CN216519700U

CN216519700U - Novel plug valve core for shale gas fracturing pump

Info

Publication number: CN216519700U
Application number: CN202123357423.3U
Authority: CN
Inventors: 傅剑波
Original assignee: Nanjing Chenwei Machinery Equipment Manufacturing Co ltd
Current assignee: Nanjing Chenwei Machinery Equipment Manufacturing Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-13
Anticipated expiration: 2031-12-29

Abstract

The utility model relates to the technical field of plug valves, in particular to a novel plug valve core for a shale gas fracturing pump. The technical scheme comprises the following steps: connecting block, closing plate and material layer, the threaded rod is installed to the connecting block bottom, and the threaded rod bottom is installed and is revolved the seat, revolves the seat bottom and installs the connecting rod, and the closing plate is installed in the connecting rod outside, and two sets of fixed plates are installed to the closing plate both sides, and the buffer board is installed to fixed plate one side, and the seal cover is installed to the closing plate bottom, and the closing plate openly is equipped with the material layer, and the anti fouling layer bottom is equipped with the anticorrosive coating. According to the utility model, the impact force generated in the liquid transmission process can be buffered through the buffer plate, the deformation or damage of the sealing plate caused by the high impact force of the liquid on the device in the sealing process is avoided, and the reduction of the sealing effect caused by the deformation or damage of the sealing plate is prevented, so that the sealing effect of the device is improved, and the maintenance burden of the device is reduced.

Description

Novel plug valve core for shale gas fracturing pump

Technical Field

The utility model relates to the technical field of plug valves, in particular to a novel plug valve core for a shale gas fracturing pump.

Background

The plug valve is a rotary valve with a plug-shaped closing member, a channel port on the plug is communicated with or separated from a channel port on the valve body by rotating 90 degrees, and the plug valve is a valve with a plug body with a through hole as an opening and closing member. The plug body rotates along with the valve rod to realize opening and closing actions, and the movement between the sealing surfaces of the plug valve has a wiping effect, so that the plug valve can be completely prevented from being contacted with a flowing medium when being opened fully, and can be generally used for the medium with suspended particles.

Through retrieval, patent publication No. CN202834170U discloses a plug valve core structure, specifically is a moving part for controlling the opening and closing of a plug valve or regulating the flow, and belongs to the technical field of mechanical structures. It comprises a metal core, a rubber layer, a plug and a web plate; the rubber layer is coated on the outer side of the metal core, and the plug is fixed in the through hole of the metal core through welding; a cavity is reserved in the metal core, and a web plate is arranged in the cavity. The utility model has simple, compact and reasonable structure; when the metal core is cast, a cavity is left in the metal core, and the cavity is also provided with a web.

The existing plug valve has the defects that:

1. the existing plug valve cannot buffer the impact force generated in the liquid transmission process, so that the device is subjected to higher liquid impact force in the sealing process to cause the sealing plate to deform or damage, and the sealing effect is reduced after the sealing plate deforms or is damaged, so that the sealing effect of the device is reduced, and the maintenance burden of the device is increased;

2. the existing plug valve cannot protect the surface of the sealing plate, so that the sealing plate is soaked in liquid for a long time to generate corrosion, the strength of the sealing plate is reduced after the sealing plate is corroded, the corrosion on the surface of the sealing plate can influence the liquid, the using effect of the device is reduced, and the service life of the device is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel plug valve core for a shale gas fracturing pump, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a shale atmospheric pressure splits novel plug valve case for pump, includes connecting block, closing plate and material layer, the threaded rod is installed to the connecting block bottom, the threaded rod bottom is installed and is revolved the seat, revolve the seat bottom and install the connecting rod, the closing plate is installed in the connecting rod outside, two sets of fixed plates are installed to the closing plate both sides, the buffer board is installed to fixed plate one side, the seal cover is installed to the closing plate bottom, the closing plate openly is equipped with the material layer, the material layer includes anti-scaling layer, anticorrosive coating, rubber layer, glues glutinous layer, the anti-scaling layer bottom is equipped with the anticorrosive coating.

Can drive the threaded rod through the bull stick rotation and rotate, can cushion the impact force that produces in the liquid transmission process through the buffer board, avoid the device to receive the liquid impact force higher to lead to the closing plate to take place to warp or damage at sealed in-process, prevent that the closing plate from taking place to warp or lead to sealed effect to reduce after damaging, thereby the sealed effect of device has been improved, the maintenance burden of device has been reduced simultaneously, can protect the closing plate surface through the scale prevention layer in the material layer, avoid the closing plate to soak for a long time and produce the corrosion in liquid, prevent to shorten life after the closing plate takes place the corrosion, prevent simultaneously that the corrosion of closing plate surface from influencing liquid, the result of use of device has been improved, the service life of device has been prolonged.

Preferably, an auxiliary rod is installed inside the sealing sleeve, and a buckle is installed at the bottom of the auxiliary rod. The auxiliary rod can provide a mounting position for the buckle, and the buckle can be convenient for fixing and limiting the sealing plate.

Preferably, the sealing plate internally mounted has the strengthening rib, and two sets of stereotype plates are installed to the strengthening rib both sides. The bearing capacity of strengthening rib multiplicable closing plate, the closing plate of being convenient for uses, and the setting board can be stereotyped the support to the closing plate, avoids the closing plate to take place to warp.

Preferably, two groups of connecting pieces are installed on two sides of the connecting block, and an L-shaped buckle is installed on one side of each connecting piece. The connecting piece can be detained to L shape and provide the mounted position, and L shape is detained and to be fixed the device, avoids taking place the mistake in the use and touches.

Preferably, the rotating rod is installed at the top of the connecting block, and the rotating disc is installed at the top of the rotating rod. The rotating rod can provide a mounting position for the rotating disc, and the rotating disc can facilitate the rotation of the rotating rod by workers.

Preferably, the bottom of the anticorrosive layer is provided with a rubber layer, and the bottom of the rubber layer is provided with a sticky layer. The rubber layer can provide the mounted position to gluing the layer, glues the layer and can be connected rubber layer and closing plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. can cushion the impact force that produces in the liquid transmission process through the buffer board, avoid the device to receive the liquid impact force higher to lead to the closing plate to take place to warp or damage at sealed in-process, prevent that the closing plate from taking place to warp or damage and lead to sealed effect to reduce to improve the sealed effect of device, reduced the maintenance burden of device simultaneously.

2. Can protect the closing plate surface through the scale prevention layer in the material layer, avoid the closing plate to soak for a long time and produce the corrosion in liquid, prevent that the closing plate from leading to closing plate intensity to reduce after taking place the corrosion, prevent simultaneously that the corrosion on closing plate surface from taking place the influence to liquid, improved the result of use of device, prolonged the life of device.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an elevational, cross-sectional view of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a partial structure diagram of the material layer of the present invention.

In the figure: 1. connecting blocks; 101. a threaded rod; 102. rotating the base; 103. a connecting rod; 2. a sealing plate; 201. a fixing plate; 202. a buffer plate; 3. sealing sleeves; 301. an auxiliary lever; 302. buckling; 4. reinforcing ribs; 401. shaping plates; 5. a connecting member; 501. an L-shaped buckle; 6. a rotating rod; 601. a turntable; 7. a layer of material; 701. an anti-scaling layer; 702. an anticorrosive layer; 703. a rubber layer; 704. and (6) a sticky layer.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-4, the novel plug valve core for a shale gas fracturing pump provided by the utility model comprises a connecting block 1, a sealing plate 2 and a material layer 7, wherein a threaded rod 101 is installed at the bottom of the connecting block 1, a rotary seat 102 is installed at the bottom of the threaded rod 101, a connecting rod 103 is installed at the bottom of the rotary seat 102, the sealing plate 2 is installed outside the connecting rod 103, two groups of fixing plates 201 are installed on two sides of the sealing plate 2, a buffer plate 202 is installed on one side of each fixing plate 201, a sealing sleeve 3 is installed at the bottom of the sealing plate 2, the material layer 7 is arranged on the front surface of the sealing plate 2, the material layer 7 comprises an anti-scaling layer 701, an anti-corrosion layer 702, a rubber layer 703 and an adhesive layer 704, and the bottom of the anti-scaling layer 701 is provided with the anti-corrosion layer 702.

The novel plug valve core working principle for the shale gas fracturing pump based on the first embodiment is as follows: after the device is installed by the worker, the rotating rod 6 can be driven to rotate by the rotating turntable 601, the rotating rod 6 can rotate to drive the threaded rod 101 to rotate, the buffer plate 202 can buffer the impact force generated in the liquid transmission process, the sealing plate 2 is prevented from being deformed or damaged due to the high liquid impact force in the sealing process, the sealing effect is prevented from being reduced due to the deformation or damage of the sealing plate 2, thereby improving the sealing effect of the device, reducing the maintenance burden of the device, protecting the surface of the sealing plate 2 by the anti-scaling layer 701 in the material layer 7, avoiding the sealing plate 2 from being corroded by being soaked in liquid for a long time, preventing the service life of the sealing plate 2 from being shortened after being corroded, meanwhile, the corrosion on the surface of the sealing plate 2 is prevented from influencing the liquid, the using effect of the device is improved, and the service life of the device is prolonged.

Example two

As shown in fig. 2 to 4, compared with the first embodiment, the novel plug valve core for a shale gas fracturing pump provided in the present invention further includes: seal cover 3 internally mounted has auxiliary rod 301, and buckle 302 is installed to auxiliary rod 301 bottom, sealing plate 2 internally mounted has strengthening rib 4, and two sets of stereotype boards 401 are installed to 4 both sides of strengthening rib, two sets of connecting pieces 5 are installed to 1 both sides of connecting block, and connecting piece 5 one side is installed L shape and is detained 501, bull stick 6 is installed at 1 top of connecting block, and the carousel 601 is installed at 6 tops of bull stick, anticorrosive coating 702 bottom is equipped with rubber layer 703, and the rubber layer 703 bottom is equipped with glues glutinous layer 704.

In this embodiment, auxiliary rod 301 can provide the mounted position to buckle 302, buckle 302 can be convenient for closing plate 2 fixes spacingly, 4 multiplicable closing plate 2's of strengthening rib bearing capacity, it uses to be convenient for closing plate 2, stereotype board 401 can stereotype the support to closing plate 2, avoid closing plate 2 to take place to warp, connecting piece 5 can detain 501 to L shape and provide the mounted position, L shape is detained 501 and can be fixed the device, it touches to take place the mistake in the use, bull stick 6 can provide the mounted position to carousel 601, carousel 601 can be convenient for the staff and rotate bull stick 6, rubber layer 703 can provide the mounted position to gluing layer 704, gluing layer 704 can be connected rubber layer 703 and closing plate 2.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.

Claims

1. The utility model provides a shale atmospheric pressure splits novel plug valve case for pump, includes connecting block (1), closing plate (2) and material layer (7), its characterized in that: threaded rod (101) are installed to connecting block (1) bottom, threaded rod (101) bottom is installed and is revolved seat (102), install connecting rod (103) bottom revolving seat (102), sealing plate (2) are installed in connecting rod (103) outside, two sets of fixed plate (201) are installed to sealing plate (2) both sides, buffer board (202) are installed to fixed plate (201) one side, seal cover (3) are installed to sealing plate (2) bottom, sealing plate (2) openly are equipped with material layer (7), material layer (7) include scale prevention layer (701), anticorrosive coating (702), rubber layer (703), glue glutinous layer (704), scale prevention layer (701) bottom is equipped with anticorrosive coating (702).

2. The novel plug valve core for the shale gas fracturing pump as claimed in claim 1, wherein: seal cover (3) internally mounted has auxiliary rod (301), and buckle (302) are installed to auxiliary rod (301) bottom.

3. The novel plug valve core for the shale gas fracturing pump as claimed in claim 1, wherein: sealing plate (2) internally mounted has strengthening rib (4), and two sets of stereotype boards (401) are installed to strengthening rib (4) both sides.

4. The novel plug valve core for the shale gas fracturing pump as claimed in claim 1, wherein: two sets of connecting pieces (5) are installed to connecting block (1) both sides, and connecting piece (5) one side is installed L shape and is detained (501).

5. The novel plug valve core for the shale gas fracturing pump as claimed in claim 1, wherein: connecting block (1) top is installed bull stick (6), and carousel (601) are installed at bull stick (6) top.

6. The novel plug valve core for the shale gas fracturing pump as claimed in claim 1, wherein: the bottom of the anti-corrosion layer (702) is provided with a rubber layer (703), and the bottom of the rubber layer (703) is provided with a sticky layer (704).