CN208328938U - Rubble leveling device - Google Patents
Rubble leveling device Download PDFInfo
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- CN208328938U CN208328938U CN201820470810.7U CN201820470810U CN208328938U CN 208328938 U CN208328938 U CN 208328938U CN 201820470810 U CN201820470810 U CN 201820470810U CN 208328938 U CN208328938 U CN 208328938U
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- leveling
- hull
- rubble
- rubble leveling
- spud leg
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Abstract
The utility model discloses rubble leveling devices, are related to rubble leveling equipment technical field.Including hull, moon pool, leveling guiding mechanism, rubble leveling mechanism, the first GPS positioning system and for the rubble leveling mechanism conveying building stones building stones conveying mechanism；Wherein, the hull includes spud leg and pile leg locking mechanism；The moon pool is set to the hull center；The leveling guiding mechanism realizes that the vertical and horizontal during rubble leveling are displaced across the moon pool；The rubble leveling mechanism be set to it is described leveling guiding mechanism on for bedding jackstone and leveling；First GPS positioning system is mounted on the hull with the positioning for hull；The spud leg engages connection with the hull to be used to support the hull, and the pile leg locking mechanism is set to the spud leg for fixing the spud leg and the pile leg locking mechanism；The rubble leveling device can be improved the flatness of bedding.
Description
Technical field
The utility model relates to rubble leveling equipment technical fields, more particularly, to rubble leveling device.
Background technique
In the laying leveling construction on marine immersed tube tunnel basis, need to be thrown in the foundation trench excavated before immersed tube installation
Stone leveling, then by prefabricated immersed tube floating clouds to bedding top and carries out sinking installation.Rubble-mound foundation is original soft to replace
Weak soil layer, to improve the bearing capacity of ground so that the load that superstructure transmits equably reaches ground, with meet deformation and
Stable requirement, and make full use of device water penetration reduces the water-head before and after building, avoids seepage flow, with protect ground from
The scour of wave and water flow.Bedding needs to flatten compacting, and guarantees that it is a flat surface, it is desirable that is horizontal plane or inclined-plane.Jackstone is whole
Flat ship is the specialized ships that water-bed rubble bedding is laid with leveling.
Current rubble leveling bed mostly uses the leveling ship swum on sea or river surface, this leveling ship elevation control method
Are as follows: a laser emitter is set on the coast, a laser sensor is set on jackstone pipe for receiving laser signal, is passed through
The position of laser emitter, the position of laser sensor, the installation site of laser sensor on jackstone pipe, the length of feeder pipe and
Jackstone bottom of the tube hydraulic cylinder carries out the absolute altitude control of rubble bedding, and to control the flatness of bedding, this leveling ship is due to swimming in
On sea or river surface by wave effect and stimulated light precision with the increase of distance and reducing is influenced so that the flatness of bedding
It reduces.
Utility model content
The purpose of this utility model is to provide rubble leveling device, which can be improved the plane of bedding
Degree.
To achieve the above object, the utility model the following technical schemes are provided:
One side according to the present utility model provides rubble leveling device, including hull, moon pool, leveling guiding mechanism, throwing
Stone flattening mechanism, the first GPS positioning system and the building stones conveying mechanism for conveying building stones to the rubble leveling mechanism；Its
In, the hull includes spud leg and pile leg locking mechanism；
The moon pool is set to the hull center；The leveling guiding mechanism realizes rubble leveling mistake across the moon pool
Vertical and horizontal displacement in journey；The rubble leveling mechanism be set to the leveling guiding mechanism on the jackstone for bedding with
And leveling；First GPS positioning system is mounted on the hull with the positioning for hull；
The spud leg engages connection with the hull to be used to support the hull, and the pile leg locking mechanism is set to described
Spud leg is for fixing the spud leg and the pile leg locking mechanism.
Further, the rubble leveling mechanism includes jackstone pipe, wherein the top of the jackstone pipe is equipped with for confirming
The plan-position of the jackstone pipe and the second GPS positioning system of bottom absolute altitude, the bottom of the jackstone pipe, which is equipped with, is used for bedding
The leveling head struck off；
The jackstone pipe is set on the leveling guiding mechanism.
Further, the jackstone pipe includes supervisor and telescopic balance pipe；
The supervisor connect with the balance pipe, and the supervisor connect with second GPS positioning system, the balance pipe
It is connect with the leveling head.
Further, the leveling head is equipped with the sonar system for detecting the absolute altitude of seabed troughstand and bedding.
Further, the leveling guiding mechanism includes walking cart and walking dolly；
The walking cart is across the moon pool with for realizing the length travel during rubble leveling, the jackstone is whole
Flattening mechanism is set to the walking dolly and the walking dolly is movably mounted on the walking cart for realizing throwing
Lateral displacement in stone flattening course.
Further, clamping device, fixed frame and elevating mechanism are respectively equipped on the walking dolly to be respectively used to
Realize that the clamping to rubble leveling mechanism, installation are fixed and lifting drives.
Further, the rubble leveling device further includes the gear-box and motor for being mounted on the hull, the stake
The two sides of leg are respectively equipped with rack gear, and the hull is equipped with gear corresponding with the rack gear；
The rack gear engages connection with the gear, and the gear is connect with the gear-box, the gear-box with it is described
Motor connection.
Further, the pile leg locking mechanism includes including tooth form block, wedge block, turbine and worm jacking device and driving
Motor, enclosing for the spud leg offer sliding slot on well structure；
The tooth form block is set to the outside of the spud leg, and matches with the tooth form of the rack gear, the tooth form block it is upper,
Lower end surface constitutes kinematic pair with the wedge block and turbine and worm jacking device respectively and connect, and the tooth form block can the relatively described wedge
The sliding of shape block, the wedge block slide in the sliding slot, and the turbine and worm jacking device is connect with the drive motor, described
Turbine and worm jacking device encloses on well structure set on the spud leg.
Further, the upper and lower end face of the tooth form block is inclined-plane；
Further, the spud leg bottom is equipped with pile crown, and the pile crown is hollow straight barrel, wherein described hollow
Multiple partitions are equipped in straight barrel；
The hollow straight barrel is divided into multiple mutually independent stress chambers, the length of the partition by partition described in muti-piece
The axis parallel in direction and the hollow straight barrel.
Rubble leveling device according to the present utility model, including hull, moon pool, leveling guiding mechanism, rubble leveling mechanism,
First GPS positioning system and for the rubble leveling mechanism conveying building stones building stones conveying mechanism；Wherein, the hull
Including spud leg and pile leg locking mechanism；The moon pool is set to the hull center；The leveling guiding mechanism is across the moon
Pond is to realize the vertical and horizontal displacement during rubble leveling；The rubble leveling mechanism is set on the leveling guiding mechanism
With for bedding jackstone and leveling；First GPS positioning system is mounted on the hull with the positioning for hull；Institute
It states spud leg and engages connection with the hull to be used to support the hull, the pile leg locking mechanism is set to the spud leg to be used for
The spud leg and the pile leg locking mechanism are fixed；For the rubble leveling device, by the first GPS positioning system into
Body of navigating is accurately positioned, and building stones conveying mechanism conveys building stones to rubble leveling mechanism, and rubble leveling mechanism is in leveling guiding mechanism
Guiding role under realize bedding rubble be laid with and leveling, avoid the increase by laser precision with distance and reduced shadow
It rings, meanwhile, spud leg can play the role of support to hull, and be locked spud leg and hull by pile leg locking mechanism,
It realizes that spud leg and hull are an entirety, stability of hull during rubble leveling is increased, so that hull is whole in jackstone
It is smaller by wave effect during flat, so as to improve the flatness of bedding.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the top view of the structural schematic diagram of rubble leveling device provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of spud leg in rubble leveling device provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram of pile leg locking mechanism in rubble leveling device provided by the embodiment of the utility model；
Fig. 4 is the left view of the structural schematic diagram of rubble leveling device provided by the embodiment of the utility model；
Fig. 5 is enlarged drawing of the Fig. 4 at A.
Icon: 10- hull；101- spud leg；20- moon pool；30- rubble leveling mechanism；301- jackstone pipe；302- leveling head；
40- flattens guiding mechanism；401- walking cart；402- walking dolly；4021- fixed frame；4022- elevating mechanism；50- building stones are defeated
Send mechanism；60- pile leg locking mechanism；601- tooth form block；602- wedge block；603- turbine and worm jacking device；604- pile crown；605-
Partition.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment
One aspect according to the present utility model provides rubble leveling device, as shown in Figure 1, Figure 2 and shown in Fig. 3, including ship
Body 10, moon pool 20 flatten guiding mechanism 40, rubble leveling mechanism 30, the first GPS positioning system and are used for rubble leveling machine
The building stones conveying mechanism 50 of the conveying building stones of structure 30；Wherein, hull 10 includes spud leg 101 and pile leg locking mechanism 60；
Moon pool 20 is set to 10 center of hull；Leveling guiding mechanism 40 is realized vertical during rubble leveling across moon pool 20
To and lateral displacement；Rubble leveling mechanism 30 be set to leveling guiding mechanism 40 on for bedding jackstone and leveling；First
GPS positioning system is mounted on hull 10 with the positioning for hull 10；
Spud leg engages connection with hull 10 to be used to support hull 10, and pile leg locking mechanism 60 is set to pile body to be used for stake
Leg 101 and pile leg locking mechanism 60 are fixed.
Rubble leveling device according to the present utility model passes through the first GPS positioning system for the rubble leveling device
System carries out hull 10 and is accurately positioned, and building stones conveying mechanism 50 conveys building stones to rubble leveling mechanism 30, and rubble leveling mechanism 30 exists
It flattens and realizes that the rubble of bedding is laid with and flattens under the guiding role of guiding mechanism 40, avoid the increasing by laser precision with distance
Reduced influence greatly, meanwhile, spud leg 101 can play the role of support to hull 10, and will by pile leg locking mechanism 60
Spud leg 101 is locked with hull 10, is realized that spud leg 101 and hull 10 are an entirety, is increased hull 10 in rubble leveling
Stability in the process, so that hull 10 is smaller by wave effect during rubble leveling, so as to improve the flat of bedding
Face degree；
It should be noted that entire rubble leveling device is that personnel are manipulated by control room into property.
According to a kind of embodiment of the utility model rubble leveling device, as shown in Figure 4 and 5, rubble leveling machine
Structure 30 includes jackstone pipe 301, wherein the top of jackstone pipe 301 is equipped with plan-position and bottom mark for confirming jackstone pipe 301
The second high GPS positioning system, the bottom of jackstone pipe 301 are equipped with the leveling head 302 struck off for bedding；
Jackstone pipe 301 is set on leveling guiding mechanism 40.
According to a kind of embodiment of the utility model rubble leveling device, jackstone pipe 301 include supervisor and it is scalable
Balance pipe；
Supervisor connect with balance pipe, and supervisor connect with the second GPS positioning system, and balance pipe is connect with leveling head 302.
Rubble leveling device according to the present utility model, the scalable of balance pipe is shunk by more Driven by Hydraulic Cylinder
, more hydraulic cylinders are evenly distributed on balance pipe, the length of smooth pipe are adjusted, to meet the required precision of rubble leveling；And
Hydraulic cylinder extension sensor is equipped on every hydraulic cylinder, hydraulic cylinder extension sensor is used for the flexible row of precise measurement hydraulic cylinder
Journey.
According to a kind of embodiment of the utility model rubble leveling device, leveling head 302 is equipped with for detecting seabed
The sonar system of the absolute altitude of troughstand and bedding.
Rubble leveling device according to the present utility model will be into after using the first GPS positioning system hull 10 being positioned
The calibration of row sonar, sonar system are arranged in leveling head 302, which is used to detect the mark of seabed troughstand and bedding
It is high；Wherein, sonar system includes the laying measurement sonar of standard sonar and bedding, and the sonar velocity of sound for calibrating sonar is adjusted to one
Suitable value, then the velocity of sound of the laying measurement sonar of bedding is adjusted to it is identical as sonar is calibrated, since sonar is by the depth of water, water
The influence of the factors such as temperature, salt concentration makes measured value generate error, therefore is calibrated when each measurement.
According to a kind of embodiment of the utility model rubble leveling device, as shown in Fig. 1 and Fig. 4, Guiding machine is flattened
Structure 40 includes walking cart 401 and walking dolly 402；
Walking cart 401 is across moon pool 20 for realizing the length travel during rubble leveling, rubble leveling mechanism
30 set on walking dolly 402 and walking dolly 402 is movably mounted on walking cart 401 for realizing rubble leveling
Lateral displacement in the process.
According to the utility model rubble leveling device, the plan-position of jackstone pipe 301 is confirmed by the second GPS positioning system
And bottom absolute altitude, and jackstone pipe 301 is positioned at by construction location by walking cart 401 and walking dolly 402, in jackstone pipe
After 301 positioning, balance pipe stretches repeatedly carries out stroke confirmation, it is ensured that hydraulic cylinder extension length can satisfy an accommodation laying and need
It wants, therefore, does not have to go up and down jackstone pipe 301 again in the process of deployment at an accommodation.
According to a kind of embodiment of the utility model rubble leveling device, as shown in Figure 4 and 5, walking dolly 402
On be respectively equipped with clamping device, fixed frame 4021 and elevating mechanism 4022 to be respectively used to realize to rubble leveling mechanism 30
Clamping, installation is fixed and lifting drives.
According to this practical novel rubble leveling device, rubble leveling mechanism 30 includes jackstone pipe 301, jackstone pipe 301
Elevating mechanism 4022 uses hauling winch, drives the lifting of jackstone pipe 301.
According to a kind of embodiment of the utility model rubble leveling device, rubble leveling device further includes being mounted on hull
10 gear-box and motor, the two sides of spud leg 101 are respectively equipped with rack gear, and hull 10 is equipped with gear corresponding with rack gear；
Rack and pinion engagement connection, gear are connect with gear-box, and gear-box is connected to motor.
Rubble leveling device according to the present utility model, the rack gear of 101 two sides of motor-driven gear case, gear and spud leg,
Hull 10 is driven to move up and down, wherein motor can be variable-frequency motor；The rubble leveling device further includes speed reducer, for adjusting
Save suitable revolving speed.
According to a kind of embodiment of the utility model rubble leveling device, as shown in figure 3, pile leg locking mechanism 60 includes
Including tooth form block 601, wedge block 602, turbine and worm jacking device 603 and drive motor, enclosing for spud leg 101 opens up on well structure
There is sliding slot；
Tooth form block 601 is set to the outside of spud leg 101, and matches with the tooth form of rack gear, the upper and lower end face of tooth form block 601
It constitutes kinematic pair with wedge block 602 and turbine and worm jacking device 603 respectively to connect, tooth form block 601 can the cunning of opposite wedge block 602
Dynamic, wedge block 602 slides in sliding slot, and turbine and worm jacking device 603 is connect with drive motor, and turbine and worm jacking device 603 is set
In enclosing on well structure for spud leg 101.
Rubble leveling device according to the present utility model, the specific work process of pile leg locking mechanism 60 are as follows: drive motor
Rotation driving turbine and worm jacking device 603 jack so as to push tooth form block 601 mobile simultaneously to 101 direction of spud leg for wedge block 602
It is meshed with the rack gear of spud leg 101, spud leg 101 is locked on hull 10, at this point, spud leg 101 is in locking state, with hull
10 be an entirety, increases the stability of hull 10；Drive motor changes direction of rotation driving turbine and worm jacking device 603 and receives
Contracting, generates gap, tooth form block 601 is in free state, can divide with spud leg 101 at this time between wedge block 602 and tooth form block 601
From；
Wherein, pile leg locking mechanism 60 further includes drawback cylinder, and one end of drawback cylinder is connect with tooth form block 601, another
End is connect with hull 10, and the piston of drive motor, which retracts, drives turbine and worm jacking device 603 to shrink, and tooth form block 601 can reset, and take off
From spud leg 101, wherein the upper and lower end face of tooth form block 601 is inclined-plane, and thereon, extended surface of the lower end towards the outside of spud leg 101
It can intersect.
According to a kind of embodiment of the utility model rubble leveling device, as shown in Fig. 2, spud leg bottom is equipped with pile crown
604, pile crown 604 is hollow straight barrel, wherein multiple partitions 605 are equipped in hollow straight barrel；
Hollow straight barrel is divided into multiple mutually independent stress chambers by multiple partitions 605, the length direction of partition 605 with
The axis parallel of hollow straight barrel.
Hollow straight barrel is divided into multiple mutually independent by rubble leveling device according to the present utility model, partition 605
Stress chamber, i.e., multiple stress chambers are not connected to, and the stress-bearing capability of the pile crown 604 are increased, so that the stability of bed body is good；
Wherein, partition 605 is five pieces, on one of axial line that hollow straight barrel is arranged in, both ends with it is hollow
Straight barrel barrel intersection, be in addition divided into two groups for four pieces, two pieces of partitions 605 in every group from be set to hollow straight barrel axle center
On the barrel for a little extending respectively to two sides on partition 605 on line, every group of two pieces of partitions 605 are symmetrically distributed in hollow
The two sides of the partition 605 of straight barrel axial line；
Preferably, every group of two pieces of partitions 605 are in 120 ° of angle settings, and two groups of partitions 605 are not connected to.
In conclusion the construction procedure of the rubble leveling device includes: the positioning step of hull 10, hull 10 is dragged to and is applied
Behind work scene, using 10 shape of the first GPS positioning system real-time display hull and the position of hull 10；10 pitching pile ballast of hull
It is lifted step, after the completion of flattening ship positionning, declines spud leg 101 to mud face, is surpassed by squeezing into ballast water or diagonal ballast method
Load ballast no longer sinks to 101 temperature of spud leg, and when air gap no longer changes, hull 10 is raised to construction height；Jackstone pipe
Jackstone pipe 301 is moved to rubble leveling start position by being movably walking large and small vehicle, passes through jackstone pipe by 301 positioning steps
Second GPS positioning system at 301 tops confirms 301 bottom absolute altitude of jackstone pipe；Feeding step, building stones conveying mechanism 50 is to jackstone pipe
301 chargings；It is laid with screed step, starts to carry out rubble bedding laying screed operation, work progress by the large and small vehicle that is movably walking
In stretched by Driven by Hydraulic Cylinder balance pipe and the data that combine second GPS positioning system at the top of jackstone pipe 301 to be connected to carry out
The control of bedding absolute altitude.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although utility model is described in detail referring to foregoing embodiments, those skilled in the art should be managed
Solution: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of skills
Art feature is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution the utility model
The range of each embodiment technical solution.
Claims (10)
1. rubble leveling device, which is characterized in that including hull, moon pool, leveling guiding mechanism, rubble leveling mechanism, the first GPS
Positioning system and for the rubble leveling mechanism conveying building stones building stones conveying mechanism；Wherein, the hull includes stake
Leg and pile leg locking mechanism；
The moon pool is set to the hull center；The leveling guiding mechanism is realized across the moon pool during rubble leveling
Vertical and horizontal displacement；The rubble leveling mechanism is set on the leveling guiding mechanism with jackstone for bedding and whole
It is flat；First GPS positioning system is mounted on the hull with the positioning for hull；
The spud leg engages connection with the hull to be used to support the hull, and the pile leg locking mechanism is set to the spud leg
For the spud leg and the pile leg locking mechanism to be fixed.
2. rubble leveling device according to claim 1, which is characterized in that the rubble leveling mechanism includes jackstone pipe,
Wherein, the top of the jackstone pipe is equipped with for confirming the plan-position of the jackstone pipe and the second GPS positioning of bottom absolute altitude
System, the bottom of the jackstone pipe are equipped with the leveling head struck off for bedding；
The jackstone pipe is set on the leveling guiding mechanism.
3. rubble leveling device according to claim 2, which is characterized in that the jackstone pipe include supervisor and it is scalable
Balance pipe；
The supervisor connect with the balance pipe, and the supervisor connect with second GPS positioning system, the balance pipe and institute
State leveling head connection.
4. rubble leveling device according to claim 3, which is characterized in that the leveling head is equipped with for detecting seabed
The sonar system of the absolute altitude of troughstand and bedding.
5. rubble leveling device according to claim 1, which is characterized in that the leveling guiding mechanism includes walking cart
And walking dolly；
The walking cart is across the moon pool for realizing the length travel during rubble leveling, the rubble leveling machine
Structure is set to the walking dolly and the walking dolly is movably mounted on the walking cart with whole for realizing jackstone
Lateral displacement during flat.
6. rubble leveling device according to claim 5, which is characterized in that be respectively equipped with clamping machine on the walking dolly
Structure, fixed frame and elevating mechanism are to be respectively used to realize that the clamping to rubble leveling mechanism, installation are fixed and lifting drives.
7. rubble leveling device according to claim 1, which is characterized in that the rubble leveling device further includes being mounted on
The gear-box and motor of the hull, the two sides of the spud leg are respectively equipped with rack gear, and the hull is equipped with and the rack gear
Corresponding gear；
The rack gear engages connection with the gear, and the gear is connect with the gear-box, the gear-box and the motor
Connection.
8. rubble leveling device according to claim 7, which is characterized in that the pile leg locking mechanism include tooth form block,
Wedge block, turbine and worm jacking device and drive motor, enclosing for the spud leg offer sliding slot on well structure；
The tooth form block is set to the outside of the spud leg, and matches with the tooth form of the rack gear, the upper and lower end of the tooth form block
Face constitutes kinematic pair with the wedge block and turbine and worm jacking device respectively and connect, and the tooth form block can the relatively described wedge block
Sliding, the wedge block slide in the sliding slot, and the turbine and worm jacking device is connect with the drive motor, the turbine
Worm screw jacking device encloses on well structure set on the spud leg.
9. rubble leveling device according to claim 8, which is characterized in that the upper and lower end face of the tooth form block is inclined-plane.
10. rubble leveling device according to claim 1, which is characterized in that the spud leg bottom is equipped with pile crown, the stake
Head is hollow straight barrel, wherein multiple partitions are equipped in the hollow straight barrel；
The hollow straight barrel is divided into multiple mutually independent stress chambers, the length direction of the partition by partition described in muti-piece
With the axis parallel of the hollow straight barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820470810.7U CN208328938U (en) | 2018-04-02 | 2018-04-02 | Rubble leveling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820470810.7U CN208328938U (en) | 2018-04-02 | 2018-04-02 | Rubble leveling device |
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| Publication Number | Publication Date |
|---|---|
| CN208328938U true CN208328938U (en) | 2019-01-04 |
Family
ID=64780531
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| CN201820470810.7U Active CN208328938U (en) | 2018-04-02 | 2018-04-02 | Rubble leveling device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110565646A (en) * | 2019-08-16 | 2019-12-13 | 南通振华重型装备制造有限公司 | Riprap leveling head and construction process thereof |
| WO2020252624A1 (en) * | 2019-06-17 | 2020-12-24 | 广州打捞局 | Underwater topography 3d printer and construction method |
-
2018
- 2018-04-02 CN CN201820470810.7U patent/CN208328938U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020252624A1 (en) * | 2019-06-17 | 2020-12-24 | 广州打捞局 | Underwater topography 3d printer and construction method |
| CN110565646A (en) * | 2019-08-16 | 2019-12-13 | 南通振华重型装备制造有限公司 | Riprap leveling head and construction process thereof |
| CN110565646B (en) * | 2019-08-16 | 2021-03-19 | 南通振华重型装备制造有限公司 | Riprap leveling head and construction process thereof |
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