CN109798269B - Supercharging device and pressure test system - Google Patents

Supercharging device and pressure test system Download PDF

Info

Publication number
CN109798269B
CN109798269B CN201810864171.7A CN201810864171A CN109798269B CN 109798269 B CN109798269 B CN 109798269B CN 201810864171 A CN201810864171 A CN 201810864171A CN 109798269 B CN109798269 B CN 109798269B
Authority
CN
China
Prior art keywords
pressure
section
flow path
cavity section
supercharging device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201810864171.7A
Other languages
Chinese (zh)
Other versions
CN109798269A (en
Inventor
刘海龙
韩光耀
谢斌
孙新
张勇
王柳斌
娜拉
李德龙
努尔买买提·艾买提江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Petrochina Co Ltd
Original Assignee
Petrochina Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Petrochina Co Ltd filed Critical Petrochina Co Ltd
Priority to CN201810864171.7A priority Critical patent/CN109798269B/en
Publication of CN109798269A publication Critical patent/CN109798269A/en
Application granted granted Critical
Publication of CN109798269B publication Critical patent/CN109798269B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Actuator (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

The invention provides a supercharging device and a pressure test system, wherein the supercharging device comprises: the cylinder sleeve assembly is provided with a pressure test through cavity, and the pressure test through cavity comprises a low-pressure cavity section, an installation cavity section and a high-pressure cavity section which are communicated; the cylinder liner subassembly includes: the upper cylinder sleeve is provided with an installation cavity section and a high-pressure cavity section; the pressure test joint is detachably connected to the first end of the upper cylinder sleeve and is provided with a pressure input flow path, and at least one part of the pressure input flow path forms a low-pressure cavity section; the lower cylinder sleeve is detachably connected to the upper cylinder sleeve and is provided with a pressure output flow path communicated with the high-pressure cavity section; the upper cylinder sleeve is provided with a buffering dismounting through hole, the buffering dismounting through hole is communicated with the installation cavity section, the buffering dismounting through holes are multiple, and the multiple buffering dismounting through holes are arranged around the circumferential interval of the upper cylinder sleeve. The invention solves the problem that the cylinder sleeve component of the supercharging device in the prior art is not easy to disassemble and assemble, so that the supercharging device is poor in use convenience.

