CN212959879U

CN212959879U - Power station stop valve

Info

Publication number: CN212959879U
Application number: CN202020961256.XU
Authority: CN
Inventors: 璧垫亥; 赵溥
Original assignee: Tianjin Jintong Valve Manufacturing Co ltd
Current assignee: Tianjin Jintong Valve Manufacturing Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-04-13
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses a power station stop valve, including upper portion control part dress, the lower extreme of upper portion control part dress is according to installing lower part circulation portion dress, lower part circulation portion dress passes through the screw connection with upper portion control part dress, the inlet pipe is installed to one side of lower part circulation portion dress lower extreme, the inlet pipe is installed as integrated into one piece structure with lower part circulation portion, row's material pipe is installed to the opposite side of lower part circulation portion dress lower extreme. This power station stop valve directly drives the rotation that the motor can pass through transmission solenoid control lifting lead screw through installation DD to control end cap up-and-down motion, realize opening and shutting of device, and controlling means opens and shuts conveniently, and easy operation, installation upper portion seal platform can prevent that the device from spilling over from the device gap under the state that opens and shuts, further increase the leakproofness of device, improve the practicality, installation lower part seal platform can make the device under the closed condition, the laminating is inseparabler, prevent that the material from spilling over from the gap because of high pressure, increase the result of use of device.

Description

Power station stop valve

Technical Field

The utility model relates to a stop valve technical field specifically is power station stop valve.

Background

The stop valve of the power station is suitable for pipelines of various systems of a fire power station to cut off or connect pipeline media. Suitable media are: non-corrosive media such as water, steam, and the like. Compared with other valve products, the power station valve has the characteristics of high temperature and high pressure, unique self-sealing design, and higher pressure and more reliable sealing. Due to the special performance and technical characteristics and working conditions, the product also has the characteristic that other products cannot be replaced.

The existing power station stop valve is inconvenient to open and close, the operation is complex, and the use effect of the device is influenced because the plug can be jacked open by the material inside the stop valve due to high pressure when the stop valve is used.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power station stop valve to it is inconvenient to provide the power station stop valve and open and shut in solving above-mentioned background art, operates comparatively loaded down with trivial details, and its inside material can be opened the end cap top because of the high pressure when using, influences the problem of device's result of use.

In order to achieve the above object, the utility model provides a following technical scheme: a stop valve of a power station comprises an upper control part device, wherein a lower circulation part device is installed at the lower end of the upper control part device, the lower circulation part device is connected with the upper control part device through screws, a feed pipe is installed at one side of the lower end of the lower circulation part device, the feed pipe and the lower circulation part device are installed into an integrally formed structure, a discharge pipe is installed at the other side of the lower end of the lower circulation part device, the discharge pipe and the lower circulation part device are installed into an integrally formed structure, a DD direct-drive motor is installed inside the upper end of the upper control part device, the DD direct-drive motor is connected with the upper control part device through screws, a lifting lead screw is installed inside the DD direct-drive motor, a transmission solenoid is installed between the lifting lead screw and the DD direct-drive motor, the transmission solenoid is connected with the DD direct-drive motor through an expansion sleeve, and, the lifting lead screw passes through the lead screw bearing with lower part circulation portion dress and is connected, sealed laminating layer is installed to the inside upper end of lower part circulation portion dress, sealed laminating layer passes through the draw-in groove with lower part circulation portion dress and is connected, the end cap is installed to the lower extreme of lifting lead screw, end cap and lifting lead screw welded connection, the upper portion seal platform is installed to the upper end of end cap, the upper portion seal platform sets up to the integrated into one piece structure with the end cap, sealed seat circle is installed to the inside lower extreme of lower part circulation portion dress, sealed seat circle and lower part circulation portion dress welded connection, the lower part seal platform is installed to the inside lower extreme of lower part circulation portion dress, the lower part seal platform is installed with lower part circulation portion and is the integrated into one piece structure, the inside of upper portion control portion dress is provided with the packing, upper.

Preferably, the upper end of the upper control part is provided with a waterproof cover plate, and the waterproof cover plate is connected with the upper control part through a screw.

Preferably, a screw rod waterproof box is installed at the upper end of the waterproof cover plate and is connected with the waterproof cover plate through screws.

Preferably, a supporting and protecting handle is installed outside the upper control part, and the supporting and protecting handle is connected with the upper control part in a welding mode.

Preferably, the upper end of one side of the upper control part is provided with a waterproof joint, and the waterproof joint is connected with the upper control part through threads.

Preferably, waterproof boss is installed to the lower extreme of waterproof apron, waterproof boss sets up to the integrated into one piece structure with waterproof apron.

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

1. the power station stop valve has the advantages that the DD direct drive motor is installed to control the lifting screw rod to rotate through the transmission screw tube, so that the plug is controlled to move up and down, the opening and closing of the device are realized, the control device is convenient to open and close, the operation is simple, the plug cannot be pushed open by materials in the DD direct drive motor when the DD direct drive motor is used, the use effect of the device is influenced, the usability of the device is improved, the sealing laminating layer is arranged to enable the device to be in an opening and closing state, the plug is laminated with the sealing laminating layer to prevent the materials from overflowing from the upper end of the device, the sealing performance of the device is improved, the upper sealing table is installed to prevent the materials from overflowing from gaps of the device in the opening and closing state, the practicability of the device is improved, the lower sealing table is installed to enable the device to be in a closing state, the materials are prevented, the packing is arranged, so that the interior of the device can be sealed, the influence on the DD direct drive motor caused by the fact that materials enter the upper end of the device is effectively prevented, the burning of the DD direct drive motor is avoided, and the service life of the device is prolonged;

2. this power station stop valve can prevent through the waterproof case of installation lead screw that the rainwater corrodes the lifting lead screw, makes it rust, influences the smoothness nature of operation in its device, guarantees the functional complete of device, and the waterproof boss of installation can prevent that the rainwater from transversely getting into inside the device, improves the waterproof nature of device, increases the life of device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a side view of the present invention;

fig. 4 is an enlarged view of a portion a of fig. 1.

In the figure: 1. an upper control part; 2. the lower part is provided with a circulating part; 3. supporting the protective handle; 4. a waterproof joint; 5. a waterproof cover plate; 6. a DD direct drive motor; 7. a waterproof boss; 8. lifting the screw rod; 9. a waterproof box of the screw rod; 10. packing; 11. sealing the laminating layer; 12. a feed pipe; 13. a discharge pipe; 14. a plug; 15. an upper sealing table; 16. a lower sealing table; 17. and sealing the seat ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a power station stop valve comprises an upper control part assembly 1, a lower circulation part assembly 2, a supporting and protecting handle 3, a waterproof joint 4, a waterproof cover plate 5, a DD direct drive motor 6, a waterproof boss 7, a lifting screw rod 8, a screw rod waterproof box 9, a packing 10, a sealing joint layer 11, a feeding pipe 12, a discharging pipe 13, a plug 14, an upper sealing table 15, a lower sealing table 16 and a sealing seat ring 17, wherein the lower end of the upper control part assembly 1 is provided with a lower circulation part assembly 2, the lower circulation part assembly 2 is connected with the upper control part assembly 1 through screws, one side of the lower end of the lower circulation part assembly 2 is provided with the feeding pipe 12, the feeding pipe 12 and the lower circulation part assembly 2 are arranged into an integrally formed structure, the other side of the lower end of the lower circulation part assembly 2 is provided with the discharging pipe 13, the discharging pipe 13 and the lower circulation part assembly 2 are arranged into an integrally formed, the DD direct drive motor 6 is arranged to control the rotation of the lifting screw rod 8 through the transmission screw tube, so as to control the up-and-down movement of the plug 14, realize the opening and closing of the device, the control device is convenient to open and close, the operation is simple, the plug 14 cannot be pushed open by the internal materials in the DD direct drive motor 6 when in use, the use effect of the device is influenced, the usability of the device is increased, the DD direct drive motor 6 is connected with the upper control part assembly 1 through screws, the model of the DD direct drive motor 6 is set to be AKD-0240X type, the lifting screw rod 8 is arranged in the DD direct drive motor 6, the transmission screw tube is arranged between the lifting screw rod 8 and the DD direct drive motor 6, the transmission screw tube is connected with the DD direct drive motor 6 through an expansion sleeve, the lower end of the lifting screw rod 8 is embedded into the lower circulation part assembly 2, the lifting screw rod 8 is connected with the lower, the sealing adhesive layer 11 is arranged to enable the device to be in an open-close state, the plug 14 is adhered to the sealing adhesive layer 11 to prevent materials from overflowing from the upper end of the device, the sealing performance of the device is improved, the sealing adhesive layer 11 is connected with the lower circulation part 2 through a clamping groove, the plug 14 is arranged at the lower end of the lifting screw rod 8, the plug 14 is welded with the lifting screw rod 8, the upper end of the plug 14 is provided with an upper sealing platform 15, the upper sealing platform 15 is arranged to prevent the materials from overflowing from gaps of the device in the open-close state of the device, the sealing performance of the device is further improved, the practicability of the device is improved, the upper sealing platform 15 and the plug 14 are arranged into an integrated structure, the lower end inside the lower circulation part 2 is provided with a sealing seat ring 17, the sealing seat ring 17 is welded with the lower circulation part 2, the lower end inside the lower circulation part 2 is provided with a lower sealing platform 16, the laminating is inseparabler, prevent that the material from spilling over from the gap because of the high pressure, increase the result of use of device, lower part seal platform 16 sets up to the integrated into one piece structure with lower circulation portion dress 2, the inside of upper portion control portion dress 1 is provided with packing 10, packing 10 and 1 fixed connection of upper portion control portion dress, it can be with device internal seal to set up packing 10, effectively prevent material admission apparatus upper end, directly drive motor 6 to the DD and cause the influence, avoid it to burn out, increase the life of device.

Furthermore, a waterproof cover plate 5 is installed at the upper end of the upper control part assembly 1, the waterproof cover plate 5 is connected with the upper control part assembly 1 through screws, and the waterproof cover plate 5 is installed to prevent water from permeating into the device from the upper end of the device to corrode the DD direct drive motor 6, so that the waterproof performance of the device is improved, and the usability of the device is improved.

Further, the waterproof case of lead screw 9 is installed to the upper end of waterproof apron 5, and the waterproof case of lead screw 9 passes through the screw connection with waterproof apron 5, and the waterproof case of installation lead screw 9 can prevent that the rainwater from corroding lifting lead screw 8, makes it rust, influences the smoothness nature of operation in its device, guarantees the functional complete of device.

Furthermore, the supporting and protecting handle 3 is arranged outside the upper control part assembly 1, the supporting and protecting handle 3 is connected with the upper control part assembly 1 in a welding mode, the supporting and protecting handle 3 is installed, the strength of the device can be improved, the impact resistance of the device is improved, and the service life of the device is prolonged.

Further, waterproof joint 4 is installed to the upper end of 1 one side of upper portion control part dress, and waterproof joint 4 passes through threaded connection with 1 of upper portion control part dress, and installation waterproof joint 4 can prevent that the rainwater from causing the influence to its device along inside the cable entering device, increases the result of use of device.

Further, waterproof boss 7 is installed to the lower extreme of waterproof apron 5, and waterproof boss 7 sets up to the integrated into one piece structure with waterproof apron 5, and inside the waterproof boss 7 of installation can prevent that the rainwater from transversely getting into the device, the waterproof nature of improvement device increased the life of device.

An upper control part 1, a lower circulation part 2, a support protection handle 3, a waterproof joint 4, a waterproof cover plate 5, a DD direct drive motor 6, a waterproof boss 7, a lifting screw rod 8, a screw rod waterproof box 9, a packing 10, a sealing joint layer 11, a feeding pipe 12, a discharging pipe 13, a plug 14, an upper sealing platform 15, a lower sealing platform 16 and a sealing seat ring 17

The working principle is as follows: firstly, a worker installs the device at a required place, then the worker connects the DD direct drive motor 6 with the control PLC, when the worker needs to open the device, the worker only needs to control the PLC to start the DD direct drive motor 6 to enable the DD direct drive motor 6 to drive the lifting screw rod 8 to rotate so as to enable the lifting screw rod 8 to move upwards and to drive the plug 14 to move upwards until the plug 14 is attached to the sealing attachment layer 11, the upper sealing table 15 at the upper end of the plug 14 is clamped into the sealing attachment layer 11, the worker needs to close the device only needs to control the PLC to start the DD direct drive motor 6 to enable the DD direct drive motor 6 to drive the lifting screw rod 8 to rotate so as to enable the plug 14 to move downwards and enable the lower sealing table 16 to be clamped into the plug 14, the device is provided with the DD direct drive motor 6 which can control the rotation of the lifting screw rod 8 through a transmission screw pipe so as to control, the device is opened and closed, the control device is convenient to open and close, the operation is simple, the inner materials in the device can not push the plug 14 open when the device is used, the use effect of the device is influenced, the usability of the device is improved, the device can be in an open and close state by arranging the sealing laminating layer 11, the plug 14 is laminated with the sealing laminating layer 11, the materials are prevented from overflowing from the upper end of the device, the sealing property of the device is improved, the upper sealing table 15 can be arranged to prevent the materials from overflowing from the gap of the device in the open and close state of the device, the sealing property of the device is further improved, the practicability of the device is improved, the lower sealing table 16 can be arranged to ensure that the device is more tightly laminated in a close state, the materials are prevented from overflowing from the gap due to high pressure, the use effect of the device is improved, the packing 10 is arranged to seal the inside of the device, avoid it to burn out, increase the life of device, installation lead screw waterproof box 9 can prevent that the rainwater from corroding lifting lead screw 8, makes it rust, influences the smoothness nature of operation in its device, guarantees the functional complete of device, and inside installation waterproof boss 7 can prevent that the rainwater from transversely getting into the device, the waterproof nature of improvement device increases the life of device.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. Power station stop valve, including upper portion control part dress (1), its characterized in that: the lower extreme of upper portion control part dress (1) is according to installing lower part circulation dress (2), lower part circulation dress (2) passes through the screw connection with upper portion control part dress (1), inlet pipe (12) are installed to one side of lower part circulation dress (2) lower extreme, inlet pipe (12) set up to the integrated into one piece structure with lower part circulation dress (2), row material pipe (13) are installed to the opposite side of lower part circulation dress (2) lower extreme, it sets up to the integrated into one piece structure to arrange material pipe (13) and lower part circulation dress (2), the internally mounted DD of upper portion control part dress (1) upper end directly drives motor (6), DD directly drives motor (6) and upper portion control part dress (1) and passes through the screw connection, the internally mounted of DD directly driving motor (6) has lifting lead screw (8), install the transmission solenoid between lifting lead screw (8) and the DD motor (6), the transmission solenoid is connected with a DD direct drive motor (6) through an expansion sleeve, the lower end of a lifting lead screw (8) is embedded into the lower circulation part (2), the lifting lead screw (8) is connected with the lower circulation part (2) through a lead screw bearing, a sealing laminating layer (11) is installed at the upper end of the inner part of the lower circulation part (2), the sealing laminating layer (11) is connected with the lower circulation part (2) through a clamping groove, a plug (14) is installed at the lower end of the lifting lead screw (8), the plug (14) is welded with the lifting lead screw (8), an upper sealing table (15) is installed at the upper end of the plug (14), the upper sealing table (15) and the plug (14) are arranged into an integrally formed structure, a sealing seat ring (17) is installed at the lower end of the inner part of the lower circulation part (2), and the sealing seat ring (17) is welded with the lower circulation part (2), the lower part circulation portion dress (2) inside lower extreme is installed lower part seal platform (16), lower part seal platform (16) sets up to the integrated into one piece structure with lower part circulation portion dress (2), the inside of upper portion control portion dress (1) is provided with packing (10), packing (10) and upper portion control portion dress (1) fixed connection.

2. The power station shut-off valve of claim 1, characterized in that: waterproof cover plate (5) is installed to the upper end of upper portion control part dress (1), waterproof cover plate (5) pass through the screw connection with upper portion control part dress (1).

3. The power station shut-off valve of claim 2, characterized in that: the waterproof box of lead screw (9) is installed to the upper end of waterproof apron (5), waterproof box of lead screw (9) pass through the screw connection with waterproof apron (5).

4. The power station shut-off valve of claim 1, characterized in that: the outside of upper portion control part dress (1) is installed and is supported and protect handle (3), support and protect handle (3) and upper portion control part dress (1) welded connection.

5. The power station shut-off valve of claim 1, characterized in that: waterproof joint (4) are installed to the upper end of upper portion control part dress (1) one side, waterproof joint (4) pass through threaded connection with upper portion control part dress (1).

6. The power station shut-off valve of claim 2, characterized in that: waterproof boss (7) are installed to the lower extreme of waterproof apron (5), waterproof boss (7) set up to the integrated into one piece structure with waterproof apron (5).