CN201763319U - Damping and fixing device of measuring cylinder while drilling - Google Patents
Damping and fixing device of measuring cylinder while drilling Download PDFInfo
- Publication number
- CN201763319U CN201763319U CN2010202913149U CN201020291314U CN201763319U CN 201763319 U CN201763319 U CN 201763319U CN 2010202913149 U CN2010202913149 U CN 2010202913149U CN 201020291314 U CN201020291314 U CN 201020291314U CN 201763319 U CN201763319 U CN 201763319U
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- China
- Prior art keywords
- damping
- sliding bar
- measurement
- shell
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a damping and fixing device of a measuring cylinder while drilling. A measuring probe is connected with one end of a damping shell; the other end of the damping shell is connected with a sliding rod; and the sliding rod and the damping shell are connected by a spring buffer mechanism. The spring buffer mechanism comprises a damping spring; both the sliding rod and the damping shell are provided with a step surface; the two ends of the damping spring are respectively pressed on the step surfaces of the sliding rod and the damping shell; and a buffer space is arranged between the bottom end of the sliding rod and the bottom end of an inner hole of the damping shell in the axial direction. In the damping and fixing device of the measuring cylinder while drilling, the spring buffer mechanism is arranged between the sliding rod and the damping shell; moreover, guide slots and guide blocks are respectively arranged between the sliding rod and a limiting nut connected with the damping shell to lead the guide slots and the guide blocks to slide mutually. The spring buffer mechanism comprises the damping spring and a damping cushion, and prevents the measuring probe from deflecting in case of transverse impact force or rotating at high speed, thereby guaranteeing stable and accurate data of tool surfaces measured by the measuring probe.
Description
Technical field
The utility model relates to measurement while drilling tube field, especially relates to a kind of damping fastening devices of measurement while drilling tube.
Background technology
At present, a large amount of wireless drilling inclinometers that adopt carry out directional well survey in the oil drilling at home, and measuring inserting tube is the core component of wireless drilling inclinometers, and most of accurate sensor and treatment circuit all concentrate on this.Therefore measuring inserting tube should avoid measuring inserting tube and suffer severe impact in links such as the load of a whole set of instrument, lifting, accumulating.In underground work, more violent vibrations and impact can not be arranged.
The damping fastening devices of inserting tube is measured in the damping of using on the market now, as shown in Figure 1: measure inserting tube 8 lower ends and link together by screw 13 and damper 12, damper 12 is an elastomeric material, its shortcoming is: though damper 12 is elastomeric material, but damping effect is not obvious, and it is inaccurate or error is bigger directly to cause measuring data that inserting tube 8 measures under strong vibrations; Rubber absorbers 12 can be distorted when suffering side knock or rotating at a high speed, measuring inserting tube 8 deflects, it is incorrect to cause measuring tool-face data instability, value that inserting tube 8 measures, can not reflect the instrument face amount of down-hole reality, to such an extent as to cause bigger economic loss.
The utility model content
The purpose of this utility model is to provide a kind of damping fastening devices of the measurement while drilling tube being carried out effective damping.
The technical solution of the utility model is:
A kind of damping fastening devices of measurement while drilling tube, described measurement inserting tube is connected with damping shell one end, and the damping shell other end is connected with sliding bar, is connected by spring buffer mechanism between sliding bar and the damping shell.
Described spring buffer mechanism comprises damping spring, sliding bar and damping shell are equipped with step surface, the damping spring two ends are crimped on respectively on the step surface of sliding bar and damping shell, are provided with the buffering spacing in the axial direction between the endoporus bottom of sliding bar bottom and damping shell.
Described spring buffer mechanism comprises beam, and described beam lays respectively at the damping spring two ends.
Described damping shell is connected with stop nut, and stop nut and sliding bar are slidingly connected in the axial direction.
Described stop nut inboard is provided with gathering sill, and correspondence is provided with guide pad at the sliding bar excircle.
Offer pin shaft hole on the described sliding bar, be inserted with bearing pin in the pin shaft hole, described guide pad is the end of bearing pin protrudent pin axis hole.
Described sliding bar comprises hollow screwed pipe and guide pipe, and equal correspondence is provided with the step surface that damping spring is installed on hollow screwed pipe and the guide pipe.
Be threaded between described hollow screwed pipe and the guide pipe.
Be connected with stop pin on described sliding bar and the stop nut.
The utility model is by being provided with spring buffer mechanism between sliding bar and damping shell, and sliding bar and with stop nut that the damping shell is connected between gathering sill and guide pad are set respectively, make it and can slide over each other.Spring buffer mechanism comprises damping spring and beam, when running into horizontal impact force or rotating at a high speed, makes and measures inserting tube and can not deflect, thereby guarantee to measure data stabilizations such as tool-face that inserting tube measures, accurately.Damping spring plays good cushioning effect.Between stop nut and sliding bar, be provided with stop pin in addition, can play preventing to measure the laterally effect of rotation of inserting tube.Damping shell of the present utility model comprises housing and stop nut, and housing and stop nut are threaded; Sliding bar comprises hollow screwed pipe and guide pipe, and hollow screwed pipe and guide pipe also adopt and be threaded, and employing is threaded convenient and swift when installing, easier processing of part and assembling.
Description of drawings
Fig. 1 is the structural representation of the damping measurement mechanism of existing band inserting tube;
Fig. 2 is a structural representation of the present utility model;
Fig. 3 is the structural representation of stop nut;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the structural representation of hollow screwed pipe 1.
The specific embodiment
As shown in Figure 2, the utility model comprises: hollow screwed pipe 1, damping spring 2, stop pin 3, guide pipe 4, stop nut 5, beam 6, damping shell 7.Hollow screwed pipe 1, stop pin 3, stop nut 5, guide pipe 4, damping shell 7 are aluminum alloy material, adopt the advantage of aluminum alloy material: nonmagnetic, avoid interference to inserting tube.
Damping shell 7 lower ends are connected with measurement inserting tube 8, and damping shell 7 is provided with step-shaped hole 15 and inserts for sliding bar 9, and step-shaped hole 15 is provided with first step face 16.Shown in accompanying drawing 1,5, sliding bar 9 comprises hollow screwed pipe 1 and guide pipe 4, and hollow screwed pipe 1 and guide pipe 4 are threaded, and hollow screwed pipe 1 and guide pipe 4 correspondences are equipped with second step face 17, the 3rd step surface 18.Shown in accompanying drawing 1,3,4, damping shell 7 comprises housing 20 and stop nut 5, and the upper end of housing 20 is provided with internal thread, and the excircle of corresponding stop nut 5 is provided with external screw thread, and the two is threaded.Respectively be placed with a beam 6 on the step surface of hollow screwed pipe 1 and guide pipe 4 correspondences, between two beams 6, be provided with damping spring 2.After sliding bar 9 inserts step-shaped hole 15, the bottom of the bottom of guide pipe 4 and step-shaped hole 15 maintains buffering spacing h, the beam 6 of damping spring 2 lower ends and lower end abuts against on the first step face 16, and when damping spring 2 was compressed, sliding bar 9 can leave certain downward cushion space.
Shown in Fig. 3,4, be arranged with two gathering sills 19 on the sidewall axial direction of stop nut 5, correspondence is provided with guide pad on hollow screwed pipe 1 excircle, present embodiment adopts and insert stop pin 3 in pin shaft hole 14, with stop pin 3 as guide pad, slightly long and outstanding hollow screwed pipe 1 outside, end, stop pin 3 two ends, stop pin 3 ends are stuck in the gathering sill 19, and the two is slidingly connected.Stop pin 3 also is used to stop hollow screwed pipe 1 to axially rotate with respect to damping shell 7.
Use: earlier the stop nut 5 hollow screwed pipe 1 of packing into, stop pin 3 is inserted in the pin shaft hole 14 of hollow screwed pipe 1, beam 6 is put into hollow screwed pipe 1, damping spring 2 is contained on the hollow screwed pipe 1, another beam 6 guide pipe 4 of packing into, hollow screwed pipe 1 lower end and guide pipe 4 upper end correspondences are provided with internal and external threads, and guide pipe 4 is threaded onto with hollow screwed pipe 1 usefulness that assembles, and constitute sliding bar 9.Housing 20 and stop nut 5 are threaded togather, constitute damping shell 7.Like this, damping shell 7 unites two into one with measuring inserting tube 8, when running into horizontal impact force or rotating at a high speed, makes and measures inserting tube 8 and can not deflect, thereby guarantee to measure data stabilizations such as tool-face that inserting tube 8 measures, accurately.Damping spring 2 plays good cushioning effect, and stop pin 3 plays the effect of sliding simultaneously and prevents to measure the laterally effect of rotation of inserting tube 8 in gathering sill 19.
Claims (9)
1. the damping fastening devices of a measurement while drilling tube, it is characterized in that: described measurement inserting tube is connected with damping shell one end, and the damping shell other end is connected with sliding bar, is connected by spring buffer mechanism between sliding bar and the damping shell.
2. the damping fastening devices of measurement while drilling tube according to claim 1, it is characterized in that: described spring buffer mechanism comprises damping spring, sliding bar and damping shell are equipped with step surface, the damping spring two ends are crimped on respectively on the step surface of sliding bar and damping shell, are provided with the buffering spacing in the axial direction between the endoporus bottom of sliding bar bottom and damping shell.
3. the damping fastening devices of measurement while drilling tube according to claim 2 is characterized in that: described spring buffer mechanism comprises beam, and described beam lays respectively at the damping spring two ends.
4. the damping fastening devices of measurement while drilling tube according to claim 1 and 2 is characterized in that: described damping shell is connected with stop nut, and stop nut and sliding bar are slidingly connected in the axial direction.
5. the damping fastening devices of measurement while drilling tube according to claim 4 is characterized in that: described stop nut inboard is provided with gathering sill, and correspondence is provided with guide pad at the sliding bar excircle.
6. the damping fastening devices of measurement while drilling tube according to claim 5 is characterized in that: offer pin shaft hole on the described sliding bar, be inserted with bearing pin in the pin shaft hole, described guide pad is the end of bearing pin protrudent pin axis hole.
7. the damping fastening devices of measurement while drilling tube according to claim 1 is characterized in that: described sliding bar comprises hollow screwed pipe and guide pipe, and equal correspondence is provided with the step surface that damping spring is installed on hollow screwed pipe and the guide pipe.
8. the damping fastening devices of measurement while drilling tube according to claim 7 is characterized in that: be threaded between described hollow screwed pipe and the guide pipe.
9. the damping fastening devices of measurement while drilling tube according to claim 4 is characterized in that: be connected with stop pin on described sliding bar and the stop nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202913149U CN201763319U (en) | 2010-08-13 | 2010-08-13 | Damping and fixing device of measuring cylinder while drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202913149U CN201763319U (en) | 2010-08-13 | 2010-08-13 | Damping and fixing device of measuring cylinder while drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201763319U true CN201763319U (en) | 2011-03-16 |
Family
ID=43715928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202913149U Expired - Lifetime CN201763319U (en) | 2010-08-13 | 2010-08-13 | Damping and fixing device of measuring cylinder while drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201763319U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809448A (en) * | 2012-05-31 | 2012-12-05 | 山东科技大学 | Method for testing shock absorption ground stress of drill pipes and shock absorption device |
| CN105772426A (en) * | 2016-05-17 | 2016-07-20 | 侯如升 | Cleaning device for textile equipment |
| CN111562626A (en) * | 2020-04-21 | 2020-08-21 | 中煤科工集团西安研究院有限公司 | Top and bottom plate directional measurement probe tube and directional detection equipment based on gravity effect |
-
2010
- 2010-08-13 CN CN2010202913149U patent/CN201763319U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809448A (en) * | 2012-05-31 | 2012-12-05 | 山东科技大学 | Method for testing shock absorption ground stress of drill pipes and shock absorption device |
| CN105772426A (en) * | 2016-05-17 | 2016-07-20 | 侯如升 | Cleaning device for textile equipment |
| CN111562626A (en) * | 2020-04-21 | 2020-08-21 | 中煤科工集团西安研究院有限公司 | Top and bottom plate directional measurement probe tube and directional detection equipment based on gravity effect |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110316 |
|
| CX01 | Expiry of patent term |