Description

Supercharging device and pressure test system
Technical Field
The invention relates to the field of high-pressure test equipment of an oil field downhole tool, in particular to a supercharging device and a pressure test system.
Background
The oil field downhole tool needs to be subjected to an indoor pressure test before formal use so as to ensure the reliability of the oil field downhole tool in later work. In the prior art, a supercharging device is generally used for carrying out indoor pressure test on an oil field downhole tool.
In the long-term use process of the supercharging device, the supercharging device needs to be frequently disassembled for maintenance to ensure stable use, and the cylinder sleeve component of the conventional supercharging device has the defect of difficult disassembly and assembly, so that the use convenience of the supercharging device is influenced.
Disclosure of Invention
The invention mainly aims to provide a supercharging device and a pressure test system, and aims to solve the problem that a cylinder sleeve assembly of the supercharging device in the prior art is not easy to disassemble and assemble, so that the supercharging device is poor in use convenience.
In order to achieve the above object, according to one aspect of the present invention, there is provided a supercharging apparatus including: the cylinder sleeve component is provided with a pressure test through cavity, and the pressure test through cavity comprises a low-pressure cavity section, an installation cavity section and a high-pressure cavity section which are communicated, wherein the cross sectional area of the installation cavity section is larger than that of the low-pressure cavity section and that of the high-pressure cavity section, and the cross sectional area of the low-pressure cavity section is larger than that of the high-pressure cavity section; the cylinder liner subassembly includes: the upper cylinder sleeve is provided with an installation cavity section and a high-pressure cavity section; the pressure test joint is detachably connected to the first end of the upper cylinder sleeve and is provided with a pressure input flow path communicated with the installation cavity section, and at least one part of the pressure input flow path forms a low-pressure cavity section; the lower cylinder sleeve is detachably connected to the second end of the upper cylinder sleeve, and the lower cylinder sleeve is provided with a pressure output flow path communicated with the high-pressure cavity section; the upper cylinder sleeve is provided with a buffering dismounting through hole, the buffering dismounting through hole is communicated with the installation cavity section, the buffering dismounting through holes are multiple, and the multiple buffering dismounting through holes are arranged around the circumferential interval of the upper cylinder sleeve.
Furthermore, the supercharging device also comprises a transmission piston, the transmission piston is slidably arranged in the pressure test through cavity and divides the pressure test through cavity, one part of the transmission piston is positioned in the installation cavity section, and the other part of the transmission piston extends into the high-pressure cavity section, so that the area of a first transmission surface of the transmission piston, facing one side of the low-pressure cavity section, is larger than the area of a second transmission surface of the transmission piston, facing away from one side of the low-pressure cavity section.
Further, the cross-sectional area of the pressure input flow path decreases in a direction away from the mounting cavity section.
Further, the pressure input flow path comprises a pressure application flow path section, a first variable flow path section and an inlet flow path section which are communicated with each other along the direction far away from the installation cavity section, wherein the pressure application flow path section forms a low-pressure cavity section.
Further, the cross-sectional area of the pressure output flow path decreases in a direction away from the high pressure cavity section.
Further, the pressure output flow path comprises a second variable flow path section and an outlet flow path section which are communicated in the direction away from the high-pressure cavity section.
Furthermore, the pressure test joint is in threaded connection with the upper cylinder sleeve, and the lower cylinder sleeve is in threaded connection with the upper cylinder sleeve.
Furthermore, the transmission piston has a weight-reducing blind hole, and the weight-reducing blind hole is formed in the first transmission surface.
Further, the transmission piston comprises an input transmission column section, a contact column section and an output transmission column section which are connected along the direction far away from the low-pressure cavity section, wherein the contact column section is in contact with the inner wall surface of the cylinder sleeve assembly located at the installation cavity section, the cross-sectional area of the input transmission column section is smaller than that of the contact column section so as to form an annular cavity with the inner wall surface of the cylinder sleeve assembly, and the output transmission column section extends into the high-pressure cavity section from the installation cavity section.
Furthermore, a flow guide groove is formed in the first transmission surface and communicated with the annular cavity.
According to another aspect of the present invention, there is provided a pressure test system comprising: a pressure test device; the pressure test pipeline is communicated with the pressure test equipment; and the supercharging device is arranged on the pressure test pipeline and is the supercharging device.
By applying the technical scheme of the invention, the cylinder sleeve assembly has a reasonable structure, and the low-pressure cavity section, the installation cavity section and the high-pressure cavity section with different cross-sectional areas are ingeniously formed by splicing the upper cylinder sleeve, the pressure test joint and the lower cylinder sleeve, so that the liquid pressure is successfully and effectively amplified in the transmission process, and the pressure test requirement is further met. Moreover, utilize a plurality of circumference intervals around last cylinder liner of seting up on the upper cylinder liner to set up and all dismantle the through-hole with the buffering of installation chamber section intercommunication, not only be favorable to installing the gas in the chamber section and dismantle the through-hole through the buffering and discharge the external world smoothly, make supercharging device carry out power transmission steadily, operating personnel can also dismantle the through-hole and twist the upper cylinder liner soon through will twisting the instrument and insert a plurality of cushions in proper order, thereby be convenient for go up cylinder liner and lower cylinder liner's dismantlement and assembly, supercharging device's convenience in use has been promoted.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 illustrates a schematic structural view of a supercharging arrangement in accordance with an alternative embodiment of the present invention;
