CN214197313U

CN214197313U - Eccentric soft sealing butterfly valve for power plant

Info

Publication number: CN214197313U
Application number: CN202120180738.6U
Authority: CN
Inventors: 余新雷
Original assignee: Zhejiang Zhongguan Valve Manufacturing Co ltd
Current assignee: Zhejiang Zhongguan Valve Manufacturing Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-09-14
Anticipated expiration: 2031-01-22

Abstract

The utility model discloses an eccentric soft seal butterfly valve for power plant relates to eccentric soft seal butterfly valve control technical field, through set up the auxiliary bearing in the quick-witted case, set up the dwang on the auxiliary bearing, set up a gear through the dwang, a gear is connected with setting up No. two gear engagement, No. two gear connection the gangbar is being fixed on the boss by the base bearing, the fixed station of setting supports for the gangbar of its installation, be provided with the connecting rod on the gangbar, set up the hand wheel on the connecting rod, a manual control mechanism has been installed additional to this setting under the prerequisite of executor control, when the executor trouble, through rotating the hand wheel, make the device close or open the use, avoid increasing because of the loss that the instrument trouble caused, install manual device additional, further ensure the safe in utilization of device.

Description

Eccentric soft sealing butterfly valve for power plant

Technical Field

The utility model relates to a control technical field of eccentric soft sealing butterfly valve specifically is an eccentric soft sealing butterfly valve for power plant.

Background

The eccentric soft sealing butterfly valve is a valve whose valve plate can be rotated around fixed shaft perpendicular to channel, belonging to the field of rotary high-performance regulating or switching valve, and can receive the input of current signal or voltage signal from industrial automatic control instrument, and can implement proportional regulation or two-position switch control of fluid medium in the process pipeline so as to attain the automatic control of parameters of flow rate, pressure, temp. and liquid level of fluid medium.

Along with the development of science and technology eccentric soft seal butterfly valve sets gradually to full automatic control, has set up mostly and has cancelled manual control, but uses for a long time the back electronic component easily to receive the damage, makes the instrument trouble, and the butterfly valve can't be controlled, can't carry out fluidic release or close to the equipment of connecting to cause the equipment of connecting to damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an eccentric soft sealing butterfly valve for power plant to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an eccentric soft sealing butterfly valve for a power plant comprises a case and an auxiliary bearing, wherein the case is internally provided with the auxiliary bearing, the auxiliary bearing is connected with a valve rod, the auxiliary bearing is provided with a rotating rod, the top of the rotating rod is provided with a jack, the joint of the rotating rod and the auxiliary bearing is provided with a first gear, the case before the first gear corresponds to the position is provided with a boss, the boss is provided with a main bearing, the main bearing is provided with a linkage rod, the front of the linkage rod is provided with a connecting rod, the connecting rod is provided with a manual wheel, a second gear is arranged behind the linkage rod, a fixed table is arranged between the linkage rod and the second gear, the second gear is meshed with the first gear and is connected with the first gear, the device is additionally provided with a manual control mechanism under the basis of actuator control, the device is controlled by an actuator when in normal use, and the rotating rod is also rotated through the manual wheel when in failure, the valve rod can rotate, so that the device can be manually opened or closed, the arrangement avoids the increase of loss caused by the failure of the device, and the use safety of the device is further ensured through the intervention of manual control.

As a further aspect of the present invention: the quick-witted case is provided with the executor, the executor is by big bolt fixed connection, be provided with the fixed plate in the executor, the fixed plate is fixed in the executor by little bolt, be provided with spacing seat on the fixed plate, be provided with the motor on the spacing seat, the jack connection on motor output and the dwang, this setting makes the device when normal use, sets up automatic control device operation by the executor, reduces personnel's intensity of labour.

As a further aspect of the present invention: the valve position detection device is characterized in that a wire box is arranged on the actuator, a connecting hole is formed in the wire box, a valve position indicating device is arranged on the actuator and is connected with the actuator through the wire box, and the valve position of the device can be conveniently detected through the valve position indicating device.

As a further aspect of the present invention: one side the executor is provided with the fixed orifices seat, makes things convenient for the fixed of executor through the fixed orifices seat.

As a further aspect of the present invention: the valve plate on the valve rod in the device is arranged into the metal plate and the plastic plate, so that the service life of the valve plate is prolonged.

As a further aspect of the present invention: a rear through hole is formed in one side of the case, a front through hole is formed in the other side of the case, and connectors are arranged on the front through hole and the rear through hole and are convenient to connect with other equipment.

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

1. the utility model discloses in, through setting up the auxiliary bearing in the quick-witted case, through bearing installation axis of rotation after, will drive the valve rod of connecting and rotate under the rotation of a gear, during the electronic control instrument trouble, rotate No. two gears and gear engagement through manual wheel and rotate, just can carry out manual opening or closing with the device, through the additional installation of manual control mechanism, when avoiding the device trouble, the loss that brings when only executor control increases, further ensures the safety of device through manual doing in advance.

Drawings

FIG. 1 is a first schematic structural view of an eccentric soft seal butterfly valve for a power plant of the present invention;

FIG. 2 is a schematic structural diagram II of an eccentric soft seal butterfly valve for a power plant according to the present invention;

FIG. 3 is a third schematic structural view of the eccentric soft seal butterfly valve for a power plant of the present invention;

fig. 4 is the utility model relates to a power plant is with connection schematic diagram of eccentric soft seal butterfly valve midline box.

In the figure: 1. an actuator; 2. a wire box; 3. a valve position indicating device; 4. a large bolt; 5. a chassis; 6. a boss; 7. a rear through hole; 8. a connecting port; 9. a front through hole; 10. a connecting rod; 11. a main bearing; 12. a hand-operated wheel; 13. a secondary bearing; 14. A linkage rod; 15. a first gear; 16. a limiting seat; 17. a motor; 18. a small bolt; 19. a fixing plate; 20. a jack; 21. rotating the rod; 22. a second gear; 23. a fixed table; 24. a valve stem; 25. a metal plate; 26. a plastic panel; 27. connecting holes; 28. a fixed hole seat;

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 to 4, in an embodiment of the present invention, an eccentric soft seal butterfly valve for a power plant includes a housing 5 and an auxiliary bearing 13, the housing 5 is provided with the auxiliary bearing 13, a valve rod 24 is connected below the auxiliary bearing 13, the auxiliary bearing 13 is provided with a rotating rod 21, a jack 20 is disposed at the top of the rotating rod 21, a first gear 15 is disposed at the connection position of the rotating rod 21 and the auxiliary bearing 13, a boss 6 is disposed on the housing 5 before the first gear 15 corresponds to the position, a main bearing 11 is disposed on the boss 6, a linkage rod 14 is disposed on the main bearing 11, a connection rod 10 is disposed in front of the linkage rod 14, a manual wheel 12 is disposed on the connection rod 10, a second gear 22 is disposed behind the linkage rod 14, a fixing platform 23 is disposed between the linkage rod 14 and the second gear 22, the second gear 22 is engaged with the first gear 15, by installing a manual control mechanism, when an instrument fails, by rotating the manual wheel 12, the arrangement of rotating the valve stem 24 to close or open the device, under manual control, further ensures the safety of the device and avoids increased losses.

The mechanical box 5 is provided with an actuator 1, the actuator 1 is fixedly connected with a large bolt 4, a fixing plate 19 is arranged in the actuator 1, the fixing plate 19 is fixed in the actuator 1 through a small bolt 18, a limiting seat 16 is arranged on the fixing plate 19, a motor 17 is arranged on the limiting seat 16, the output end of the motor 17 is connected with a jack 20 on a rotating rod 21, and when the device is arranged through the actuator 1, the device is automatically controlled by the actuator 1, manual control of personnel is not needed, and labor intensity of the personnel is reduced.

Be provided with line case 2 on the executor 1, be provided with connecting hole 27 on the line case 2, be provided with valve position indicating device 3 on the executor 1, be connected with executor 1 through line case 2, the detection of the valve position of being convenient for through valve position indicating device 3, the normal use of the device of being convenient for, one side executor 1 is provided with fixed orifices seat 28, make things convenient for the fixed mounting of executor 1 through fixed orifices seat 28, valve rod 24 one side is provided with metal sheet 25, be provided with plastic slab 26 on the valve rod 24 opposite side, increase the life of valve plate, rear through-hole 7 is set up to quick-witted case 5 one side, quick-witted case 5 opposite side is provided with preceding through-hole 9, all be provided with connector 8 on preceding through-hole 9 and the rear through-hole 7, be convenient for be connected fixedly with other devices.

The utility model discloses a theory of operation is: through the installation of the auxiliary bearing 13 in the machine case 5, set up the dwang 21, be provided with No. one gear 15 on the dwang 21, when being connected with No. two gear 22 meshing that set up, just can drive the valve rod 24 that sets up under the dwang 21 through the dwang 21 under the drive of manual wheel 12, this setting is when the device trouble, through manual control mechanism, make the device open or close, when avoiding the device of executor 1 control only, the loss that causes increases, this setting has ensured the safety in utilization of device.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an eccentric soft seal butterfly valve for power plant, includes quick-witted case (5) and auxiliary bearing (13), its characterized in that: an auxiliary bearing (13) is arranged in the case (5), a valve rod (24) is connected below the auxiliary bearing (13), a rotating rod (21) is arranged on the auxiliary bearing (13), an insertion hole (20) is arranged at the top of the rotating rod (21), a first gear (15) is arranged at the joint of the rotating rod (21) and the auxiliary bearing (13), a boss (6) is arranged on the case (5) in front of the corresponding position of the first gear (15), a main bearing (11) is arranged on the boss (6), a linkage rod (14) is arranged on the main bearing (11), a connecting rod (10) is arranged in front of the linkage rod (14), a manual wheel (12) is arranged on the connecting rod (10), a second gear (22) is arranged behind the linkage rod (14), a fixing table (23) is arranged between the linkage rod (14) and the second gear (22), and the second gear (22) is meshed with the first gear (15).

2. The eccentric soft seal butterfly valve for power plant of claim 1, characterized in that: the novel multifunctional electric actuator is characterized in that the case (5) is provided with an actuator (1), the actuator (1) is fixedly connected with a large bolt (4), a fixing plate (19) is arranged in the actuator (1), the fixing plate (19) is fixed in the actuator (1) through a small bolt (18), a limiting seat (16) is arranged on the fixing plate (19), a motor (17) is arranged on the limiting seat (16), and the output end of the motor (17) is connected with a jack (20) on the rotating rod (21).

3. The eccentric soft seal butterfly valve for power plant of claim 2, characterized in that: the wire box (2) is arranged on the actuator (1), a connecting hole (27) is formed in the wire box (2), and the valve position indicating device (3) is arranged on the actuator (1).

4. The eccentric soft seal butterfly valve for power plant of claim 2, characterized in that: and the actuator (1) at one side is provided with a fixed hole seat (28).

5. The eccentric soft seal butterfly valve for power plant of claim 1, characterized in that: a metal plate (25) is arranged on one side of the valve rod (24), and a plastic plate (26) is arranged on the other side of the valve rod (24).

6. The eccentric soft seal butterfly valve for power plant of claim 1, characterized in that: a rear through hole (7) is formed in one side of the case (5), a front through hole (9) is formed in the other side of the case (5), and connectors (8) are arranged on the front through hole (9) and the rear through hole (7).