CN2565963Y - Turbo-drilling tool intermediated bearing section with diamond thrust bearing - Google Patents
Turbo-drilling tool intermediated bearing section with diamond thrust bearing Download PDFInfo
- Publication number
- CN2565963Y CN2565963Y CN 02246311 CN02246311U CN2565963Y CN 2565963 Y CN2565963 Y CN 2565963Y CN 02246311 CN02246311 CN 02246311 CN 02246311 U CN02246311 U CN 02246311U CN 2565963 Y CN2565963 Y CN 2565963Y
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- Prior art keywords
- thrust bearing
- diamond
- turbodrill
- coupler
- bearing
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Abstract
The utility model relates to a turbo drilling tool middle bearing section with a diamond thrusting bearing, which at least comprises an upper half axle connecting device, an upper short joint, a shell body, an upper TC bearing (a radical sliding bearing of hard alloy), a diamond thrusting bearing set, a lower TC bearing, an axle, a lower half axle connecting device, etc. The flow capacity of drilling fluid passing through the gap of the rubbing surfaces of the TC bearing and the diamond thrusting bearing set is proper when the turbo drilling tool middle bearing section of the utility model is in operation. Sufficient length of service lives of the TC bearing and the diamond thrusting bearing set is guaranteed under a sufficient cooling lubricated condition. The utility model also has the characteristics of reliable operation, less vibration, convenient change of wearing parts, etc.
Description
Technical field
The utility model relates to fields such as a kind of oil, mine, coalfield, gas field and saves with the turbodrill intermediate support, especially a kind of higher rotation speed and long turbodrill intermediate support joint with diamond thrust bearing of working life of adapting to belongs to machinery manufacturing technology field.
Background technology
Because the restriction of service condition, the turbodrill that fields such as oil, mine, coalfield, gas field are used all is forced to make tubulose, and diameter is limited.Designing intensity, performance, working life, maintenance in limited space, can both to satisfy the turbodrill difficulty that 21st century requires very big.Simultaneously, turbodrill can be divided into typical turbine drilling tool (single-unit), compound turbodrill (two joints or three joints) and reducer turbodrill (single-unit or two joints) according to by form of structure.Generally, the turbine stator of every joint turbodrill, rotor, alignment bearing and thrust bearing all are contained on the interior same axle of same housing.Be 800～1000 hours the application life of turbodrill complete machine, but need maintenance 5～15 times.The main task of turbodrill maintenance is to change turbodrill consumable accessory thrust bearing.At present, turbine stator, rotor, alignment bearing and thrust bearing all must be pulled down from same axle during maintenance turbodrill consumable accessory thrust bearing, more be changed the old thrust bearing that weares and teares or damage with new thrust bearing then.Because every joint turbodrill has turbine stator and rotor more than 60 grades at least, all turbine stators and rotor will be pulled down earlier during maintenance, and then be loaded onto, so not only time-consuming but also effort.
The key that improves turbodrill complete machine working life is how to improve the working life of turbodrill consumable accessory thrust bearing.The consumable accessory that the existing structure turbodrill is born axial load is metal～rubber thrust bearing group, under drilling fluid (mud) cooling and lubricating condition, work, high rigidity solid phase particles (as quartz sand) in the drilling fluid becomes the abrasive particle medium, cause the thrust bearing group to descend quick-wearing in drilling fluid abrasive wear condition, the working life of thrust bearing group does not reach the needs of industrial development, generally has only 50～100 hours.Improve the working life of consumable accessory thrust bearing effectively, become problem anxious to be solved.
The utility model content
The purpose of this utility model is to provide a kind of turbodrill intermediate support with diamond thrust bearing to save at the deficiency of prior art, needn't again turbine stator, rotor, alignment bearing and thrust bearing all be pulled down from same axle when making maintenance turbodrill consumable accessory thrust bearing, more change the old thrust bearing that weares and teares or damage with new thrust bearing then.Only need the intermediate support joint is pulled down, and change thrust bearing, make the I﹠M of turbodrill component convenient, quick.
Another purpose of the present utility model is the deficiency at prior art, a kind of turbodrill intermediate support joint with diamond thrust bearing is provided, diamond has prolonged the application life of turbodrill consumable accessory thrust bearing greatly with its high rigidity and anti-wear performance.
The purpose of this utility model is achieved by the following technical solution:
A kind of turbodrill intermediate support joint with diamond thrust bearing, it is made up of axle, last TC bearing, thrust bearing group, following TC bearing and shell, wherein, last TC bearing, thrust bearing group, TC bearing setting in turn on axle down, the outside is provided with shell, this cartridge also comprises half a coupler and following half a coupler, and upper and lower half a coupler is separately positioned on the two ends up and down of axle.
The shell of cartridge comprises short circuit head and housing two parts, and last short circuit head lower end and housing are connected by taper thread between the upper end.One end of last short circuit head is a box, and the other end is a pin thread.What deserves to be explained is at this, good and reduce production costs for processing technology, the shell of cartridge also can be designed to be made up of last short circuit head, housing and following short circuit head three parts, this moment, the housing of cartridge became the thin walled cylinder body sandwich type element that two ends are box, and following short circuit head is that two ends are the short circuit head of pin thread.
The thrust bearing group is a diamond thrust bearing group, diamond thrust bearing in this bearing group comprises rotating ring, stationary ring, centering ring and support ring float, on the axial abrasive end face of thrust bearing rotating ring and unsteady stationary ring, be inlaid with diamond, it is shaped as column type, triangle, rhombus or rectangle, and its end face exceeds matrix 0.1-3.0mm.The stationary ring that floats can move in centering ring vertically, and floating also has been provided with the spring that damping compresses effect in advance between stationary ring and the support ring.Diamond thrust bearing group is more than the two-stage, and its end-play is 0.1～2.5mm.
The last half a coupler of cartridge is spline die nipple formula half a coupler or spline female coupling tap formula half a coupler, and following half a coupler is castellated half a coupler or square shaft formula half a coupler or square hole formula half a coupler.It is the through hole of Φ 8～Φ 20mm that upper and lower half a coupler taper thread small end bottom is provided with a diameter that is used to measure, observe or ventilate.Upper and lower half a coupler is connected with axle by taper thread.
Thrust bearing group in the cartridge can adopt diamond thrust bearing group or metal～rubber thrust bearing and diamond thrust bearing mixing thrust bearing group.
In sum, advantage of the present utility model is:
1, the utility model employing column type, triangle, rhombus or rectangle diamond are thrust bearing rubbing surface material, and adopt multistage thrust bearing structure, the axial load that intermediate support joint is subjected to is uniform to thrust bearings at different levels, and the load that every grade of thrust bearing is born is little.Because diamond is the hardest material of having found in the world at present, its Mohs' hardness is 10; Adamantine compressive property is also the strongest, and compressive strength is 88000bar, and antiwear property is 9000 times of steel.Adopting diamond is thrust bearing friction surface material, can guarantee that novel turbodrill intermediate support joint has than long service live.
2, in addition, the column type, triangle, rhombus or the rectangle diamond end face that are embedded on the matrix exceed matrix 0.1～3.0mm, the time can in time obtain the lubricated and cooling of drilling well working solution with guarantee fund's hard rock in work, and heat radiation in time prevents that diamond from crossing thermal wear.
3, the utility model turbodrill intermediate support joint, the consumable accessory thrust bearing of bearing the deadweight of hydraulic load and parts on shaft in the turbodrill is separated from every joint turbodrill (turbine section), become an independently long intermediate support joint of life-span, it is just passable only need to overhaul the intermediate support joint when the conventional maintenance of turbodrill, makes the installation, maintenance of turbodrill complete machine convenient and quick.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 mixes the turbodrill intermediate support joint structural representation of thrust bearings for the utility model adopts metal～rubber thrust bearing with the diamond thrust bearing;
Fig. 3 is first coupler structure schematic diagram of the utility model spline die nipple formula;
Fig. 4 is castellated second coupler structure schematic diagram of the utility model;
Fig. 5 is second coupler structure schematic diagram of the utility model square shaft formula;
Fig. 6 is second coupler structure schematic diagram of the utility model square hole formula;
Fig. 7 is the utility model diamond thrust bearing group structural representation;
Fig. 8 is the utility model rubber spring structural representation;
Fig. 9 is the utility model dish-shaped-spring stack structural representation;
Figure 10 is the utility model diamond thrust bearing rotating ring structural representation;
Figure 11 is the unsteady stationary ring structural representation of the utility model diamond thrust bearing;
Figure 12 is that the utility model metal～rubber thrust bearing mixes the thrust bearings structural representation with the diamond thrust bearing.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is done detailed description further.
Embodiment 1:
As Fig. 1, the utility model is a kind of turbodrill intermediate support joint (referring to Fig. 7) with diamond thrust bearing group.It mainly by last half a coupler 1, go up short circuit head 2, housing 3, go up TC bearing rotating ring 4, go up TC bearing stationary ring 5, diamond thrust bearing group 6, down TC bearing rotating ring 7, assemblies such as TC bearing stationary ring 8, axle 9 and following half a coupler 10 are formed down.Wherein, following TC bearing rotating ring 7, diamond thrust bearing group rotating ring 6a (its structure as shown in figure 10), last TC bearing rotating ring 4 etc. are contained on the axle 9 successively, are pressed on the axle 9 by last half a coupler 1, and following half a coupler 10 is contained in axle 9 bottoms.Above component constitute the rotating part of turbodrill intermediate support joint.Following TC bearing stationary ring 8, diamond thrust bearing group support ring 6e, diamond thrust bearing group centering ring 6b, last TC bearing stationary ring 5 etc. are contained in the housing 3 successively, are pressed in the housing 3 by last short circuit head 2.Diamond thrust bearing group is floated and has been provided with the spring 6d that damping compresses effect in advance between stationary ring 6c (its structure as shown in figure 11) and the support ring 6e.Above component constitute the stationary part of turbodrill intermediate support joint.
The last half a coupler of axle upper end is a spline die nipple formula half a coupler, and the following half a coupler of axle lower end is castellated half a coupler.Its shape and structure as shown in Figure 3 and Figure 4.
Embodiment 2:
As Fig. 2, the utility model is a kind of metal～rubber thrust bearing mixes thrust bearings with the diamond thrust bearing turbodrill intermediate support joint (referring to Figure 12) that has.It mainly by last half a coupler 1, go up short circuit head 2, housing 3, go up TC bearing rotating ring 4, go up TC bearing stationary ring 5, metal～rubber thrust bearing mixes thrust bearings 6 with the diamond thrust bearing, down TC bearing rotating ring 7, following TC bearing stationary ring 8, spools 9 and assemblies such as following half a coupler 10 form.Wherein, following TC bearing rotating ring 7, diamond thrust bearing group rotating ring 6a, metal～rubber thrust bearing rotating ring 6f, last TC bearing rotating ring 4 etc. are contained on the axle 9 successively, are pressed on the axle 9 by last half a coupler 1, and following half a coupler 10 is contained in axle 9 bottoms.Above component constitute the rotating part of turbodrill intermediate support joint.Following TC bearing stationary ring 8, diamond thrust bearing group support ring 6e, diamond thrust bearing group centering ring 6b, metal～rubber thrust bearing rotating ring 6g, last TC bearing stationary ring 5 etc. are contained in the housing 3 successively, are pressed in the housing 3 by last short circuit head 2.Diamond thrust bearing group is floated and is provided with the spring 6d that damping compresses effect in advance between stationary ring 6c and the support ring 6e.Above component constitute the stationary part of turbodrill intermediate support joint.This embodiment is as different from Example 1: the component deadweight mixes thrust bearings by metal～rubber thrust bearing with the diamond thrust bearing and bears jointly on hydraulic load that produces during turbodrill work and the turbodrill axle.Metal～rubber thrust bearing group is at first worked, and the break-in of diamond thrust bearing group waits behind metal～rubber thrust bearing group wearing and tearing 0.2～2.0mm just life's work of diamond thrust bearing group.
As depicted in figs. 1 and 2, arrow is depicted as drilling well working solution flow direction and path among the figure.
As mentioned above, it is thrust bearing rubbing surface material that the utility model adopts column type, triangle, rhombus or rectangle diamond, and adopt multistage thrust bearing structure, the axial load that intermediate support joint is subjected to is uniform to thrust bearings at different levels, and the load that every grade of thrust bearing is born is little.Because diamond is the hardest material of having found in the world at present, its Mohs' hardness is 10; Adamantine compressive property is also the strongest, and compressive strength is 88000bar, and antiwear property is 9000 times of steel.Adopting diamond is the material of thrust bearing friction surface, guarantees that novel turbodrill intermediate support joint has than long service live.
In addition, the column type, triangle, rhombus or the rectangle diamond end face that are embedded on the matrix exceed matrix 0.1～3.0mm, the time can in time obtain the lubricated cooling of drilling well working solution with guarantee fund's hard rock in work, and heat radiation in time prevents that diamond from crossing thermal wear.
In addition, diamond thrust bearing group mainly carry the hydraulic load that turbodrill when work produce (30～100KN) and the turbodrill axle on component deadweight (2～12KN).The total progression of diamond thrust bearing group is more than the two-stage.Be provided with rubber spring or combination butterfly spring on the unsteady stationary ring of diamond thrust bearing between a no adamantine end face and the support ring.Because turbodrill its power transmission shaft and intermediate support joint when underground work often is subjected to impacting the dynamic load effect inevitably under drill bit and stratum interaction, too early impact fatigue can take place for the turbodrill power transmission shaft of common no damping device and intermediate support joint consumable accessory damages, and causes the turbodrill machine life to shorten greatly.The dynamic load that the spring that is provided with between unsteady stationary ring of diamond thrust bearing and the support ring can make diamond thrust bearing group bear from drill bit reduces, and effectively the protective money hard rock exempts from unusual impact failure.It is to coordinate thrust bearing axial dimension processing at different levels and rigging error in the diamond thrust bearing group that the another one of spring mainly acts on, and two diamond end faces of thrust bearings at different levels are worked simultaneously in guarantee fund's hard rock thrust bearing group.Spring can be rubber spring or combination butterfly spring, its planform such as Fig. 8 and shown in Figure 9.
The radial clearance that plays the TC bearing of centralizing function in the turbodrill intermediate support joint is 0.1～0.8mm, last TC bearing working face length is 50～150mm, following TC bearing working face length is 75～200mm, so just can guarantee that the diamond thrust bearing in the intermediate support joint only bears axial load.TC bearing rotating ring outer round surface and stationary ring internal circular surfaces are inlaid with wearable hard alloy, the hardness height of carbide alloy, abrasion resistance is good, can be under the bad working environments condition works fine, the life-span is longer.
It should be noted last that, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (10)
1, a kind of turbodrill intermediate support joint with diamond thrust bearing, it is made up of axle, last TC bearing, thrust bearing group, following TC bearing and shell, wherein, last TC bearing, thrust bearing group, TC bearing setting in turn on axle down, the outside is provided with shell, it is characterized in that: it also comprises half a coupler and following half a coupler, and upper and lower half a coupler is separately positioned on the two ends up and down of axle.
2, the turbodrill intermediate support joint with diamond thrust bearing according to claim 1, it is characterized in that: described shell comprises short circuit head and housing two parts, is connected by taper thread between on last short circuit head lower end and the housing.
3, the turbodrill intermediate support joint with diamond thrust bearing according to claim 1, it is characterized in that: described thrust bearing group is a diamond thrust bearing group, diamond thrust bearing in this bearing group comprises rotating ring, stationary ring, centering ring and support ring float, on the axial abrasive end face of thrust bearing rotating ring and unsteady stationary ring, be inlaid with diamond, it is shaped as column type, triangle, rhombus or rectangle, and its end face exceeds matrix 0.1-3.0mm.
4, the turbodrill intermediate support joint with diamond thrust bearing according to claim 3, it is characterized in that: the unsteady stationary ring of described diamond thrust bearing can move in centering ring vertically.
5, the turbodrill intermediate support joint with diamond thrust bearing according to claim 3 is characterized in that: be provided with the spring that damping compresses effect in advance between described unsteady stationary ring and the support ring.
6, the turbodrill intermediate support joint with diamond thrust bearing according to claim 3, it is characterized in that: described diamond thrust bearing group is more than the two-stage, and its end-play is 0.1～2.5mm.
7, the turbodrill intermediate support joint with diamond thrust bearing according to claim 1, it is characterized in that: described upward half a coupler is spline die nipple formula half a coupler or spline female coupling tap formula half a coupler, and following half a coupler is castellated half a coupler or square shaft formula half a coupler or square hole formula half a coupler.
8, the turbodrill intermediate support joint with diamond thrust bearing according to claim 7, it is characterized in that: it is the through hole of Φ 8～Φ 20mm that described upper and lower half a coupler taper thread small end bottom is provided with a diameter that is used to measure, observe or ventilate.
9, according to claim 1 or 7 or 8 described turbodrill intermediate support joints with diamond thrust bearing, it is characterized in that: upper and lower half a coupler is connected with axle by taper thread.
10, the turbodrill intermediate support joint with diamond thrust bearing according to claim 1, it is characterized in that: described thrust bearing group is diamond thrust bearing group or metal～rubber thrust bearing and diamond thrust bearing mixing thrust bearing group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02246311 CN2565963Y (en) | 2002-08-19 | 2002-08-19 | Turbo-drilling tool intermediated bearing section with diamond thrust bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02246311 CN2565963Y (en) | 2002-08-19 | 2002-08-19 | Turbo-drilling tool intermediated bearing section with diamond thrust bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2565963Y true CN2565963Y (en) | 2003-08-13 |
Family
ID=33717640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02246311 Expired - Lifetime CN2565963Y (en) | 2002-08-19 | 2002-08-19 | Turbo-drilling tool intermediated bearing section with diamond thrust bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2565963Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696354A (en) * | 2015-03-04 | 2015-06-10 | 中国海洋石油总公司 | Integral floating type thrust bearing |
-
2002
- 2002-08-19 CN CN 02246311 patent/CN2565963Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696354A (en) * | 2015-03-04 | 2015-06-10 | 中国海洋石油总公司 | Integral floating type thrust bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20020819 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |