CN216811640U - Fracturing valve - Google Patents

Fracturing valve Download PDF

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Publication number
CN216811640U
CN216811640U CN202220148844.0U CN202220148844U CN216811640U CN 216811640 U CN216811640 U CN 216811640U CN 202220148844 U CN202220148844 U CN 202220148844U CN 216811640 U CN216811640 U CN 216811640U
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China
Prior art keywords
valve
drive
transmission
raft
driving part
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CN202220148844.0U
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Chinese (zh)
Inventor
林柏
包德健
鞠国领
王继鑫
亓凤杰
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Yantai Jereh Petroleum Equipment and Technologies Co Ltd
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Yantai Jereh Petroleum Equipment and Technologies Co Ltd
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Abstract

The utility model provides a fracturing valve, which comprises: the valve body is internally provided with a valve cavity; the raft plate is arranged in the valve cavity; the connecting piece comprises a first end and a second end, and the first end is connected with the raft plate; the transmission piece is in transmission connection with the connecting piece; the first driving part comprises a manual driving part, and the manual driving part is in transmission connection with the connecting part through the transmission part so as to drive the raft to ascend or descend; the second driving part comprises an automatic driving part which is in transmission connection with the connecting part through the transmission part so as to drive the raft to ascend or descend; compared with the prior art, the fracturing valve has the advantages that the structure of the valve body is simple and the valve body is convenient to maintain while the fracturing valve has two driving modes of manual driving and automatic driving.

Description

Fracturing valve
Technical Field
The application relates to the field of mechanical equipment, in particular to a fracturing valve.
Background
Along with the continuous deepening of the national oil and gas major development strategy, domestic oil and gas development takes yield increase and efficiency improvement as an important development direction, so that higher requirements are put forward on traditional oil and gas equipment in related fields; for example, a conventional fracturing valve mainly comprises a manual fracturing valve, a hydraulic fracturing valve and a hand-hydraulic integrated fracturing valve (hydraulic cylinder piston type), wherein the manual fracturing valve is opened and closed through a hand wheel, but as the manual valve is too large in opening and closing torque, more in opening and closing turns, time and labor are wasted in manual opening and closing and the like, part of users cancel the use of the manual fracturing valve; the hydraulic fracturing valve drives the piston to move up and down through hydraulic pressure to drive the valve rod and the valve plate to move so as to realize the opening and closing of the valve, the opening and closing process is time-saving and labor-saving, but if the hydraulic driving system is abnormal, the valve cannot be opened and closed; although the hand-liquid integrated fracturing valve can realize manual and automatic switching, the liquid chamber is required to be arranged in the valve body, and the linkage piece of the raft plate needs to penetrate through the liquid chamber, so that the complexity of the whole valve body is increased, the sealing performance of the valve body is required to be higher, and the manufacturing cost and the maintenance cost of the valve body are improved.
Disclosure of Invention
The utility model provides a fracturing valve which comprises a valve body, a raft plate and a connecting piece, wherein the valve body is provided with a valve body; the connecting pieces are connected with the raft plates; fracturing valve still is equipped with driving medium and first drive division and second drive division, first drive division is manual drive division, the second drive division is automatic drive division, first drive division and second drive division all pass through the driving medium with the connecting piece transmission is connected, in order to drive the rising and the decline of raft board, it is when having two kinds of drive modes of manual and automatic concurrently, and cylinder or hydraulic cylinder are not included to the valve body inside, its valve body simple structure, and the maintenance of being convenient for to solve the problem that manual-automatic fracturing valve's among the prior art structure is complicated, requires high to drive part's leakproofness.
The utility model provides a fracturing valve, which comprises:
the valve body is internally provided with a valve cavity;
the raft plate is arranged in the valve cavity;
the connecting piece comprises a first end and a second end, and the first end is connected with the raft;
the transmission piece is in transmission connection with the connecting piece;
the first driving part comprises a manual driving piece, and the manual driving piece is in transmission connection with the connecting piece through the transmission piece so as to drive the raft to ascend or descend;
and the second driving part comprises an automatic driving part, and the automatic driving part is in transmission connection with the connecting piece through the transmission part so as to drive the raft to ascend or descend.
Preferably, the transmission part comprises a screw rod and a transmission sleeve; one end of the screw rod is connected with the second end of the connecting piece; the transmission sleeve is rotatably arranged on the valve body, and the inner cavity of the transmission sleeve is in threaded connection with the screw rod.
Preferably, the second driving part comprises a gear box, and the output end of the automatic driving part is in transmission connection with the input end of the gear box; the output end of the gear box is in transmission connection with the transmission sleeve.
Preferably, the transmission sleeve is sleeved with a gear ring, and the gear ring is in transmission connection with the output end of the gear box.
Preferably, the automatic drive member is a rotary stroke drive member.
Preferably, the manual drive is a rotary stroke drive.
Preferably, the frac valve includes a crossover joint for activating the second drive.
Preferably, the second drive division includes the encoder, the encoder install in automatic drive spare is used for the control automatic drive spare's operation carries out real time monitoring, thereby the control the position of raft board.
Preferably, the fracturing valve comprises a tail rod, and one end of the tail rod is installed at the lower end of the raft; the other end of the tail rod penetrates through a guide groove in the valve cavity.
Preferably, the lower part of the fracturing valve is provided with a proximity switch to monitor the position of the tail rod.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages: the fracturing valve comprises a valve body, a raft plate and a connecting piece; the connecting piece is connected with the raft; fracturing valve still is equipped with driving medium and first drive division and second drive division, first drive division is manual drive division, the second drive division is automatic drive division, first drive division and second drive division all pass through the driving medium with the connecting piece transmission is connected, in order to drive the rising and the decline of raft board, it is when having two kinds of drive modes of manual and automatic concurrently, and air chamber or liquid chamber are not included to valve body inside, and its valve body simple structure is convenient for maintain.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a front view of the frac valve provided herein.
FIG. 2 is a front planing view of the frac valve provided herein.
FIG. 3 is a side view of the frac valve provided herein.
Fig. 4 is a perspective view of the frac valve provided herein.
FIG. 5 is a block diagram of a crossover joint of the frac valve provided herein.
Description of the drawings: 1. a valve body; 11. a valve cavity; 111. a guide groove; 2. a raft plate; 21. a valve bore; 3. a connecting member; 4. a transmission member; 41. a screw rod; 42. a transmission sleeve; 5. a first driving section; 51. a manual drive; 52. connecting sleeves; 6. a second driving section; 61. an automatic drive; 62. a gear case; 621. a transmission gear; 63. an encoder; 7. a crossover sub; 8. a tail rod; 81. an extension section; 9. a proximity switch.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Although the hand-liquid integrated fracturing valve in the prior art can realize the switching between manual driving and automatic driving, a liquid chamber is generally arranged in the hand-liquid integrated fracturing valve, and the liquid chamber is also a cylinder barrel of a hydraulic cylinder; the liquid chamber is generally arranged at a driving part of the fracturing valve, the upper part of a connecting piece connected with the raft is generally connected with a piston in the liquid chamber, and the piston drives the connecting piece to ascend or descend so as to ascend or descend the raft; on one hand, the structure has high requirements on the corrosion resistance of the material of the liquid chamber and the sealing property of the liquid chamber, and a high-quality sealing bearing is required; in a second aspect, the compatibility of the automatic driving manner with manual driving is poor, it is necessary to ensure that the pressure in the liquid chamber is consistent with the external atmospheric pressure when switching between manual driving and manual driving, and if the pressure in the liquid chamber is inconsistent with the external atmospheric pressure, the pressure in the liquid chamber may hinder the movement of the raft, and in order to avoid the above situation, the fracturing valve needs to be designed with a complex operation logic and a complex transmission structure; due to the above two reasons, the production cost and the maintenance cost of the fracturing valve are increased.
In order to solve the technical problem, the utility model provides a fracturing valve, which comprises a valve body, a raft plate and a connecting piece; the connecting piece is connected with the raft; fracturing valve still is equipped with driving medium and first drive division and second drive division, first drive division is manual drive division, the second drive division is automatic drive division, first drive division and second drive division all pass through the driving medium with the connecting piece transmission is connected, in order to drive the rising and the decline of raft board, it is when having two kinds of drive modes of manual and automatic concurrently, and air chamber or liquid chamber are not included to valve body inside, and its valve body simple structure is convenient for maintain.
Specifically, referring to fig. 1 to 5, fig. 1 is a front view of the fracturing valve provided in the present application; FIG. 2 is a front planing view of the frac valve provided herein; FIG. 3 is a side view of the frac valve provided herein; FIG. 4 is a perspective view of the fracturing valve provided herein; fig. 5 is a structural diagram of a crossover joint of the fracturing valve provided in the present application.
Referring to fig. 1 to 4, the present invention provides a frac valve comprising:
the valve body 1 is internally provided with a valve cavity 11;
the raft plate 2 is arranged in the valve cavity 11;
the connecting piece 3 comprises a first end and a second end, and the first end is connected with the raft plate 2;
the transmission piece 4 is in transmission connection with the connecting piece 3;
the first driving part 5 comprises a manual driving part 51, and the manual driving part 51 is in transmission connection with the connecting piece 3 through the transmission piece 4 so as to drive the raft 2 to ascend or descend;
and the second driving part 6 comprises an automatic driving part 61, and the automatic driving part 61 is in transmission connection with the connecting part 3 through the transmission part 4 so as to drive the raft 2 to ascend or descend.
The fracturing valve is provided with the transmission piece 4 for directly controlling the ascending or descending of the connecting piece 3; the first driving part 5 driven manually and the second driving part 6 driven automatically are in transmission connection with the transmission part 4; the first driving part 5 and the second driving part 6 can independently drive the transmission piece 4 to move, so that the connecting piece 3 is lifted or lowered; thereby raising or lowering the rafts 2; compared with the prior art, the valve body 1 does not need to be provided with a liquid chamber or an air chamber, and is simple in structure and convenient to maintain.
In an alternative embodiment, the valve body 11 includes a front end surface and a rear end surface which are oppositely arranged, the front end surface and the rear end surface are respectively provided with a water inlet hole and a water outlet hole, and the water inlet hole and the water outlet hole are both communicated with the valve cavity 1; the water inlet hole and the water outlet hole are coaxially arranged; the diameters of the water inlet holes and the water outlet holes are equal; the raft plate 2 is provided with a valve hole 21 for the fluid to pass through; the width of the raft plate 2 is larger than the aperture of the water inlet hole and the water outlet hole; the aperture of the valve hole 21 is equal to that of the water inlet hole and the water outlet hole; the raft plate 2 is provided with a first surface and a second surface which are oppositely arranged, the first surface faces the water inlet hole, and the second surface faces the water outlet hole; the spacing between the first face and the second face is the thickness of the raft 2; a third surface and a fourth surface which are oppositely arranged are arranged in the valve cavity 11; the third surface faces the first surface and is abutted against the first surface; the fourth surface faces the second surface, and the fourth surface abuts against the second surface.
The first driving part 5 or the second driving part 6 drives the raft 2 to ascend or descend, so that the valve hole 21 of the raft 2 is completely staggered with the water inlet hole or the water outlet hole, and the fracturing valve is closed; the first driving part 5 or the second driving part 6 drives the raft 2 to descend or ascend, so that the valve hole 21 of the raft 2 is axially aligned with or partially overlapped with the water inlet hole or the water outlet hole, and the fracturing valve is opened; the opening degree of the valve is controlled by the coincidence degree of the valve hole 21 and the water inlet hole or the water outlet hole.
In an alternative embodiment, with reference to fig. 2, said transmission member 4 comprises a screw 41 and a transmission sleeve 42; one end of the screw rod 41 is connected with the second end of the connecting piece 3; the transmission sleeve 42 is rotatably mounted on the valve body 1, and an inner cavity of the transmission sleeve 42 is in threaded connection with the screw rod 41.
Optionally, the rotation of the transmission member 4 raises or lowers the screw rod 41; as the screw rod 41 is connected with the connecting piece 3, the movement of the screw rod 41 can drive the connecting piece 3 to ascend or descend, and the movement of the connecting piece 3 drives the raft 2 to ascend or descend; the valve is opened and closed through the series of transmission.
Alternatively, the screw 41 may be a ball screw.
Optionally, a limiting member is disposed in the screw rod 41 or the transmission sleeve 42 to limit a movement range of the screw rod 41 in the vertical direction.
Optionally, the transmission member 4 is rotatably mounted on the valve body 1, and the transmission member 4 cannot move in the vertical direction or can move in an intelligent small range.
Alternatively, the first driving part 5 and the second driving part 6 may both drive the transmission sleeve 42 to rotate.
Optionally, the transmission sleeve 42 may be a cylindrical structure, and a cylindrical assembly cavity is formed inside the transmission sleeve; the lower end of the assembling cavity is provided with an opening, and an internal thread is arranged in the assembling cavity opposite to the screw rod 41; the driving sleeve 42 may also be a tubular structure, and the inner wall thereof is provided with an internal thread opposite to the screw rod 41; the driving sleeve 42 may also be of other shapes to achieve the raising or lowering of the screw 41.
In an alternative embodiment, the second driving part 6 comprises a gear box 62, and the output end of the automatic driving part 61 is in transmission connection with the input end of the gear box 62; the output end of the gear box 62 is in transmission connection with the transmission sleeve 42.
Optionally, the driving sleeve 42 is sleeved with a ring gear (not shown), and the ring gear is in driving connection with the output end of the gear box 62.
In an alternative embodiment, the automatic drive 61 is a rotary stroke drive; the output end of the rotary stroke driving piece is in transmission connection with the input end of the gear box 62.
Alternatively, the automatic drive member 61 may be a motor.
Alternatively, the automatic driving member 61 may be a rotary air cylinder or a rotary hydraulic cylinder.
Optionally, a gear is disposed on the output shaft of the automatic driving member 61, and the gear on the output shaft of the motor is meshed with the transmission gear 621 in the gear box 62.
Alternatively, a gear provided on the output shaft of the automatic driving member 61 may be engaged with a ring gear fitted over the driving sleeve 42, so that the gear case 62 is not required.
Optionally, the gearbox 62 includes multiple sets of intermeshing gears therein to perform a shifting function.
In an alternative embodiment, the manual drive 51 is a rotary stroke drive.
Alternatively, the manual drive 51 may be a hand wheel.
Optionally, the hand wheel is horizontally arranged, and the center position of the hand wheel is fixedly connected with the upper end of the connecting sleeve 52; the connecting sleeve 52 is rotatably arranged on the valve body 1; the lower end of the connecting sleeve 52 is fixedly connected with the upper end of the transmission sleeve 42; the hand wheel, the connecting sleeve 52 and the transmission sleeve 42 are coaxially arranged.
Optionally, the transmission sleeve 42 and the connection sleeve 52 are both tubular structures; the upper end of the screw rod 41 is transmitted through the transmission sleeve 42 and enters the connecting sleeve 52; thereby making the structure of the whole pressure valve more compact.
In an alternative embodiment, the frac valve includes a crossover joint 7, the crossover joint 7 being used to activate the second drive 6.
Alternatively, as shown in fig. 5, the adapter 7 is mounted on the valve body 1; the adapter 7 is a knob switch including a knob, and an operator turns the knob to turn on or off the second driving unit 6, thereby switching between an automatic mode and a manual mode.
In an alternative embodiment, the second driving part 6 comprises an encoder 63, and the encoder 63 is mounted on the automatic driving part 61 and used for monitoring the operation of the automatic driving part 61 in real time so as to monitor the position of the raft 2.
Further, the second driving portion 6 is the rotary stroke driving member, and the end of the driving shaft thereof is connected to the sensing end of the encoder 63.
Further, the fracturing valve comprises a tail rod 8, and one end of the tail rod 8 is installed at the lower end of the raft 2; the other end of the tail rod 8 passes through a guide groove 111 in the valve cavity 11; the guide groove 111 serves as a guide.
Furthermore, a proximity switch 9 is arranged at the lower part of the fracturing valve so as to monitor the position of the tail rod 8.
In this embodiment, the encoder 63 can feed back the number of switch turns of the valve in real time, and real-time monitoring is realized, and whether the proximity switch 9 can monitor the tail rod 8 in place, when sand is accumulated in the valve cavity 11 and the valve cannot be in a fully-opened or fully-closed state, the on-off state of the valve can be known by the operator through the information fed back by the encoder 63 and the proximity switch 9.
Furthermore, an extension section 81 is arranged at one end of the tail rod 8 far away from the raft 2, and the outer diameter of the extension section 81 is smaller than that of the tail rod 8; the proximity switch 9 is arranged at the lower end position of the valve body 1, and the tail rod 8 is provided with a reflecting surface relative to the proximity switch 9, so that the proximity switch 9 can detect the position of the tail rod 8 more easily.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description is only for the purpose of describing particular embodiments of the present invention, and is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A frac valve, comprising:
the valve body (1) is internally provided with a valve cavity (11);
the raft plate (2) is arranged in the valve cavity (11);
the connecting piece (3) comprises a first end and a second end, and the first end is connected with the raft plate (2);
the transmission piece (4), the transmission piece (4) is connected with the connecting piece (3) in a transmission way;
the first driving part (5) comprises a manual driving part (51), and the manual driving part (51) is in transmission connection with the connecting piece (3) through the transmission piece (4) so as to drive the raft (2) to ascend or descend;
and the second driving part (6) comprises an automatic driving part (61), and the automatic driving part (61) is in transmission connection with the connecting part (3) through the transmission part (4) so as to drive the raft (2) to ascend or descend.
2. Fracturing valve according to claim 1, wherein the transmission (4) comprises a screw (41) and a transmission sleeve (42); one end of the screw rod (41) is connected with the second end of the connecting piece (3); the transmission sleeve (42) can be rotatably arranged on the valve body (1), and the inner cavity of the transmission sleeve (42) is in threaded connection with the screw rod (41).
3. The frac valve of claim 2, wherein the second drive section (6) comprises a gear box (62), the output of the automatic drive (61) being drivingly connected to the input of the gear box (62); the output end of the gear box (62) is in transmission connection with the transmission sleeve (42).
4. A frac valve according to claim 3 wherein the drive sleeve (42) is sleeved with a toothed ring, the toothed ring being in driving connection with the output of the gearbox (62).
5. The frac valve of claim 1, wherein the automatic drive (61) is a rotary stroke drive.
6. The frac valve of claim 2, wherein the manual drive (51) is a rotary stroke drive.
7. A frac valve according to claim 1, comprising a crossover joint (7), said crossover joint (7) being used to activate the second drive (6).
8. The frac valve of claim 5, wherein the second drive (6) comprises an encoder (63), the encoder (63) being mounted to the automatic drive (61) for monitoring the operation of the automatic drive (61) in real time to monitor the position of the rafts (2).
9. The fracturing valve according to claim 1, characterized in that it comprises a tail rod (8), one end of said tail rod (8) being mounted at a lower end position of said raft (2); the other end of the tail rod (8) passes through a guide groove (111) in the valve cavity (11).
10. A frac valve according to claim 9, wherein the lower part of the frac valve is provided with a proximity switch (9) to monitor the position of the tail rod (8).
CN202220148844.0U 2022-01-19 2022-01-19 Fracturing valve Active CN216811640U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220148844.0U CN216811640U (en) 2022-01-19 2022-01-19 Fracturing valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220148844.0U CN216811640U (en) 2022-01-19 2022-01-19 Fracturing valve

Publications (1)

Publication Number Publication Date
CN216811640U true CN216811640U (en) 2022-06-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220148844.0U Active CN216811640U (en) 2022-01-19 2022-01-19 Fracturing valve

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116575895A (en) * 2023-06-05 2023-08-11 建湖县鸿达阀门管件有限公司 Possesses automatically regulated, remote control superhigh pressure single channel big latus rectum fracturing manifold

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116575895A (en) * 2023-06-05 2023-08-11 建湖县鸿达阀门管件有限公司 Possesses automatically regulated, remote control superhigh pressure single channel big latus rectum fracturing manifold
CN116575895B (en) * 2023-06-05 2023-10-24 建湖县鸿达阀门管件有限公司 Possesses automatically regulated, remote control superhigh pressure single channel big latus rectum fracturing manifold

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