CN214446072U - Emergency shutdown valve, hydraulic actuator and assembly and disassembly tools thereof - Google Patents
Emergency shutdown valve, hydraulic actuator and assembly and disassembly tools thereof Download PDFInfo
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- CN214446072U CN214446072U CN202022763825.2U CN202022763825U CN214446072U CN 214446072 U CN214446072 U CN 214446072U CN 202022763825 U CN202022763825 U CN 202022763825U CN 214446072 U CN214446072 U CN 214446072U
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Abstract
The utility model provides an emergency shut-off valve, a hydraulic actuator and a dismounting tool thereof, wherein the dismounting tool comprises a sealing gland; the cylinder body chassis is arranged above the sealing gland, and the bottom of the cylinder body chassis is fixed with the sealing gland; the screw is arranged on the cylinder body chassis; one end of the valve rod penetrates out of the sealing gland to the outside; the valve rod sleeve is sleeved on the outer wall of the valve rod; the spring base is sleeved on the sealing gland; the spring is sleeved on the periphery of the valve rod and positioned on the periphery of the valve rod sleeve, and one end of the spring is sleeved on the sealing gland and abuts against the spring base; the gland is connected with the upper end of the screw rod, and the other end of the valve rod penetrates out of the compression gland by screwing the compression gland downwards; the locking component is arranged at the end part of the valve rod; the gland and screw may be removed by removing the stem sleeve and tightening the locking element onto the stem, securing the spring through the locking element and stem. The utility model discloses the spring is dismantled in installation that can be accurate, safe, guarantees operating personnel's safety, shortens the activity duration, improves the operating efficiency.
Description
Technical Field
The utility model relates to an assembly tool when oil valve is with executor equipment that surges specifically relates to an emergency shutdown valve, executor and assembly and disassembly tools surges.
Background
In oil drilling and oil production operation, an emergency closing valve is required to be installed on the Christmas tree body to ensure that an oil-gas well can be closed in time under the emergency condition in the production process, so that major accidents are prevented. The emergency closing valve is required to rapidly close the flashboard by utilizing the resilience force of the spring, the elasticity of the spring needs to be large enough, the spring is compressed to a certain size in the installation process of the emergency closing valve, the valve rod and the compression nut can be screwed and connected together, the spring is always kept in a high-pressure stress state, and if no special tool is provided, an installer cannot compress the spring to a proper size and then connect the compression nut and the valve rod together under the high-compression state of the spring.
The Chinese patent with the application number of CN201911282706.0 is found through retrieval, and the dismounting tool comprises a base, wherein a cylinder barrel is arranged on the base, the top of the cylinder barrel is connected with a cylinder cover, a through hole is formed in the center of the cylinder cover, a piston rod is arranged in the through hole, a hydraulic spring is arranged in the cylinder barrel, the bottom of the piston rod is contacted with the top of the hydraulic spring, the piston rod, the cylinder cover, the cylinder barrel and the hydraulic spring jointly form a hydraulic cylinder, and a pressing mechanism capable of supplying hydraulic oil into a rod cavity of the hydraulic cylinder and an oil discharge bolt capable of discharging the hydraulic oil in the rod cavity of the hydraulic cylinder are arranged on the base; when carrying out the dismouting to the inside compression spring of cylinder body, the cylinder body cover is in the outside of cylinder, and compression spring is located between cylinder body and the cylinder, and compression spring upper portion is provided with and is used for carrying out spacing jump ring to compression spring, and the top of piston rod is connected with the clamp plate that can press compression spring. When the pressing mechanism is operated to enable the piston rod to move downwards, the pressing plate moves downwards along with the piston rod and compresses the hydraulic spring, and the compression spring in the cylinder body is compressed, so that the clamp spring can be taken out. When the oil drainage bolt is loosened, under the action of the hydraulic spring in the cylinder barrel, oil in the rod cavity of the hydraulic cylinder is discharged, the piston rod is restored to the original position, the pressing plate is taken down, the compression spring is taken out, and the compression spring of the cylinder body is disassembled. However, the above structure is complicated and takes time to disassemble.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a mounting and dismounting tool of hydraulic actuator has realized accurate, safe installation, dismantlement spring.
In order to solve the above-mentioned difficult problem, the utility model discloses an aspect provides a mounting and dismounting tool of hydraulic actuator, include:
the sealing gland is provided with a first central through hole, and the first central through hole penetrates through the axial direction of the sealing gland;
the bottom of the cylinder body chassis is fixed with the sealing gland, so that the bottom of the cylinder body chassis is closed to form an axial accommodating space with one open end;
the screw is arranged on the cylinder body chassis, and the bottom end of the screw is detachably connected with the upper end of the cylinder body chassis;
the valve rod is axially arranged in the axial accommodating space, and one end of the valve rod penetrates out of the first central through hole of the sealing gland to the outside;
the valve rod sleeve is sleeved on the outer wall of the valve rod;
the spring base is arranged in the axial containing space and sleeved on the sealing gland;
the spring is arranged in the axial containing space, the spring is sleeved on the periphery of the valve rod and positioned on the periphery of the valve rod sleeve, and one end of the spring is sleeved on the sealing gland and abuts against the spring base;
the gland is screwed at the upper end of the screw rod through a nut and is positioned above the other ends of the valve rod and the spring, and the spring moves downwards to enable the other end of the valve rod to penetrate out of the second central through hole through screwing of the nut, and the valve rod sleeve can be removed through the second central through hole;
the locking component is arranged at the end part of the other end of the valve rod, and the bottom of the locking component is inserted into the second central through hole; the gland and the screw may be removed by removing the stem sleeve and tightening the locking member onto the stem such that the spring is secured by the locking member and the stem.
Preferably, the assembly and disassembly tools of the hydraulic actuator comprise a spring gland, the spring gland is arranged between the end part of the other end of the spring and the gland, and the inner wall of the spring gland is tightly matched with the outer wall of the locking component.
Preferably, the cross section of the sealing gland is in a cross shape, wherein the transverse edge is used for sealing the lower end of the cylinder body chassis, and one end of the vertical edge is used for inserting the spring.
Preferably, the gland is a circular part, and the diameter of the circular part is matched with that of the open end of the axial accommodating space.
Preferably, the locking member is a lock nut.
Preferably, the gland is screwed to the screw by a nut.
Preferably, the bottom end of the screw is in threaded connection with the cylinder body chassis.
A second aspect of the present invention provides a hydraulic actuator, including the above-mentioned assembly and disassembly tools and hydraulic cylinder of the hydraulic actuator, the assembly and disassembly tools with the hydraulic cylinder is connected.
The third aspect of the utility model provides an emergency shutdown valve, including above-mentioned executor and valve that surges, the valve with assembly and disassembly tools's valve rod is connected.
Compared with the prior art, the utility model discloses at least one kind's beneficial effect as follows has:
the utility model discloses assembly and disassembly tools is applied to the installation spring that can be accurate, safe on the executor that surges, has avoided the danger that exists in the personnel installation, has guaranteed staff's personal safety, shortens the activity duration, reduces intensity of labour, has solved the danger that part springs such as dismantlement valve rod directly popped out when the on-the-spot accessory of oil field operation.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of a spring of a disassembling tool of a hydraulic actuator according to a preferred embodiment of the present invention in a free height state;
fig. 2 is a schematic structural view of a spring of a disassembling tool of a hydraulic actuator according to a preferred embodiment of the present invention in a pre-compressed height state;
fig. 3 is a schematic structural view of the hydraulic actuator after the disassembly and assembly tool is removed according to a preferred embodiment of the present invention;
FIG. 4 is a schematic view of the entire emergency shutdown valve after installation;
the scores in the figure are indicated as: 1 is a locking component, 2 is a gland, 3 is a spring gland, 4 is a screw, 5 is a spring, 6 is a spring base, 7 is a cylinder body chassis, 8 is a sealing gland, 9 is a valve rod, 10 is a valve rod sleeve, 11 is a nut, 12 is a split pin, 13 is a hydraulic cylinder, 14 is a valve, and 15 is a hexagon bolt.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention. Portions not described in detail in the following embodiments may be implemented using existing components.
Referring to fig. 1, it is a schematic structural view of a spring of a disassembling tool for a hydraulic actuator according to a preferred embodiment of the present invention in a free height state, and the diagram includes: the sealing device comprises a sealing gland 8, a cylinder body chassis 7, a screw rod 4, a valve rod 9, a valve rod sleeve 10, a spring base 6, a spring 5, a gland 2 and a locking component 1.
Wherein, gland 8 is equipped with first central through-hole, and first central through-hole runs through gland 8's axial.
The cylinder body chassis 7 is arranged on the sealing gland 8, and the bottom of the cylinder body chassis 7 is fixed with the sealing gland 8, so that the bottom of the cylinder body chassis 7 is sealed to form an axial containing space with one open end.
The screw rod 4 is arranged on the cylinder body chassis 7, and the bottom end of the screw rod 4 is detachably connected with the upper end of the cylinder body chassis 7. Preferably, the bottom end of the screw 4 passes through the cylinder chassis 7 and is fixed by a nut 11 and a cotter pin 12.
The valve rod 9 is axially arranged in the axial accommodating space, and one end of the valve rod 9 penetrates out of the first central through hole of the sealing gland 8 to the outside.
The valve rod sleeve 10 is sleeved on the outer wall of the valve rod 9.
The spring base 6 is arranged in the axial accommodating space and sleeved on the sealing gland 8.
The spring 5 is arranged in the axial accommodating space, the spring 5 is sleeved on the periphery of the valve rod 9 and is positioned on the periphery of the valve rod sleeve 10, and one end of the spring 5 is sleeved on the sealing gland 8 and abuts against the spring base 6. Referring to fig. 1, the spring 5 is in a free height state. Referring to fig. 2, the spring 5 is shown in a pre-compressed height state.
The gland 2 is provided with a second central through hole running through its thickness direction. The gland 2 is screwed to the upper end of the screw rod 4 through the nut 11 and is positioned above the other ends of the valve rod 9 and the spring 5, and the compression spring 5 moves downwards by screwing the nut 11, so that the other end of the valve rod 9 penetrates out of the second central through hole, and the valve rod sleeve 10 can be removed through the second central through hole.
The locking component 1 is arranged at the end part of the other end of the valve rod 9, and the bottom of the locking component 1 is inserted into the second central through hole; the gland 2, the screw 4, can be removed by removing the stem sleeve 10 and screwing the locking element 1 onto the stem 9, so that the spring 5 is fixed by the locking element 1, the stem 9. As a preferable mode, the lock member 1 employs a lock nut.
As a preferred mode, the assembly and disassembly tools of the hydraulic actuator are further provided with a spring gland 3, the spring gland 3 is arranged between the end part of the other end of the spring 5 and the gland 2, and the inner wall of the spring gland 3 is tightly matched with the outer wall of the locking part 1.
The preferable installation mode of each part of the dismounting tool of the hydraulic actuator of the embodiment is as follows:
firstly, the valve rod 9 and the valve 14 are installed, the sealing gland 8 is installed on the valve cover, then after a cylinder body chassis 7 is screwed on a sealing gland 8, 4 screws 4 are screwed on the cylinder body chassis 7, referring to the initial installation state position of a dismounting tool of the hydraulic actuator shown in figure 1, a spring base 6 and a spring 5 are installed, a valve rod sleeve 10 is installed on a valve rod 9, a spring gland 3 and the valve rod sleeve 10 are installed at the upper end of the spring 5 in a matching way, finally, a gland 2 is screwed and compressed by a nut 11 until the upper end face of the valve rod sleeve 10 is flush with the upper end face of the spring gland 3, referring to figure 2, the position of the spring 5 is just in a pre-compression state at the moment, the valve rod sleeve 10 is taken out, the gland 2 and the screw 4 can then be removed by screwing the locking element 1 onto the valve stem 9, with the spring 5 already secured by the locking element 1. The driver cylinder 3 part can be installed subsequently.
The gland 2, the screw rod 4, the valve rod sleeve 10 and the nut 11 in the components of the dismounting tool of the hydraulic actuator are parts to be processed by the tool, and the rest are parts on an assembly product. The disassembling tool is simple and practical, solves the problem that the spring cannot be installed in a compressed state, can shorten the operation time, and reduces the labor intensity of assembly workers. The above-mentioned screw 4 and nut 11 are used to compress the spring 5 step by step. The valve stem sleeve 10 serves as a scale and guide. The gland 2 is a structural member for bearing the force of a spring.
In other preferred embodiments, the disassembling tool of the hydraulic actuator comprises a spring gland 3, the spring gland 3 is arranged between the end part of the other end of the spring 5 and the gland 2, and the inner wall of the spring gland 3 is tightly matched with the outer wall of the locking component 1.
In other preferred embodiments, the cross section of the gland 8 is cross-shaped, wherein the transverse edge is used for closing the lower end of the cylinder chassis 7, and one end of the vertical edge is used for inserting the spring 5.
In other partially preferred embodiments, the gland 2 is a circular part having a diameter matching the diameter of the open end of the axial receiving space.
In other partially preferred embodiments, the bottom end of the screw 4 is connected with the cylinder chassis 7 through threads.
In another embodiment, referring to fig. 4, there is provided an emergency shutdown valve comprising a hydraulic actuator connected to the above-mentioned tool and a valve 14, the valve 14 being connected to the valve stem 9 and the housing of the valve 14 being connected to the cylinder chassis 7 by means of hex bolts 15. Referring to fig. 3, the hydraulic actuator is comprised of a hydraulic cylinder 13 and a spring portion of the setting and removing tool.
The dismounting tool is applied to a hydraulic actuator of the emergency closing valve, and the valve 14 can be closed by dismounting hydraulic pressure under emergency, so that the ground well closing is realized. The switch of the emergency closing valve is controlled by an actuating mechanism connected with the emergency closing valve, the actuating mechanism is simply a hydraulic cylinder 13, a piston is arranged in the middle, an oil chamber is arranged at the upper part, a large spring is arranged at the lower part, and the piston is pushed to overcome the elasticity of the spring to move downwards to open a valve 14 when hydraulic pressure exists in the oil chamber; once the hydraulic pressure is lost, the piston moves upward under the spring force, closing the valve 14. If the large spring is installed without the help of a special tool, the large spring can be accurately and safely installed by adopting the disassembling tool, the spring can be disassembled, the safety of operators can be ensured, the operation time is shortened, the labor intensity is reduced, the operation efficiency is greatly improved, and the economic benefit is improved.
All the parts used in the application documents can adopt standard parts or common technologies if not detailed, and can be purchased from the market, the specific connection mode of all the parts can adopt conventional means such as bolts, rivets, welding and the like mature in the prior art, the machinery, the parts and the electrical equipment adopt conventional models in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and the method is easy to realize for the person skilled in the art, and the detailed description is not provided.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (8)
1. A disassembly and assembly tool of a hydraulic actuator, comprising:
the sealing gland is provided with a first central through hole, and the first central through hole penetrates through the axial direction of the sealing gland;
the bottom of the cylinder body chassis is fixed with the sealing gland, so that the bottom of the cylinder body chassis is closed to form an axial accommodating space with one open end;
the screw is arranged on the cylinder body chassis, and the bottom end of the screw is detachably connected with the upper end of the cylinder body chassis;
the valve rod is axially arranged in the axial accommodating space, and one end of the valve rod penetrates out of the first central through hole of the sealing gland to the outside;
the valve rod sleeve is sleeved on the outer wall of the valve rod;
the spring base is arranged in the axial containing space and sleeved on the sealing gland;
the spring is arranged in the axial containing space, the spring is sleeved on the periphery of the valve rod and positioned on the periphery of the valve rod sleeve, and one end of the spring is sleeved on the sealing gland and abuts against the spring base;
the gland is screwed at the upper end of the screw rod through a nut and is positioned above the other ends of the valve rod and the spring, and the spring moves downwards to enable the other end of the valve rod to penetrate out of the second central through hole through screwing of the nut, and the valve rod sleeve can be removed through the second central through hole;
the locking component is arranged at the end part of the other end of the valve rod, and the bottom of the locking component is inserted into the second central through hole; the gland and the screw may be removed by removing the stem sleeve and tightening the locking member onto the stem such that the spring is secured by the locking member and the stem.
2. The disassembly and assembly tool of a hydraulic actuator according to claim 1, further comprising a spring gland, wherein the spring gland is arranged between the end part of the other end of the spring and the gland, and the inner wall of the spring gland is tightly matched with the outer wall of the locking component.
3. The disassembly and assembly tool of a hydraulic actuator according to claim 1, wherein the cross section of the gland is cross-shaped, wherein the transverse edge is used for closing the lower end of the cylinder chassis, and one end of the vertical edge is used for inserting the spring.
4. The disassembly and assembly tool of a hydraulic actuator according to claim 1, wherein the gland is a circular part, and the diameter of the circular part is matched with the diameter of the open end of the axial accommodating space.
5. A liquid actuator disassembly and assembly tool of any claim 1-4, wherein the locking part is a lock nut.
6. The disassembly and assembly tool of a hydraulic actuator according to any one of claims 1 to 4, wherein the bottom end of the screw is connected with the cylinder chassis through a thread.
7. A hydraulic actuator comprising a hydraulic cylinder, characterized by further comprising a tool for removing a hydraulic actuator according to any one of claims 1-6, said tool being connected to said hydraulic cylinder.
8. An emergency shutdown valve comprising a hydraulic actuator as defined in claim 7 and a valve connected to a valve stem of the setting tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022763825.2U CN214446072U (en) | 2020-11-25 | 2020-11-25 | Emergency shutdown valve, hydraulic actuator and assembly and disassembly tools thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022763825.2U CN214446072U (en) | 2020-11-25 | 2020-11-25 | Emergency shutdown valve, hydraulic actuator and assembly and disassembly tools thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214446072U true CN214446072U (en) | 2021-10-22 |
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ID=78184198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022763825.2U Active CN214446072U (en) | 2020-11-25 | 2020-11-25 | Emergency shutdown valve, hydraulic actuator and assembly and disassembly tools thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214446072U (en) |
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2020
- 2020-11-25 CN CN202022763825.2U patent/CN214446072U/en active Active
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