CN112429159A - Small-size precision construction ship - Google Patents
Small-size precision construction ship Download PDFInfo
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- CN112429159A CN112429159A CN202011148053.XA CN202011148053A CN112429159A CN 112429159 A CN112429159 A CN 112429159A CN 202011148053 A CN202011148053 A CN 202011148053A CN 112429159 A CN112429159 A CN 112429159A
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- 238000010276 construction Methods 0.000 title claims abstract description 104
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000003860 storage Methods 0.000 claims abstract description 15
- 238000005553 drilling Methods 0.000 claims description 7
- 210000002221 olecranon process Anatomy 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 3
- 230000007306 turnover Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 239000011435 rock Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
- B63B43/02—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
- B63B43/04—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
- B63B43/02—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
- B63B43/04—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability
- B63B43/06—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability using ballast tanks
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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
- B66C23/06—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 mounted for jibbing or luffing movements
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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
- B66C23/36—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 mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
- B66C23/52—Floating cranes
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/02—Supports for the drilling machine, e.g. derricks or masts specially adapted for underwater drilling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a small-sized precision construction ship which mainly comprises a ship body, a plurality of water storage bins, a base, a limiting device and a self-stabilizing adjusting system. The base is movably arranged on the ship body, the construction device is arranged on the base, the limiting device has two working states of locking and loosening the base, and the limiting device is arranged on the ship body. The self-stabilizing adjusting system can sense the relative position of the base on the ship body and the inclination angle of the ship body and control the water storage bin to carry out water filling or water drainage. Can be provided with the danger coefficient among this steady governing system certainly, when the base removed the one end edge of hull, should sense current stability coefficient when being greater than the danger coefficient from steady governing system certainly, the reservoir of control base current position carries out the drainage, and the reservoir of the relative hull other end department of base is watered, keeps this small-size precision construction ship's overall balance through steady governing system certainly, avoids this small-size precision construction ship to be in under the eccentric state, and construction equipment overweight leads to the ship to turn over.
Description
Technical Field
The invention relates to the field of construction ships, in particular to a small-sized precision construction ship.
Background
At present, shipborne construction devices in the market are mainly large-scale equipment such as cutter suction ships, crane ships, grab ships and the like, and cannot be suitable for small and medium-sized projects with shallow water depths and limited space. For the construction operation under the special natural conditions and working conditions, two modes are mainly adopted, wherein one mode is that a temporary operation platform is pushed and filled in water or cofferdams are used for precipitation to carry out dry construction, and the other mode is that land equipment is temporarily fixed on a barge to carry out water operation. If the method of pushing and filling the temporary operating platform is adopted, not only is the construction progress influenced by long time consumption, but also the temporary platform is dug after being filled, which is not always economical, and is particularly not suitable for projects with scattered construction operating points; if the cofferdam precipitation method is adopted, the construction preparation time is long, a large number of water pumps are needed to be put into an area with a large permeability coefficient, and even precipitation cannot be achieved. If the construction operation is carried out by fixing the excavator on the barge, the problems of poor overall stability, poor safety performance, easy ship turning, inconvenient operation, troublesome accessory replacement, low efficiency and the like of the construction device are faced. In order to ensure the construction safety and realize the optimal economic benefit, a professional multifunctional construction ship needs to be designed.
Disclosure of Invention
The invention aims to provide a small-sized precision construction ship which is convenient for precision construction in a construction environment with shallow water depth and narrow operation space.
The technical scheme adopted by the invention is as follows: a small precision construction ship comprising:
a hull;
the water storage bins are uniformly distributed in the hull;
the base is movably arranged on the ship body and provided with a construction device;
the limiting device is provided with two working states of locking and loosening the base and is arranged on the ship body; and
the self-stabilizing adjusting system controls the water storage bin to irrigate or drain water by sensing the relative position of the base on the ship body and the inclination angle of the ship body.
Has the advantages that: this construction equipment fixed connection in small-size precision construction ship is on the base, and on the mobilizable hull that sets up of base, cooperation stop device can carry out the secondary positioning after the hull stops, realizes high accuracy and quick construction location. When the base moves towards the end part or the edge position of the ship body, the control system can sense the position of the base, so that the water storage bin is controlled to carry out irrigation or drainage, the whole weight balance of the small-sized precision construction ship is ensured, and the phenomenon that the construction device is overweight to cause ship overturning under the condition that the small-sized precision construction ship is in an eccentric state is avoided. When hard rock construction is met, more water is poured into the water storage bin, the balance weight of the small-sized precision construction ship is increased, larger support reaction force is provided, and the success of hard rock crushing is ensured.
Furthermore, a rotary seat is arranged on the base, the rotary seat is rotatably arranged on the top surface of the base, and the construction device is fixed on the rotary seat.
Further, a transverse guiding device and a longitudinal guiding device are arranged on the ship body, the base is arranged on the transverse guiding device and the longitudinal guiding device, the transverse guiding device drives the base to move transversely, and the longitudinal guiding device drives the base to move longitudinally.
Furthermore, the longitudinal guide device is a slide rail, the slide rails are symmetrically distributed on two longitudinal sides of the ship body, the longitudinal guide device is fixedly connected to the ship body, the transverse guide device is a square frame formed by the slide rails, the transverse guide device is connected with the longitudinal guide device in a sliding mode, the transverse guide device is transversely fixed with two transverse rods, the base is connected to the two transverse rods in a sliding mode, and the base is connected with the transverse guide device in a sliding mode.
Further, the self-stabilizing adjusting system further comprises a plurality of gyroscopes, and the gyroscopes are arranged at the end edges of the ship body.
Furthermore, a hydraulic system is arranged on the base and provides power for the ship body, the construction device and the base.
Furthermore, the base is also provided with an operation and control chamber and a winch system, and the winch system is communicated with the construction device.
Furthermore, the construction device comprises a main arm, a replaceable support arm and a replaceable construction end head, wherein one end of the support arm is arranged on the main arm, and the construction end head is arranged at the other end of the support arm.
Further, the construction device further comprises a main arm oil cylinder piston rod and a support arm oil cylinder piston rod, the main arm oil cylinder piston rod is fixedly connected between the base and the main arm and drives the main arm to lift and settle, and the support arm oil cylinder piston rod is fixedly connected to the main arm and the support arm and drives the support arm to extend outwards and bend inwards.
Further, the construction end is any one of a bucket, a shell bucket, a wind gun head, a olecranon head, a grasping forceps, a rotary drilling bit, a long spiral drilling bit, a pile pressing head and a lifting hook, and the support arm is any one of a rotary support arm, a lifting support arm and a telescopic support arm.
Drawings
The invention is further illustrated with reference to the following figures and examples:
FIG. 1 is an overall structural view of an embodiment of the present invention;
FIG. 2 is a structural view of a crane according to an embodiment of the present invention;
fig. 3 is a structural diagram of a rotary drilling rig according to an embodiment of the invention.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 3, an embodiment of the invention provides a small-sized precision construction ship, which mainly comprises a ship body, a plurality of water storage bins, a base 2, a limiting device and a self-stabilizing adjusting system 3. A plurality of water storage bins are uniformly distributed inside the ship body 1, the water storage bins can be arranged into a plurality of layers, at least four corners inside the ship body 1 are provided with the water storage bins, and the whole balance of the ship body 1 can be realized by watering or draining water in the water storage bins. The base 2 is movably arranged on the ship body 1, the base 2 is provided with a construction device, the limiting device has two working states of locking and unlocking the base 2, and the limiting device is arranged on the ship body 1. The base 2 drives the construction device to move on the ship body 1, and after the small-sized precision construction ship stops integrally, the construction device can realize secondary positioning on the ship body 1. When meetting stormy waves or reef relief environment, avoid constructing the location through this small-size precision construction ship of redriving, with this small-size precision construction ship be close to construction area after alright stop, remove on base 2 through construction equipment to it is fixed with base 2 and hull 1 through stop device, realize accurate and quick secondary location. The self-stabilizing adjusting system 3 can sense the relative position of the base 2 on the ship body 1 and the inclination angle of the ship body 1 so as to control the water storage bin to carry out water filling or water drainage. This can be provided with danger coefficient in the steady governing system 3 certainly, when base 2 removed the one end edge of hull 1, should sense current stability coefficient when being greater than danger coefficient from steady governing system 3, the reservoir of 2 current positions of control base carries out the drainage, and the reservoir of the 1 other end department of the hull that base 2 is relative is irritated water, through the overall balance that keeps this small-size precision construction ship from steady governing system 3, avoid this small-size precision construction ship to be in under the eccentric state, construction equipment overweight leads to the ship turnover. When hard rock construction is met, more water is poured into the water storage bin, the balance weight of the small-sized precision construction ship is increased, larger support reaction force is provided, and the success of hard rock crushing is ensured.
Preferably, a rotary base is arranged on the base 2, the rotary base is rotatably arranged on the top surface of the base 2, and the construction device is arranged on the rotary base. The construction direction of the construction device is adjusted through the rotary seat, when a construction area has multiple construction places, the angle and the direction of the small-sized precise construction ship do not need to be adjusted, the preparation time in the construction process is shortened, and the construction efficiency is improved.
Preferably, the hull 1 is provided with transverse guiding means 5 and longitudinal guiding means 4. The transverse guide 5 drives the base 2 to move transversely, and the longitudinal guide 4 drives the base 2 to move longitudinally. The movement of the base 2 on the ship body 1 is controlled through the transverse guide device 5 and the longitudinal guide device 4, the structure is simple, the control is convenient, and the stability of the small-sized precision construction ship is improved.
Preferably, the longitudinal guide devices 4 are slide rails, the slide rails are symmetrically distributed on two longitudinal sides of the ship body 1, the longitudinal guide devices 4 are slide rails symmetrically distributed on the longitudinal direction of the ship body 1, the longitudinal guide devices 4 are fixedly connected to the ship body 1, the transverse guide devices 5 are square frames formed by the slide rails, the transverse guide devices 5 are in rolling connection with the longitudinal guide devices 4, the transverse guide devices 5 are transversely fixed with two cross rods, the base 2 is slidably connected to the two cross rods, and the base 2 is slidably connected with the transverse guide devices 5. The two ends of the cross rod are provided with telescopic hydraulic cylinders 6, the two longitudinal telescopic hydraulic cylinders 6 form a group, when the pistons of one group of telescopic hydraulic cylinders 6 push the base 2 to move horizontally along a certain direction, the pistons of the other group of telescopic hydraulic cylinders 6 pull the equipment base 2 along the direction, and the construction device is enabled to move transversely along the ship body 1. The end heads at the two ends of the longitudinal guide device 4 are provided with stop blocks to prevent the transverse guide device 5 from sliding out of the slide rail. Specifically, the bottom of the square frame end corner of the transverse guide device 5 is provided with a roller which rolls on the slide rail of the longitudinal guide device 4. The bottom of the end corner of the base 2 is provided with a roller which rolls on a slide rail of the transverse guiding device 5, and the longitudinal guiding device 4 and the transverse guiding device 5 are both provided with a limiting device which can lock the base 2. The transverse guiding device 5 can also be arranged into sliding rails which are transversely distributed on the ship body 1, the longitudinal guiding device 4 is arranged into a square frame formed by the sliding rails, rollers are arranged below end corners, the longitudinal guiding device 4 is connected to the transverse guiding device 5 in a sliding mode, automatic rail clamping devices are arranged on the rollers, the rollers stop rotating after being in place, the automatic rail clamping devices lock the position of the base 2, and the stability of the construction device in the working process is ensured. Because the length of the ship body 1 is larger than the width, the transverse guide device 5 is arranged on the longitudinal guide device 4 in the embodiment of the invention, the integral stability is improved, and the stress structure is more reasonable. The transverse guiding device 5 and the longitudinal guiding device 4 can also be arranged as a push-pull device, and the technical scheme of realizing the translation of the base 2 on the ship body 1 through a simple mechanical structure is also within the protection scope of the invention.
Preferably, the self-stabilizing regulation system 3 further comprises a plurality of gyroscopes 7, the gyroscopes 7 being mounted at the end edges of the hull 1. Specifically, this gyroscope 7 is installed at four extreme angle departments of hull 1 and the middle part of longitudinal edge, and this gyroscope 7 carries out real-time supervision to this small-size precision construction ship's stability, should judge this small-size precision construction ship's stability from steady governing system 3, and through the water yield in the control reservoir, the stability factor of guaranteeing this small-size precision construction ship is in within the normal band.
Preferably, a hydraulic system 8 is provided on the base 2 to power the hull 1, the construction equipment and the base 2. The hydraulic system 8 mainly comprises a hydraulic oil tank, a main pump, a multi-way valve, pipelines of different branch systems, an actuating oil cylinder, a motor and the like, and provides power for navigation, roller driving operation, sliding rail telescopic hydraulic cylinder 6 operation, base 2 rotation, construction device operation and other accessory facilities of the small-sized precision construction ship.
Preferably, the base 2 is further provided with a control chamber 9 and a winch system 15, and the winch system 15 is communicated with the construction device. The control room 9 is internally provided with a seat, an air conditioner, an operation button, a real-time display screen and the like, and driving, support arm construction action operation, GPS navigation imaging, stability synchronous monitoring, underwater video picture monitoring and the like are all completed in the control room 9. The hoist system 15 may be used in conjunction with a construction device.
Preferably, the construction device comprises a main arm 10, a replaceable arm having one end disposed on the main arm 10, and a replaceable construction head disposed on the other end of the arm. Be furnished with multi-functional replaceable support arm and construction end, be fit for all kinds of construction tasks on water, greatly reduced different construction equipment's lease expense and idle expense, economic nature is strong.
Preferably, the construction device further comprises a main arm cylinder piston rod 13 and a boom cylinder piston rod 14, the main arm cylinder piston rod 13 is fixedly connected between the base 2 and the main arm 10 to drive the main arm 10 to lift and sink, and the boom cylinder piston rod 14 is fixedly connected to the main arm 10 and the boom to drive the boom to extend and bend. The main arm 10 is hinged with the base 2 and is controlled to move by a main arm oil cylinder piston rod 13.
Specifically, the main arm 10 and the support arms are connected through bolts, so that the disassembly and the replacement are convenient, the hydraulic systems 8 of all the support arms are designed into the same type and can be mutually compatible, and the oil pipes are convenient to refit. The oil cylinder and the control circuit on the support arm have good waterproof and anti-corrosion performances, and can adapt to severe underwater operation environment, and the instrument fault occurrence rate is low.
Preferably, the construction end is any one of a bucket 1201, a shell bucket, a wind gun head, a olecranon head, a grasper, a rotary drill 1203, a long spiral drill, a pile pressing head, and a lifting hook 1202, and the boom is any one of a rotary boom 1101, a lifting boom 1102, and a telescopic boom 1103. The bucket 1201, the clamshell bucket, the wind cannon head, the olecranon head and the grasper can share the rotating arm 1101, the lifting hook 1202 can use the lifting arm 1102, the rotary drill 1203, the long auger bit and the pile driver can share the telescopic arm 1103, and the hoist system 15 is installed on the rotating base 2 and can independently provide driving force for the lifting hook 1202 assembly. The rotary drilling bit 1203 and the long spiral bit are adopted to conduct offshore drilling exploration and offshore concrete pouring pile pouring operation, and the wind cannon head and the olecranon head are adopted to conduct overwater hard reef excavation operation. A bucket 1201 and a shell bucket are adopted to carry out underwater stone paving operation. And a hoisting support arm 1102 is adopted to install prefabricated blocks and twisted blocks of the small wharf. All construction processes can be realized by only one device, the construction support arm and the construction end head are easy and convenient to replace, function conversion can be perfectly carried out, and continuity of front and rear construction itemized operation can be guaranteed.
While the embodiments of the present invention have been described in detail with reference to the drawings, 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 (10)
1. A small-sized precision construction ship, comprising:
a hull;
the water storage bins are uniformly distributed in the hull;
the base is movably arranged on the ship body and provided with a construction device;
the limiting device is provided with two working states of locking and loosening the base and is arranged on the ship body; and
the self-stabilizing adjusting system controls the water storage bin to irrigate or drain water by sensing the relative position of the base on the ship body and the inclination angle of the ship body.
2. The small-sized precision construction ship according to claim 1, wherein: the base is provided with a rotary seat, the rotary seat is rotatably arranged on the top surface of the base, and the construction device is fixed on the rotary seat.
3. The small-sized precision construction ship according to claim 1, wherein: the ship body is provided with a transverse guiding device and a longitudinal guiding device, the base is arranged on the transverse guiding device and the longitudinal guiding device, the transverse guiding device drives the base to move transversely, and the longitudinal guiding device drives the base to move longitudinally.
4. A small-sized precision construction ship according to claim 3, wherein: the ship body is characterized in that the longitudinal guide device is a slide rail, the slide rails are symmetrically distributed on the two longitudinal sides of the ship body, the longitudinal guide device is fixedly connected to the ship body, the transverse guide device is a square frame formed by the slide rails, the transverse guide device is connected with the longitudinal guide device in a sliding mode, two transverse rods are transversely fixed to the transverse guide device, the base is connected to the two transverse rods in a sliding mode, and the base is connected with the transverse guide device in a sliding mode.
5. The small-sized precision construction ship according to claim 1, wherein: the self-stabilizing adjusting system further comprises a plurality of gyroscopes, and the gyroscopes are arranged at the edges of the end portions of the ship body.
6. The small-sized precision construction ship according to claim 1, wherein: and the base is provided with a hydraulic system for providing power for the ship body, the construction device and the base.
7. The small-sized precision construction ship according to claim 1, wherein: the base is further provided with an operation and control chamber and a winch system, and the winch system is communicated with the construction device.
8. The small-sized precision construction ship according to claims 1 to 7, wherein: the construction device comprises a main arm, a replaceable support arm and a replaceable construction end head, wherein one end of the support arm is arranged on the main arm, and the construction end head is arranged at the other end of the support arm.
9. The small-sized precision construction ship according to claim 8, wherein: the construction device further comprises a main arm oil cylinder piston rod and a support arm oil cylinder piston rod, the main arm oil cylinder piston rod is fixedly connected between the base and the main arm and drives the main arm to lift and settle, and the support arm oil cylinder piston rod is fixedly connected to the main arm and the support arm and drives the support arm to extend outwards and bend inwards.
10. The small-sized precision construction ship according to claim 8, wherein: the construction end is any one of a bucket, a shell bucket, a wind gun head, a olecranon head, a grasping forceps, a rotary drilling bit, a long spiral drilling bit, a pile pressing head and a lifting hook, and the support arm is any one of a rotary support arm, a lifting support arm and a telescopic support arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011148053.XA CN112429159A (en) | 2020-10-23 | 2020-10-23 | Small-size precision construction ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011148053.XA CN112429159A (en) | 2020-10-23 | 2020-10-23 | Small-size precision construction ship |
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| CN112429159A true CN112429159A (en) | 2021-03-02 |
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| CN202011148053.XA Pending CN112429159A (en) | 2020-10-23 | 2020-10-23 | Small-size precision construction ship |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112937786A (en) * | 2021-04-30 | 2021-06-11 | 任冬冬 | Anti-collision offshore operation platform with function of reducing influence of wave breaking |
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