CN106609796B - Reducing support ring and shaft hole matching structure - Google Patents
Reducing support ring and shaft hole matching structure Download PDFInfo
- Publication number
- CN106609796B CN106609796B CN201710115781.2A CN201710115781A CN106609796B CN 106609796 B CN106609796 B CN 106609796B CN 201710115781 A CN201710115781 A CN 201710115781A CN 106609796 B CN106609796 B CN 106609796B
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- Prior art keywords
- ring
- reducing
- circumferential
- support
- cambridge
- 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.)
- Expired - Fee Related
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- 230000009471 action Effects 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 claims description 30
- 230000013011 mating Effects 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 238000004513 sizing Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention relates to the field of mechanical matching structures, aims to solve the problem that shafts and hole pieces with different basic sizes cannot be matched in the prior art, and provides a reducing support ring and a shaft hole matching structure with the reducing support ring. The reducing support ring comprises an outer reducing ring, a circumferential support piece and an inner reducing ring. The outer reducing ring and the inner reducing ring are both provided with elastic rings which are cut along the axial direction. The circumferential support is a spring. The inner diameter-changing ring radially and outwardly compresses the inner circumferential surface of the circumferential support member under the action of the elasticity of the inner diameter-changing ring, and the outer diameter-changing ring radially and inwardly compresses the outer circumferential surface of the circumferential support member under the action of the elasticity of the outer diameter-changing ring. The invention has the advantages that the invention can be matched with and support shaft pieces or hole pieces with different diameters, so that the shaft pieces and the space in a certain range can be matched with each other, and the assembly is convenient and easy.
Description
Technical field
The present invention relates to mechanical engagement construction applications, in particular to a kind of reducing support ring.The invention further relates to one
Kind has the shaft hole matching structure of the reducing support ring.
Background technology
Shaft hole matching is common mechanical cooperation, very common in existing mechanical structure.In the prior art, base
The unequal shaft member of this size and orifice can not generally be connected, and in other words, the axis of same size can not be adapted to a variety of
The hole of size.
Invention content
The present invention is intended to provide a kind of reducing support ring, to solve shaft member and the hole of different basic sizes in the prior art
Part cannot achieve the problem of cooperation.
Another object of the present invention is to provide a kind of shaft hole matching structures having above-mentioned reducing support ring.
What the embodiment of the present invention was realized in：
A kind of reducing support ring comprising outer reducing ring, circumferential support element and interior reducing ring.Outer reducing ring and interior reducing
Ring all has the elastic ring of notch in an axial direction.Circumferential support element is spring.Interior reducing ring edge under the action of its own elasticity
The inner peripheral surface of circumferential support element is radially outward compressed, outer reducing ring compresses circumferential radially inward under the action of its own elasticity
The peripheral surface of support element.
The present embodiment does circumferential support element using spring, high using the circumferential enabling capabilities of spring, all when by radial load
To diametrically stable characteristic, the outer reducing ring for being matched with its periphery and the interior reducing ring for being matched with its inner circumferential are supported, with
The stretching degree for determining outer reducing ring and interior reducing ring, be also assured that outer reducing ring outer circumference diameter and interior reducing ring it is interior
All sizes, to coordinate the shaft member and orifice of some size.
It, can be by circumferentially reversing circumferential support element, to adjust when needing to coordinate various sizes of shaft member and/or orifice
Its circumferential diameter.When circumferential support element variation, outer reducing ring and interior reducing ring are reduced or are opened under the elastic force of its own respectively
Greatly, to continue to be adjacent to circumferential support element, thus change the outer circumference diameter of the diameter and outer reducing ring of the inner peripheral surface of interior reducing ring, with
Realize the effect of the shaft member and orifice of cooperation different-diameter.Simultaneously because the inner circumferential size and peripheral dimension of reducing support ring can
Become, therefore the cooperation of axis hole can be realized easily, exert oneself without larger assembly.
Further：
It is the mating surface of the truncated cone-shaped of big end that one end of the inner peripheral surface of interior reducing ring, which has opening,.Reducing support ring is also wrapped
Include cambridge ring.The peripheral surface of cambridge ring has the supporting surface of the truncated cone-shaped coordinated with mating surface.The inner peripheral surface of cambridge ring is sizing
Cylindrical surface.Cambridge ring can be along its axial movement.
Further：
The both ends of the inner peripheral surface of interior reducing ring are respectively provided with the mating surface for the truncated cone-shaped that opening is big end.Reducing support ring
Further include two cambridge rings.The peripheral surface of two cambridge rings has the supporting surface of the truncated cone-shaped coordinated with two mating surfaces.Wedge shape
The inner peripheral surface of ring is sizing cylindrical surface.Cambridge ring can be along its axial movement.
Further：
Two cambridge rings are bolted together by a connection, and can by connect bolt adjust two cambridge rings it
Between spacing.
Further：
Circumferential support element is Rectangular Spring.
Further：
Circumferential support element is the spring of circular cross-section.
Further：
Reducing support ring further includes regulating mechanism.Circumferential support element has opposite first end and second end, circumferential to support
The first end of part is fixedly installed, and second end is fixedly connected with regulating mechanism, and regulating mechanism can drive the second of circumferential support element
End rotates to adjust the number of turns of circumferential support element.
Further：
Regulating mechanism includes the rotation seat for being fixedly connected on interior reducing ring end face, be rotatably assorted in rotation seat shaft and
It is fixed on the gear of shaft.The end face of the second end of circumferentially fixed part is provided with the tooth engaged with gear.
Further：
The second end of circumferential support element is fixedly connected on interior reducing ring and outer reducing ring by marking closely screw.
A kind of shaft hole matching structure comprising shaft member, orifice and reducing support ring above-mentioned.The support cooperation of reducing support ring
Between shaft member and orifice.
Due to having above-mentioned reducing support ring, being likewise supplied with above-mentioned has for shaft hole matching device in the present embodiment
Beneficial effect.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of the shaft hole matching structure in the embodiment of the present invention one；
Fig. 2 is the structural schematic diagram of the reducing support ring in Fig. 1；
Fig. 3 is the three-dimensional view of the outer reducing ring in Fig. 2；
Fig. 4 is the three-dimensional view of the interior reducing ring in Fig. 2；
Fig. 5 is the structural schematic diagram of the shaft hole matching structure in the embodiment of the present invention two；
Fig. 6 is the explosive view of the reducing support ring in Fig. 5.
Icon：001- shaft hole matching structures；002- shaft hole matching structures；010- reducing support rings；020- reducing support rings；
The outer reducing rings of 100-；200- circumferential direction support elements；Reducing ring in 300-；400- cambridge rings；500- regulating mechanisms；501- rotation seats；
502- shafts；503- gears；800- shaft member；900- orifice；D1- first ends；D2- second ends；J1- connection bolts；J2- marks closely spiral shell
Nail；P1- mating surfaces；P2- supporting surfaces；T1- notch；T2- notch.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without making creative work belongs to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it should be noted that if occur term "center", "upper", "lower", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings,
Either the invention product using when the orientation or positional relationship usually put, be merely for convenience of the description present invention and simplification retouched
It states, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.If only being used in addition, occurring term " first ", " second " etc. in description of the invention
It is described in distinguishing, is not understood to indicate or imply relative importance.
If being not offered as requiring component absolute in addition, occurring the terms such as term "horizontal", "vertical" in description of the invention
Horizontal or pendency, but can be slightly tilted.If "horizontal" refers to only that its direction is more horizontal with respect to for "vertical", not
It is to indicate that the structure is had to fully horizontally, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, if there is term
" setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, and can also be detachably to connect for example, it may be being fixedly connected
It connects, or is integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
Embodiment one
Fig. 1 is the structural schematic diagram of the shaft hole matching structure 001 in the embodiment of the present invention one.Refer to Fig. 1, the present embodiment
In shaft hole matching structure 001 include shaft member 800, orifice 900 and reducing support ring 010.The support of reducing support ring 010 is matched with
Between shaft member 800 and orifice 900.
Fig. 2 is the structural schematic diagram of the reducing support ring 010 in Fig. 1；Fig. 3 is the stereopsis of the outer reducing ring 100 in Fig. 2
Figure；Fig. 4 is the three-dimensional view of the interior reducing ring 300 in Fig. 2.Fig. 2 is referred to, the reducing support ring 010 in the present embodiment includes
Outer reducing ring 100, circumferential support element 200 and interior reducing ring 300.Outer reducing ring 100, which is peripheral wall, has notch T1 in an axial direction
Elastic ring (cooperation is referring to Fig. 3).Interior reducing ring 300 is peripheral wall, and there is the elastic ring of notch T2 in an axial direction (to coordinate referring to figure
4).Circumferential support element 200 is spring.Optionally, circumferential support element 200 can be Rectangular Spring or the spring of circular cross-section.It is interior
Reducing ring 300 radially compresses the inner peripheral surface of circumferential support element 200, outer reducing ring 100 under the action of its own elasticity
Compress the peripheral surface of circumferential support element 200 radially inward under the action of its own elasticity.
The elastic force for generally utilizing it axial using spring in existing structure.Inventor it has been investigated that, spring have pole
High circumferential bearing capacity, i.e., when applying radial load to the periphery of spring, since the cylindrical circumferential surface of spring can should
Radial load is transferred uniformly into everywhere in spring.Although the circumferential diameter of spring can change as a result, it can be difficult to passing through
The mode radially to exert a force changes.On the contrary, can but be made with smaller power when applying circumferential twisting resistance to spring spring into
The circumferential coiling of row.Clearly for a spring, length of run is certain, if therefore the spring the number of turns variation when,
Circumferential diameter is bound to respective change.Therefore, by circumferential torsionspring, its circumferential diameter can be changed.
The present embodiment does circumferential support element 200 using spring, high using the circumferential enabling capabilities of spring, when by radial load
Circumferential diametrically stable characteristic is carried out to being matched with the outer reducing ring 100 of its periphery and being matched with the interior reducing ring 300 of its inner circumferential
Support is also assured that the periphery of outer reducing ring 100 is straight to determine the stretching degree of outer reducing ring 100 and interior reducing ring 300
The inner circumferential size of diameter and interior reducing ring 300, to coordinate the shaft member 800 and orifice 900 of some size.
It, can be by circumferentially reversing circumferential support element when needing to coordinate various sizes of shaft member 800 and/or orifice 900
200, to adjust its circumferential diameter.When circumferential support element 200 changes, outer reducing ring 100 and interior reducing ring 300 are respectively at its own
Elastic force under reduce or magnify, to continue to be adjacent to circumferential support element 200, thus change in reducing ring 300 inner peripheral surface it is straight
The outer circumference diameter of diameter and outer reducing ring 100, to realize the effect of the shaft member 800 and orifice 900 of cooperation different-diameter.Simultaneously because
The inner circumferential size and peripheral dimension of reducing support ring 010 are variable, therefore the cooperation of axis hole can be realized easily, without
Larger assembly is exerted oneself.
Embodiment two
Fig. 5 is the structural schematic diagram of the shaft hole matching structure 002 in the embodiment of the present invention two；Fig. 6 is the reducing branch in Fig. 5
The explosive view of pushing out ring 020.Shaft hole matching structure 002 in the present embodiment with embodiment one the difference is that, this implementation
It is further designed on the basis of reducing support ring 010 of the reducing support ring 020 in embodiment one in example, with suitable
Answer different service conditions.
In the reducing support ring 010 that embodiment one describes, when adjusting circumferential support element 200, outer reducing ring 100 and interior change
The size of diameter ring 300 will change simultaneously, i.e., become larger or become smaller simultaneously simultaneously.This makes the reducing support ring 010 in embodiment one
Applicable situation is when changing simultaneously 800 diameter of shaft member joined together and 900 diameter of orifice.
Fig. 5, Fig. 6 are referred to, one end tool of the inner peripheral surface of the interior reducing ring 300 of the reducing support ring 020 in the present embodiment
It is the mating surface P1 of the truncated cone-shaped of big end to have opening.Reducing support ring 020 further includes cambridge ring 400.The periphery of cambridge ring 400
Face has the supporting surface P2 with the truncated cone-shaped of mating surface P1 cooperations.The inner peripheral surface of cambridge ring 400 is sizing cylindrical surface.Cambridge ring
400 can be along its axial movement.Shaft member 800 is matched with the inner peripheral surface of cambridge ring 400, and orifice 900 is matched with outer reducing ring 100
Peripheral surface.To make 300 both ends uniform stressed of interior reducing ring, further, the both ends of the inner peripheral surface of interior reducing ring 300 are respectively provided with
Opening is the mating surface P1 of the truncated cone-shaped of big end.Reducing support ring 020 further includes two cambridge rings 400.Two cambridge rings 400
Peripheral surface there is the supporting surface P2 with the truncated cone-shaped of two mating surface P1 cooperations.Two cambridge rings 400 pass through a connection bolt
J1 links together, and can be by connecting the spacing between bolt J1 two cambridge rings 400 of adjusting.
The major diameter fit of outer reducing ring 100 is set to compress matching for orifice 900 in use, first passing through and adjusting circumferential support element 200
Hole is closed, then by connecting the spacing between bolt J1 two cambridge rings 400 of adjusting, thus adjusts cambridge ring 400 to interior change
The wedging degree of diameter ring 300 makes the supporting surface P2 of cambridge ring 400 compress the mating surface P1 for supporting interior reducing ring 300.Cambridge ring 400 with
Screw-thread fit is may be configured as between shaft member 800, to facilitate axial-movement and the positioning of cambridge ring 400.It can also be in cambridge ring 400
Outside, which is threaded, is matched with the lock-nut of shaft member 800 with the position of further locking cambridge ring 400, it is ensured that it is by interior reducing
Ring 300 is pressed in circumferential support element 200.It is changed simultaneously different from orifice 900 and shaft member 800 needs joined together in embodiment one
Size, since the inner circumferential of cambridge ring 400 is sizing cylindrical surface in the present embodiment, joined together by the size of shaft member 800 determine, i.e.,
Reducing support ring 020 in the present embodiment is applicable to determine the orifice 900 of the shaft member 800 and different-diameter of diameter.
For convenience of the adjusting of circumferential support element 200, reducing support ring 020 further includes regulating mechanism 500.Circumferential support element
200 there is opposite first end D1 and second end D2, the first end D1 fixed settings of circumferential support element 200, second end D2 to fix
Regulating mechanism 500 is connected, and regulating mechanism 500 can drive the second end D2 of circumferential support element 200 to rotate to adjust
The number of turns of circumferential support element 200.Regulating mechanism 500 includes the rotation seat 501 for being fixedly connected on interior 300 end face of reducing ring, rotation
It is matched with the shaft 502 of rotation seat 501 and is fixed on the gear 503 of shaft 502.The end face of the second end D2 of circumferentially fixed part
It is provided with the tooth engaged with gear 503.The second end D2 of circumferential support element 200 is fixedly connected on interior reducing by marking closely screw J2
Ring 300 and outer reducing ring 100.Shaft 502 can be connected by handle as a result, and the gear 503 for being connected to shaft 502 drives
Circumferential support element 200 does circumferential twisting, to change its circumferential diameter.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of reducing support ring, it is characterised in that：
The reducing support ring includes outer reducing ring, circumferential support element and interior reducing ring；
The outer reducing ring and the interior reducing ring all have the elastic ring of notch in an axial direction；The circumferential direction support element is bullet
Spring；
The interior reducing ring radially compresses the inner peripheral surface of the circumferential support element under the action of its own elasticity, described
Outer reducing ring compresses the peripheral surface of the circumferential support element radially inward under the action of its own elasticity；
It is the mating surface of the truncated cone-shaped of big end that one end of the inner peripheral surface of the interior reducing ring, which has opening,；
The reducing support ring further includes cambridge ring；The peripheral surface of the cambridge ring has the truncated cone-shaped coordinated with the mating surface
Supporting surface；The inner peripheral surface of the cambridge ring is sizing cylindrical surface；
The cambridge ring can be along its axial movement.
2. reducing support ring according to claim 1, it is characterised in that：
The both ends of the inner peripheral surface of the interior reducing ring are respectively provided with the mating surface for the truncated cone-shaped that opening is big end；
The reducing support ring further includes two cambridge rings；The peripheral surface of two cambridge rings has and two mating surfaces
The supporting surface of the truncated cone-shaped of cooperation；The inner peripheral surface of the cambridge ring is sizing cylindrical surface；
The cambridge ring can be along its axial movement.
3. reducing support ring according to claim 2, it is characterised in that：
Two cambridge rings are bolted together by a connection, and can be adjusted described in two by the connection bolt
Spacing between cambridge ring.
4. reducing support ring according to claim 1, it is characterised in that：
The circumferential direction support element is Rectangular Spring.
5. reducing support ring according to claim 1, it is characterised in that：
The circumferential direction support element is the spring of circular cross-section.
6. reducing support ring according to claim 1, it is characterised in that：
The reducing support ring further includes regulating mechanism；
There is the circumferential direction support element opposite first end and second end, the first end of the circumferential direction support element to be fixedly installed, the
Two ends are fixedly connected with the regulating mechanism, and the regulating mechanism can drive the second end of the circumferential support element to do circumferential turn
It moves to adjust the number of turns of the circumferential support element.
7. reducing support ring according to claim 6, it is characterised in that：
The regulating mechanism includes the rotation seat for being fixedly connected on the interior reducing ring end face, is rotatably assorted in the rotation seat
Shaft and the gear for being fixed on the shaft；
The end face of the second end of the circumferentially fixed part is provided with the tooth engaged with the gear.
8. reducing support ring according to claim 6, it is characterised in that：
The second end of the circumferential direction support element is fixedly connected on the interior reducing ring and the outer reducing ring by marking closely screw.
9. a kind of shaft hole matching structure, it is characterised in that：
The shaft hole matching structure includes shaft member, orifice and claim 1-8 any one of them reducing support rings；
The reducing support ring support is matched between the shaft member and the orifice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710115781.2A CN106609796B (en) | 2017-03-01 | 2017-03-01 | Reducing support ring and shaft hole matching structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710115781.2A CN106609796B (en) | 2017-03-01 | 2017-03-01 | Reducing support ring and shaft hole matching structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106609796A CN106609796A (en) | 2017-05-03 |
| CN106609796B true CN106609796B (en) | 2018-10-19 |
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ID=58636516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710115781.2A Expired - Fee Related CN106609796B (en) | 2017-03-01 | 2017-03-01 | Reducing support ring and shaft hole matching structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106609796B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107745360B (en) * | 2017-11-16 | 2023-06-23 | 中南大学 | Method and device for assisting assembly of variable-section spring and guide mandrel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5054555A (en) * | 1990-11-21 | 1991-10-08 | Technical Concepts, Inc. | Tension-actuated mechanical detonating device useful for detonating downhole explosive |
| CN104612624A (en) * | 2015-01-06 | 2015-05-13 | 陈爱民 | Staged fracturing method for degradable bridge plug, timing sliding sleeve, staged fracturing tubular column and strata |
| CN205778731U (en) * | 2016-07-11 | 2016-12-07 | 中国石油化工股份有限公司华东油气分公司泰州采油厂 | A kind of sliding sleeve switch bridging plug |
| CN106437613A (en) * | 2016-09-30 | 2017-02-22 | 陈爱民 | Reducing supporting ring for bridge plug and bridge plug |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009105128A1 (en) * | 2008-02-20 | 2009-08-27 | Baker Hughes Incorporated | Downhole trigger apparatus |
-
2017
- 2017-03-01 CN CN201710115781.2A patent/CN106609796B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5054555A (en) * | 1990-11-21 | 1991-10-08 | Technical Concepts, Inc. | Tension-actuated mechanical detonating device useful for detonating downhole explosive |
| CN104612624A (en) * | 2015-01-06 | 2015-05-13 | 陈爱民 | Staged fracturing method for degradable bridge plug, timing sliding sleeve, staged fracturing tubular column and strata |
| CN205778731U (en) * | 2016-07-11 | 2016-12-07 | 中国石油化工股份有限公司华东油气分公司泰州采油厂 | A kind of sliding sleeve switch bridging plug |
| CN106437613A (en) * | 2016-09-30 | 2017-02-22 | 陈爱民 | Reducing supporting ring for bridge plug and bridge plug |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106609796A (en) | 2017-05-03 |
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Granted publication date: 20181019 Termination date: 20200301 |