CN206309326U - Testing tube suspension sealing device - Google Patents
Testing tube suspension sealing device Download PDFInfo
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- CN206309326U CN206309326U CN201621295212.8U CN201621295212U CN206309326U CN 206309326 U CN206309326 U CN 206309326U CN 201621295212 U CN201621295212 U CN 201621295212U CN 206309326 U CN206309326 U CN 206309326U
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- testing tube
- sealing device
- slips
- airtight
- housing
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Abstract
The utility model provides a kind of testing tube suspension sealing device, including：Housing, with the installation passage for wearing testing tube；Fixed structure, is fixedly installed in installation passage, and after fixed structure includes that slips, testing tube pass through housing, slips is encircled testing tube and fixed with by testing tube, and the dental lamina tooth on the inside of slips has the force surface being engaged with testing tube.The technical solution of the utility model can efficiently solve the complex operation that suspension sealing device of the prior art hangs testing tube, the problem for wasting time and energy.
Description
Technical field
The utility model is related to producing well testing tube technical field, in particular to a kind of testing tube suspension sealing dress
Put.
Background technology
Xinjiang Oilfield SAGD the Technology of Heavy Oil Recovery comes into the industrialization promotion stage, live supporting test technology progressively into
It is ripe.It is stainless steel tube with small diameter, above-mentioned testing tube for testing a kind of testing tube of producing well at the scene in supporting test technology
Need to be hung by suspension sealing device and be arranged on well head, and the suspension sealing device also functions to sealing function to testing tube,
So as to prevent the oil-gas-liquid in well from running out of.However, because the tube wall of testing tube (stainless steel tube with small diameter) is thin, tube outer surface is coarse
Degree is small, and in order to ensure to hang reliability, existing suspension sealing device is typically hung using two-stage, i.e., by slips to testing tube
Lower end be fixed, the upper end of testing tube is fixed by optical-rod clamp.Meanwhile, the dental lamina tooth of existing slips is point
Tooth, when clamping stainless steel testing tube by pointed tooth, dental lamina tooth is small with the contact area of testing tube, due to the table of stainless steel testing tube
Face is smooth, it is possible to which clamping is not lived, and because the tube wall of stainless steel testing tube is thin, pointed tooth is possible to clip broken tube wall, damages
Test cable in testing tube.Additionally, above-mentioned two-stage hang needs to be fixed the two ends of testing tube, complex operation,
Long construction period, labor intensity of operating staff is big, and cost is high, wastes time and energy.
Utility model content
Main purpose of the present utility model is to provide a kind of testing tube suspension sealing device, of the prior art to solve
The complex operation of suspension sealing device suspension testing tube, the problem for wasting time and energy.
To achieve these goals, the utility model provides a kind of testing tube suspension sealing device, including：Housing, tool
There is the installation passage for wearing testing tube；Fixed structure, is fixedly installed in installation passage, and fixed structure includes slips, surveys
After test tube passes through housing, slips is encircled testing tube and is fixed with by testing tube, and the dental lamina tooth on the inside of slips has and testing tube phase
The force surface of cooperation.
Further, testing tube suspension sealing device also includes sealing structure, and sealing structure is arranged in installation passage simultaneously
Positioned at the top of fixed structure, after testing tube passes through housing, sealing structure seals up the gap between testing tube and installation passage.
Further, sealing structure includes airtight and watertight padding, testing tube through after housing, airtight and watertight padding be arranged on testing tube with
Between installation passage.
Further, sealing structure also includes the first metal separator, and the first metal separator is arranged in airtight and watertight padding,
And the first metal separator extends along the radial direction of housing, and airtight and watertight padding is divided into multilayer.
Further, sealing structure also includes compressing member, and compressing member is arranged on the upper end of housing, and compressing member has to be used for
The first through hole of testing tube is worn, the top of airtight and watertight padding is compressed by compressing member, and the lower position of airtight and watertight padding is fixedly supported
On fixed support portion in installation passage.
Further, sealing structure also include the second metal separator, the second metal separator be arranged on compressing member with it is close
Between the top of packing material and it is arranged between the bottom of airtight and watertight padding and fixed support portion.
Further, testing tube suspension sealing device also includes greasing pressure cap, and greasing pressure cap is set in the upper end of housing,
Greasing pressure cap has the second through hole for wearing testing tube, and greasing hole, greasing hole are provided with the circumferential side wall of greasing pressure cap
Connected with the second through hole.
Further, compressing member be located between greasing pressure cap and airtight and watertight padding, compressing member away from airtight and watertight padding end with
Greasing pressure cap is engaged, and when greasing pressure cap is arranged and is connected on housing, greasing pressure cap pushes compressing member so that compressing member pressure
Tightening seal filler.
Further, fixed structure also includes：Slip spider, is fixedly installed in installation passage, and slips is arranged on slip spider
On；Locking member, locking member is engaged with slips and slip spider and is locked with to slips.
Further, slip spider has third through-hole, and third through-hole is stretched into the lower end that locking member has fourth hole, slips
Interior, the upper end of slips is stretched into fourth hole, and locking member links together to clamp slips jointly with slip spider.
Using the technical solution of the utility model, fixed structure is set in installation passage, the fixed structure includes slips,
Dental lamina tooth on the inside of slips has the force surface being engaged with testing tube.After testing tube passes through housing, slips encircles testing tube
Fixed with by testing tube.Because the dental lamina tooth and testing tube of slips are face cooperation, force surface and the testing tube of dental lamina tooth match
Conjunction can increase both contacts area, prevent from being altered and upper top under testing tube such that it is able to fixed effect of the enhancing to testing tube.Cause
This, only sets fixed structure and testing tube is fixed, without again in testing tube suspension sealing device of the present utility model
The auxiliary fixing members such as optical-rod clamp are set, and operation is simpler, and short construction period, labor intensity of operating staff is small, time saving and energy saving.
Additionally, the dental lamina tooth of slips is face cooperation with testing tube, the pre-tight stress injury to testing tube so can also be effectively reduced, prevented
Only the dental lamina tooth of slips causes to damage to the tube wall of testing tube, improves the service life of testing tube.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing being further understood to of the present utility model, this practicality
New schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model.
In the accompanying drawings：
Fig. 1 shows the structural representation of the embodiment according to testing tube suspension sealing device of the present utility model.
Wherein, above-mentioned accompanying drawing is marked including the following drawings：
10th, housing；11st, installation passage；20th, fixed structure；21st, slips；22nd, slip spider；23rd, locking member；231st, the 4th
Through hole；30th, sealing structure；31st, airtight and watertight padding；32nd, the first metal separator；33rd, compressing member；331st, first through hole；34th, second
Metal separator；40th, greasing pressure cap；41st, the second through hole；42nd, greasing hole.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.The description only actually at least one exemplary embodiment is illustrative below, never as to this practicality
New and its application or any limitation for using.Based on the embodiment in the utility model, those of ordinary skill in the art are not having
There is the every other embodiment made and being obtained under the premise of creative work, belong to the scope of the utility model protection.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
Be also intended to include plural form, additionally, it should be understood that, when in this manual use term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
Unless specifically stated otherwise, the part and positioned opposite, the digital table of step for otherwise illustrating in these embodiments
Scope of the present utility model is not limited up to formula and numerical value.Simultaneously, it should be appreciated that each shown in accompanying drawing for the ease of description
The size of individual part is not to be drawn according to actual proportionate relationship.For skill known to person of ordinary skill in the relevant
Art, method and apparatus may be not discussed in detail, but in the appropriate case, the technology, method and apparatus should be considered as awarding
Weigh a part for specification.In all examples shown here and discussion, any occurrence should be construed as merely example
Property, not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：It is similar
Label and letter similar terms is represented in following accompanying drawing, therefore, once be defined in a certain Xiang Yi accompanying drawing, then with
It need not be further discussed in accompanying drawing afterwards.
In description of the present utility model, it is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " laterally,
Vertically, vertically, level " and the indicated orientation such as " top, bottom " or position relationship be normally based on orientation shown in the drawings or position
Relation is put, description the utility model is for only for ease of and is simplified description, in the case where opposite explanation is not made, these nouns of locality
Do not indicate that and imply that the device or element of meaning there must be specific orientation or with specific azimuth configuration and operation, because
This is it is not intended that limitation to the utility model protection domain；The noun of locality " inside and outside " refers to the wheel relative to each part in itself
Wide is inside and outside.
For the ease of description, space relative terms can be used herein, such as " ... on ", " ... top ",
" in ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation levied.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.If for example, the device in accompanying drawing is squeezed, be described as " in other devices
To be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
Furthermore, it is necessary to explanation, limits parts, it is only for be easy to using the word such as " first ", " second "
Corresponding parts are distinguished, such as without Stated otherwise, above-mentioned word does not have particular meaning, therefore it is not intended that to this
The limitation of utility model protection scope.
As shown in figure 1, the testing tube suspension sealing device of the present embodiment is used for using the testing tube of stainless steel tube with small diameter
Suspension sealing.Above-mentioned testing tube suspension sealing device includes housing 10 and fixed structure 20.Wherein, housing 10 has for wearing
If the installation passage 11 of testing tube.Fixed structure 20 is fixedly installed in installation passage 11.Fixed structure 20 includes slips 21.Survey
After test tube passes through housing 10, slips 21 is encircled testing tube and is fixed with by testing tube.The dental lamina tooth of the inner side of slips 21 has and survey
The force surface that test tube is engaged.
Using the testing tube suspension sealing device of the present embodiment, fixed structure 20 is set in installation passage 11, this is fixed
Structure 20 includes slips 21, and the dental lamina tooth of the inner side of slips 21 has the force surface being engaged with testing tube.When testing tube passes through shell
After body 10, slips 21 is encircled testing tube and is fixed with by testing tube.Because the dental lamina tooth and testing tube of slips 21 are face cooperation, tooth
The force surface of plate tooth is engaged with testing tube can increase both contacts area, prevent from being altered and upper top under testing tube such that it is able to
Strengthen the fixed effect to testing tube.Therefore, fixed structure 20 pairs is only set in the testing tube suspension sealing device of the present embodiment
Testing tube is fixed, and without setting the auxiliary fixing members such as optical-rod clamp again, operates simpler, short construction period, behaviour
Make personnel labor intensity small, it is time saving and energy saving.Additionally, the dental lamina tooth of slips 21 is face cooperation with testing tube, so can also be effectively
The pre-tight stress injury to testing tube is reduced, prevents the dental lamina tooth of slips 21 from causing to damage to the tube wall of testing tube, improve test
The service life of pipe.
As shown in figure 1, in the testing tube suspension sealing device of the present embodiment, the dental lamina tooth of the inner side of slips 21 is flat tooth,
That is, the shape of the cross section of single dental lamina tooth is trapezoidal, and in above-mentioned cross section, dental lamina tooth is towards testing tube
The contour line on surface is straight line, and the force surface that single dental lamina tooth is engaged with testing tube is ring surface, the ring surface and testing tube
Peripheral outer wall can fit completely.
As shown in figure 1, in the testing tube suspension sealing device of the present embodiment, testing tube suspension sealing device also includes close
Seal structure 30.Sealing structure 30 is arranged in installation passage 11 and is located at the top of fixed structure 20.Testing tube passes through housing 10
Afterwards, sealing structure 30 seals up the gap between testing tube and installation passage 11.Above-mentioned sealing structure 30 can rise to testing tube
To sealing function, so as to prevent the oil-gas-liquid in well from running out of.When testing tube is assembled, testing tube is penetrated installation from bottom to up logical
Road 11, the testing tube initially passes through fixed structure 20, and is fixed by fixed structure 20, is then then passed through sealing structure 30, and
Gap between testing tube and installation passage 11 is sealed up by sealing structure 30, so as to complete the assembling of testing tube.
As shown in figure 1, in the testing tube suspension sealing device of the present embodiment, sealing structure 30 includes airtight and watertight padding 31.
In the present embodiment, airtight and watertight padding 31 is sealed packing.After testing tube passes through housing 10, airtight and watertight padding 31 is arranged on testing tube
Between installation passage 11.The mode sealed above by airtight and watertight padding 31 is simple to operation, and good sealing effect.
As shown in figure 1, in the testing tube suspension sealing device of the present embodiment, sealing structure 30 also includes compressing member 33.
Compressing member 33 is arranged on the upper end of housing 10.Compressing member 33 has the first through hole 331 for wearing testing tube.Airtight and watertight padding
31 top is compressed by compressing member 33.The lower position of airtight and watertight padding 31 is fixedly fastened on the fixed support in installation passage 11
In portion.In the present embodiment, there is the first limited step portion on the inwall of installation passage 11, is set in the first limited step portion
The one end for having installation gasket ring, sealed packing is compressed by compressing member 33, and another end position of sealed packing is fixedly fastened on installation
On gasket ring.
As shown in figure 1, in the testing tube suspension sealing device of the present embodiment, sealing structure 30 is also including the first metal point
The metal separator 34 of spacing body 32 and second.Wherein, the first metal separator 32 is arranged in airtight and watertight padding 31, and the first metal
Separator 32 extends along the radial direction of housing 10, and airtight and watertight padding 31 is divided into multilayer.Second metal separator 34 is set
Between the top of compressing member 33 and airtight and watertight padding 31 and it is arranged between the bottom of airtight and watertight padding 31 and fixed support portion.On
Stating the first metal separator 32 and the second metal separator 34 can play a part of dispersive stress, prevent airtight and watertight padding 31 from answering
Power is concentrated and deformed.In the present embodiment, the material of the first metal separator 32 and the second metal separator 34 is red copper.
As shown in figure 1, in the testing tube suspension sealing device of the present embodiment, testing tube suspension sealing device also includes note
Fat pressure cap 40.Greasing pressure cap 40 is set in the upper end of housing 10.Greasing pressure cap 40 has logical for wearing the second of testing tube
Hole 41.Second through hole 41 is connected with installation passage 11.Greasing hole 42 is provided with the circumferential side wall of greasing pressure cap 40.Greasing hole 42
Connected with the second through hole 41.Testing tube suspension sealing device during later stage use, by well head steam injection produce vibration
Influence, sealing structure 30 is likely to occur the situation of seal failure, can be by greasing hole 42 to testing tube and installation passage 11
Between gap carry out greasing sealing, play a part of duplicate protection, sealing reliability is higher.
As shown in figure 1, in the testing tube suspension sealing device of the present embodiment, compressing member 33 is movably set, and
Compressing member 33 is located between greasing pressure cap 40 and airtight and watertight padding 31, and compressing member 33 is away from the end of airtight and watertight padding 31 and greasing pressure cap
40 are engaged.It is connected through a screw thread between the outer wall of greasing pressure cap 40 and housing 10.When greasing pressure cap 40 is arranged and is connected to shell
When on body 10, greasing pressure cap 40 pushes compressing member 33 so that compressing member 33 compresses airtight and watertight padding 31.Said structure passes through greasing pressure
Cap 40 compresses compressing member 33 and airtight and watertight padding 31, it is to avoid built-in installation screw thread on the inwall of installation passage 11, easily facilitates close
The installation of packing material 31, and influence of the built-in installation thread damage to sealing reliability can be effectively prevented from.
As shown in figure 1, in the testing tube suspension sealing device of the present embodiment, fixed structure 20 also includes the He of slip spider 22
Locking member 23.Wherein, slip spider 22 is fixedly installed in installation passage 11, and slips 21 is arranged on slip spider 22.Locking member 23
It is engaged with slips 21 and slip spider 22 and is locked with to slips 21.In the present embodiment, the bottom of installation passage 11
Inwall on there is the second limited step portion, slip spider 22 is supported in the second limited step portion.Slip spider 22 has threeway
Hole, locking member 23 has fourth hole 231.The lower end of slips 21 is stretched into third through-hole, and four-way is stretched into the upper end of slips 21
In hole 231.The peripheral outer wall that the peripheral outer wall of the lower end of slips 21 has the first inclined plane, the upper end of slips 21 has second to incline
Inclined-plane, the shape of the hole wall of third through-hole is adapted with the shape of the peripheral outer wall of the lower end of slips 21, the hole of fourth hole 231
The shape of wall is adapted with the shape of the peripheral outer wall of the upper end of slips 21.After locking member 23 links together with slip spider 22,
Locking member 23 and slip spider 22 are clamped slips 21 jointly.
As shown in figure 1, in the testing tube suspension sealing device of the present embodiment, being set in the peripheral outer wall of the lower end of housing 10
Oil pipe connection screw thread is equipped with, the oil pipe connection screw thread is used to be connected with oil pipe.Above-mentioned testing tube suspension sealing device is integral type
Structure, delicate structure is compact such that it is able to realize simplicity quick for installation at the scene.In the present embodiment, the lower end of housing 10 is fitted
It is with size for connectionAndThe suitable dimensions of testing tube areWithWherein " in " is unit inch.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of testing tube suspension sealing device, it is characterised in that including：
Housing (10), with the installation passage (11) for wearing testing tube；
Fixed structure (20), is fixedly installed in the installation passage (11), and the fixed structure (20) includes slips (21), institute
Testing tube is stated through after the housing (10), the slips (21) is encircled the testing tube and fixed with by the testing tube, institute
Stating the dental lamina tooth on the inside of slips (21) has the force surface being engaged with the testing tube.
2. testing tube suspension sealing device according to claim 1, it is characterised in that the testing tube suspension sealing device
Also include sealing structure (30), the sealing structure (30) is arranged in the installation passage (11) and is located at the fixed structure
(20) top, after the testing tube passes through the housing (10), the sealing structure (30) seals up the testing tube and institute
State the gap between installation passage (11).
3. testing tube suspension sealing device according to claim 2, it is characterised in that the sealing structure (30) is including close
Packing material (31), after the testing tube passes through the housing (10), the airtight and watertight padding (31) is arranged on the testing tube and institute
State between installation passage (11).
4. testing tube suspension sealing device according to claim 3, it is characterised in that the sealing structure (30) also includes
First metal separator (32), first metal separator (32) is arranged in the airtight and watertight padding (31), and described
One metal separator (32) extends along the radial direction of the housing (10), and the airtight and watertight padding (31) is divided into multilayer.
5. testing tube suspension sealing device according to claim 3, it is characterised in that the sealing structure (30) also includes
Compressing member (33), the compressing member (33) is arranged on the upper end of the housing (10), and the compressing member (33) is with for wearing
If the first through hole (331) of the testing tube, the top of the airtight and watertight padding (31) is compressed by the compressing member (33), described close
The lower position of packing material (31) is fixedly fastened on the fixed support portion in the installation passage (11).
6. testing tube suspension sealing device according to claim 5, it is characterised in that the sealing structure (30) also includes
Second metal separator (34), second metal separator (34) is arranged on the compressing member (33) and the airtight and watertight padding
(31) between top and it is arranged between the bottom of the airtight and watertight padding (31) and the fixed support portion.
7. testing tube suspension sealing device according to claim 5, it is characterised in that the testing tube suspension sealing device
Also include greasing pressure cap (40), the greasing pressure cap (40) is set in the upper end of the housing (10), the greasing pressure cap
(40) with the second through hole (41) for wearing the testing tube, note is provided with the circumferential side wall of the greasing pressure cap (40)
Fat hole (42), the greasing hole (42) connects with second through hole (41).
8. testing tube suspension sealing device according to claim 7, it is characterised in that the compressing member (33) is positioned at described
Between greasing pressure cap (40) and the airtight and watertight padding (31), the compressing member (33) away from the end of the airtight and watertight padding (31) with
The greasing pressure cap (40) is engaged, when the greasing pressure cap (40) is arranged and is connected on the housing (10), the note
Fat pressure cap (40) pushes the compressing member (33) so that the compressing member (33) compresses the airtight and watertight padding (31).
9. testing tube suspension sealing device according to any one of claim 1 to 8, it is characterised in that the fixed knot
Structure (20) also includes：
Slip spider (22), is fixedly installed in the installation passage (11), and the slips (21) is installed in the slip spider (22)
On；
Locking member (23), the locking member (23) is engaged with to the slips with the slips (21) and the slip spider (22)
(21) it is locked.
10. testing tube suspension sealing device according to claim 9, it is characterised in that the slip spider (22) is with
Three through holes, the locking member (23) is stretched into the third through-hole with fourth hole (231), the lower end of the slips (21),
The upper end of the slips (21) is stretched into the fourth hole (231), and the locking member (23) is connected with the slip spider (22)
Together clamping the slips (21) jointly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621295212.8U CN206309326U (en) | 2016-11-28 | 2016-11-28 | Testing tube suspension sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621295212.8U CN206309326U (en) | 2016-11-28 | 2016-11-28 | Testing tube suspension sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206309326U true CN206309326U (en) | 2017-07-07 |
Family
ID=59250907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621295212.8U Active CN206309326U (en) | 2016-11-28 | 2016-11-28 | Testing tube suspension sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206309326U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112838554A (en) * | 2021-01-15 | 2021-05-25 | 西南石油大学 | Electric submersible pump cable operation wellhead device |
-
2016
- 2016-11-28 CN CN201621295212.8U patent/CN206309326U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112838554A (en) * | 2021-01-15 | 2021-05-25 | 西南石油大学 | Electric submersible pump cable operation wellhead device |
| CN112838554B (en) * | 2021-01-15 | 2022-02-15 | 西南石油大学 | Electric submersible pump cable operation wellhead device |
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