CN2371172Y - Well logging pulley - Google Patents
Well logging pulley Download PDFInfo
- Publication number
- CN2371172Y CN2371172Y CN 98221936 CN98221936U CN2371172Y CN 2371172 Y CN2371172 Y CN 2371172Y CN 98221936 CN98221936 CN 98221936 CN 98221936 U CN98221936 U CN 98221936U CN 2371172 Y CN2371172 Y CN 2371172Y
- Authority
- CN
- China
- Prior art keywords
- pulley
- main shaft
- well logging
- pulleys
- radial bearing
- 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
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model provides a group of upper and lower pulleys for well logging, which is used by oil exploitation and well logging equipment, wherein, pulleys (4) are arranged on a main shaft; a main body frame (3) and a moving frame (7) are also arranged on the main shaft; a hanging ring (1) is arranged on the main body frame; a single-row cylindrical radial bearing (10) is arranged between the pulleys and the main shaft; a skeleton type oil seal (11) is arranged on a press cover (12). The group of upper and lower pulleys has the advantages of high intensity, long service life, reasonable structure, and convenient assemblage and maintenance.
Description
The utility model provides a kind of pulley, is used for oil production and logging equipment, also can be used for fields such as chemical industry, geoexploration.
At present, the Pulley that uses on logging equipment adopts needle bearing between main shaft and the pulley, and it is moving to produce string between main shaft and the pulley.Moving for preventing this string, having to increases friction lining at two end faces of pulley.And after friction lining is by wear down, the friction lining that must more renew.This just need often keep in repair pulley.In addition, because bearing contacts with the external world, seal badly, mud and other foreign matters enter in the bearing easily, have accelerated the wearing and tearing of bearing, thereby have shortened the service life of bearing.
The purpose of this utility model provides a kind of improved Well logging pulley, to improve its service life.
The utility model is achieved in that on this Pulley, and single-row cylinder radial bearing is installed between pulley and the main shaft, on the gland outside the single-row cylinder radial bearing skeleton type oil sealing is arranged.
Adopt the Well logging pulley of said structure,, therefore cancelled the friction lining of pulley both ends of the surface, solved the problem that needs frequent renewal of facing because single-row cylinder radial bearing can not take place to move to a watt string.Skeleton type oil sealing on the gland can prevent entering of mud and other foreign matter, thus director the service life of bearing.Pulley adopts the metal stamping and pressing casting, can improve its intensity.This Pulley long service life, rational in infrastructure, good looking appearance, intensity height, assembling, easy to maintenance.
Below in conjunction with description of drawings concrete structure of the present utility model.
Fig. 1 is the scheme drawing of the utility model structure.Fig. 2 is its A-A section-drawing.
As shown in drawings, on the Well logging pulley of the utility model, the outer pulley (4) that is equipped with of main shaft (6), main frame (3) and tressel (7) also are installed on the main shaft outside pulley, by suspension ring axle (2) suspension ring (1) are installed on the main frame, center cross (8) is arranged on the tressel, pulling shaft (9) is arranged on the center cross, between pulley (4) and the main shaft (6) single-row cylinder radial bearing (10) is installed, on the gland (12) outside the single-row cylinder radial bearing skeleton type oil sealing (11) is arranged.
The outer perimeter of pulley (4) is 2.5m.This bigger girth can reduce the sinuousness and the wearing and tearing of logging cable, prolongs the service life of cable.
As shown in Figure 1, go up priming cup (5) in addition at described gland (12).
Pulley (4) can be made by aluminum alloy or corrosion-resistant steel.Stainless material can be Cr
1Ni
18Ti
19
Skeleton type oil sealing (11) can be a skeleton type spring rubber oil sea.
Accompanying drawing is depicted as the structure of top sheave.As long as change the shape of main frame and tressel a little, can become lower sheave.
Claims (2)
1, Well logging pulley, the outer pulley (4) that is equipped with of main shaft (6), main frame (3) and tressel (7) also are installed on the main shaft outside pulley, by suspension ring axle (2) suspension ring (1) are installed on the main frame, center cross (8) is arranged on the tressel, pulling shaft (9) is arranged on the center cross, it is characterized in that, between described pulley (4) and main shaft (6), single-row cylinder radial bearing (10) is installed, on the gland (12) outside the single-row cylinder radial bearing skeleton type oil sealing (11) is arranged.
2, Well logging pulley as claimed in claim 1 is characterized in that, the outer perimeter of described pulley (4) is 2.5m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98221936 CN2371172Y (en) | 1998-07-25 | 1998-07-25 | Well logging pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98221936 CN2371172Y (en) | 1998-07-25 | 1998-07-25 | Well logging pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2371172Y true CN2371172Y (en) | 2000-03-29 |
Family
ID=33973388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98221936 Expired - Fee Related CN2371172Y (en) | 1998-07-25 | 1998-07-25 | Well logging pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2371172Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102136700A (en) * | 2011-01-18 | 2011-07-27 | 常熟长城轴承有限公司 | Pulley |
| CN102678099A (en) * | 2011-03-07 | 2012-09-19 | 西安宇能科技有限公司 | Stand-wrapped logging upper and lower pulleys |
-
1998
- 1998-07-25 CN CN 98221936 patent/CN2371172Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102136700A (en) * | 2011-01-18 | 2011-07-27 | 常熟长城轴承有限公司 | Pulley |
| CN102678099A (en) * | 2011-03-07 | 2012-09-19 | 西安宇能科技有限公司 | Stand-wrapped logging upper and lower pulleys |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |