CN206990345U - A kind of joint screw thread strength testing device - Google Patents
A kind of joint screw thread strength testing device Download PDFInfo
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- CN206990345U CN206990345U CN201720588168.8U CN201720588168U CN206990345U CN 206990345 U CN206990345 U CN 206990345U CN 201720588168 U CN201720588168 U CN 201720588168U CN 206990345 U CN206990345 U CN 206990345U
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- lower contact
- screw thread
- cell body
- testing device
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Abstract
A kind of joint screw thread strength testing device, including top connection and lower contact are disclosed herein；The lateral wall of the lower contact is provided with annular groove, and the annular groove is used to load threaded connector to be tested；The top connection is provided with cell body, and the madial wall of the cell body offers internal thread, and the internal thread is connected with threaded connector to be tested；The cavity formed between the end face of the cell body and the lower contact is airtight cavity, and the airtight cavity is provided with the pressurizing port being in communication with the outside, and the pressurizing port is arranged in the top connection or in the lower contact.The application can be applied to logger technical field, can effectively overcome defect present in prior art using the application, be capable of the structure composition of optimal inspection device；Further, additionally it is possible to effectively improve the convenience of test operation, and final test precision can be effectively improved.
Description
Technical field
The application relates to, but are not limited to logger technical field, especially a kind of joint screw thread strength testing device.
Background technology
At present, wireline formation tester is coupled between each function pipe nipple of instrument by upper lower contact to realize.On
Lower contact can be realized and quick and precisely connected between instrument pipe nipple, therefore be commonly used for cable because its convenient disassembly, easy care maintain
In formula logger.Wherein, the tensile load that wireline formation tester is born in pressure measurement sampling process is by upper and lower
Joint screw thread on joint Rapid-turning nut realizes transmission, and state of the joint screw thread under load effect directly determine joint
The switching performance of screw thread, and then have impact on the switching performance of whole branch instrument.
During open-hole logging, due to various unpredictalbe complicated reasons, logger has hair when meeting card situation
It is raw.It is longer in the purpose of horizon working time when formation tester carries out pressure measurement sampling in underground, particularly carry out formation fluid and take
Sample, time-consuming reaches several hours, therefore formation tester, in logger, the probability for meeting card is bigger than other loggers.
Formation tester or cable etc. are met when blocking in underground, it is necessary to carry out instrument salvaging, and this requires instrument to have enough resist
Tensile strength is to meet the needs of Cut-and-thread fishing, it is therefore necessary to which the joint screw thread intensity on upper lower contact Rapid-turning nut is surveyed
Examination.
However, joint screw thread strength test of the prior art is to complete corresponding test behaviour by cupping machine
Make；Above-mentioned cupping machine is complicated, and cost is high, and regulation performance is poor；Meanwhile in drawing process, workpiece need to be subjected to machine
Tool clamp operation, the participation of above-mentioned clamp operation will affect to final test result, it is impossible to which effectively simulation is true
Real application scenarios, largely reduce final measuring accuracy.
Utility model content
The technical problem that the application solves is to provide a kind of joint screw thread strength testing device, can effectively overcome existing skill
Defect present in art, it is capable of the structure composition of optimal inspection device；Further, additionally it is possible to effectively improve test operation just
Victory, and final test precision can be effectively improved.
In order to solve the above technical problems, this application provides a kind of joint screw thread strength testing device, including top connection and
Lower contact；
The lateral wall of the lower contact is provided with annular groove, and the annular groove is used to load threaded connector to be tested；
The top connection is provided with cell body, and the madial wall of the cell body offers internal thread, and the internal thread connects with screw thread to be tested
Fitting connects；
The cavity formed between the end face of the cell body and the lower contact is airtight cavity, and the airtight cavity is provided with
The pressurizing port being in communication with the outside, the pressurizing port are arranged in the top connection or in the lower contact.
Above-mentioned joint screw thread strength testing device, in addition to following features,
Sealing mechanism is provided between the madial wall of the lateral wall of the lower contact and the cell body.
Above-mentioned joint screw thread strength testing device, in addition to following features,
The sealing mechanism is arranged on the lateral wall of the lower contact, or is arranged on the madial wall of the cell body.
Above-mentioned joint screw thread strength testing device, in addition to following features,
The sealing mechanism is arranged on the lateral wall of the lower contact, and is arranged on the madial wall of the cell body.
Above-mentioned joint screw thread strength testing device, in addition to following features,
The sealing mechanism includes one or multi-channel O-ring seal.
Above-mentioned joint screw thread strength testing device, in addition to following features,
The end face of the lower contact is plane, and the axial line of the lower contact is perpendicular to the end face.
Above-mentioned joint screw thread strength testing device, in addition to following features,
Also include stamper；
The pipeline of suppressing of the stamper is connected with the pressurizing port, and is connected with the airtight cavity.
Above-mentioned joint screw thread strength testing device, in addition to following features,
The pressurizing port is arranged in the top connection.
Above-mentioned joint screw thread strength testing device, in addition to following features,
The pressurizing port is arranged on the cell body bottom of the top connection.
The application above-mentioned technical proposal has the advantages that：
Compared with prior art, the application can pass through the setting of the annular groove of above-mentioned lower contact, using the teaching of the invention it is possible to provide to be tested
The installing space of threaded connector；It is able to can be effectively matched to be tested by the setting of the cell body internal thread of above-mentioned top connection
Threaded connector；The default pressure in lower contact end face can be applied to by the setting of airtight cavity and pressurizing port, to survey
Try the threaded connection intensity between lower contact and top connection.
Further, the above-mentioned test device that the application provides, in test process, can avoid stretching of the prior art
The operation of the clamping workpiece of testing machine, can avoid the intervention of external force, can effectively improve final measuring accuracy；On meanwhile
State that the structure composition of test device is reasonable, and complexity is relatively low, test operation is more convenient；Above-mentioned sealing mechanism can also be passed through
Set, the sealing property of airtight cavity can be effectively improved, can effectively prevent fluid from the contact surface of lower contact and cell body it
Between reveal, and then final measuring accuracy can be effectively improved.
Further, the application can be by the setting of above-mentioned stamper, and the regulation that can effectively improve test pressure is convenient
Property, can accordingly adjust different pressure according to the difference of threaded connector to be tested, can such as adjust 10 tons of pressure, 20 tons
Pressure, or 80 tons pressure etc..Test device of the prior art, such as cupping machine, their own have fixed amount
Journey；If target setting pressure exceeds its range ability, the cupping machine of different model need to be changed, to meet actual demand；On
Cupping machine is stated in test process, it has the defects of pressure regulation performance is poor.
Other features and advantage will illustrate in the following description, also, partly become from specification
Obtain it is clear that or being understood by implementing the utility model embodiment.The purpose of the application and other advantages can by
Specifically noted structure is realized and obtained in specification, claims and accompanying drawing.
Brief description of the drawings
Accompanying drawing is used for providing further understanding technical scheme, and a part for constitution instruction, with this
The embodiment of application is used for the technical scheme for explaining the application together, does not form the limitation to technical scheme.
Fig. 1 is the structural representation of the utility model embodiment one；
Illustrate：
1- lower contacts, 2- threaded connectors, 3-O type sealing rings, 4- top connections, 5- pressurizing ports, 6- airtight cavities, 7- ends
Face.
Embodiment
Embodiments herein is described in detail below in conjunction with accompanying drawing.It should be noted that do not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
Embodiment one：
With reference to shown in Fig. 1, the utility model embodiment one provides a kind of joint screw thread strength testing device, can include
Top connection 4 and lower contact 1；The lateral wall of lower contact 1 is provided with annular groove, and annular groove is used to load threaded connector to be tested
2；Top connection 4 is provided with cell body, and the madial wall of cell body offers internal thread, and internal thread is connected with threaded connector 2 to be tested；
The cavity formed between cell body and the end face 7 of lower contact 1 is airtight cavity 6, and airtight cavity 6 is provided with suppressing of being in communication with the outside
Hole 5, pressurizing port 5 are arranged on the up or down joint 1 of top connection 4.
In concrete operations, threaded connector 2 to be tested can be arranged in the annular groove in lower contact 1；And then by under
Joint 1 and threaded connector 2 are overall to be stretched into the cell body of top connection 4, and by the internal thread rotation in threaded connector 2 and cell body
Connect；It is clamped on based on above-mentioned threaded connector 2 in annular groove, when being connected between threaded connector 2 and the internal thread of cell body, under
Also more firm connection can be formed between joint 1 and top connection 4.When needing to carry out test operation, pressurizing port 5 can be connected
Corresponding pressure device is connect, to realize the application of different pressures；And then it is capable of the threaded connection of Validity Test threaded connector 2
Intensity is reliably connected pressure limit, and its limiting pressure that can bear.
Compared with prior art, the application can pass through the setting of the annular groove of above-mentioned lower contact 1, using the teaching of the invention it is possible to provide to be tested
The installing space of threaded connector 2；It is able to can be effectively matched to be tested by the setting of the cell body internal thread of above-mentioned top connection 4
Threaded connector 2；The end face 7 that by the setting of airtight cavity 6 and pressurizing port 5, can be applied to lower contact 1 is default
Pressure, to test the threaded connection intensity between lower contact 1 and top connection 4；In the test process of above-mentioned test device, it can avoid
The operation of the clamping workpiece of cupping machine of the prior art, can avoid the intervention of external force, can effectively improve final
Measuring accuracy；Meanwhile the structure composition of above-mentioned test device is reasonable, complexity is relatively low, and test operation is more convenient.
Further, in order to effectively improving the sealing property of airtight cavity 6；In the present embodiment, above-mentioned lower contact 1
Sealing mechanism is provided between lateral wall and the madial wall of cell body.
In concrete operations, above-mentioned sealing mechanism may be provided on the lateral wall of lower contact 1, can also be arranged on the interior of cell body
In side wall；Or above-mentioned sealing mechanism can be arranged on the lateral wall of lower contact 1 simultaneously, and it is arranged on the madial wall of cell body.
Wherein, the setting of above-mentioned sealing mechanism, the sealing property of airtight cavity 6 can be effectively improved, can effectively prevents fluid under
Revealed between joint 1 and the contact surface of cell body, and then final measuring accuracy can be effectively improved.
Preferably, in the present embodiment, above-mentioned sealing mechanism includes one or multi-channel O-ring seal 3.
In concrete operations, above-mentioned sealing mechanism may be provided with multiple tracks O-ring seal 3, and above-mentioned multiple tracks O-ring seal 3 is set
Put, can effectively ensure that the sealing property of sealing mechanism.
Further, in order to final measuring accuracy is effectively ensured；Preferably, in the present embodiment, above-mentioned lower contact 1
End face 7 be plane, and the axial line of lower contact 1 is perpendicular to end face 7.
In concrete operations, above-mentioned end face 7 is the setting form of plane, can effectively ensure that the pressure suffered by lower contact 1 is equal
Weighing apparatus；The axial line of above-mentioned lower contact 1 can effectively ensure that the pressure suffered by the end face 7 of lower contact 1 perpendicular to above-mentioned end face 7, can
Uniformly transfer to threaded connection place；The axial load of the above-mentioned end face 7 of lower contact 1, can effectively simulate the pulling in practical operation
The application active force of operation, and then can effectively ensure that final measuring accuracy.
In the present embodiment, above-mentioned pressurizing port 5 is arranged in top connection 4；Preferably, pressurizing port 5 is arranged on the groove of top connection 4
Body bottom.In concrete operations, above-mentioned pressurizing port 5 is arranged on the bottom of top connection 4, can be easy to its company between pressure device
Connect, easily test operation can be realized.
