CN108487222B - It is a kind of for tamping the weight of underwater dumped rockfill - Google Patents
It is a kind of for tamping the weight of underwater dumped rockfill Download PDFInfo
- Publication number
- CN108487222B CN108487222B CN201810238893.1A CN201810238893A CN108487222B CN 108487222 B CN108487222 B CN 108487222B CN 201810238893 A CN201810238893 A CN 201810238893A CN 108487222 B CN108487222 B CN 108487222B
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- CN
- China
- Prior art keywords
- gyrostat
- hammer body
- weight
- tamping
- slot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/046—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/10—Placing gravel or light material under water inasmuch as not provided for elsewhere
Abstract
The present invention provides a kind of for tamping the weight of underwater dumped rockfill, by hammer body, hanging ring, inlet opening, upper cover, gyrostat, roller bearing, spiral page board, axis, rood beam, drainage hole, check valve, mesoporous, gyrostat slot, roller bearing slot, bolt composition, a kind of weight for tamping underwater dumped rockfill uses hammer bottom surface and opens up numerous inlet openings, gyrostat high speed rotation in hammer body is driven using water flow dynamic energy, it ensures and does not drift about after weight enters water, do not topple over, tamping point is accurate, therefore it is too small to change traditional weight ratio of height to diameter, hammer the excessive drawback of bottom resistance to water-flow into shape, improve weight ratio of height to diameter, greatly increase unit area tamping energy, in addition hammer body high-frequency vibration, it can be improved the compacting effect of underwater dumped rockfill, it accelerates construction progress, reduce construction cost.
Description
Technical field
It is specifically a kind of for tamping the weight of underwater dumped rockfill the invention belongs to hydraulic engineering technical field.
Background technique
In the process of construction of marine structure, the gravity-type structures such as gravity type quay, shore protection of some large sizes are normal
Underwater dumped rockfill bedding can be used, underwater dumped rockfill bedding as a kind of foundation structure form, have large carrying capacity, antiskid, economy,
The advantages that durability is good, thus one of the preferred structure type for having become underwater foundation engineering；To ensure that underwater dumped rockfill bedding has
Standby enough foundation bearing capacities and stability against sliding, it is necessary to bedding be carried out closely knit；It is mainly used in domestic and international project at present
Densification process is heavy tamping method and tamping by explosion method；Heavy tamping method lifts by crane weight using lifting equipment, utilizes weight freedom
Generated tamping energy fall to tamp bedding；Heavy tamping method construction maneuverability, imitates the earthquake that surrounding building generates
Should influence it is small, construction interference it is small；When apart from adjacent harbour or too close residential block, quick-fried rammer method is limited to its technical characteristic, by quick-fried
The fried surge generated can threaten the safety of offshore terminal, the alternative quick-fried rammer method construction of heavy tamping method；Heavy tamping method is in land
Ground is widely used, the weight for having accumulated experience abundant, but falling in water, by the drag effect of surrounding water, compacting effect
Fruit tamps effect far below land, and due to toppling over when weight sinks in water in order to prevent, the weight generallyd use in engineering
Height it is smaller with diameter ratio, highly with diameter ratio hereinafter referred to as ratio of height to diameter, generally 0.8 or so, due to weight floor space
Greatly, more exacerbate water body to the resistance of weight, reduce compacting efficiency and thus cause to limit every layer of underwater dumped rockfill thickness
Jackstone accommodation is frequently mobile to consume the plenty of time, causes construction cost to significantly improve, construction efficiency is low；Chinese patent CN
A kind of underwater dumped rockfill bedding tamping unit of 102877453 B, is felt free to try, in order to reduce water body to weight bottom surface
Resistance is mounted with that motor, driving propeller siphon away the water of weight bottom surface at the top of weight, and intention is worth affirming, but deficiency
Place clearly, easily damages first, installing motor on the weight with strong impact power；Second, water hole area is only
The 1%~5% of weight floor space, siphoned away water is few, is unable to reach abatement water body at all to the mesh of the resistance of weight bottom surface
, therefore, it is badly in need of expanding, explores new compacting thinking, improves underwater dumped rockfill and tamp efficiency, reduce engineering economy cost.
Summary of the invention
In order to solve the above technical problems existing in the prior art, the present invention provides one kind for tamping underwater dumped rockfill
Weight, by hammer body, hanging ring, inlet opening, upper cover, gyrostat, roller bearing, spiral page board, axis, rood beam, drainage hole, unidirectional
Valve, mesoporous, gyrostat slot, roller bearing slot, bolt composition, the hammer body bottom surface offers inlet opening, during hammer body middle and upper part opens up
Hole, inlet opening are connected to mesoporous, and drainage hole is offered on hammer body, and draining hole exits are provided with check valve；Top is offered on hammer body
Breechblock slot, upper cover are fixedly installed by bolt and hammer body；Gyrostat groove bottom, upper cover bottom surface, gyrostat bottom surface, gyrostat top surface
Offer roller bearing slot；Gyrostat is placed in gyrostat slot, and gyrostat is connect by roller bearing with hammer body, upper cover；Rood beam with
Gyrostat fixed setting, axis upper end and rood beam are fixedly installed, and spiral page board is fixed on axis.
Further, the hanging ring is fixed at hammer body top surface, and whole inlet opening discharge areas are than mesoporous flow surface
Product is big by 10%, and drainage hole water outlet height is lower than gyrostat slot lowest part, and horn mouth is arranged in the import of inlet opening.
A kind of beneficial effect for tamping the weight of underwater dumped rockfill of the invention is: numerous due to having opened up in hammer bottom surface
Inlet opening is not drifted about after being driven gyrostat high speed rotation in hammer body, guarantee weight to enter water using water flow dynamic energy, is not toppled over, and is rammed
It hits that point is accurate, therefore can change the drawback that traditional weight ratio of height to diameter is too small, hammer bottom resistance to water-flow is excessive, improve weight height
Diameter ratio, increases unit area tamping energy, is accompanied by hammer body high-frequency vibration, can greatly improve the compacting effect of underwater dumped rockfill, add
Fast construction speed reduces construction cost.
Detailed description of the invention
Fig. 1 is traditional weight schematic diagram；
Fig. 2 is a kind of for tamping the weight schematic diagram of underwater dumped rockfill；
Fig. 3 is the weight diagrammatic cross-section；
Fig. 4 is hammer body diagrammatic cross-section；
Fig. 5 is gyrostat schematic diagram；
Fig. 6 is spiral page board, axis, rood beam relation schematic diagram；
Fig. 7 is top cover diagrammatic cross-section；
Fig. 8 is top cover schematic top plan view；
Fig. 9 is hammer body schematic bottom view.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
As shown in figs 1-9, of the invention a kind of for tamping the weight of underwater dumped rockfill, by hammer body 1, hanging ring 2, inlet opening 3,
Upper cover 4, gyrostat 5, roller bearing 6, spiral page board 7, axis 8, rood beam 9, drainage hole 10, check valve 11, mesoporous 12, gyrostat slot
13, roller bearing slot 14, bolt 15 form, and 1 bottom surface of hammer body offers inlet opening 3, and 1 middle and upper part of hammer body opens up mesoporous 12, into
Water hole 3 is connected to mesoporous 12, and drainage hole 10 is offered on hammer body 1, and the outlet of drainage hole 10 is provided with check valve 11；It is opened on hammer body 1
Equipped with gyrostat slot 13, upper cover 4 is fixedly installed by bolt 15 and hammer body 1；13 bottom surface of gyrostat slot, 4 bottom surface of upper cover, gyrostat
5 bottom surfaces, 5 top surface of gyrostat offer roller bearing slot 14；Gyrostat 5 is placed in gyrostat slot 13, and gyrostat 5 passes through roller bearing 6
It is connect with hammer body 1, upper cover 4, when water flow high speed passes through mesoporous 12, drives spiral page board 7, axis 8,9 high-speed rotation of rood beam, drives
Dynamic 5 high speed rotation of gyrostat；Rood beam 9 and gyrostat 5 are fixedly installed, and 8 upper end of axis and rood beam 9 are fixedly installed, spiral page
Plate 7 is fixed on axis 8, and the purpose of spiral page board 7 is made to obtain bigger water energy driving 5 high speed rotation of gyrostat
Spiral page board 7 is replaced to fall in the scope of this patent with multi-layer impeller.
The hanging ring 2 is fixed at 1 top surface of hammer body, and whole 3 discharge areas of inlet opening are bigger than 12 discharge area of mesoporous
10%, 10 water outlet height of drainage hole is lower than 13 lowest part of gyrostat slot, and if there is water enters in gyrostat slot 13, weight 1 is proposed
After the water surface, water can exclude from check valve 11, and the import of inlet opening 3 is arranged horn mouth, and water can quickly enter inlet opening 3, fast
Speed reduces hammer body bottom surface water resistance.
Of the invention is a kind of for tamping the weight of underwater dumped rockfill in use, lifting by crane weight using lifting equipment, and weight exists
Free-falling under Gravitative Loads, bottom surface contacts hammer with the water surface, water can quickly enter inlet opening, quickly reduces hammer body bottom surface water resistance
Power, water flow import mesoporous by inlet opening, drive spiral page board, axis, rood beam high-speed rotation, and driving gyrostat high speed is revolved
Turn because the movement of gyro be by around axis rotation and axis around the counter motion of vertical line, can guarantee weight in water
Vertical stabilization in dropping process, does not topple over, does not shift, and weight accurately falls into the tamping point of design；One kind is for tamping underwater throwing
In the weight use process of stone, 1, multiple inlet openings can reduce hammer body bottom surface water resistance；2, gyrostat high speed rotation can be with
Ensure weight vertical landing, hammer body ratio of height to diameter is increased, and unit area tamping energy can be increased；3, heavy tamping point is accurate；
4, gyrostat high speed rotation in hammer body can generate high-frequency vibration, be conducive to underwater dumped rockfill vibratory compaction, and several factors determine
Using weight of the invention, the compacting effect of underwater dumped rockfill is more preferable.
Claims (2)
1. it is a kind of for tamping the weight of underwater dumped rockfill, by hammer body (1), hanging ring (2), inlet opening (3), upper cover (4), gyrostat
(5), roller bearing (6), spiral page board (7), axis (8), rood beam (9), drainage hole (10), check valve (11), mesoporous (12), gyro
Body slot (13), roller bearing slot (14), bolt (15) composition, it is characterised in that: described hammer body (1) bottom surface offers inlet opening (3),
Hammer body (1) middle and upper part opens up mesoporous (12), and inlet opening (3) are connected to mesoporous (12), and drainage hole (10) are offered on hammer body (1),
Drainage hole (10) outlet is provided with check valve (11)；It is offered on hammer body (1) gyrostat slot (13), upper cover (4) passes through bolt
(15) it is fixedly installed with hammer body (1)；Gyrostat slot (13) bottom surface, upper cover (4) bottom surface, gyrostat (5) bottom surface, gyrostat (5)
Top surface offers roller bearing slot (14)；Gyrostat (5) is placed in gyrostat slot (13), gyrostat (5) by roller bearing (6) with
Hammer body (1), upper cover (4) connection；Rood beam (9) and gyrostat (5) are fixedly installed, and axis (8) upper end and rood beam (9) are fixed
Setting, spiral page board (7) are fixed on axis (8).
2. as described in claim 1 for tamping the weight of underwater dumped rockfill, it is characterised in that: hanging ring (2) fixation is set
It sets in hammer body (1) top surface, whole inlet opening (3) discharge areas are bigger by 10% than mesoporous (12) discharge area, drainage hole (10) water outlet
Height is lower than gyrostat slot (13) lowest part, and horn mouth is arranged in the import of inlet opening (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810238893.1A CN108487222B (en) | 2018-03-22 | 2018-03-22 | It is a kind of for tamping the weight of underwater dumped rockfill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810238893.1A CN108487222B (en) | 2018-03-22 | 2018-03-22 | It is a kind of for tamping the weight of underwater dumped rockfill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108487222A CN108487222A (en) | 2018-09-04 |
| CN108487222B true CN108487222B (en) | 2019-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810238893.1A Active CN108487222B (en) | 2018-03-22 | 2018-03-22 | It is a kind of for tamping the weight of underwater dumped rockfill |
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| Country | Link |
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| CN (1) | CN108487222B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113432588B (en) * | 2021-06-23 | 2022-11-11 | 河北如成建筑工程有限公司 | Stable drop wire capable of avoiding long-time swinging and operation method thereof |
| CN113529652B (en) * | 2021-07-16 | 2022-12-23 | 江苏筑港建设集团有限公司 | Energy-saving and environment-friendly foundation bed tamping construction process |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10266181A (en) * | 1997-03-28 | 1998-10-06 | Kiyoshi Saito | Underwater ground improvement work and its improved underwater bottom |
| CN102877453B (en) * | 2011-07-12 | 2014-10-22 | 同济大学 | Tamping device of underwater rubble-mound foundation |
| CN105179594A (en) * | 2014-05-26 | 2015-12-23 | 卢赐武 | Self-balancing stabilizer |
| CN206777946U (en) * | 2017-06-08 | 2017-12-22 | 林平 | A kind of improved circulatior clarifier of structure |
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2018
- 2018-03-22 CN CN201810238893.1A patent/CN108487222B/en active Active
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| Publication number | Publication date |
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| CN108487222A (en) | 2018-09-04 |
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