CN200992950Y - Two-dimensional floating block for top driving drilling device - Google Patents
Two-dimensional floating block for top driving drilling device Download PDFInfo
- Publication number
- CN200992950Y CN200992950Y CN 200620164954 CN200620164954U CN200992950Y CN 200992950 Y CN200992950 Y CN 200992950Y CN 200620164954 CN200620164954 CN 200620164954 CN 200620164954 U CN200620164954 U CN 200620164954U CN 200992950 Y CN200992950 Y CN 200992950Y
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- China
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- guide
- guide rail
- rotating shaft
- idler wheel
- right body
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Abstract
A dimensional floating pulley of the overhead drilling device comprises a left bodywork(1), a right bodywork(2), a bearing idler wheel(3) and a guide idler wheel set(4); wherein the left and right bodyworks(1,2) are connected on the overhead driving main body through a rotating shaft(9), and the ends of the left and right bodyworks(1,2) are respectively fixed with a bearing idler wheel(3) that is rolling on a guide rail bearing face, and two groups of guide idler wheels(4) that are rolling on the guide rail guide face are respectively fixed between the bearing idler wheels(3) arranged on the right and left bodyworks. The utility model can make the bearing idler wheel of pulley and the guide idler wheel automatically contact with the bearing face and the guide face in operation, be self adaptable to the manufacturing error of the guide rail face, improve the relatively bad tension status of the idler wheel and the guide rail, and effectively prolong the service live of the idler wheel, the guide idler wheel and the guide rail.
Description
Technical field
The utility model belongs to the floating type coaster on the oil drilling and r eoovery machine technical field, particularly top-drive drilling.
Background technology
Be equipped with two groups of rollers in the coaster of top-drive drilling, one group is the carrying roller, and another group is guide roller.The effect of carrying roller is: with the reaction torque loading transfer of top-drive drilling when the drillng operation to guide rail; The effect of guide roller is: set upright it when top-drive drilling moves up and down in derrick, make it align well head all the time.Be stuck in the guide rail for guaranteeing that each roller is unlikely, all designing between roller and the guide pass has very little gap.Roller in present most of coaster is fixed (that is: or with respect to coaster fixes, or fix with respect to top-drive drilling).Because the length very long (usually about 41m～45m) of guide rail is limited to the weight requirement, the rigidity of guide rail is all relatively poor.Therefore, the manufacturing straightness accuracy of guide rail is all undesirable.Roller is when contacting with guide rail like this, occur inevitably: the part roller in each group roller can't contact with guide pass, make the roller load situation contact with guide pass become badly (bearing load can be multiplied), greatly reduce the application life of roller, simultaneously, because the actual number of rollers that contacts with guide rail reduces at double, so the pressure of pair of rollers guide pass is multiplied, and makes the also reduction greatly in application life of guide rail.At present, though that the guide roller of some coaster is designed to is floating type, the carrying roller of stressed maximum still is fixed.Still can't fundamentally solve roller and guide rail short problem in application life.
Summary of the invention
The utility model purpose is the floating type coaster of a kind of top-drive drilling two dimension of design, to overcome roller and guide rail short problem in application life in the prior art.
Specifically, the floating type coaster of top-drive drilling two dimension, it comprises left body (1), right body (2), carrying roller (3), orienting roll wheels (4), left body (1) and right body (2) are connected the top by rotating shaft (9) respectively and drive on the main body, be fixed with the carrying roller (3) that on the guide rail bearing surface, rolls respectively at the two ends of left body (1), right body (2), be fixed with two groups of orienting roll wheels (4) that roll at the guide rail spigot surface respectively being positioned on left body (1), the right body (2) between carrying roller (3).
Left body (1) and right body (2) are connected the top by rotating shaft (9) respectively and drive on the main body, and by gland (10) and connecting bolt (11) that left body (1) and right body (2) is fixing, and locking plate (12) locking connecting bolt (11) prevents that it is loosening.
With the hard-over of pressing plate (13) and caging bolt (14) restriction left body (1) and right body (2), become flexible with anti-its of locking plate (15) locking caging bolt (14).
4 carrying rollers (3) are separately fixed at the two ends of left body (1) and right body (2), and can be with left body (1) and right body (2) (9) rotating certain angle around the shaft.
The 4 groups of orienting roll wheels (4) that are positioned on the car body of the left and right sides are fastened on left body (1) and upward also (5) rotation around the shaft of right body (2) by rotating shaft (5) gland (6) and connecting bolt (7) respectively, anti-its of locking plate (8) locking connecting bolt (7) becomes flexible, in every group of orienting roll wheels, four guide rollers are arranged around rotating shaft (5) symmetric arrangement on the guide roller support.
Architecture advances of the present utility model is mainly reflected in:
(1) rotating shaft that centers on of the rotating shaft that together centers on of carrying roller and car body and orienting roll wheels is 90 ° each other, it is separate unsteady to make carrying roller and guide roller to realize on 90 ° forward and backward and left and right both direction each other, the foozle of self adaptation guide rail bearing surface and spigot surface forms two dimension and floats.
(2) carrying roller and car body one coexists and rotates to an angle around the shaft automatically under the effect of service load, makes respectively to carry roller and fit tightly with the guide rail bearing surface automatically all the time, stressed evenly, the formation one dimension is unsteady.
(3) the orienting roll wheels rotate to an angle under the effect of service load automatically around the shaft, and each guide roller is automatically fitted tightly with the guide rail spigot surface all the time, stressed evenly, it is unsteady to form another dimension.
The beneficial effects of the utility model are to adopt the floating type coaster of top-drive drilling two dimension, coaster carrying roller is contacted with spigot surface with the bearing surface of guide rail at work automatically fully with guide roller, the foozle of self adaptation guide pass, improve the comparatively abominable force-bearing situation of roller and guide rail, prolong the application life of carrying roller, guide roller and guide rail effectively.
Description of drawings
Fig. 1 is the floating type coaster schematic diagram of top-drive drilling two dimension.
Fig. 2 is that the A of Fig. 1 is to view.
The figure number explanation: the 1-left body, the 2-right body, 3-carries roller, 4-orienting roll wheels, 5-rotating shaft, 6-gland, 7-connecting bolt, 8-locking plate, 9-rotating shaft, 10-gland, 11-connecting bolt, 12-locking plate, 13-pressing plate, 14-caging bolt, 15-locking plate.
The specific embodiment
The top-drive drilling floating type coaster of two dimension (seeing attached Fig. 1 and 2) mainly is made up of left body (1), right body (2), carrying roller (3), orienting roll wheels (4), rotating shaft (5), gland (6), connecting bolt (7), locking plate (8), rotating shaft (9), gland (10), connecting bolt (11), locking plate (12), pressing plate (13), caging bolt (14), locking plate (15) etc. zero, parts.Left body (1) and right body (2) are connected the top by rotating shaft (9) respectively and drive on the main body, and gland (10) is fixed in the rotating shaft (9) with connecting bolt (11), deviate from from rotating shaft (9) in order to restriction left body (1) or right body (2).Design has a very little gap between gland (10) and left body (1) or the right body (2), guarantees (9) rotation flexibly around the shaft of left body (1) or right body (2).The axle of carrying roller (3) is connected on left body (1) or the right body (2), floats with left body (1) or the common one dimension that forms (9) rotation around the shaft of right body (2).Caging bolt (14) with the limit rotation of left body (1) and right body (2) in a reasonable range.Also design between pressing plate (13) and left body (1) or the right body (2) a very little gap is arranged, guarantee (9) rotation flexibly around the shaft of left body (1) or right body (2), the effect that while also restricted left body (1) or right body (2) are deviate from from rotating shaft (9) makes that connection is more reliable.
Because carrying roller (3) can be with left body (1) or right body (2) (9) rotation around the shaft respectively, like this when running into local irregular guide rail bearing surface, in one side body 2 carrying rollers (3) can be under the driving of top-drive drilling service load automatically around the shaft (9) rotate a certain angle, make 2 carrying rollers (3) carry simultaneously, reach the stress balance state; Equally, when running into local irregular guide rail spigot surface (with 90 ° each other of guide rail bearing surfaces), in one side body 2 groups of orienting roll wheels (4) can be under the driving of top-drive drilling service load automatically around the shaft (5) rotate a certain angle, make the guide roller in 2 groups of orienting roll wheels (4) carry simultaneously, reach the stress balance state.
90 ° each other of the axis angles of rotating shaft (9) and rotating shaft (5), the two dimension that has formed carrying roller (3) and orienting roll wheels (4) is floated.
The utility model operating principle: 4 groups of orienting roll wheels (4) are connected on left body (1) and the right body (2) by rotating shaft (5) respectively, gland (6) is fixed in the rotating shaft (5) with connecting bolt (7), deviates from from rotating shaft (5) in order to restricted guidance roller set (4).Design has a very little gap between gland (6) and the orienting roll wheels (4), guarantees its (5) rotation flexibly around the shaft.The orienting roll wheel shaft is connected on the guide roller support forms orienting roll wheels (4), and form (5) rotation around the shaft with rotating shaft (9) each other another dimension of 90 ° float.The two-dimentional floating type coaster of final formation.Locking plate (8), (12), (15) can guarantee that connecting bolt (7), (11) and caging bolt (14) are not loosening.
The floating type coaster of this top-drive drilling two dimension can be used for electricity and drives (comprising: the AC frequency conversion electricity drives and dc powered), hydraulically powered various top-drive drilling.
Claims (5)
1, the floating type coaster of top-drive drilling two dimension, it is characterized in that comprising left body (1), right body (2), carrying roller (3), orienting roll wheels (4), left body (1) and right body (2) are connected the top by rotating shaft (9) respectively and drive on the main body, be fixed with the carrying roller (3) that on the guide rail bearing surface, rolls respectively at the two ends of left body (1), right body (2), be fixed with two groups of orienting roll wheels (4) that roll at the guide rail spigot surface respectively being positioned on left body (1), the right body (2) between carrying roller (3).
2, the floating type coaster of top-drive drilling two dimension according to claim 1, it is characterized in that left body (1) and right body (2) are connected the top by rotating shaft (9) respectively and drive on the main body, and by gland (10) and connecting bolt (11) that left body (1) and right body (2) is fixing, anti-its of locking plate (12) locking connecting bolt (11) becomes flexible.
3, according to claim 1 or the floating type coaster of 2 described top-drive drilling two dimensions, it is characterized in that hard-over, prevent that with locking plate (15) locking caging bolt (14) it is loosening with pressing plate (13) and caging bolt (14) restriction left body (1) and right body (2).
4, the floating type coaster of top-drive drilling two dimension according to claim 1, it is characterized in that 4 carrying rollers (3) are separately fixed at the two ends of left body (1) and right body (2), and can be with left body (1) and right body (2) (9) rotating certain angle around the shaft.
5, the floating type coaster of top-drive drilling two dimension according to claim 1, the 4 groups of orienting roll wheels (4) that it is characterized in that being positioned on the car body of the left and right sides are fastened on left body (1) and upward also (5) rotation around the shaft of right body (2) by rotating shaft (5) gland (6) and connecting bolt (7) respectively, anti-its of locking plate (8) locking connecting bolt (7) becomes flexible, in every group of orienting roll wheels, four guide rollers are arranged around rotating shaft (5) symmetric arrangement on the guide roller support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620164954 CN200992950Y (en) | 2006-12-30 | 2006-12-30 | Two-dimensional floating block for top driving drilling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620164954 CN200992950Y (en) | 2006-12-30 | 2006-12-30 | Two-dimensional floating block for top driving drilling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200992950Y true CN200992950Y (en) | 2007-12-19 |
Family
ID=38946027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620164954 Expired - Fee Related CN200992950Y (en) | 2006-12-30 | 2006-12-30 | Two-dimensional floating block for top driving drilling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200992950Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061890A (en) * | 2010-08-31 | 2011-05-18 | 北京市三一重机有限公司 | Rotary drilling rig and follow-up frame structure thereof |
| CN101737002B (en) * | 2009-12-18 | 2013-04-24 | 贵州航天天马机电科技有限公司 | Self-adapting locking feeding mechanism of rotary drilling rig |
-
2006
- 2006-12-30 CN CN 200620164954 patent/CN200992950Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101737002B (en) * | 2009-12-18 | 2013-04-24 | 贵州航天天马机电科技有限公司 | Self-adapting locking feeding mechanism of rotary drilling rig |
| CN102061890A (en) * | 2010-08-31 | 2011-05-18 | 北京市三一重机有限公司 | Rotary drilling rig and follow-up frame structure thereof |
| CN102061890B (en) * | 2010-08-31 | 2014-01-22 | 北京市三一重机有限公司 | Rotary drilling rig and follow-up frame structure thereof |
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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 |