CN112504077A

CN112504077A - Scale device

Info

Publication number: CN112504077A
Application number: CN202011233108.7A
Authority: CN
Inventors: 王蕙; 廖胜军; 万琦; 陈国栋; 于增辉; 张志刚; 张全文; 马欢波; 王芝江; 王芝环; 刘耀伟
Original assignee: China Oilfield Services Ltd; China National Offshore Oil Corp CNOOC
Current assignee: China Oilfield Services Ltd; China National Offshore Oil Corp CNOOC
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-03-16
Anticipated expiration: 2040-11-06
Also published as: CN112504077B

Abstract

There is provided herein a scale device comprising: the middle of the guide piece is provided with a through hole for penetrating an instrument to be calibrated, the outer side of the through hole is provided with an annular first positioning part, and the axis of the first positioning part is superposed with the axis of the through hole; and the scale ring is positioned on the first positioning part, and the axis of the scale ring is overlapped with the axis of the through hole. This scale device, the middle part of guide is provided with the through-hole that is used for wearing the dress to treat the scale instrument, the outside of through-hole is provided with annular first location portion, the axis of first location portion and the axis coincidence of through-hole, the scale ring location is on first location portion, the axis of scale ring and the axis coincidence of through-hole, treat the scale instrument location in the through-hole, treat the axis coincidence of the axis of scale instrument and through-hole, treat like this that the axis of scale instrument just also coincides with the axis of scale ring, can realize that the scale ring carries out accurate scale to treating the scale instrument, its scale accuracy is better.

Description

Scale device

Technical Field

This paper relates to oil equipment technical field, more specifically relates to a scale device.

Background

Among the logging instruments, there are many instruments capable of measuring the hole diameter. They require calibration by a calibration device prior to measuring the hole diameter to ensure the accuracy of the tool in measuring the hole diameter downhole.

The existing scale device is a scale ring, the scale ring is sleeved on the outer side of the logging instrument when being scaled, the position relation between the logging instrument and the scale ring is observed through naked eyes, the axis of the scale ring is coincided with the axis of the logging instrument, and the scale precision of the scale mode is not very high.

Disclosure of Invention

The embodiment of the invention provides a calibration device which is higher in calibration precision and better in calibration accuracy.

The scale device provided by the embodiment of the invention comprises: the middle of the guide piece is provided with a through hole for penetrating an instrument to be calibrated, the outer side of the through hole is provided with an annular first positioning part, and the axis of the first positioning part is superposed with the axis of the through hole; and the scale ring is positioned on the first positioning part, and the axis of the scale ring is coincided with the axis of the through hole.

Optionally, the scale device further comprises: the outer side of the through hole is further provided with a second positioning portion, the axis of the second positioning portion coincides with the axis of the through hole, the check ring is positioned on the second positioning portion, and the axis of the check ring coincides with the axis of the through hole.

Optionally, a side face of the guide is provided with a second convex rib arranged along the annular enclosure, the orientation of the check ring is arranged on the second convex rib, and the second positioning part is the second convex rib.

Optionally, a first rib is disposed on a side surface of the guide member, the first rib is disposed around the guide member along a ring shape, a sleeve of the scale ring is disposed on the first rib, and the first positioning portion is the first rib.

Optionally, the scale ring includes inner circle scale ring and outer lane scale ring, first protruding muscle includes the first sub protruding muscle and the sub protruding muscle of second of inside and outside nested setting, the orientation of inner circle scale ring a pot head of guide is established on the first sub protruding muscle, the orientation of outer lane scale ring a pot head of guide is established on the sub protruding muscle of second.

Optionally, the another side of guide is provided with encloses the third protruding muscle of establishing along the annular, be provided with the third location portion that is used for the fixed scale instrument of treating on the third protruding muscle, the through-hole is located the inside of third protruding muscle.

Optionally, a positioning hole is provided on a side wall of the third rib, and the third positioning portion is the positioning hole.

Optionally, the scale ring and the check ring are both detachably mounted on the guide.

Optionally, the calibration ring and the check ring are both provided with lightening holes.

According to the calibration device provided by the embodiment of the invention, the through hole for penetrating the instrument to be calibrated is formed in the middle of the guide piece, the annular first positioning part is arranged on the outer side of the through hole, the axis of the first positioning part is overlapped with the axis of the through hole, the calibration ring is positioned on the first positioning part, the axis of the calibration ring is overlapped with the axis of the through hole, the instrument to be calibrated is positioned in the through hole, and the axis of the instrument to be calibrated is overlapped with the axis of the through hole, so that the axis of the instrument to be calibrated is also overlapped with the axis of the calibration ring, the instrument to be calibrated can be accurately calibrated by the calibration ring, and the calibration accuracy is better.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention.

Fig. 1 is a schematic cross-sectional view of a calibration apparatus according to an embodiment of the present invention;

FIG. 2 is a perspective view of the guide of FIG. 1;

FIG. 3 is a perspective view of the guide of FIG. 1 from another perspective;

FIG. 4 is a schematic perspective view of the inner ring scale ring of FIG. 1;

FIG. 5 is a schematic perspective view of the check ring of FIG. 1;

FIG. 6 is a schematic perspective view of the outer ring of FIG. 1;

fig. 7 is a schematic structural view of the calibration device shown in fig. 1 and an instrument to be calibrated adopting an outer ring calibration ring for calibration.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 7 is:

100 guide parts, 110 through holes, 120 first sub-convex ribs, 130 second sub-convex ribs, 140 second convex ribs, 150 third convex ribs, 151 positioning holes, 200 to-be-calibrated instruments, 210 positioning convex ribs, 300 inner ring scale rings, 400 outer ring scale rings and 500 calibration rings.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

The scale device provided by the embodiment of the invention, as shown in fig. 1 and 7, comprises: the guide piece 100 is provided with a through hole 110 for penetrating the instrument 200 to be calibrated in the middle, the outer side of the through hole 110 is provided with an annular first positioning part, and the axis of the first positioning part is superposed with the axis of the through hole 110; and a scale ring positioned on the first positioning portion, an axis of the scale ring coinciding with an axis of the through hole 110.

This scale device, the middle part of guide 100 is provided with the through-hole 110 that is used for wearing the dress to treat scale instrument 200, the outside of through-hole 110 is provided with annular first location portion, the axis of first location portion and the axis coincidence of through-hole 110, the scale ring location is on first location portion, the axis of scale ring and the axis coincidence of through-hole 110, treat that scale instrument 200 is fixed a position in through-hole 110, treat the axis coincidence of scale instrument 200 and through-hole 110, treat like this that the axis of scale instrument 200 just coincides with the axis of scale ring, can realize that the scale ring carries out accurate scale to treating scale instrument 200, its scale accuracy is better.

As shown in fig. 1, 3, 5 and 7, the calibration device further includes: the calibration ring 500 is provided with a second positioning portion on the outer side of the through hole 110, the axis of the second positioning portion coincides with the axis of the through hole 110, the calibration ring 500 is positioned on the second positioning portion, the axis of the calibration ring 500 coincides with the axis of the through hole 110, the instrument 200 to be calibrated passes through the calibration ring after being calibrated, and then calibration is performed through the calibration ring 500.

Furthermore, a first rib is disposed on a side surface of the guide 100, the first rib is disposed around the guide 100, a end of the scale ring facing the guide 100 is sleeved on the first rib, and the first positioning portion is the first rib.

Further, as shown in fig. 1, fig. 3, fig. 4, fig. 6 and fig. 7, the scale ring includes an inner ring scale ring 300 and an outer ring scale ring 400, the first rib includes a first sub-rib 120 and a second sub-rib 130 nested inside and outside, the first sub-rib 120 is located inside the second sub-rib 130, a sleeve of the inner ring scale ring 300 facing the guide 100 is disposed on the first sub-rib 120, and a sleeve of the outer ring scale ring 400 facing the guide 100 is disposed on the second sub-rib 130. The diameter of the inner ring scale ring 300 is smaller than the diameter of the outer ring scale ring 400.

Still further, as shown in fig. 1, fig. 3, fig. 5 and fig. 7, a second rib 140 circumferentially arranged along the ring is disposed on one side surface of the guide 100, one end of the check ring 500 facing the guide 100 is sleeved on the second rib 140, and the second positioning portion is the second rib 140.

The first sub-convex rib 120, the second convex rib 140 and the second sub-convex rib 130 are sequentially nested from inside to outside, the inner ring scale ring 300 can be better positioned by a groove structure formed between the first sub-convex rib 120 and the second convex rib 140, the check ring 500 can be better positioned by a groove structure formed between the second convex rib 140 and the second sub-convex rib 130, the diameter of the inner ring scale ring 300 is smaller than that of the check ring 500, and the diameter of the check ring 500 is smaller than that of the outer ring scale ring 400.

Still further, as shown in fig. 1, fig. 2 and fig. 7, a third rib 150 surrounding along an annular shape is disposed on the other side surface of the guide 100, the through hole 110 is located inside the third rib 150, a third positioning portion for fixing the to-be-calibrated instrument 200 is disposed on the third rib 150, the third positioning portion is a positioning hole 151, a positioning rib 210 is disposed on the to-be-calibrated instrument 200, the to-be-calibrated instrument 200 is inserted into the through hole 110, and the positioning rib 210 is clamped in the positioning hole 151. The positioning ribs 210 and the positioning holes 151 can be 2-4 groups arranged at intervals in the circumferential direction, so that the coaxiality of the axis of the instrument 200 to be calibrated and the axis of the through hole 110 can be better ensured, and the guide member 100 can be prevented from rotating on the instrument 200 to be calibrated.

Illustratively, the inner ring scale ring 300, the outer ring scale ring 400 and the check ring 500 are detachably mounted on the guide 100, which is more convenient for field use; moreover, as shown in fig. 4 to 6, annular bosses are provided at both ends of the inner ring scale ring 300, the outer ring scale ring 400 and the check ring 500, so that the inner ring scale ring 300, the outer ring scale ring 400 and the check ring 500 can be more conveniently taken and placed by designing the bosses.

For example, as shown in fig. 1 and 4 to 6, the inner ring scale ring 300, the outer ring scale ring 400 and the check ring 500 are provided with lightening holes, so that the material usage of the inner ring scale ring 300, the outer ring scale ring 400 and the check ring 500 can be reduced.

Illustratively, the instrument 200 to be calibrated is a logging instrument.

When the guide piece is used, the inner ring scale ring 300, the outer ring scale ring 400 and the check ring 500 are respectively matched with the guide piece 100 for use, and the inner ring scale ring 300, the outer ring scale ring 400 and the check ring 500 are sequentially used.

In summary, in the calibration device provided in the embodiment of the present invention, the middle of the guide is provided with the through hole for inserting the instrument to be calibrated, the outer side of the through hole is provided with the annular first positioning portion, the axis of the first positioning portion coincides with the axis of the through hole, the calibration ring is positioned on the first positioning portion, the axis of the calibration ring coincides with the axis of the through hole, the instrument to be calibrated is positioned in the through hole, and the axis of the instrument to be calibrated coincides with the axis of the through hole, so that the axis of the instrument to be calibrated coincides with the axis of the calibration ring, the calibration ring can perform precise calibration on the instrument to be calibrated, and the calibration accuracy is better.

In the description of the present invention, it should be noted that the terms "upper", "lower", "one side", "the other side", "one end", "the other end", "side", "opposite", "four corners", "periphery", "mouth" structure ", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the structures referred to have specific orientations, are configured and operated in specific orientations, and thus, are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "directly connected," "indirectly connected," "fixedly connected," "mounted," and "assembled" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; the terms "mounted," "connected," and "fixedly connected" may be directly connected or indirectly connected through intervening media, or may be connected through two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A scale device, comprising:

the middle of the guide piece is provided with a through hole for penetrating an instrument to be calibrated, the outer side of the through hole is provided with an annular first positioning part, and the axis of the first positioning part is superposed with the axis of the through hole; and

and the scale ring is positioned on the first positioning part, and the axis of the scale ring is coincided with the axis of the through hole.

2. A scale device according to claim 1, further comprising:

the outer side of the through hole is further provided with a second positioning portion, the axis of the second positioning portion coincides with the axis of the through hole, the check ring is positioned on the second positioning portion, and the axis of the check ring coincides with the axis of the through hole.

3. The scale device according to claim 2, wherein a second rib is arranged on one side surface of the guide member along the annular periphery, one end of the check ring facing the guide member is sleeved on the second rib, and the second positioning portion is the second rib.

4. The scale device according to any one of claims 1 to 3, wherein a side surface of the guide member is provided with a first rib circumferentially arranged along a ring, an end of the scale ring facing the guide member is fitted over the first rib, and the first positioning portion is the first rib.

5. The scale device according to claim 4, wherein the scale ring comprises an inner ring scale ring and an outer ring scale ring, the first rib comprises a first sub rib and a second sub rib which are nested inside and outside, one end of the inner ring scale ring facing the guide member is sleeved on the first sub rib, and one end of the outer ring scale ring facing the guide member is sleeved on the second sub rib.

6. The scale device according to any one of claims 1 to 3, wherein a third rib is arranged on the other side surface of the guide piece and is annularly surrounded, a third positioning part for fixing an instrument to be calibrated is arranged on the third rib, and the through hole is positioned inside the third rib.

7. The scale device according to claim 6, wherein a positioning hole is provided on a side wall of the third rib, and the third positioning portion is the positioning hole.

8. Scale apparatus according to claim 2 wherein the scale ring and the verification ring are both removably mounted on the guide.

9. Scale arrangement according to claim 2, wherein weight-reducing holes are provided in both the scale ring and the check ring.