CN201934304U - Improved axial thrust bearing device of high pressure water-injection pump - Google Patents
Improved axial thrust bearing device of high pressure water-injection pump Download PDFInfo
- Publication number
- CN201934304U CN201934304U CN2011200107301U CN201120010730U CN201934304U CN 201934304 U CN201934304 U CN 201934304U CN 2011200107301 U CN2011200107301 U CN 2011200107301U CN 201120010730 U CN201120010730 U CN 201120010730U CN 201934304 U CN201934304 U CN 201934304U
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- ring
- thrust ball
- single direction
- transmission shaft
- ball bearing
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Abstract
The utility model relates to an improved axial thrust bearing device of a high pressure water-injection pump, wherein side-by-side one-way thrust ball bearings are arranged on the two sides of a middle spacer sleeve; side spacer sleeves are arranged between the side-by-side one-way thrust ball bearings on the two sides of the middle spacer sleeve and the gland bushes at the two ends of the middle spacer sleeve respectively; a transmission shaft corresponding to one side of a drive motor is provided with a round nut and a flat washer thereof, which are in threaded connection and are joint with a corresponding inner ring of the one-way thrust ball bearing in a set way; a stationary ring is provided with a spacing sleeve joint with the upper surface of the stationary ring, a check ring is arranged on the spacing sleeve, the check ring is used for supporting a spring propped against a stationary ring seat in the spacing sleeve, a rotating ring seat is fixed on the transmission shaft, and the stationary ring and the rotating ring form a plane seal pair. The mechanism enables the one-way thrust ball bearings to remain unmoved under the impact of the axial thrust of the water-injection pump, the spring replaces the original corrugated pipe in mechanical sealing, and the sealing performance is improved and the structure is simplified while the corrugated pipe is prevented from being broken due to torsion. The utility model has the outstanding advantages that the operating service lives of all the bearings of the bearing chamber are prolonged, and the sealing performance is reliable.
Description
Technical field
The utility model belongs to high pressure water-injection pump, particularly relates to the high pressure water-injection pump modified model axial force bearing device that use in the oil field.
Background technique
High pressure water-injection pump is made up of the water injection pump pump housing and axial force bearing device, the water injection pump pump housing is connected in drive motor by the axial force bearing device, and the bearing chamber and the combined labyrinth and carbon gland mechanism that are made of multistage single direction thrust ball bearing, cooling bunker that the axial force bearing device comprises transmission shaft, be installed on transmission shaft form.The effect of bearing chamber is elimination or alleviates the impact of the axial force of water injection pump pump housing running generation to drive motor, the effect of combined labyrinth and carbon gland mechanism is that bearing chamber and high pressure water passage are effectively isolated, and avoids high pressure water to the impact failure of bearing chamber with prevent high pressure water from revealing via the axial force bearing device and cause environmental pollution.
Be respectively equipped with interstage sleeve between each single direction thrust ball bearing of existing bearing chamber, each interstage sleeve is equipped with the via hole that is communicated with the cooling bunker, the gland at bearing chamber housing two ends is fixed interstage sleeve and each single direction thrust ball bearing thereof, two glands are supported with the supporting positive cover of bearing, the oil-through hole that the supporting positive cover setting is corresponding with each interstage sleeve via hole.
The model utility of the patent No. 200520027394.6 discloses a kind of unit loading type combined machine sealing mechanism that is used for above-mentioned axial force bearing device, this mechanism is sealed into feature with dynamic and static plane of a loop, specifically, sealing mechanism is provided with a housing, and transmission shaft runs through this housing, and housing one end is provided with supporting base, bellows one end is fixed in supporting base, the bellows the other end is fixed with stationary seat and stationary ring thereof, and the rotating ring that constitutes sealing pair with stationary ring is supported in rotating seat, and rotating seat is fixed in transmission shaft.
Above-mentioned axial force bearing device exists each single direction thrust ball bearing assembly precision to be difficult to guarantee and the easy defective that ruptures of the bellows of unit loading type combined machine sealing mechanism.
Summary of the invention
The utility model is to have the described technical problem that high pressure water-injection pump axial force bearing device exists now in order to solve, and proposes a kind of high pressure water-injection pump modified model axial force bearing device.
The utility model is taked following technological scheme for achieving the above object: this modified model axial force bearing device comprises the gland at bearing chamber housing and two ends thereof, transmission shaft and mechanical seal thereof, single direction thrust ball bearing, supporting positive cover and oil-through hole thereof, interstage sleeve and oil-through hole thereof, stationary seat and stationary ring thereof, rotating seat and rotating ring thereof, feature is, middle interstage sleeve both sides are respectively equipped with single direction thrust ball bearing arranged side by side, be respectively equipped with the side interstage sleeve between the gland at single direction thrust ball bearing that both sides are arranged side by side and bearing chamber housing two ends, transmission shaft is provided with round nut and the plain washer thereof that is threaded and engage with the tightening of corresponding single direction thrust ball bearing inner ring corresponding to drive motor one side, described stationary ring is provided with the stop collar that engages with its upper surface, stop collar is provided with back-up ring, back-up ring supports the spring that compresses stationary seat that is arranged in stop collar, rotating seat is fixed in transmission shaft, and rotating ring and stationary ring constitute the plane sealing pair.
The utility model can also be taked following technical measures:
Interstage sleeve both sides single direction thrust ball bearing quantity arranged side by side equates in the middle of described.
The beneficial effects of the utility model and advantage are: the single direction thrust ball bearing structure arranged side by side of this modified model axial force bearing device is keeping former gland, round nut and plain washer locking framework thereof have been increased on the basis of interstage sleeve and supporting positive cover technical measures, this mechanism can make single direction thrust ball bearing not be subjected to displacement under the water injection pump axial force is impacted, not only helping eliminating reliably axial force impacts, also help reducing the assembly error of each single direction thrust ball bearing, thereby reduced the operation temperature rise of single direction thrust ball bearing, made the operating life of each bearing be stabilized in 8000 hours.This modified model axial force bearing device has replaced former bellows by spring in the mechanical seal that is sealed into feature with dynamic and static plane of a loop, also improved sealability because of reversing when rupturing stopping bellows, and simplified the structure.The utlity model has and obviously to prolong each bearing working life-span of bearing chamber and the outstanding reliably advantage of sealability.
Description of drawings
Accompanying drawing 1 is the utility model embodiment 1 structure partial generalized section.
Number in the figure: 1 bearing chamber housing, 2 cooling bunkers, 3 supporting positive covers, interstage sleeve in the middle of 4 single direction thrust ball bearings, 5a, 5b side interstage sleeve, 6 glands, 7 transmission shafts, 8 mechanical seals, 9 round nuts, 10 plain washers, 11 middle cover, 12 back-up rings, 13 springs, 14 stop collars, 15 stationary rings, 16 rotating rings, 17 rotating seats.
Embodiment
Further specify the utility model below in conjunction with embodiment and accompanying drawing thereof.
Embodiment is a kind of modified model axial force bearing device of minitype high voltage water injection pump as shown in the figure, be provided with the single direction thrust ball bearing 4 of supporting shaft 7 in the bearing chamber housing 1 of this device, transmission shaft 7 two ends in the bearing chamber housing 1 are respectively equipped with mechanical seal 8, are cooling bunker 2 between bearing chamber housing 1 and the supporting positive cover 3.The left end of diagram transmission shaft 7 is connected in drive motor, and right-hand member is connected in high pressure water-injection pump, and bearing chamber is connected by the transition joint that comprises middle cover 11 with high pressure water-injection pump.
Embodiment as shown in the figure, the single direction thrust ball bearing 4 that middle interstage sleeve 5a both sides are respectively equipped with side by side and quantity equates, be respectively equipped with side interstage sleeve 5b between the gland 6 at single direction thrust ball bearing that both sides are arranged side by side and bearing chamber housing two ends, middle interstage sleeve 5a, side interstage sleeve 5b and supporting positive cover 3 are respectively equipped with oil-through hole one to one.Transmission shaft 7 is provided with round nut 9 and the plain washer 10 thereof that is threaded and engage with the tightening of corresponding single direction thrust ball bearing inner ring corresponding to drive motor one side.
Claims (2)
1. high pressure water-injection pump modified model axial force bearing device, the gland that comprises bearing chamber housing and two ends thereof, transmission shaft and mechanical seal thereof, single direction thrust ball bearing, supporting positive cover and oil-through hole thereof, interstage sleeve and oil-through hole thereof, stationary seat and stationary ring thereof, rotating seat and rotating ring thereof, it is characterized in that: middle interstage sleeve both sides are respectively equipped with single direction thrust ball bearing arranged side by side, be respectively equipped with the side interstage sleeve between the gland at single direction thrust ball bearing that both sides are arranged side by side and bearing chamber housing two ends, transmission shaft is provided with round nut and the plain washer thereof that is threaded and engage with the tightening of corresponding single direction thrust ball bearing inner ring corresponding to drive motor one side, described stationary ring is provided with the stop collar that engages with its upper surface, stop collar is provided with back-up ring, back-up ring supports the spring that compresses stationary seat that is arranged in stop collar, rotating seat is fixed in transmission shaft, and rotating ring and stationary ring constitute the plane sealing pair.
2. modified model axial force bearing device according to claim 1 is characterized in that: interstage sleeve both sides single direction thrust ball bearing quantity arranged side by side equates in the middle of described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200107301U CN201934304U (en) | 2011-01-14 | 2011-01-14 | Improved axial thrust bearing device of high pressure water-injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200107301U CN201934304U (en) | 2011-01-14 | 2011-01-14 | Improved axial thrust bearing device of high pressure water-injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201934304U true CN201934304U (en) | 2011-08-17 |
Family
ID=44445823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200107301U Expired - Lifetime CN201934304U (en) | 2011-01-14 | 2011-01-14 | Improved axial thrust bearing device of high pressure water-injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201934304U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133346A (en) * | 2013-03-18 | 2013-06-05 | 临海市谭氏真空设备有限公司 | Scroll vacuum pump |
| CN103216467A (en) * | 2013-05-10 | 2013-07-24 | 天津荣亨集团股份有限公司 | Novel multilevel horizontal centrifugal pump |
-
2011
- 2011-01-14 CN CN2011200107301U patent/CN201934304U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133346A (en) * | 2013-03-18 | 2013-06-05 | 临海市谭氏真空设备有限公司 | Scroll vacuum pump |
| CN103216467A (en) * | 2013-05-10 | 2013-07-24 | 天津荣亨集团股份有限公司 | Novel multilevel horizontal centrifugal pump |
| CN103216467B (en) * | 2013-05-10 | 2016-08-10 | 天津荣亨集团股份有限公司 | A kind of multistage horizontal centrifugal pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Tianjin Lutai Precision Casting Co., Ltd. Assignor: Tianjin Rongheng Group Co., Ltd. Contract record no.: 2012120000097 Denomination of utility model: Improved axial thrust bearing device of high pressure water-injection pump Granted publication date: 20110817 License type: Exclusive License Record date: 20121231 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110817 |
|
| CX01 | Expiry of patent term |