CN211599534U - Floating integrated mechanical sealing device for high-pressure ash water pump - Google Patents
Floating integrated mechanical sealing device for high-pressure ash water pump Download PDFInfo
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- CN211599534U CN211599534U CN201922181510.4U CN201922181510U CN211599534U CN 211599534 U CN211599534 U CN 211599534U CN 201922181510 U CN201922181510 U CN 201922181510U CN 211599534 U CN211599534 U CN 211599534U
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- seat
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Abstract
The utility model discloses high pressure buck is with floating integrated form mechanical seal device that adorns, its main characterized in that: the inner end surface of the annular movable ring is attached to and matched with the plane of the outer end surface of the movable ring seat, an O-shaped movable ring sealing ring is arranged on the inner end surface of the annular movable ring, the movable ring seat is in transmission connection with the movable ring through clearance fit of a transmission sleeve, the movable ring is installed in a floating mode, and the stress of the movable ring is balanced; simultaneously quiet ring and the quiet ring seat tang platform clearance fit of gland to being furnished with quiet ring seal circle at quiet ring rear end, making quiet ring also be the installation of floating, making rotating ring and quiet ring cooperation terminal surface float, can effectually reducing the influence of pressure and temperature, enduring high temperature and high pressure operating mode condition, effectual assurance mechanical seal's life.
Description
Technical Field
The utility model relates to a mechanical seal device, especially a be applicable to that the transport medium is a float dress integrated form mechanical seal device of high-pressure grey water pump to improve mechanical seal's life, simple to operate.
Background
The specific structure of the mechanical sealing device is specifically changed according to the use working condition so as to meet different use working conditions.
The spring type mechanical seal applied to the high-pressure ash water pump containing the granular medium in the prior art has the advantages that the end face of the mechanical seal is quickly abraded under the high-pressure ash water pump containing the granular medium, the leakage amount is large, the service life of the mechanical seal is seriously influenced, the working efficiency of production is influenced, and the maintenance cost of a user is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a float dress integrated form mechanical seal device that is applicable to the grey water pump that the transport medium contains the granule for the high pressure. The floating mechanical sealing device is especially suitable for the working conditions that the pressure is less than or equal to 10Mpa, the temperature is less than or equal to 176 ℃, the rotating speed is less than or equal to 6000RPM and the medium contains particles.
The utility model discloses constitute by the fixed subassembly of rotating ring subassembly, quiet ring subassembly, axle sleeve, gland, axle sleeve.
The movable ring component consists of a movable ring, a movable ring seat, a movable ring sealing ring, a movable ring transmission sleeve, a movable ring sliding sealing ring, a sliding sealing ring retainer ring, a push ring, a spring box, a compensation spring, a transmission pin and a set screw.
The left end surface of the circular movable ring is matched with the right end surface plane of the movable ring seat in an attached manner, and the O-shaped movable ring sealing ring is arranged in a sealing ring mounting groove formed in the right end surface of the movable ring seat; the left end of the movable ring is provided with a movable ring left end outer spigot platform, the right end of the movable ring seat is provided with a movable ring seat right end outer spigot platform, the diameters of the movable ring left end outer spigot platform and the movable ring seat right end outer spigot platform are the same, the movable ring transmission sleeve is installed on the shaft surfaces of the movable ring left end outer spigot platform and the movable ring seat right end outer spigot platform in a clearance fit mode, the inner ring surface of the movable ring transmission sleeve is matched with the shaft surfaces of the movable ring left end outer spigot platform and the movable ring seat right end outer spigot platform through concave-convex grooves distributed on the circumference, and the movable ring seat transmits the movable ring through the movable ring transmission sleeve.
A first inner spigot platform is arranged at the left end of the movable ring seat, and the shaft surface of the first inner spigot platform arranged at the left end of the movable ring seat is in sliding fit with the outer circular surface of the shaft sleeve; and a second inner spigot platform is arranged at the left end of the movable ring seat, and a movable ring sliding sealing ring and a sliding sealing ring check ring are arranged in the second inner spigot platform arranged at the left end of the movable ring seat.
The push ring is installed on the outer circular surface of the shaft sleeve at the left end of the movable ring seat in a sliding fit mode, an inner rabbet platform at the right end of the push ring is arranged at the right end of the push ring, and the inner rabbet platform at the right end of the push ring and the outer circular surface at the left end of the movable ring seat are matched through concave-convex grooves distributed circumferentially to drive the movable ring seat.
The spring box is arranged on an outer opening at the left end of the shaft sleeve, which is arranged on the left end part of the shaft sleeve in a matching way, and the spring box is tightly connected with the shaft sleeve through a tightening screw.
The spring box comprises a spring box body, a spring box base, a spring box push ring seat, a spring box push ring, a compensation spring, a transmission pin and a compensation spring, wherein the spring box body is provided with a spring seat concave hole in a circumferential uniform distribution mode on the right end face of the spring box, the compensation spring is installed in the spring seat concave hole formed in the right end face of the spring box, the right end of the compensation spring acts on the left end face of the push ring, the compensation spring pushes the movable ring seat and the movable ring to perform axial elastic compensation through.
The static ring component consists of a static ring, a static ring anti-rotation pin and a static ring sealing ring.
The right end part of the static ring is in clearance fit installation with a static ring seat spigot platform arranged on the gland, and an O-shaped static ring sealing ring is arranged in a sealing ring installation groove arranged on the vertical end surface of the gland static ring seat spigot platform; and a static ring anti-rotation pin is arranged between the static ring seat spigot platform of the gland and the right part of the static ring.
The shaft sleeve fixing component is arranged and installed on the right end part of the shaft sleeve outside the gland.
The movable ring of the utility model is in a pure circular ring shape, the movable ring is installed with the movable ring seat in a floating way through the movable ring transmission sleeve and the movable ring sealing ring, and the stress of the movable ring is balanced; meanwhile, the static ring is in clearance fit with a spigot platform of a static ring seat of the gland, and a static ring sealing ring is arranged at the rear end of the static ring, so that the static ring is also in floating installation, the matching end surfaces of the dynamic ring and the static ring float, the matching state of the dynamic ring and the static ring end surfaces is not influenced by pressure and temperature, and the static ring can well bear the working conditions of high temperature and high pressure; in the running process, the dynamic and static ring keeps a floating form, so that the influence of pressure and temperature on the dynamic and static ring pieces can be effectively reduced; the service life of the mechanical seal is effectively guaranteed, and the maintenance times and the maintenance cost of a user are reduced.
The utility model discloses the accuracy of sealed operating condition can be guaranteed to integrated form structure, and simple to operate is swift, eliminates the people for installation error.
The utility model discloses rotating ring and quiet ring adopt hard to hard material, can be used for the operating mode that contains the granule medium to use, guarantee sealed end durability and guarantor life-span. Is especially suitable for the working conditions that the pressure is less than or equal to 10Mpa, the temperature is less than or equal to 176 ℃, and the rotating speed is less than or equal to 6000 RPM.
Drawings
FIG. 1 is a schematic view of the embodiment of the present invention
FIG. 2 is a sectional view taken along line A-A of FIG. 1
Fig. 3 is a sectional view B-B of fig. 1.
Detailed Description
The utility model discloses constitute by the fixed subassembly of rotating ring subassembly, quiet ring subassembly, axle sleeve, gland, axle sleeve.
The movable ring assembly comprises a movable ring 10, a movable ring seat 11, a movable ring sealing ring 12, a movable ring transmission sleeve 13, a movable ring sliding sealing ring 14, a sliding sealing ring retainer ring 15, a push ring 16, a spring box 17, a compensation spring 18, a transmission pin 19 and a set screw 171.
The left end face of the circular movable ring 10 is matched with the right end face plane of the movable ring seat 11 in an attached manner, and the O-shaped movable ring sealing ring 12 is arranged in a sealing ring mounting groove 110 formed in the right end face of the movable ring seat; the left end of the moving ring 10 is provided with a moving ring left end outer spigot platform 101, the right end of the moving ring seat 11 is provided with a moving ring seat right end outer spigot platform 112, the diameters of the moving ring left end outer spigot platform 101 and the moving ring seat right end outer spigot platform 112 are the same, the moving ring transmission sleeve 13 is installed on the axial surfaces of the moving ring left end outer spigot platform 101 and the moving ring seat right end outer spigot platform 112 in a clearance fit mode, the inner annular surface of the moving ring transmission sleeve 13 is matched with the axial surfaces of the moving ring left end outer spigot platform and the moving ring seat right end outer spigot platform through first concave-convex grooves A distributed circumferentially, and the moving ring seat 11 transmits the moving ring 10 to rotate together through the moving ring transmission sleeve 13.
A first inner spigot 113 platform is arranged at the left end of the movable ring seat 11, and the axial surface of the first inner spigot platform 113 arranged at the left end of the movable ring seat 11 is in sliding fit with the outer circular surface of the shaft sleeve 2; a second inner spigot platform 114 is arranged at the left end of the movable ring seat 11, and a movable ring sliding seal ring 14 and a sliding seal ring retainer ring 15 are arranged in the second inner spigot platform 114 arranged at the left end of the movable ring seat 11.
The push ring 16 is installed on the outer circular surface of the shaft sleeve 2 at the left end of the moving ring seat 11 in a sliding fit manner, the right end of the push ring 16 is provided with a push ring right end inner spigot platform 161, and the push ring right end inner spigot platform 161 and the outer circular surface at the left end of the moving ring seat 11 are matched with a second concave-convex groove B distributed on the circumference to drive the moving ring seat 11 to rotate together.
The spring box 17 is installed on the left end outer spigot 21 of the shaft sleeve arranged on the left end part of the shaft sleeve 2 through the inner ring surface in a matching way, and the spring box 17 is tightly connected with the shaft sleeve 2 through a tightening screw 171.
Spring seat concave holes 173 are uniformly distributed on the upper circumference of the right end face of the spring box 17, the compensation spring 18 is installed in the spring seat concave hole 173 formed on the right end face of the spring box 17, the right end of the compensation spring 18 acts on the left end face of the push ring 16, and the compensation spring 18 pushes the movable ring seat 11 and the movable ring 10 through the push ring 16 to perform axial elastic compensation; a driving pin 19 is distributed between the spring box 17 and the push ring 16 to drive the push ring 16 to rotate together.
The static ring component consists of a static ring 3, a static ring anti-rotation pin 31 and a static ring sealing ring 32.
The right end part of the static ring 3 is in clearance fit installation with a static ring seat spigot platform 41 arranged on the gland 4, and an O-shaped static ring sealing ring 32 is arranged in a sealing ring installation groove 411 arranged on the vertical end surface of the gland static ring seat spigot platform 41; a stationary ring rotation preventing pin 31 is provided between the stationary ring seat spigot step 41 of the gland 4 and the right portion of the stationary ring 3.
The shaft sleeve fixing assembly comprises an expansion ring 51, a left side extrusion ring 52, a right side extrusion ring 53, an extrusion connecting bolt 54 and a limit plate 55. The structure and the connection installation of the shaft sleeve fixing component are the same as those of the prior art, namely, an expansion ring 51 is installed on the right end part of the shaft sleeve 2 outside the gland 4, a left side extrusion ring 52 and a right side extrusion ring 53 are respectively installed at the left end and the right end of the expansion ring 51, the left side extrusion ring 52 and the right side extrusion ring 53 tension and extrude the expansion ring 51 towards the central part by an extrusion connecting bolt 54, and the expansion ring 51 contracts and extrudes the shaft sleeve 2, so that the right end part of the shaft sleeve 2 is tightly held and fixed on the; the limiting plate 55 fixed on the gland 4 through screws is matched with a positioning groove formed in the outer circular surface of the shaft sleeve 2 to axially position the shaft sleeve 2 and the main shaft, so that the moving ring component, the static ring component, the shaft sleeve and the gland are integrated together.
Claims (1)
1. High pressure buck is integrated form mechanical seal device of dress that floats for pump, by rotating ring subassembly, quiet ring subassembly, axle sleeve, gland, the fixed subassembly of axle sleeve constitute characterized by:
the movable ring component consists of a movable ring, a movable ring seat, a movable ring sealing ring, a movable ring transmission sleeve, a movable ring sliding sealing ring, a sliding sealing ring retainer ring, a push ring, a spring box, a compensation spring, a transmission pin and a set screw;
the left end surface of the circular movable ring is matched with the right end surface plane of the movable ring seat in an attached manner, and the O-shaped movable ring sealing ring is arranged in a sealing ring mounting groove formed in the right end surface of the movable ring seat; the left end of the movable ring is provided with a movable ring left end external spigot platform, the right end of the movable ring seat is provided with a movable ring right end external spigot platform, the diameters of the movable ring left end external spigot platform and the movable ring seat right end external spigot platform are the same, a movable ring transmission sleeve is arranged on the shaft surfaces of the movable ring left end external spigot platform and the movable ring seat right end external spigot platform in a clearance fit manner, the inner ring surface of the movable ring transmission sleeve is matched with the shaft surfaces of the movable ring left end external spigot platform and the movable ring seat right end external spigot platform through concave-convex grooves distributed on the circumference, and the movable ring seat is used for transmitting the movable ring through the movable ring transmission sleeve;
a first inner spigot platform is arranged at the left end of the movable ring seat, and the shaft surface of the first inner spigot platform arranged at the left end of the movable ring seat is in sliding fit with the outer circular surface of the shaft sleeve; a second inner spigot platform is arranged at the left end of the movable ring seat, and a movable ring sliding sealing ring and a sliding sealing ring check ring are arranged in the second inner spigot platform arranged at the left end of the movable ring seat;
the push ring is arranged on the outer circular surface of the shaft sleeve at the left end of the movable ring seat in a sliding fit manner, the right end of the push ring is provided with a push ring right end inner spigot platform, and the push ring right end inner spigot platform and the outer circular surface at the left end of the movable ring seat are matched with and drive the movable ring seat through concave-convex grooves which are distributed circumferentially;
the spring box is arranged on an outer opening at the left end of the shaft sleeve, which is arranged on the left end part of the shaft sleeve in a matching way, and the spring box is tightly connected with the shaft sleeve through a tightening screw;
spring seat concave holes are uniformly distributed on the upper circumference of the right end face of the spring box, the compensating springs are installed in the spring seat concave holes formed in the right end face of the spring box, the right end of the compensating springs acts on the left end face of the push ring, and the compensating springs push the movable ring seat and the movable ring through the push ring to perform axial elastic compensation; a transmission pin is circumferentially distributed between the spring box and the push ring to drive the push ring to rotate;
the static ring component consists of a static ring, a static ring anti-rotation pin and a static ring sealing ring;
the right end part of the static ring is in clearance fit installation with a static ring seat spigot platform arranged on the gland, and an O-shaped static ring sealing ring is arranged in a sealing ring installation groove arranged on the vertical end surface of the gland static ring seat spigot platform; a static ring anti-rotation pin is arranged between a static ring seat spigot platform of the gland and the right part of the static ring;
the shaft sleeve fixing component is arranged and installed on the right end part of the shaft sleeve outside the gland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922181510.4U CN211599534U (en) | 2019-12-07 | 2019-12-07 | Floating integrated mechanical sealing device for high-pressure ash water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922181510.4U CN211599534U (en) | 2019-12-07 | 2019-12-07 | Floating integrated mechanical sealing device for high-pressure ash water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211599534U true CN211599534U (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922181510.4U Active CN211599534U (en) | 2019-12-07 | 2019-12-07 | Floating integrated mechanical sealing device for high-pressure ash water pump |
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| CN (1) | CN211599534U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110864116A (en) * | 2019-12-07 | 2020-03-06 | 丹东锦达密封有限公司 | Floating integrated mechanical sealing device for high-pressure ash water pump |
-
2019
- 2019-12-07 CN CN201922181510.4U patent/CN211599534U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110864116A (en) * | 2019-12-07 | 2020-03-06 | 丹东锦达密封有限公司 | Floating integrated mechanical sealing device for high-pressure ash water pump |
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