CN112589723A - Assembly tool and method for box-packed mechanical seal - Google Patents
Assembly tool and method for box-packed mechanical seal Download PDFInfo
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- CN112589723A CN112589723A CN202011456421.7A CN202011456421A CN112589723A CN 112589723 A CN112589723 A CN 112589723A CN 202011456421 A CN202011456421 A CN 202011456421A CN 112589723 A CN112589723 A CN 112589723A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000003068 static effect Effects 0.000 claims abstract description 42
- 238000009434 installation Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 description 7
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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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
- B25B27/0028—Tools for removing or installing seals
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Sealing (AREA)
Abstract
The invention belongs to the technical field of assembly of rotating equipment, and particularly relates to an assembly tool and an assembly method for a box-type mechanical seal. The invention avoids the risk of friction failure of the moving ring and the static ring in the assembly process of the box-type mechanical seal; aiming at the structural characteristics of the box-packed mechanical seal, the separate assembly of the moving ring component and the fixed ring component is avoided, and the working quality and the efficiency of the assembly are improved.
Description
Technical Field
The invention belongs to the technical field of assembly of rotating equipment, and particularly relates to an assembly tool and an assembly method for a box-type mechanical seal.
Background
The mechanical sealing part realizes the axial sealing function of the rotating machinery by maintaining a sealing liquid film with micron-sized thickness on the end surface of the dynamic and static sealing rings.
The dynamic and static sealing rings are core functional components of mechanical sealing, and are positioned in the circumferential direction by means of anti-rotation pins arranged on respective components.
In order to avoid the damage of a compact cover due to the relative movement of a movable ring surface and a fixed ring surface caused by the adjustment of the movable ring and the fixed ring in the mechanical seal assembling process, the movable ring and the fixed ring components are installed separately by the traditional mechanical seal assembling process, and the method is not suitable for the box-type mechanical seal with the movable ring and the fixed ring components assembled together.
Therefore, in order to avoid the risk of friction failure of the moving ring and the static ring in the assembling process of the box-type mechanical seal and improve the assembling quality and efficiency of the box-type mechanical seal, the invention of a tool and a method is urgently needed to solve the problems.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides an assembling tool and an assembling method for a box-type mechanical seal, which can completely avoid the risk of friction failure of a moving ring and a fixed ring in the assembling process of the box-type mechanical seal and ensure the assembling quality and efficiency of the box-type mechanical seal.
The technical scheme of the invention is as follows:
a tool for assembling a box-type mechanical seal comprises a rotary lifting mechanism, a star-shaped disc A, a star-shaped disc B, 4 screw rods A, 4 screw rods B, 4 special-shaped bolts, 4 support rods, 4 springs, an external connection ring, an internal connection ring, a mechanical seal static ring assembly, a mechanical seal dynamic ring assembly and a mechanical seal chamber; the mechanical seal static ring component is arranged in the mechanical seal chamber;
the adapter ring assembly comprises an inner connecting ring, an outer connecting ring and a support rod assembly;
the external ring is connected with the mechanical seal static ring assembly through a bolt and is linked to the star-shaped disc A; the inner connecting ring is connected with the mechanical seal moving ring assembly through a bolt and is linked to the star-shaped disc B; the star-shaped disk A and the star-shaped disk B are assembled on the rotary lifting mechanism through an inner hole with T-shaped threads; the star-shaped disc A and the star-shaped disc B realize the up-and-down movement of the mechanical seal moving and static components through rotating a rotary lifting mechanism;
the supporting rod is fixed on the external ring by a special-shaped bolt, and a spring is arranged in the special-shaped bolt to keep the position of the supporting rod to form a supporting rod assembly;
the external ring is connected with the mechanical seal static ring component through a bolt and is linked on the star-shaped disc A through 4 screw rods A uniformly distributed in a circle.
The inner ring is connected with the mechanical seal movable ring assembly through bolts and is connected to the star-shaped disc B through 4 screws B uniformly distributed in a circle.
The total 4 groups of bracing piece subassembly are evenly arranged along circumscribed ring a week, through the position of adjusting 4 groups of bracing piece subassemblies simultaneously, realize mechanical seal quiet ring subassembly's axial position and keep.
