CN210623181U - Sealing device for booster water injection pump - Google Patents
Sealing device for booster water injection pump Download PDFInfo
- Publication number
- CN210623181U CN210623181U CN201921012800.XU CN201921012800U CN210623181U CN 210623181 U CN210623181 U CN 210623181U CN 201921012800 U CN201921012800 U CN 201921012800U CN 210623181 U CN210623181 U CN 210623181U
- Authority
- CN
- China
- Prior art keywords
- pressure boost
- cover
- water injection
- circle
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Sealing Devices (AREA)
Abstract
A sealing device for a booster water injection pump relates to the technical field of booster water injection pumps. It contains solid fixed ring, elasticity pressure boost cover, blind flange, gu fixed cover is established on the rotation axis, gu fixed ring right side is equipped with the cover and establishes the elasticity pressure boost cover in the rotation axis, elasticity pressure boost cover right side is equipped with the cover and establishes the blind flange in the rotation axis, elasticity pressure boost cover contains position circle and friction circle, position circle right side and blind flange fixed connection, friction circle left side and solid fixed ring laminating are in the same place, be equipped with the pressure boost cavity between friction circle and the position circle, be equipped with two pressure boost boards in the pressure boost cavity, all be equipped with the elastic component between two pressure boost boards and position circle and the friction circle, be provided with the pressure boost ball between two pressure boost boards. It replaces oil blanket seal through mechanical seal, and the pivoted speed is faster when the bent axle is rotatory, and pressure boost ball can exert stronger pressure to the pressure boost board for sealing device's sealing performance is good, energy-conservation, maintenance work load is little, long service life.
Description
Technical Field
The utility model relates to a booster water injection pump technical field, concretely relates to booster water injection pump sealing device.
Background
The types of the booster water injection pumps used in various oil fields at home are many, including 3H-8/45 type, 3YPI-8/450 type, ZYT32Y-8/37 type, 3Z-8/450 type and the like.
At present, the sealed of booster water injection pump bent axle adopts the rubber frame oil blanket to seal more, because booster water injection pump is all at high pressure, long-term continuous operation under the condition of heavy load, the temperature is higher in the pump body, the oil blanket is easily ageing under the high temperature, make each part wearing and tearing of pump accelerate, the bent axle clearance increases, lubricating oil leaks, each part of pump is not good often to shut down because of the lubrication, can not guarantee water injection pump normal operating, need to drop into a large amount of manpowers, material resources carry out unscheduled restoration and adjustment, the adjustment is once, the face position change that running-in is once, the life of pump shortens once, so not only the maintenance cost increases at double, and workman intensity of labour is big, low working efficiency, the polluted environment still.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide a booster water injection pump sealing device, it is sealed through mechanical seal replacement oil blanket, and the bent axle is when rotatory, and the pivoted speed is faster, and stronger pressure can be applyed to the pressure boost board to the pressure boost ball for sealing device's sealing performance is good, energy-conservation, maintenance work load is little, long service life.
In order to achieve the above purpose, the utility model adopts the following technical scheme: it contains solid fixed ring, elasticity pressure boost cover, blind flange, gu fixed cover is established on the rotation axis, gu fixed ring's right side is provided with the cover and establishes the elasticity pressure boost cover in the rotation axis, the right side of elasticity pressure boost cover is provided with the cover and establishes the blind flange in the rotation axis, elasticity pressure boost cover contains position circle and friction circle, the right side and the blind flange fixed connection of position circle, the left side and the solid fixed ring laminating of friction circle are in the same place, be provided with the pressure boost cavity between friction circle and the position circle, be provided with two pressure boost boards in the pressure boost cavity, all be provided with the elastic component between two pressure boost boards and position circle and the friction circle, be provided with the pressure boost ball between two.
Further, the distance between the two pressurizing plates is gradually reduced from bottom to top.
Furthermore, a plurality of pressurizing cavities are uniformly distributed around the circle center of the elastic pressurizing sleeve.
Furthermore, a first sealing ring groove is formed in the inner step hole of the flange cover, and a first sealing ring is arranged in the first sealing ring groove.
Furthermore, a convex pin is arranged on a baffle plate of the inner step hole of the flange cover, and the elastic pressurizing sleeve is connected with the convex pin in a matching way through a concave pit on the end face of the outer side of the positioning ring.
Furthermore, a second sealing ring groove is formed in an inner hole of the fixing ring, and a second sealing ring is arranged in the second sealing ring groove.
Furthermore, a positioning screw hole fixedly connected with the rotating shaft is formed in the fixing ring.
Furthermore, the contact surface of the friction ring and the fixed ring is a hard alloy surface.
Further, the first sealing ring and the second sealing ring are both O-shaped rubber sealing rings.
The utility model discloses a theory of operation: when the pump output shaft is assembled, the fixing ring is arranged at the positioning position of the rotating shaft and is fastened through the positioning screw, the O-shaped rubber sealing ring in the fixing ring is tightly pressed on the rotating shaft, the elastic pressurizing sleeve is sleeved on the rotating shaft, the hard alloy surface of the friction ring on the elastic pressurizing sleeve is tightly attached and pressed on the hard alloy surface of the fixing ring, the positioning ring of the elastic pressurizing sleeve is arranged in the stepped hole of the flange cover, the concave pit on the outer end surface of the positioning ring is arranged on the convex pin on the baffle plate of the flange cover, the outer diameter of the positioning ring is pressed on the O-shaped rubber sealing ring in the flange cover, and the flange cover is tightly fixed at the output shaft end of the pump.
When the water injection pump works, the rotating shaft rotates rapidly, the pressurizing ball in the elastic pressurizing sleeve moves towards the outside under the action of centrifugal force, so that the pressurizing ball applies pressure to the pressurizing plate, the pressurizing plate applies pressure to the friction ring through the elastic part, the hard alloy surface of the friction ring and the hard alloy surface of the fixing ring are tightly attached and pressed together, the rotating speed of the rotating shaft is faster, the pressure is higher, the sealing device has a good sealing effect, and lubricating oil cannot leak.
After the technical scheme is adopted, the utility model discloses beneficial effect does: its simple structure, reasonable in design replaces oil blanket seal through mechanical seal, and the bent axle is when rotatory, and pivoted speed is faster, and pressure boost ball can exert stronger pressure to the pressure boost board for sealing device's sealing performance is good, energy-conservation, maintenance work load is little, long service life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of the elastic pressurizing sleeve of the present invention;
fig. 3 is a schematic structural view of another angle of the elastic pressurizing sleeve of the present invention.
Description of reference numerals: the device comprises a fixing ring 1, an elastic pressurizing sleeve 2, a flange cover 3, a rotating shaft 4, a second sealing ring groove 11, a second sealing ring 12, a positioning screw hole 13, a positioning ring 21, a friction ring 22, a pressurizing cavity 23, a pressurizing plate 24, an elastic piece 25, a pressurizing ball 26, a first sealing ring groove 31, a first sealing ring 32 and a convex pin 33.
Detailed Description
Referring to fig. 1 to fig. 3, the technical solution adopted by the present embodiment is: it comprises a fixing ring 1, an elastic pressurizing sleeve 2 and a flange cover 3, wherein the fixing sleeve of the fixing ring 1 is arranged on a rotating shaft 4, the right side of the fixing ring 1 is provided with an elastic pressurizing sleeve 2 which is arranged on the rotating shaft 4 in a sleeved mode, the right side of the elastic pressurizing sleeve 2 is provided with the flange cover 3 which is arranged on the rotating shaft 4 in a sleeved mode, the elastic pressurizing sleeve 2 comprises a positioning ring 21 and a friction ring 22, the right side of the positioning ring 21 is fixedly connected with the flange cover 3, the left side of the friction ring 22 is attached to the fixing ring 1, a pressurizing cavity 23 is arranged between the friction ring 22 and the positioning ring 21, two pressurizing plates 24 are arranged in the pressurizing cavity 23, the distance between the two pressurizing plates 24 is gradually reduced from bottom to top, elastic parts 25 are arranged between the two pressurizing plates 24 and the positioning ring 21 as well as between the friction ring 22, the rotation shaft 4 is rotated rapidly, the pressurizing ball 26 in the elastic pressurizing sleeve 2 moves to the outside by the centrifugal force, the pressurizing ball 26 compresses the elastic member by gradually pressing the pressurizing plate 24, and the pressurizing plate 24 applies pressure to the friction ring 22 through the elastic member 25.
A plurality of pressurizing cavities 23 are uniformly distributed around the circle center of the elastic pressurizing sleeve 2, and concretely, fifteen pressurizing cavities 23 are uniformly distributed around the circle center of the elastic pressurizing sleeve 2.
A first seal ring groove 31 is formed in the inner step hole of the flange cover 3, and a first seal ring 32 is arranged in the first seal ring groove 31. The first seal ring 32 is an O-ring rubber seal ring.
And a convex pin 33 is arranged on a baffle plate of the inner step hole of the flange cover 3, and the elastic pressurizing sleeve 2 is connected with the convex pin 33 in a matching way through a concave pit on the end surface of the outer side of the positioning ring 21. The elastic pressurizing sleeve 2 and the flange cover 3 are ensured to be effectively installed in a matched mode.
A second sealing ring groove 11 is formed in an inner hole of the fixing ring 1, and a second sealing ring 12 is arranged in the second sealing ring groove 11. The second sealing ring 12 is an O-shaped rubber sealing ring.
And the fixing ring 1 is provided with a positioning screw hole 13 fixedly connected with the rotating shaft 4. The fixing ring 1 is fixedly connected with the rotating shaft 4 through a positioning screw hole 13.
The friction ring with the contact surface of solid fixed ring is the hard alloy face, and the contact surface adopts the hard alloy face, effectively prolongs sealing device's life.
When implemented in practice
When the sealing device is installed, the fixing ring 1 is firstly installed at the positioning position of the rotating shaft 4 and is fastened through the positioning screw 13, the O-shaped rubber sealing ring in the fixing ring 1 is tightly pressed on the rotating shaft 4, the elastic pressurizing sleeve 2 is sleeved on the rotating shaft 4, the hard alloy surface of the friction ring 22 on the elastic pressurizing sleeve 2 is tightly attached and pressed on the hard alloy surface of the fixing ring 1, the positioning ring 21 of the elastic pressurizing sleeve 2 is installed in the step hole of the flange cover 3, the concave pit on the outer end surface of the positioning ring 21 is installed on the convex pin 33 on the baffle of the flange cover 3, the outer diameter of the positioning ring 21 is extruded on the O-shaped rubber sealing ring in the flange cover 3, and the flange cover 3 is fastened at the output shaft end of the pump through the fastening bolt.
When the water injection pump works, the rotating shaft 4 rotates rapidly, the pressurizing ball 26 in the elastic pressurizing sleeve 2 moves outwards under the action of centrifugal force, so that the pressurizing ball 26 applies pressure to the pressurizing plate 24, the pressurizing plate 24 applies pressure to the friction ring 22 through the elastic piece 25, the hard alloy surface of the friction ring 22 and the hard alloy surface of the fixing ring 1 are tightly attached and pressed together, the faster the rotating speed of the rotating shaft 4 is, the higher the pressure is, so that the sealing device has a good sealing effect, and lubricating oil cannot leak.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. The utility model provides a booster water injection pump sealing device which characterized in that: it contains solid fixed ring, elasticity pressure boost cover, blind flange, gu fixed cover is established on the rotation axis, gu fixed ring's right side is provided with the cover and establishes the elasticity pressure boost cover in the rotation axis, the right side of elasticity pressure boost cover is provided with the cover and establishes the blind flange in the rotation axis, elasticity pressure boost cover contains position circle and friction circle, the right side and the blind flange fixed connection of position circle, the left side and the solid fixed ring laminating of friction circle are in the same place, be provided with the pressure boost cavity between friction circle and the position circle, be provided with two pressure boost boards in the pressure boost cavity, all be provided with the elastic component between two pressure boost boards and position circle and the friction circle, be provided with the pressure boost ball between two.
2. The water injection booster pump seal according to claim 1, wherein: the distance between the two pressurizing plates is gradually reduced from bottom to top.
3. The water injection booster pump seal according to claim 1, wherein: a plurality of pressurizing cavities are uniformly distributed around the circle center of the elastic pressurizing sleeve.
4. The water injection booster pump seal according to claim 1, wherein: a first sealing ring groove is formed in the inner step hole of the flange cover, and a first sealing ring is arranged in the first sealing ring groove.
5. The water injection booster pump seal according to claim 1, wherein: and a convex pin is arranged on a baffle plate of the inner step hole of the flange cover, and the elastic pressurizing sleeve is matched and connected with the convex pin through a concave pit on the end surface of the outer side of the positioning ring.
6. The water injection booster pump seal according to claim 1, wherein: and a second sealing ring groove is formed in the inner hole of the fixing ring, and a second sealing ring is arranged in the second sealing ring groove.
7. The water injection booster pump seal according to claim 1, wherein: and the fixing ring is provided with a positioning screw hole fixedly connected with the rotating shaft.
8. The water injection booster pump seal according to claim 1, wherein: the contact surface of the friction ring and the fixed ring is a hard alloy surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921012800.XU CN210623181U (en) | 2019-06-30 | 2019-06-30 | Sealing device for booster water injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921012800.XU CN210623181U (en) | 2019-06-30 | 2019-06-30 | Sealing device for booster water injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210623181U true CN210623181U (en) | 2020-05-26 |
Family
ID=70758332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921012800.XU Expired - Fee Related CN210623181U (en) | 2019-06-30 | 2019-06-30 | Sealing device for booster water injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210623181U (en) |
-
2019
- 2019-06-30 CN CN201921012800.XU patent/CN210623181U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210623181U (en) | Sealing device for booster water injection pump | |
| CN2483560Y (en) | Pressure-compensation type radical sealing device | |
| CN201106576Y (en) | Apparatus for sealing centrifugal pump mouth loop | |
| CN203948290U (en) | Mechanical seal device | |
| CN201187514Y (en) | Washer of seal bolt | |
| CN100504072C (en) | Centrifugal pump mouth ring sealing device | |
| CN107956878B (en) | Peripheral wave-shaped sealing ring mechanical seal | |
| CN113431802B (en) | External oil feeding and discharging device of large submersible tubular pump | |
| CN216216181U (en) | An ice maker motor installation device | |
| CN201031813Y (en) | Spring mechanical sealing member with helical burr pump effect | |
| CN206410150U (en) | Submerged slag conveyor external bearings Mechanical Sealed Type inner guide pulley device | |
| CN216157845U (en) | Piston connecting rod of oil-free air compressor | |
| CN205780349U (en) | A kind of turnplate bearing of wind power generator sealing ring | |
| CN110307298B (en) | A mechanical dynamic seal device based on planetary gear mechanism | |
| CN203979713U (en) | Large flow water cooling whirligig | |
| CN212272626U (en) | Packing gland of slurry pump | |
| CN211737971U (en) | Compound roller movable tooth reducer with shaft end seal | |
| CN108167441B (en) | Main shaft sealing and fog absorbing structure of generator | |
| CN2694003Y (en) | Mechanical sealing device for booster pump | |
| CN113479797A (en) | High-precision positioning circular telescopic arm structure for engineering machinery | |
| CN215980813U (en) | Novel waterproof dustproof ring for hydraulic cylinder | |
| CN215861745U (en) | Mechanical sealing device replacing framework oil seal | |
| CN211116231U (en) | Engine water pump mechanism capable of preventing coolant from leaking | |
| CN213176153U (en) | Special shaft of wear-resistant precision multistage centrifugal pump | |
| CN219159241U (en) | Corrosion-resistant and particle-resistant chemical pump sealing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200526 Termination date: 20210630 |