CN217105169U - Cofferdam latching mechanism - Google Patents
Cofferdam latching mechanism Download PDFInfo
- Publication number
- CN217105169U CN217105169U CN202022229322.7U CN202022229322U CN217105169U CN 217105169 U CN217105169 U CN 217105169U CN 202022229322 U CN202022229322 U CN 202022229322U CN 217105169 U CN217105169 U CN 217105169U
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- China
- Prior art keywords
- connecting rod
- shaped
- buckle
- box
- oval
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- 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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/04—Prefabricated parts, e.g. composite sheet piles made of steel
- E02D5/08—Locking forms; Edge joints; Pile crossings; Branch pieces
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
Abstract
The utility model provides a cofferdam lock catch mechanism, which comprises a box component and a pin component, wherein the box component and the pin component are detachably connected, the box component comprises a box connecting rod, one end of the box connecting rod is connected with a connecting piece A, the other end is connected with a C-shaped connecting part, the pin component comprises a pin connecting rod, one end of the pin connecting rod is connected with a connecting piece B, the other end is provided with an oval connecting block, the oval connecting block is detachably arranged in the C-shaped connecting part, the clearance between the box and the pin is small, and the elliptic shape is not easy to rotate relatively, does not generate relative deviation, has strong tensile property and is not easy to unhook when in a matching state, ensures the whole construction straightness and quality, when filling is carried out in the later stage, the required materials are few, the material cost is saved, the water stopping and sand stopping effects are guaranteed, the integration degree is higher, and the weighing force is stronger.
Description
Technical Field
The utility model belongs to the technical field of construction equipment connection technique and specifically relates to a cofferdam latched device.
Background
The cofferdam is a temporary enclosure structure built for building permanent hydraulic facilities in the hydraulic engineering construction. The cofferdam has the functions of preventing water and soil from entering the building position of the building so as to drain water in the cofferdam, excavate a foundation pit and build the building. The cofferdam is mainly used in hydraulic buildings in general, and is dismantled after being used up except as a part of a formal building. The cofferdam height is higher than the highest water level that may occur during construction.
The cofferdam usually adopts steel pipe piles, steel plate piles and profile steel, can well stop water and prevent quicksand from invading, the steel pipe piles, the steel plate piles and the profile steel need to be connected, the current main refining mode is L-T form, or P-T form or P-P lock catch, Chinese patent CN201910012864.8 discloses a 'lock catch steel pipe pile and I-shaped plate pile combined cofferdam structure, which comprises a plurality of lock catch steel pipe piles spliced end to end and a plurality of I-shaped lock plates' which are P-T-shaped connection, the construction materials are used more, and the connection clearance is large, so the water stopping and sand stopping effect is poor, the connection part is easy to rotate, the steel pipe piles are easy to shift in the connection process, thereby the whole construction straightness and construction quality are influenced, the bearing is low, the tensile property is low, the mutual buckling force is low, the steel pipe piles are likely to rotate, the hooks are easy to be off, and simultaneously, the concrete is needed to be poured in the construction for water stopping and sand preventing work, in the construction process, every deviation is 3 degrees, the deviation is 4.68 meters when the thickness is 100 meters, and the deviation data is continuously measured and modified to prevent overlarge deviation, so that the construction time is prolonged by 5 to 8 percent, the construction time is greatly prolonged, and the use cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cofferdam latched device can effectively solve above-mentioned problem, cooperation through "C" type connecting portion and elliptical connection piece, the relative rotation can not take place between son knot subassembly and the box subassembly, thereby connecting piece A has been guaranteed, stability between the connecting piece B, relative rotation or relative skew can not take place, stagnant water, only husky effect is better, the clearance is little simultaneously, interlocking power is strong, difficult unhook, whole construction straightness accuracy and construction quality have been guaranteed, when carrying out the filling in the later stage, the material that needs is few, the material cost has been practiced thrift.
The utility model provides a technical scheme that its technical problem adopted is:
a cofferdam lock catch mechanism comprises a female buckle assembly and a male buckle assembly, wherein the female buckle assembly is detachably connected with the male buckle assembly, the female buckle assembly comprises a female buckle connecting rod, a C-shaped connecting part and a connecting part A, one end of the female buckle connecting rod is connected with the connecting part A, and the other end of the female buckle connecting rod is connected with the C-shaped connecting part; the sub-buckle assembly comprises a sub-buckle connecting rod, an oval connecting block and a connecting piece B, one end of the sub-buckle connecting rod is connected with the connecting piece B, the other end of the sub-buckle connecting rod is connected with the oval connecting block, the oval connecting block can be detachably arranged in a groove of the C-shaped connecting portion, and the length of the notch of the C-shaped connecting portion is larger than the thickness of the sub-buckle connecting rod and smaller than the long axis of the oval connecting block. The inner groove of the C-shaped connecting part of the female buckle is oval, the inner groove of the C-shaped connecting part is in clearance fit with the oval connecting block of the male buckle, and the long axis direction of the oval connecting block is consistent with the long axis direction of the groove.
According to the utility model discloses a scheme, preferred, the box connecting rod passes through the transition fillet with "C" type connecting portion and is connected, and the son is detained the connecting rod and is connected through the transition fillet with the elliptical connection piece. The notch of the C-shaped connecting part is an arc-shaped surface connected with the inner wall of the groove, and the arc-shaped surface is matched with the transition round angle in shape.
According to the utility model discloses a scheme, it is preferred, the son is detained the connecting rod and is platelike structure, and the box connecting rod is platelike structure, and thickness is half of elliptical connection piece major axis.
According to the utility model discloses a scheme, it is preferred, the son is detained the connecting rod and is "L" type structure, and the box is platelike structure, and thickness is half of elliptical connection piece major axis.
According to the utility model discloses a scheme, it is preferred, connecting piece A, connecting piece B are cyclic annularly, the son detain the connecting rod be equipped with connecting piece B complex arc wall with connecting piece B link, the box connecting rod be equipped with connecting piece A complex arc wall with connecting piece A link, connecting piece A, connecting piece B are the steel-pipe pile particularly.
According to the utility model discloses a scheme, it is preferred, union piece A, connecting piece B are platelike, and connecting piece A, connecting piece B are panel particularly.
According to the utility model discloses a scheme, it is preferred, box connecting rod and connecting piece A, son buckle connecting rod and connecting piece B welded connection.
The beneficial effects of the utility model are that:
1. through the inside recess of "C" type connecting portion of box subassembly and the elliptical connection piece clearance fit of son knot subassembly, the recess is little with the clearance of elliptical connection piece, and oval-shaped shape when the fit state, difficult emergence relative rotation, the relative rotation can not take place for connected steel-pipe pile or panel, the construction error of 100 meters long degree scope is steerable within 0.5 meters, can not produce relative skew, tensile strength is strong, the interlocking is strong, difficult unhook has guaranteed whole construction straightness accuracy and construction quality.
2. Need not to carry out secondary stagnant water operation after the construction, stagnant water and construction are accomplished simultaneously, promote the construction progress more than 10% -20%, and the clearance between oval recess and the oval connecting block is little for the L-T form simultaneously, or P-T form or P-P hasp, when carrying out the filling in later stage, the material that needs is few, has practiced thrift material cost, has guaranteed stagnant water simultaneously, has stopped husky effect, joins in marriage special sealant and can reach 99% stagnant water, the effect of stopping husky. Because the clearance of recess and oval connecting block is little, and the wholeization degree is higher, and the power of weighing is stronger.
3. All be provided with the transition fillet in box subassembly, the son subassembly of detaining, in the arcwall face cooperation of "C" type connecting portion, the fit clearance is littleer, the stress concentration of avoiding, the cooperation is inseparabler.
4. The length of the gap is larger than the thickness of the sub-buckle connecting rod, the length of the gap is smaller than the long axis of the elliptic connecting block, the sub-buckle connecting rod can be smoothly placed into the gap, the gap between the elliptic connecting block and the C-shaped connecting part can be prevented from being too large, and the smaller gap is ensured.
5. When connecting piece A, connecting piece B are cyclic annular, the son detain the connecting rod with connecting piece B link be equipped with connecting piece B complex arc wall, the box connecting rod with connecting piece A link be equipped with connecting piece A complex arc wall, can make the box connecting rod inseparabler with the cooperation of son knot connecting rod, make things convenient for welded connection.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a structural view of the female buckle of the present invention;
FIG. 4 is a view of the structure of the sub-buckle of the present invention;
FIG. 5 is a structural diagram of the steel pipe pile of the present utility model;
FIG. 6 is a structural diagram of the connector of the present invention as a plate;
in the figure: 1. a sub-buckle connecting rod; 2. an oval connecting block; 3. a "C" shaped connection; 4. a female buckle connecting rod; 5. a groove; 6. a connecting piece A; 7. and a connecting piece B.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in 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 only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of describing the present invention, but do not require the present invention to be constructed or operated in a specific orientation, and therefore, cannot be construed as limiting the present invention. The terms "connected" and "connected" in the present invention should be understood in a broad sense, for example, they may be welded or detachably connected; the terms may be directly connected or indirectly connected through intermediate components, and specific meanings of the terms may be understood as specific conditions by those skilled in the art.
Example 1:
as shown in fig. 1-5, a cofferdam lock catch mechanism comprises a box assembly and a pin assembly, the box assembly is detachably connected with the pin assembly, the box assembly comprises a box connecting rod 4, a 'C' -shaped connecting part 3 and a connecting part a6, one end of the box connecting rod 4 is connected with the connecting part a6, the other end is connected with the 'C' -shaped connecting part 3, the pin assembly comprises a pin connecting rod 1, an elliptical connecting block 2 and a connecting part B7, one end of the pin connecting rod 1 is connected with the connecting part B7, the other end is connected with the elliptical connecting block 2, the elliptical connecting block 2 is detachably arranged in the 'C' -shaped connecting part 3, the elliptical connecting block 2 is matched with a groove 5 of the 'C' -shaped connecting part 3, the groove 5 is elliptical, the long axis direction of the elliptical connecting block 2 is consistent with the long axis direction of the groove 5, the elliptical connecting block can ensure stability, and does not generate relative rotation after the pouring is completed, the clearance can make the less again simultaneously, all through welded connection between box connecting rod 4 and connecting piece A6, son knot connecting rod 1 and the connecting piece B7, box connecting rod 4 is connected through the transition fillet with "C" type connecting portion 3 junction, the stress gathering that can avoid greatly, and son knot connecting rod 1 is connected through the transition fillet with 2 junctions of elliptical connection piece, can avoid stress gathering equally. Simultaneously the breach of "C" type connecting portion is the arcwall face that links to each other with 5 inner walls of recess, and the arcwall face cooperates with transition circular angle shape for the cooperation is inseparabler, and the clearance is little, avoids bumping in the installation, leads to local stress too big, causes the damage, "C" type connecting portion 3 of box subassembly, and breach length is greater than sub-knot connecting rod 1 thickness, makes things convenient for placing of sub-knot connecting rod 1, is less than the major axis of elliptical connection piece 2. Thereby guarantee that the clearance of "C" type connecting portion 3 and elliptical connection piece 2 is little, each other detain the reinforce, difficult unhook, whole construction straightness accuracy and construction quality have been guaranteed, because the clearance of current device is too big, once water still has the clearance, need secondary watering stagnant water usually, this application is because the clearance is little, need not to carry out secondary stagnant water operation after the construction, stagnant water and construction are accomplished simultaneously, promote the construction progress more than 10% -20%, the construction error of 100 meters length scope is steerable within 0.5 meters, when carrying out the filling in later stage, the material that needs is few, material cost has been practiced thrift, join in marriage special sealing agent and can reach 99% stagnant water, the effect of stagnant sand. The inside recess 5 of "C" type connecting portion 3 of box subassembly is oval, and the inside recess of "C" type connecting portion 3 is with the oval connecting block 2 clearance fit that the son was buckled, can not take place relative rotation between son knot and the box to guaranteed the stability between connecting piece A6 and the connecting piece B7, can not take place relative rotation or relative skew, stagnant water, the sand effect is better that ends, son is detained connecting rod 1 and is panel, and box connecting rod 4 is panel, and thickness is half of oval connecting block 2 major axis, and connecting piece A6, connecting piece B7 are the steel-pipe pile, and son is detained connecting rod 1 and connecting piece B7 link and is equipped with the arc wall with steel-pipe pile complex, and box connecting rod 4 and steel-pipe pile link are equipped with the arc wall with connecting piece A6 complex, and are inseparabler with the cooperation of steel-pipe pile.
The working principle is as follows:
in the use, connect son with the box through the welded connection with the symmetry both ends of steel-pipe pile, insert one steel-pipe pile among the ground, insert the ground through the cooperation mode of son's knot subassembly with the box subassembly with the second steel-pipe pile, connect gradually, constitute a confined shape as required, as shown in figure 5, again carry out the grout operation to the clearance department of son's knot subassembly and box subassembly, can accomplish arranging of cofferdam.
Example 2:
as shown in fig. 6, a cofferdam lock catch mechanism is different in that the connecting piece a6 and the connecting piece B7 are plates, the male buckle component is welded with the connecting piece B7, and the female buckle component is connected with the connecting piece a6 by welding. The position of a first plate is firstly arranged as required, the connecting piece A6 and the connecting piece B7 are connected through the matching of the male buckle component and the female buckle component, other plates are sequentially connected, a closed annular structure is finally formed, and the rest structures are consistent with those of the embodiment 1.
Example 3:
the utility model provides a cofferdam latched device, the difference is, son detains connecting rod 1 and is "L" type, and box connecting rod 4 is platelike structure, and the thickness of son detains connecting rod 1 and box connecting rod 4 is half of oval connecting block 2 major axis, can be used for the connecting piece A6 that needs the turning, the condition that connecting piece B7 connected, connects stably, and difficult rotation can effectively block the yawing force, and other structures are unanimous with embodiment 1.
The foregoing is a preferred embodiment of the present invention, and the description of the specific embodiments is only for better understanding of the idea of the present invention. To those skilled in the art, many modifications and equivalents may be made in accordance with the principles of the present invention and are deemed to fall within the scope of the invention.
Claims (4)
1. The utility model provides a cofferdam latched device, detains the subassembly including box subassembly, son, and the box subassembly can be dismantled with the son subassembly and be connected its characterized in that: the female buckle assembly comprises a female buckle connecting rod, a C-shaped connecting part and a connecting part A, wherein one end of the female buckle connecting rod is connected with the connecting part A, and the other end of the female buckle connecting rod is connected with the C-shaped connecting part; the sub-buckle assembly comprises a sub-buckle connecting rod, an oval connecting block and a connecting piece B, one end of the sub-buckle connecting rod is connected with the connecting piece B, the other end of the sub-buckle connecting rod is connected with the oval connecting block, and the oval connecting block is detachably arranged in a groove of the C-shaped connecting part;
the length of the gap of the C-shaped connecting part of the female buckle assembly is greater than the thickness of the male buckle connecting rod, and the length of the gap is less than the long axis of the elliptic connecting block;
the inner groove of the C-shaped connecting part of the female buckle assembly is oval, the inner groove of the C-shaped connecting part is in clearance fit with the oval connecting block of the male buckle, and the long axis direction of the oval connecting block is consistent with that of the groove;
the female buckle connecting rod is connected with the C-shaped connecting part through a transition fillet, and the male buckle connecting rod is connected with the oval connecting block through a transition fillet;
the notch of the C-shaped connecting part is an arc-shaped surface connected with the inner wall of the groove, and the arc-shaped surface is matched with the transition round angle in shape; and is
Connecting piece A, connecting piece B are cyclic annular, and son detains the connecting rod and is equipped with connecting piece B complex arc wall with connecting piece B link, and box connecting rod and connecting piece A link are equipped with connecting piece A complex arc wall, the thickness that the connecting rod was detained to the son with the thickness of box connecting rod is half of the elliptical connection piece major axis.
2. The cofferdam snapping mechanism according to claim 1, wherein: the secondary buckle connecting rod is of a plate-shaped structure, and the primary buckle connecting rod is of a plate-shaped structure.
3. The cofferdam snapping mechanism according to claim 1, wherein: the secondary buckle connecting rod is L-shaped, and the primary buckle connecting rod is of a plate-shaped structure.
4. The cofferdam snapping mechanism according to claim 1, wherein: the connecting piece A and the connecting piece B are both plates.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022229322.7U CN217105169U (en) | 2020-10-09 | 2020-10-09 | Cofferdam latching mechanism |
| JP2023600049U JP3243711U (en) | 2020-10-09 | 2021-10-08 | Cofferdam locking mechanism |
| PCT/CN2021/122712 WO2022073485A1 (en) | 2020-10-09 | 2021-10-08 | Cofferdam locking mechanism |
| KR2020237000023U KR20230001446U (en) | 2020-10-09 | 2021-10-08 | cofferdam locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022229322.7U CN217105169U (en) | 2020-10-09 | 2020-10-09 | Cofferdam latching mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217105169U true CN217105169U (en) | 2022-08-02 |
Family
ID=81125616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022229322.7U Active CN217105169U (en) | 2020-10-09 | 2020-10-09 | Cofferdam latching mechanism |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP3243711U (en) |
| KR (1) | KR20230001446U (en) |
| CN (1) | CN217105169U (en) |
| WO (1) | WO2022073485A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115559434B (en) * | 2022-11-09 | 2023-10-13 | 中建三局第一建设工程有限责任公司 | Water-stopping steel plate connecting piece, water-stopping assembly and construction method of water-stopping assembly |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202004018659U1 (en) * | 2003-12-10 | 2005-03-10 | Pilepro Llc | Connecting element for sheet piles |
| DE102012214965A1 (en) * | 2012-08-23 | 2014-05-15 | Pilepro Llc | Connecting element for connecting sheet piles of sheet-pile wall with Larssen lock, has hook strip extended from bar of connecting part, and connection strip extended from web of connecting element and comprising oval-shaped head strip |
| CN202810873U (en) * | 2012-09-28 | 2013-03-20 | 中铁十六局集团北京工程有限公司 | Pipe curtain connection buckle |
| CN102900089B (en) * | 2012-10-31 | 2015-08-26 | 东南大学 | With the combination piling bar cofferdam of hydro-expansive rubber waterproof fore shaft |
| CN104631435A (en) * | 2015-01-13 | 2015-05-20 | 金天德 | Meshing structure for box-shaped steel plate meshing continuous wall |
| CN208586625U (en) * | 2018-06-07 | 2019-03-08 | 上海建工集团股份有限公司 | A kind of antipriming pipe curtain building enclosure |
| CN209194509U (en) * | 2018-11-16 | 2019-08-02 | 宏源精工车轮股份有限公司 | A kind of steel sheet pile lock steel composite structure |
-
2020
- 2020-10-09 CN CN202022229322.7U patent/CN217105169U/en active Active
-
2021
- 2021-10-08 JP JP2023600049U patent/JP3243711U/en active Active
- 2021-10-08 WO PCT/CN2021/122712 patent/WO2022073485A1/en active Application Filing
- 2021-10-08 KR KR2020237000023U patent/KR20230001446U/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| KR20230001446U (en) | 2023-07-17 |
| JP3243711U (en) | 2023-09-13 |
| WO2022073485A1 (en) | 2022-04-14 |
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