CN110185802B - Auxiliary installation device for mechanical seal structure - Google Patents
Auxiliary installation device for mechanical seal structure Download PDFInfo
- Publication number
- CN110185802B CN110185802B CN201910584769.5A CN201910584769A CN110185802B CN 110185802 B CN110185802 B CN 110185802B CN 201910584769 A CN201910584769 A CN 201910584769A CN 110185802 B CN110185802 B CN 110185802B
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- China
- Prior art keywords
- cylinder assembly
- inner cylinder
- outer cylinder
- positioning
- shaft
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- 238000009434 installation Methods 0.000 title claims abstract description 21
- 230000006835 compression Effects 0.000 claims abstract description 16
- 238000007906 compression Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 12
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000001125 extrusion Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 10
- 230000003068 static effect Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3464—Mounting of the seal
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Sealing (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses an auxiliary installation device of a mechanical seal structure, which comprises an inner cylinder assembly and an outer cylinder assembly, wherein the diameter of the inner cylinder assembly is smaller than that of the outer cylinder assembly, one end of the inner cylinder assembly is inserted into the outer cylinder assembly, the inner cylinder assembly and the outer cylinder assembly are fixedly connected through a positioning threaded pin, and the inner cylinder assembly and the outer cylinder assembly are sleeved on a shaft; according to the invention, after the inner cylinder component and the outer cylinder component are fixedly connected through the positioning threaded pin during operation, the inner cylinder component and the outer cylinder component are sleeved on the shaft, so that the large arc plate on the outer cylinder component is in contact with the movable ring, finally, the compression nut is sleeved on the shaft, and the compression nut is axially moved to realize the extrusion of the movable ring, so that the end surfaces of the movable ring and the stationary ring are uniformly extruded and attached.
Description
Technical Field
The invention belongs to the technical field of mechanical sealing, and particularly relates to an auxiliary installation device for a mechanical sealing structure.
Background
The mechanical seal is a device for preventing fluid leakage, which is formed by at least one pair of end faces perpendicular to the rotation axis, which are kept in contact and relatively slide under the action of fluid pressure and the elasticity or magnetic force of a compensation mechanism and the cooperation of auxiliary seals, and simply realizes the rotary dynamic seal function by the extrusion contact of the end faces of the stationary ring part and the end faces of the movable ring part;
the sealing effect of the mechanical seal depends on the contact effect of the movable ring and the stationary ring end face of the mechanical seal, in the installation process of the mechanical seal structure, the movable ring part of the mechanical seal is required to be uniformly pushed and pressed, so that all parts of the two end faces are uniformly pressed and contacted, and serious unbalanced load pressing and contact do not occur, thereby improving the installation effect and ensuring the sealing effect of the mechanical seal structure after installation.
Disclosure of Invention
The invention aims to provide an auxiliary installation device for a mechanical sealing structure.
The technical problems to be solved by the invention are as follows:
in the prior art, when the installation of a movable ring and a static ring in a mechanical sealing structure is carried out, the contact effect of the end face of the movable ring and the end face of the static ring is judged mainly through the hand feeling of an operator, the installation effect is subjectively influenced and has great influence on experience, poor sealing effect and inconsistent sealing effect of the same batch of products are easily caused, and how to solve the problem is one of the problems to be solved at present.
The aim of the invention can be achieved by the following technical scheme:
the auxiliary installation device for the mechanical seal structure comprises an inner cylinder assembly and an outer cylinder assembly, wherein the diameter of the inner cylinder assembly is smaller than that of the outer cylinder assembly, one end of the inner cylinder assembly is inserted into the outer cylinder assembly, the inner cylinder assembly and the outer cylinder assembly are fixedly connected through a positioning threaded pin, and the inner cylinder assembly and the outer cylinder assembly are sleeved on a shaft;
the inner cylinder assembly comprises an inner cylinder, small flanges arranged at two ends of the outer wall of the inner cylinder, a middle small flange arranged on the outer wall of the inner cylinder, the middle small flange arranged between the small flanges at two ends of the inner cylinder, a group of positioning seats are also arranged on the outer wall of the inner cylinder, a plurality of positioning seats are circumferentially distributed on the side wall of the inner cylinder, and threaded holes are formed in the positioning seats;
the outer cylinder assembly comprises an outer cylinder and an outer cylinder flange arranged at one end of the outer wall of the outer cylinder, the outer cylinder flange is arranged at one end far away from the inner cylinder assembly, a plurality of groups of positioning holes are axially formed in the side wall of the outer cylinder, each group of positioning holes are circumferentially distributed, the aperture of each positioning hole is larger than the outer diameter of an upper smooth circle part of a positioning threaded pin, and the inner cylinder assembly is fixedly connected with the outer cylinder assembly in a positioning way through a positioning threaded pin, a positioning seat and the positioning holes;
the small flanges at the two ends of the inner cylinder assembly are fixedly connected with small arc pieces of the annular structure through screws;
the outer cylinder flange on the outer cylinder assembly is fixedly connected with the large arc plate of the annular structure through screws;
the shaft is sleeved with a compression nut at one side far away from the mechanical sealing structure.
As a further scheme of the invention, the diameter of the inner circle of the small arc piece is equal to the outer diameter of the shaft at the installation position of the small arc piece, a circle of screw holes are formed in the ring surface of the small arc piece, and the small arc piece is fixedly connected with the inner cylinder component through screws.
As a further aspect of the present invention, the inner diameter of the large arc plate is equal to the outer diameter of the shaft at the installation position thereof.
As a further aspect of the invention, the end face of the compression nut remains perpendicular to the axis of the shaft during axial movement of the compression nut.
The invention has the beneficial effects that:
the mechanical seal structure is installed through the auxiliary installation device, specifically, after the inner cylinder component and the outer cylinder component are fixedly connected through the positioning threaded pin, the inner cylinder component and the outer cylinder component are sleeved on the shaft, a large arc plate on the outer cylinder component is in contact with the movable ring, finally, a compression nut is sleeved on the shaft, the movable ring is extruded by moving the compression nut along the axial direction, so that the end faces of the movable ring and the stationary ring are extruded and attached uniformly, the situation that whether the installation meets the requirement or not is avoided through hand feeling of workers in the conventional production by the method, and the consistency of the installation effect of the mechanical seal structure and mass production products is improved.
Drawings
The invention is described in further detail below with reference to the drawings and the specific embodiments.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic structural view of an inner barrel assembly;
fig. 3 is a schematic structural view of the outer tub assembly.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The auxiliary installation device of the mechanical seal structure comprises an inner cylinder assembly 4 and an outer cylinder assembly 6, as shown in fig. 1, wherein the diameter of the inner cylinder assembly 4 is smaller than that of the outer cylinder assembly 6, after one end of the inner cylinder assembly 4 is inserted into the outer cylinder assembly 6, the inner cylinder assembly 4 is fixedly connected with the outer cylinder assembly 6 through a positioning threaded pin 7, and the inner cylinder assembly 4 and the outer cylinder assembly 6 are sleeved on a shaft 10;
as shown in fig. 2, the inner cylinder assembly 4 includes an inner cylinder 42, small flanges 41 mounted at two ends of an outer wall of the inner cylinder 42, a middle small flange 43 mounted on an outer wall of the inner cylinder 42, and the middle small flange 43 mounted between the small flanges 41 at two ends of the inner cylinder 42, wherein the middle small flange 43 has an effect of supporting the outer cylinder assembly, a group of positioning seats 44 are mounted on an outer wall of the inner cylinder 42, a plurality of positioning seats are circumferentially distributed on a side wall of the inner cylinder 42, and threaded holes are formed in the positioning seats 44;
as shown in fig. 3, the outer cylinder assembly 6 includes an outer cylinder 61 and an outer cylinder flange 62 mounted at one end of the outer wall of the outer cylinder 61, the outer cylinder flange 62 is mounted at one end far away from the inner cylinder assembly 4, wherein a plurality of sets of positioning holes 63 are axially formed in the side wall of the outer cylinder 61, each set of positioning holes 63 are circumferentially distributed, the aperture of each set of positioning holes 63 is larger than the outer diameter of the plain circle part at the upper part of the positioning threaded pin 7, and the inner cylinder assembly 4 and the outer cylinder assembly 6 are fixedly connected with each other in a positioning manner through the positioning threaded pin 7 and the positioning seat 44;
the small flanges 41 at the two ends of the inner cylinder assembly 4 are fixedly connected with the small arc pieces 21 through the screws 3, the small arc pieces 21 are of annular structures, the inner diameters of the small arc pieces 21 are equal to the outer diameters of the shafts 10 at the installation positions of the small arc pieces, a circle of screw holes are formed in the annular surfaces of the small arc pieces 21, and the small arc pieces 21 are fixedly connected with the inner cylinder assembly 4 through the screws 3;
the outer cylinder flange 62 on the outer cylinder assembly 6 is fixedly connected with the large arc plate 8 through the screw 3, the large arc plate 8 is of an annular structure, and the inner diameter of the large arc plate 8 is equal to the outer diameter of the shaft 10 at the installation position of the large arc plate 8;
the shaft 10 is sleeved with the compression nut 1 at one side far away from the mechanical sealing structure 9, the axial movement process of the compression nut 1 can ensure that the end face of the compression nut 1 has good perpendicularity with the axis of the shaft 10, the compression nut 1 generates thrust to the inner cylinder assembly 4 through the small arc piece 21 by moving the compression nut 1 along the axial direction, the inner cylinder assembly 4 is transmitted to the outer cylinder assembly 6 through the positioning threaded pin 7, the outer cylinder assembly 6 pushes the movable ring through the large arc plate 8, and the end face of the movable ring is uniformly extruded and attached on the end face of the stationary ring;
when the machine seal seat is in operation, firstly, the inner cylinder assembly 4 and the outer cylinder assembly 6 are fixedly connected through the positioning threaded pin 7, then the inner cylinder assembly 4 and the outer cylinder assembly 6 are sleeved on the shaft 10, the large arc plate 8 on the outer cylinder assembly 6 is in contact with the static ring, finally, the compression nut 1 is sleeved on the shaft 10, and the static ring is extruded by axially moving the compression nut 1, so that the end faces of the movable ring and the static ring which are arranged on the machine seal seat 11 are uniformly extruded and attached.
The foregoing is merely illustrative of the structures of this invention and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the invention or from the scope of the invention as defined in the accompanying claims.
Claims (4)
1. The auxiliary installation device for the mechanical seal structure is characterized by comprising an inner cylinder assembly (4) and an outer cylinder assembly (6), wherein the diameter of the inner cylinder assembly (4) is smaller than that of the outer cylinder assembly (6), one end of the inner cylinder assembly (4) is inserted into the outer cylinder assembly (6), the inner cylinder assembly (4) is fixedly connected with the outer cylinder assembly (6) through a positioning threaded pin (7), and the inner cylinder assembly (4) and the outer cylinder assembly (6) are sleeved on a shaft (10);
the inner cylinder assembly (4) comprises an inner cylinder (42), small flanges (41) arranged at two ends of the outer wall of the inner cylinder (42), middle small flanges (43) arranged on the outer wall of the inner cylinder (42), the middle small flanges (43) are arranged between the small flanges (41) arranged at two ends of the inner cylinder (42), a group of positioning seats (44) are further arranged on the outer wall of the inner cylinder (42), the positioning seats (44) are circumferentially distributed on the side wall of the inner cylinder (42), and threaded holes are formed in the positioning seats (44);
the outer cylinder assembly (6) comprises an outer cylinder (61) and an outer cylinder flange (62) arranged at one end of the outer wall of the outer cylinder (61), the outer cylinder flange (62) is arranged at one end far away from the inner cylinder assembly (4), a plurality of groups of positioning holes (63) are axially formed in the side wall of the outer cylinder (61), each group of positioning holes (63) are circumferentially distributed, the aperture of each positioning hole (63) is larger than the outer diameter of a smooth circle part at the upper part of the positioning threaded pin (7), and the inner cylinder assembly (4) and the outer cylinder assembly (6) are fixedly connected with the positioning holes in a positioning way through the positioning threaded pin (7) and the positioning seat (44);
the small flanges (41) at two ends of the inner cylinder assembly (4) are fixedly connected with the small arc pieces (21) of the annular structure through screws (3);
an outer cylinder flange (62) on the outer cylinder assembly (6) is fixedly connected with a large arc plate (8) with an annular structure through a screw (3);
the shaft (10) is sleeved with a compression nut (1) at one side far away from the mechanical sealing structure (9).
2. The auxiliary installation device for the mechanical sealing structure according to claim 1, wherein the diameter of the inner circle of the small arc piece (21) is equal to the outer diameter of the shaft (10) at the installation position of the small arc piece, a circle of screw holes are formed in the annular surface of the small arc piece (21), and the small arc piece (21) is fixedly connected with the inner cylinder assembly (4) through the screw (3).
3. A mechanical seal auxiliary mounting device according to claim 1, characterized in that the inner diameter of the large arc plate (8) is equal to the outer diameter of the shaft (10) in its mounting position.
4. A mechanical seal auxiliary mounting device according to claim 1, characterized in that the end face of the compression nut (1) remains perpendicular to the axis of the shaft (10) during axial displacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910584769.5A CN110185802B (en) | 2019-07-01 | 2019-07-01 | Auxiliary installation device for mechanical seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910584769.5A CN110185802B (en) | 2019-07-01 | 2019-07-01 | Auxiliary installation device for mechanical seal structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110185802A CN110185802A (en) | 2019-08-30 |
| CN110185802B true CN110185802B (en) | 2024-03-26 |
Family
ID=67724354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910584769.5A Active CN110185802B (en) | 2019-07-01 | 2019-07-01 | Auxiliary installation device for mechanical seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110185802B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968077A (en) * | 2014-05-19 | 2014-08-06 | 南京林业大学 | Split type mechanical seal |
| CN104330223A (en) * | 2014-11-26 | 2015-02-04 | 南京林业大学 | Mechanical sealing property testing device and method for measuring axial force and temperature of sealed end surfaces |
| CN104676004A (en) * | 2015-02-13 | 2015-06-03 | 江苏科奥流体科技有限公司 | Integral sealing device of hydraulic pump |
| CN205918903U (en) * | 2016-06-30 | 2017-02-01 | 台州市星光真空设备制造有限公司 | Mechanical seal |
| CN106838321A (en) * | 2017-03-13 | 2017-06-13 | 浙江长城搅拌设备股份有限公司 | Kettle side entering type mechanical seal |
| CN206563077U (en) * | 2017-03-13 | 2017-10-17 | 浙江长城搅拌设备股份有限公司 | Kettle side entering type mechanical seal |
| CN108506636A (en) * | 2017-09-27 | 2018-09-07 | 南京管科智能科技有限公司 | A kind of driving drum |
| CN207893297U (en) * | 2018-02-27 | 2018-09-21 | 邯郸钢铁集团有限责任公司 | A kind of coke-oven plant's flaker rotary joint |
| CN210240553U (en) * | 2019-07-01 | 2020-04-03 | 合肥恒大江海泵业股份有限公司 | Auxiliary mounting device for mechanical sealing structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4141296A1 (en) * | 2016-07-12 | 2023-03-01 | John Crane Inc. | Non-collapsible flexible sealing membrane and seal assembly for rotary shaft equipment |
-
2019
- 2019-07-01 CN CN201910584769.5A patent/CN110185802B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968077A (en) * | 2014-05-19 | 2014-08-06 | 南京林业大学 | Split type mechanical seal |
| CN104330223A (en) * | 2014-11-26 | 2015-02-04 | 南京林业大学 | Mechanical sealing property testing device and method for measuring axial force and temperature of sealed end surfaces |
| CN104676004A (en) * | 2015-02-13 | 2015-06-03 | 江苏科奥流体科技有限公司 | Integral sealing device of hydraulic pump |
| CN205918903U (en) * | 2016-06-30 | 2017-02-01 | 台州市星光真空设备制造有限公司 | Mechanical seal |
| CN106838321A (en) * | 2017-03-13 | 2017-06-13 | 浙江长城搅拌设备股份有限公司 | Kettle side entering type mechanical seal |
| CN206563077U (en) * | 2017-03-13 | 2017-10-17 | 浙江长城搅拌设备股份有限公司 | Kettle side entering type mechanical seal |
| CN108506636A (en) * | 2017-09-27 | 2018-09-07 | 南京管科智能科技有限公司 | A kind of driving drum |
| CN207893297U (en) * | 2018-02-27 | 2018-09-21 | 邯郸钢铁集团有限责任公司 | A kind of coke-oven plant's flaker rotary joint |
| CN210240553U (en) * | 2019-07-01 | 2020-04-03 | 合肥恒大江海泵业股份有限公司 | Auxiliary mounting device for mechanical sealing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110185802A (en) | 2019-08-30 |
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