CN215589031U - Multilayer V-shaped sealing installation tool - Google Patents
Multilayer V-shaped sealing installation tool Download PDFInfo
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- CN215589031U CN215589031U CN202121023183.0U CN202121023183U CN215589031U CN 215589031 U CN215589031 U CN 215589031U CN 202121023183 U CN202121023183 U CN 202121023183U CN 215589031 U CN215589031 U CN 215589031U
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Abstract
A multilayer V-shaped seal installation tool comprises a seal conduit device and a seal pushing and pressing device, wherein the seal conduit device and the seal pushing and pressing device are driven to move relatively through a transmission piece; the sealing conduit device comprises a conical section and a cylindrical section, wherein one end of the conical section is connected with the cylindrical section, and the diameter of the other end of the conical section is gradually increased to form a bell mouth shape; the sealing and pushing device comprises a sleeve, and the inner diameter of the cylindrical section is larger than or equal to the outer diameter of the sleeve. The tool replaces the current working mode of purely manually installing multilayer V-shaped seals, ensures the installation quality of the seals and improves the installation efficiency.
Description
Technical Field
The utility model belongs to the field of hydroelectric generating sets, and particularly relates to a multilayer V-shaped sealing installation tool.
Background
The operation pressure of the hydraulic servomotor of the speed regulating system of the large-scale hydroelectric power plant can reach 6.3Mpa, and the multi-layer V-shaped dynamic seal is the key for ensuring the operation pressure and the operation power. Oil leakage is often found at the multilayer V-shaped sealing position of the hydraulic servomotor in the operation of a hydraulic power plant, and the multilayer V-shaped sealing is required to be replaced regularly. In the past, the seal is replaced by adopting a pure manual pressing and pressing mode, a sealing surface is always scratched, the sealing performance is reduced, and due to the fact that the multilayer V-shaped seal is made of hard materials, an installer is very laboured, and the installation efficiency is very low. In view of the fact that no special tool specially used for installing the multilayer V-shaped seal exists at present, it is necessary to design an installation tool which is generally used for the multilayer V-shaped seal.
Disclosure of Invention
In view of the technical problems in the background art, the multilayer V-shaped seal mounting tool provided by the utility model replaces the existing working mode of purely manually mounting multilayer V-shaped seals, ensures the mounting quality of the seals and improves the mounting efficiency.
In order to solve the technical problems, the utility model adopts the following technical scheme to realize:
a multilayer V-shaped seal installation tool comprises a seal conduit device and a seal pushing and pressing device, wherein the seal conduit device and the seal pushing and pressing device are driven to move relatively through a transmission piece; the sealing conduit device comprises a conical section and a cylindrical section, wherein one end of the conical section is connected with the cylindrical section, and the diameter of the other end of the conical section is gradually increased to form a bell mouth shape; the sealing and pushing device comprises a sleeve, and the inner diameter of the cylindrical section is larger than or equal to the outer diameter of the sleeve.
In a preferable scheme, the transmission part comprises a screw rod and a nut, and the screw rod is in threaded fit with the nut;
the sealing pushing device also comprises a flange surface or an ear plate arranged at one end of the sleeve;
the sealing conduit device also comprises a flange surface or an ear plate arranged on the conical section or the cylindrical section;
the screw rod is used for penetrating through the flange surface or the through hole of the lug plate; one end of the screw rod is used for being connected with the end cover, the other end of the screw rod is used for arranging a nut, and the nut is used for driving the sealing pushing and pressing device to move.
In a preferable scheme, the end face of the sleeve is provided with a V-shaped groove, and the V-shaped groove is used for being matched with the V-shaped seal.
In a preferred scheme, the outer wall of the cylindrical section is attached to the inner wall of the end cover; the cylinder section is used for being inserted into the multi-layer V-shaped sealing groove.
In a preferred scheme, the inner wall of the sleeve is provided with a protective sleeve.
In a preferred scheme, the inner walls of the conical section and the cylindrical section are in smooth transition.
In a preferred scheme, the maximum inner diameter of the conical section is multiple of the diameter of the V-shaped seal.
In a preferable scheme, the inner wall of the conical section is provided with a ventilation groove for exhausting air in the V-shaped sealing groove in the sealing installation process.
This patent can reach following beneficial effect:
the multilayer V-shaped sealing installation tool reduces the number of multilayer V-shaped sealing installation operators, and makes the sealing installation work changed into single independent work from one multi-person cooperation work, so that the labor force is saved more in the sealing installation. The sealing installation difficulty is greatly reduced, and the multi-layer V-shaped sealing installation is more efficient and faster.
The tool is simple in structure, simple in machining process, high in economy and popularization, capable of greatly shortening the overhaul period, gaining time for the hydroelectric generating set to finish overhaul and put into operation as early as possible, shortening the downtime of the hydroelectric generating set to a certain extent, and contributing to improving the annual utilization hours of the unit, and meanwhile, the tool can be popularized and used for overhaul operation of other industries (industries such as mining machinery, hydraulic opening and closing machines, chemical industry and the like) or other power station units.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a diagram illustrating the effect of the present invention;
FIG. 3 is an axial cross-sectional view of the sealed conduit apparatus of the present invention;
FIG. 4 is a side view of the sealed conduit apparatus of the present invention;
FIG. 5 is an axial cross-sectional view of the seal biasing apparatus of the present invention;
fig. 6 is a side view of the seal pressing device of the present invention.
In the figure: the sealing device comprises a sealing conduit device 1, a conical section 101, a cylindrical section 102, a vent groove 103, a sealing pushing device 2, a sleeve 201, a V-shaped groove 202, a protective sleeve 203, a transmission piece 3, a screw rod 301, a nut 302, an end cover 4, a V-shaped seal 5, a V-shaped seal groove 6, a V-shaped seal gasket ring 7, a copper tile 8 and a shaft body 9.
Detailed Description
The preferable scheme is as shown in fig. 1 to fig. 6, the multilayer V-shaped seal installation tool comprises a seal conduit device 1 and a seal pressing device 2, wherein the seal conduit device 1 and the seal pressing device 2 are driven to move relatively through a transmission piece 3; the sealing conduit device 1 comprises a conical section 101 and a cylindrical section 102, wherein one end of the conical section 101 is connected with the cylindrical section 102, and the diameter of the other end of the conical section 101 is gradually increased to form a bell mouth shape; the seal pressing means 2 includes a sleeve 201, and the inner diameter of the cylindrical section 102 is larger than or equal to the outer diameter of the sleeve 201.
As shown in fig. 2, which is a schematic view of a multi-layer V-shaped sealing structure of an existing hydraulic servomotor, a copper shoe 8 is disposed at an end cover 4 of a shaft body 9, and a V-shaped sealing gasket ring 7 and a plurality of V-shaped seals 5 are mounted in a V-shaped sealing groove 6. The sealing guide pipe device 1 and the sealing pushing device 2 are both sleeved on the shaft body 9, the cylinder section 102 is used for extending into the V-shaped sealing groove 6, and the sleeve 201 is used for pushing the V-shaped sealing 5 to the V-shaped sealing groove 6, so that the manual pressing or pressing working mode is replaced. The conical section 101 and the cylindrical section 102 serve as guides.
Further, the transmission member 3 comprises a screw rod 301 and a nut 302, wherein the screw rod 301 and the nut 302 are in threaded fit;
the seal pressing device 2 further includes a flange surface or an ear plate provided at one end of the sleeve 201;
the sealed conduit device 1 further comprises a flange surface or an ear plate arranged on the conical section 101 or the cylindrical section 102;
the screw rod 301 is used for penetrating through the flange surface or the through hole of the lug plate; one end of the screw rod 301 is used for connecting with the end cover 4, the other end of the screw rod 301 is used for arranging a nut 302, and the nut 302 is used for driving the sealing and pushing device 2 to move.
The number of the screw rods 301 in the embodiment is preferably 6, and the 6 screw rods 301 are uniformly distributed in an annular mode, so that the uniform stress effect is achieved. As shown in fig. 2, after the six screws 301 are connected to the end cap 4, the six screws 301 provide a support frame for the sealing catheter device 1.
The end face of the end cover 4 can be provided with a plurality of internal thread holes for being connected with the screw rod 301, after the screw rod 301 is fixed, the sealing guide pipe device 1, the V-shaped seal 5 and the sealing pushing and pressing device 2 are installed, the sealing pushing and pressing device 2 is driven to move by the rotating nut 302, and the sealing pushing and pressing device 2 pushes the V-shaped seal 5 into the V-shaped sealing groove 6.
Further, the end surface of the sleeve 201 is provided with a V-shaped groove 202, and the V-shaped groove 202 is used for matching with the V-shaped seal 5.
Further, the outer wall of the cylindrical section 102 is adapted to fit the inner wall of the end cap 4; the cylindrical segment 102 is inserted into the multi-layer V-shaped seal groove 6.
Further, the inner wall of the sleeve 201 is provided with a protective sleeve 203. The protective sleeve 203 is made of nylon material, and prevents the servomotor push-pull rod (i.e. the multilayer V-shaped seal movable shaft body) from being scratched.
Further, the inner walls of the conical section 101 and the cylindrical section 102 are smoothly transited.
Further, the maximum inner diameter of the conical section 101 is 1.05-1.1 times the diameter of the V-seal 5. Preferably 1.05 times.
The working principle is as follows:
the sealing pushing device 2 is used for uniformly applying pressure, the V-shaped seal 5 gradually shrinks in the conical section 101, the V-shaped seal 5 is slowly extruded into the V-shaped seal groove 6, and the flanging problem in the sealing installation process is effectively solved.
The inner wall of the conical section 101 is provided with four uniformly distributed ventilation grooves 103 for discharging air in the V-shaped sealing groove 6 in the sealing installation process, so that the resistance in the installation process is reduced, and the flanging probability in the installation process is reduced.
The roughness of the inner wall surface of the conical section 101 reaches 1.6, the friction of the seal in the installation process is effectively reduced, and the integrity of the seal surface is ensured, so that the seal installation quality is ensured.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features described in the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the utility model.
Claims (8)
1. The utility model provides a sealed mounting tool of multilayer V type which characterized in that: the device comprises a sealing conduit device (1) and a sealing pushing and pressing device (2), wherein the sealing conduit device (1) and the sealing pushing and pressing device (2) are driven to move relatively through a transmission piece (3); the sealing conduit device (1) comprises a conical section (101) and a cylindrical section (102), wherein one end of the conical section (101) is connected with the cylindrical section (102), and the diameter of the other end of the conical section (101) is gradually increased to form a bell mouth shape; the seal pressing device (2) comprises a sleeve (201), and the inner diameter of the cylindrical section (102) is larger than or equal to the outer diameter of the sleeve (201).
2. The multi-layer V-seal installation tool of claim 1, wherein: the transmission piece (3) comprises a screw rod (301) and a nut (302), and the screw rod (301) is in threaded fit with the nut (302);
the sealing pushing device (2) also comprises a flange surface or an ear plate arranged at one end of the sleeve (201);
the sealing conduit device (1) also comprises a flange surface or an ear plate arranged on the conical section (101) or the cylindrical section (102);
the screw rod (301) is used for penetrating through the through hole of the flange surface or the lug plate; one end of the screw rod (301) is used for being connected with the end cover (4), the other end of the screw rod (301) is used for arranging a nut (302), and the nut (302) is used for driving the sealing pushing and pressing device (2) to move.
3. The multi-layer V-seal installation tool of claim 2, wherein: the end face of the sleeve (201) is provided with a V-shaped groove (202), and the V-shaped groove (202) is matched with the V-shaped seal (5).
4. The multi-layer V-seal installation tool of claim 2, wherein: the outer wall of the cylindrical section (102) is attached to the inner wall of the end cover (4); the cylinder section (102) is inserted into the multi-layer V-shaped sealing groove (6).
5. The multi-layer V-seal installation tool of claim 1 or 2, wherein: the inner wall of the sleeve (201) is provided with a protective sleeve (203).
6. The multi-layer V-seal installation tool of claim 1, wherein: the inner walls of the conical section (101) and the cylindrical section (102) are in smooth transition.
7. The multi-layer V-seal installation tool of claim 1, wherein: the maximum inner diameter of the conical section (101) is 1.05-1.1 times of the diameter of the V-shaped seal (5).
8. The multi-layer V-seal installation tool of claim 4, wherein: the inner wall of the conical section (101) is provided with a ventilation groove (103) for exhausting air in the V-shaped sealing groove (6) in the sealing installation process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121023183.0U CN215589031U (en) | 2021-05-13 | 2021-05-13 | Multilayer V-shaped sealing installation tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121023183.0U CN215589031U (en) | 2021-05-13 | 2021-05-13 | Multilayer V-shaped sealing installation tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215589031U true CN215589031U (en) | 2022-01-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121023183.0U Active CN215589031U (en) | 2021-05-13 | 2021-05-13 | Multilayer V-shaped sealing installation tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215589031U (en) |
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2021
- 2021-05-13 CN CN202121023183.0U patent/CN215589031U/en active Active
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