FIG. 2 shows a schematic cross-sectional view of the boosting device of FIG. 1;
fig. 3 shows a schematic cross-sectional view of the transmission piston of the supercharging device in fig. 1.
Wherein the figures include the following reference numerals:
10. a cylinder liner assembly; 11. a pressure test is carried out to open the cavity; 111. a low pressure chamber section; 112. installing a cavity section; 113. a high pressure chamber section; 12. an upper cylinder sleeve; 121. buffering the disassembly through hole; 13. a pressure test joint; 131. a pressure input flow path; 132. a pressurized flow section; 133. a first variable runoff section; 134. an inlet flow path section; 14. a lower cylinder liner; 141. a pressure output flow path; 142. a second variable runoff section; 143. an outlet flow section; 20. a drive piston; 21. a first drive face; 211. a diversion trench; 22. a second transmission surface; 23. a weight-reducing blind hole; 24. inputting a transmission column section; 25. a contact column section; 26. an output drive column section; 30. and (4) an annular cavity.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to solve the problem that a cylinder sleeve assembly of a supercharging device in the prior art is not easy to disassemble and assemble, and the using convenience of the supercharging device is poor, the invention provides the supercharging device and a pressure testing system, wherein the pressure testing system comprises pressure testing equipment, a pressure testing pipeline and the supercharging device, the pressure testing pipeline is communicated with the pressure testing equipment, the supercharging device is arranged on the pressure testing pipeline, and the supercharging device is the supercharging device.
As shown in fig. 1 and 2, the supercharging device comprises a cylinder sleeve assembly 10 and a transmission piston 20, the cylinder sleeve assembly 10 is provided with a pressure test through cavity 11, and the pressure test through cavity 11 comprises a low pressure cavity section 111, an installation cavity section 112 and a high pressure cavity section 113 which are communicated with each other, wherein the cross-sectional area of the installation cavity section 112 is larger than that of the low pressure cavity section 111 and that of the high pressure cavity section 113, and the cross-sectional area of the low pressure cavity section 111 is larger than that of the high pressure cavity section 113; the transmission piston 20 is slidably arranged in the pressure test through cavity 11 and divides the pressure test through cavity 11, one part of the transmission piston 20 is positioned in the installation cavity section 112, and the other part of the transmission piston 20 extends into the high pressure cavity section 113, so that the area of a first transmission surface 21 of the transmission piston 20 facing to the side of the low pressure cavity section 111 is larger than the area of a second transmission surface 22 of the transmission piston 20 facing away from the side of the low pressure cavity section 111.
Because the cross-sectional area of the installation cavity section 112 of the pressure test through cavity 11 of the cylinder sleeve assembly 10 is larger than the cross-sectional areas of the low-pressure cavity section 111 and the high-pressure cavity section 113, the cross-sectional area of the low-pressure cavity section 111 is larger than the cross-sectional area of the high-pressure cavity section 113; one part of the transmission piston 20 is positioned in the installation cavity section 112, and the other part of the transmission piston 20 extends into the high-pressure cavity section 113; therefore, the area of the first transmission surface 21, facing to the low-pressure cavity section 111 side, of the transmission piston 20 is effectively ensured to be larger than the area of the second transmission surface 22, facing away from the low-pressure cavity section 111 side, of the transmission piston 20, according to the Pascal principle, the fact that the liquid pressure in the high-pressure cavity section 113 is larger than the liquid pressure in the low-pressure cavity section 111 is reliably ensured, the pressurization effect is achieved, the amplification of the pressure generated by the pressure testing equipment of the pressure testing system is achieved, the final pressure output of the pressure testing system is improved, and the practicability of the pressure testing system is improved.
In addition, use supercharging device of this application can also reduce the rank requirement to pressure testing equipment, reduces the experimental risk of pressure testing simultaneously, shortens the experimental time of pressure testing.
It should be noted that, in the embodiment of the present application, a liquid pressure transmission medium is provided in the low pressure chamber section 111 and the high pressure chamber section 113, which has good pressure transmission performance, but the pressure transmission medium is not limited to liquid, and gas can be applied to the pressurizing device of the present application.
As shown in fig. 2, the cylinder liner assembly 10 includes an upper cylinder liner 12, a pressure test connector 13, and a lower cylinder liner 14, the upper cylinder liner 12 having an installation cavity section 112 and a high pressure cavity section 113, the pressure test connector 13 being detachably connected to a first end of the upper cylinder liner 12, the pressure test connector 13 having a pressure input flow path 131 communicating with the installation cavity section 112, at least a portion of the pressure input flow path 131 forming a low pressure cavity section 111, the lower cylinder liner 14 being detachably connected to a second end of the upper cylinder liner 12, the lower cylinder liner 14 having a pressure output flow path 141 communicating with the high pressure cavity section 113. The cylinder sleeve assembly 10 is reasonable in structure, and the low-pressure cavity section 111, the mounting cavity section 112 and the high-pressure cavity section 113 with different cross-sectional areas are ingeniously formed by splicing the upper cylinder sleeve 12, the pressure test joint 13 and the lower cylinder sleeve 14, so that the liquid pressure is successfully amplified effectively in the transmission process, and the pressure test requirement is met.
As shown in fig. 2, the upper cylinder sleeve 12 is provided with a buffering dismounting through hole 121, and the buffering dismounting through hole 121 is communicated with the mounting cavity section 112. The provision of the buffer removal through-hole 121 facilitates the smooth discharge of the gas in the portion of the installation chamber section 112 partitioned by the transmission piston 20 close to the high pressure chamber section 113 to the outside through the buffer removal through-hole 121 when the transmission piston 20 is driven to move by the liquid from the pressure input flow path 131, thereby avoiding the obstruction of the movement of the transmission piston 20.
Alternatively, the buffer removal through-holes 121 are plural, and the plural buffer removal through-holes 121 are provided at intervals around the circumferential direction of the upper cylinder liner 12. Thus, the gas in the installation cavity section 112 can be smoothly discharged to the outside through the buffer disassembly through holes 121, so that the power transmission of the supercharging device is stably carried out, and an operator can also sequentially insert the screwing tool into the plurality of buffer disassembly through holes 121 to screw the upper cylinder sleeve 12, so that the upper cylinder sleeve 12 and the lower cylinder sleeve 14 can be conveniently disassembled and assembled, the internal elements of the cylinder sleeve assembly 10 can be conveniently overhauled and maintained, and the use convenience of the supercharging device is improved.
Preferably, the plurality of cushion release through-holes 121 are provided at equal intervals around the circumferential direction of the upper cylinder liner 12.
Optionally, the cross-sectional area of the pressure input flow path 131 decreases in a direction away from the mounting cavity segment 112. Facilitating the entry of liquid into the pressure input flow path 131 and efficient storage within the pressure input flow path 131.
In the embodiment shown in fig. 2 of the present application, the pressure input flow path 131 includes a pressure application flow path segment 132, a first variable flow path segment 133 and an inlet flow path segment 134 in communication in a direction away from the mounting chamber segment 112, wherein the pressure application flow path segment 132 forms the low pressure chamber segment 111. In this way, liquid pressure medium can pass through the inlet flow section 134 and the first variable flow section 133 in order into the pressure application flow section 132 to interact with the transmission piston 20.
Optionally, the cross-sectional area of the pressure output flow path 141 decreases in a direction away from the high pressure chamber section 113. In this way, the liquid pressure amplified by the pressure increasing device is favorably transmitted to the outside smoothly, and a sufficiently large output pressure can be ensured at the outlet of the pressure output flow path 141.
In the embodiment illustrated in FIG. 2 of the present application, the pressure output flow path 141 includes a second variable flow path segment 142 and an outlet flow path segment 143 in communication in a direction away from the high pressure chamber segment 113. Thus, under the driving action of the transmission piston 20, the liquid pressure medium can sequentially pass through the second variable flow path section 142 and the outlet flow path section 143 to move outwards, and the liquid in the outlet flow path section 143 can be output in a large pressure state due to the continuously reduced cross-sectional area of the pressure output flow path 141.
Optionally, in order to improve the assembly convenience of the cylinder liner assembly 10 and facilitate the maintenance of various structural elements of the supercharging device, the pressure test connector 13 is in threaded connection with the upper cylinder liner 12, and the lower cylinder liner 14 is in threaded connection with the upper cylinder liner 12.
As shown in fig. 2 and 3, the transmission piston 20 has a weight-reducing blind bore 23, the weight-reducing blind bore 23 opening onto the first transmission face 21. The transmission piston 20 with the structure is more convenient to move under the driving of the liquid pressure, so that the use convenience of the supercharging device is improved.
Specifically, in the present embodiment, as shown in fig. 3, the transmission piston 20 includes an input transmission column section 24, a contact column section 25 and an output transmission column section 26 connected in a direction away from the low pressure chamber section 111, wherein the contact column section 25 contacts an inner wall surface of the cylinder liner assembly 10 at the mounting chamber section 112, the cross-sectional area of the input transmission column section 24 is smaller than that of the contact column section 25 to form the annular chamber 30 with the inner wall surface of the cylinder liner assembly 10, and the output transmission column section 26 extends from the mounting chamber section 112 into the high pressure chamber section 113. The drive piston 20 is of such a configuration that the cross-sectional area of the input drive leg 24 is smaller than the cross-sectional area of the contact leg 25, so that at the instant when the drive piston 20 moves from the position abutting the first drive face 21 to the side of the high pressure chamber section 113, liquid in the low pressure chamber section 111 can enter the annulus 30, thereby ensuring sufficient contact area with the drive piston 20.
As shown in fig. 3, the first transmission surface 21 is provided with a guiding groove 211, and the guiding groove 211 is communicated with the annular cavity 30. Thus, before the transmission piston 20 is in a position of being abutted with the first transmission surface 21 and is not moved, the liquid in the low-pressure cavity section 111 can enter the annular cavity 30 through the guide grooves 211, so that the transmission piston 20 is ensured to have enough contact area with the liquid during initial movement, and the reliability of amplification of the liquid pressure in the transmission process is improved.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (11)

1. A supercharging arrangement, comprising:
the cylinder sleeve assembly (10) is provided with a pressure test through cavity (11), the pressure test through cavity (11) comprises a low-pressure cavity section (111), an installation cavity section (112) and a high-pressure cavity section (113) which are communicated, wherein the cross-sectional area of the installation cavity section (112) is larger than that of the low-pressure cavity section (111) and the high-pressure cavity section (113), and the cross-sectional area of the low-pressure cavity section (111) is larger than that of the high-pressure cavity section (113);
the cylinder liner assembly (10) includes: an upper cylinder liner (12), the upper cylinder liner (12) having the mounting cavity section (112) and the high pressure cavity section (113);
a pressure test fitting (13), the pressure test fitting (13) being removably connected to a first end of the upper cylinder casing (12), the pressure test fitting (13) having a pressure input flow path (131) in communication with the mounting cavity section (112), at least a portion of the pressure input flow path (131) forming the low pressure cavity section (111);
the lower cylinder sleeve (14), the lower cylinder sleeve (14) is detachably connected to the second end of the upper cylinder sleeve (12), and the lower cylinder sleeve (14) is provided with a pressure output flow path (141) communicated with the high-pressure cavity section (113);
go up and seted up buffering dismantlement through-hole (121) on cylinder liner (12), buffering dismantlement through-hole (121) with installation chamber section (112) intercommunication, just buffering dismantlement through-hole (121) are a plurality of, a plurality of buffering dismantlement through-holes (121) are around the circumference interval setting of going up cylinder liner (12).
2. Supercharging device according to claim 1, characterized in that it further comprises a transmission piston (20), which transmission piston (20) is slidably arranged in the pressure test passage chamber (11) and divides the pressure test passage chamber (11), a part of the transmission piston (20) being located in the installation chamber section (112) and another part of the transmission piston (20) projecting into the high-pressure chamber section (113) such that the area of a first transmission surface (21) of the transmission piston (20) on the side facing the low-pressure chamber section (111) is greater than the area of a second transmission surface (22) of the transmission piston (20) on the side facing away from the low-pressure chamber section (111).
3. Supercharging device according to claim 1, characterized in that the cross-sectional area of the pressure input flow path (131) decreases in a direction away from the mounting chamber section (112).
4. Supercharging device according to claim 3, characterized in that the pressure input flow path (131) comprises a pressure application flow path section (132), a first variable flow path section (133) and an inlet flow path section (134) which communicate in a direction away from the installation chamber section (112), wherein the pressure application flow path section (132) forms the low-pressure chamber section (111).
5. Supercharging device according to claim 1, characterized in that the cross-sectional area of the pressure output flow path (141) decreases in a direction away from the high-pressure chamber section (113).
6. Supercharging device according to claim 5, characterized in that the pressure outlet flow path (141) comprises a second variable flow path section (142) and an outlet flow path section (143) which communicate in a direction away from the high-pressure chamber section (113).
7. The supercharging device as claimed in claim 1, characterized in that the pressure test connection (13) is in threaded connection with the upper cylinder jacket (12), and the lower cylinder jacket (14) is in threaded connection with the upper cylinder jacket (12).
8. Supercharging device according to claim 2, characterized in that the transmission piston (20) has a weight-reducing blind hole (23), which weight-reducing blind hole (23) opens onto the first transmission face (21).
9. Supercharging device according to claim 2, characterized in that the transmission piston (20) comprises an input transmission column section (24), a contact column section (25) and an output transmission column section (26) which are connected in a direction away from the low-pressure chamber section (111), wherein the contact column section (25) is in contact with an inner wall surface of the cylinder jacket assembly (10) at the mounting chamber section (112), the cross-sectional area of the input transmission column section (24) is smaller than the cross-sectional area of the contact column section (25) to form an annular chamber (30) with the inner wall surface of the cylinder jacket assembly (10), and the output transmission column section (26) protrudes from the mounting chamber section (112) into the high-pressure chamber section (113).
10. Supercharging device according to claim 9, characterized in that the first drive surface (21) has guide grooves (211) formed therein, the guide grooves (211) communicating with the annular chamber (30).
11. A pressure testing system, comprising:
a pressure test device;
a pressure test pipeline in communication with the pressure test equipment;
a pressure boosting device provided on the pressure test line, the pressure boosting device being the pressure boosting device according to any one of claims 1 to 10.
CN201810864171.7A 2018-08-01 2018-08-01 Supercharging device and pressure test system Active CN109798269B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810864171.7A CN109798269B (en) 2018-08-01 2018-08-01 Supercharging device and pressure test system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810864171.7A CN109798269B (en) 2018-08-01 2018-08-01 Supercharging device and pressure test system

Publications (2)

Publication Number Publication Date
CN109798269A CN109798269A (en) 2019-05-24
CN109798269B true CN109798269B (en) 2020-10-09

Family

ID=66556204

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810864171.7A Active CN109798269B (en) 2018-08-01 2018-08-01 Supercharging device and pressure test system

Country Status (1)

Country Link
CN (1) CN109798269B (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1515471A (en) * 1967-03-20 1968-03-01 Oil-pneumatic or hydro-pneumatic two-pressure multiplier
CN201335760Y (en) * 2009-01-05 2009-10-28 王富涛 Pressure testing and pressure increasing device of blowout preventer
CN201902190U (en) * 2010-12-22 2011-07-20 中国石油天然气集团公司 Blowout prevention pressure testing device
CN104100581B (en) * 2014-07-31 2018-08-28 巴鲁军 Pressurized cylinder and pressure testing supercharging device
CN105372134B (en) * 2015-12-09 2017-11-24 中国重型机械研究院股份公司 A kind of pressure charging system integrated form steel pipe hydrostatic tester filling device
JP6572872B2 (en) * 2016-11-22 2019-09-11 Smc株式会社 Booster
CN109799141B (en) * 2018-05-08 2021-08-27 中国石油天然气股份有限公司 Supercharging device and pressure test system

Also Published As

Publication number Publication date
CN109798269A (en) 2019-05-24

Similar Documents

Publication Publication Date Title
CN105050773B (en) Hydraulic hammer with impact system sub-component
CN103737408B (en) A kind of high speed direct-connected main shaft
WO2007113753A3 (en) Well servicing methods and systems
WO2018085740A3 (en) Pressure exchanger with pressure ratio
EP1669605A3 (en) Assembly and method for preloading a cylinder liner and cylinder liner cartridge assembly
US20110030213A1 (en) Hydraulic installation tool for pump plunger
CN1375641A (en) Electrohydraulic control apparatus
CN209110251U (en) A kind of sawtooth pattern chip breaking drill gun
US10895270B2 (en) Hydraulic actuator with pressure amplifier
CN109798269B (en) Supercharging device and pressure test system
RU2465435C1 (en) Device for sealing casing string
CN109799141B (en) Supercharging device and pressure test system
CN103111833B (en) Assembly and disassembly tool for clamping-pressing type mechanical connector
US9890608B2 (en) Mechanical shaft coupling for fluid system connections
US10788061B2 (en) Hydraulic actuator with cartridge pressure amplifier
US9616535B2 (en) Positioning device and positoning method using the same
JP2007092943A (en) Hydraulic cylinder drive device
CN111198058B (en) Pushing force testing device
EP3247868B1 (en) Apparatus for switching off and deviating a circulating liquid flow without water hammering
CN111622710B (en) High-pressure activation pressure guide mechanism of sliding sleeve tool and use method
CN215761609U (en) Pressure tapping and air discharging device for hydraulic control pipeline
CN220540008U (en) Manual release structure of electric hydraulic push rod
CN219170786U (en) Assembly fixture and pin shaft assembly
CN216278502U (en) Micro-oil rotary-vane type vacuumizing device
CN217897846U (en) Stepping type time-delay toe end sliding sleeve

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant