the mast crane, the fourth foundation is provided with a winch of the mast crane, and the lifting range of the mast crane can cover the position of a transport ship at a low water level and a storage platform on a land.
By adopting the hoisting equipment suitable for high water level difference and large amplitude, the foundation structure of the mast crane is arranged in water in a high water level period, so that the coverage area of the mast crane is closer to a shipping line in a low water level period, the hoisting requirements of high water level differences in different water level periods are met, a stable foundation is provided by the pile foundation and the bearing platform, the problem of foundation stress of the mast crane is solved, the problem that the mast crane foundation is submerged in water in the high water level period is solved by erecting the support in water, and the first foundation, the second foundation, the third foundation and the fourth foundation are distributed, so that the installation position requirement of each part of the mast crane is met, the construction cost is saved, the problem that members in a high water level fall area are submerged from land all year round is solved.
As a preferable technical scheme of the invention, the pile foundation stretches into the rock stratum, and the bearing platform is arranged at the water bottom in a high water level period.
As a preferable technical scheme of the invention, the bearing platform is provided with the embedded pipe in an embedded way, and the top of the embedded pipe is connected with the bracket.
As a preferable technical scheme of the invention, the supports of the first foundation, the second foundation, the third foundation and the fourth foundation are connected into a whole through trusses, so that the stability of the foundation structure is improved.
As a preferred solution of the invention, the hoisting equipment suitable for high water head and large amplitude also comprises a trestle extending from land to the foundation structure.
And constructing the foundation structure and installing the mast crane on the trestle by using a crane by erecting the trestle.
As a further preferable technical scheme of the invention, the trestle comprises a steel pipe pile, wherein a bailey beam is connected to the steel pipe pile, and a trestle platform is connected to the bailey beam.
As a further preferable technical scheme of the invention, the storage platform is arranged beside the trestle.
As a preferable technical scheme of the invention, the bearing platform corresponding to the diagonal brace is a gravity bearing platform.
By adopting the structure, when the mast crane lifts the component, the inclined strut can generate tension to the foundation, so as to prevent equipment from overturning caused by overlarge tension, the bearing platform is designed as a gravity bearing platform, and the upward tension generated by the inclined strut is counteracted by the weight of the bearing platform, so that the equipment is prevented from overturning.
As a preferable technical scheme of the invention, the mast crane further comprises a chassis, the chassis is simultaneously connected with the foundation platforms of the first foundation, the second foundation, the third foundation and the fourth foundation, the chassis is provided with a rotation driving mechanism, the rotation driving mechanism is connected with a stand column and a suspension arm in a hinged manner, the top of the stand column is connected with the tops of the two diagonal braces, the top of the suspension arm is connected with the top of the stand column through a first traction rope, the suspension arm is connected with a variable amplitude fixed pulley block in a sliding manner, and a second traction rope of the winch is connected with a main hook through the variable amplitude fixed pulley block.
As a further preferable technical scheme of the invention, the top end of the suspension arm is connected with an auxiliary hook.
In a second aspect, the present invention also provides a method of using lifting equipment as described above for high head and large amplitude, comprising the steps of:
s1, taking a central line of an included angle between two inclined struts as a rotation zero line of the suspension arm;
s2, the rotation range of the boom from the rotation zero line to the clockwise is 0-110 degrees, and the boom covers the position of the low-water-level period berthing transport ship, and the rotation range of the boom from the rotation zero line to the anticlockwise is 0-110 degrees, and covers the storage platform on land;
s3, the lifting height of the suspension arm is 45m below the elevation of the foundation platform and 60m above the elevation of the foundation platform;
s4, the main hook can perform amplitude-variable work through the amplitude-variable fixed pulley block, and the lifting component can be overturned in the air through the cooperation of the main hook and the auxiliary hook.
The use method of the lifting equipment suitable for high water head and large amplitude of the invention utilizes the lifting arm to lift in a vertical plane of-45 m to +60m, rotates in a range of +/-110 degrees, utilizes the main hook to lift in full amplitude and can lift with the auxiliary hook, thereby meeting the requirements of component overturning and lifting weight and realizing the annual transportation of components in high water head areas by land water.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. according to the hoisting equipment suitable for high water level difference and large amplitude, the foundation structure of the mast crane is arranged in water in a high water level period, so that the coverage area of the mast crane is closer to a shipping line in a low water level period, the hoisting requirements of high water level differences in different water level periods are met, a stable foundation is provided through the pile foundation and the bearing platform, the problem of foundation stress of the mast crane is solved, the problem that the foundation of the mast crane is submerged in water in the high water level period is solved through erecting the support in water, and the first foundation, the second foundation, the third foundation and the fourth foundation are distributed, so that the installation position requirement of each part of the mast crane is met, the engineering cost is saved, the problem that a member in a high water level fall area is submerged from land all year is solved;
2. according to the hoisting equipment suitable for high water head difference and large amplitude, the inclined strut can generate tension on a foundation when the mast crane lifts a component, and in order to prevent equipment from overturning caused by overlarge tension, the bearing platform is designed as a gravity bearing platform, and the upward tension generated by the inclined strut is counteracted by the weight of the bearing platform, so that the equipment is prevented from overturning;
3. the use method of the lifting equipment suitable for high water head and large amplitude is characterized in that the lifting arm is utilized to lift in a vertical plane of-45 m to +60m, rotate in a range of +/-110 degrees, and fully load and lift by utilizing the main hook, and can lift with the auxiliary hook, so that the requirements of component overturning and lifting weight are met, and the annual transportation of components in high water head areas from land to water is realized.
Drawings
FIG. 1 is a schematic view of an amphibious transport elevation structure of a steel trestle matched with a portal crane;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a schematic plan layout of lifting equipment suitable for high head and large amplitude;
fig. 4 is a schematic elevational view of lifting equipment suitable for high water head and large amplitude.
The marks in the figure: 1-first foundation, 2-second foundation, 3-third foundation, 4-fourth foundation, 5-mast crane, 51-chassis, 52-slewing drive mechanism, 53-upright post, 54-diagonal bracing, 55-suspension arm, 56-luffing fixed pulley block, 57-main hook, 58-auxiliary hook, 6-trestle, 7-storage platform, 8-transport vessel, 9-pile foundation, 10-bearing platform, 11-embedded pipe, 12-bracket, 13-truss and 14-foundation platform.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
As shown in fig. 3 and 4, the hoisting equipment suitable for high water head and large amplitude according to the present invention comprises a foundation structure, a mast crane 5 and a trestle 6.
As shown in fig. 4, the foundation structure is arranged in water and extends out of the water surface, the foundation structure comprises a pile foundation 9, a bearing platform 10 is connected to the top of the pile foundation 9, the pile foundation 9 extends into a rock stratum, the bearing platform 10 is arranged at the water bottom of a high water level period, an embedded pipe 11 is embedded in the bearing platform 10, the top of the embedded pipe 11 is connected with a support 12, the top of the support 12 is connected with a foundation platform 14, the elevation of the foundation platform 14 is larger than the elevation of the highest water level, and the foundation platform 14 is provided with the mast crane 5.
As shown in fig. 3, the foundation structure is divided into a first foundation 1, a second foundation 2, a third foundation 3, and a fourth foundation 4, the first foundation 1 is provided with a swing driving mechanism 52 of the mast crane 5, the swing driving mechanism 52 swings in a horizontal plane, the second foundation 2 and the third foundation 3 are respectively provided with a diagonal brace 54 of the mast crane 5, and the fourth foundation 4 is provided with a hoist of the mast crane 5; the supports 12 of the first foundation 1, the second foundation 2, the third foundation 3 and the fourth foundation 4 are connected into a whole through trusses 13, so that the stability of the foundation structure is improved; the bearing platform 10 corresponding to the diagonal brace 54 is a gravity bearing platform, and with this structure, when the mast crane 5 lifts a member, the diagonal brace 54 will generate a tensile force on a foundation, so as to prevent equipment from overturning due to excessive tensile force, the bearing platform 10 is designed as a gravity bearing platform, and the upward tensile force generated by the diagonal brace 54 is offset by the weight of the bearing platform 10, so as to avoid equipment overturning.
As shown in fig. 3, the hoisting range of the mast crane 5 can cover the position of the low-water-level berthing carrier 8 and the storage platform 7 on land.
As shown in fig. 3 and 4, the trestle 6 extends from land to the foundation structure, the trestle 6 comprises a steel pipe pile, a bailey beam is connected to the steel pipe pile, a trestle platform is connected to the bailey beam, the storage platform 7 is arranged beside the trestle 6, and construction of the foundation structure and installation of the mast crane 5 are performed on the trestle 6 by erecting the trestle 6 by using a crane.
As shown in fig. 4, the mast crane 5 further includes a chassis 51, the chassis 51 is simultaneously connected with the first foundation 1, the second foundation 2, the third foundation 3 and the fourth foundation 4 respectively with the foundation platform 14, the chassis 51 is provided with a rotation driving mechanism 52, the rotation driving mechanism 52 is connected with a stand column 53 and is hinged with a suspension arm 55, the top of the stand column 53 is connected with the tops of two diagonal braces 54, the top of the suspension arm 55 is connected with the top of the stand column 53 through a first traction rope, the suspension arm 55 is connected with a luffing fixed pulley block 56 in a sliding manner, a second traction rope of the winch is connected with a main hook 57 through the luffing fixed pulley block 56, and the top of the suspension arm 55 is connected with an auxiliary hook 58.
The arm length of the suspension arm 55 is 70m, the lifting height of the suspension arm 55 is 45m below the elevation of the base platform 14 and 60m above the elevation, the rotation angle of the suspension arm 55 is +/-110 degrees, the working amplitude of the variable amplitude fixed pulley block 56 is 20m-65m, the maximum lifting weight of the main hook 57 is 220t, and the maximum lifting weight of the auxiliary hook 58 is 110t.
The mast crane 5 is constructed in the following sequence: selecting the installation position of the mast crane 5, performing geological investigation, determining the form and the length (such as friction piles or end bearing piles) of the pile foundation 9, preparing slurry, constructing the pile foundation 9, processing the support 12, constructing the bearing platform 10, embedding the embedded pipe 11, constructing the support 12, synchronously performing steel pipe pile construction of the trestle 6, finishing the construction of the support 12, installing the foundation platform 14, installing the trestle 6 bailey beams and trestle platforms, installing the chassis 51, installing the slewing drive mechanism 52, installing the upright posts 53, installing the diagonal braces 54, installing the suspension arms 55, installing the windlass and the main and auxiliary hooks, and performing trial hoisting of the mast crane 5.
According to the hoisting equipment suitable for high water level difference and large amplitude, the foundation structure of the mast crane 5 is arranged in water in a high water level period, so that the coverage area of the mast crane 5 is closer to shipping lines in a low water level period, hoisting requirements of high water level differences in different water level periods are met, a stable foundation is provided through the pile foundation 9 and the bearing platform 10, the problem of foundation stress of the mast crane 5 is solved, the problem that the foundation of the mast crane 5 is submerged in water in the high water level period is solved through erecting the support 12 in water, and the first foundation 1, the second foundation 2, the third foundation 3 and the fourth foundation 4 are distributed, so that the installation position requirements of all parts of the mast crane 5 are met, the engineering cost is saved, the problem that members in the high water level difference area are submerged all year around is solved, and the hoisting equipment is simple in structure, convenient to use and good in effect.
Example 2
As shown in fig. 3 and 4, a method for using lifting equipment suitable for high water head and large amplitude according to embodiment 1 of the present invention comprises the following steps:
s1, taking a central line of an included angle between two diagonal braces 54 as a rotation zero line of the suspension arm 55;
s2, the rotation range of the suspension arm 55 clockwise from a rotation zero line is 0-110 degrees, and the suspension arm 55 anticlockwise from the rotation zero line is 0-110 degrees, and covers the position of the low-water-level berthing transport ship 8, and covers the storage platform 7 on land;
s3, the lifting height of the suspension arm 55 is 45m below the elevation of the foundation platform 14 and 60m above the elevation;
s4, the main hook 57 can perform amplitude-changing work through the amplitude-changing fixed pulley block 56, and the lifting members can be overturned in the air through the cooperation of the main hook 57 and the auxiliary hook 58.
