CN211368838U - Underwater milling groove guiding and positioning device suitable for deepwater embedded foundation - Google Patents
Underwater milling groove guiding and positioning device suitable for deepwater embedded foundation Download PDFInfo
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- CN211368838U CN211368838U CN201921709983.0U CN201921709983U CN211368838U CN 211368838 U CN211368838 U CN 211368838U CN 201921709983 U CN201921709983 U CN 201921709983U CN 211368838 U CN211368838 U CN 211368838U
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Abstract
The utility model discloses a milling flutes guiding orientation device under water suitable for embedded basis of deep water, protect a section of thick bamboo, inner circle steel including the outer lane steel and protect a section of thick bamboo and work platform, work platform supports to be fixed on the work ship, the outer lane steel protects a section of thick bamboo and passes through the fixed bolster to be fixed on work platform, the inner circle steel protects the upper end of a section of thick bamboo and is located the outer lane steel and protects a clearance fit with the outer lane steel in protecting a section of thick bamboo, the inner circle steel protects the lower extreme of a section of thick bamboo and extends to the sea bed rock face, the inner circle steel protects a section of thick bamboo and. The utility model discloses a through this guiding orientation device with double round groove cutting machine groove head accurate positioning under water, prevent that external forces such as rivers power, wave power from dashing the double round groove cutting head partially, double round groove cutting machine operation on work platform for the groove cutting becomes "land" construction under water.
Description
Technical Field
The utility model relates to a bridge engineering field especially relates to a milling flutes guiding orientation device under water suitable for embedded basis of deep water.
Background
At present, a double-wheel slot milling machine is mainly applied to land slot milling construction, underwater slot milling has no project precedent, and underwater foundation slot excavation faces the following problems:
1. in the conventional underwater foundation trench excavation, underwater blasting and slag removal are firstly carried out on the seabed, the seabed is excavated to a bearing layer by using a large machine to form a frustum-shaped rock foundation pit, and the leveling is difficult; the excavation workload is large, and the construction period is often controlled for large-scale deep water foundations.
2. The double-wheel slot milling machine has the advantages of high construction efficiency, good slot forming quality (the verticality of a wall body can be controlled within 3 per thousand), safety, environmental protection, wide application range of stratum and the like. The deep water embedded foundation needs to be operated underwater by a double-wheel slot milling machine, the double-wheel slot milling machine can be constructed only on land at present, and offshore operation has no embodiment at home and abroad.
Disclosure of Invention
An object of the utility model is to overcome prior art's defect, provide a milling flutes guiding orientation device under water suitable for embedded basis of deep water, it sets up a series of problems that basic foundation ditch excavation faces to deep water is embedded, has provided a brand-new foundation ditch excavation mode, and the fine difficult problem of solving the foundation ditch excavation under water of double round milling flutes machine, the utility model relates to an underwater milling flutes guiding orientation device has solved the technical problem that the double round milling can not be in the operation under water, is particularly useful for the embedded foundation ditch excavation of the embedded basis of deep water bare rock.
The utility model discloses a realize like this: the utility model discloses a milling flutes guiding orientation device under water suitable for embedded basis of deep water, protect a section of thick bamboo, inner circle steel including the outer lane steel and protect a section of thick bamboo and work platform, work platform supports to be fixed on the work ship, the outer lane steel protects a section of thick bamboo and passes through the fixed bolster to be fixed on work platform, the inner circle steel protects the upper end of a section of thick bamboo and is located the outer lane steel and protects a clearance fit with the outer lane steel in protecting a section of thick bamboo, the inner circle steel protects the lower extreme of a section of thick bamboo and extends to the sea bed rock face, the inner circle steel protects a section of thick bamboo and.
Furthermore, a steel casing limiting sleeve is fixed on the outer side of the inner ring steel casing, one end of the traction rope is connected with the steel casing limiting sleeve, and the other end of the traction rope is connected with the work ship.
Further, the inner ring steel casing comprises a first section of steel casing, a middle section of steel casing and a bottom section of steel casing, and the first section of steel casing, the middle section of steel casing and the bottom section of steel casing are sequentially detachably connected.
The outer ring steel protects a section of thick bamboo and first section of steel and protects a clearance fit, and first section of steel protects a section of thick bamboo top height and does not surpass outer lane steel and protects a section of thick bamboo when guaranteeing low tide level simultaneously, and first section of steel protects a section of thick bamboo and outer ring steel and protects a section of thick bamboo and have 2 times and protect a section of thick bamboo diameter length coincidence during high tide level, guarantees to protect a section of thick bamboo and does not break away from to adapt to rise, the platform altitude variation that the tide fall change arous. The outer ring steel casing is fixed with the platform, so that the steel casing and the platform are always on the same horizontal plane.
Further, the first section of steel casing, the middle section of steel casing and the bottom section of steel casing are connected through bolts.
Furthermore, the working platform is supported on two working ships, the two working ships are arranged in parallel at intervals, and the outer ring steel casing is located between the two working ships.
Furthermore, two sides of the inner ring steel casing are correspondingly connected with two ends of one working ship through traction ropes respectively, and two sides of the inner ring steel casing are correspondingly connected with two ends of the other working ship through traction ropes respectively.
Furthermore, the fixed support is placed on the working platform and fixedly connected with the outer ring steel casing.
Further, the outer ring steel casing and the inner ring steel casing are vertically arranged.
Furthermore, the outer ring steel casing and the inner ring steel casing are cylindrical.
The utility model has the advantages that: the utility model discloses an embedded basic milling flutes guiding orientation device under water of deep water structure is compact, and is easy and simple to handle, can solve a series of problems that the embedded basic foundation ditch of deep water excavation faces through this milling flutes guiding orientation device under water, and its advantage mainly embodies in following several aspects:
1. the main components of the guiding and positioning device adopt a circular steel casing, and the double-wheel milling groove head can be adjusted to any direction in the casing and can adapt to a base groove in any direction, such as rectangle, ring, ellipse and the like.
2. In the field of bridge deepwater foundation construction, a brand-new construction method is provided for deepwater foundation construction, 1-2 days are needed for completing 1 slotted hole, multiple tidal rises and falls are needed in the process, the tightness of each traction rope is adjusted in time according to changes of tides and storms in the groove milling process, and real-time positioning of a steel casing can be realized.
3. The guiding and positioning device has the advantages of simple structure, high strength, small deformation, large rigidity and convenient installation.
4. The steel casing in the guiding and positioning device is circular and is suitable for wave flow force and strong water flow force.
5. The seabed excavation workload is small, the construction material consumption is small, and the construction cost is low. The annular foundation trench is excavated in the foundation rock only by adopting a double-wheel slot milling machine, the excavation surface of the foundation trench is smooth, the slope excavation is not needed, the rock foundation pit does not need to be excavated in a large area, the seabed excavation workload is small, and the construction cost is low.
6. The underwater construction process is less, the construction process is simple, and the construction risk is low.
Drawings
FIG. 1 is a diagram of a deep water embedded infrastructure (taking a circle as an example);
FIG. 2 is a sectional view of the base groove;
FIG. 3 is a plan view of the base groove;
FIG. 4 is a cross-sectional view of the deep water embedded foundation at the foundation trench;
FIG. 5 is a drawing of an elevation of a deep water embedded foundation milling groove guiding and positioning device;
FIG. 6 is a plan view of a deep water embedded foundation milling groove guiding and positioning device;
FIG. 7 is a plan view of a two-wheel slot milling head and a steel casing.
In the attached drawing, 1 is a working ship, 2 is a working platform, 3 is a fixed support, 4 is an outer ring steel casing, 5 is an inner ring steel casing, 51 is a first section steel casing, 52 is a middle section steel casing, 53 is a bottom section steel casing, 54 is a bolt, 6 is a traction rope, 7 is a steel casing limit sleeve, 8 is a slot head of a slot milling machine, 9 is a foundation slot, 10 is a seabed rock surface, and 11 is an embedded foundation.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 7, the embodiment provides an underwater milling groove guiding and positioning device suitable for a deep water embedded foundation, which includes an outer ring steel casing 4, an inner ring steel casing 5 and a working platform 2, wherein the working platform 2 is supported and fixed on a working ship 1, the outer ring steel casing 4 is fixed on the working platform 2 through a fixing support 3, the upper end of the inner ring steel casing 5 is located in the outer ring steel casing 4 and is in clearance fit with the outer ring steel casing 4, the lower end of the inner ring steel casing 5 extends to a sea bed rock surface 10, and the inner ring steel casing 5 is connected with the working ship 1 through a traction rope 6.
Furthermore, a steel casing limiting sleeve 7 is fixed on the outer side of the inner ring steel casing 5, one end of the traction rope 6 is connected with the steel casing limiting sleeve 7, and the other end of the traction rope 6 is connected with the work ship 1. The length of the traction rope 6 is intelligently adjusted according to the tide level, so that the steel protective cylinder is ensured to be fixed in the water flow direction, and the bottom of the steel protective cylinder is prevented from being separated from the surface of the sea bed due to rising of the water level.
Further, the inner ring steel casing 5 comprises a first section steel casing 51, a middle section steel casing 52 and a bottom section steel casing 53, and the first section steel casing, the middle section steel casing and the bottom section steel casing are sequentially detachably connected.
Further, the first section steel casing, the middle section steel casing and the bottom section steel casing are connected through flanges and bolts 54.
Further, the working platform 2 is supported on two working ships 1, the two working ships 1 are arranged in parallel at intervals, and the outer ring steel casing 4 is located between the two working ships 1.
Furthermore, two sides of the inner ring steel casing 5 are correspondingly connected with two ends of one working ship 1 through traction ropes 6 respectively, and two sides of the inner ring steel casing 5 are correspondingly connected with two ends of the other working ship 1 through traction ropes 6 respectively.
Further, the fixed support 3 is placed on the working platform 2 and fixedly connected with the outer ring steel casing 4.
Further, an outer ring steel casing 4 and an inner ring steel casing 5 are vertically arranged.
Further, the outer ring steel casing 4 and the inner ring steel casing 5 are cylindrical. The slot head 8 of the slot milling machine is positioned in the steel casing. The double-wheel slot milling machine is supported on the working platform 2.
The circular steel casing has strong ability of adapting to water flow and wave flow, and the groove head 8 of the groove milling machine can continuously change directions in the steel casing so as to adapt to different groove milling directions.
The utility model discloses mainly be applied to the basic foundation trench 9 excavation in deep water bare rock area, mainly be applied to shallow overburden (bare rock) such as river, lake, sea and the embedded foundation 11's of the better area of holding power layer lithology foundation trench 9 excavation under water.
The main implementation method of each part is as follows:
the working platform 2 is connected with 2 working ships 1, so that the stability of the platform is ensured. The fixed support 3 is placed on the working platform 2 and is fixedly connected with the outer ring steel casing 4, so that the outer ring steel casing 4 is fixed in the horizontal direction and vertically floats up and down along with the working ship 1 under the action of tide and wind waves. The lower end of the inner ring steel casing 5 is directly placed on the seabed rock face 10. The first section of steel casing, the middle section of steel casing and the bottom section of steel casing are connected through bolts, and the length of the middle section of steel casing can be adjusted to adapt to different water depths and different terrains; the outer ring steel protects a section of thick bamboo 4 and first section of steel and protects a section of thick bamboo spatial separation, and first section of steel protects a section of thick bamboo top height and does not surpass outer ring steel and protects a section of thick bamboo 4 when guaranteeing low tide level simultaneously, and first section of steel protects a section of thick bamboo and outer ring steel and protects a section of thick bamboo 4 during high tide level and have 2 times and protect a section of thick bamboo diameter length coincidence, guarantees to protect a section of thick bamboo and does not break away from to adapt to the platform altitude variation that rises, the. The outer ring steel casing 4 is fixed with the platform, so that the steel casing and the platform are always on the same horizontal plane. The steel protects a spacing sleeve pipe 7 and is fixed in the steel and protects a outside. One end of a hauling cable 6 is connected with a steel casing limiting sleeve 7, and the other end is connected with the working ship 1. 1-2 days are needed for completing 1 slotted hole, a plurality of times of tide rise and tide fall are needed in the process, the tightness of each traction rope 6 is adjusted in time according to the changes of tide and wind wave in the slot milling process, and the real-time positioning of the steel casing can be realized.
After the components are assembled, underwater groove milling work of the double-wheel groove milling machine can be carried out, and the operation method is the same as that of conventional double-wheel milling construction. The utility model discloses a through this guiding orientation device with double round groove cutting machine groove head 8 accurate positioning under water, prevent external forces such as rivers power, wave power from dashing the double round groove cutting head partially, double round groove cutting machine operation on work platform 2 for the groove cutting becomes "land" construction under water.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. The utility model provides an underwater milling flutes guiding orientation device suitable for embedded basis of deep water which characterized in that: the device comprises an outer ring steel protective cylinder, an inner ring steel protective cylinder and a working platform, wherein the working platform is supported and fixed on a working ship, the outer ring steel protective cylinder is fixed on the working platform through a fixing support, the upper end of the inner ring steel protective cylinder is located in the outer ring steel protective cylinder and is in clearance fit with the outer ring steel protective cylinder, the lower end of the inner ring steel protective cylinder extends to a seabed rock surface, and the inner ring steel protective cylinder is connected with the working ship through a traction rope.
2. The underwater groove milling guiding and positioning device suitable for the deep-water embedded foundation of claim 1, wherein: and a steel casing limiting sleeve is fixed on the outer side of the inner ring steel casing, one end of the traction rope is connected with the steel casing limiting sleeve, and the other end of the traction rope is connected with the working ship.
3. The underwater groove milling guiding and positioning device suitable for the deep-water embedded foundation of claim 1, wherein: the inner ring steel casing comprises a first section of steel casing, a middle section of steel casing and a bottom section of steel casing, and the first section of steel casing, the middle section of steel casing and the bottom section of steel casing are sequentially detachably connected.
4. The underwater groove milling guiding and positioning device suitable for the deep-water embedded foundation as claimed in claim 3, wherein: the first section of steel casing, the middle section of steel casing and the bottom section of steel casing are connected through bolts.
5. The underwater groove milling guiding and positioning device suitable for the deep-water embedded foundation of claim 1, wherein: the working platform is supported on the two working ships, the two working ships are arranged in parallel at intervals, and the outer ring steel casing is located between the two working ships.
6. The underwater groove milling guiding and positioning device suitable for the deep-water embedded foundation as claimed in claim 5, wherein: the two sides of the inner ring steel casing are correspondingly connected with the two ends of one working ship through the traction ropes respectively, and the two sides of the inner ring steel casing are correspondingly connected with the two ends of the other working ship through the traction ropes respectively.
7. The underwater groove milling guiding and positioning device suitable for the deep-water embedded foundation of claim 1, wherein: the fixed support is placed on the working platform and fixedly connected with the outer ring steel casing.
8. The underwater groove milling guiding and positioning device suitable for the deep-water embedded foundation of claim 1, wherein: the outer ring steel casing and the inner ring steel casing are vertically arranged.
9. The underwater groove milling guiding and positioning device suitable for the deep-water embedded foundation of claim 1, wherein: the outer ring steel casing and the inner ring steel casing are cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921709983.0U CN211368838U (en) | 2019-10-14 | 2019-10-14 | Underwater milling groove guiding and positioning device suitable for deepwater embedded foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921709983.0U CN211368838U (en) | 2019-10-14 | 2019-10-14 | Underwater milling groove guiding and positioning device suitable for deepwater embedded foundation |
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| CN211368838U true CN211368838U (en) | 2020-08-28 |
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| CN201921709983.0U Active CN211368838U (en) | 2019-10-14 | 2019-10-14 | Underwater milling groove guiding and positioning device suitable for deepwater embedded foundation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593337A (en) * | 2019-10-14 | 2019-12-20 | 中铁第四勘察设计院集团有限公司 | A guide and positioning device for underwater milling slots suitable for embedded foundations in deep water |
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2019
- 2019-10-14 CN CN201921709983.0U patent/CN211368838U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593337A (en) * | 2019-10-14 | 2019-12-20 | 中铁第四勘察设计院集团有限公司 | A guide and positioning device for underwater milling slots suitable for embedded foundations in deep water |
| CN110593337B (en) * | 2019-10-14 | 2024-10-29 | 中铁第四勘察设计院集团有限公司 | Underwater milling groove guiding and positioning device suitable for deep water embedded foundation |
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