CN103291242A - Antifreezing anti-theft fast connecting pressure taking device - Google Patents
Antifreezing anti-theft fast connecting pressure taking device Download PDFInfo
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- CN103291242A CN103291242A CN2013102429943A CN201310242994A CN103291242A CN 103291242 A CN103291242 A CN 103291242A CN 2013102429943 A CN2013102429943 A CN 2013102429943A CN 201310242994 A CN201310242994 A CN 201310242994A CN 103291242 A CN103291242 A CN 103291242A
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- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000009413 insulation Methods 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 5
- 238000000605 extraction Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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Abstract
Provided is an antifreezing anti-theft fast connecting pressure taking device which mainly aims at solving the problem that a sensor in a wellhead data collecting device can not easily and normally collect pressure due to the low temperature in winter. The antifreezing anti-theft fast connecting pressure taking device is characterized in that the antifreezing anti-theft fast connecting pressure taking device is composed of a valve seat, a valve body, a valve core, a pressure spring and the like, a valve seat inner blocking edge and two circular cavities with different diameters are arranged inside the valve seat, the cavity at one end of the valve seat is a sensor screwing-in cavity, the valve core is composed of a sensor guiding ejector rod, a valve core conical platform and a valve core guide rod, the valve core is placed inside the valve body, wherein the valve core guide rod is placed in a valve core ejector rod sliding cavity on the valve body, the pressure spring is sleeved on the outer wall of a hollow guide cylinder inside the valve body and limited between lower portion steps of the valve core conical platform and an annular base plate on the valve body, and the valve seat is connected with the valve body through threads. Through the antifreezing anti-theft fast connecting pressure taking device, the temperature of liquor inside a pipeline can be relied to achieve thermal insulation of the sensor, and meanwhile the antifreezing anti-theft fast connecting pressure taking device has an anti-theft function and a function of achieving fast connection with wellhead instruments.
Description
Technical field
The present invention relates to a kind of well head pressure equipment that is applied in the oil-gas field development field.
Background technology
Daqing oil field is located in high latitude area, and winter, outside temperature was very low, minimum temperature even can reach subzero more than 40 degree, and also such extremely low temperature can continue 2-3 month.In the oil field, generally adopted manual sampling to carry out the well head data acquisition in the past, the oil recovery worker provides pressure meter for oneself in the pocket, when needs production wells mouth pressure, pressure meter is screwed in the outer pipeline of sample valve, open sample valve, carry out data acquisition, often run into the situation that pressure measuring valve freezes in the winter time, often take to water the thaw method of pressure of hot water, though time-consuming, effort still can realize the data acquisition to well head pressure.But, along with the propelling of digitlization oil field process, well head pressure needs continuous acquisition as important parameters, and transmit, consequent technical barrier is exactly the application in winter, and traditional pressure measuring valve can not carry out continuous acquisition, and this is because the reasons in structure of traditional pressure measuring valve, cause pressure sensor away from Trunk Line, inevitable can formation in the winter time frozen stifled section, can't pressure, so caused winter that the real-time image data of well head has been become a difficult problem thus.In addition, because well head disperses, open-air operating mode is poor, the well head data acquisition unit that much is positioned on the monitoring pipeline is very easy to be backed out conveniently and steal by the lawless person, has both influenced the ordinary production in oil field, has caused economic loss to the oil field again.
Summary of the invention
In order to solve the technical problem of mentioning in the background technology, the invention provides a kind of freezing-proof theft-proof and connect pressure obtaning device fast, it is simple in structure that this kind freezing-proof theft-proof connects pressure obtaning device fast, design ingenious, easy to removal and installation, have insulation and anti-theft feature to sensor simultaneously, the situation generation that can effectively prevent the malfunctioning of sensor and be stolen.
Technical scheme of the present invention is: this kind freezing-proof theft-proof connects pressure obtaning device fast, comprise valve seat, valve body, spool and compression spring, its unique distinction is, described valve seat is hollow cylinder, there are two in the valve seat by keeping off along the different circular cavity of separated diameter in the valve seat of annular, be connected between two circular cavities and have internal thread, wherein, an end is that sensor screws in the chamber; Retaining is along having a bottom inverted cone surface in the described valve seat.
Described valve body is made of hollow guiding cylinder in hollow cylinder outer wall, annular bottom plate and the valve body; Wherein, have some pod apertures on the bottom of hollow cylinder outer wall and the annular bottom plate, the annular chamber that forms between the outer wall of hollow guiding cylinder in the inwall of described hollow cylinder outer wall and the valve body is diversion cavity, and the circular cavity in the valve body in the hollow guiding cylinder is spool guide peg sliding cavity; The open side of described hollow cylinder outer wall has external screw thread.
Described spool guides push rod, spool frustum and spool guide peg three parts to constitute by sensor; The positive conical surface on the described spool frustum matches along last bottom inverted cone surface with the interior retaining of valve seat; The interior circular hole footpath on retaining edge is greater than the external profile diameter of sensor guiding push rod in the valve seat; Have guiding gutter on the upper surface of sensor guiding push rod.
Described spool is positioned at valve body, and wherein, the spool guide peg is arranged in spool guide peg sliding cavity, on the outer wall of compression spring housing hollow guiding cylinder in valve body, is limited between the lower step and the annular bottom plate on the valve body of spool frustum; Between valve seat and the valve body by being threaded.
The present invention has following beneficial effect: this device is to be welded on the pipeline that well head need monitor in use.When needs are installed the well head data acquisition unit, pressure sensor is screwed in, along with the screw-in of sensor can pressed spool and moved downward, thereby make the well head extraction liquid in the pipeline flow in the upper surface guiding gutter of sensor guiding push rod in the sensor screw-in chamber along the space between the last bottom inverted cone surface by retaining in the positive conical surface on the spool frustum and the valve seat, the pressure-sensitive face of pressure sensor will be in and well head extraction liquid state of contact in real time, has realized real-time monitoring thus and to the insulation of sensor.When carrying out pressure meter calibration or at this place data collection point not being set according to arts demand, sensor can be screwed out, at this moment, spool can the in-line fluid pressure and the pretightning force effect of compression spring under fasten valve, realize sealing.
In addition, in prioritization scheme, set up antitheft clamp and valve seat has been carried out the conformability change, after making the well head data acquisition unit be installed in this kind freezing-proof theft-proof to connect on the pressure obtaning device fast, can't not back out smoothly if the lawless person does not use special tool at all, guarantee the safety of shaft collar data acquisition unit thus.
In sum, this kind of well head data acquisition unit is simple in structure, design ingenious, easy to removal and installation, rely on the own temperature of liquid in the pipeline to realize insulation to sensor, simultaneously, also have antitheft and can realize quick linkage function with well head gauge, can effectively prevent sensor because the situation malfunctioning and that stolen that low temperature causes takes place, have great actual application value.
Description of drawings:
Fig. 1 is three-dimensional structure schematic diagram of the present invention.
Fig. 2 is after the present invention is connected on the well head pipeline to be measured, and the while has screwed in the structure sectional view behind the pressure sensor.
Fig. 3 is after the present invention is connected on the well head pipeline to be measured, though the well head data acquisition unit is installed, pressure sensor is not screwed into measuring position structure sectional view as yet.
Fig. 4 is the stifled structural representation of work of the present invention.
Fig. 5 is the structural representation of antitheft clamp semicircular body of the present invention.
Fig. 6 is the structural representation of latch segment in the antitheft clamp sensor of the present invention.
Fig. 7 is the structural representation of valve seat of the present invention.
Fig. 8 is the structural representation of spool of the present invention.
Fig. 9 is the structural representation of valve body of the present invention.
1-pod apertures among the figure, 2-valve body, 3-diversion cavity, the antitheft clamp of 4-, 5-anti-theft bolt hole, the 6-sensor screws in the chamber, 7-valve seat polygon locating surface, 8-are lived and are blocked up the polygon locating surface, and 9-lives stifled, 10-polygon locating slot, 11-clamp limiting block edge, retaining edge, 12-valve seat location, the 13-valve seat, 14-clamp locking otic placode, 15-spool guide peg, 16-lives in blocking up and connects double-screw bolt down, 17-spool frustum, 18-sensor guiding push rod, the 19-guiding gutter, latch segment in the positive conical surface of 20-, 21-sensor, the outer facade of 22-latch segment polygon, locating slot in the 23-sensor, 24-clamp retaining locking section vertically, retaining edge in the 25-valve seat, hollow guiding cylinder in the 26-spool guide peg sliding cavity, 27-valve body, 28-compresses spring, 29-bottom inverted cone surface, 30-pressure sensor, the 31-spool, the 32-oil country tubular good, 33-sealing ring, 34-well head data acquisition unit.
The specific embodiment:
The invention will be further described below in conjunction with accompanying drawing:
As shown in Figure 1, this kind freezing-proof theft-proof connects pressure obtaning device fast, comprises valve seat 13, valve body 2, spool 31 and compression spring 28, and its unique distinction is:
In conjunction with Fig. 1, shown in Figure 2, described valve seat 13 is hollow cylinder as Fig. 7, has two to be connected between two circular cavities and to have internal thread along the different circular cavity of 25 separated diameters by retaining in the valve seat of annular in the valve seat 13.Wherein, the cavity of an end is that sensor screws in chamber 6; Retaining has a bottom inverted cone surface 29 along 25 in the described valve seat.Wherein, the internal thread of epicoele is used for being connected with pressure sensor, and the internal thread of cavity of resorption is to be connected with the valve body of bottom.
In conjunction with Fig. 1, shown in Figure 2, described valve body 2 is made of hollow guiding cylinder 27 in hollow cylinder outer wall, annular bottom plate and the valve body as Fig. 9; Wherein, have some pod apertures 1 on the bottom of hollow cylinder outer wall and the annular bottom plate, the annular chamber that forms between hollow guiding cylinder 27 outer walls in described hollow cylinder outer wall and the valve body is diversion cavity 3, and the circular cavity in the valve body in the hollow guiding cylinder 27 is spool guide peg sliding cavity 26; The open side of described hollow cylinder outer wall has external screw thread, and this external screw thread is to realize being connected with internal thread in the valve seat.
As Fig. 8 in conjunction with Fig. 1, shown in Figure 2 shown in, described spool 31 is made of sensor guiding push rod 18, spool frustum 17 and spool guide peg 15 3 parts; The positive conical surface 20 on the described spool frustum 17 matches along the bottom inverted cone surface 29 on 25 with the interior retaining of valve seat; Retaining guides the external profile diameter of push rod 18 in the valve seat greater than sensor along 25 interior circular hole footpath; Have guiding gutter 19 on the upper surface of sensor guiding push rod 18.
The annexation of above-mentioned each assembly is: described spool 31 is positioned at valve body 2, wherein, spool guide peg 15 is arranged in spool guide peg sliding cavity 26, compression spring 28 is enclosed within on the outer wall of hollow guiding cylinder 27 in the valve body, is limited between the lower step and the annular bottom plate on the valve body 2 of spool frustum 17; Between valve seat 13 and the valve body 2 by being threaded.
This device is welded on the pipeline that well head need monitor in use.When needs are installed the well head data acquisition unit, pressure sensor 30 is screwed in, along with the screw-in of sensor can pressed spool and moved downward, thereby make the well head extraction liquid in the pipeline flow in the upper surface guiding gutter of sensor guiding push rod in the sensor screw-in chamber along the space between the last bottom inverted cone surface by retaining in the positive conical surface on the spool frustum and the valve seat, the pressure-sensitive face of pressure sensor will be in and well head extraction liquid state of contact in real time, has realized real-time monitoring thus and to the insulation of sensor.After pressure sensor is screwed out, fasten valve automatically under the pretightning force effect of spool meeting in-line fluid pressure and compression spring, realize the sealing to pipeline.
Obtain following further improvement project on above scheme basis, in the hope of solving the problem that the well head data acquisition unit is twisted away conveniently by the lawless person easily.This scheme is as follows: as Fig. 5 in conjunction with Fig. 1, shown in Figure 2, this device also comprises an antitheft clamp 4, described antitheft clamp 4 is made of the semicircular body of two symmetries, the clamp limiting block that described semicircular body has clamp locking otic placode 14, is positioned at inboard polygon locating slot 10 and is positioned at the bottom has for the anti-theft bolt hole 5 that connects anti-theft bolt on the described clamp locking otic placode 14 along 11.
In order to cooperate the further optimization that increases antitheft clamp, on other assemblies, also made adaptability revision, as shown in the figure, be about to process respectively on the outer wall that described valve seat 13 inner sensors screw in chamber 6 a valve seat polygon locating surface 7 and a valve seat location retaining from top to bottom along 12, described valve seat polygon locating surface 7 and valve seat location retaining are clamp retaining locking vertically sections 24 along the valve seat section between 12; It is spacing that the outside diameter of described clamp retaining locking section vertically 24 and the clamp limiting block interior circular diameter along 11 matches to realize that 13 pairs of antitheft clamps 4 of valve seat are moved in the axial direction; Described valve seat polygon locating surface 7 matches with polygon locating slot 10.
When well head is installed this device, need only the polygon locating slot of valve seat polygon locating surface and two semicircle monomers good position, make the clamp retaining along being locked on the clamp retaining locking section vertically, install the fastening clamp locking of anti-theft bolt otic placode then, like this, because profile limits, can not turn, unless the lawless person is by special tool, otherwise just be difficult to open.Avoided modal to spirit away the pilferage of formula of oil field equipment on the oil field thus.
In addition, consider sensor is screwed out the back to the safety protection of pipeline, can also set up following content on above scheme basis.Scheme 1: as Fig. 4 in conjunction with shown in Figure 1, described device has a work stifled 9, this stifled lower end alive is connected double-screw bolt 16 for realizing the work that is threaded with sensor screw-in chamber 6 under stifled, and polygon locating surface 8 is blocked up for the work that can match with polygon locating slot 10 in this upper end of stifled 9 alive.
Scheme 2: as Fig. 6 in conjunction with shown in Figure 2: as described in device also comprise latch segment 21 in the sensor, latch segment 21 adopts the split-type structural of symmetry in this sensor, the outside is the outer facade 22 of the latch segment polygon that matches with described polygon locating slot 10 shapes, locating slot 23 in the sensor that the inboard is with sensor shape matches.The meaning of this optimization is: if the profile of sensor is different with the valve body profile, at this time just need install latch segment in the sensor additional, certainly, the inside groove shape of interior latch segment can design by the profile of sensor.
Claims (4)
1. a freezing-proof theft-proof connects pressure obtaning device fast, comprises valve seat (13), valve body (2), spool (31) and compression spring (28), it is characterized in that:
Described valve seat (13) is hollow cylinder, there are two in the valve seat (13) by the different circular cavity of retaining edge (25) separated diameter in the valve seat of annular, be connected between two circular cavities and have internal thread, wherein, the cavity of an end is that sensor screws in chamber (6); Retaining has a bottom inverted cone surface (29) along (25) in the described valve seat;
Described valve body (2) is made of hollow guiding cylinder (27) in hollow cylinder outer wall, annular bottom plate and the valve body; Wherein, have some pod apertures (1) on the bottom of hollow cylinder outer wall and the annular bottom plate, the annular chamber that forms between hollow guiding cylinder (27) outer wall in described hollow cylinder outer wall and the valve body is diversion cavity (3), and the circular cavity in the valve body in the hollow guiding cylinder (27) is spool guide peg sliding cavity (26); The open side of described hollow cylinder outer wall has external screw thread;
Described spool (31) is made of sensor guiding push rod (18), spool frustum (17) and spool guide peg (15) three parts; The positive conical surface (20) on the described spool frustum (17) matches along the bottom inverted cone surface (29) on (25) with the interior retaining of valve seat; Retaining guides the external profile diameter of push rod (18) in the valve seat greater than sensor along the interior circular hole footpath of (25); Have guiding gutter (19) on the upper surface of sensor guiding push rod (18);
Described spool (31) is positioned at valve body (2), wherein, spool guide peg (15) is arranged in spool guide peg sliding cavity (26), compression spring (28) is enclosed within on the outer wall of hollow guiding cylinder (27) in the valve body, is limited between the lower step and the annular bottom plate on the valve body (2) of spool frustum (17); Between valve seat (13) and the valve body (2) by being threaded.
2. freezing-proof theft-proof according to claim 1 connects pressure obtaning device fast, it is characterized in that: this device also comprises an antitheft clamp (4), described antitheft clamp (4) is made of the semicircular body of two symmetries, the clamp limiting block that described semicircular body has clamp locking otic placode (14), is positioned at inboard polygon locating slot (10) and is positioned at the bottom has on the described clamp locking otic placode (14) for the anti-theft bolt hole (5) that connects anti-theft bolt along (11);
Fix a valve seat polygon locating surface (7) and a valve seat location retaining on the outer wall in described valve seat (13) inner sensor screw-in chamber (6) from top to bottom respectively along (12), it is clamp retaining locking section vertically (24) that described valve seat polygon locating surface (7) and valve seat location keep off along the valve seat section between (12); The outside diameter of described clamp retaining locking section vertically (24) match with the interior circular diameter on clamp limiting block edge (11) to realize valve seat (13) to antitheft clamp (4) move in the axial direction spacing; Described valve seat polygon locating surface (7) matches with polygon locating slot (10).
3. freezing-proof theft-proof according to claim 2 connects pressure obtaning device fast, it is characterized in that: described device has a work stifled (9), the lower end of these live stifled (9) is to realize that the work that is threaded with sensor screw-in chamber (6) is connected double-screw bolt (16) under stifled, and the upper end of these live stifled (9) is that polygon locating surface (8) is blocked up in the work that can match with polygon locating slot (10).
4. freezing-proof theft-proof according to claim 3 connects pressure obtaning device fast, it is characterized in that: described device also comprises latch segment (21) in the sensor, latch segment (21) adopts the split-type structural of symmetry in this sensor, the outside is the outer facade (22) of the latch segment polygon that matches with described polygon locating slot (10) shape, locating slot (23) in the sensor that the inboard is with sensor shape matches.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310242994.3A CN103291242B (en) | 2013-06-18 | 2013-06-18 | Antifreezing anti-theft fast connecting pressure taking device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310242994.3A CN103291242B (en) | 2013-06-18 | 2013-06-18 | Antifreezing anti-theft fast connecting pressure taking device |
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| Publication Number | Publication Date |
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| CN103291242A true CN103291242A (en) | 2013-09-11 |
| CN103291242B CN103291242B (en) | 2015-06-03 |
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| CN201310242994.3A Active CN103291242B (en) | 2013-06-18 | 2013-06-18 | Antifreezing anti-theft fast connecting pressure taking device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386274A (en) * | 2017-08-11 | 2019-02-26 | 中国石油化工股份有限公司 | For calibrating the detection device of ultrasonic transducer with brill |
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| CN202611689U (en) * | 2012-06-25 | 2012-12-19 | 中国石油天然气股份有限公司 | Self-sealing quick pressure monitoring device |
| CN203271725U (en) * | 2013-06-18 | 2013-11-06 | 王冬生 | Anti-freezing anti-theft quick connecting and pressure taking device |
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2013
- 2013-06-18 CN CN201310242994.3A patent/CN103291242B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4862960A (en) * | 1988-07-12 | 1989-09-05 | Cameron Iron Works Usa, Inc. | Blowout preventer testing apparatus |
| CN2428570Y (en) * | 2000-06-26 | 2001-05-02 | 刘兴家 | Pressure read-out device of pressure-measuring meter |
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| CN109386274A (en) * | 2017-08-11 | 2019-02-26 | 中国石油化工股份有限公司 | For calibrating the detection device of ultrasonic transducer with brill |
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| CN103291242B (en) | 2015-06-03 |
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Effective date of registration: 20180703 Address after: 163316 room 406, block A, science and Technology Innovation Park (Park), 12 Xinke Road, Daqing new high tech Zone, Heilongjiang Patentee after: Daqing Weida Petroleum Technology Co., Ltd. Address before: No. 2, four archway in Xuanwu District, Nanjing, Jiangsu Patentee before: Wang Dongsheng |