CN109973738B - High pressure manifold is with soon connecting device of knob type - Google Patents
High pressure manifold is with soon connecting device of knob type Download PDFInfo
- Publication number
- CN109973738B CN109973738B CN201910185802.7A CN201910185802A CN109973738B CN 109973738 B CN109973738 B CN 109973738B CN 201910185802 A CN201910185802 A CN 201910185802A CN 109973738 B CN109973738 B CN 109973738B
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- wall
- sealing
- groove
- male connector
- locking mechanism
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- 238000007789 sealing Methods 0.000 claims abstract description 43
- 239000000428 dust Substances 0.000 claims description 4
- 238000005553 drilling Methods 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 241000561734 Celosia cristata Species 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/24—Couplings of the quick-acting type in which the connection is made by inserting one member axially into the other and rotating it to a limited extent, e.g. with bayonet-action
- F16L37/244—Couplings of the quick-acting type in which the connection is made by inserting one member axially into the other and rotating it to a limited extent, e.g. with bayonet-action the coupling being co-axial with the pipe
- F16L37/248—Bayonet-type couplings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a knob type quick connection device for a high-pressure manifold, which comprises a tubular female joint, a tubular male joint and a locking mechanism, wherein the female joint is sleeved on the male joint, the locking mechanism is arranged in the middle of the female joint, a driving handle is fixed on the outer wall of the locking mechanism, and the female joint and the male joint are locked or separated by rotating the locking mechanism through the driving handle. The knob type quick connection device for the high-pressure manifold has the advantages of simple structure, quick connection and good sealing performance, is suitable for the operation of the high-pressure manifolds such as a drilling fluid circulating manifold, a well cementation manifold, a throttling kill manifold, a fracturing manifold and the like, and has good economic performance and market popularization value.
Description
Technical Field
The invention belongs to the technical field of petroleum drilling equipment, and particularly relates to a knob type quick connection device for a high-pressure manifold.
Background
The connection between manifolds is an important work content for assembling high-pressure manifolds, and the connection structural forms between the manifolds in the world are mainly flange connection and union connection. The union is used as a vulnerable part and needs to be replaced and maintained after being damaged, the operation labor intensity is high, the efficiency is low, and according to statistics, the union is connected to about 40 parts and the flange is connected to about 30 parts of a typical onshore 7000m drilling machine; one conventional fracture well site contained 20 fracturing trucks with 40 interfaces between the manifold and the fracturing truck and 6 interfaces between the manifold skids. The average operation time of union connection is calculated according to 10 minutes, the average operation time of flange connection is calculated according to 30 minutes, and the total operation time of a set of 7000m drilling machine high-pressure manifold reaches 22 hours; the total connection time of the fracturing well site high-pressure manifold reaches over 8 hours, which takes long time and needs to be operated by a plurality of people. At present, the drilling operation site faces the bottleneck problems of low automation degree and the like, so the development of a high-pressure manifold quick connection device is urgently needed.
Disclosure of Invention
The invention aims to provide a knob type quick connection device for a high-pressure manifold, which solves the problem that the conventional high-pressure manifold connection device takes long time to connect.
The technical scheme includes that the knob type quick connection device for the high-pressure manifold comprises a tubular female connector, a tubular male connector and a locking mechanism, wherein the female connector is sleeved on the male connector, the locking mechanism is arranged in the middle of the female connector, and the female connector and the male connector are locked or separated through rotating the locking mechanism.
The present invention is also technically characterized in that,
the locking mechanism comprises fan-shaped locking piece, driving-disc and screw a, screw a and locking piece threaded connection, and the driving-disc cover is established in the locking piece outside, is provided with the arc guide way in the driving-disc, and guide way one end is close to the driving-disc inner wall, and the other end is close to the driving-disc outer wall, and screw a head slides in the guide way and drives the radial movement of locking piece.
At least two circumferential through holes are formed in the middle of the female connector, the locking block is embedded into the through holes, and the locking block is in clearance fit with the through holes.
The inner wall of the locking block is provided with a clamping groove a, and the outer wall of the male connector is provided with a protruding end a matched with the clamping groove a.
The inner wall of the female connector is provided with a step-shaped groove b, a step-shaped sealing retaining ring and an annular sealing bracket are sequentially arranged between the female connector and the male connector, and the sealing retaining ring and the sealing bracket are embedded in the groove b.
The outer wall of the sealing baffle ring is sleeved with a dustproof ring.
The sealing bracket end part outer side face close to the sealing baffle ring is sleeved with a sealing ring a, a groove d is formed in the sealing bracket end face close to the male connector, a sealing ring b is embedded in the groove d, and the outer wall of the sealing bracket is sleeved with a guide belt a.
The male connector outer wall is provided with a clamping groove b, and the locking block inner wall is provided with a protruding end b matched with the clamping groove b.
And a guide belt b and a sealing ring c are sleeved on the outer wall of one end of the male connector close to the female connector at intervals.
And a driving handle is fixed on the outer wall of the locking mechanism.
The invention has the advantages that the female connector, the male connector and the locking mechanism are adopted, the female connector and the male connector are locked or released through the rotary locking mechanism, the structure is simple, the connection is rapid and reliable, the sealing performance is good, the operation of high-pressure manifolds such as a drilling fluid circulating manifold, a well cementation manifold, a throttling kill manifold, a fracturing manifold and the like is adapted, and the economic performance and the market popularization value are good.
Drawings
Fig. 1 is a schematic structural view of a high-pressure manifold screw-type quick-connection device in embodiment 1 of the present invention;
fig. 2 is a schematic front structural view of a turn-knob type quick-coupling device for a high-pressure manifold in embodiment 1 of the present invention;
FIG. 3 is a cross-sectional view B-B of FIG. 2;
FIG. 4 is a cross-sectional view taken in step A-A of the high pressure manifold of FIG. 3 in the locked state of the twist-on quick connect apparatus;
FIG. 5 is a stepped cross-sectional view A-A of the high pressure manifold of FIG. 3 in an unlocked state of the twist-on quick connect device;
fig. 6 is a schematic perspective view of a turn-knob type quick connection device for a high-pressure manifold in embodiment 2 of the present invention;
fig. 7 is a schematic front view of a turn-knob type quick-coupling device for a high-pressure manifold in embodiment 2 of the present invention;
FIG. 8 is a cross-sectional view B-B of FIG. 7;
FIG. 9 is a cross-sectional view taken in step A-A of the high pressure manifold of FIG. 8 in the locked position of the twist-on quick connect apparatus;
fig. 10 is a stepped cross-sectional view a-a of the high pressure manifold of fig. 8 in an unlocked state of the twist-on quick connect device.
In the figure, 1, a female joint, 2, a driving disc, 3, a locking block, 4, screws a, 5, a driving handle, 6, a male joint, 7, a sealing bracket, 8, a sealing baffle ring, 9, a guide belt a, 10, a sealing ring a, 11, screws b, 12, a dust ring, 13, a positioning pin, 14, a guide groove and 15 through holes are arranged.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example one
The invention relates to a knob type quick connection device for a high-pressure manifold, which comprises a tubular female joint 1, a tubular male joint 6 and a locking mechanism, wherein the female joint 1 is sleeved on the male joint 6, the locking mechanism is arranged in the middle of the female joint 1, a driving handle 5 is fixed on the outer wall of the locking mechanism, and the female joint 1 and the male joint 6 are locked or unlocked by rotating the locking mechanism through the driving handle 5, referring to fig. 1 and 2.
Referring to fig. 3, the locking mechanism is composed of a sector locking block 3, a driving disc 2 and a screw a4, the screw a4 is in threaded connection with the locking block 3, the driving disc 2 is sleeved outside the locking block 3, and the width of the driving disc 2 is larger than that of the locking block 3. An arc-shaped guide groove 14 is formed in the driving disc 2, and the cross section of the guide groove 14 is T-shaped; one end of the guide groove 14 is close to the inner wall of the driving disc 2, the other end is close to the outer wall of the driving disc 2, and the head of the screw a4 slides in the guide groove 14 to drive the locking block 3 to move radially.
Four fan-shaped through-holes 15 of circumference have been seted up at female joint 1 middle part, and locking piece 3 embedding is in fan-shaped through-hole 15, and locking piece 3 and fan-shaped through-hole 15 clearance fit, locking piece 3 can be at fan-shaped through-hole 15 internal radial movement.
The inner wall of the locking block 3 is provided with a serrated clamping groove a, and the outer wall of the male connector 6 is provided with a protruding end a matched with the clamping groove a, so that the female connector 1 and the male connector 6 can be tightly locked.
The inner wall of the female connector 1 is provided with a step-shaped groove b, a step-shaped sealing baffle ring 8 and an annular sealing bracket 7 are sequentially arranged between the female connector 1 and the male connector 6, the sealing baffle ring 8 and the sealing bracket 7 are embedded in the groove b, the sealing baffle ring 8 and the sealing bracket 7 are fixedly connected through a screw b11, the outer wall of the sealing baffle ring 8 is sleeved with a dust ring 12, and a groove a for embedding the dust ring 12 is formed in the inner wall of the female connector 1.
A groove c is formed in the outer side face of the end part of the sealing bracket 7 close to the sealing baffle ring 8, a sealing ring a10 is embedded in the groove c, a groove d is formed in the end face of the sealing bracket 7 close to the male connector 6, and a sealing ring b is embedded in the groove d; the outer wall of the sealing bracket 7 is provided with a groove m, and a guide belt a9 is embedded in the groove m.
When the knob type quick connection device for the high-pressure manifold is used, the end of the free end of the pipe A is inserted into the inner cavity of the left end of the female connector 1, the pipe A and the end of the left end of the female connector 1 are tightly fixed, the end of the free end of the pipe B to be connected with the pipe A is inserted into the inner cavity of the right end of the male connector 6, the pipe B and the end of the right end of the male connector 6 are tightly fixed, and finally the male connector 6 is inserted into the female connector 1; the driving handle 5 is held by hand, the driving disk 2 is rotated anticlockwise, and when the head of the screw a4 is clamped at the end part of the guide groove 14 nearest to the inner wall of the driving disk 2, the female connector 1 and the male connector 6 are locked (see figure 4).
When the female connector 1 and the male connector 6 need to be disconnected, the drive handle 5 is held by hand, the drive disk 2 is rotated clockwise, and the female connector 1 and the male connector 6 are disconnected when the head of the screw a4 is clamped at the end part of the guide groove 14 closest to the outer wall of the drive disk 2 (see fig. 5).
Example two
The invention relates to a knob type quick connection device for a high-pressure manifold, which comprises a tubular female joint 1, a tubular male joint 6 and a locking mechanism, wherein the female joint 1 is sleeved on the male joint 6, the locking mechanism is arranged in the middle of the female joint 1, a driving handle 5 is fixed on the outer wall of the locking mechanism, and the female joint 1 and the male joint 6 are locked or unlocked by rotating the locking mechanism through the driving handle 5, referring to fig. 6 and 7.
Referring to fig. 8, the locking mechanism is composed of a sector lock block 3, a drive disc 2 and a screw a4, the screw a4 is in threaded connection with the lock block 3, the drive disc 2 is sleeved outside the lock block 3, the width of the drive disc 2 is larger than that of the lock block 3, and the drive disc 2 and the female joint 1 are fixedly connected through a positioning pin 13.
An arc-shaped guide groove 14 is formed in the driving disc 2, one end of the guide groove 14 is close to the inner wall of the driving disc 2, the other end of the guide groove 14 is close to the outer wall of the driving disc 2, and the head of the screw a4 slides in the guide groove 14 to drive the locking block 3 to move radially.
Four fan-shaped through-holes 15 of circumference have been seted up at female joint 1 middle part, and locking piece 3 embedding is in fan-shaped through-hole 15, and locking piece 3 and fan-shaped through-hole 15 clearance fit, locking piece 3 can be at fan-shaped through-hole 15 internal radial movement.
Cockscomb structure draw-in groove b has been seted up to the outer wall of male joint 6, and 3 inner walls of locking piece are provided with the protrusion end b with draw-in groove b matched with, are convenient for closely lock female joint 1 and male joint 6.
Four grooves are arranged on the outer wall of one end of the male connector 6 close to the female connector 1 at intervals, guide belts b are embedded in two grooves at the outermost side, and sealing rings c are embedded in two grooves in the middle.
When the turn-knob type quick connection device for the second high-pressure manifold of the embodiment is used, the end of the free end of the pipe A is inserted into the inner cavity at the left end of the female connector 1 and is tightly fixed, the end of the free end of the pipe B to be connected with the pipe A is inserted into the inner cavity at the right end of the male connector 6 and is tightly fixed, and finally the male connector 6 is inserted into the inner cavity of the female connector 1, so that the end surface at the left end of the male connector is tightly attached to the end surface of the inner cavity of the female connector; the driving handle 5 is held by hand, the driving disk 2 is rotated anticlockwise, and when the head of the screw a4 is clamped at the end part of the guide groove 14 nearest to the inner wall of the driving disk 2, the female connector 1 and the male connector 6 are locked (see figure 9).
When the female connector 1 and the male connector 6 need to be disconnected, the drive handle 5 is held by hand, the drive disk 2 is rotated clockwise, and the female connector 1 and the male connector 6 are disconnected when the head of the screw a4 is clamped at the end part of the guide groove 14 closest to the outer wall of the drive disk 2 (see fig. 10).
Claims (4)
1. The knob type quick connection device for the high-pressure manifold is characterized by comprising a tubular female connector (1), a tubular male connector (6) and a locking mechanism, wherein the female connector (1) is sleeved on the male connector (6), the locking mechanism is arranged in the middle of the female connector (1), and the female connector (1) and the male connector (6) are locked or separated by rotating the locking mechanism; the locking mechanism is composed of a fan-shaped locking block (3), a driving disc (2) and a screw a (4), the screw a (4) is in threaded connection with the locking block (3), the driving disc (2) is sleeved on the outer side of the locking block (3), an arc-shaped guide groove (14) is arranged in the driving disc (2), one end of the guide groove (14) is close to the inner wall of the driving disc (2), the other end of the guide groove is close to the outer wall of the driving disc (2), and the head of the screw a (4) slides in the guide groove (14) to drive the locking block (3) to move radially; the middle of the female joint (1) is provided with at least two circumferential through holes (15), the locking block (3) is embedded in the through holes (15), and the locking block (3) is in clearance fit with the through holes (15); a step-shaped groove b is formed in the inner wall of the female connector (1), a step-shaped sealing baffle ring (8) and an annular sealing bracket (7) are sequentially arranged between the female connector (1) and the male connector (6), and the sealing baffle ring (8) and the sealing bracket (7) are embedded in the groove b; a driving handle (5) is fixed on the outer wall of the locking mechanism; the inner wall of the locking block (3) is provided with a clamping groove a, the outer wall of the male connector (6) is provided with a protruding end a matched with the clamping groove a, or the outer wall of the male connector (6) is provided with a clamping groove b, and the inner wall of the locking block (3) is provided with a protruding end b matched with the clamping groove b.
2. The knob type quick connection device for the high-pressure manifold according to claim 1, wherein a dust ring (12) is sleeved on the outer wall of the sealing baffle ring (8).
3. The knob type quick connection device for the high-pressure manifold according to claim 1, wherein a sealing ring a (10) is sleeved on the outer side face of the end portion of the sealing bracket (7) close to the sealing baffle ring (8), a groove d is formed in the end face of the sealing bracket (7) close to the male connector (6), a sealing ring b is embedded in the groove d, and a guide belt a (9) is sleeved on the outer wall of the sealing bracket (7).
4. The knob type quick connecting device for the high-pressure manifold according to claim 1, wherein a guide belt b and a sealing ring c are arranged on the outer wall of one end of the male connector (6) close to the female connector (1) in a spacing sleeve mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910185802.7A CN109973738B (en) | 2019-03-12 | 2019-03-12 | High pressure manifold is with soon connecting device of knob type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910185802.7A CN109973738B (en) | 2019-03-12 | 2019-03-12 | High pressure manifold is with soon connecting device of knob type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109973738A CN109973738A (en) | 2019-07-05 |
| CN109973738B true CN109973738B (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910185802.7A Active CN109973738B (en) | 2019-03-12 | 2019-03-12 | High pressure manifold is with soon connecting device of knob type |
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| Country | Link |
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| CN (1) | CN109973738B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111623185A (en) * | 2020-06-06 | 2020-09-04 | 台州宝盾科技有限公司 | Connecting structure of pipe fittings and construction method thereof |
| CN113357461B (en) * | 2021-06-02 | 2022-11-11 | 玉环华能叶轮股份有限公司 | Quick connector for fluid pipeline |
| CN113417580B (en) * | 2021-06-23 | 2024-04-09 | 四川宏华石油设备有限公司 | Manifold device and manifold system adopting same |
| CN114321526A (en) * | 2022-01-05 | 2022-04-12 | 盐城市锦东液压机械有限公司 | Quick connector convenient to maintenance |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2001244A (en) * | 1933-09-16 | 1935-05-14 | Benjamin F Gentle | Coupling |
| EP0153773A2 (en) * | 1984-02-23 | 1985-09-04 | Giorgio Bormioli | Quick-connecting device for pipes |
| CN108291680A (en) * | 2015-11-20 | 2018-07-17 | 法国电力公司 | Pipe and the sealing device across the column of the pipe and the method for installing it |
| CN208311747U (en) * | 2018-04-28 | 2019-01-01 | 连云港天邦科技开发有限公司 | A kind of self-styled dry type quick coupling of locking type |
-
2019
- 2019-03-12 CN CN201910185802.7A patent/CN109973738B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2001244A (en) * | 1933-09-16 | 1935-05-14 | Benjamin F Gentle | Coupling |
| EP0153773A2 (en) * | 1984-02-23 | 1985-09-04 | Giorgio Bormioli | Quick-connecting device for pipes |
| CN108291680A (en) * | 2015-11-20 | 2018-07-17 | 法国电力公司 | Pipe and the sealing device across the column of the pipe and the method for installing it |
| CN208311747U (en) * | 2018-04-28 | 2019-01-01 | 连云港天邦科技开发有限公司 | A kind of self-styled dry type quick coupling of locking type |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109973738A (en) | 2019-07-05 |
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Effective date of registration: 20200930 Address after: Baoji City, Shaanxi Province, 721002 Dongfeng Road, Jintai District No. 2 Applicant after: Baoji Oilfield Machinery Co.,Ltd. Applicant after: CHINA NATIONAL PETROLEUM Corp. Applicant after: CNPC national oil and gas drilling equipment Engineering Technology Research Center Co., Ltd Address before: Baoji City, Shaanxi Province, 721002 Dongfeng Road, Jintai District No. 2 Applicant before: Baoji Oilfield Machinery Co.,Ltd. |
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