CN210716260U - Online maintenance tool for emergency cut-off valve actuating mechanism - Google Patents
Online maintenance tool for emergency cut-off valve actuating mechanism Download PDFInfo
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- CN210716260U CN210716260U CN201921598247.2U CN201921598247U CN210716260U CN 210716260 U CN210716260 U CN 210716260U CN 201921598247 U CN201921598247 U CN 201921598247U CN 210716260 U CN210716260 U CN 210716260U
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- actuating mechanism
- limiting plate
- limiting
- emergency cut
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Abstract
The utility model relates to an emergency cut-off valve maintenance technical field, especially an emergency cut-off valve actuating mechanism maintains frock on line, including spacing part, spacing part be used for with valve body fixed connection, be provided with the locating hole on the spacing part, the locating hole is used for the connecting part looks adaptation with the valve rod, spacing part can restrict connecting portion rotate around the axis of rotation of valve rod. This application an online maintenance frock of quick emergency valve actuating mechanism utilize locating hole restriction stop part, and then the restriction valve rod rotates around the axis of rotation of self to when realizing the stop part maintenance, the valve rod can not rotate, the case can not move under the atmospheric pressure promotion through quick emergency valve, makes the case not influence the normal operating of pipeline, can change actuating mechanism safely effectively, reduces safe risk.
Description
Technical Field
The utility model relates to an emergency cut-off valve maintenance technical field, especially an emergency cut-off valve actuating mechanism maintains frock on line.
Background
In the process of gas field exploitation, critical automatic control valves for station entrance and exit adopt emergency shut-off valves.
As shown in fig. 1, the emergency cut-off valve mainly comprises an execution mechanism 5, a valve body 4 and a plurality of valve cores, wherein the valve cores are connected with a valve rod 3, one end, far away from the valve cores, of the valve rod 3 extends out of the valve body 4 and is connected with the execution mechanism 5, the execution mechanism 5 is further connected with the valve body 4 through a bolt, specifically, the execution mechanism 5 controls the valve cores by controlling the valve rod 3 to enable the valve rod 3 to rotate around a self rotating shaft 32, and therefore the purpose of closing or opening the emergency cut-off valve is achieved.
The part of the valve rod 3 extending out of the valve body 4 is provided with a connecting part 31 for connecting with the actuating mechanism 5, and the actuating mechanism 5 controls the valve rod 3 to rotate the valve rod 3 around a self rotating shaft 32, so that the connecting part 31 is often designed into a cylinder with a polygonal cross section for convenient control.
However, when the actuator 5 fails, the actuator 5 often needs to be disassembled and then maintained, at this time, the valve rod 3 is separated from the actuator 5 and is not limited, the valve core is pushed by the air pressure of the emergency cut-off valve, slow free action can be performed, and after a period of time, normal operation of the pipeline can be affected.
In order to solve the above problems, the field personnel often adopt two ways to maintain and replace the actuating mechanism:
the method 1 is characterized in that a well shut-in contract is utilized to close the valve to replace the actuating mechanism 5, but the well shut-in time is variable, the maintenance time is long, the timeliness of fault treatment cannot be guaranteed, and potential safety hazards exist;
in the mode 2, the valve is closed after the well is directly closed to replace the actuating mechanism 5, but the mode has large yield loss, the fault processing is greatly influenced by objective factors, and large potential safety hazards are caused to the stable operation and safe production of the whole gas field.
Therefore, based on the above, there is a need at present for a service tool to replace the actuator without affecting the normal operation of the pipeline.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: aiming at the problem that the executing mechanism in the prior art has a fault, if the executing mechanism is directly replaced, the normal operation of a pipeline is influenced; the well shut-in contract machine is used for replacement, so that the timeliness cannot be guaranteed, and potential safety hazards exist; the problems of direct well shut-in replacement, large yield loss and high potential safety hazard are solved, and the online maintenance tool for the emergency cut-off valve actuating mechanism is provided, so that the actuating mechanism is safely and effectively replaced without affecting the normal operation of a pipeline, and the safety risk is reduced.
In order to realize the purpose, the utility model discloses a technical scheme be:
the utility model provides an online maintenance frock of quick emergency valve actuating mechanism, includes spacing part, spacing part be used for with valve body fixed connection, be provided with the locating hole on the spacing part, the locating hole be used for with the connecting part looks adaptation of valve rod, spacing part can restrict connecting portion rotate around the axis of rotation of valve rod.
This application an online maintenance frock of emergency cut-off valve actuating mechanism, when actuating mechanism breaks down, can dismantle actuating mechanism, afterwards, rapidly with spacing part and valve rod fixed connection, locating hole and the connecting part looks adaptation of valve rod on the spacing part, utilize the locating hole to restrict spacing part, and then restrict the valve rod and rotate around the axis of rotation of self, thereby when realizing the maintenance of spacing part, the valve rod can not rotate, the case promotes under the atmospheric pressure through emergency cut-off valve, can not move, make the case not influence the normal operating of pipeline, can change actuating mechanism safely effectively, safety risk is reduced.
Preferably, the limiting part comprises a limiting plate and at least one limiting rod, the limiting rod is connected with the limiting plate, the limiting rod is fixedly connected with the valve body, the limiting rod is used for limiting the limiting plate to rotate around the rotating shaft of the valve rod, and the positioning hole is formed in the limiting plate.
Preferably, the limiting plate and the limiting rod are detachably connected.
Preferably, the limiting plate is provided with a connecting hole, and the connecting hole is matched with the limiting rod.
Preferably, still include the laborsaving pole, the side of limiting plate is provided with at least one support hole, support the hole axis with the locating hole axis is mutually perpendicular, support the hole with laborsaving pole looks adaptation.
In the actuating mechanism maintenance process, the case promotes down at the atmospheric pressure through the quick action emergency valve, pivoted torsional force can exist, and transmit the valve rod with the form of moment of torsion, and then transmit for the limiting plate, at this moment, the limiting plate can lean on one side of tight gag lever post, make the limiting plate hardly take off from the gag lever post, if take out by force, still can cause the gag lever post to damage, and simultaneously, manual counter-rotation limiting plate is very hard, the event sets up the brace eye in the side of limiting plate, and be equipped with and brace eye matched with laborsaving pole, utilize under the same moment, the distance is longer more, the less principle of power, can take off the limiting plate from the gag lever post very laborsavingly.
Preferably, the number of the limiting rods is four, all the limiting rods are distributed on the same circumference of the outer side of the connecting part, and all the limiting rods are parallel to each other.
Preferably, the stop lever is vertically arranged.
Preferably, the limiting rod is a bolt.
Preferably, the limiting plate is a structural member made of a hard alloy material.
The wear-resistant limiting plate is made of hard alloy materials, has the wear-resistant characteristic, and can prolong the service life of the limiting plate.
Preferably, a chamfer is arranged between two adjacent surfaces on the limiting plate.
Be provided with the chamfer between two adjacent faces, avoid being by the closed angle fish tail when artifical transport limiting plate.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model provides an online maintenance frock of quick emergency valve actuating mechanism utilizes the locating hole to restrict spacing part, and then restricts the valve rod and rotates around the axis of rotation of self to when realizing the spacing part maintenance, the valve rod can not rotate, and the case can not move under the atmospheric pressure promotion through quick emergency valve, makes the case not influence the normal operating of pipeline, can change actuating mechanism safely effectively, reduces safe risk.
2. The utility model provides an online maintenance frock of quick emergency valve actuating mechanism sets up the brace hole in the side of limiting plate to be equipped with brace hole matched with laborsaving pole, utilize under same moment, the distance is longer more, the less principle of power, can take off the limiting plate from the gag lever post very laborsavingly.
3. The utility model provides an online maintenance frock of quick emergency valve actuating mechanism adopts carbide material to make, has wear-resisting characteristic, the life of multiplicable limiting plate.
Drawings
FIG. 1 is a schematic view of a prior art actuator assembly with a valve stem;
FIG. 2 is an assembly schematic view of an online maintenance tool for an emergency cut-off valve actuating mechanism according to the present application;
FIG. 3 is a schematic structural view of an on-line maintenance tool for an emergency cut-off valve actuating mechanism according to the present application;
the labels in the figure are: 1-limiting part, 11-positioning hole, 12-limiting plate, 121-connecting hole, 122-supporting hole, 13-limiting rod, 2-labor-saving rod, 3-valve rod, 31-connecting part, 32-rotating shaft, 4-valve body and 5-actuating mechanism.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
As shown in fig. 2 and 3, the online maintenance tool for the emergency stop valve execution mechanism comprises a limiting component 1, wherein the limiting component 1 is used for being fixedly connected with a valve body 4, a positioning hole 11 is formed in the limiting component 1, the positioning hole 11 is used for being matched with a connecting portion 31 of a valve rod 3, and the limiting component 1 can limit the connecting portion 31 to rotate around a rotating shaft 32 of the valve rod 3.
This application an online maintenance frock of quick action emergency valve actuating mechanism, when actuating mechanism breaks down, can dismantle actuating mechanism, afterwards, rapidly with spacing part 1 and valve rod 3 fixed connection, locating hole 11 on the spacing part 1 and the connecting portion 31 looks adaptation of valve rod 3, utilize locating hole 11 to restrict spacing part 1, and then restriction valve rod 3 rotates around the axis of rotation 32 of self, thereby when realizing the maintenance of spacing part 1, the valve rod can not rotate, the case is under the atmospheric pressure promotion through quick action emergency valve, can not move, make the case not influence the normal operating of pipeline, can change actuating mechanism safely effectively, reduce the safety risk.
On the basis, in a further preferred mode, the limiting component 1 comprises a limiting plate 12 and at least one limiting rod 13, the limiting rod 13 is connected with the limiting plate 12, the limiting rod 13 is fixedly connected with the valve body 4, the limiting rod 13 is used for limiting the limiting plate 12 to rotate around the rotating shaft 31 of the valve rod 3, and the positioning hole 11 is formed in the limiting plate 12.
Example 2
As shown in fig. 2 and 3, in the tool for repairing an emergency shutdown valve actuator on line according to embodiment 1, the limiting plate 12 and the limiting rod 13 are detachably connected.
On the basis, in a further preferable mode, the limiting plate 12 is provided with a connecting hole 121, and the connecting hole 121 is matched with the limiting rod 13.
On the basis, in a further preferable mode, the number of the limiting rods 13 is four, all the limiting rods 13 are distributed on the same circumference of the outer side of the connecting portion 31, and all the limiting rods 13 are parallel to each other.
On the basis, in a further preferable mode, the limiting rod 13 is vertically arranged.
In addition, in a more preferable mode, the limiting rod 13 is a bolt.
On the basis, in a further preferable mode, the limit rod 13 is a bolt used for positioning an actuating mechanism on the valve body 4
Example 3
As shown in fig. 2 and 3, the on-line maintenance tool for the emergency shutdown valve actuating mechanism in embodiment 1 further includes a labor-saving rod 2, at least one support hole 122 is formed in the side surface of the limiting plate 12, the axis of the support hole 122 is perpendicular to the axis of the positioning hole 11, and the support hole 122 can be matched with the labor-saving rod 2.
In the actuating mechanism maintenance process, the case promotes down through the atmospheric pressure of quick action emergency valve, pivoted torsional force can exist, and transmit valve rod 3 for with the form of moment of torsion, and then transmit for limiting plate 12, at this moment, limiting plate 12 can lean on one side of tight gag lever post 13, make limiting plate 12 hardly take off from gag lever post 13, and simultaneously, manual counter-rotation limiting plate 12 is very hard, the event sets up brace hole 122 in the side of limiting plate 12, and be equipped with and brace hole 122 matched with laborsaving pole 2, utilize under the same moment, the distance is longer, the less principle of power, can take off limiting plate 12 from gag lever post 13 very laborsavingly.
Example 4
As shown in fig. 2 and 3, in the tool for repairing an actuator of an emergency shutdown valve in an online manner according to embodiment 1, the limiting plate 12 is a structural member made of a cemented carbide material.
The hard alloy material is wear-resistant, and the service life of the limiting plate 12 can be prolonged.
On the basis, in a further preferable mode, a chamfer is arranged between two adjacent surfaces on the limiting plate 12.
A chamfer is arranged between the two adjacent surfaces, so that the limiting plate 12 is prevented from being scratched by a sharp corner when being manually carried.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides an online maintenance frock of quick action emergency valve actuating mechanism which characterized in that: including stop part (1), stop part (1) is used for with valve body (4) fixed connection, be provided with locating hole (11) on stop part (1), locating hole (11) are used for with connecting portion (31) looks adaptation of valve rod (3), stop part (1) can restrict connecting portion (31) rotate around axis of rotation (32) of valve rod (3).
2. The on-line maintenance tool for the emergency cut-off valve actuating mechanism is characterized in that: limiting part (1) includes limiting plate (12) and at least one gag lever post (13), gag lever post (13) with limiting plate (12) are connected, gag lever post (13) with valve body (4) fixed connection, gag lever post (13) are used for the restriction limiting plate (12) wind axis of rotation (32) rotation of valve rod (3), locating hole (11) set up in on limiting plate (12).
3. The on-line maintenance tool for the emergency cut-off valve actuating mechanism is characterized in that: the limiting plate (12) and the limiting rod (13) are detachably connected.
4. The on-line maintenance tool for the emergency cut-off valve actuating mechanism according to claim 3, characterized in that: the limiting plate (12) is provided with a connecting hole (121), and the connecting hole (121) is matched with the limiting rod (13).
5. The on-line maintenance tool for the emergency cut-off valve actuating mechanism according to claim 3, characterized in that: still include laborsaving pole (2), the side of limiting plate (12) is provided with at least one support hole (122), support hole (122) axis with locating hole (11) axis is mutually perpendicular, support hole (122) with laborsaving pole (2) looks adaptation.
6. The on-line maintenance tool for the emergency cut-off valve actuating mechanism is characterized in that: the limiting rods (13) are four, all the limiting rods (13) are distributed on the same circumference of the outer side of the connecting portion (31), and all the limiting rods (13) are parallel to each other.
7. The on-line maintenance tool for the emergency cut-off valve actuating mechanism according to claim 6, characterized in that: the limiting rod (13) is vertically arranged.
8. The on-line maintenance tool for the emergency cut-off valve actuating mechanism is characterized in that: the limiting rod (13) is a bolt.
9. The on-line maintenance tool for the emergency cut-off valve execution mechanism according to any one of claims 2 to 8, characterized in that: the limiting plate (12) is a structural member made of hard alloy materials.
10. The on-line maintenance tool for the emergency cut-off valve execution mechanism according to any one of claims 2 to 8, characterized in that: a chamfer is arranged between two adjacent surfaces on the limiting plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921598247.2U CN210716260U (en) | 2019-09-24 | 2019-09-24 | Online maintenance tool for emergency cut-off valve actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921598247.2U CN210716260U (en) | 2019-09-24 | 2019-09-24 | Online maintenance tool for emergency cut-off valve actuating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210716260U true CN210716260U (en) | 2020-06-09 |
Family
ID=70925334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921598247.2U Active CN210716260U (en) | 2019-09-24 | 2019-09-24 | Online maintenance tool for emergency cut-off valve actuating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210716260U (en) |
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2019
- 2019-09-24 CN CN201921598247.2U patent/CN210716260U/en active Active
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