CN202895113U - Pick-out device for locking ring assembly of well logging during drilling instrument - Google Patents
Pick-out device for locking ring assembly of well logging during drilling instrument Download PDFInfo
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- CN202895113U CN202895113U CN 201220530467 CN201220530467U CN202895113U CN 202895113 U CN202895113 U CN 202895113U CN 201220530467 CN201220530467 CN 201220530467 CN 201220530467 U CN201220530467 U CN 201220530467U CN 202895113 U CN202895113 U CN 202895113U
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- ring assembly
- retaining ring
- hole
- fixed head
- screw rod
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Abstract
The utility model relates to a pick-out device for a locking ring assembly of a well logging during drilling instrument. The pick-out device for the locking ring assembly of the well logging during drilling instrument comprises a screw and a fixing board, wherein a thread is arranged on the outer wall of a main body of the screw, a through hole is formed in the fixing board, a thread on the inner wall of the through hole is matched with the thread arranged on the outer wall of the main body of the screw, so that one end of the screw can be screwed into the through hole which penetrates through the fixing board. The position of the through hole of the fixing board corresponds to the position of an inner hole of the licking ring assembly. The fixing board further comprises a round hole, the diameter of the round hole is the same with that of a bolt hole in the locking ring assembly, and the round hole and the bolt hole in the locking ring assembly are on the same axis. The pick-out device for the locking ring assembly further comprises a connecting bolt, wherein the connecting bolt is used for penetrating through the round hole of the fixing board and being screwed into the bolt hole of the locking ring assembly. According to the pick-out device for the locking ring assembly of the well logging during drilling instrument, connection performance and a transmission performance of threads are utilized, when the screw is rotated, torsion can be converted into powerful tension, and finally, the locking ring assembly is picked out.
Description
Technical field
The utility model relates to a kind of retaining ring assembly withdrawing device of connector for logging while drilling, relate to especially the dissimilar retaining ring at connector for logging while drilling, particularly the coupling mechanism force of retaining ring assembly and connector for logging while drilling outer casing inner wall more greatly or very large, when conventional method is difficult to work, be applicable to the withdrawing device of this retaining ring assembly.
Background technology
Connector for logging while drilling is made of internal circuit and shell two parts, when instrument during in underground work, such structural design can cause in the enclosure section's slip of internal circuit, cause between the instrument problems such as connecting communication is smooth, circuit damage, the effect of retaining ring assembly blocks internal circuit in shell exactly, prevents in the enclosure section's slip of internal circuit.
Existing retaining ring assembly removing method is very simple, four tiny bolts are screwed into four bolts hole on the retaining ring assembly, when screw top at the circuit bottom end face, in swivel bolt, utilize the characteristics of screw thread transmission campaign and power that the retaining ring assembly is taken out.
But there are following three problem defectives in this method:
1. generally, under the instrument during well operations, because the impact of the factors such as mud, temperature, vibrations, can cause the very dead of retaining ring assembly and outer casing inner wall lock, at this moment, existing method is difficult to its taking-up, and often because moment of torsion is excessive, make bolt be subjected to the excessive and fracture of shearing force, block bolt hole, increased difficulty for taking-up work, not only will spend a large amount of time and manpower, also will cause ensuing work to carry out, and cause operating efficiency low;
2. the retaining ring assembly has two types design, and existing method is only applicable to wherein one type, is fully not effect to another type;
3. when turning four stove bolts, bolt must be consistent to the power of four application points on the retaining ring assembly, if the power on four application points is inconsistent, just probably cause the damage to the retaining ring assembly, but owing to being to use spanner to rotate respectively sequentially four bolts, therefore to reach simultaneously unanimously be very difficult to the power of four application points, so this method is very large to locking bad damageability.
The utility model content
Purpose of design of the present utility model is by adopting a kind of new method to realize a kind of Component composition, solving problems of the prior art.
In order to overcome the problems referred to above, the utility model provides a kind of connector for logging while drilling retaining ring assembly withdrawing device, comprise screw rod and fixed head, the outer wall of the main body of screw rod is provided with screw thread, fixed head is provided with through hole, the screw thread that arranges on the outer wall of the screw thread on the inwall of through hole and the main body of screw rod is suitable, so that an end of screw rod can be screwed into the through hole that passes fixed head; The through hole of fixed head is corresponding with the position of the endoporus of retaining ring assembly; Fixed head also comprises circular hole, and the diameter of the bolt hole on the diameter of circular hole and the retaining ring assembly is identical, and the bolt hole on circular hole and the retaining ring assembly is on same axis; Retaining ring assembly withdrawing device also comprises connecting bolt, and this connecting bolt is used for passing the circular hole of fixed head, is screwed into the bolt hole of retaining ring assembly.
Retaining ring assembly withdrawing device also comprises the righting head, the righting head is used for putting into the endoporus of retaining ring assembly, the first end of righting has the convex shape suitable with the endoporus of retaining ring assembly, and the other end has depression, to admit the end that passes fixed head that is screwed into of screw rod.
The quantity of the bolt hole on the quantity of the circular hole of fixed head and the retaining ring assembly is identical.
The end that passes fixed head that is screwed into of screw rod is designed to not have threaded structure; The other end is designed to and can be blocked by handling instrument.
The other end of screw rod is six side's diagonal forms.
Fixed head is the cylinder identical with retaining ring assembly diameter.
The end of the other end of righting head is that diameter is greater than the cylinder of the diameter of the endoporus of retaining ring assembly.
Screw rod of the present utility model can turn to torsion very powerful pulling force, and the retaining ring assembly takes out the most at last, need not worry locked problem fully again.But also be applicable to the retaining ring assembly of different designs type.When using according to connector for logging while drilling retaining ring assembly withdrawing device of the present utility model, the problem that the retaining ring assembly that can not occur causing because of unbalance stress damages, thus the retaining ring assembly is a kind of effective protection.
Description of drawings
Fig. 1 is the installation diagram according to the connector for logging while drilling retaining ring assembly withdrawing device that provides among embodiment of the utility model.
Fig. 2 is the front view of screw rod 1 of the retaining ring assembly withdrawing device of Fig. 1.
Fig. 3 is the partial sectional view of fixed head 2 of the retaining ring assembly withdrawing device of Fig. 1.
Fig. 4 is the partial sectional view of righting 4 of the retaining ring assembly withdrawing device of Fig. 1.
Fig. 5 is the cutaway view of connecting bolt 5 of the retaining ring assembly withdrawing device of Fig. 1.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, hereinafter in connection with accompanying drawing embodiment of the present utility model is elaborated.
Fig. 1 illustrates the installation diagram of an embodiment of retaining ring assembly withdrawing device provided by the utility model, and it can comprise: screw rod 1, and fixed head 2, connecting bolt 5 can also comprise righting 4.
The retaining ring assembly 3 that retaining ring assembly withdrawing device is used for being arranged in the instrument takes out, the main body of screw rod 1 is provided with screw thread, the through hole that is provided with at fixed head 2, the inwall of through hole is provided with the suitable screw thread of set screw thread on the main body with screw rod 1, the diameter of the through hole on the fixed head 2 and the diameter of screw rod are suitable, so that an end of screw rod 1 can be screwed into fixed head 2.In order to make righting pass an end of the screw rod 1 of fixed head 2, so that the retaining ring assembly is removed, retaining ring assembly withdrawing device can also comprise righting 4, and it is placed on the endoporus of retaining ring assembly 3.As shown in Figure 1, righting 4 can be that an end has the protrusion shape suitable with the endoporus of retaining ring assembly 3, and the other end has depression, to admit an end that passes (be screwed into and pass) fixed head 2 of screw rod 1.
Describe each part of retaining ring assembly withdrawing device: Fig. 2 below in conjunction with accompanying drawing in detail and be the front view of screw rod 1 of the retaining ring assembly withdrawing device of Fig. 1, as can be seen from Figure 2, the main body of screw rod 1 is cylindrical, and the outer wall of its main body is provided with screw thread.Pass the end of fixed head 2 being screwed into of screw rod 1 and can be arranged to not have threaded structure (without helicitic texture), so that can quick insertion in the endoporus of righting 4.
The other end relative with being screwed into the end that passes fixed head 2 of screw rod 1 can design to be convenient to and corresponding handling instrument, and spanner for example is so that make screw rod 1 stressed.For example, the other end of screw rod 1 can be designed to six side's diagonal forms, can certainly be other can with the suitable any shape of handling instrument, for example also can be the pentagon shape, as long as it can enough corresponding handling instruments.
Fig. 3 is the partial sectional view of fixed head 2 of the retaining ring assembly withdrawing device of Fig. 1, fixed head 2 is provided with through hole, the inwall of through hole is provided with the suitable screw thread of set screw thread on the main body with screw rod 1, the diameter of the through hole on the fixed head 2 and the diameter of screw rod are suitable, so that an end of screw rod 1 can be screwed into fixed head 2.The position of through hole is corresponding with the interior hole site of retaining ring assembly 3.The neighboring of fixed head 2 is along also being provided with circular hole, and the position of circular hole is corresponding with retaining ring assembly 3 upper bolt holes and diameter is identical.The quantity of the bolt hole on the number of the circular hole on the fixed head 2 and the retaining ring assembly 3 is identical, for example 4.In addition, fixed head 2 also is designed to have certain thickness, and the shape identical with retaining ring assembly 3 external diameters.Have certain thickness, can make it in use can bear enough pulling force, consistent with the external diameter of retaining ring assembly 3, for example be made as cylindrically for the shape of fixed head 2, can conveniently install.
When fixed head 2 and righting 4 fitted, four circular holes of fixed head 2 and four bolts hole of retaining ring assembly 3 all are located at respectively on the same axis, connecting bolt 5(such as Fig. 1 and shown in Figure 5) can pass the circular hole of fixed head 2 and be screwed into the bolt hole of retaining ring assembly 3, make fixed head 2 fixing with retaining ring assembly 3.
As shown in Figure 5, connector 5 can be connecting bolt, and it also can be any connector that can be screwed into by the circular hole of fixed head 2 bolt hole of retaining ring assembly.Connecting bolt 5 is made by steel material, can bear certain shearing force and axial tension.This device provides four connecting bolts 5, and the screw thread of four bolts hole of its screw thread and retaining ring assembly 3 is chimeric, in order to can be screwed in four bolts hole of retaining ring assembly 3.Usage is four circular holes that pass first on the fixed head 2, is screwed into four bolts hole of retaining ring assembly 3 again, so that fixed head 2 and retaining ring assembly 3 are coupled together.
Fig. 4 is the partial sectional view of righting 4 of the retaining ring assembly withdrawing device of Fig. 1.Righting 4 can be the cylindrical steel body.Righting 4 can be that an end has the convex shape suitable with the endoporus of retaining ring assembly 3, the other end has depression, to admit an end that passes (be screwed into and pass) fixed head 2 of screw rod 1, the end of the other end is that diameter is greater than the cylinder of the diameter of the endoporus of retaining ring assembly 3.The effect at righting screw rod 1 top is played in righting 4, the more important thing is and to withstand screw rod 1, when screw rod 1 rotation, stop it to move forward, thus according to the transmission of screw rod 1, can make fixed head 2 outwards mobile, 2 pairs of retaining ring assemblies of fixed head 3 produce pulling force simultaneously, and retaining ring assembly 3 takes out the most at last.
The installation of this retaining ring assembly withdrawing device and use step are as follows:
1. with chain wrench connector for logging while drilling is fixed, prevent from rotating;
2. 8 screws with retaining ring assembly 3 take off;
With righting 4 by on the endoporus of certain direction (concave panel outwardly) retaining ring of packing into assembly 3 (optional);
4. again fixed head 2 is put into, is made it and a righting 4(or retaining ring assembly 3) fit, and, allow four circular holes on the fixed head 2 and the bolt hole on the retaining ring assembly 3 over against;
5. pass first four circular holes of fixed head 2 with four stove bolts, be screwed into again in four stove bolt holes of retaining ring assembly 3;
6. screw rod 1 is screwed into fixed head 2, and heads in the endoporus of righting 3, re-use for example end of six side diagonal angle shapes that is provided with that spanner blocks screw rod 1, the screw rod 1 that turns clockwise, retaining ring assembly 3 takes out the most at last.
The utility model has utilized connectivity and the transmission of screw thread, by using spanner, rotary screw 1, the fixed head 2 that drives on the screw rod 1 is outwards mobile, and fixed head 2 links together by four connecting bolts 5 and retaining ring assembly 3, when fixed head 2 is outwards mobile, will interlock retaining ring assembly 3 outwards mobile, thereby reach the purpose of taking out the retaining ring assembly of determining.
Rapidoprint of the present utility model is high strength steel, and what adopt is large diameter cylindrical screw 1, torsion can be turned to very powerful pulling force when rotating cylindrical screw rod 1, and retaining ring assembly 3 takes out the most at last, need not worry locked problem fully again.Such design has determined high efficiency and the practicality of this device, under any circumstance, can not only finish very quickly and easily the taking-up task, but also is applicable to the retaining ring assembly 3 of different designs type; Because retaining ring assembly 3 links together by four connecting bolts 5 and fixed head 2, so, when fixed head 2 outwards moved, connecting bolt 5 was consistent at the active force of retaining ring assembly 3, can not occur because the problem that the retaining ring assembly that unbalance stress causes 3 damages.Say in a sense, or to a kind of effective protection of retaining ring assembly.Simultaneously, handling good, easy to use, laborsaving, in the taking-up process to the retaining ring assembly, can use at every turn.
That the utility model compared with prior art has is practical, efficient is high, control simply, characteristics conveniently, can solve the problem that present technical method can't resolve, defective and the deficiency of prior art have been remedied, improve to a great extent operating efficiency, saved a large amount of time costs and personnel cost.
Although the disclosed embodiment of the utility model as above, the embodiment that described content just adopts for the ease of understanding the utility model is not to limit the utility model.Technical staff under any the utility model in the technical field; under the prerequisite that does not break away from the disclosed spirit and scope of the utility model; can do any modification and variation in the details that reaches of implementing in form; but scope of patent protection of the present utility model still must be as the criterion with the scope that appending claims was defined.
Claims (7)
1. retaining ring assembly withdrawing device, it is characterized in that, retaining ring assembly withdrawing device comprises screw rod and fixed head, the outer wall of the main body of described screw rod is provided with screw thread, described fixed head is provided with through hole, the screw thread that arranges on the outer wall of the screw thread on the inwall of described through hole and the main body of described screw rod is suitable, so that an end of described screw rod can be screwed into the through hole that passes described fixed head; The through hole of described fixed head is corresponding with the position of the endoporus of retaining ring assembly;
Described fixed head also comprises circular hole, and the diameter of the bolt hole on the diameter of described circular hole and the retaining ring assembly is identical, and the bolt hole on described circular hole and the retaining ring assembly is on same axis;
Described retaining ring assembly withdrawing device also comprises connecting bolt, and described connecting bolt is used for passing the circular hole of described fixed head, is screwed into the bolt hole of retaining ring assembly.
2. retaining ring assembly withdrawing device as claimed in claim 1, it is characterized in that, described retaining ring assembly withdrawing device also comprises the righting head, described righting head is used for putting into the endoporus of retaining ring assembly, the first end of described righting has the convex shape suitable with the endoporus of retaining ring assembly, the other end has depression, passes an end of described fixed head to admit being screwed into of described screw rod.
3. retaining ring assembly withdrawing device as claimed in claim 1 is characterized in that, the quantity of the bolt hole on the quantity of the circular hole of described fixed head and the retaining ring assembly is identical.
4. retaining ring assembly withdrawing device as claimed in claim 1 is characterized in that, the end that is screwed into an end that passes described fixed head of described screw rod is designed to threadless structure; The other end is designed to and can be blocked by handling instrument.
5. retaining ring assembly withdrawing device as claimed in claim 4 is characterized in that, the other end of described screw rod is six side's diagonal forms.
6. retaining ring assembly withdrawing device as claimed in claim 1 is characterized in that, described fixed head is the cylinder identical with retaining ring assembly diameter.
7. retaining ring assembly withdrawing device as claimed in claim 2 is characterized in that, the end of the other end of described righting head is that diameter is greater than the cylinder of the diameter of the endoporus of retaining ring assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220530467 CN202895113U (en) | 2012-10-17 | 2012-10-17 | Pick-out device for locking ring assembly of well logging during drilling instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220530467 CN202895113U (en) | 2012-10-17 | 2012-10-17 | Pick-out device for locking ring assembly of well logging during drilling instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202895113U true CN202895113U (en) | 2013-04-24 |
Family
ID=48115828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220530467 Expired - Lifetime CN202895113U (en) | 2012-10-17 | 2012-10-17 | Pick-out device for locking ring assembly of well logging during drilling instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202895113U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057417A (en) * | 2014-06-26 | 2014-09-24 | 威海石岛重工有限公司 | Demounting device for threaded locking ring of heat exchanger |
| CN106475953A (en) * | 2016-12-19 | 2017-03-08 | 重庆科技学院 | A kind of the semi-automatic of check-valves robs assembling device |
-
2012
- 2012-10-17 CN CN 201220530467 patent/CN202895113U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057417A (en) * | 2014-06-26 | 2014-09-24 | 威海石岛重工有限公司 | Demounting device for threaded locking ring of heat exchanger |
| CN106475953A (en) * | 2016-12-19 | 2017-03-08 | 重庆科技学院 | A kind of the semi-automatic of check-valves robs assembling device |
| CN106475953B (en) * | 2016-12-19 | 2018-05-25 | 重庆科技学院 | A kind of the semi-automatic of check-valves robs assembling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: CHINA OILFIELD SERVICES Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: CHINA OILFIELD SERVICES Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |
|
| CX01 | Expiry of patent term |