The star A2 is disposed above the star B3.
The rotary lifting mechanism is provided with a hand wheel and a screw rod with processed T-shaped threads, and the star-shaped disc A and the star-shaped disc B are installed on the screw rod.
The special-shaped bolts are matched with the supporting rod to adjust the position of the supporting rod 790 within a range, and the movable ring surface and the static ring surface are separated by 3-5mm in the box-type mechanical seal assembling process.
The outer connecting ring and the inner connecting ring respectively provide a tool connecting interface of a mechanically sealed moving ring component, a star-shaped disk A2 and a star-shaped disk B3.
A large torque transmission device for a turning tool of rotating equipment comprises a first step of installing a screw to connect a mechanical seal assembly and a star-shaped disc and adjusting the positions of 4 support rods; rotating a hand wheel of the rotary lifting mechanism to enable the box-packed mechanical seal assembly to move downwards and to be seated on the mechanical seal chamber through the support rod;
step two, dismantling a screw rod between the mechanical seal assembly and the star-shaped disc; a screw rod between the inner ring and the star-shaped disk B3 is installed;
thirdly, rotating the hand wheel, and moving the mechanical password moving ring component downwards to enable the end face of the mechanical seal moving ring to be separated by 3-5 mm; adjusting and seating according to the circumferential position of the mechanical seal moving ring assembly;
step four, installing a screw A, and rotating a hand wheel of the rotary lifting mechanism to enable the mechanical seal static ring assembly and the support rod to be separated from the mechanical seal chamber;
fifthly, sequentially rotating four support rods for 790 degrees;
and sixthly, rotating a hand wheel of the rotary lifting mechanism, slowly dropping the mechanical seal static ring assembly, positioning the mechanical seal static ring assembly according to the positions of the mechanical seal static ring assembly and the mechanical seal chamber, and finishing installation.
The invention has the beneficial effects that:
1, avoiding the risk of friction failure of a moving ring and a static ring in the assembly process of a box-type mechanical seal;
2, aiming at the structural characteristics of the box-type mechanical seal, the separate assembly of the movable ring component and the fixed ring component is avoided, and the working quality and the efficiency of the assembly are improved;
3 simple structure, simple installation.
4 the invention has reference significance for the design of the assembly tool for the container type movable and static components of other types of rotating equipment.
Drawings
FIG. 1 is a schematic structural diagram of a tool for assembling a box-type mechanical seal according to the present invention;
fig. 2 is a schematic use view of the tool for assembling the box-type mechanical seal according to the present invention.
Fig. 3 is a schematic view of a lifting mechanism assembly of the present invention.
Fig. 4 is a schematic view of a slip ring assembly of the present invention.
Fig. 5 is a schematic view of the profiled bolt of the present invention.
Fig. 6 is a schematic view of the support bar of the present invention.
In the figure: 1. the mechanical seal device comprises a rotary lifting mechanism, 2, a star-shaped disc A, 3, a star-shaped disc B, 4, a screw A, 5, a screw B, 6, a special-shaped bolt, 7, a support rod, 8, a spring, 9, an external ring, 10, an internal ring, 11, a mechanical seal static ring assembly, 12, a mechanical seal movable ring assembly and 13, and a mechanical seal chamber.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
As shown in the figure, the tool for assembling the box-type mechanical seal comprises 1 lifting mechanism 1, a star-shaped disk A2, a star-shaped disk B3, 4 screws A4, 4 screws B5, 4 special- shaped bolts 6, 4 support rods 7, 4 springs 8, an external connection ring 9, an internal connection ring 10, a mechanical seal static ring component 11, a mechanical seal dynamic ring component 12 and a mechanical seal chamber 13;
the mechanical seal static ring assembly 11 is arranged in the mechanical seal chamber 13;
the adapter ring assembly comprises an inner connecting ring 10, an outer connecting ring 9 and a support rod assembly;
the external ring 9 is connected with the mechanical seal static ring component 11 through bolts and is linked on a star-shaped disc A2 through 4 screws A4 uniformly distributed in one circle; the inner ring 10 is connected with a mechanical seal movable ring assembly 12 through bolts and is linked on a star-shaped disc B3 through 4 screws B5 uniformly distributed in a circle; the star-shaped disk A2 and the star-shaped disk B3 are assembled on the rotary lifting mechanism 1 through an inner hole with T-shaped threads; the star-shaped disk A2 is arranged above the star-shaped disk B3, and the star-shaped disk A2 and the star-shaped disk B3 realize the up-and-down movement of the mechanical sealing moving and static component 11 through rotating the rotary lifting mechanism 1;
the supporting rod 7 is fixed on the external ring 9 by the special-shaped bolt 6, and the spring 8 is arranged in the special-shaped bolt 6 to keep the position of the supporting rod 7, so that the supporting rod assembly is formed; the support rod assemblies are 4 groups and are uniformly arranged along the circumference of the external ring 9, and the axial position maintaining function of the mechanical seal static ring assembly 11 is realized by simultaneously adjusting the positions of the 4 groups of support rod assemblies;
the moving ring assembly and the static ring assembly are independent from each other and depend on the holding function of the supporting rod assembly, so that the end faces of the moving rings are separated from each other in the assembling process of the box-type mechanical seal, and the risk of friction failure of the moving rings and the static rings is avoided.
The rotary lifting mechanism 1 is provided with a hand wheel and a screw rod with processed T-shaped threads, a star-shaped disc A2 and a star-shaped disc B3 are installed on the screw rod, and the star-shaped disc A2, the star-shaped disc B3 and a connecting component of the star-shaped disc A3526 can move up and down by rotating a head wheel.
The special-shaped bolt 6 is matched with the support rod 7 to realize the adjustment of the position of the support rod 790 within a range, and the separation of the dynamic and static ring surfaces by 3-5mm in the assembling process of the box-type mechanical seal is realized.
The external connection ring 9 and the internal connection ring 10 respectively provide a tool connecting interface of a mechanically sealed moving and static ring assembly, a star-shaped disk A2 and a star-shaped disk B3, so that the moving and static ring assembly can rotate independently from one another, and the circumferential positioning position of the moving and static ring assembly and the rotating machine can be adjusted.
An assembly method for a cartridge-type mechanical seal, comprising the steps of:
firstly, a mounting screw rod 4 is connected with a mechanical seal assembly and a star-shaped disc 2, and the positions of 4 support rods 7 are adjusted; and a hand wheel of the rotary lifting mechanism 1 is rotated, so that the box-type mechanical seal assembly moves downwards and is seated on the mechanical seal chamber 13 through the support rod 7.
Step two, dismantling the screw rod 4 between the mechanical seal assembly and the star-shaped disc 2; screws are installed between the inner ring 10 and the star B3.
Thirdly, rotating the hand wheel, and moving the mechanical password moving ring component downwards to enable the end face of the mechanical seal moving ring to be separated by 3-5 mm; and the seat is adjusted and seated according to the circumferential position of the mechanical seal moving ring assembly.
Step four, installing a screw A4, and rotating a hand wheel of the rotary lifting mechanism 1 to enable the mechanical seal static ring component 11 and the support rod 7 to be separated from the mechanical seal chamber 13;
fifthly, sequentially rotating four support rods for 790 degrees;
and sixthly, rotating a hand wheel of the rotary lifting mechanism 1, slowly dropping the mechanical seal static ring component 11, and positioning the mechanical seal static ring component 11 according to the positions of the mechanical seal static ring component 11 and the mechanical seal chamber 13. And (5) finishing the installation.
Claims (9)
1. A tool for assembling a box-type mechanical seal comprises a rotary lifting mechanism, a star-shaped disc A, a star-shaped disc B, 4 screw rods A, 4 screw rods B, 4 special-shaped bolts, 4 support rods, 4 springs, an external connection ring, an internal connection ring, a mechanical seal static ring assembly, a mechanical seal dynamic ring assembly and a mechanical seal chamber; the method is characterized in that:
the mechanical seal static ring component is arranged in the mechanical seal chamber;
the adapter ring assembly comprises an inner connecting ring, an outer connecting ring and a support rod assembly;
the external ring is connected with the mechanical seal static ring assembly through a bolt and is linked to the star-shaped disc A; the inner connecting ring is connected with the mechanical seal moving ring assembly through a bolt and is linked to the star-shaped disc B; the star-shaped disk A and the star-shaped disk B are assembled on the rotary lifting mechanism through an inner hole with T-shaped threads; the star-shaped disc A and the star-shaped disc B realize the up-and-down movement of the mechanical seal moving and static components through rotating a rotary lifting mechanism;
the supporting rod is fixed on the external ring by virtue of the special-shaped bolt, and the spring is arranged in the special-shaped bolt to keep the position of the supporting rod, so that the supporting rod assembly is formed.
2. The tooling for the assembly of the boxed mechanical seal according to claim 1, wherein: the external ring is connected with the mechanical seal static ring component through a bolt and is linked on the star-shaped disc A through 4 screw rods A uniformly distributed in a circle.
3. The tooling for the assembly of the boxed mechanical seal according to claim 1, wherein: the inner ring is connected with the mechanical seal movable ring assembly through bolts and is connected to the star-shaped disc B through 4 screws B uniformly distributed in a circle.
4. The tooling for the assembly of the boxed mechanical seal according to claim 1, wherein: the total 4 groups of bracing piece subassembly are evenly arranged along circumscribed ring a week, through the position of adjusting 4 groups of bracing piece subassemblies simultaneously, realize mechanical seal quiet ring subassembly's axial position and keep.
5. The tooling for the assembly of the boxed mechanical seal according to claim 1, wherein: the star A2 is disposed above the star B3.
6. The tooling for the assembly of the boxed mechanical seal according to claim 1, wherein: the rotary lifting mechanism is provided with a hand wheel and a screw rod with processed T-shaped threads, and the star-shaped disc A and the star-shaped disc B are installed on the screw rod.
7. The tooling for the assembly of the boxed mechanical seal according to claim 1, wherein: the special-shaped bolts are matched with the supporting rod to adjust the position of the supporting rod 790 within a range, and the movable ring surface and the static ring surface are separated by 3-5mm in the box-type mechanical seal assembling process.
8. The tooling for the assembly of the boxed mechanical seal according to claim 1, wherein: the external connection ring and the internal connection ring respectively provide a tool connecting interface of a mechanically sealed moving ring component, a mechanically sealed star-shaped disk A and a mechanically sealed star-shaped disk B.
9. An assembly method for a cartridge type mechanical seal, characterized in that:
step one, a screw is installed to connect a mechanical seal assembly and a star-shaped disc, and the positions of 4 support rods are adjusted; rotating a hand wheel of the rotary lifting mechanism to enable the box-packed mechanical seal assembly to move downwards and to be seated on the mechanical seal chamber through the support rod;
step two, dismantling a screw rod between the mechanical seal assembly and the star-shaped disc; a screw rod between the inner ring and the star-shaped disk B3 is installed;
thirdly, rotating the hand wheel, and moving the mechanical password moving ring component downwards to enable the end face of the mechanical seal moving ring to be separated by 3-5 mm; adjusting and seating according to the circumferential position of the mechanical seal moving ring assembly;
step four, installing a screw A, and rotating a hand wheel of the rotary lifting mechanism to enable the mechanical seal static ring assembly and the support rod to be separated from the mechanical seal chamber;
fifthly, sequentially rotating four support rods for 790 degrees;
and sixthly, rotating a hand wheel of the rotary lifting mechanism, slowly dropping the mechanical seal static ring assembly, positioning the mechanical seal static ring assembly according to the positions of the mechanical seal static ring assembly and the mechanical seal chamber, and finishing installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011456421.7A CN112589723A (en) | 2020-12-10 | 2020-12-10 | Assembly tool and method for box-packed mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011456421.7A CN112589723A (en) | 2020-12-10 | 2020-12-10 | Assembly tool and method for box-packed mechanical seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112589723A true CN112589723A (en) | 2021-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011456421.7A Pending CN112589723A (en) | 2020-12-10 | 2020-12-10 | Assembly tool and method for box-packed mechanical seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112589723A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009236207A (en) * | 2008-03-27 | 2009-10-15 | Nippon Pillar Packing Co Ltd | Mechanical seal |
| CN202910792U (en) * | 2012-10-10 | 2013-05-01 | 中国石油化工集团公司 | Mechanical seal disassembling tool |
| CN206393553U (en) * | 2016-11-30 | 2017-08-11 | 鞍钢股份有限公司 | A kind of quick tool special for dismounting of integrated mechanical sealing |
| CN109163095A (en) * | 2018-09-28 | 2019-01-08 | 安徽安密机械密封有限公司 | A kind of multiple springs mechanical sealing assembly and its installation method |
| CN208749642U (en) * | 2018-05-24 | 2019-04-16 | 福建福清核电有限公司 | A kind of lifting device for nuclear power station main coolant pump mechanical seal assembly |
| CN209309327U (en) * | 2018-11-23 | 2019-08-27 | 中昊晨光化工研究院有限公司 | A kind of double mechanical seal moving ring assembly assembly tooling |
| CN209335511U (en) * | 2018-11-20 | 2019-09-03 | 新疆华泰重化工有限责任公司 | A kind of device of 108 side's polymeric kettle mechanical seal assemblies of efficient dismounting |
| CN209350162U (en) * | 2018-11-22 | 2019-09-06 | 佛山市大为科技有限公司 | A kind of coating dispersing apparatus mechanical seal assembly tooling |
| CN210010670U (en) * | 2019-04-12 | 2020-02-04 | 山东石大胜华化工集团股份有限公司 | Lossless equipment specialized tool of desulphurization unit container seal |
| CN110815116A (en) * | 2019-11-20 | 2020-02-21 | 四川航天长征装备制造有限公司 | Valve pre-deviation assembly tool and valve assembly method |
| CN111331552A (en) * | 2020-04-01 | 2020-06-26 | 江苏核电有限公司 | Special tool and method for disassembling and assembling mechanical seal movable ring assembly |
| CN215433449U (en) * | 2020-12-10 | 2022-01-07 | 福建福清核电有限公司 | Assembly tool for box-packed mechanical seal |
-
2020
- 2020-12-10 CN CN202011456421.7A patent/CN112589723A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009236207A (en) * | 2008-03-27 | 2009-10-15 | Nippon Pillar Packing Co Ltd | Mechanical seal |
| CN202910792U (en) * | 2012-10-10 | 2013-05-01 | 中国石油化工集团公司 | Mechanical seal disassembling tool |
| CN206393553U (en) * | 2016-11-30 | 2017-08-11 | 鞍钢股份有限公司 | A kind of quick tool special for dismounting of integrated mechanical sealing |
| CN208749642U (en) * | 2018-05-24 | 2019-04-16 | 福建福清核电有限公司 | A kind of lifting device for nuclear power station main coolant pump mechanical seal assembly |
| CN109163095A (en) * | 2018-09-28 | 2019-01-08 | 安徽安密机械密封有限公司 | A kind of multiple springs mechanical sealing assembly and its installation method |
| CN209335511U (en) * | 2018-11-20 | 2019-09-03 | 新疆华泰重化工有限责任公司 | A kind of device of 108 side's polymeric kettle mechanical seal assemblies of efficient dismounting |
| CN209350162U (en) * | 2018-11-22 | 2019-09-06 | 佛山市大为科技有限公司 | A kind of coating dispersing apparatus mechanical seal assembly tooling |
| CN209309327U (en) * | 2018-11-23 | 2019-08-27 | 中昊晨光化工研究院有限公司 | A kind of double mechanical seal moving ring assembly assembly tooling |
| CN210010670U (en) * | 2019-04-12 | 2020-02-04 | 山东石大胜华化工集团股份有限公司 | Lossless equipment specialized tool of desulphurization unit container seal |
| CN110815116A (en) * | 2019-11-20 | 2020-02-21 | 四川航天长征装备制造有限公司 | Valve pre-deviation assembly tool and valve assembly method |
| CN111331552A (en) * | 2020-04-01 | 2020-06-26 | 江苏核电有限公司 | Special tool and method for disassembling and assembling mechanical seal movable ring assembly |
| CN215433449U (en) * | 2020-12-10 | 2022-01-07 | 福建福清核电有限公司 | Assembly tool for box-packed mechanical seal |
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