According to the use method of the lifting equipment suitable for high water head and large amplitude, the lifting arm 55 is utilized to lift in a vertical plane ranging from minus 45m to plus 60m, the lifting arm rotates within a range of +/-110 degrees, the main hook 57 is utilized to lift in a full-amplitude full-load mode, the lifting arm can lift with the auxiliary hook 58, the requirements of component overturning and lifting weight are met, and the components in a high water head area can be transported by land water all the year round.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (10)
1. The utility model provides a lifting equipment suitable for high water head and big amplitude, its characterized in that, including foundation structure and mast hoist (5), foundation structure locates in the aquatic and stretches out the surface of water, foundation structure includes pile foundation (9), pile foundation (9) top is connected with cushion cap (10), cushion cap (10) top is connected with support (12), support (12) top is connected with foundation platform (14), the elevation of foundation platform (14) is greater than the elevation of highest water level, foundation platform (14) set up mast hoist (5), foundation structure divide into first basis (1), second basis (2), third basis (3) and fourth basis (4), first basis (1) set up rotation actuating mechanism (52) of mast hoist (5), rotation actuating mechanism (52) are in the horizontal plane, second basis (2) with third basis (3) set up respectively diagonal bracing (54) of mast hoist (5), fourth basis (4) set up mast hoist (5) can store the range of mast hoist (5) and the overhead crane of ship position (8) can be deposited on the ground.
2. Hoisting equipment suitable for high water head and large amplitude according to claim 1, characterized in that the pile foundation (9) extends into the rock formation and the platform (10) is arranged at the bottom of the water in the high water stage.
3. Hoisting equipment suitable for high water head and large amplitude according to claim 1, characterized in that the bearing platform (10) is pre-buried with an embedded pipe (11), and the top of the embedded pipe (11) is connected with the bracket (12).
4. Lifting equipment suitable for high water head and large amplitude according to claim 1, characterized in that the supports (12) of the first foundation (1), the second foundation (2), the third foundation (3) and the fourth foundation (4) are connected as a whole by means of trusses (13).
5. Lifting equipment suitable for high water head and large amplitude according to claim 1, further comprising a trestle (6), said trestle (6) extending from land to said foundation structure.
6. The lifting device suitable for high water head and large amplitude according to claim 5, wherein the trestle (6) comprises a steel pipe pile, a bailey beam is connected to the steel pipe pile, and a trestle platform is connected to the bailey beam.
7. Lifting equipment suitable for high water head and large amplitude according to claim 1, characterized in that the bearing platform (10) to which the diagonal braces (54) correspond is a gravity bearing platform.
8. Lifting equipment suitable for high water head and large amplitude according to any of claims 1-7, characterized in that the mast crane (5) further comprises a chassis (51), the chassis (51) is simultaneously connected with the first foundation (1), the second foundation (2), the third foundation (3) and the fourth foundation (4) respectively the foundation platform (14), the chassis (51) is provided with the slewing drive mechanism (52), the slewing drive mechanism (52) is connected with a stand column (53) and is hinged with a suspension arm (55), the top of the stand column (53) is connected with the tops of two diagonal braces (54), the top of the suspension arm (55) is connected with the tops of the stand column (53) through a first traction rope, the suspension arm (55) is connected with a fixed pulley block (56) in a sliding manner, and the second traction rope of the winch is connected with a main hook (57) through the amplitude-varying fixed pulley block (56).
9. Lifting equipment suitable for high head and large amplitude according to claim 8, characterized in that the top end of the boom (55) is connected with a secondary hook (58).
10. A method of using lifting equipment adapted for high head and wide amplitude as claimed in any of claims 9, comprising the steps of:
s1, taking a central line of an included angle between two diagonal braces (54) as a rotation zero line of the suspension arm (55);
s2, the clockwise rotation range of the suspension arm (55) from the rotation zero line is 0-110 degrees, the position of the low-water-level period berthing transport ship (8) is covered, the anticlockwise rotation range of the suspension arm (55) from the rotation zero line is 0-110 degrees, and the storage platform (7) on land is covered;
s3, the lifting height of the suspension arm (55) is 45m below the elevation of the foundation platform (14) and 60m above the elevation;
s4, the main hook (57) can perform amplitude-changing work through the amplitude-changing fixed pulley block (56), and the lifting members can be overturned in the air through the cooperation of the main hook (57) and the auxiliary hook (58).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310672177.5A CN116553399A (en) | 2023-06-07 | 2023-06-07 | Lifting equipment suitable for high water head and large amplitude and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310672177.5A CN116553399A (en) | 2023-06-07 | 2023-06-07 | Lifting equipment suitable for high water head and large amplitude and use method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116553399A true CN116553399A (en) | 2023-08-08 |
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ID=87494742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310672177.5A Pending CN116553399A (en) | 2023-06-07 | 2023-06-07 | Lifting equipment suitable for high water head and large amplitude and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116553399A (en) |
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2023
- 2023-06-07 CN CN202310672177.5A patent/CN116553399A/en active Pending
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