CN113789728A - Connecting device for underwater component mounting seam - Google Patents
Connecting device for underwater component mounting seam Download PDFInfo
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- CN113789728A CN113789728A CN202111159337.3A CN202111159337A CN113789728A CN 113789728 A CN113789728 A CN 113789728A CN 202111159337 A CN202111159337 A CN 202111159337A CN 113789728 A CN113789728 A CN 113789728A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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Abstract
The invention discloses a connecting device for an underwater component mounting seam, and relates to the technical field of underwater components. The rubber ring is fixedly arranged on two sides of the mounting cover, clamping blocks are fixedly arranged on two positive sides of the mounting plate, clamping grooves are movably arranged in the outer walls of the clamping blocks, and the back surfaces of the fixing plates are arranged in the clamping grooves. Make mounting panel and fixed plate communicate through setting up the opening, the people of being convenient for observe its inside installation cover through the observation window, improve the maintenance efficiency to erection joint connecting device, and through the fixed effect that sets up the supplementary reinforcing mounting panel of strengthening rib, make mounting panel and fixed plate can carry out long-time placing under water, and laminating frame and rubber layer can assist erection joint connecting device to carry out spacing fixed to gap department, make the gap can obtain filling and airtight, promote the stress intensity of local structure.
Description
Technical Field
The invention relates to the technical field of underwater components, in particular to a connecting device for an underwater component mounting seam.
Background
The underwater components cannot be seen below the water surface, so that diving personnel are required to perform underwater matching operation for accurate positioning during installation, and a lot of roads and bridges in the market at present need to be supported on rivers through steel concrete columns, so that the stability of the underwater components of the roads and the bridges is very important.
For the underwater component of the bridge, the connection mode of the component and the component can bring the problem that the joint is not tight enough after the underwater component is installed, thereby causing the problem that the structure cracks locally under the long-time corrosion of water flow, and the structure causes larger additional stress ratio of the structure due to poor supporting conditions, and the problem that the structure needs to be maintained and replaced by people is caused, so that not only the working strength of people is overhigh, but also the retrieval is troublesome, and the corrosion resistance of a common installation joint connecting device to the water flow is weaker, so that the device is damaged and cracked after being subjected to the impact of the water flow for a long time, and the phenomenon that the connecting device falls off or shifts easily occurs, and the use is not facilitated.
Disclosure of Invention
The invention provides a connecting device for an underwater component mounting seam, which has the advantages of strong fixing and limiting capacity, good corrosion resistance effect, quick replacement and maintenance, large warning effect and long service life, and solves the problems of common fixing and limiting effect, common corrosion resistance effect, troublesome replacement and maintenance, troublesome retrieval and common service life of common devices.
In order to realize the purposes of strong fixing and limiting capacity, good corrosion resistance effect, quick replacement and maintenance, large warning effect and long service life of the connecting device, the invention provides the following technical scheme: a filling opening is fixedly formed in the top of the mounting plate, a mounting cover is fixedly arranged at the bottom of the filling opening, rubber rings are fixedly arranged on two sides of the mounting cover, clamping blocks are fixedly arranged on two sides of the front surface of the mounting plate, clamping grooves are movably formed in the outer walls of the clamping blocks and are formed in the back surface of a fixing plate, through holes are formed in the front surface of the fixing plate, expansion screws are movably arranged on the inner walls of the through holes, filling layers are fixedly arranged on the back surfaces of the mounting plate and the fixing plate, a warning box is fixedly arranged on the front surface of the fixing plate, a lighting lamp is fixedly arranged inside the warning box, and a waterproof cover is arranged on the front surface of the warning box;
the front activity of fixed plate is provided with turns to the seat, the inner wall activity that turns to the seat is provided with the connecting plate, the meshing groove has been seted up in the front of connecting plate, the outer wall activity in meshing groove is provided with the pinion rack, the fixed regulating plate that is provided with in back of pinion rack, one side activity of regulating plate is provided with the pivot, the top and the bottom of pivot are all fixed and are provided with spacing, the back of spacing is fixed plastic ring and the sucking disc of being provided with respectively.
According to a preferable technical scheme of the invention, through holes are formed in the front surfaces of the mounting plate and the fixing plate, and an observation window is fixedly arranged on the inner wall of each through hole.
As a preferred technical scheme of the present invention, the mounting plate is internally and fixedly provided with a reinforcing rib, the mounting plate and the back of the fixing plate are both fixedly provided with a bonding frame, and the back of the bonding frame is fixedly provided with a rubber layer.
As a preferred technical scheme of the invention, the shape and size of the attaching frame and the rubber layer are the same, the top of the attaching frame is in a vertical triangle shape, and the outer wall of the mounting cover is movably provided with a reinforcing rib.
As a preferred technical scheme of the invention, the outer wall of the filling port is movably provided with a sealing frame, and the inner wall of the filling port is movably provided with a sealing plug.
As a preferred technical solution of the present invention, the engaging block and the engaging groove are engaged, the mounting plate is movably provided with a fixing plate through the engaging block, and the outer wall of the expansion screw is movably provided with the mounting plate and the fixing plate, respectively.
As a preferred technical scheme of the invention, the number of the warning boxes is two, the two warning boxes are positioned on the same horizontal plane, and the illuminating lamp and the waterproof cover are positioned on the same horizontal plane.
As a preferable technical scheme of the invention, the connecting plate is movably provided with a fixing plate through a steering seat, the meshing groove and the toothed plate are in meshing connection, and the outer wall of the adjusting plate is movably arranged on the inner wall of the connecting plate.
As a preferred technical scheme of the invention, the shape and the size of the limiting frame and the shape and the size of the plastic ring are matched with each other, and the suckers are respectively and fixedly arranged at the upper half position and the lower half position of the central position of the back surface of the limiting frame.
As a preferred technical scheme of the invention, the vertical height of the mounting plate is smaller than that of the fixing plate, the shape and size of the mounting plate are fitted with those of the inner wall of the fixing plate, and the bottom of the fixing plate is fixedly provided with a limiting plate.
Compared with the prior art, the invention provides a connecting device for an underwater component mounting seam, which has the following beneficial effects:
1. this connecting device is sewed up in component installation under water, the hookup location between the connecting device laminating framework of being convenient for through setting up the laminating frame, and the rubber layer then can improve its airtight and buffer effect, the filling effect of reinforcing to the installation seam, and the installation cover can fully seal installation seam position, guarantee that the structure also can play a role for a long time under water, slow down the degree of corrosion, spacing frame and plastic ring can assist the fixed outer wall that sets up at the component under water of spacing frame, can strengthen its fixed ability through the sucking disc, ensure connecting device's normal performance.
2. This component erection joint connecting device under water, make mounting panel and fixed plate communicate through setting up the opening, the people of being convenient for observe its inside installation cover through the observation window, improve the maintenance efficiency to erection joint connecting device, and through setting up the fixed effect of the supplementary reinforcing mounting panel of strengthening rib, make mounting panel and fixed plate can carry out long-time placing under water, and laminating frame and rubber layer can assist erection joint connecting device to carry out spacing fixed to gap department, make the gap can obtain filling and airtight, promote the stress intensity of local structure.
3. This component installation seam connecting device under water is convenient for being connected of mounting panel and fixed plate through setting up the block that the block set up and block groove for there is not obvious gap between two structures, and the activity of inflation screw sets up supplementary spacing fixed plate and mounting panel, thereby makes the filling layer to the inside airtight space that forms of structure under suffering the extruded condition, prolongs its life.
4. This component erection joint connecting device under water can cover the fill opening at mounting panel top through setting up sealed frame for the supplementary spacing mounting panel of fixed plate, and guarantee that overall structure forms airtight space, reduce the erosion degree that outside rivers flow, and sealed end cap can be airtight to the fill opening, makes the erection joint position can not appear obvious loss and the problem of breaking because of moisture after being filled.
5. This component erection joint connecting device under water can exert the warning effect through the inside fixed light that sets up of its through setting up two warning boxes for installation joint connecting device can carry out luminous function under water, thereby is convenient for people see through the buckler under water and observes its maintenance, ensures component erection joint connecting device's stability can under water.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1 at A in accordance with the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 1 at B according to the present invention;
FIG. 4 is a schematic diagram of a mounting plate structure according to the present invention;
FIG. 5 is an internal cross-sectional view of the mounting plate structure of the present invention;
FIG. 6 is a schematic view of a fixing plate according to the present invention;
FIG. 7 is a schematic structural diagram of a warning box according to the present invention;
FIG. 8 is a schematic view of the adjustment plate structure according to the present invention.
In the figure: 1. mounting a plate; 2. a fill port; 3. mounting a cover; 4. a rubber ring; 5. a clamping block; 6. a clamping groove; 7. a fixing plate; 8. a through hole; 9. an expansion screw; 10. a filling layer; 11. a warning box; 12. an illuminating lamp; 13. a waterproof cover; 14. a steering seat; 15. a connecting plate; 16. an engagement groove; 17. a toothed plate; 18. an adjusting plate; 19. a rotating shaft; 20. a limiting frame; 21. a plastic ring; 22. a suction cup; 23. a port; 24. an observation window; 25. reinforcing ribs; 26. a fitting frame; 27. a rubber layer; 28. a seal holder; 29. sealing the plug; 30. and a limiting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the invention discloses a connecting device for an underwater component mounting seam, which comprises a mounting plate 1, wherein a filling port 2 is fixedly arranged at the top of the mounting plate 1, a mounting cover 3 is fixedly arranged at the bottom of the filling port 2, rubber rings 4 are fixedly arranged at two sides of the mounting cover 3, clamping blocks 5 are fixedly arranged at two sides of the front surface of the mounting plate 1, clamping grooves 6 are movably arranged on the outer walls of the clamping blocks 5, the clamping grooves 6 are arranged at the back surface of a fixing plate 7, a through hole 8 is arranged at the front surface of the fixing plate 7, expansion screws 9 are movably arranged on the inner walls of the through hole 8, filling layers 10 are fixedly arranged at the back surfaces of the mounting plate 1 and the fixing plate 7, a warning box 11 is fixedly arranged at the front surface of the fixing plate 7, a lighting lamp 12 is fixedly arranged inside the warning box 11, and a waterproof cover 13 is arranged at the front surface of the warning box 11, the front activity of fixed plate 7 is provided with and turns to seat 14, the inner wall activity that turns to seat 14 is provided with connecting plate 15, meshing groove 16 has been seted up in the front of connecting plate 15, the outer wall activity of meshing groove 16 is provided with pinion rack 17, the fixed regulating plate 18 that is provided with in back of pinion rack 17, one side activity of regulating plate 18 is provided with pivot 19, the top and the bottom of pivot 19 are all fixed and are provided with spacing frame 20, the back of spacing frame 20 is fixed respectively and is provided with plastic ring 21 and sucking disc 22.
Specifically, opening 23 has all been seted up in the front of mounting panel 1 and fixed plate 7, the fixed observation window 24 that is provided with of inner wall of opening 23.
In this embodiment, opening 23 makes mounting panel 1 and fixed plate 7 communicate, and the people of being convenient for observe its inside installation cover 3 through observation window 24, improves the maintenance efficiency to erection joint connecting device for the erection joint can obtain filling and firm, thereby strengthens its spacing fixed effect.
Specifically, the mounting plate 1 is fixedly provided with a reinforcing rib 25 inside, the mounting plate 1 and the fixing plate 7 are fixedly provided with a bonding frame 26 on the back, and a rubber layer 27 is fixedly provided on the back of the bonding frame 26.
In this embodiment, through setting up the fixed effect of the supplementary reinforcing mounting panel 1 of strengthening rib 25 for mounting panel 1 and fixed plate 7 can carry out long-time placing under water, guarantee that the connecting device effect can full play, and laminating frame 26 and rubber layer 27 can assist installation seam connecting device to carry out spacing fixed to gap department, make the gap can obtain filling and airtight, promote the stress strength of local structure.
Specifically, the shape and size of the fitting frame 26 and the rubber layer 27 are the same, the top of the fitting frame 26 is a vertical triangle, and the outer wall of the mounting cover 3 is movably provided with a reinforcing rib 25.
In this embodiment, the top shape is perpendicular triangle-shaped's laminating frame 26 the hookup location between the connecting device laminating framework of being convenient for, and laminating frame 26 and rubber layer 27 that the shape size is the same then can improve its airtight and buffer effect, the reinforcing is to the filling effect of erection joint, and the activity setting of installation cover 3 outer wall and strengthening rib 25 makes strengthening rib 25 can also assist spacing installation cover 3 when 1 is consolidated to the mounting panel, make installation cover 3 can fully seal the erection joint position, guarantee that the structure also can play a role for a long time under water, slow down the degree of corrosion.
Specifically, the outer wall of the filling port 2 is movably provided with a sealing frame 28, and the inner wall of the filling port 2 is movably provided with a sealing plug 29.
In this embodiment, seal carrier 28 can cover the fill opening 2 at mounting panel 1 top for spacing mounting panel 1 is assisted to fixed plate 7, and guarantees that overall structure forms airtight space, reduces the erosion degree that outside rivers flow, and sealed end cap 29 can be airtight to fill opening 2, makes the installation seam position can not appear obvious loss and the problem of breaking because of moisture after being filled.
Specifically, the clamping block 5 and the clamping groove 6 are arranged in a clamping manner, the mounting plate 1 is movably provided with a fixing plate 7 through the clamping block 5, and the outer wall of the expansion screw 9 is respectively movably provided with the mounting plate 1 and the fixing plate 7.
In this embodiment, the block 5 and the block groove 6 that the block set up are convenient for be connected of mounting panel 1 and fixed plate 7 for there is not obvious gap between two structures, and the activity of inflation screw 9 sets up supplementary spacing fixed plate 7 and mounting panel 1, thereby makes filling layer 10 to the inside confined space that forms of structure under suffering the extruded condition, prolongs its life.
Specifically, the quantity of warning box 11 is two, two warning boxes 11 all are located same horizontal plane, light 12 and buckler 13 all are located same horizontal plane.
In this embodiment, two warning boxes 11 that all are located the same horizontal plane can play the warning effect through its inside fixed light 12 that sets up for installation seam connecting device can give out light the function under water, thereby is convenient for people see through buckler 13 under water and observes it and maintain, ensures component installation seam connecting device's stability can under water.
Specifically, the connecting plate 15 is movably provided with a fixing plate 7 through a steering seat 14, the engaging groove 16 and the toothed plate 17 are in engaging connection, and the outer wall of the adjusting plate 18 is movably arranged on the inner wall of the connecting plate 15.
In this embodiment, the connecting plate 15 can adjust the inclination angle thereof by utilizing the movable arrangement of the steering seat 14, so that the connecting device is limited and fixed by the framework on the two sides of the mounting seam of the underwater component, the connecting device can be kept at a determined position, and the engagement groove 16 and the toothed plate 17 which are engaged and connected can enhance the adjusting capability of the structure, so that the connecting device can be suitable for mounting seams at different positions.
Specifically, the shape and size of the limiting frame 20 and the shape and size of the plastic ring 21 are matched with each other, and the suction cups 22 are respectively and fixedly arranged at the upper half position and the lower half position of the central position of the back surface of the limiting frame 20.
In this embodiment, the limiting frame 20 and the plastic ring 21, which are matched in shape and size, can assist the limiting frame 20 to be fixed on the outer wall of the underwater component, and the fixing capacity of the limiting frame is enhanced by the suction cup 22, so that the limiting frame 20 can provide a limiting and fixing effect for the whole structure, and the normal performance of the connecting device is ensured.
Specifically, the vertical height of mounting panel 1 is less than the vertical height of fixed plate 7, the shape size of the shape size laminating fixed plate 7 inner wall of mounting panel 1, the fixed limiting plate 30 that is provided with in bottom of fixed plate 7.
In this embodiment, the vertical height that mounting panel 1's vertical height is less than fixed plate 7 makes fixed plate 7 can fully laminate mounting panel 1 for the overall device forms airtight structure, prolongs its life, and limiting plate 30 can the spacing mounting panel 1 of auxiliary fixing plate 7, makes mounting panel 1 can not take place the obscission with fixed plate 7, and fixed spacing ability is strong.
The working principle and the using process of the invention are as follows: when in use, firstly, the integral structure is placed at the connecting position of the mounting seam of the underwater component through the bonding frame 26 and the rubber layer 27 fixedly arranged on the back surface of the mounting plate 1, so that the bonding frame 26 can be bonded with a required filling position, then a filling agent is filled into the mounting cover 3 through the filling port 2, so that the gap of the mounting seam is filled, the mounting cover 3 can be bonded with a closed filling position, after the filling is finished, the sealing plug 29 is plugged into the inner wall of the filling port 2, the fixing plate 7 is bonded with the mounting plate 1 through the clamping arrangement of the clamping block 5 and the clamping groove 6, so that the through holes 23 of the two structures can be positioned on the same horizontal plane, then the integral connecting device can be fixedly arranged at the connecting position of the underwater component by utilizing the movable arrangement of the through hole 8 and the expansion screw 9, and the connecting plate 15 can be freely arranged by adjusting the steering seat 14, so that the limiting frame 20 can be extruded and contacted with the outer wall of the underwater component, and spacing 20 can assist fixedly through sucking disc 22, strengthens the peripheral atress degree of connecting device, and the effect of sharing pressure is strong to in routine maintenance, people's accessible warns box 11 and accelerates to observe maintenance efficiency, ensures the steadiness of key position, thereby strengthens the firm ability of component overall structure under water, and the service life is long.
In conclusion, the underwater component mounting seam connecting device is convenient for the connecting position between the connecting device mounting frameworks by arranging the mounting frame 26, the rubber layer 27 can improve the sealing and buffering effects of the rubber layer, the filling effect on the mounting seams is enhanced, the mounting cover 3 can fully seal the mounting seams, the structure can play a role for a long time underwater, the corrosion degree is reduced, the limiting frame 20 and the plastic ring 21 can assist the limiting frame 20 to be fixedly arranged on the outer wall of the underwater component, the fixing capacity of the limiting frame 20 can be enhanced through the sucker 22, and the normal play of the connecting device is ensured.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides an underwater component installation seam connecting device, includes mounting panel (1), its characterized in that: the top of the mounting plate (1) is fixedly provided with a filling opening (2), the bottom of the filling opening (2) is fixedly provided with a mounting cover (3), two sides of the mounting cover (3) are fixedly provided with rubber rings (4), two positive sides of the mounting plate (1) are fixedly provided with clamping blocks (5), the outer wall of each clamping block (5) is movably provided with a clamping groove (6), the clamping groove (6) is arranged at the back of the fixing plate (7), the front of the fixing plate (7) is provided with a through hole (8), the inner wall of each through hole (8) is movably provided with an expansion screw (9), the back of the mounting plate (1) and the back of the fixing plate (7) are fixedly provided with a filling layer (10), the front of the fixing plate (7) is fixedly provided with a warning box (11), and the inside of the warning box (11) is fixedly provided with a lighting lamp (12), the front surface of the warning box (11) is provided with a waterproof cover (13);
the front activity of fixed plate (7) is provided with and turns to seat (14), the inner wall activity that turns to seat (14) is provided with connecting plate (15), meshing groove (16) have been seted up in the front of connecting plate (15), the outer wall activity of meshing groove (16) is provided with pinion rack (17), the fixed regulating plate (18) that is provided with in back of pinion rack (17), one side activity of regulating plate (18) is provided with pivot (19), the top and the bottom of pivot (19) are all fixed and are provided with spacing frame (20), the back of spacing frame (20) is fixed respectively and is provided with plastic ring (21) and sucking disc (22).
2. The underwater-member installation-seam-connecting device as claimed in claim 1, wherein: opening (23) have all been seted up in the front of mounting panel (1) and fixed plate (7), the inner wall of opening (23) is fixed and is provided with observation window (24).
3. The underwater-member installation-seam-connecting device as claimed in claim 1, wherein: the fixed strengthening rib (25) that is provided with in inside of mounting panel (1), the back of mounting panel (1) and fixed plate (7) is all fixed and is provided with laminating frame (26), the fixed rubber layer (27) that is provided with in back of laminating frame (26).
4. A subsea component mounting seam connection as claimed in claim 3, wherein: the shape and size of the attaching frame (26) and the rubber layer (27) are the same, the top of the attaching frame (26) is in a vertical triangle shape, and reinforcing ribs (25) are movably arranged on the outer wall of the mounting cover (3).
5. The underwater-member installation-seam-connecting device as claimed in claim 1, wherein: the outer wall of the filling port (2) is movably provided with a sealing frame (28), and the inner wall of the filling port (2) is movably provided with a sealing plug (29).
6. The underwater-member installation-seam-connecting device as claimed in claim 1, wherein: the clamping block (5) and the clamping groove (6) are arranged in a clamping mode, the mounting plate (1) is movably provided with a fixing plate (7) through the clamping block (5), and the outer wall of the expansion screw (9) is movably provided with the mounting plate (1) and the fixing plate (7) respectively.
7. The underwater-member installation-seam-connecting device as claimed in claim 1, wherein: the quantity of warning box (11) is two, two warning box (11) all are located same horizontal plane, light (12) and buckler (13) all are located same horizontal plane.
8. The underwater-member installation-seam-connecting device as claimed in claim 1, wherein: the connecting plate (15) is movably provided with a fixing plate (7) through a steering seat (14), the meshing groove (16) and the toothed plate (17) are in meshing connection, and the outer wall of the adjusting plate (18) is movably arranged on the inner wall of the connecting plate (15).
9. The underwater-member installation-seam-connecting device as claimed in claim 1, wherein: the size and the shape of the limiting frame (20) are matched with the size and the shape of the plastic ring (21), and the suckers (22) are fixedly arranged at the upper half position and the lower half position of the central position of the back of the limiting frame (20) respectively.
10. The underwater-member installation-seam-connecting device as claimed in claim 1, wherein: the vertical height of mounting panel (1) is less than the vertical height of fixed plate (7), the shape size of the shape size laminating fixed plate (7) inner wall of mounting panel (1), the fixed limiting plate (30) that is provided with in bottom of fixed plate (7).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111159337.3A CN113789728B (en) | 2021-09-30 | 2021-09-30 | Connecting device for underwater component mounting seam |
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|---|---|---|---|
| CN202111159337.3A CN113789728B (en) | 2021-09-30 | 2021-09-30 | Connecting device for underwater component mounting seam |
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| CN113789728B CN113789728B (en) | 2023-03-14 |
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| CN111042049A (en) * | 2019-12-30 | 2020-04-21 | 中建港航局集团有限公司 | Rainwater pipe construction process |
| CN111254984A (en) * | 2020-01-20 | 2020-06-09 | 中交第三航务工程局有限公司 | Pipe joint connecting structure of underwater cable-stayed suspension tunnel |
| CN111648312A (en) * | 2020-05-29 | 2020-09-11 | 中国葛洲坝集团第一工程有限公司 | Construction method for maintaining connecting joint of aqueduct without water interruption |
| CN212896179U (en) * | 2020-08-19 | 2021-04-06 | 河南省水利勘测设计研究有限公司 | Drainage stopping structure for transverse joint between adjacent seepage-proof panels on near-water surface of concrete gravity dam |
| CN112195860A (en) * | 2020-09-24 | 2021-01-08 | 中国市政工程西北设计研究院有限公司 | Flood control dykes and dams flood season leaking stoppage reinforced structure |
| CN112502033A (en) * | 2020-11-27 | 2021-03-16 | 山东交通学院 | Underwater robot |
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| CN113789728B (en) | 2023-03-14 |
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