CN114483673A - Cable type static pressure seat sealing tool - Google Patents
Cable type static pressure seat sealing tool Download PDFInfo
- Publication number
- CN114483673A CN114483673A CN202210169005.1A CN202210169005A CN114483673A CN 114483673 A CN114483673 A CN 114483673A CN 202210169005 A CN202210169005 A CN 202210169005A CN 114483673 A CN114483673 A CN 114483673A
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- Prior art keywords
- cylinder body
- oil
- piston rod
- pressurizing
- pressure boost
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- 238000007789 sealing Methods 0.000 title claims abstract description 49
- 230000003068 static effect Effects 0.000 title claims abstract description 10
- 239000012530 fluid Substances 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 22
- 238000003825 pressing Methods 0.000 claims description 10
- 230000002706 hydrostatic effect Effects 0.000 claims 7
- 239000003208 petroleum Substances 0.000 abstract description 3
- 238000005553 drilling Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 148
- 239000010720 hydraulic oil Substances 0.000 description 4
- 238000004880 explosion Methods 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000003578 releasing effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1433—End caps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1457—Piston rods
- F15B15/1461—Piston rod sealings
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Abstract
The invention relates to the technical field of petroleum drilling equipment, in particular to a cable type static pressure seat sealing tool, which comprises a pressurizing cylinder body, oil filling equipment, a driving piston rod and pressurizing equipment, wherein the pressurizing cylinder body is provided with a pressurizing cylinder; one end of the pressurizing cylinder body is provided with oil filling equipment, the other end of the pressurizing cylinder body is provided with pressurizing equipment, and the pressurizing equipment drives the piston rod to move; supercharging equipment includes the pressure boost piston rod, pass through the lid, middle cylinder body, seal assembly, connect oil pipe and flow control subassembly, pass through the lid setting in the bottom of pressure boost cylinder body, middle cylinder body sets up the top at the pressure boost cylinder body, pressure boost piston rod slidable mounting is in the pressure boost cylinder body, the bottom of pressure boost piston rod is run through passing through the lid, the top of pressure boost piston rod stretches into in the middle cylinder body, connect middle cylinder body and pass through the lid respectively at oil pipe's both ends, flow control subassembly intercommunication connection oil pipe, and the fluid flow direction in the control connection oil pipe, realize the pressure boost drive to pressure boost piston rod, thereby make the movement efficiency of actuating piston rod better.
Description
Technical Field
The invention relates to the technical field of petroleum drilling equipment, in particular to a cable type static pressure setting tool.
Background
At present, in the process of underground petroleum collection operation, an underground setting tool needs to be used for pushing a piston to move, so that setting and releasing actions are realized, and the piston is pushed to move in a mode of generating high temperature and high pressure by explosive explosion conventionally.
However, equipment and an oil-gas well are easily damaged in the explosive explosion process, so that potential safety hazards are easily caused, and the potential safety hazards are avoided due to explosive explosion.
At present, a booster oil cylinder is used for driving a piston to move, but the pressure of a piston rod of the oil cylinder is related to the pressure of introduced gas and the cross section area of the piston, so that the cross section area of an oil production well is small, and further, the conventional oil cylinder cannot provide larger pressure, and the piston is difficult to drive to move.
Disclosure of Invention
The invention aims to provide a cable type static pressure seat sealing tool, and aims to solve the technical problems that in the prior art, the piston rod pressure of an oil cylinder is related to the pressure of introduced gas and the cross-sectional area of a piston, the cross-sectional area of an oil production well is small, and further, a conventional oil cylinder cannot provide larger pressure, so that the piston is difficult to drive to move.
In order to achieve the purpose, the invention adopts a cable type static pressure seat sealing tool, which comprises a pressurizing cylinder body, oil filling equipment, a driving piston rod and pressurizing equipment;
the oil charging equipment is installed at one end of the pressurizing cylinder body, the pressurizing equipment is installed at the other end of the pressurizing cylinder body, and the pressurizing equipment drives the driving piston rod to move;
supercharging equipment includes the pressure boost piston rod, passes through lid, middle cylinder body, seal assembly, connects oil pipe and flow control subassembly, pass through the lid setting and be in the bottom of pressure boost cylinder body, middle cylinder body sets up the top of pressure boost cylinder body, pressure boost piston rod slidable mounting be in the pressure boost cylinder body, the bottom of pressure boost piston rod runs through pass through the lid, the top of pressure boost piston rod stretches into in the middle cylinder body, connect oil pipe's both ends and connect respectively middle cylinder body with pass through the lid, flow control subassembly intercommunication connect oil pipe, and control connect the fluid flow direction in the oil pipe.
The pressurizing piston rod comprises a piston rod body, a piston plug, an extension rod and a conical plug, and the liquid filling rod is connected with the driving piston rod, penetrates through the transparent cover and extends into the pressurizing cylinder body; the piston plug is fixedly connected with the piston rod body and is in sliding connection with the pressurizing cylinder body; the extension rod is fixedly connected with the piston plug head and extends into the middle cylinder body; the conical plug is arranged at one end, extending into the middle cylinder body, of the extending rod.
The middle cylinder body is provided with a plug matching hole, and the plug matching hole penetrates through the pressurizing cylinder body and is communicated with the pressurizing cylinder body; the supercharging equipment further comprises an intermediate sealing ring, wherein the intermediate sealing ring is arranged in the plug matching hole and is matched with the conical plug.
The oil filling equipment comprises an oil filling cylinder body, an outer cylinder cover and a liquid filling piston rod, wherein the oil filling cylinder body is fixedly arranged on the middle cylinder body and is positioned on one side of the middle cylinder body, which is far away from the supercharging cylinder body; the outer cylinder cover is fixedly arranged on the oil-filled cylinder body and is positioned on one side of the oil-filled cylinder body, which is far away from the supercharging cylinder body; the liquid-filled piston rod is connected with the outer cylinder cover in a sliding mode and extends into the oil-filled cylinder body.
The outer cylinder cover is provided with an outer oil filling hole, and the outer oil filling hole penetrates through the outer cylinder cover and is communicated with the oil filling cylinder body; the liquid filling piston rod comprises a liquid filling rod piece and an oil pressing plug head, the liquid filling rod piece is connected with the outer cylinder cover in a sliding mode and extends into the oil filling cylinder body, and the oil pressing plug head is fixedly connected with the liquid filling rod piece, is connected with the oil filling cylinder body in a sliding mode and is arranged in the oil filling cylinder body.
The middle cylinder body is also provided with a lateral oil inlet and outlet hole which penetrates through the middle cylinder body and is respectively communicated with the connecting oil pipe and the plug matching hole.
An oil passing gap is formed between the transparent cover and the supercharging piston rod and is communicated with the inside of the supercharging cylinder body; the transparent cover is provided with a connecting hole which is communicated with the oil passing gap and communicated with the connecting oil pipe.
The sealing assembly comprises a bottom sealing sleeve and a sealing sleeve cover, wherein the bottom sealing sleeve is fixedly connected with the transparent cover and sleeved on the outer side of the piston rod body; the sealing sleeve cover is arranged between the bottom sealing sleeve and the piston rod body and is in sliding connection with the piston rod body.
According to the cable type static pressure seat sealing tool, the pressurizing piston rod is driven to move downwards, so that hydraulic oil in the pressurizing cylinder body is introduced into the connecting oil pipe, the flow control assembly and the connecting oil pipe charge the hydraulic oil into the oil charging equipment, the oil charging equipment is driven to move downwards to be in contact with the middle cylinder body, the movement is repeated, the pressurizing driving of the pressurizing piston rod is further achieved, and the movement efficiency of the driving piston rod is better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the cable type static pressure setting tool of the present invention.
Fig. 2 is a schematic structural view of the supercharging apparatus of the present invention.
Fig. 3 is an enlarged view of fig. 2 a of the present invention.
