CN209011773U - A kind of geological resource exploration drilling drilling tool righting centering device - Google Patents
A kind of geological resource exploration drilling drilling tool righting centering device Download PDFInfo
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- CN209011773U CN209011773U CN201821872553.6U CN201821872553U CN209011773U CN 209011773 U CN209011773 U CN 209011773U CN 201821872553 U CN201821872553 U CN 201821872553U CN 209011773 U CN209011773 U CN 209011773U
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- support elastic
- elastic sheet
- connection sheets
- centering device
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Abstract
A kind of geological resource exploration drilling drilling tool righting centering device of the utility model discloses a kind of two groups of support elastic sheets of utilization and is supported to drilling rod, carries out righting centering device placed in the middle to the drilling rod of offset.Coldworking strengthened can be carried out to the wall of a borehole, improve the wall of a borehole tightness.It is characterized in that upper lantern ring is placed in the surface of lower collar, the upper lantern ring is connected by multiple connection sheets with lower collar, and multiple connection sheets are distributed in a ring, the ring structure diameter that multiple connection sheets are formed is gradually reduced from the middle to both ends, multiple balls are rotatably placed on lantern ring inner wall respectively, outer press ring is placed on the outside of multiple connection sheets, fixed ring is placed on outer press ring inner wall, the fixed ring inside top is equipped with annular hanger, and it is opening down, the fixed ring bottom inside is equipped with annular hanger, and it is opening up, friction pad is equipped on the inside of the annular hanger, multiple upper support elastic sheet one end are respectively placed on lantern ring, and it is located between two adjacent connection sheets.
Description
Technical field
A kind of geological resource exploration drilling drilling tool righting centering device of the utility model is related to a kind of in geological resource exploration
When, righting centering device placed in the middle is carried out to well drilling tool, belongs to geological exploration field.In particular to a kind of to utilize two groups of support bullets
Piece is supported drilling rod, carries out righting centering device placed in the middle to the drilling rod of offset.
Background technique
Currently, needing to drill using drilling rod, when carrying out oblique drilling hole, due to drilling rod during geological prospecting
Length is larger, is self-possessed heavier, therefore during precession, and drilling rod self weight can generate radial component, and gradient is bigger, component
Bigger, stretching, extension and drilling arm are bonded, so that the mobile frictional force of drilling rod increases, there will be severe stuck situation, and drill
Quality depends primarily on the centrad of drilling rod, i.e. intermediate degree, it is therefore desirable to carry out righting placed in the middle to drilling rod, it is therefore desirable to spacing
Centralizer is set, and existing centralizer mainly has two kinds of rigidity and elasticity, and rigidity is directly fitted with drilling rod surface, so that drilling rod
It rubs between centralizer at work, influences service life, and elastic centralizer is easy insertion the wall of a borehole, in drilling
Wall is formed to hang and be drawn, and inner wall is caused to collapse, especially during geologic prospect, for the bore operation of loose soil layer, and elasticity
The decentralization power of centralizer is bigger than rigidity, needs bigger outer power drive, and existing some centralizer structures are complicated, operation effect
Rate is low, ties up and supports low efficiency.
Publication number CN206693948U discloses that a kind of geological resource exploration drilling drilling tool righting is placed in the middle and casing wear prevention well
Lower tool, structure include casing, connecting tube, spiral centering device, fixing pipe, transverse tube, connecting rod, tube head, abrasionproof tortoise plastron steel mesh,
The both ends of connecting tube are connected with casing, spiral centering device respectively, and spiral centering device is set on the left of fixing pipe, set on the right side of fixing pipe
There is transverse tube, transverse tube is connected with connecting rod, and connecting rod is equipped with tube head, and abrasionproof tortoise plastron steel mesh is fixed on casing, this is practical
Structure is complicated for novel use, does not carry out coldworking strengthened to drill hole inner wall, and collapsing is scraped in drawing easy to form to inner wall.
Summary of the invention
In order to improve above situation, a kind of geological resource exploration drilling drilling tool righting centering device of the utility model provides one
Kind is supported drilling rod using two groups of support elastic sheets, carries out righting centering device placed in the middle to the drilling rod of offset.It can be to drilling
Wall carries out coldworking strengthened, improves the wall of a borehole tightness.
A kind of geological resource exploration drilling drilling tool righting centering device of the utility model is achieved in that the utility model one
Kind geological resource exploration drilling drilling tool righting centering device is prominent by upper lantern ring, ball, upper support elastic sheet, outer press ring, lower collar, extruding
Portion, hanging plate, fixed ring, annular hanger, connection sheet and lower support elastic sheet composition, upper lantern ring is placed in the surface of lower collar, described
Upper lantern ring is connected by multiple connection sheets with lower collar, and multiple connection sheets are distributed in a ring, the ring that multiple connection sheets are formed
Shape diameter of movement is gradually reduced from the middle to both ends, and multiple balls are rotatably placed on lantern ring inner wall respectively, external pressure ring set
It is placed on the outside of multiple connection sheets, fixed ring is placed on outer press ring inner wall, and the fixed ring inside top is equipped with annular hanger, and opens
Mouth down, the fixed ring bottom inside are equipped with annular hanger, and opening up, are equipped with friction pad on the inside of the annular hanger,
Multiple upper support elastic sheet one end are respectively placed on lantern ring, and are located between two adjacent connection sheets, and hanging plate is placed in
It on the support elastic sheet other end, and is placed on the annular hanger of fixed ring inside top, the upper support elastic sheet is apart from upper support
2/3rds position arc of elastic slice one end curves inwardly to form extruding protrusion, and multiple lower support elastic sheet one end are respectively placed in lower collar
On, and be located between two adjacent connection sheets, hanging plate is placed on the lower support elastic sheet other end, and is placed in fixed ring bottom
On annular hanger on the inside of portion, the lower support elastic sheet curves inwardly shape apart from lower 2/3rds position arc of support elastic sheet one end
At protrusion is squeezed, for the extruding protrusion between multiple connection sheets, the extruding protrusion surface is equipped with multiple extruding salient points, institute
It states extruding salient point to be made of silica gel material, the upper set ring diameter is identical with ring diameter of trapping.
Beneficial effect.
One, coldworking strengthened can be carried out to the wall of a borehole, improves the wall of a borehole tightness.
Two, righting is carried out to drilling rod by the deformation reverse extrusion of support elastic sheet, reduces the friction damage to drilling rod.
Three, structure is simple, easy to use.
Detailed description of the invention
Fig. 1 is a kind of three-dimensional structure diagram of geological resource exploration drilling drilling tool righting centering device of the utility model.
Fig. 2 is a kind of three-dimensional structure diagram of geological resource exploration drilling drilling tool righting centering device of the utility model, only
Illustrate the structure of support elastic sheet and lower support elastic sheet.
In attached drawing
Wherein part are as follows: upper lantern ring (1), ball (2), upper support elastic sheet (3), outer press ring (4), lower collar (5) squeeze prominent
Portion (6), hanging plate (7), fixed ring (8), annular hanger (9), connection sheet (10), lower support elastic sheet (11).
Specific embodiment:
A kind of geological resource exploration drilling drilling tool righting centering device of the utility model be achieved in that by upper lantern ring (1),
Ball (2), outer press ring (4), lower collar (5), squeezes protrusion (6), hanging plate (7), fixed ring (8), annular at upper support elastic sheet (3)
Hanger (9), connection sheet (10) and lower support elastic sheet (11) composition, upper lantern ring (1) are placed in the surface of lower collar (5), it is described on
Lantern ring (1) is connected by multiple connection sheets (10) with lower collar (5), and multiple connection sheets (10) are distributed in a ring, Duo Gelian
The ring structure diameter that contact pin (10) is formed is gradually reduced from the middle to both ends, and multiple balls (2) are rotatably placed in respectively
On lantern ring (1) inner wall, outer press ring (4) is placed on the outside of multiple connection sheets (10), and fixed ring (8) is placed on outer press ring (4) inner wall,
Fixed ring (8) inside top is equipped with annular hanger (9), and opening down, and fixed ring (8) bottom inside is equipped with annular
Hanger (9), and it is opening up, it is equipped with friction pad on the inside of the annular hanger (9), multiple upper support elastic sheet (3) one end are set respectively
It on upper lantern ring (1), and is located between two adjacent connection sheets (10), it is another that hanging plate (7) is placed in support elastic sheet (3)
It on end, and is placed on the annular hanger (9) of fixed ring (8) inside top, the upper support elastic sheet (3) is apart from upper support elastic sheet
(3) 2/3rds position arc of one end, which curves inwardly to be formed, squeezes protrusion (6), and multiple lower support elastic sheet (11) one end are respectively placed in
It in lower collar (5), and is located between two adjacent connection sheets (10), it is another that hanging plate (7) is placed in lower support elastic sheet (11)
It on end, and is placed on the annular hanger (9) of fixed ring (8) bottom inside, the lower support elastic sheet (11) is apart from lower support bullet
2/3rds position arc of piece (11) one end, which curves inwardly to be formed, squeezes protrusion (6), and the extruding protrusion (6) is located at multiple connections
Between piece (10), extruding protrusion (6) surface is equipped with multiple extruding salient points, and the extruding salient point is made of silica gel material, institute
It is identical with lower collar (5) diameter to state lantern ring (1) diameter.
In use, multiple the utility model are used cooperatively, one is equipped between two parties every a distance first on drilling rod
Device, drilling rod is successively passed through out of upper lantern ring (1), multiple connection sheets (10) are formed ring structure and lower collar (5), under drilling rod
When brill, ball (2) and drilling rod are in contact, and drilling rod is followed to rotate, and the utility model follows to be bored under drilling rod, outer press ring (4) and drilling
Hole wall fits, and carries out coldworking strengthened to borehole wall, and when offsetting dip occurs in drilling rod, drilling rod squeezes upper support elastic sheet (3)
With the extruding protrusion (6) on lower support elastic sheet (11), protrusion (6) stress deformation, upper support elastic sheet (3) and lower support elastic sheet are squeezed
(11) stress deformation, upper support elastic sheet (3) and lower support elastic sheet (11) have reversed motive force, carry out reverse extrusion to drilling rod
It pushes, makes drilling rod is mobile to restore, and then righting carried out to drilling rod, and pass through upper support elastic sheet (3) and lower support elastic sheet (11)
It deforms reverse extrusion and righting is carried out to drilling rod, the friction to drilling rod can be reduced；
It is equipped with the design of friction pad on the inside of the annular hanger (9), the frictional force between hanging plate (7) can be increased, improves
Stability maintenance；
Described protrusion (6) surface that squeezes is equipped with multiple designs for squeezing salient point, can increase the contact area between drilling rod,
Skidding when avoiding reversely pushing drilling rod is mobile to restore；
Reach and drilling rod is supported using two groups of support elastic sheets, righting purpose placed in the middle is carried out to the drilling rod of offset.
Claims (5)
1. a kind of geological resource exploration drilling drilling tool righting centering device, it is characterized in that: by upper lantern ring, ball, upper support elastic sheet, outer
Pressure ring, lower collar, extruding protrusion, hanging plate, fixed ring, annular hanger, connection sheet and lower support elastic sheet composition, upper lantern ring are placed in down
The surface of lantern ring, the upper lantern ring is connected by multiple connection sheets with lower collar, and multiple connection sheets are distributed in a ring, more
A ball is rotatably placed on lantern ring inner wall respectively, and outer press ring is placed on the outside of multiple connection sheets, and fixed ring is placed in external pressure
On ring inner wall, the fixed ring inside top is equipped with annular hanger, and opening down, and the fixed ring bottom inside is equipped with annular
Hanger, and it is opening up, multiple upper support elastic sheet one end are respectively placed on lantern ring, and are located at two adjacent connection sheets
Between, hanging plate is placed on the support elastic sheet other end, and is placed on the annular hanger of fixed ring inside top, the upper support
Elastic slice curves inwardly to form extruding protrusion apart from upper 2/3rds position arc of support elastic sheet one end, multiple lower support elastic sheet one end
It being respectively placed in lower collar, and is located between two adjacent connection sheets, hanging plate is placed on the lower support elastic sheet other end, and
It is placed on the annular hanger of fixed ring bottom inside, the lower support elastic sheet is apart from lower 2/3rds position of support elastic sheet one end
Arc curves inwardly to form extruding protrusion, and the extruding protrusion is between multiple connection sheets.
2. a kind of geological resource exploration drilling drilling tool righting centering device according to claim 1, it is characterised in that Duo Gelian
The ring structure diameter that contact pin is formed is gradually reduced from the middle to both ends.
3. a kind of geological resource exploration drilling drilling tool righting centering device according to claim 1, it is characterised in that described to squeeze
Pressure protrusion surface is equipped with multiple extruding salient points.
4. a kind of geological resource exploration drilling drilling tool righting centering device according to claim 1, it is characterised in that the ring
Friction pad is equipped on the inside of shape hanger.
5. a kind of geological resource exploration drilling drilling tool righting centering device according to claim 1, it is characterised in that on described
It is identical with ring diameter of trapping to cover ring diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821872553.6U CN209011773U (en) | 2018-11-14 | 2018-11-14 | A kind of geological resource exploration drilling drilling tool righting centering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821872553.6U CN209011773U (en) | 2018-11-14 | 2018-11-14 | A kind of geological resource exploration drilling drilling tool righting centering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209011773U true CN209011773U (en) | 2019-06-21 |
Family
ID=66842361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821872553.6U Active CN209011773U (en) | 2018-11-14 | 2018-11-14 | A kind of geological resource exploration drilling drilling tool righting centering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209011773U (en) |
-
2018
- 2018-11-14 CN CN201821872553.6U patent/CN209011773U/en active Active
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