CN216834154U - Negative pressure anchorage block body for tension type single point mooring - Google Patents
Negative pressure anchorage block body for tension type single point mooring Download PDFInfo
- Publication number
- CN216834154U CN216834154U CN202123231334.4U CN202123231334U CN216834154U CN 216834154 U CN216834154 U CN 216834154U CN 202123231334 U CN202123231334 U CN 202123231334U CN 216834154 U CN216834154 U CN 216834154U
- Authority
- CN
- China
- Prior art keywords
- negative pressure
- guide rail
- single point
- cylinder
- block
- 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.)
- Active
Links
Images
Landscapes
- Revetment (AREA)
Abstract
A negative pressure anchorage block for tension type single point mooring anchorage system, anchorage block comprises reverse cylinder concrete sinking piece, and is characterized in that reverse cylinder concrete sinking piece comprises a cylinder wall and a cylinder top, a steel pre-buried pipe is arranged in the cylinder top, and simultaneously, the upper end of the steel pre-buried pipe is connected with a negative pressure joint device, wherein a rubber plug is arranged. The device can be used for the design of the anchor block moored by a single-point buoy under a river section with larger flow velocity, shallow anchor water depth or hard bottom, the consumption of concrete is reduced, the buried depth of a sinking block is reduced while the design requirement is met, and the construction cost can be greatly reduced; the economic efficiency is improved, the damage to the riverbed can be effectively reduced, and the influence on the biological safety of the water area and the downstream water quality is reduced. The device can be closed by utilizing the air pressure difference after air exhaust is finished, the pump pipe does not need to be manually removed and the rubber plug is sleeved, the vacuum effect of the device is greatly ensured, and meanwhile, labor is saved; the device ensures the air tightness for the second time and is reliable and durable.
Description
Technical Field
The utility model relates to a novel anchorage block structure that is used for single-point tension formula flotation pontoon mooring system of water conservancy project anchor ground, specifically says so one kind and utilizes the bearing capacity that the negative pressure principle increases the anchorage block, realizes reducing concrete volume and buries dark novel anchorage block structure.
Background
The anchorage is an important facility for water transportation engineering and is used for daily berthing of ships. The tension type single-point buoy mooring system mainly comprises a buoy, a mooring ring, an anchor chain, an anchor ingot and the like, has the advantages of small occupied water area, short construction period, wide application range, relatively less investment, small damage to the environment, convenience in ship leaning and separating, and the like, and is widely applied to the fields of channel engineering anchorage, marine ship mooring and the like. The anchorage device in the tension type buoy mooring system is generally designed by using a gravity type anchorage sinking block, and aiming at the design of the gravity type anchorage sinking block, the weight of the required anchorage sinking block is calculated mainly by analyzing the maximum mooring force of a design representative ship type in a single buoy mooring mode of the anchorage ground.
With the development of large-scale ships, an anchor block in a tension type single-point mooring system generally needs a larger volume according to calculation and analysis in order to meet the load of water flow, wind, wave and the like on a moored ship, and the bearing requirement can be met only by a certain burial depth. However, when the volume of the anchorage block body is large, on one hand, the required concrete amount is correspondingly large, and on the other hand, during construction, a large field is required during concrete pouring, special requirements are also provided for land transportation and water transportation machinery and land and water hoisting machinery, and the comprehensive economic cost is rapidly increased along with the increase of the anchorage block body. In addition, in order to reduce the scouring of water flow to the anchorage after installation and simultaneously improve the pulling resistance of the anchorage block, the anchorage is generally required to have a certain burial depth. When the anchor ingot used for mooring a large ship is large in size, the excavation workload of a foundation pit is large during installation, and the back silt amount in the excavation process is further increased under the influence of water flow; in addition, the ecological environment at the bottom of the riverbed of the engineering area is greatly damaged in the excavation process, and the biological safety and the downstream water quality of the water area are influenced.
Therefore, it is urgently needed to develop a novel anchor block structure form which can effectively reduce the block volume and reduce the excavation amount of the foundation pit on the premise of meeting the mooring requirement of a large ship (ship type).
Disclosure of Invention
The utility model discloses to the not enough of existence among the prior art, provide a novel anchorage block structure of negative pressure formula that can be used to the nervous formula single point mooring system that water conservancy project anchorages large-scale boats and ships moored.
In order to achieve the above object, the utility model discloses a following technical scheme realizes: the utility model provides a negative pressure anchorage block that is used for nervous formula single point mooring anchorage system, the anchorage block comprises reverse cylinder concrete sinking piece, its characterized in that: the reverse cylinder type concrete sinking block comprises a cylinder wall and a cylinder top, wherein a steel embedded pipe is arranged in the cylinder top, meanwhile, the upper end of the steel embedded pipe is connected with a negative pressure joint device, and a rubber plug is arranged in the negative pressure joint device.
The structure is the structure before the negative pressure anchorage block body of the tension type single-point mooring anchorage system is installed and used.
The structure of the tension type single point mooring anchor system after the negative pressure anchor block is installed and used is as follows:
the utility model provides a negative pressure anchorage block that is used for nervous formula single point mooring anchorage system, the anchorage block comprises reverse cylinder concrete sinking piece, its characterized in that: the reverse cylinder type concrete sinking block comprises a cylinder wall and a cylinder top, wherein a steel embedded pipe is arranged in the cylinder top; the rubber stopper has been filled in the upper end of this steel embedded pipe, and the upper end of this steel embedded pipe is equipped with the secondary seal cover simultaneously.
In other words, the utility model discloses a with conventional quadrangular frustum of a prism shape anchorage block body improve to reverse cylinder structure, the central point department in the section of thick bamboo top sets up and is the anchor chain ring, arranges the steel buried pipe in the side. The lower half part of an anchorage block body with a reverse cylinder type structure is concave inwards to form a cavity to form a cylinder type structure, and a steel embedded pipe is embedded in upper concrete during prefabrication; the negative pressure joint device comprises a device shell, a guide sheet, a guide rail and a top cover. The top shape of the rubber plug is matched with the bell mouth at the top of the embedded pipe, and the lower part of the rubber plug is gradually shrunk inwards so as to be conveniently and smoothly plugged into the embedded pipe. The guide sheet is characterized in that two ends of the guide sheet are inwards symmetrical and concave semi-circular so as to be clamped into the guide rail, the guide rail can control the guide rail to move up and down in parallel along with air pressure, the section of the guide rail is semi-circular-like, the guide rail is symmetrically welded inside a shell of the device, the length of the guide rail is 5-10cm, and the section of the bottom of the guide rail is inwards expanded to form a limiting clamping groove. And a rubber sealing ring is embedded at the bottom of the secondary sealing sleeve.
During installation, firstly hoisting the reverse cylinder type anchorage block structure to a designated position of an underwater foundation pit, connecting a negative pressure joint device to a pre-buried pipe at the top of the anchorage block after the installation is smooth, and backfilling the foundation pit to the top surface of the reverse cylinder type anchorage block structure; the joint device is connected with a vacuum pump for vacuumizing, air exhaust is stopped when the internal negative pressure value reaches 0.5-0.8 MPa, the rubber plug inside the joint device is automatically plugged to the embedded pipe due to pressure difference, and the top of the embedded pipe is screwed into the secondary sealing sleeve after the joint device is dismounted, so that the installation of the negative pressure type anchorage block body can be completed.
Compared with the prior art the utility model discloses beneficial effect is:
1. the utility model provides a negative pressure type novel anchorage block structure of a tension type single-point mooring system, which can be used in an anchorage ground for large ships to lean against, and can effectively reduce the concrete consumption, reduce the mechanical requirements of water and land transportation and hoisting on the premise of meeting the design requirements, and greatly reduce the construction cost;
2. the utility model provides a negative pressure type novel anchorage block structure which can be used in an anchorage ground that a large ship is tied to and is used for a tension type single-point mooring system, a reverse cylinder type concrete sinking block can be sunk by utilizing negative pressure, the excavation depth and the excavation range of an underwater foundation pit are effectively reduced, the economical efficiency is improved, meanwhile, the damage of construction to a riverbed can be effectively reduced, and the influence of the construction on the biological safety of a water area and the downstream water quality is reduced;
3. the utility model adopts the novel negative pressure joint device, which ensures the vacuum pumping of the device and simultaneously does not need to manually take off the pump pipe and sleeve the rubber plug, thereby greatly ensuring the vacuum effect of the device and simultaneously saving manpower;
4. the utility model adopts a slide rail type movable structure, which ensures the guide vane to move vertically and smoothly, and simultaneously limits the guide vane not to turn over and limit the movable range when moving, and is convenient to use;
5. the hollow guide vane ensures that air flows smoothly when the device is exhausted, and is convenient for completing the sealing operation of the device by utilizing the air pressure difference after the air exhaust of the device is completed;
6. the utility model discloses a rubber buffer and steel seal cover design, the device gas tightness has been guaranteed to the secondary for the device is reliably durable.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a top view of the present invention in use;
FIG. 3 is an overall view of the present invention during installation;
FIG. 4 is a detail view of the negative pressure connector apparatus 4;
fig. 5 is a plan view of the negative pressure joint device 4.
In the figure, A is an anchor chain joint, and B is an air suction pump.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings: example 1, a negative pressure mooring block apparatus for tension type single point mooring, referring to fig. 1-5: the device comprises a reverse cylinder type concrete sinking block 1, a steel embedded pipe 2, a rubber plug 3, a negative pressure joint device 4 and a secondary sealing sleeve 5, wherein the negative pressure joint device 4 comprises a device shell 41, a guide sheet 42, a guide rail 43 and a top cover 44. Before use, the rubber stopper 3 is adhered to the bottom of the guide plate 42, then the guide plate 42 is loaded into the device housing 41 along the guide rail 43, and then the top cover 44 is sleeved to complete the installation of the negative pressure connector device 4. Then sinking the reverse cylinder type concrete sinking block 1 to the designated position of the underwater foundation pit, connecting a negative pressure joint device 4 to a pre-buried pipe 2 at the top of the anchorage block body after the installation is smooth, and backfilling the foundation pit to the top surface of the reverse cylinder type anchorage block body structure; connect aspiration pump B with negative pressure piecing devices 4 top, open aspiration pump B and begin work afterwards, stop bleeding when the inside atmospheric pressure value reaches 0.5~0.8MPa, the inside rubber buffer 3 of negative pressure piecing devices 4 is because pressure differential and guide vane 42 break away from and automatic stopper tightly to pre-buried pipe 2, lift off negative pressure piecing devices 4 after the rubber buffer top twists secondary seal cover 5 can accomplish the installation of negative pressure anchorage block.
In detail, with reference to the attached drawings: the device comprises a reverse cylinder type concrete sinking block 1, a steel embedded pipe 2, a rubber plug 3, a negative pressure joint device 4 and a secondary sealing sleeve 5. Reverse cylinder concrete sinker 1 is based on the improvement of former gravity formula concrete quadrangular frustum of a pyramid shape anchorage block body to reverse cylinder structure, and the lower half is interior to form the cavity in order to constitute cylinder structure, and pre-buried steel pipe 2 is in advance in upper concrete when sinker is prefabricated so that vacuum negative pressure device inserts and bleeds.
The steel is buried pipe 2 in advance and is Q235 steel material, and the top inner wall expands outward and forms the horn mouth shape so that the rubber buffer 3 inserts the stopper smoothly tightly, and the top outer wall has the screw thread so that negative pressure joint device 4 and secondary seal cover 5 can closely link to each other with the device, guarantee the gas tightness.
The negative pressure joint device 4 comprises a device shell 41, a guide vane 42, a guide rail 43 and a top cover 44, and the whole material is Q235 steel. A threaded sleeve is embedded in the bottom of the device shell 41 to facilitate the whole device to be hermetically connected with the top of the embedded pipe 2, and the outer edge of the top is threaded to enable the top cover 44 to be tightly connected; the guide sheet 42 is made of steel wire mesh bundles, the section of the guide sheet is circular, the hollow design is adopted to ensure that air at the bottom of the device can be smoothly pumped out from the upper part when the device is pumped out, and the two ends of the guide sheet are symmetrically inwards concave and semicircular so as to be clamped into the guide rail 43 to control the guide rail to move up and down in parallel along with air pressure; the cross section of the guide rail 43 is semicircular-like, the guide rail is symmetrically welded in the device shell 41, the length of the guide rail is 5-10cm, and the cross section of the bottom of the guide rail is expanded inwards to form a limiting clamping groove so as to ensure that the guide sheet 42 cannot continuously move downwards to be separated from the rubber plug 3 when the air suction is stopped; the diameter of the lower part of the top cover 44 is consistent with that of the device shell 41, the inner edge of the top cover is provided with threads so as to be tightly connected with the shell, and the diameter of the upper part of the top cover is consistent with that of a pump pipe of the air pump so as to ensure that air leakage cannot occur when the top cover is connected with the air pump.
The secondary seal cover 5 is a steel top cover, and internal screw threads enable the negative pressure connector device 4 to be tightly connected with the embedded pipe when being separated, and a rubber seal ring is embedded at the bottom of the device to guarantee the air tightness of the device for the secondary.
Claims (8)
1. The utility model provides a negative pressure anchorage block for nervous formula single point mooring, anchorage block comprises reverse cylinder concrete sinking piece, its characterized in that: the reverse cylinder type concrete sinking block comprises a cylinder wall and a cylinder top, wherein a steel embedded pipe is arranged in the cylinder top, meanwhile, the upper end of the steel embedded pipe is connected with a negative pressure joint device, and a rubber plug is arranged in the negative pressure joint device.
2. The negative pressure anchorage block for tension type single point mooring of claim 1, characterized in that: the negative pressure joint device comprises a device shell, a guide sheet, a guide rail and a top cover.
3. The negative pressure anchorage block for tension type single point mooring of claim 2, characterized in that: a threaded sleeve is embedded in the bottom of a shell of the negative pressure joint device, the section of a guide vane is designed in a hollow mode, the section of the bottom of a guide rail is inwards expanded to form a limiting clamping groove, and the upper portion of a top cover is connected with an air suction pump.
4. A negative pressure mooring block for tension type single point mooring according to claim 1, characterized in that: the inner wall of the top of the steel embedded pipe expands outwards to form a bell mouth shape, and the outer wall of the top is carved with threads which can be tightly connected with a device.
5. The negative pressure anchorage block for tension type single point mooring of claim 1, characterized in that: the top shape of the rubber plug is matched with the bell mouth at the top of the embedded pipe, and the lower part of the rubber plug is gradually shrunk inwards so as to be conveniently and smoothly plugged into the embedded pipe.
6. The negative pressure anchorage block for tension type single point mooring of claim 3, characterized in that: the guide sheet is characterized in that the two ends of the guide sheet are inwards symmetrical and concave semi-circular so as to be clamped into the guide rail, the guide rail can control the guide rail to move up and down in parallel along with air pressure, the section of the guide rail is semi-circular-like, the guide rail is symmetrically welded inside a shell of the device, the length of the guide rail is 5-10cm, and the section of the bottom of the guide rail is inwards expanded to form a limiting clamping groove.
7. The utility model provides a negative pressure anchorage block for nervous formula single point mooring, anchorage block comprises reverse cylinder concrete sinking piece, its characterized in that: the reverse cylinder type concrete sinking block comprises a cylinder wall and a cylinder top, wherein a steel embedded pipe is arranged in the cylinder top; the rubber stopper has been filled in the upper end of this steel embedded pipe, and the upper end of this steel embedded pipe is equipped with the secondary seal cover simultaneously.
8. The negative pressure anchorage block for tension type single point mooring of claim 7, wherein: and a rubber sealing ring is embedded at the bottom of the secondary sealing sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123231334.4U CN216834154U (en) | 2021-12-20 | 2021-12-20 | Negative pressure anchorage block body for tension type single point mooring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123231334.4U CN216834154U (en) | 2021-12-20 | 2021-12-20 | Negative pressure anchorage block body for tension type single point mooring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216834154U true CN216834154U (en) | 2022-06-28 |
Family
ID=82109136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123231334.4U Active CN216834154U (en) | 2021-12-20 | 2021-12-20 | Negative pressure anchorage block body for tension type single point mooring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216834154U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116657506A (en) * | 2023-07-27 | 2023-08-29 | 中国建筑第六工程局有限公司 | Method for arranging cable crane gravity anchors of highway and rail dual-purpose suspension bridge in deep soil layer |
-
2021
- 2021-12-20 CN CN202123231334.4U patent/CN216834154U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116657506A (en) * | 2023-07-27 | 2023-08-29 | 中国建筑第六工程局有限公司 | Method for arranging cable crane gravity anchors of highway and rail dual-purpose suspension bridge in deep soil layer |
| CN116657506B (en) * | 2023-07-27 | 2023-11-14 | 中国建筑第六工程局有限公司 | Method for arranging cable crane gravity anchors of highway and rail dual-purpose suspension bridge in deep soil layer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105333227B (en) | Structure support device for treating suspended span of submarine pipeline | |
| CN103334413B (en) | The floatable oil fence | |
| CN216834154U (en) | Negative pressure anchorage block body for tension type single point mooring | |
| CN206243403U (en) | A kind of semi-submersible offshore platform of adjustable floating body damage inflow | |
| CN102677694A (en) | Offshore wind power submersible foundation structure and complete fan installation construction method thereof | |
| CN201615337U (en) | Submarine pipeline oil catcher | |
| CN201651546U (en) | Pipeline stabilization ballasting bag | |
| CN103161171B (en) | The band pump shut-in well method of Dewatering by pressure reduction well | |
| CN100510282C (en) | Sea-water spanning underslung flow type tunnel bridge | |
| CN109853572B (en) | Concrete anchor in-situ pouring process method and floating structure | |
| CN105604084A (en) | Underwater high-pressure grouting connecting structure for offshore wind turbine foundation steel pipe pile and transition section and installation process of underwater high-pressure grouting connecting structure | |
| CN102704502A (en) | Offshore submerged box type foundation structure and construction method thereof | |
| CN205530323U (en) | Marine wind turbine foundation steel -pipe pile and changeover portion be high -pressure grouting connection structure under water | |
| CN105714740B (en) | Dyke fast blockage equipment | |
| CN212896428U (en) | Be applied to shallow waters concrete defect prosthetic shield formula caisson under water | |
| CN203361108U (en) | Sinking and floating type oil containment boom | |
| CN213867912U (en) | Plugging device for floating transportation of large-diameter steel piles on sea | |
| CN201704679U (en) | Inflatable oil containment boom for submersible positioning storage | |
| CN207211168U (en) | A kind of separable pier formula cofferdam | |
| CN201635916U (en) | Buoyancy power generating device | |
| CN210737489U (en) | Inflatable oil containment boom | |
| CN104495618B (en) | Method for installing underwater overweight member by using small-sized hoisting equipment | |
| CN214776446U (en) | Tension leg type shallow sea rock-soil exploration mobile platform | |
| CN219428322U (en) | Suction anchor for ocean engineering construction | |
| CN213062156U (en) | Silt matter clay deep and large foundation ditch is washed under water and is dug equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |