CN204003577U - A kind of self cooling circulation axial force bearing device for horizontal pump - Google Patents
A kind of self cooling circulation axial force bearing device for horizontal pump Download PDFInfo
- Publication number
- CN204003577U CN204003577U CN201420445782.5U CN201420445782U CN204003577U CN 204003577 U CN204003577 U CN 204003577U CN 201420445782 U CN201420445782 U CN 201420445782U CN 204003577 U CN204003577 U CN 204003577U
- Authority
- CN
- China
- Prior art keywords
- bearing
- cavity volume
- thrust bearing
- axial force
- transmission shaft
- 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
Landscapes
- Sliding-Contact Bearings (AREA)
Abstract
The utility model discloses self cooling circulation axial force bearing device for a kind of horizontal pump, comprise the transmission shaft being connected with described pump shaft, on described transmission shaft, be socketed successively from left to right link, thrust bearing unit and afterbody end cap; Thrust bearing unit comprises the front axle bearing arraying from left to right and anterior bearing, slide block, thrust bearing sector unit, thrust bearing bracket, the rear axle bearing coordinating with it; Thrust bearing bracket right-hand member is provided with curved surface round platform, and the left side of rear axle bearing is provided with the concave surface matching with curved surface round platform; Between front axle bearing and rear axle bearing, be radially from inside to outside connected with successively lubricating sleeve and coolant jacket, and from inside to outside form successively lubricated cavity volume and cooling cavity volume; Cooling liquid circulates in cooling cavity volume and between suction flange.The utility model can carry axial force, realize in cooling cavity volume and pump body between from cool cycles, improved working life and the using scope of loader.
Description
Technical field
The utility model relates to a kind of pump, particularly self cooling circulation axial force bearing device for a kind of horizontal pump.
Background technique
Pump is widely used in the every field of industry, agricultural, in the national economic development, plays an important role.At present, the centrifugal high pressure water-injection pump of horizontal multi-stage is for fields such as oil field long distance feedwater, down-hole pressure water injection.Pump is in operation process, and on pump shaft, effect has axial force conventionally, and this power pulls rotor axial to move, and therefore must manage balance or eliminate axial force just to make pump normally work.Be commonly used at present on pump Equilibrator kind more, as balancing drum, Balance disc, equalizing orifice etc.For multistage high-pressure pump, in pump, total axial force is larger, is even more important therefore balancing axial thrust problem seems.At present conventional balancing axial thrust method has six kinds: 1. the back-to-back layout balance of impeller; The pump structure complexity of applying this kind of method, manufacture cost is high; 2. balance cylinder is established at the impeller back side; The axial force of this method balance is not thorough, has remnants, and use can cause accumulation residual axial force excessive in multistage pump; 3. after impeller, add balancing drum; The axial force of this method balance is not thorough, and it is excessive that in multistage pump, use can cause accumulation residual axial force; 4. impeller back shroud is established Balance disc; This kind of method is higher to the designing requirement of Balance disc, and in different pumps, needs to use different Balance discs; 5. after impeller, add balancing drum, Balance disc, gimbal combined unit; Design and installation complexity, reliability is low; 6. add stabilized pressure pump; The axial force of this kind of method is mainly to carry by bearing in motor, and stabilized pressure pump spoilage is high, the poor reliability of complete machine group.In above six kinds of balancing axial thrust methods all in various degree exist manufacture complicated, maintenance difficult, reliability is low, axial force balance weak effect, thermal discharge is high, manufactures the variety of problems such as installation cost height.Tradition loader inner utilization rolling bearing and sliding bearing be used in combination to bear axial force, in running, exist thermal discharge high, the life-span is short, axial force and radial force low bearing capacity cannot carry out the problems such as secondary maintenance.
Summary of the invention
The utility model provides a kind of and can solve pump axial force balance and cooling self cooling circulation axial force bearing device for horizontal pump for solving the technical problem existing in known technology.
The technological scheme that the utility model is taked for the technical problem existing in solution known technology is: self cooling circulation axial force bearing device for a kind of horizontal pump, comprise suction flange and pump shaft, also comprise the transmission shaft being connected with described pump shaft, on described transmission shaft, be socketed successively from left to right link, thrust bearing unit and afterbody end cap; Between described link and described afterbody end cap and described transmission shaft, be equipped with mechanical seal; Described thrust bearing unit comprises the front axle bearing arraying from left to right and anterior bearing, slide block, thrust bearing sector unit, thrust bearing bracket and the rear axle bearing coordinating with it; Described thrust bearing bracket left side is provided with scalloped recess, and described thrust bearing sector unit right side coordinates in the described scalloped recess of embedding; Described thrust bearing bracket right-hand member is provided with curved surface round platform, and the side up and down in described curved surface round platform axis cross section is arc, and the left side of described rear axle bearing is provided with the concave surface matching with described curved surface round platform; Described suction flange, described link and described front axle bearing are affixed successively; Described thrust bearing bracket, described rear axle bearing and described afterbody end cap are affixed successively; Between described front axle bearing and described rear axle bearing, be radially from inside to outside connected with successively lubricating sleeve and coolant jacket, and from inside to outside form successively lubricated cavity volume and cooling cavity volume; Described suction flange cavity volume and described cooling cavity volume are connected.
The utility model can also adopt following technological scheme:
Described curved surface round platform is sphere round platform.
Also comprise two circulating cooling pipes that connect described suction flange cavity volume and described cooling cavity volume, described two circulating cooling pipes are that same vertical line is arranged up and down.
Between described anterior bearing and described front axle bearing, be provided with adjusting pad.
Described thrust bearing sector unit and described thrust bearing bracket, be provided with O type circle between the two, and locate by pin.
Between described link and described transmission shaft, be provided with double mechanical seal and O type circle back-to-back.
Between described front axle bearing and described rear axle bearing and described transmission shaft, be equipped with cemented carbide axle sleeve and bronze plain bearing.
Described thrust bearing unit also comprises lock washer and little round nut, and described slide block is fixedly connected with transmission shaft by the key on transmission shaft, described lock washer and described little round nut.
Advantage and the good effect that the utlity model has are: adopt coolant jacket to form cooling cavity volume and structure and suction flange cavity volume UNICOM, make the cryogenic liquide that pump is carried enter cooling cavity volume, and high-temp liquid is back in suction flange cavity volume in cooling cavity volume, between realizing in cooling cavity volume and pump body from cool cycles, thereby cooling lubricant oil and the thrust bearing unit of lubricated cavity volume, improve working life and the using scope of loader, and without sink is set in addition, loader has been carried out to radiating treatment; Adopt thrust bearing carrying axial force, increased axial force carrying scope; Lubricated cavity volume is filled the grease of 1/3-1/2, adopts splash lubrication structure to reduce the thermal discharge of loader; Adopt the structure such as double mechanical seal and O type rubber seal back-to-back, reduced pump body to carrying the pressure rating requirement of liquid; In the working life that adopts cemented carbide axle sleeve and bronze plain bearing to strengthen bearing, increase the ability to radial force carrying.
It is simple in structure that the utility model provides one to have, easily manufactured, and reliable performance is with low cost, and axial force bearing capacity is high, extend the pump structure in working life.Solve the manufacture complexity occurring in conventional axial equilibrium of forces method, with high costs, safeguard inconvenience, thoroughly there are not the problems such as remnants, poor reliability, thermal discharge height.The working life of pump be can effectively raise, maintenance period and maintenance cost reduced.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the sectional view that the Vertical direction of Fig. 1 is dissectd;
Fig. 3 is the sectional view that the substantially horizontal of Fig. 1 is dissectd.
In figure: 1, suction flange; 2, mechanical seal; 3, link; 4, front axle bearing; 5, lubricating sleeve; 6, coolant jacket; 7, slide block; 8, thrust bearing sector unit; 9, rear axle bearing; 10, afterbody end cap; 11, bearing shell; 12, transmission shaft; 13, axle sleeve; 14, positioning ring; 15, thrust bearing bracket; 16, O type circle; 17, little round nut; 18, pin; 19, lock washer; 20, anterior bearing; 21, setting sleeve; 22, pipe joint; 23, lubricated cavity volume; 24, cooling cavity volume; 25, cocycle cooling tube; 26, lower circulating cooling pipe; 27, cooling liquid water filling hole.
Embodiment
For further understanding summary of the invention of the present utility model, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1～Fig. 3, a kind of self cooling circulation axial force bearing device for horizontal pump, comprises suction flange 1 and pump shaft, also comprises the transmission shaft 12 being connected with described pump shaft, on described transmission shaft 12, be socketed successively from left to right link 3, thrust bearing unit and afterbody end cap 10; Between described link 3 and described afterbody end cap 10 and described transmission shaft, be equipped with mechanical seal 2; Described thrust bearing unit comprises the front axle bearing 4 arraying from left to right and anterior bearing 20, slide block 7, thrust bearing sector unit 8, thrust bearing bracket 15 and the rear axle bearing 9 coordinating with it; Described thrust bearing bracket 15 left sides are provided with scalloped recess, and the right side of described thrust bearing sector unit 8 coordinates in the described scalloped recess of embedding; Described thrust bearing bracket 15 right-hand members are provided with curved surface round platform, and the side up and down in described curved surface round platform axis cross section is arc, and the left side of described rear axle bearing 9 is provided with the concave surface matching with described curved surface round platform; Described suction flange 1, described link 3 and described front axle bearing 4 are affixed successively; Described thrust bearing bracket 15, described rear axle bearing 9 and described afterbody end cap 10 are affixed successively; Between described front axle bearing 4 and described rear axle bearing 9, be radially from inside to outside connected with successively lubricating sleeve 5 and coolant jacket 6, and from inside to outside form successively lubricated cavity volume 23 and cooling cavity volume 24; The cavity volume of described suction flange 1 and described cooling cavity volume 24 are connected.。
The curved surface round platform of described thrust bearing bracket 15 right-hand members, forms by spheroid, spheroid etc. are transversal, and the dual-side up and down of its shaft section is symmetrical curved line, and this curved line rotates to form curved surface around axis; The sphere round platform that the preferred curved surface of curved surface round platform of described thrust bearing bracket 15 right-hand members is spherical shape, now curved line is a part for circle, the concave surface of the left side of described rear axle bearing 9 matches with the curved surface round platform of described thrust bearing bracket 15 right-hand members, ensures so described thrust bearing bracket 15 self-alignments.
In addition, this device also can comprise two circulating cooling pipes that connect described suction flange cavity volume and described cooling cavity volume 24, refer to Fig. 3, cocycle cooling 25 and lower circulating cooling 26, described two circulating cooling pipes can be same vertical line and arrange up and down, wherein cocycle cooling 25 is upper, lower circulating cooling 26 below, article two, up and down just to arranging, lubricating sleeve surface temperature not higher than coolant jacket in when the vapourizing temperature of liquid, utilize the height difference of cocycle cooling tube 25 and lower circulating cooling pipe 26, and the temperature difference of the interior liquid of cooling cavity volume 24 and suction flange appearance intracavity liquid, realize the heat exchange that the interior liquid of cooling cavity volume 24 and suction flange hold intracavity liquid, thereby reduce the room temperature of lubricated cavity volume 23.When lubricating sleeve surface temperature is during higher than the interior vaporizing liquid temperature of cooling cavity volume 24, there are a large amount of saturated gases in cold but cavity volume 24 tops, overflow by cocycle cooling tube 25, the now interior generation negative pressure of cooling cavity volume 24, cryogenic liquide in the cooling cavity volume 24 of the interior inflow of lower cool cycles pipe 26, keeps the lubricated interior temperature of cavity volume 23 unlikely too high.
Between described anterior bearing 20 and described front axle bearing 4, can be provided with adjusting pad, in order to distance between adjusting slider and anterior bearing.
Described thrust bearing sector unit 8 and described thrust bearing bracket 15, can be provided with O type circle 16 between the two, and can by pin 18 connect and other modes affixed, location.
Described thrust bearing bracket 15 and described rear axle bearing 9 can be connected by screw and other modes affixed.
Between described link 3 and described transmission shaft 12, can be provided with double mechanical seal and O type circle back-to-back, further improve sealability.
Keep the lubricated interior lubricant oil of cavity volume 23 to be filled to 1/3 to 1/2 of lubricated cavity volume; Thereby realize splash lubrication bearing rotary and slide member.
Between described front axle bearing and described rear axle bearing and described transmission shaft 12, can be equipped with cemented carbide axle sleeve 13 and bronze plain bearing 11, thereby increase the ability to radial force carrying the working life that has strengthened bearing.
Described thrust bearing unit also can comprise lock washer 19 and roundlet nut 17, described slide block 7 can be fixedly connected with transmission shaft by the key on transmission shaft 12, described lock washer 19 and described roundlet nut 17, described roundlet nut 17 is threaded with transmission shaft, lock little round nut, thereby fastening lock washer 19 and slide block 7, thereby be convenient to install and regulate.
Working principle of the present utility model:
Described axle sleeve, slide block are rotated by key transmitting torque on axle, between thrust bearing sector unit 8 and thrust bearing bracket 15, position and fix by pin 18 and O type circle 16, between thrust bearing bracket 15 and described tail bearing seat 9, be connected by screw, between suction flange 1, link 3, thrust shaft block 4, lubricating sleeve 5, tail bearing seat 9, afterbody end cap, connect by high-strength bolt.Suction flange 1 cavity volume is connected with cooling cavity volume 24 by cocycle cooling tube 25 and lower circulating cooling pipe 26; Mechanical seal 2 has formed sealing system with O type circle 16, wherein mechanical seal 2 adopts positive and negative two groups of mechanical seals at nearly feed-water end, it is soft-hard and hard-hard that material is respectively, back-to-back, by double mechanical seal and O type circle 16 back-to-back, thrust bearing unit and transmission shaft are sealed, liquid that pump is carried is carried out to isolating seal; Rely on lubricated cavity volume 23 in-lubricants to absorb the heat producing when thrust bearing unit bears axial force, and pass to the interior cooling liquid of cooling cavity volume 24 by lubricating sleeve 5, after cooling liquid absorbs heat, circulation is flowed out.Lubricating sleeve surface temperature not higher than coolant jacket in when the vapourizing temperature of liquid, utilize the height difference of cocycle cooling tube 25 and lower circulating cooling pipe 26, and the temperature difference of the interior liquid of cooling cavity volume 24 and suction flange appearance intracavity liquid, realize the heat exchange that the interior liquid of cooling cavity volume 24 and suction flange hold intracavity liquid, thereby reduced the room temperature of lubricated cavity volume 23.When lubricating sleeve surface temperature is during higher than the interior vaporizing liquid temperature of cooling cavity volume 24, there are a large amount of saturated gases in cold but cavity volume 24 tops, overflow by cocycle cooling tube 25, the now interior generation negative pressure of cooling cavity volume 24, cryogenic liquide in the cooling cavity volume 24 of the interior inflow of lower cool cycles pipe 26, keeps the lubricated interior temperature of cavity volume 23 unlikely too high.
Initially should make fluid lubricant capacity in described lubricating sleeve should be 1/3～1/2 of lubricated cavity volume 23 volumes, can form like this splash system lubrication; Just begin, by cooling liquid water filling hole 27, cooling liquid is filled to whole cooling cavity volume 24, also can before unit running, make cooling liquid from flowing in suction flange cavity volume and being full of cooling cavity volume 24.
Erection sequence of the present utility model:
Slide block 7 is fixed on transmission shaft 12 by the key on transmission shaft 12 and lock washer 19, roundlet nut 17, and positioning ring 14 and axle sleeve 13 are sleeved on transmission shaft 12, bearing shell 11 press-fits to rear axle bearing 9, the thrust bearing sector unit 8 that assembling is completed is connected with rear axle bearing 9 by bolt with thrust bearing bracket 15, ensure the sphere curved surface of the sphere round platform of thrust bearing bracket 15 right-hand members, can in the left end concave surface of rear axle bearing 9, corresponding spherical inside surface part move up and down; Install mechanical seal on transmission shaft 12 after, afterbody end cap 10 and rear axle bearing 9 are passed through to bolton.Now by affixed by screw and briquetting to lubricating sleeve 5 and rear axle bearing 9 use, the lubricated interior guarantee foreign of cavity volume 23, anterior bearing 20 is with front axle bearing 4 by screw fastening, and front axle bearing 4 is affixed by screw with lubricating sleeve 5, and now the axial movement value of transmission shaft 12 should meet designing requirement; Positive mechanical seal 2, link 3, anti-mechanical seal 2 are installed successively, and the Placement of link 3 is that high-strength bolt connects; Install successively that circulating cooling cover 6 and suction flange 1, cocycle cooling tube 25 are managed, lower circulating cooling pipe 26 is managed, installation.
Claims (8)
1. a self cooling circulation axial force bearing device for horizontal pump, comprises suction flange and pump shaft, it is characterized in that, also comprises the transmission shaft being connected with described pump shaft, on described transmission shaft, is socketed successively from left to right link, thrust bearing unit and afterbody end cap; Between described link and described afterbody end cap and described transmission shaft, be equipped with mechanical seal; Described thrust bearing unit comprises the front axle bearing arraying from left to right and anterior bearing, slide block, thrust bearing sector unit, thrust bearing bracket and the rear axle bearing coordinating with it; Described thrust bearing bracket left side is provided with scalloped recess, and described thrust bearing sector unit right side coordinates in the described scalloped recess of embedding; Described thrust bearing bracket right-hand member is provided with curved surface round platform, and the side up and down in described curved surface round platform axis cross section is arc, and the left side of described rear axle bearing is provided with the concave surface matching with described curved surface round platform; Described suction flange, described link and described front axle bearing are affixed successively; Described thrust bearing bracket, described rear axle bearing and described afterbody end cap are affixed successively; Between described front axle bearing and described rear axle bearing, be radially from inside to outside connected with successively lubricating sleeve and coolant jacket, and from inside to outside form successively lubricated cavity volume and cooling cavity volume; Described suction flange cavity volume and described cooling cavity volume are connected.
2. self cooling circulation axial force bearing device for horizontal pump according to claim 1, is characterized in that, described curved surface round platform is sphere round platform.
3. self cooling circulation axial force bearing device for horizontal pump according to claim 1, it is characterized in that, also comprise two circulating cooling pipes that connect described suction flange cavity volume and described cooling cavity volume, the layout up and down that described two circulating cooling pipes are same vertical line.
4. self cooling circulation axial force bearing device for horizontal pump according to claim 1, is characterized in that, between described anterior bearing and described front axle bearing, is provided with adjusting pad.
5. self cooling circulation axial force bearing device for horizontal pump according to claim 1, is characterized in that, described thrust bearing sector unit and described thrust bearing bracket, be provided with O type circle between the two, and locate by pin.
6. self cooling circulation axial force bearing device for horizontal pump according to claim 1, is characterized in that, is provided with double mechanical seal and O type circle back-to-back between described link and described transmission shaft.
7. self cooling circulation axial force bearing device for horizontal pump according to claim 1, is characterized in that, between described front axle bearing and described rear axle bearing and described transmission shaft, is equipped with cemented carbide axle sleeve and bronze plain bearing.
8. self cooling circulation axial force bearing device for horizontal pump according to claim 1, it is characterized in that, described thrust bearing unit also comprises lock washer and little round nut, and described slide block is fixedly connected with transmission shaft by the key on transmission shaft, described lock washer and described little round nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420445782.5U CN204003577U (en) | 2014-08-07 | 2014-08-07 | A kind of self cooling circulation axial force bearing device for horizontal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420445782.5U CN204003577U (en) | 2014-08-07 | 2014-08-07 | A kind of self cooling circulation axial force bearing device for horizontal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204003577U true CN204003577U (en) | 2014-12-10 |
Family
ID=52043584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420445782.5U Expired - Fee Related CN204003577U (en) | 2014-08-07 | 2014-08-07 | A kind of self cooling circulation axial force bearing device for horizontal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204003577U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131991A (en) * | 2014-08-07 | 2014-11-05 | 天津市百利溢通电泵有限公司 | Self-cooling circulation axial force carrying device for horizontal pump |
-
2014
- 2014-08-07 CN CN201420445782.5U patent/CN204003577U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131991A (en) * | 2014-08-07 | 2014-11-05 | 天津市百利溢通电泵有限公司 | Self-cooling circulation axial force carrying device for horizontal pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103184990B (en) | Oblique plunger type pure water hydraulic swash plate pump | |
| CN110454504A (en) | Heavily loaded high-temperature self-lubrication rolling bearing and processing technology | |
| CN104976133B (en) | A kind of high-temperature water pump of the mechanical seal with Vortex pump enclosed self-circulation system | |
| CN106402036B (en) | A kind of horizontal bivalve radial direction subdivision is arranged symmetrically cartridge type centrifugal multistage pump multiple centrifugal pump | |
| CN204003577U (en) | A kind of self cooling circulation axial force bearing device for horizontal pump | |
| CN104131991B (en) | The self cooling circulation axial force bearing device of a kind of horizontal pump | |
| CN201786591U (en) | Axial water-pressure plunger pump easy to be repaired | |
| CN107906124A (en) | A kind of demifacet axis rotating liquid bearing | |
| CN103615353A (en) | Hydraulic motor with plungers and swinging cylinders | |
| CN106762673A (en) | A kind of single stage single suction cantilever type centrifugal pump | |
| CN206889325U (en) | New flow corrosion resistant chemical pump | |
| CN205618369U (en) | Hua longyi nuclear power technology uses and fills pump | |
| CN113775651A (en) | Gate pump with water lubricated bearing | |
| CN205330868U (en) | Radial axle bush and have hydraulic generator thrust bearing of this radial axle bush | |
| CN207892875U (en) | Vertical long pump for liquid salts carries oil lubrication device | |
| CN207485672U (en) | For the high-pressure pump of seawater desalination system | |
| CN204985034U (en) | Dry -type pump bearing retainer | |
| CN206280377U (en) | A kind of cross-bearing | |
| CN204961379U (en) | Dry -type pump bearing retainer | |
| CN206338205U (en) | Heavy load Fluorine-lined magnetic drive pump | |
| CN106246129B (en) | Multifunctional polish rod sealing device | |
| CN202718902U (en) | Thrust bearing structure used for axial flow pump | |
| CN207454169U (en) | A kind of linkage rod type hydraulic motor of anti-down oil suction | |
| CN216867319U (en) | High-strength automobile hub bearing unit inner ring flange | |
| CN204610292U (en) | A kind of pipeline conveying centrifugal pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20160807 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |