CN213392029U - Glass fiber reinforced plastic centralizer - Google Patents
Glass fiber reinforced plastic centralizer Download PDFInfo
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- CN213392029U CN213392029U CN202021784378.2U CN202021784378U CN213392029U CN 213392029 U CN213392029 U CN 213392029U CN 202021784378 U CN202021784378 U CN 202021784378U CN 213392029 U CN213392029 U CN 213392029U
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- sliding sleeve
- mandrel
- spring
- fixedly connected
- support
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Abstract
The utility model discloses a glass fiber reinforced plastic centralizer, which comprises a mandrel, wherein the upper top end of the mandrel is provided with an upper joint fixedly connected with the mandrel, the upper top end of the mandrel is provided with a lower joint fixedly connected with the mandrel, the mandrel is provided with an upper sliding sleeve and a lower sliding sleeve which are in sliding sleeve joint with the mandrel, a middle fixed bracket fixedly connected with the mandrel is arranged between the upper sliding sleeve and the lower sliding sleeve, the upper sliding sleeve is fixedly connected with an upper sliding bracket, the lower sliding sleeve is fixedly connected with a lower sliding bracket, a spring leaf is arranged between the upper sliding support and the lower sliding support and is fixedly connected with the upper sliding support and the lower sliding support, an upper spring fixedly connected is arranged between the upper sliding sleeve and the middle fixing support, a lower spring fixedly connected is arranged between the lower sliding sleeve and the middle fixing support, and the lower spring and the upper spring are both arranged on the outer surface of the mandrel; the utility model discloses an upper sliding sleeve of design can slide at the dabber to the reliability of centralizer work has been improved.
Description
Technical Field
The utility model relates to a centralizer equipment technical field specifically is a glass steel centralizer.
Background
The centralizer belongs to a well cementing tool, is simple to manufacture, attractive in structure, firm and durable, has large centralizing force, overcomes the defect that the conventional welding type centralizer is easy to be detached from welding, and can ensure the well drilling and cementing quality; the size can be from 1.5 to 20in according to the specification; the material may be cast steel, cast aluminum, resin, etc.
However, when the sucker rod moves up and down in the oil pipe, the rod and the wall of the oil pipe are easy to rub due to elastic deformation of the sucker rod, and the sucker rod is easy to break off, so that the oil extraction service life of the oil pumping unit is shortened, crude oil leakage or large-area pollution is caused, and the normal operation of drilling construction is seriously influenced.
Therefore, the inventor provides the glass fiber reinforced plastic centralizer by combining various factors.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a glass steel centralizer to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a glass steel centralizer, includes the dabber, the dabber top is equipped with the top connection that links to each other with the dabber is fixed, the dabber top is equipped with the lower clutch that links to each other with the dabber is fixed, the spindle is equipped with the last sliding sleeve and the lower sliding sleeve that cup joint with the dabber slip, go up be equipped with between sliding sleeve and the lower sliding sleeve with dabber fixed connection's middle fixed bolster, go up sliding bracket on the fixedly connected with, sliding bracket under fixedly connected with is sheathe in to belonged to, go up and be equipped with the spring leaf between sliding bracket and the lower sliding bracket, spring leaf and last sliding bracket and lower sliding bracket fixed connection, it is equipped with fixed connection's last spring to go up between sliding sleeve and the middle fixed bolster, be equipped with fixed connection's lower spring down between sliding sleeve and the middle fixed bolster, lower spring and last.
The during operation is hugged closely the material surface that needs to right at first arbitrary one of top connection or lower clutch, and then the spring leaf will drive sliding support under the effect of spring and move at the dabber to the sliding sleeve will upwards form certain pressure to the surface of material, and for its effect that provides the support, has improved life simultaneously, compares in traditional centralizer, has not only improved the stability of work, still to the great reduction of the destruction degree of the material or the product of needs rightting.
As a further aspect of the present invention: the spring piece both ends are equipped with curling portion, curling portion passes through bayonet lock and last sliding support and lower sliding support fixed connection.
As a further aspect of the present invention: the upper sliding sleeve, the lower sliding sleeve and the middle fixed support are all provided with spring grooves, and the upper spring and the lower spring are clamped on the spring grooves and connected with the upper sliding support, the lower sliding support and the middle fixed support.
As a further aspect of the present invention: go up the last sliding support that is equipped with fixed connection on the sliding sleeve, be equipped with fixed connection's lower sliding support on the lower sliding sleeve, the dabber both ends are equipped with spacing groove and lower spacing groove respectively, go up sliding sleeve and be equipped with sliding pin and lower sliding pin on the lower sliding sleeve respectively, go up sliding pin and last spacing groove sliding connection, lower sliding pin and lower spacing groove sliding connection.
As a further aspect of the present invention: the upper sliding sleeve is provided with an upper limiting mechanism below, the lower sliding sleeve is provided with a lower limiting mechanism below, the upper limiting mechanism and the lower limiting mechanism can be screws, the number of the screws is 5-8, the two ends of the mandrel are uniformly distributed on the circumference, and the screws are fixedly connected with the surface of the mandrel through welding.
As a further aspect of the present invention: the number of the spring pieces is 6-8, and the spring pieces are uniformly distributed around the mandrel.
As a further aspect of the present invention: the upper joint, the lower joint, the upper sliding sleeve, the lower sliding sleeve, the spring piece and the mandrel are all made of high-strength glass fiber reinforced plastic materials, wear-resistant layers are arranged on the surfaces of the upper joint, the lower joint, the upper spring, the lower spring and the mandrel, the wear-resistant layers are made of aluminum-silicon-chromium-titanium coatings, the thickness of each wear-resistant layer is 0.1-0.3mm, and waterproof coatings are respectively coated on the wear-resistant layers and are polyurethane waterproof coatings.
Compared with the prior art, the utility model discloses the beneficial effect of following several aspects has:
1. the utility model provides a glass fiber reinforced plastic centralizer, which is skillfully arranged and reasonably arranged, and the utility model is provided with a centering device; the during operation is hugged closely the material surface that needs to right at first arbitrary one of top connection or lower clutch, and then the spring leaf will drive sliding support under the effect of spring and move at the dabber to the sliding sleeve will upwards form certain pressure to the surface of material, and for its effect that provides the support, has improved life simultaneously, compares in traditional centralizer, has not only improved the stability of work, still to the great reduction of the destruction degree of the material or the product of needs rightting.
2. The utility model further improves the service life of the glass fiber reinforced plastic centralizer through the designed waterproof layer, and simultaneously improves the corrosion resistance of the glass fiber reinforced plastic centralizer; the wear-resistant layer reduces the wear speed of the glass fiber reinforced plastic centralizer when in use, reduces the maintenance frequency and further prolongs the service life of the product.
3. The utility model discloses further glass steel material through the high strength of design not only can improve the glass steel and right the support intensity of gas, the performance of using has also been improved simultaneously, thereby the work efficiency of glass steel centralizer has also been improved, stop gear through the design, make the removal space of sliding sleeve only can be between joint box stop gear, and then through the sliding pin of design on the sliding sleeve, make the sliding sleeve can only slide along the spacing groove, the independent atress when also having avoided the sliding pin to slide extreme position simultaneously.
4. The utility model further has the advantages that the spring pieces are arranged between the upper sliding support and the lower sliding support, which can assist the joint to resist the extrusion force to be born, thereby prolonging the service life of the glass fiber reinforced plastic centralizer; the upper sleeve and the lower sleeve which are designed can slide on the mandrel, even if one end of the upper sleeve and the lower sleeve are blocked under the condition that the upper sleeve and the lower sleeve cannot do work, the other end of the upper sleeve and the lower sleeve can also work normally, and the reliability of the glass fiber reinforced plastic centralizer in the working area is improved.
Drawings
Fig. 1 is a schematic structural diagram of a glass fiber reinforced plastic centralizer.
Fig. 2 is a schematic cross-sectional structure diagram of a glass fiber reinforced plastic centralizer.
Fig. 3 is a schematic diagram of a partially enlarged structure of a glass fiber reinforced plastic centralizer.
In the figure: 1. an upper joint; 2. an upper sliding support; 3. an upper spring; 4. a spring plate; 5. a lower spring; 6. a lower sliding bracket; 7. a lower joint; 8. a lower sliding sleeve; 9. a middle fixed bracket; 10. an upper sliding sleeve; 11. a mandrel; 12. drawing a movable pin; 13. a bayonet lock; 14. a lower slide pin; 15. a lower limiting groove; 16. a lower limit mechanism; 17. An upper limit mechanism; 18. an upper limiting groove; 19. a spring slot; 20. a curled portion.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to fig. 1-3, a glass fiber reinforced plastic centralizer comprises a mandrel 11, wherein an upper joint 1 fixedly connected with the mandrel 11 is arranged at the upper top end of the mandrel 11, a lower joint 7 fixedly connected with the mandrel 11 is arranged at the upper top end of the mandrel 11, an upper sliding sleeve 10 and a lower sliding sleeve 8 which are slidably sleeved with the mandrel 11 are arranged on the mandrel 11, a middle fixing support 9 fixedly connected with the mandrel 11 is arranged between the upper sliding sleeve 10 and the lower sliding sleeve 8, an upper sliding support 2 is fixedly connected with the upper sliding sleeve 10, a lower sliding support 6 is fixedly connected with the lower sliding sleeve 8, a spring piece 4 is arranged between the upper sliding support 2 and the lower sliding support 6, the spring piece 4 is fixedly connected with the upper sliding support 2 and the lower sliding support 6, an upper spring 3 fixedly connected with the middle fixing support 9 is arranged between the upper sliding sleeve 10 and the middle fixing support 9, and a lower spring 5 fixedly connected with the lower sliding sleeve 8 and the middle fixing support 9 are arranged, the lower spring 5 and the upper spring 3 are both arranged on the outer surface of the mandrel 11;
two ends of the spring piece 4 are provided with curling parts 20, and the curling parts 20 are respectively fixedly connected with the upper sliding support 2 and the lower sliding support 6 through clamping pins 13; the number of the spring pieces 4 is 6, and the spring pieces 4 are uniformly distributed around the mandrel 11; the upper sliding sleeve 10, the lower sliding sleeve 8 and the middle fixed bracket 9 are all provided with spring grooves 19, and the upper spring 3 and the lower spring 5 are clamped on the spring grooves 19 and connected with the upper sliding bracket 2, the lower sliding bracket 6 and the middle fixed bracket 9; the upper sliding sleeve 10 is provided with an upper sliding support 2 fixedly connected with the upper sliding sleeve, the lower sliding sleeve 8 is provided with a lower sliding support 6 fixedly connected with the lower sliding sleeve, two ends of the mandrel 11 are respectively provided with an upper limiting groove 18 and a lower limiting groove 15, the upper sliding sleeve 10 and the lower sliding sleeve 8 are respectively provided with an upper sliding pin 12 and a lower sliding pin 14, the upper sliding pin 12 is in sliding connection with the upper limiting groove 18, and the lower sliding pin 14 is in sliding connection with the lower limiting groove 15;
an upper limiting mechanism 17 is arranged below the upper sliding sleeve 10, a lower limiting mechanism 16 is arranged above the lower sliding sleeve 8, the upper limiting mechanism 17 and the lower limiting mechanism 16 can be screws, the number of the screws is 5-8, two ends of the mandrel 11 are uniformly distributed on the circumference, and the screws are fixedly connected with the surface of the mandrel 11 through welding; the utility model discloses a waterproof coating, including top connection 1, lower clutch 7, upper sliding sleeve 10, lower sliding sleeve 8, spring leaf 4 and dabber 11, top connection 1, lower clutch 7, upper spring 3, lower spring 5 and dabber 11 surface all are equipped with the wearing layer, the material of wearing layer is aluminium silicon chromium titanium coating, the thickness of wearing layer is 0.2mm, and all has coated waterproof paint, waterproof paint is polyurethane waterproof paint.
The utility model discloses a theory of operation is:
when the centering device works, any one of the upper joint 1 or the lower joint 7 is tightly attached to the surface of a material to be centered, and then the spring piece 4 drives the sliding support to move on the mandrel 11 under the action of the spring, so that the sliding sleeve can upwards form certain pressure on the surface of the material and provide a supporting effect for the material, and meanwhile, the service life is prolonged; the service life of the glass fiber reinforced plastic centralizer is greatly prolonged through the designed waterproof layer, and meanwhile, the corrosion resistance of the glass fiber reinforced plastic centralizer is also improved; the wear-resistant layer is designed to reduce the wear speed of the glass fiber reinforced plastic centralizer in use, and meanwhile, the maintenance frequency is reduced, so that the service life of the product is prolonged;
the supporting strength of the glass fiber reinforced plastic centering gas can be improved through the designed high-strength glass fiber reinforced plastic material, and the use performance is also improved, so that the working efficiency of the glass fiber reinforced plastic centering device is also improved; due to the fact that the spring pieces 4 are arranged between the upper sliding support 2 and the lower sliding support 6, the joint can be assisted to resist the extrusion force required to be borne, and the service life of the glass fiber reinforced plastic centralizer is prolonged; the upper sleeve and the lower sliding sleeve 8 which are designed can slide on the mandrel 11, even if one end of the upper sleeve and the lower sliding sleeve are blocked under the condition that one end of the lower sleeve cannot be used in work, the other end of the lower sleeve can also work normally, and the working reliability of the glass fiber reinforced plastic centralizer in a working area is improved.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (7)
1. The glass fiber reinforced plastic centralizer comprises a mandrel (11) and is characterized in that an upper joint (1) fixedly connected with the mandrel (11) is arranged at the upper top end of the mandrel (11), a lower joint (7) fixedly connected with the mandrel (11) is arranged at the upper top end of the mandrel (11), an upper sliding sleeve (10) and a lower sliding sleeve (8) which are slidably sleeved with the mandrel (11) are arranged on the mandrel (11), a middle fixed support (9) fixedly connected with the mandrel (11) is arranged between the upper sliding sleeve (10) and the lower sliding sleeve (8), an upper sliding support (2) is fixedly connected onto the upper sliding sleeve (10), a lower sliding support (6) is fixedly connected onto the lower sliding sleeve (8), a spring piece (4) is arranged between the upper sliding support (2) and the lower sliding support (6), and the spring piece (4) is fixedly connected with the upper sliding support (2) and the lower sliding support (6), go up and be equipped with fixed connection's last spring (3) between sliding sleeve (10) and middle fixed bolster (9), be equipped with fixed connection's lower spring (5) between lower sliding sleeve (8) and middle fixed bolster (9), lower spring (5) and last spring (3) are all established on the surface of dabber (11).
2. The glass fiber reinforced plastic centralizer of claim 1, wherein two ends of the spring sheet (4) are provided with curled parts (20), and the curled parts (20) are fixedly connected with the upper sliding support (2) and the lower sliding support (6) through clamping pins (13).
3. A glass fibre reinforced plastic centraliser according to claim 2, wherein the number of spring blades (4) is 6-8 and the spring blades (4) are evenly distributed around the mandrel (11).
4. The glass fiber reinforced plastic centralizer of claim 1, wherein the upper sliding sleeve (10), the lower sliding sleeve (8) and the middle fixed support (9) are respectively provided with a spring groove (19), and the upper spring (3) and the lower spring (5) are clamped on the spring grooves (19) and connected with the upper sliding support (2), the lower sliding support (6) and the middle fixed support (9).
5. A glass fiber reinforced plastic centralizer according to claim 4, wherein the upper sliding sleeve (10) is provided with a fixedly connected upper sliding support (2), the lower sliding sleeve (8) is provided with a fixedly connected lower sliding support (6), the two ends of the mandrel (11) are respectively provided with an upper limiting groove (18) and a lower limiting groove (15), the upper sliding sleeve (10) and the lower sliding sleeve (8) are respectively provided with an upper sliding pin (12) and a lower sliding pin (14), the upper sliding pin (12) is in sliding connection with the upper limiting groove (18), and the lower sliding pin (14) is in sliding connection with the lower limiting groove (15).
6. The glass fiber reinforced plastic centralizer of claim 5, wherein an upper limiting mechanism (17) is arranged below the upper sliding sleeve (10), a lower limiting mechanism (16) is arranged above the lower sliding sleeve (8), the upper limiting mechanism (17) and the lower limiting mechanism (16) can be screws, the number of the screws is 5-8, two ends of the mandrel (11) are uniformly distributed on the circumference, and the screws are fixedly connected with the surface of the mandrel (11) through welding.
7. The glass fiber reinforced plastic centralizer according to claim 6, wherein the upper joint (1), the lower joint (7), the upper sliding sleeve (10), the lower sliding sleeve (8), the spring piece (4) and the mandrel (11) are all made of high-strength glass fiber reinforced plastic, wear-resistant layers are arranged on the surfaces of the upper joint (1), the lower joint (7), the upper spring (3), the lower spring (5) and the mandrel (11), the wear-resistant layers are made of aluminum-silicon-chromium-titanium coatings, the thickness of each wear-resistant layer is 0.1-0.3mm, and the wear-resistant layers are all coated with waterproof coatings, and the waterproof coatings are polyurethane waterproof coatings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021784378.2U CN213392029U (en) | 2020-08-25 | 2020-08-25 | Glass fiber reinforced plastic centralizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021784378.2U CN213392029U (en) | 2020-08-25 | 2020-08-25 | Glass fiber reinforced plastic centralizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213392029U true CN213392029U (en) | 2021-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021784378.2U Active CN213392029U (en) | 2020-08-25 | 2020-08-25 | Glass fiber reinforced plastic centralizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213392029U (en) |
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2020
- 2020-08-25 CN CN202021784378.2U patent/CN213392029U/en active Active
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