CN211576539U - Universal positioning pin mounting assembly device for design confirmation test of blowout preventer in petroleum industry - Google Patents
Universal positioning pin mounting assembly device for design confirmation test of blowout preventer in petroleum industry Download PDFInfo
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- CN211576539U CN211576539U CN202020423540.1U CN202020423540U CN211576539U CN 211576539 U CN211576539 U CN 211576539U CN 202020423540 U CN202020423540 U CN 202020423540U CN 211576539 U CN211576539 U CN 211576539U
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Abstract
The utility model provides a experimental general locating pin installation component device is confirmed in oil industry preventer design. The assembly device comprises: the T-shaped screw rod piece comprises a platform part with a cross section having a first size, a screw rod part fixed on the lower end face of the platform part and a rotary force exerting part arranged on the side face of the platform part or the side face of the screw rod part; the positioning pin comprises a guide conical section with a small upper part and a large lower part, a positioning cylindrical section and a bearing concave part arranged in the positioning cylindrical section; the lower end of the base can be placed on the upper end face of a lower flange of the lifting double-flange short section, and the upper portion of the base is provided with a deep hole and threads matched with the screw rod portion of the T-shaped screw rod piece. The utility model discloses can convenient and fast ground leading-in with the installation preventer subassembly, improve positioning accuracy to be applicable to the bolt connection through-hole of the rising double flange nipple joint of various specification models and preventer location of adjusting well.
Description
Technical Field
The utility model relates to an oil industry bores and adopts equipment detection technical field, particularly, relates to an experimental general locating pin installation component device is confirmed in oil industry preventer design.
Background
In the drilling process of the petroleum industry, a blowout preventer is used to be installed on a wellhead (the blowout preventer is equipment for closing a passageway of the wellhead when a blowout accident occurs) for safe production. Before the blowout preventer is put into mass production, a design confirmation test is carried out according to the national standard GB/T20174-2019 drilling equipment for petroleum and natural gas industry. The blowout preventer is divided into an annular blowout preventer and a ram blowout preventer, and the design confirmation test is divided into a static test and a dynamic test.
In order to complete static and dynamic tests in the design confirmation test, the inventor designs and manufactures a set of simulated wellhead device for the blowout preventer design confirmation test, which can be used for installing the blowout preventer and simulating the pressure condition of a well bore in a drilling site. However, as the test device is required to meet the test of blowout preventers with various pressure levels and diameters specified by the standard, the raised double-flange short joints with different pressure levels and diameters are required to be further designed to be converted so as to meet the test requirement.
Rising double-flange nipple joint uses bolt and nut and preventer to be connected before experimental, in the production of reality, because preventer weight and volume are all great, probably lead to rising double-flange nipple joint and preventer's connecting bolt through-hole to hardly adjusting well, cause the bolt to pass the difficulty. If bolts are used as the locating pins, there is a high probability that the threads will be damaged, resulting in a bolt connection failure.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve at least one of the above-mentioned not enough of prior art existence. For example, one of the objects of the present invention is to provide a device for aligning and positioning connecting bolt through holes, which can facilitate the lifting of double-flange nipples and blowout preventers.
In order to achieve the above object, the utility model provides an experimental general locating pin installation component device is confirmed in oil industry preventer design, locating pin installation component device includes: the T-shaped screw rod piece comprises a platform part with a cross section having a first size, a screw rod part fixed on the lower end face of the platform part and a rotary force applying part arranged on the side face of the platform part or the screw rod part, wherein the rotary force applying part can be stressed and drive the T-shaped screw rod piece to rotate; the positioning pin comprises a guide conical section with a small upper part and a large lower part, a positioning cylindrical section and a bearing concave part arranged in the positioning cylindrical section, the maximum diameter of the guide conical section is smaller than the diameter of the positioning cylindrical section, the diameter of the positioning cylindrical section is smaller than the aperture of a flange connecting hole of the blowout preventer, and the positioning pin can be placed on the upper end surface of the platform part; the lower end of the base can be placed on the upper end face of a lower flange of a lifting double-flange short section matched with the blowout preventer, and the upper portion of the base is provided with a deep hole and threads matched with a screw portion of the T-shaped screw rod.
In an exemplary embodiment of the present invention, the rotary force applying portion may be a plurality of holes uniformly disposed on different sides of the platform portion.
The utility model discloses an in an exemplary embodiment, the maximum diameter of direction toper section can be compared the diameter of location cylinder section is little 0.8 ~ 1.2mm, just the diameter of location cylinder section can be than the aperture of the flange connecting hole of preventer little 0.8 ~ 1.2 mm.
In an exemplary embodiment of the present invention, the supporting recess may be a through hole formed in a lower portion of the positioning section in a left-right direction.
In an exemplary embodiment of the present invention, the base itself or an upper portion thereof may be formed by combining a metal pipe and a circular plate having a thread engaged with the screw.
In an exemplary embodiment of the present invention, the positioning pin mounting assembly device may further include a support rod capable of being inserted into the support recess and supporting the positioning pin.
Compared with the prior art, the beneficial effects of the utility model include: the blowout preventer component can be conveniently and quickly guided in and installed; the positioning precision can be improved; the device can be suitable for aligning and positioning the bolt connecting through holes of the lifting double-flange short section and the blowout preventer in various specifications and models.
Drawings
Figure 1 shows an installation schematic of one exemplary embodiment of a general purpose locating pin installation assembly apparatus for a design validation test of a blowout preventer in accordance with the present invention.
Figure 2 is a schematic diagram of an exemplary embodiment of a universal locating pin mounting assembly apparatus for use in a design validation test of a blowout preventer according to the present invention.
The reference numerals are explained below:
in the blowout preventer assembly A in FIG. 1, a double-flange short section B is lifted, a metal sealing backing ring C, a connecting bolt D and a nut E, and a universal positioning pin mounting assembly device 1 for a design confirmation test of a blowout preventer in the petroleum industry is adopted;
in fig. 2, a positioning pin 2, a T-shaped screw rod piece 3 and a base 4.
Detailed Description
Hereinafter, the general purpose locating pin mounting assembly apparatus for design validation testing of an oil industry blowout preventer of the present invention will be described in detail with reference to exemplary embodiments.
In an exemplary embodiment of the present invention, the universal locating pin mounting assembly device (also referred to as the universal locating pin mounting assembly device or locating pin mounting assembly device for short) for the design confirmation test of the blowout preventer in the oil industry may be composed of a locating pin, a T-shaped screw member, and a base.
Specifically, the T-shaped screw member may be composed of a land portion having a cross section of a first size, a screw portion fixed to a lower end surface of the land portion, and a rotary force applying portion provided on a side surface of the land portion or a side surface of an upper section of the screw portion. The rotary force applying part can bear external force and drive the T-shaped screw rod piece, so that the T-shaped screw rod piece can rotate and advance in the base through the matching of the screw rod part and the threads in the base. For example, the T-shaped screw member may be composed of a platform part (for example, may be in a truncated cone shape) as a large end of the T-shape, a screw part (for example, a screw with a male thread) fixedly connected to a lower end of the platform part by welding, and a plurality of holes uniformly arranged in a circumferential direction of the platform part. The hole can be penetrated by a rod-shaped tool, so that the rotating force can be conveniently provided for the hole serving as the rotating force application part.
The locating pin may be comprised of a small-top-down guide cone section (e.g., a guide cone section), a locating cylinder section, and a bearing recess disposed in the locating cylinder section. The maximum diameter of the guide conical section (namely, the diameter of the lower end face of the guide conical section) is smaller than the diameter of the positioning cylindrical section; and the diameter of the positioning cylindrical section is smaller than the aperture of a flange connecting hole of the blowout preventer, and the positioning cylindrical section can be placed on the upper end face of the platform part. The maximum diameter of the guide conical section can be 0.8-1.2 mm smaller than the diameter of the positioning cylindrical section, and the diameter of the positioning cylindrical section can be 0.8-1.2 mm smaller than the aperture of a flange connecting hole of the blowout preventer. The holding recess can be a hole or a through-hole provided in the side face of the positioning cylinder section, for example, a hole or a through-hole provided in the left-right direction. The holding recess is penetrated by the shaft to hold the positioning pin at the time of detaching the base and the T-shaped screw member.
The lower end of the base can be placed on the upper end face of the lower flange of the elevated double-flange nipple cooperating with the blowout preventer, and the upper portion of the base has a deep hole and a thread (e.g., a female thread) cooperating with the screw portion of the T-shaped screw member. For example, the upper part of the base can be formed by combining a metal pipe and a round flat plate with threads matched with the screw; in addition, the base can also be formed by combining a metal pipe and a circular flat plate with threads matched with the screw rod, and the lower end of the metal pipe is used for being placed on the upper end face of the lower flange of the lifting double-flange short joint. In the case where an external force is applied to the rotary force application portion, the screw portion of the T-shaped screw member can be raised or lowered in the base by being engaged with the thread of the base.
Figure 1 shows an installation schematic of one exemplary embodiment of a general purpose locating pin installation assembly apparatus for a design validation test of a blowout preventer in accordance with the present invention. Figure 2 is a schematic diagram of an exemplary embodiment of a universal locating pin mounting assembly apparatus for use in a design validation test of a blowout preventer according to the present invention.
As shown in fig. 1 and 2, in another exemplary embodiment of the present invention, the oil industry blowout preventer design validation test universal locating pin mounting assembly apparatus includes a locating pin 2, a T-shaped screw member 3 (also referred to as a male screw 3), and a base plate 4 (also referred to as a seat tube 4).
As shown in figure 1, when the device is installed, the devices needing to be connected are divided into a blowout preventer A and a lifting double-flange short section B, the blowout preventer A and the lifting double-flange short section B are sealed by a metal sealing gasket ring C and are connected by a bolt D and a nut E. The utility model discloses a general locating pin installation component device can set up in advance in two sets of and more flange holes of group of the last flange joint department of preventer A and rising double flange nipple joint B to pinpoint, thereby be convenient for bolt D, nut E's installation and connection.
As shown in fig. 1 and 2, the universal locating pin mounting assembly device 1 can be composed of a locating pin 2, a male screw rod 3 with a round platform at the upper part, and a seat tube 4 with female threads, wherein a through hole serving as a bearing concave part is drilled at the lower part of the locating pin 2, a guide cone is processed at the upper part, the diameter of the upper part of the locating pin 2 can be about 1mm smaller than that of the lower part, and the diameter of the lower part of the locating pin 2 can be about 1mm smaller than that of a flange connection through hole of a blowout preventer a.
The pedestal that holds the locating pin can be taken the public screw 3 of circle platform and the seat pipe 4 of taking female screw thread to constitute by upper portion, and public screw 3 can have 3 ~ 4 holes as rotatory portion of exerting oneself in the drilling of circle platform excircle, and seat pipe 4 is formed by the flat board of the circle of female screw thread in top and seamless steel pipe welding. The female thread of the seat tube 4 is matched with the male thread of the male screw rod.
The use of the exemplary embodiments of the present invention is described below in conjunction with fig. 1 and 2.
And (3) hoisting the lifting double-flange short section B to a workbench, cleaning a sealing gasket ring groove on the upper end surface of the lifting double-flange short section B, smearing lubricating grease, and placing a metal sealing gasket ring C in the sealing gasket ring groove.
The male screw rod 3 with the circular platform is arranged in a screw hole of a seat pipe 4 with a female thread, the male screw rod 3 is adjusted, the height of the male screw rod 3 and the height of the seat pipe 4 can be arranged between an upper flange and a lower flange of a lifting double-flange short section B, a circular step on the male screw rod 3 is aligned to a bolt hole needing to be provided with the positioning pin 2, the outer circle of the seat pipe 4 is held by one hand, the male screw rod 3 is rotated by the other hand, and the circular step of the male screw rod 3 is tightly attached to the lower end face of the upper flange of the lifting. Subsequently, the male screw 3 is further tightened using a rod-like tool engaged with the rotating force part, and the positioning pin 2 is fitted into the flange coupling hole. Then, another set of positioning pin mounting assembly 1 is mounted at the position of another flange connecting hole (also called bolt connecting through hole) symmetrical to the flange connecting hole by the same steps.
Next, hoisting the blowout preventer A to the position above the lifting double-flange short section B by using hoisting equipment, adjusting the position, aligning the guide cones of the two positioning pins 2, slowly putting down, embedding the sealing gasket ring groove of the blowout preventer A and the metal sealing gasket ring C, respectively installing a connecting bolt D into the upper flange lower end face of the lifting double-flange short section B, screwing a nut E after the connecting bolt D penetrates out of the upper end face of the lower flange of the blowout preventer A, and screwing a nut E at the lower end of the bolt D.
And then, loosening the male screw rod 3 by using a rod-shaped tool, screwing down the male screw rod 3 to expose the small hole at the lower part of the positioning pin 2 out of the lower end surface of the upper flange of the lifting double-flange short section B, and then penetrating the rod-shaped tool through the small hole serving as the bearing concave part of the positioning pin 2 to support the positioning pin 2. And taking out the positioning pin mounting assembly 1, and then taking down the positioning pin 2. Respectively installing bolts D in the two flange connecting holes, and screwing nuts E at two ends of the bolts D; and (3) adjusting the end face distance of two connecting flanges of the blowout preventer A and the lifting double-flange short section B, symmetrically screwing the screw caps E, finally symmetrically screwing the screw caps E according to the required torque by using a hydraulic wrench, and finishing the connection work of the blowout preventer A and the lifting short section B.
In summary, the blowout preventer assembly can be conveniently and quickly installed by arranging the positioning pin with the inverted cone; the positioning pin is arranged into two sections with a large lower part and a small upper part, so that the positioning accuracy can be improved by the large lower part, and the positioning pin can be conveniently installed by the small upper part; through setting up the locating pin seat into adjustable structure to can be applicable to the location of adjusting well of the bolted connection through-hole of the rising double flange nipple joint and the preventer of various specification models.
Although the present invention has been described above in connection with exemplary embodiments and the accompanying drawings, it will be apparent to those of ordinary skill in the art that various modifications may be made to the above-described embodiments without departing from the spirit and scope of the claims.
Claims (8)
1. A general locating pin installation component device for design confirmation test of a blowout preventer in the oil industry is characterized by comprising: a positioning pin, a T-shaped screw member, and a base, wherein,
the T-shaped screw rod piece comprises a platform part with a first size in cross section, a screw rod part fixed on the lower end face of the platform part and a rotary force applying part arranged on the side face of the platform part or the screw rod part, and the rotary force applying part can be stressed and drive the T-shaped screw rod piece to rotate;
the positioning pin comprises a guide conical section with a small upper part and a large lower part, a positioning cylindrical section and a bearing concave part arranged in the positioning cylindrical section, the maximum diameter of the guide conical section is smaller than the diameter of the positioning cylindrical section, the diameter of the positioning cylindrical section is smaller than the aperture of a flange connecting hole of the blowout preventer, and the positioning pin can be placed on the upper end surface of the platform part;
the lower end of the base can be placed on the upper end face of a lower flange of a lifting double-flange short section matched with the blowout preventer, and the upper portion of the base is provided with a deep hole and threads matched with a screw portion of the T-shaped screw rod.
2. The locating pin mounting assembly apparatus of claim 1, wherein the rotational force application portion is a plurality of holes evenly disposed on different sides of the platform portion.
3. The locating pin mounting assembly arrangement of claim 1, wherein the maximum diameter of the pilot cone section is 0.8 to 1.2mm less than the diameter of the locating cylinder section.
4. The locating pin mounting assembly apparatus of claim 3, wherein the diameter of the locating cylinder segment is 0.8-1.2 mm smaller than the bore diameter of the flange connection bore of the blowout preventer.
5. The locating pin mounting assembly apparatus of claim 1, wherein the retainer recess is a through-hole provided in a lower portion of the locating section in a left-right direction.
6. The locating pin mounting assembly apparatus of claim 1 wherein said platform portion is frustoconical.
7. The locating pin mounting assembly apparatus of claim 1, wherein the upper portion of the base is formed by a combination of a metal tube and a circular plate with threads that mate with the threaded rod.
8. The locating pin mounting assembly apparatus of claim 1, further comprising a support post insertable into the retainer recess and supporting the locating pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020423540.1U CN211576539U (en) | 2020-03-24 | 2020-03-24 | Universal positioning pin mounting assembly device for design confirmation test of blowout preventer in petroleum industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020423540.1U CN211576539U (en) | 2020-03-24 | 2020-03-24 | Universal positioning pin mounting assembly device for design confirmation test of blowout preventer in petroleum industry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211576539U true CN211576539U (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020423540.1U Active CN211576539U (en) | 2020-03-24 | 2020-03-24 | Universal positioning pin mounting assembly device for design confirmation test of blowout preventer in petroleum industry |
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| Country | Link |
|---|---|
| CN (1) | CN211576539U (en) |
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- 2020-03-24 CN CN202020423540.1U patent/CN211576539U/en active Active
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