CN206487779U - Bearing cap and Solids control for drilling fluids centrifuge propeller - Google Patents
Bearing cap and Solids control for drilling fluids centrifuge propeller Download PDFInfo
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- CN206487779U CN206487779U CN201720096331.9U CN201720096331U CN206487779U CN 206487779 U CN206487779 U CN 206487779U CN 201720096331 U CN201720096331 U CN 201720096331U CN 206487779 U CN206487779 U CN 206487779U
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- bearing cap
- screw rod
- centrifuge
- propeller
- helical blade
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Abstract
The utility model bearing cap and Solids control for drilling fluids centrifuge propeller are related to a kind of centrifuge propeller and its accessory.It is a kind of without solid accumulation, discharge stabilization, the bearing cap and Solids control for drilling fluids centrifuge propeller for reducing bearing loss its purpose is to provide.The utility model bearing cap and Solids control for drilling fluids centrifuge propeller, including screw rod and bearing cap, the screw rod includes big end and small end, the small end of the screw rod is connected with small end plate, big end and is connected with big end plate, cone cylinder and straight tube are arranged with the screw rod, the cone cylinder connects the small end plate, the straight tube connects the big end plate, described bearing cap one end abuts the small end plate, the other end and abuts the screw rod, the bearing cap is provided with helical blade, and the hand of spiral of the helical blade is opposite with the hand of spiral of the screw rod;The cone cylinder offers discharge gate on the cylinder of the bearing cap position.
Description
Technical field
The utility model is related to a kind of centrifuge propeller and its accessory, more particularly to a kind of bearing cap and drilling fluid
Fixed control centrifugal machine propeller.
Background technology
The drilling fluid that oil and gas exploration drilling well is used is a kind of containing many water-based suspensions insoluble in solid phase particles
Liquid or oil-based suspension.In the processing procedure of drilling fluid, horizontal spiral discharge sedimentation centrifuge is commonly used to as solids control
Afterbody purifier, for separating the fine rock chips particle in drilling fluid, it can also be used to drilling fluid weighting material return
Receive, such as:Barite.The solid matters such as cutting grain or barite that centrifuge is isolated are discharged by solid phase outlet, it is necessary to return
Receive the liquid phase that utilizes from liquid phase outlet be discharged to mud tube in recycle.
Solid phase outlet is located in cone cylinder in centrifuge part, passes through pushing spiral on propeller and two panels reverse acting spiral
Interaction, solid matter is discharged by the outlet in cone cylinder, because the presence of propeller little-end bearing lid causes reverse leaf
There is certain distance between piece end and small end side surface, this easily accumulates solid phase, when accumulation solid phase is excessive, solid formation apart from upper
Matter can be squeezed into small end plate and propeller little-end bearing lid gap, by above-mentioned gap-contact to oil sealing, meeting after oil sealing is worn
The protective effect to bearing is lost, so as to cause the damage of internal bearings.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of without solid accumulation, discharge stabilization, reduction bearing loss
Bearing cap and Solids control for drilling fluids centrifuge propeller.
The utility model bearing cap, including bearing cap body, the helical blade that is connected on the bearing cap body, it is described
Bearing cap body includes the side coaxial with installation axle, the side two ends are connected first end face and second end face, the spiral shell
Vane piece is arranged on the side of the bearing cap body, and the helical blade is from the first end face to the second end face
Extend spirally.
The utility model bearing cap, wherein the bearing cap body is provided with shoulder hole, the shoulder hole is in the bearing
The circumferencial direction of lid body is uniformly distributed.
The utility model bearing cap, wherein covered with wear-resisting spray-welding coating on the helical blade.
The utility model Solids control for drilling fluids centrifuge propeller, including screw rod and the bearing cap, the spiral
Bar includes big end and small end, and the small end of the screw rod, which is connected with small end plate, big end and is connected with big end plate, the screw rod, to be covered
Provided with cone cylinder and straight tube, the cone cylinder connects the small end plate, and the straight tube connects the big end plate, and bearing cap one end abuts institute
State small end plate, the other end and abut the screw rod, the hand of spiral and the screw rod of the helical blade of the bearing cap
The hand of spiral it is opposite;The cone cylinder offers discharge gate on the cylinder of the bearing cap position.
The utility model Solids control for drilling fluids centrifuge propeller, wherein the helical structure afterbody of the screw rod and the spiral shell
Alignd in the middle part of the helical structure of vane piece.
The utility model Solids control for drilling fluids centrifuge propeller, wherein the bearing cap body is provided with shoulder hole, it is described
Shoulder hole is uniformly distributed in the circumferencial direction of the bearing cap body, and fixing bolt, the fixed spiral shell are provided with the shoulder hole
Tether and connect the bearing cap body and the screw rod.
The utility model Solids control for drilling fluids centrifuge propeller, wherein covered with resistance on the bearing cap and the screw rod
Grind spray-welding coating.
The utility model Solids control for drilling fluids centrifuge propeller, wherein the helical blade is at least provided with one.
The utility model bearing cap and Solids control for drilling fluids centrifuge propeller difference from prior art are this reality
It is set to the bearing cap of novel bearing lid and Solids control for drilling fluids centrifuge propeller in the structure with helical blade, propeller
Provided with screw rod, the helical structure of screw rod and the hand of spiral of helical blade are on the contrary, helical blade is used as the reverse of screw rod
Blade, backward vane and screw rod use cooperatively the distance for farthest reducing backward vane and small end plate, it is to avoid solid
The excess accumulation of phase material, makes the solid matter that centrifuge handles drilling fluid generation all be excluded from the outlet of cone cylinder, from root
The situation of the bearing damage produced because solid phase is accumulated is solved in sheet, the service life of centrifuge is added.Screw rod
Alignd in the middle part of the helical structure of helical structure afterbody and helical blade, reach backward vane and best counter push away effect and guiding thing
Material discharge.
Bearing cap of the present utility model and Solids control for drilling fluids centrifuge propeller are made furtherly below in conjunction with the accompanying drawings
It is bright.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model Solids control for drilling fluids centrifuge propeller;
Fig. 2 is the structural representation of the utility model bearing cap;
Fig. 3 is the right view of the utility model bearing cap.
Accompanying drawing is marked:1st, small end plate;2nd, bearing cap;21st, helical blade;22nd, bearing cap body;23rd, second end face;24、
First end face;25th, shoulder hole;26th, positioning hole;3rd, cone cylinder;31st, discharge gate;4th, screw rod;5th, straight tube;6th, big end plate.
Embodiment
With reference to shown in Fig. 2 and Fig. 3, the utility model bearing cap, including bearing cap body 22, it is connected to bearing cap body 22
On helical blade 21.Bearing cap body 22 is arranged on the mounting shaft, bearing cap body 22 include the side coaxial with installation axle,
The first end face 24 and second end face 23 of side two ends connection, helical blade 21 are arranged on the side of bearing cap body 22, spiral
Blade 21 is extended spirally from first end face 24 to second end face 23.According to actual needs, the pitch and spiral of helical blade 21 are straight
Footpath can be set to different sizes.
Bearing cap body 22 is provided with shoulder hole 25, and shoulder hole 25 is uniformly distributed in the circumferencial direction of bearing cap body 22,
Shoulder hole 25 is used to be fixedly mounted, and bearing cap 2 is fixed.Covered with wear-resisting spray-welding coating on helical blade 21, wear-resisting spray-welding coating is set
The tungsten carbide coating for being 1mm-2mm for thickness, wear-resisting spray-welding coating reduces abrasion of the fluid to helical blade 21.
With reference to shown in Fig. 1-3, the utility model has the Solids control for drilling fluids centrifuge propeller of above-mentioned bearing cap, including spiral shell
Swing arm 4 and above-mentioned bearing cap 2, screw rod 4 include big end and small end, and the small end of screw rod 4 is connected with small end plate 1, big end connection
There are the cone cylinder 3 and straight tube 5 for being arranged with and being fixedly connected on big end plate 6, screw rod 4, cone cylinder 3 connects small end plate 1, and straight tube 5 is connected greatly
End plate 6.The one end of bearing cap 2 abuts small end plate 1, the other end and abuts screw rod 4, the hand of spiral of the helical blade 21 of bearing cap 2
It is opposite with the hand of spiral of screw rod 4;Cone cylinder 3 offers discharge gate 31 on the cylinder of the position of bearing cap 2.Bearing cap 2
The hand of spiral of helical blade 21 and screw rod 4 is on the contrary, i.e. helical blade 21 is backward vane, installation axle relative to screw rod 4
Rotate and drive screw rod 4 and helical blade 21 to rotate simultaneously, screw rod 4 conveys the material of straight tube 5 to discharge gate 31, bearing cap 2
On helical blade 21 block prevention material and transmitted to small end plate 1 and directing material is discharged to discharge gate 31;And helical blade
21 rotations can stir the material being deposited in cone cylinder 3 close to small end plate 1, promote material discharge.
Backward vane is set on bearing cap 2, and the structure type of this propeller bearing cap 2 is farthest reduced instead
To the distance of blade and small end plate 1, it is to avoid the excess accumulation of solid matter, the centrifuge is set to handle the solid formation that drilling fluid is produced
Matter is all excluded from the outlet of cone cylinder 3, is fundamentally solved the situation of the bearing damage produced because solid phase is accumulated, is increased
The service life of centrifuge is added.The helical structure afterbody of screw rod 4 makes anti-with being alignd in the middle part of the helical structure of helical blade 21
Reached to blade and best counter push away effect and directing material discharge.
Helical blade 21 is at least provided with one, and the number of helical blade 21, can be with according to pitch and the difference of screw diameter
Varying number is set, and by practice, scheme preferably is that two helical blades 21, the edge of helical blade 21 are set on bearing cap 2
First end face 24 is spirally extended to second end face 23, and the rear and front end of helical blade 21 is just with bearing cap body 22 same flat
On face.
Bearing cap body 22 is provided with shoulder hole 25, and shoulder hole 25 is uniformly distributed in the circumferencial direction of bearing cap body 22,
Fixing bolt, fixing bolt connection bearing cap body 22 and screw rod 4 are provided with shoulder hole 25.The end face and spiral of bearing cap 2
The end face of bar 4 coordinates location and installation, and fixing bolt is tightened on bearing cap body 22 and screw rod 4, fixing bearing lid body 22.
Connection bolt in positioning hole 26, positioning hole 26, convenient positioning bearing cap body 22 are additionally provided with bearing cap body 22.
Covered with wear-resisting spray-welding coating on bearing cap 2 and screw rod 4, wear-resisting spray-welding coating is set to the carbonization that thickness is 1mm-2mm
Tungsten coating, prevents the anti-abrasion for pushing away solid matter to blade, increases service life.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality
New scope is defined, on the premise of the utility model design spirit is not departed from, and those of ordinary skill in the art are to this
Various modifications and improvement that the technical scheme of utility model is made, all should fall into the protection of the utility model claims determination
In the range of.
Claims (8)
1. a kind of bearing cap, it is characterised in that:Including bearing cap body (22), the spiral shell being connected on the bearing cap body (22)
Vane piece (21), the first end that the bearing cap body (22) includes the side coaxial with installation axle, the side two ends are connected
Face (24) and second end face (23), the helical blade (21) are arranged on the side of the bearing cap body (22), described
Helical blade (21) is extended spirally from the first end face (24) to the second end face (23).
2. bearing cap according to claim 1, it is characterised in that:The bearing cap body (22) is provided with shoulder hole
(25), the shoulder hole (25) is uniformly distributed in the circumferencial direction of the bearing cap body (22).
3. bearing cap according to claim 1, it is characterised in that:Covered with wear-resisting surfacing on the helical blade (21)
Layer.
4. a kind of Solids control for drilling fluids centrifuge propeller with bearing cap described in claim 1, it is characterised in that:Including spiral
Bar (4) and the bearing cap (2), the screw rod (4) include big end and small end, and the small end of the screw rod (4) is connected with small
End plate (1), big end are connected with big end plate (6), the screw rod (4) and are arranged with cone cylinder (3) and straight tube (5), the cone cylinder (3)
The small end plate (1) is connected, the straight tube (5) connects the big end plate (6), the helical blade of the bearing cap (2)
(21) the hand of spiral is opposite with the hand of spiral of the screw rod (4);The cone cylinder (3) is close to the bearing cap (2) position
Cylinder on offer discharge gate (31).
5. Solids control for drilling fluids centrifuge propeller according to claim 4, it is characterised in that:The spiral shell of the screw rod (4)
Rotation structure tail portions in the middle part of the helical structure of the helical blade (21) with aliging.
6. Solids control for drilling fluids centrifuge propeller according to claim 4, it is characterised in that:The bearing cap body (22)
Shoulder hole (25) is provided with, the shoulder hole (25) is uniformly distributed in the circumferencial direction of the bearing cap body (22), the rank
Fixing bolt is provided with terraced hole (25), the fixing bolt connects the bearing cap body (22) and the screw rod (4).
7. Solids control for drilling fluids centrifuge propeller according to claim 4, it is characterised in that:The bearing cap (2) and institute
State on screw rod (4) covered with wear-resisting spray-welding coating.
8. Solids control for drilling fluids centrifuge propeller according to claim 4, it is characterised in that:The helical blade (21) is extremely
One is provided with less.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720096331.9U CN206487779U (en) | 2017-01-24 | 2017-01-24 | Bearing cap and Solids control for drilling fluids centrifuge propeller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720096331.9U CN206487779U (en) | 2017-01-24 | 2017-01-24 | Bearing cap and Solids control for drilling fluids centrifuge propeller |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206487779U true CN206487779U (en) | 2017-09-12 |
Family
ID=59766246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720096331.9U Active CN206487779U (en) | 2017-01-24 | 2017-01-24 | Bearing cap and Solids control for drilling fluids centrifuge propeller |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206487779U (en) |
-
2017
- 2017-01-24 CN CN201720096331.9U patent/CN206487779U/en active Active
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