CN218761712U - Connecting assembly for electric actuating mechanism and valve of oxidation fan - Google Patents
Connecting assembly for electric actuating mechanism and valve of oxidation fan Download PDFInfo
- Publication number
- CN218761712U CN218761712U CN202222841495.3U CN202222841495U CN218761712U CN 218761712 U CN218761712 U CN 218761712U CN 202222841495 U CN202222841495 U CN 202222841495U CN 218761712 U CN218761712 U CN 218761712U
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- valve
- actuating mechanism
- connecting rod
- connecting seat
- electric
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- 230000007246 mechanism Effects 0.000 title claims abstract description 53
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 37
- 230000003647 oxidation Effects 0.000 title claims abstract description 36
- 230000008878 coupling Effects 0.000 claims abstract description 5
- 238000010168 coupling process Methods 0.000 claims abstract description 5
- 238000005859 coupling reaction Methods 0.000 claims abstract description 5
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 238000007664 blowing Methods 0.000 description 7
- 230000007774 longterm Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Electrically Driven Valve-Operating Means (AREA)
Abstract
The utility model discloses a coupling assembling for oxidation fan electric actuator and valve belongs to motorised valve technical field. This coupling assembling includes: the connecting rod is connected with the output end of the electric actuating mechanism and the input end of the valve, the connecting seat is connected with the base of the electric actuating mechanism, and the floor base is connected with the connecting seat, the connecting rod extends for a preset distance from the output end of the electric actuating mechanism to the input end of the valve, so that a preset space is arranged between the output end of the electric actuating mechanism and the input end of the valve, and the floor base is connected with the ground or a workbench. The utility model discloses a connecting rod extension electric actuator's output and the connection length of the input of valve to and make the connecting rod insert and locate the connecting seat, can reduce the vibration range that transmits to the electric actuator output, cushion and cool down the high temperature oxidation wind that the valve gap leaked through making between electric actuator's the output and the input of valve at interval predetermined space.
Description
Technical Field
The utility model belongs to the technical field of the motorised valve, specifically a coupling assembling that is used for oxidation fan electric actuator and valve.
Background
An absorption tower employing a limestone-gypsum wet desulfurization process is generally equipped with an oxidation fan that provides the required air for the desulfurization oxidation reaction in the absorption tower. The three oxidation fans generally operate in a two-transportation one-standby mode, an electric outlet door (namely a butterfly valve) is arranged at the outlet of each oxidation fan, when the fans operate, an electric actuating mechanism opens the outlet door, and the outlet pipe of each oxidation fan is communicated with an oxidation air main pipe; when the fan stops running, the electric actuating mechanism closes the outlet door, and the fan is isolated from the oxidation air main pipe.
The equipment is periodically tested and rotated, and the rotation is carried out once in two weeks, so that the starting and the stopping of the fan are frequent, the valve rod of the outlet valve is directly connected with the transmission gear of the electric actuating mechanism, the vibration of a pipeline connected with the outlet valve is large, the vibration falling of internal elements of the electric actuating mechanism of the valve is easily caused, the space between the electric actuating mechanism and the valve is small, the outlet temperature of the oxidation air can reach about 120 ℃, and the high-temperature oxidation air can blow the electric actuator through the valve gap after long-term operation.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the connection structure can reduce the vibration quantity of the electric actuating mechanism, reduce the blowing quantity of high-temperature oxidation wind of the electric actuating mechanism and further prolong the service life of the electric actuating mechanism.
The technical scheme of the utility model is that: a coupling assembling that is used for oxidation fan electric actuator and valve includes: the connecting rod is connected with the output end of the electric actuating mechanism and the input end of the valve, the connecting seat is connected with the base of the electric actuating mechanism, and the floor base is connected with the connecting seat.
The connecting rod extends from the output end of the electric actuator to the input end of the valve for a preset distance, so that a preset space is formed between the output end of the electric actuator and the input end of the valve.
The floor base is connected with the ground or the workbench.
In a further embodiment, the connecting seat is disposed between the output end of the electric actuator and the input end of the valve.
The connecting rod is inserted in the connecting seat and can block wind power blowing to the electric actuating mechanism.
In a further embodiment, the connection assembly further comprises: and (5) mounting screws.
The connecting seat is provided with a through hole and a through hole matched with the base of the electric actuating mechanism.
The connecting rod passes through the through hole of the connecting seat and is connected with the output end of the electric actuating mechanism.
The mounting screw penetrates through the through hole of the connecting seat and is connected with the base of the electric actuating mechanism.
In a further embodiment, the connection seat is a plate-shaped structure, and the through hole are arranged on the same plane.
In another embodiment, the connecting seat is an L-shaped or inverted T-shaped structure, the bottom end of the connecting seat is connected with the floor base and the base of the electric actuator, and the side wall is arranged between the output end of the electric actuator and the input end of the valve.
The connecting rod is inserted in the side wall of the connecting seat.
In a further embodiment, the connection assembly further comprises: a connecting key.
One end of the connecting rod, which is close to the electric actuator, extends to form an insertion part which is coaxially matched with the connecting rod, and a key groove is formed in the side wall of the insertion part.
The connecting key is inserted into the key groove on the side wall of the insertion part.
The inserting part is inserted into the output end of the electric actuating mechanism and is in key connection with the output end.
In a further embodiment, the connection assembly further comprises: and (5) tightening the screw.
And one end of the connecting rod, which is close to the valve, is provided with an accommodating hole which is coaxially matched with the connecting rod and is used for accommodating the valve rod at the input end of the valve, and the accommodating hole is in clearance fit with the valve rod.
The connecting rod is close to the one end lateral wall of valve and sets up the screw hole of intercommunication external world and accepting hole, holding screw passes the screw hole and the valve rod butt in the accepting hole, can realize both connection distance's extension when not changing valve rod and the electric actuator of valve.
In a further embodiment, the receiving hole is in clearance fit with the valve rod at the input end of the valve.
In a further embodiment, the connecting seat is welded or screwed with the floor base.
The utility model has the advantages that: through the connection length of the output of connecting rod extension electric actuator and the input of valve to and make the connecting rod insert and locate the connecting seat, can reduce the vibration range that the valve input transmitted to the electric actuator output, be connected through making the connecting seat and the base that falls to the ground, can reduce the vibration range of electric actuator base, reduced the vibration volume that electric actuator receives, solved prior art electric actuator vibration volume that receives and leaded to life's problem greatly.
And the high-temperature oxidation wind leaked from the valve gap is buffered and cooled by a preset space between the output end of the electric actuating mechanism and the input end of the valve, so that the blowing quantity of the high-temperature oxidation wind borne by the electric actuating mechanism can be reduced, the blowing loss rate of the long-term operation high-temperature oxidation wind to the electric actuator through the valve gap is reduced, and the problem that the electric actuator is blown by the long-term operation high-temperature oxidation wind in the prior art is solved.
Drawings
Fig. 1 is an exploded schematic view of the present invention.
Fig. 2 is a schematic view of the connecting rod of the present invention.
Fig. 3 is a schematic view of the connection seat of the present invention.
The reference symbols shown in the figures are: 1. a connecting rod; 2. a connecting seat; 3. a landing base; 4. mounting screws; 5. tightening the screw; 6. an electric actuator; 7. a valve stem.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
The application discloses a connection structure capable of reducing vibration quantity borne by an electric actuating mechanism, reducing high-temperature oxidation wind blowing quantity borne by the electric actuating mechanism and further prolonging service life of the electric actuating mechanism.
As shown in fig. 1, the connecting assembly includes: connecting rod 1, connecting seat 2 and fall to ground base 3.
The connecting rod 1 is a cylindrical or prismatic metal shaft workpiece, two ends of the connecting rod are processed into structures matched with the output end of the electric actuating mechanism 6 and the input end of the valve, and the connecting rod 1 is connected with the output end of the electric actuating mechanism 6 and the input end of the valve.
The connecting seat 2 is a metal plate-shaped workpiece, a plurality of through holes are formed in the connecting seat 2 and used for being connected with a base of the electric actuating mechanism 6, the connecting seat 2 can also be directly welded with the base of the electric actuating mechanism 6, or the connecting seat 2 is clamped between the clamping plate and the base through the clamping plate, and the connecting seat 2 is connected with the base of the electric actuating mechanism 6.
The floor base 3 can be square steel or rectangular steel or a round pipe with two welded ends, the bottom end of the floor base is provided with a flange part as shown in figure 1, the flange part is provided with a through hole, the floor base 3 is connected with the connecting seat 2, and the bottom end of the floor base 3 is connected with the ground or a workbench.
The connecting rod 1 extends from the output end of the electric actuator 6 to the input end of the valve by a predetermined distance, so that a predetermined space is formed between the output end of the electric actuator 6 and the input end of the valve.
The connecting rod 1 and the connecting seat 2 can be in clearance fit or have gaps at intervals.
The working principle is as follows: its pipeline vibration of during operation at oxidation fan transmits to connecting rod 1 from the input of valve, the transmission that utilizes power is lossy makes connecting rod 1 subduct the vibration range, then the connecting piece transmits the vibration power after subducting the vibration range for electric actuator 6's output, connecting seat 2 can carry out radially spacingly to connecting rod 1 when connecting rod 1 vibrates simultaneously, through making connecting seat 2 and falling to the ground base 3 be connected, can reduce the vibration range of 6 bases of electric actuator, the vibration volume that electric actuator 6 received has been reduced.
When the high-temperature oxidation wind in the pipeline leaks from the valve gap when the oxidation fan works, the high-temperature oxidation wind is buffered and cooled by the preset space between the output end of the electric actuating mechanism 6 and the input end of the valve, so that the blowing loss rate of the electric actuator caused by the long-term operation of the high-temperature oxidation wind through the valve gap is reduced.
In a further embodiment shown in fig. 1, the connecting socket 2 is arranged between the output of the electric actuator 6 and the input of the valve.
The connecting rod 1 is inserted in the connecting seat 2.
By providing the connecting socket 2 between the output of the electric actuator 6 and the input of the valve, the wind blowing to the electric actuator 6 can be blocked.
In a further embodiment shown in fig. 1 and 3, the connection assembly further comprises: the screws 4 are mounted.
The connecting seat 2 is provided with a through hole which is matched with a base of the electric actuating mechanism 6.
The connecting rod 1 passes through the through hole of the connecting seat 2 and is connected with the output end of the electric actuator 6.
The mounting screw 4 passes through the through hole of the connecting seat 2 to be connected with the base of the electric actuator 6.
In the embodiment shown in fig. 3, four through holes are provided, equally distributed around the circumference of the through hole.
In a further embodiment shown in fig. 1, the connecting socket 2 is a plate-like structure, and the through hole are arranged in the same plane.
In another embodiment of the connecting socket 2, the connecting socket 2 is an L-shaped or inverted T-shaped structure, the bottom end of the connecting socket is connected to the floor base 3 and the base of the electric actuator 6, and the side wall is disposed between the output end of the electric actuator 6 and the input end of the valve.
The connecting rod 1 is inserted into the side wall of the connecting seat 2.
In a further embodiment shown in fig. 1 and 2, the connection assembly further comprises: a connecting key.
One end of the connecting rod 1 close to the electric actuator 6 extends to form an insertion part coaxially matched with the connecting rod 1, and a key groove is formed in the side wall of the insertion part.
The connecting key is inserted into the key groove on the side wall of the insertion part.
The insertion part is inserted into the output end of the electric actuator 6 and is connected with the key of the electric actuator.
Through the output end of the connecting rod 1 and the electric actuating mechanism 6, the output end of the electric actuating mechanism 6 is not driven to axially move when the connecting rod 1 axially moves along with the valve rod, and the damage rate of the electric actuating mechanism 6 can be further reduced by keeping the output end of the electric actuating mechanism 6 connected.
In a further embodiment shown in fig. 1 and 2, the connection assembly further comprises: the set screw 5 is tightened.
The end of the connecting rod 1 close to the valve is provided with an accommodating hole which is coaxially matched with the connecting rod 1 and is used for accommodating a valve rod 7 at the input end of the valve, and the accommodating hole is in clearance fit with the valve rod 7.
The connecting rod 1 is close to the one end lateral wall of valve and is seted up the screw hole of intercommunication external world and accepting hole, and holding screw 5 passes screw hole and the downthehole valve rod 7 butt of accepting.
In the embodiment shown in fig. 1 and 2, two threaded holes and two set screws 5 are provided.
In a further embodiment, the receiving hole is in clearance fit with the valve rod 7 at the input end of the valve, the specific clearance value is controlled to be about 40 threads, and the receiving hole can be adjusted according to the actual size of the valve rod 7.
Through set up keyway, accepting hole and screw hole on connecting rod 1, can realize the extension of both connection distances when not changing valve rod 7 and the electric actuator 6 of valve.
In a further embodiment, the connecting socket 2 is welded or screwed to the floor base 3.
Wherein the welding makes connecting seat 2 higher with the joint strength who falls to the ground base 3, and the vibration volume reduces the effect and is superior to the spiro union mode, and the spiro union can make things convenient for the change of connecting seat 2.
Examples
The outlet door of the FGD 4/oxidation fan A and the outlet door of the FGD 4/oxidation fan C in the power plant, after the split type transformation of the electric actuating mechanism 6, the output end inserted into the electric actuating mechanism 6 from the original valve rod 7 is changed into an interval space of 205mm between the output end of the electric actuating mechanism 6 and the input end of the valve, the vibration value of the electric actuating mechanism 6 is reduced to about 1mm/s from 10mm/s to 20mm/s, the running temperature of the electric actuating mechanism 6 is reduced to the ambient temperature from about 60 ℃, after the split type transformation, the fault defect of the electric actuating mechanism 6 does not occur, and the running stability of the outlet door of the oxidation fan is greatly improved.
As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A coupling assembling that is used for oxidation fan electric actuator and valve, its characterized in that includes: the valve control device comprises a connecting rod (1) connected with the output end of an electric actuating mechanism (6) and the input end of a valve, a connecting seat (2) connected with a base of the electric actuating mechanism (6), and a floor base (3) connected with the connecting seat (2);
the connecting rod (1) extends a preset distance from the output end of the electric actuating mechanism (6) to the input end of the valve, so that a preset space is formed between the output end of the electric actuating mechanism (6) and the input end of the valve;
the floor base (3) is connected with the ground or the workbench.
2. The connection component for the electric actuator and the valve of the oxidation fan as claimed in claim 1,
the connecting seat (2) is arranged between the output end of the electric actuating mechanism (6) and the input end of the valve;
the connecting rod (1) is inserted in the connecting seat (2).
3. The connection assembly for the electric actuator and the valve of the oxidation air blower according to claim 2, further comprising: a mounting screw (4);
the connecting seat (2) is provided with a through hole and a through hole matched with a base of the electric actuating mechanism (6);
the connecting rod (1) penetrates through the through hole of the connecting seat (2) to be connected with the output end of the electric actuating mechanism (6);
the mounting screw (4) penetrates through the through hole of the connecting seat (2) to be connected with the base of the electric actuating mechanism (6).
4. The connection component for the electric actuator and the valve of the oxidation fan as claimed in claim 3,
the connecting seat (2) is of a plate-shaped structure, and the through hole are arranged on the same plane.
5. The connecting assembly for the electric actuator and the valve of the oxidation fan is characterized in that the connecting seat (2) is of an L-shaped or inverted T-shaped structure, the bottom end of the connecting seat is connected with the floor base (3) and the base of the electric actuator (6), and the side wall of the connecting seat is arranged between the output end of the electric actuator (6) and the input end of the valve;
the connecting rod (1) is inserted into the side wall of the connecting seat (2).
6. The connection assembly for the electric actuator and the valve of the oxidation air blower according to claim 1, further comprising: a connecting bond;
an inserting part coaxially matched with the connecting rod (1) extends from one end, close to the electric actuating mechanism (6), of the connecting rod (1), and a key groove is formed in the side wall of the inserting part;
the connecting key is inserted into the key groove on the side wall of the insertion part;
the inserting part is inserted into the output end of the electric actuating mechanism (6) and is in key connection with the output end.
7. The connection assembly for the electric actuator and the valve of the oxidation air blower according to claim 1, further comprising: a set screw (5);
one end of the connecting rod (1) close to the valve is provided with an accommodating hole which is coaxially matched with the connecting rod (1) and is used for accommodating a valve rod (7) at the input end of the valve, and the accommodating hole is in clearance fit with the valve rod (7);
the side wall of one end, close to the valve, of the connecting rod (1) is provided with a threaded hole for communicating the outside with the accommodating hole, and the set screw (5) penetrates through the threaded hole to abut against the valve rod (7) in the accommodating hole.
8. A connection assembly according to claim 7, characterised in that the housing hole is a clearance fit with the valve stem (7) at the input end of the valve.
9. The connection assembly for the electric actuator and the valve of the oxidation fan according to claim 1, characterized in that the connection seat (2) is welded or screwed to the floor base (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222841495.3U CN218761712U (en) | 2022-10-27 | 2022-10-27 | Connecting assembly for electric actuating mechanism and valve of oxidation fan |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222841495.3U CN218761712U (en) | 2022-10-27 | 2022-10-27 | Connecting assembly for electric actuating mechanism and valve of oxidation fan |
Publications (1)
Publication Number | Publication Date |
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CN218761712U true CN218761712U (en) | 2023-03-28 |
Family
ID=85702746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202222841495.3U Active CN218761712U (en) | 2022-10-27 | 2022-10-27 | Connecting assembly for electric actuating mechanism and valve of oxidation fan |
Country Status (1)
Country | Link |
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CN (1) | CN218761712U (en) |
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2022
- 2022-10-27 CN CN202222841495.3U patent/CN218761712U/en active Active
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