Flange welding seat plate for ship
By designing the installation, splicing, and insertion mechanism for marine flange welding base plates, the problem of loose screws in high-temperature environments was solved, achieving tightness and reliability of flange connections and ensuring stable system operation.
Patent Information
- Application Number
- CN202423301204.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2034-12-31
AI Technical Summary
The fixing screws of the existing flange welding seat plate are prone to loosening due to thermal expansion and contraction in high-temperature environments, resulting in an unstable connection.
A marine flange welding base plate was designed, comprising a first welding base plate, a connecting pipe, and a second welding base plate. Through an installation, splicing, and insertion mechanism, and utilizing structures such as threaded holes, splicing rings, bolt anti-loosening sleeves, and cylindrical springs, the fixing screws are engaged and limited to prevent loosening.
It improves the tightness and reliability of flange connections, ensures stable operation in high-temperature environments, and prevents screws from loosening due to thermal expansion and contraction.
Smart Images

Figure CN223814447U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to welding seat plate technical field, especially a marine flange welding seat plate. BACKGROUND
[0002] The seat plate is used for fixing the connecting accessories of the pipeline accessories or the flange of the pipe, and its common forms include a flange seat plate and an internal thread seat plate, the flange welding single-face seat plate is mainly installed on the top, sidewall and bottom of cabin and cabinet, and is used as the inlet and outlet of the cabin and cabinet, the valve, accessory or pipe can be directly installed on the single-face seat plate, and the single-face seat plate is suitable for seawater, fresh water, oil, air and steam pipeline below 300 DEG C, and the marine flange welding seat plate is welded on the cabin wall or the non-pressure bulkhead outside the hull, and is used for connecting the pipeline with a diameter greater than DN32, and the marine flange welding seat plate is widely applied to the pipeline of the ship.
[0003] The existing flange welding seat plate is an assembly plate for flange welding, and is convenient for connecting the flange and the pipeline, but when the seat plate is connected with the pipeline accessory with high temperature, the temperature of the seat plate will be high, so that the fixing screw in the seat plate will be loose due to thermal expansion and contraction, and the fixing is not firm.
[0004] Therefore, it is urgent to provide a marine flange welding seat plate to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model wants to overcome the above-mentioned prior art's shortcoming, provide a marine flange welding seat plate.
[0006] In order to solve the above technical problems, one of the technical schemes adopted by the utility model is to provide a marine flange welding seat plate, which comprises a first welding seat plate, a connecting pipe is fixedly installed in the first welding seat plate, a second welding seat plate is sleeved on the outer surface of the connecting pipe, an installation mechanism is arranged in the first welding seat plate, the second welding seat plate and the connecting pipe, a splicing mechanism is arranged between the first welding seat plate and the second welding seat plate, a connecting mechanism is arranged in the splicing mechanism, and a plug-in mechanism is arranged in the connecting mechanism.
[0007] The utility model is further provided as follows: the installation mechanism comprises a first threaded hole formed in the first welding seat plate, a second threaded hole is formed in the second welding seat plate, a limiting block is fixedly installed on the outer surface of the connecting pipe, and the outer surface of the limiting block is embeddedly installed with the bottom end of the second welding seat plate.
[0008] Through the above technical scheme, the first welding seat plate is connected with the pipeline through the first threaded hole, the second welding seat plate is connected with the pipeline through the second threaded hole, and the limiting block is used for limiting and installing the second welding seat plate.
[0009] The utility model further sets up: the splicing mechanism includes the first splicing ring of setting in the second welding seat board bottom, the first splicing ring is provided with eight, the inside rotation of first splicing ring is installed with first bolt anti-loose cover.
[0010] Through the above technical scheme, the first splicing ring is abutted to the fixed screw installed on the second welding seat plate through the first bolt anti-loose cover.
[0011] The utility model further sets up: the top of first welding seat plate is provided with second splicing ring, the inside rotation of second splicing ring is installed with second bolt anti-loose cover, and the second bolt anti-loose cover is closely combined with first welding seat plate.
[0012] Through the above technical scheme, the second splicing ring is abutted to the fixed screw installed on the first welding seat plate through the second bolt anti-loose cover.
[0013] The utility model further sets up: the connecting mechanism includes the fixed half circle ring fixed in the one side of first splicing ring and second splicing ring respectively, and the one side of two fixed half circle rings is fixedly installed with the shell.
[0014] Through the above technical scheme, the opposite side of first splicing ring and second splicing ring is fixedly installed with the fixed half circle ring.
[0015] The utility model further sets up: the abutment of connecting column between first splicing ring and second splicing ring, the both ends of connecting column are fixedly installed with the connecting half circle ring, and the outer surface of two connecting half circle rings is respectively rotationally embedded with the outer surface of two fixed half circle rings.
[0016] Through the above technical scheme, the connecting column is embedded with two fixed half circle rings through two connecting half circle rings.
[0017] The utility model further sets up: the plug-in mechanism includes the cylindrical spring fixed in the inner wall of shell, one end of the other end of cylindrical spring is fixedly installed and extends to the plug-in rod in the cylindrical spring, the other end of plug-in rod is fixedly installed and one end penetrates and extends to the pull rod outside shell.
[0018] Through the above technical scheme, the cylindrical spring drives plug-in rod to fix connecting half circle ring and fixed half circle ring, and the pull rod compresses cylindrical spring.
[0019] The utility model has the advantages as follows:
[0020] 1. The utility model discloses a splicing mechanism and connecting mechanism can be abutted to the fixed screw on the welding seat plate, prevent its loose because of thermal expansion and cold shrink, effectively improve the compactness and reliability of flange connection, ensure that the system still can work stably under high temperature environment.
[0021] 2. The utility model discloses a mounting mechanism and plug -in mechanism are equipped with, and the mounting mechanism can be positioned installation to second welding seat board, prevents second welding seat board and rotates through connecting pipe, and the plug -in mechanism can be fixed to connecting semicircle ring and fixed semicircle ring, and then fixes a plurality of splicing rings, prevents bolt anti -loose cover and fixed screw and separates. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is the perspective drawing of the utility model;
[0023] Figure 2 It is the mounting mechanism structure diagram of the utility model;
[0024] Figure 3 It is the splicing mechanism structure diagram of the utility model;
[0025] Figure 4 It is the connecting mechanism structure diagram of the utility model;
[0026] Figure 5 It is the plug -in mechanism structure diagram of the utility model.
[0027] In the drawing: 1, first welding seat board;2, connecting pipe;3, second welding seat board;4, mounting mechanism;401, first threaded hole;402, second threaded hole;403, limiting block;5, splicing mechanism;501, first splicing ring;502, second splicing ring;503, second bolt anti -loose cover;6, connecting mechanism;601, fixed semicircle ring;602, shell;603, connecting column;604, connecting semicircle ring;7, plug -in mechanism;701, cylindrical spring;702, plug -in rod;703, pull rod. DETAILED DESCRIPTION
[0028] The utility model discloses a preferable embodiment of the utility model is elaborated in the following with the accompanying drawing, so that the advantage and the feature of the utility model can be more easily understood by the person skilled in the art, and the protection scope of the utility model makes more clear and definite definition.
[0029] Please refer to Figures 1-5The utility model provides a marine flange welding seat plate, including first welding seat plate 1, the inside fixed mounting of first welding seat plate 1 has connecting pipe 2, the outer surface of connecting pipe 2 is equipped with second welding seat plate 3, the inside of first welding seat plate 1, connecting pipe 2 and second welding seat plate 3 is provided with installation mechanism 4, installation mechanism 4 includes the first threaded hole 401 of being opened in the inside of first welding seat plate 1, the inside of second welding seat plate 3 is equipped with the second threaded hole 402, the outer surface of connecting pipe 2 is fixedly installed with the limiting block 403, the outer surface of limiting block 403 is embedded with the bottom end of second welding seat plate 3, and first welding seat plate 1 is connected with pipeline through first threaded hole 401, and second welding seat plate 3 is connected with pipeline through second threaded hole 402, and connecting pipe 2 is positioned and installed second welding seat plate 3 through limiting block 403, so that welding seat plate and pipeline accessory are stably connected.
[0030] As Figure 3 and Figure 4 shown, first welding seat plate 1 and second welding seat plate 3 are provided with splicing mechanism 5, and splicing mechanism 5 includes the first splicing ring 501 provided at the bottom end of second welding seat plate 3, the first splicing ring 501 is provided with eight, the first bolt anti-loosening sleeve 502 is rotatably installed in the inside of first splicing ring 501, the top end of first welding seat plate 1 is provided with the second splicing ring 503, the second splicing ring 503 is rotatably installed with the second bolt anti-loosening sleeve 504 in the inside, and the second bolt anti-loosening sleeve 504 is closely attached to first welding seat plate 1, the first splicing ring 501 abuts against the fixed screw installed on second welding seat plate 3 through the first bolt anti-loosening sleeve 502, and the second splicing ring 503 abuts against the fixed screw installed on first welding seat plate 1 through the second bolt anti-loosening sleeve 504, to prevent the fixed screw from loosening due to thermal expansion and contraction, effectively improve the tightness and reliability of flange connection, and ensure that the system can still work stably under high temperature environment.
[0031] As Figure 4 and Figure 5 shown, the inside of splicing mechanism 5 is provided with connecting mechanism 6, and connecting mechanism 6 includes the fixed half circular ring 601 fixed to one side of first splicing ring 501 and second splicing ring 503 respectively, the outer surface of the two fixed half circular rings 601 is fixedly installed with the shell 602, the abutting connection between first splicing ring 501 and second splicing ring 503 has the connecting column 603, the two ends of connecting column 603 are fixedly installed with the connecting half circular ring 604, the outer surfaces of the two connecting half circular rings 604 are rotatably embedded and connected with the outer surfaces of the two fixed half circular rings 601 respectively, the connecting column 603 is embedded and connected with the two fixed half circular rings 601 through the two connecting half circular rings 604 respectively, and the adjacent two first splicing rings 501 and second splicing rings 503 are spliced and fixed respectively, and the overall connection improves the reliability and durability of the device.
[0032] As Figure 5As shown, the inside of the connecting mechanism 6 is provided with a plug-in mechanism 7, which comprises a cylindrical spring 701 fixed to the inner wall of the shell 602, the other end of the cylindrical spring 701 is fixedly installed with a plug-in rod 702 which penetrates one end and extends to the inside of the cylindrical spring 701, the other end of the plug-in rod 702 is fixedly installed with a pull rod 703 which penetrates one end and extends to the outside of the shell 602, the cylindrical spring 701 drives the plug-in rod 702 to fix the connecting half ring 604 and the fixed half ring 601, the pull rod 703 compresses the cylindrical spring 701 to avoid loosening due to vibration or temperature change.
[0033] In use, the connecting pipe 2 is limitedly installed on the second welding seat plate 3 through the limiting block 403, the second welding seat plate 3 is welded and fixed with the connecting pipe 2, the first welding seat plate 1 is connected with the pipeline through the first threaded hole 401, the second welding seat plate 3 is connected with the pipeline through the second threaded hole 402, the first splicing ring 501 abuts against the fixing screw installed on the second welding seat plate 3 through the first bolt anti-loosening sleeve 502, the second splicing ring 503 abuts against the fixing screw installed on the first welding seat plate 1 through the second bolt anti-loosening sleeve 504, the connecting column 603 is embeddedly connected with the two fixed half rings 601 through the two connecting half rings 604, respectively splicing and fixing the adjacent first splicing ring 501 and the second splicing ring 503, the cylindrical spring 701 drives the plug-in rod 702 to fix the connecting half ring 604 and the fixed half ring 601, the cylindrical spring 701 can be compressed by pulling the pull rod 703 with hands, and then the plug-in rod 702 is separated from the connecting half ring 604.
[0034] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.
Claims
1. A welding pad for a marine flange, comprising a first welding pad (1), characterized in that: The inside of the first welding seat plate (1) is fixedly provided with a connecting pipe (2), the outer surface of the connecting pipe (2) is sleeved with a second welding seat plate (3), the inside of the first welding seat plate (1), the connecting pipe (2) and the second welding seat plate (3) is provided with a mounting mechanism (4), the first welding seat plate (1) and the second welding seat plate (3) are provided with a splicing mechanism (5), the inside of the splicing mechanism (5) is provided with a connecting mechanism (6), and the inside of the connecting mechanism (6) is provided with a plug-in mechanism (7).
2. A welding pad for a marine flange according to claim 1, characterized in that: The mounting mechanism (4) comprises a first threaded hole (401) formed in the inside of the first welding seat plate (1), a second threaded hole (402) formed in the inside of the second welding seat plate (3), and a limiting block (403) fixedly installed on the outer surface of the connecting pipe (2), and the outer surface of the limiting block (403) is embeddedly installed with the bottom end of the second welding seat plate (3).
3. A welding pad for a marine flange according to claim 2, characterized in that: The splicing mechanism (5) comprises a first splicing ring (501) arranged at the bottom end of the second welding seat plate (3), the first splicing ring (501) is provided with eight, and a first bolt anti-loosening sleeve (502) is rotatably installed in the inside of the first splicing ring (501).
4. A welding pad for a marine flange according to claim 3, characterized in that: The top end of the first welding seat plate (1) is provided with a second splicing ring (503), the inside of the second splicing ring (503) is rotatably installed with a second bolt anti-loosening sleeve (504), and the second bolt anti-loosening sleeve (504) is tightly combined with the first welding seat plate (1).
5. A welding pad for a marine flange according to claim 4, characterised in that: The connecting mechanism (6) comprises a fixed half circular ring (601) fixed on one side of the first splicing ring (501) and the second splicing ring (503) respectively, and the outer surface of the two fixed half circular rings (601) is rotatably embeddedly connected with the outer surface of the two fixed half circular rings (601).
6. A welding pad for a marine flange according to claim 5, characterized in that: The first splicing ring (501) and the second splicing ring (503) are abutted with a connecting column (603), and the two ends of the connecting column (603) are fixedly installed with a connecting half circular ring (604), and the outer surfaces of the two connecting half circular rings (604) are rotatably embeddedly connected with the outer surfaces of the two fixed half circular rings (601).
7. A welding pad for a marine flange according to claim 6, characterized in that: The plug-in mechanism (7) comprises a cylindrical spring (701) fixed to the inner wall of the shell (602), one end of the cylindrical spring (701) is fixedly installed with a plug-in rod (702) extending into the inside of the cylindrical spring (701), and the other end of the plug-in rod (702) is fixedly installed with a pull rod (703) extending outside the shell (602).