CN110722500A - Disassembly and assembly tool and disassembly and assembly method for flange gasket of ship pipe system butt joint pipe - Google Patents
Disassembly and assembly tool and disassembly and assembly method for flange gasket of ship pipe system butt joint pipe Download PDFInfo
- Publication number
- CN110722500A CN110722500A CN201910992905.4A CN201910992905A CN110722500A CN 110722500 A CN110722500 A CN 110722500A CN 201910992905 A CN201910992905 A CN 201910992905A CN 110722500 A CN110722500 A CN 110722500A
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- pipe
- stud
- shaped
- butt joint
- flange
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The invention relates to the technical field of ship piping assembly and disassembly, and discloses a disassembly and assembly tool and a disassembly and assembly method for a flange gasket of a ship piping butt joint pipe. The disassembly and assembly tool comprises a pair of U-shaped pipe clamp assemblies, a stud and a jacking nut, wherein the stud is connected between the pair of U-shaped pipe clamp assemblies, the jacking nut is connected to the two ends of the stud respectively, each U-shaped pipe clamp assembly comprises a U-shaped bolt, a pressing plate and a pressing nut which are connected to the U-shaped bolts, and a supporting block is arranged on the pressing plate, stud mounting holes are formed in the supporting block, two ends of each stud penetrate into the stud mounting holes respectively during operation, and the jacking nut jacks the supporting block. The invention facilitates the disassembly and assembly of the flange gasket of the ship pipe system butt joint pipe and solves the problem that the flange gasket cannot be disassembled or is extremely difficult to disassemble and assemble under the condition of pipe system flat flange butt joint.
Description
Technical Field
The invention relates to the technical field of ship piping assembly and disassembly, in particular to a disassembly and assembly tool and a disassembly and assembly method for a flange gasket of a ship piping butt joint pipe.
Background
During ship repair, one section of pipeline in a pipeline system is replaced, butt flanges are arranged on the pipeline system, a mattress (flange gasket) is arranged between the butt flanges, and the butt flanges need to be unfolded by external force during disassembly and assembly so as to be disassembled or assembled into the flange gasket.
In the prior art, the dismounting method of the flange gasket of the butt joint pipe of the ship pipe system is to use a file-type tool to prop open the flange or use a gourd-shaped body to pull the pipe body, wherein many operations are rough construction and irregular construction, which is often very laborious, the flange gasket is difficult to put in or take out, and the efficiency is extremely low. Especially for the butt joint pipe flange is the condition of flat flange, the flange gasket between its butt joint flange is less than 1 millimeter in thickness under the tight compression state, and this 1 millimeter is the clearance after installing in place between the butt joint flange, therefore does not use conventional file class instrument to make the flange strut from the flange clearance at all, and the welding shrinkage allowance of flange both sides is very little after the pipe of renewing, is difficult to put into the flange gasket.
In addition, the field piping system needs to support a gap between the butting flanges when residual oil is discharged, and a conventional hoist pulling or file supporting mode is adopted, so that certain operation difficulty exists.
Disclosure of Invention
In order to solve the problems, the invention provides a disassembling tool and a disassembling method for a flange gasket of a ship pipe system butt joint pipe, and aims to facilitate the disassembling of the flange gasket of the ship pipe system butt joint pipe. The specific technical scheme is as follows:
the utility model provides a dismouting frock of ship piping butt joint pipe flange gasket, includes a pair of U type pipe clamp subassembly and connects stud between a pair of U type pipe clamp subassembly, connect respectively the top tight nut at stud both ends, U type pipe clamp subassembly includes U type bolt, connects the clamp plate and the gland nut of U type bolt, set up supporting shoe on the clamp plate, be provided with the double-screw bolt mounting hole on the supporting shoe, the during operation the both ends of stud penetrate respectively in the double-screw bolt mounting hole, just top tight nut withstands the supporting shoe.
The working principle of the dismounting tool is as follows: two U-shaped bolts, two pressing plates, a stud and two supporting blocks which are welded on the pressing plates and used as supports are utilized. In the use, utilize clamp plate and two U type bolts to embrace the body to the flange both sides of managing respectively, stud's both ends penetrate in the stud mounting hole of supporting shoe, connect the puller nut at stud both ends and withstand the supporting shoe, use the spanner to pull the puller nut and can make the flange of managing to strut along the axial of body, it can to put into or dismantle to enlarge the flange gasket when the clearance between the flange of managing to the flange.
Above-mentioned dismouting frock compares with the dismouting mode of traditional boats and ships piping butt joint pipe flange gasket, its convenient to use, install and remove efficiently, and solved the difficult problem that the flange gasket can't or the dismouting is extremely difficult under the flat flange butt joint condition of piping.
As one of the preferable schemes of the U-shaped bolt structure, the U-shaped bolt is formed by bending round steel, and the two ends of the round steel are processed with external threads.
As a second preferable mode of the U-shaped bolt structure of the present invention, the U-shaped bolt is formed by bending square steel, and both ends of the square steel are provided with external threads.
The U-shaped bolt formed by bending the square steel has a larger contact area with the pipe body, so that the holding friction force of the U-shaped bolt to the pipe body is increased.
Preferably, both external threads of the U-bolt are formed before the bending.
Preferably, a first mounting groove is formed in one surface, in contact with the pipe body, of the U-shaped bolt, a first brake shoe is glued in the first mounting groove, and the thickness of the first brake shoe is larger than the depth of the first mounting groove.
Preferably, a second mounting groove is formed in one surface, in contact with the tube body, of the pressing plate, a second brake shoe is glued in the second mounting groove, and the thickness of the second brake shoe is larger than the depth of the second mounting groove.
The installation groove is formed in the U-shaped bolt and the pressing plate, the brake shoe is glued in the installation groove, friction force of the U-shaped pipe clamp assembly for clamping the pipe body is further increased, and clamping and dismounting are more reliable.
A dismounting method for a dismounting tool for a flange gasket of a ship pipe system butt joint pipe comprises the following steps:
(1) pre-installing the stud and the jacking nut: two ends of the double-end stud are respectively provided with a jacking nut, and the jacking nuts are screwed to the bottom;
(2) preassembling a U-shaped pipe clamp assembly: a pair of U-shaped pipe clamp assemblies are respectively preassembled on pipe bodies on two sides of the butt joint pipe flange, one U-shaped pipe clamp assembly is fixed with the pipe body, the other U-shaped pipe clamp assembly is loosened with the pipe body and can move, and the inner opening distance of the pair of U-shaped pipe clamp assemblies is larger than the length of the double-end stud;
(3) installing a stud: one end of a double-end stud with a jacking nut at the two ends is inserted into a stud mounting hole arranged on a supporting block of one U-shaped pipe clamp assembly, the other loosened U-shaped pipe clamp assembly is moved to enable the other end of the double-end stud to be inserted into the stud mounting hole arranged on the supporting block of the loosened U-shaped pipe clamp assembly, and then the loosened U-shaped pipe clamp assembly is fixed with the pipe body;
(4) opening the butt joint pipe flange: respectively adjusting the jacking nuts at the two ends of the stud by using a spanner, so that the jacking nuts respectively prop against the supporting blocks on the pair of U-shaped pipe clamp assemblies, and the abutting pipe flanges are spread;
(5) dismounting a flange gasket: and (3) removing the flange gasket between the flanges of the butt joint pipes or installing the flange gasket between the flanges of the butt joint pipes.
The invention has the beneficial effects that:
first, compared with the traditional dismounting method of the flange gasket of the ship pipe system butt joint pipe, the dismounting tool and the dismounting method of the flange gasket of the ship pipe system butt joint pipe have the advantages of convenient use and high dismounting efficiency, and solve the problem that the flange gasket cannot be dismounted or is extremely difficult to dismount under the butt joint condition of pipe system flat flanges.