Fig. 4 is a schematic structural view of the flow control assembly of the present invention.
Fig. 5 is a schematic structural view of the seal assembly of the present invention.
In the figure: 1-pressurizing cylinder body, 2-oil filling equipment, 3-driving piston rod, 4-pressurizing equipment, 5-oil passing gap, 21-oil filling cylinder body, 22-outer cylinder cover, 23-liquid filling piston rod, 41-pressurizing piston rod, 42-transparent cover, 43-middle cylinder body, 44-sealing component, 45-connecting oil pipe, 46-flow control component, 47-middle sealing ring, 221-external oil filling hole, 231-liquid filling rod piece, 232-oil pressing plug head, 411-piston rod body, 412-piston plug head, 413-extending rod, 414-conical plug head, 421-connecting hole, 431-plug matching hole, 432-lateral oil inlet and outlet hole, 441-bottom sealing sleeve, 442-sealing sleeve cover, 461-hydraulic reversing valve body, right-angle oil cylinder body, right-oil inlet and outlet hole, right-angle oil cylinder body, right angle cylinder body, right-angle cylinder body, right angle cylinder body, right angle, right angle, 462-control part, 463-first oil control pipe, 464-second oil control pipe, 4621-telescopic plug and 4622-spring part.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 5, the present invention provides a cable type static pressure seat sealing tool, which includes a pressurizing cylinder 1, an oil filling device 2, a driving piston rod 3 and a pressurizing device 4; one end of the pressurization cylinder body 1 is provided with the oil filling equipment 2, the other end of the pressurization cylinder body 1 is provided with the pressurization equipment 4, and the pressurization equipment 4 drives the driving piston rod 3 to move; supercharging equipment 4 includes pressure boost piston rod 41, passes through lid 42, middle cylinder body 43, seal assembly 44, connects oil pipe 45 and flow control assembly 46, pass through lid 42 and set up pressure boost cylinder body 1's bottom, middle cylinder body 43 sets up pressure boost cylinder body 1's top, pressure boost piston rod 41 slidable mounting be in pressure boost cylinder body 1, pressure boost piston rod 41's bottom is run through pass through lid 42, pressure boost piston rod 41's top is stretched into in the middle cylinder body 43, connect oil pipe 45's both ends and connect respectively middle cylinder body 43 with pass through lid 42, flow control assembly 46 intercommunication connect oil pipe 45, and control the fluid flow direction in the connection oil pipe 45.
In this embodiment, a cavity for installing the supercharging device 4 is formed inside the supercharging cylinder 1, the supercharging cylinder 1 is slidably installed with the supercharging piston rod 41, the supercharging piston rod 41 is connected with the driving piston rod 3, and the driving piston rod 3 is driven to move by the movement of the supercharging piston rod 41 in the supercharging cylinder 1; the transparent cover 42 is installed at the bottom opening of the pressurizing cylinder body 1, and the transparent cover 42 is used for sealing the opening at the bottom of the pressurizing cylinder body 1 and is connected with the pressurizing piston rod 41; the middle cylinder body 43 is mounted at the top of the pressurizing cylinder body 1, the middle cylinder body 43 is used for connecting the pressurizing cylinder body 1 and the oil filling equipment 2, and oil is fed into the pressurizing cylinder body 1 through the oil filling equipment 2; the sealing assembly 44 is installed at the joint of the supercharging piston rod 41 and the transparent cover 42, the sealing assembly 44 connects the movement of the supercharging piston rod 41 and seals a gap between the supercharging piston rod 41 and the transparent cover 42, so as to prevent oil from overflowing the supercharging cylinder 1; the connecting oil pipe 45 is connected with the flow control assembly 46 and respectively communicated with the middle cylinder body 43 and the transparent cover 42, so that hydraulic oil in the pressurizing cylinder body 1 passes through the connecting oil pipe 45 and the flow control assembly 46 is filled into the oil filling equipment 2, and the pressurizing piston rod 41 moves downwards through driving, so that the hydraulic oil in the pressurizing cylinder body 1 is introduced into the connecting oil pipe 45, the flow control assembly 46 and the connecting oil pipe 45 are filled into the oil filling equipment 2, the oil filling equipment 2 is driven to move downwards to be in contact with the middle cylinder body 43, the movement is repeated, the pressurizing driving of the pressurizing piston rod 41 is realized, and the movement efficiency of the driving piston rod 3 is better.
Further, referring to fig. 2, fig. 3 and fig. 5, the pressurizing piston rod 41 includes a piston rod body 411, a piston plug 412, an extending rod 413 and a tapered plug 414, the liquid filling rod 231 is connected to the driving piston rod 3, penetrates through the transparent cover 42 and extends into the pressurizing cylinder 1; the piston plug 412 is fixedly connected with the piston rod body 411 and is connected with the pressurizing cylinder body 1 in a sliding manner; the extension rod 413 is fixedly connected with the piston plug 412 and extends into the middle cylinder 43; the tapered plug 414 is disposed at one end of the extension rod 413 extending into the intermediate cylinder 43.
Further, referring to fig. 2 and 3, the intermediate cylinder 43 has a plug fitting hole 431, and the plug fitting hole 431 penetrates through the pressure cylinder 1 and is communicated with the pressure cylinder 1; the supercharging apparatus 4 further comprises an intermediate sealing ring 47, and the intermediate sealing ring 47 is disposed in the plug fitting hole 431 and is fitted with the tapered plug 414.
In this embodiment, the piston rod body 411 is a cylinder, vertically penetrates through the transparent cover 42, and the driving piston rod 3 is installed at the bottom of the piston rod body 411; the piston plug 412 is integrally installed on the top of the piston rod body 411, the diameter of the piston plug 412 is larger than that of the piston rod body 411, the piston plug 412 is in sliding contact with the inner side wall of the supercharging cylinder 1, the piston plug 412 is provided with an oil hole for oil to pass through, and the oil can move from the middle cylinder 43 to the position of the through cover 42 through the piston plug 412; the extension rod 413 and the piston plug 412 are integrally formed and extend into the middle cylinder 43, a circular groove is formed in the center of the middle cylinder 43, the bottom of the circular groove is a plug matching hole 431 with a gradually reduced diameter, the middle sealing ring 47 is installed on the inner side wall of the position where the diameter of the plug matching hole 431 is the smallest, the middle sealing ring 47 is made of rubber and has good wear resistance and corrosion resistance, the tapered plug 414 is integrally installed at the top end of the extension rod 413, the diameters of the tapered plugs 414 are sequentially increased from bottom to top, the tapered plugs 414 are matched with the middle sealing ring 47, the tapered plugs 414 are resisted by the middle sealing ring 47, so that the tapered plugs 414 cannot be separated from the middle cylinder 43, and the middle sealing ring 47 cushions the contact between the tapered plugs 414 and the middle cylinder 43, thereby reducing the impact of the device.
Further, referring to fig. 1 and fig. 2, the oil filling device 2 includes an oil filling cylinder 21, an outer cylinder cover 22, and an oil filling piston rod 23, where the oil filling cylinder 21 is fixedly installed on the middle cylinder 43 and located on a side of the middle cylinder 43 away from the supercharging cylinder 1; the outer cylinder cover 22 is fixedly installed on the oil-filled cylinder body 21 and is positioned on one side, far away from the supercharging cylinder body 1, of the oil-filled cylinder body 21; the liquid-filled piston rod 23 is connected with the outer cylinder cover 22 in a sliding manner and extends into the oil-filled cylinder body 21.
In the present embodiment, the oil-filled cylinder 21 is a cylinder with a hollow interior, and the bottom of the oil-filled cylinder 21 is fixedly mounted on the top of the intermediate cylinder 43, and the hollow interior of the oil-filled cylinder 21 is communicated with the center of the intermediate cylinder 43; the outer cylinder cover 22 is fixedly installed at the top of the oil-filled cylinder body 21, seals a hollow part inside the oil-filled cylinder body 21, and is provided with the liquid-filled piston rod 23, the liquid-filled piston rod 23 slides in the oil-filled cylinder body 21 under the driving of external oil supply, so as to compress oil in the oil-filled cylinder body 21, and the oil is compressed into the supercharging cylinder body 1 through the oil-filled piston rod.
Further, referring to fig. 2, the outer cylinder head 22 has an outer oil filling hole 221, and the outer oil filling hole 221 penetrates through the outer cylinder head 22 and is communicated with the oil filling cylinder 21; the liquid-filling piston rod 23 includes a liquid-filling rod 231 and an oil-pressing plug 232, the liquid-filling rod 231 is slidably connected to the outer cylinder cover 22 and extends into the oil-filled cylinder 21, and the oil-pressing plug 232 is fixedly connected to the liquid-filling rod 231, slidably connected to the oil-filled cylinder 21, and disposed in the oil-filled cylinder 21.
In the present embodiment, the top of the outer cylinder cover 22 protrudes from the top of the oil-filled cylinder 21, and the protruding position of the outer cylinder cover 22 is provided with the external oil filling hole 221, the external oil filling hole 221 is connected to an oil supply device at the top of an oil well, and oil is supplied into the oil-filled cylinder 21 through the oil supply device; the liquid filling rod 231 is slidably mounted on the outer cylinder cover 22 and is connected with the outer cylinder cover 22 through a sealing ring to prevent oil from overflowing, the oil pressing plug 232 is mounted at the bottom of the liquid filling rod 231, and the oil pressing plug 232 is slidably mounted on the inner side wall of the oil filling cylinder body 21, so that the oil in the oil filling cylinder body 21 is compressed through the oil pressing plug 232.
Further, referring to fig. 2, the intermediate cylinder 43 further has a lateral oil inlet and outlet hole 432, and the lateral oil inlet and outlet hole 432 penetrates through the intermediate cylinder 43 and is respectively communicated with the connecting oil pipe 45 and the plug fitting hole 431.
In the present embodiment, the lateral oil inlet and outlet hole 432 is formed in a side surface of the intermediate cylinder 43, and the lateral oil inlet and outlet hole 432 communicates with the oil groove formed in the center of the intermediate cylinder 43 and the connecting oil pipe 45, so that the connecting oil pipe 45 can supply oil to the intermediate cylinder 43.
Further, referring to fig. 2, an oil gap 5 is formed between the transparent cover 42 and the supercharging piston rod 41, and the oil gap 5 is communicated with the inside of the supercharging cylinder 1; the through cover 42 has a connection hole 421, and the connection hole 421 communicates with the oil passing gap 5 and is communicated with the connection oil pipe 45.
In the present embodiment, the oil passing gap 5 is formed between the inner wall of the transparent cover 42 and the outer wall of the supercharging piston rod 41, the connection hole 421 is provided in the horizontal direction of the transparent cover 42, the connection hole 421 is communicated with the oil passing gap 5, the oil passing gap 5 is used for passing oil, and the oil is transported into the connection oil pipe 45 through the connection hole 421, thereby completing the circulation of the oil.
Further, referring to fig. 5, the sealing assembly 44 includes a bottom sealing sleeve 441 and a sealing sleeve cover 442, and the bottom sealing sleeve 441 is fixedly connected to the transparent cover 42 and sleeved on the outer side of the piston rod body 411; the sealing sleeve cover 442 is installed between the bottom sealing sleeve 441 and the piston rod body 411, and is slidably connected to the piston rod body 411.
In this embodiment, the bottom sealing sleeve 441 is installed at an opening at the bottom of the transparent cover 42, the sealing sleeve cover 442 is installed inside the bottom sealing sleeve 441, and the sealing sleeve cover 442 is installed outside the piston rod body 411 in a sleeved manner and seals the outside of the piston rod body 411, so that oil is prevented from overflowing from a gap between the transparent cover 42 and the piston rod body 411.
Further, referring to fig. 4, the flow control assembly 46 includes a hydraulic directional valve body 461, a control component 462, a first oil control pipe 463 and a second oil control pipe 464, the hydraulic directional valve body 461 is connected with one end of the connecting oil pipe 45 through the first oil control pipe 463, the hydraulic directional valve body 461 is connected with the other end of the connecting oil pipe 45 through the second oil control pipe 464, and the first oil control pipe 463 and the second oil control pipe 464 are respectively communicated with the inside of the hydraulic directional valve body 461; the control part 462 controls the oil output.
Further, referring to fig. 4, the control component 462 includes a telescopic plug 4621 and a spring component 4622, the telescopic plug 4621 is slidably connected to the hydraulic directional valve 461 and is located in the control component 462; one side of the spring 4622 is connected to the hydraulic reversing valve 461, and the other side of the spring 4622 is connected to the telescopic plug 4621.
In this embodiment, the hydraulic directional valve 461 is communicated with the upper and lower ends of the connecting oil pipe 45 through the first oil control pipe 463 and the second oil control pipe 464, the hydraulic directional valve 461 has a cavity for mounting the control component 462 therein, the telescopic plug 4621 of the control component 462 is slidably mounted in the hydraulic directional valve 461, and the telescopic plug 4621 slides between the second oil control pipe 464 and the first control pipe, and when sliding to the second control pipe, is resisted and limited by the hydraulic directional valve 461, so as to block the second oil control pipe 464; the spring 4622 connects the hydraulic directional valve 461 and the telescopic plug 4621, so that when the telescopic plug 4621 is compressed to be close to the first oil control pipe 463 by oil, the oil flows out of the connecting oil pipe 45 through the first oil control pipe 463, and the spring 4622 drives the telescopic plug 4621 to move to the second oil control pipe 464 by elastic potential energy, thereby controlling the flow of the oil.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that 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 (8)
1. A cable type static pressure seat sealing tool is characterized by comprising a pressurizing cylinder body, oil filling equipment, a driving piston rod and pressurizing equipment;
the oil charging equipment is installed at one end of the pressurizing cylinder body, the pressurizing equipment is installed at the other end of the pressurizing cylinder body, and the pressurizing equipment drives the driving piston rod to move;
supercharging equipment includes the pressure boost piston rod, passes through lid, middle cylinder body, seal assembly, connects oil pipe and flow control subassembly, pass through the lid setting and be in the bottom of pressure boost cylinder body, middle cylinder body sets up the top of pressure boost cylinder body, pressure boost piston rod slidable mounting be in the pressure boost cylinder body, the bottom of pressure boost piston rod runs through pass through the lid, the top of pressure boost piston rod stretches into in the middle cylinder body, connect oil pipe's both ends and connect respectively middle cylinder body with pass through the lid, flow control subassembly intercommunication connect oil pipe, and control connect the fluid flow direction in the oil pipe.
2. The cable hydrostatic setting tool of claim 1,
the pressurizing piston rod comprises a piston rod body, a piston plug, an extension rod and a conical plug, and the liquid filling rod is connected with the driving piston rod, penetrates through the transparent cover and extends into the pressurizing cylinder body; the piston plug is fixedly connected with the piston rod body and is in sliding connection with the pressurizing cylinder body; the extension rod is fixedly connected with the piston plug head and extends into the middle cylinder body; the conical plug is arranged at one end, extending into the middle cylinder body, of the extending rod.
3. The cable hydrostatic setting tool of claim 2,
the middle cylinder body is provided with a plug matching hole which penetrates through the pressurizing cylinder body and is communicated with the pressurizing cylinder body; the supercharging equipment further comprises an intermediate sealing ring, wherein the intermediate sealing ring is arranged in the plug matching hole and is matched with the conical plug.
4. The cable hydrostatic setting tool of claim 1,
the oil filling equipment comprises an oil filling cylinder body, an outer cylinder cover and a liquid filling piston rod, wherein the oil filling cylinder body is fixedly arranged on the middle cylinder body and is positioned on one side of the middle cylinder body, which is far away from the supercharging cylinder body; the outer cylinder cover is fixedly arranged on the oil-filled cylinder body and is positioned on one side of the oil-filled cylinder body, which is far away from the supercharging cylinder body; the liquid-filled piston rod is connected with the outer cylinder cover in a sliding mode and extends into the oil-filled cylinder body.
5. The cable hydrostatic setting tool of claim 4,
the outer cylinder cover is provided with an outer oil filling hole which penetrates through the outer cylinder cover and is communicated with the oil filling cylinder body; the liquid filling piston rod comprises a liquid filling rod piece and an oil pressing plug head, the liquid filling rod piece is connected with the outer cylinder cover in a sliding mode and extends into the oil filling cylinder body, and the oil pressing plug head is fixedly connected with the liquid filling rod piece, is connected with the oil filling cylinder body in a sliding mode and is arranged in the oil filling cylinder body.
6. The cable hydrostatic setting tool of claim 3,
the middle cylinder body is also provided with a lateral oil inlet and outlet hole which penetrates through the middle cylinder body and is respectively communicated with the connecting oil pipe and the plug matching hole.
7. The cable hydrostatic setting tool of claim 1,
an oil passing gap is formed between the transparent cover and the pressurizing piston rod and is communicated with the inside of the pressurizing cylinder body; the transparent cover is provided with a connecting hole which is communicated with the oil passing gap and communicated with the connecting oil pipe.
8. The cable hydrostatic setting tool of claim 2,
the sealing assembly comprises a bottom sealing sleeve and a sealing sleeve cover, and the bottom sealing sleeve is fixedly connected with the transparent cover and sleeved on the outer side of the piston rod body; the sealing sleeve cover is arranged between the bottom sealing sleeve and the piston rod body and is in sliding connection with the piston rod body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210169005.1A CN114483673A (en) | 2022-02-23 | 2022-02-23 | Cable type static pressure seat sealing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210169005.1A CN114483673A (en) | 2022-02-23 | 2022-02-23 | Cable type static pressure seat sealing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114483673A true CN114483673A (en) | 2022-05-13 |
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ID=81485194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210169005.1A Pending CN114483673A (en) | 2022-02-23 | 2022-02-23 | Cable type static pressure seat sealing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114483673A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2521025Y (en) * | 2001-04-10 | 2002-11-20 | 陈循理 | Mould clamping and demoulding dynamic apparatus |
| JP2003056503A (en) * | 2001-08-20 | 2003-02-26 | Nishi Nippon Plant Kogyo Kk | Booster cylinder |
| JP2008133858A (en) * | 2006-11-27 | 2008-06-12 | Toyooki Kogyo Co Ltd | Hydraulic cylinder with booster |
| CN105465062A (en) * | 2015-11-19 | 2016-04-06 | 北京美高科技发展有限公司 | Cable type static-pressure setting tool |
| CN112303044A (en) * | 2020-11-03 | 2021-02-02 | 江苏维达机械有限公司 | Pressurizing oil cylinder |
-
2022
- 2022-02-23 CN CN202210169005.1A patent/CN114483673A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2521025Y (en) * | 2001-04-10 | 2002-11-20 | 陈循理 | Mould clamping and demoulding dynamic apparatus |
| JP2003056503A (en) * | 2001-08-20 | 2003-02-26 | Nishi Nippon Plant Kogyo Kk | Booster cylinder |
| JP2008133858A (en) * | 2006-11-27 | 2008-06-12 | Toyooki Kogyo Co Ltd | Hydraulic cylinder with booster |
| CN105465062A (en) * | 2015-11-19 | 2016-04-06 | 北京美高科技发展有限公司 | Cable type static-pressure setting tool |
| CN112303044A (en) * | 2020-11-03 | 2021-02-02 | 江苏维达机械有限公司 | Pressurizing oil cylinder |
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