Secondly, according to the assembling and disassembling tool and the assembling and disassembling method for the flange gasket of the ship pipe system butt joint pipe, the U-shaped bolt formed by bending square steel is adopted, the contact area of the U-shaped bolt and the pipe body is large, and therefore the holding friction force of the U-shaped bolt on the pipe body is increased.
Thirdly, according to the assembling and disassembling tool and the assembling and disassembling method for the flange gasket of the ship pipe system butt joint pipe, the U-shaped bolt and the pressing plate are provided with the installation grooves, and the brake linings are glued in the installation grooves, so that the friction force of the U-shaped pipe clamp assembly for clamping the pipe body is further increased, and the clamping and the assembling and disassembling are more reliable.
Drawings
FIG. 1 is a schematic structural diagram of a tool for disassembling and assembling flange gaskets of a ship pipe system butt joint pipe according to the invention;
FIG. 2 is a schematic structural view (left side view) of the U-clamp assembly of FIG. 1.
In the figure: 1. u type pipe clamp subassembly, 2, stud, 3, puller nut, 4, U type bolt, 5, clamp plate, 6, gland nut, 7, supporting shoe, 8, first mounting groove, 9, first brake shoe, 10, second mounting groove, 11, second brake shoe, 12, body, 13, flange, 14, flange gasket, 15, stud mounting hole.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1:
fig. 1 to 2 show an embodiment of a tool for dismounting a flange gasket of a ship pipe system butt joint pipe according to the present invention, which includes a pair of U-shaped pipe clamp assemblies 1, a stud 2 connected between the pair of U-shaped pipe clamp assemblies 1, and a tightening nut 3 respectively connected to two ends of the stud 2, where the U-shaped pipe clamp assemblies 1 include U-shaped bolts 4, a pressing plate 5 and a tightening nut 6 connected to the U-shaped bolts 4, and a supporting block 7 disposed on the pressing plate 6, where stud mounting holes 15 are disposed on the supporting block 7, two ends of the stud 2 respectively penetrate into the stud mounting holes 15 during operation, and the tightening nut 3 presses against the supporting block 7.
The working principle of the dismounting tool is as follows: two U-shaped bolts 4, two pressing plates 5, a stud 2 and two supporting blocks 7 welded on the pressing plates as supports are utilized. In the use, utilize clamp plate 5 and two U type bolts 4 to embrace respectively the body 12 to the flange both sides of taking over, stud 2's both ends penetrate in stud mounting hole 15 of supporting shoe 7, connect and withstand nut 3 at stud 2 both ends withstands supporting shoe 7, use the spanner to pull and hold nut 7 and can make and strut along the axial of body 12 to take over flange 13, it can to put into or dismantle to enlarge flange gasket 14 when the clearance between taking over flange 13.
Above-mentioned dismouting frock compares with the dismouting mode of traditional boats and ships piping butt joint pipe flange gasket, its convenient to use, install and remove efficiently, and solved the difficult problem that the flange gasket can't or the dismouting is extremely difficult under the flat flange butt joint condition of piping.
As one of preferable schemes of the U-shaped bolt structure in this embodiment, the U-shaped bolt 4 is formed by bending round steel, and both ends of the round steel are processed with external threads.
As a second preferable mode of the U-shaped bolt structure in the present embodiment, the U-shaped bolt 4 is formed by bending square steel, and both ends of the square steel are provided with external threads.
The contact area between the U-shaped bolt 4 bent from square steel and the pipe body 12 is large, so that the holding friction force of the U-shaped bolt 4 to the pipe body 12 is increased.
Preferably, the two external threads of the U-bolt 4 are formed before the bending.
Preferably, a first mounting groove 8 is formed in one surface, which is in contact with the pipe body 12, of the U-shaped bolt 4, a first brake shoe 9 is glued in the first mounting groove 8, and the thickness of the first brake shoe 9 is larger than the depth of the first mounting groove 8.
Preferably, a second mounting groove 10 is formed in one surface, which is in contact with the tube body 12, of the pressing plate 5, a second brake shoe 11 is glued in the second mounting groove 10, and the thickness of the second brake shoe 11 is greater than the depth of the second mounting groove 10.
The installation grooves are formed in the U-shaped bolts 4 and the pressing plates 5, the brake linings are glued in the installation grooves, friction force of the U-shaped pipe clamp assembly 1 for clamping the pipe body 12 is further increased, and clamping and dismounting are more reliable.
Example 2:
a dismounting method of a dismounting tool for a flange gasket of a ship pipe system butt joint pipe in embodiment 1 comprises the following steps:
(1) the stud 2 and the puller nut 3 are preassembled: two ends of the stud 2 are respectively provided with a jacking nut 3, and the jacking nuts 3 are screwed to the bottom;
(2) preassembling a U-shaped pipe clamp assembly: a pair of U-shaped pipe clamp assemblies 1 are respectively preassembled on pipe bodies 12 on two sides of a butt joint pipe flange 13, one U-shaped pipe clamp assembly 1 is fixed with the pipe body 12, the other U-shaped pipe clamp assembly 1 is loosened with the pipe body 12 and can move, and the inner opening distance of the pair of U-shaped pipe clamp assemblies 1 is larger than the length of the double-end stud 2;
(3) and (3) installing the stud 2: one end of a double-end stud 2 with a jacking nut 3 at the two ends is inserted into a stud mounting hole 15 arranged on a supporting block 7 of one U-shaped pipe clamp assembly 1, the other loosened U-shaped pipe clamp assembly 1 is moved so that the other end of the double-end stud 2 is inserted into the stud mounting hole 15 arranged on the supporting block 7 of the loosened U-shaped pipe clamp assembly 1, and then the loosened U-shaped pipe clamp assembly 1 and a pipe body 12 are fixed;
(4) and (3) opening the butt joint pipe flange: adjusting the jacking nuts 3 at two ends of the stud 2 respectively by using a wrench, so that the jacking nuts 3 respectively jack against the supporting blocks 7 on the pair of U-shaped pipe clamp assemblies 1, and the butt joint pipe flanges 13 are opened;
(5) disassembling and assembling the flange gasket 14: the flange gasket 14 between the butt pipe flanges 13 is removed or the flange gasket 14 is fitted between the butt pipe flanges 13.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a dismouting frock of boats and ships piping butt joint pipe flange gasket which characterized in that, includes a pair of U type pipe clamp subassembly and connects stud between a pair of U type pipe clamp subassembly, connect respectively the top tight nut at stud both ends, U type pipe clamp subassembly includes U type bolt, connects the clamp plate and the gland nut of U type bolt, set up supporting shoe on the clamp plate, be provided with the stud mounting hole on the supporting shoe, the during operation stud's both ends penetrate respectively in the stud mounting hole, just top tight nut withstands the supporting shoe.
2. The tool for dismounting and mounting a flange gasket of a ship pipe system butt joint pipe according to claim 1, wherein the U-shaped bolt is formed by bending round steel, and external threads are processed at two ends of the round steel.
3. The tool for disassembling and assembling flange gaskets of ship pipe systems according to claim 1, wherein the U-shaped bolts are formed by bending square steel, and external threads are machined at two ends of the square steel.
4. The tool for dismounting and mounting the flange gasket of the ship pipe joint according to claim 2 or 3, wherein the external threads at two ends of the U-shaped bolt are formed before the bending.
5. The tool for disassembling and assembling flange gaskets for ship pipe systems according to claim 3, wherein a first mounting groove is formed in one surface, which is in contact with the pipe body, of the U-shaped bolt, a first brake shoe is glued in the first mounting groove, and the thickness of the first brake shoe is larger than the depth of the first mounting groove.
6. The tool for disassembling and assembling flange gaskets for ship pipe systems according to claim 1, wherein a second mounting groove is formed in one surface, which is in contact with the pipe body, of the pressing plate, a second brake shoe is glued in the second mounting groove, and the thickness of the second brake shoe is larger than the depth of the second mounting groove.
7. The method for disassembling and assembling the tool for disassembling and assembling the flange gasket of the ship pipe system butt joint pipe according to any one of claims 1 to 6 is characterized by comprising the following steps of:
(1) pre-installing the stud and the jacking nut: two ends of the double-end stud are respectively provided with a jacking nut, and the jacking nuts are screwed to the bottom;
(2) preassembling a U-shaped pipe clamp assembly: a pair of U-shaped pipe clamp assemblies are respectively preassembled on pipe bodies on two sides of the butt joint pipe flange, one U-shaped pipe clamp assembly is fixed with the pipe body, the other U-shaped pipe clamp assembly is loosened with the pipe body and can move, and the inner opening distance of the pair of U-shaped pipe clamp assemblies is larger than the length of the double-end stud;
(3) installing a stud: one end of a double-end stud with a jacking nut at the two ends is inserted into a stud mounting hole arranged on a supporting block of one U-shaped pipe clamp assembly, the other loosened U-shaped pipe clamp assembly is moved to enable the other end of the double-end stud to be inserted into the stud mounting hole arranged on the supporting block of the loosened U-shaped pipe clamp assembly, and then the loosened U-shaped pipe clamp assembly is fixed with the pipe body;
(4) opening the butt joint pipe flange: respectively adjusting the jacking nuts at the two ends of the stud by using a spanner, so that the jacking nuts respectively prop against the supporting blocks on the pair of U-shaped pipe clamp assemblies, and the abutting pipe flanges are spread;
(5) dismounting a flange gasket: and (3) removing the flange gasket between the flanges of the butt joint pipes or installing the flange gasket between the flanges of the butt joint pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910992905.4A CN110722500A (en) | 2019-10-18 | 2019-10-18 | Disassembly and assembly tool and disassembly and assembly method for flange gasket of ship pipe system butt joint pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910992905.4A CN110722500A (en) | 2019-10-18 | 2019-10-18 | Disassembly and assembly tool and disassembly and assembly method for flange gasket of ship pipe system butt joint pipe |
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| CN110722500A true CN110722500A (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910992905.4A Pending CN110722500A (en) | 2019-10-18 | 2019-10-18 | Disassembly and assembly tool and disassembly and assembly method for flange gasket of ship pipe system butt joint pipe |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154150A (en) * | 2021-02-02 | 2021-07-23 | 中国海洋石油集团有限公司 | Special device for adjusting splayed opening of underwater expansion bent flange |
| CN113967894A (en) * | 2020-07-23 | 2022-01-25 | 中国石油化工股份有限公司 | Rapid flange loosening and pressing device and operation method thereof |
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| CN208826448U (en) * | 2018-07-17 | 2019-05-07 | 中国石油天然气股份有限公司 | Flange eyelid retractor |
| CN209146496U (en) * | 2018-11-27 | 2019-07-23 | 杭州全泰机电设备有限公司 | A kind of dual U-shaped para-seismic support pipe clamp |
| CN211306163U (en) * | 2019-10-18 | 2020-08-21 | 中船澄西船舶修造有限公司 | Disassembly and assembly tool for flange gasket of ship pipe system butt joint pipe |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113967894A (en) * | 2020-07-23 | 2022-01-25 | 中国石油化工股份有限公司 | Rapid flange loosening and pressing device and operation method thereof |
| CN113154150A (en) * | 2021-02-02 | 2021-07-23 | 中国海洋石油集团有限公司 | Special device for adjusting splayed opening of underwater expansion bent flange |
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