Embodiment two：
The utility model embodiment two provides a kind of joint screw thread strength testing device, and agent structure is a kind of with embodiment
Seemingly, also including top connection and lower contact；Specific setting and annexation on agent structure, refer in embodiment one
Record, be intended to illustrate difference between the two herein.
In the present embodiment, above-mentioned joint screw thread strength testing device also includes stamper；Wherein, stamper suppresses pipeline
It is connected with pressurizing port, and is connected with airtight cavity.
In concrete operations, above-mentioned stamper is preferably high-pressure pump, and the pressure limit of above-mentioned stamper is adjustable, can be according to be measured
The difference of threaded connector is tried, accordingly adjusts different pressure, can such as adjust 10 tons of pressure, 20 tons of pressure, or 80
Pressure of ton etc..Cupping machine of the prior art, different model cupping machines is needed, the drawing of different tonnages could be met
Power demand, pressure adjustable section poor-performing.
Compared with prior art, the application can pass through the setting of the annular groove of above-mentioned lower contact, using the teaching of the invention it is possible to provide to be tested
The installing space of threaded connector；It is able to can be effectively matched to be tested by the setting of the cell body internal thread of above-mentioned top connection
Threaded connector；The default pressure in lower contact end face can be applied to by the setting of airtight cavity and pressurizing port, to survey
Try the threaded connection intensity between lower contact and top connection.
Further, the above-mentioned test device that the application provides, in test process, can avoid stretching of the prior art
The operation of the clamping workpiece of testing machine, can avoid the intervention of external force, can effectively improve final measuring accuracy；On meanwhile
State that the structure composition of test device is reasonable, and complexity is relatively low, test operation is more convenient；Above-mentioned sealing mechanism can also be passed through
Set, the sealing property of airtight cavity can be effectively improved, can effectively prevent fluid from the contact surface of lower contact and cell body it
Between reveal, and then final measuring accuracy can be effectively improved.
Further, the application can be by the setting of above-mentioned stamper, and the regulation that can effectively improve test pressure is convenient
Property, can accordingly adjust different pressure according to the difference of threaded connector to be tested, can such as adjust 10 tons of pressure, 20 tons
Pressure, or 80 tons pressure etc..Test device of the prior art, such as cupping machine, their own have fixed amount
Journey；If target setting pressure exceeds its range ability, the cupping machine of different model need to be changed, to meet actual demand；On
Cupping machine is stated in test process, it has the defects of pressure regulation performance is poor.
In the description of the present application, term " installation ", " connected ", " connection ", " fixation " etc. all should be interpreted broadly, example
Such as, " connection " can be fixedly connected or be detachably connected, or be integrally connected；Can be joined directly together, can also
It is indirectly connected by intermediary.For the ordinary skill in the art, above-mentioned art can be understood as the case may be
The concrete meaning of language in this application.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean to combine at least one reality that specific features, structure, material or the feature that the embodiment or example describe are contained in the application
Apply in example or example.In this manual, identical embodiment or reality are not necessarily referring to the schematic representation of above-mentioned term
Example.Moreover, description specific features, structure, material or feature can in any one or more embodiments or example with
Suitable mode combines.
Although those skilled in the art should be understood that embodiment disclosed by the utility model embodiment as above,
Described content is only the embodiment for readily appreciating the utility model embodiment and using, and is not limited to the utility model
Embodiment.Technical staff in any the utility model embodiment art, is taken off not departing from the utility model embodiment
On the premise of the spirit and scope of dew, any modification and change, but this practicality can be carried out in the form and details of implementation
The scope of patent protection of new embodiment, still should be subject to the scope of the claims as defined in the appended claims.
Claims (9)
1. a kind of joint screw thread strength testing device, it is characterised in that including top connection and lower contact；
The lateral wall of the lower contact is provided with annular groove, and the annular groove is used to load threaded connector to be tested；It is described
Top connection is provided with cell body, and the madial wall of the cell body offers internal thread, the internal thread and threaded connector to be tested
Connection；
The cavity formed between the end face of the cell body and the lower contact is airtight cavity, the airtight cavity be provided with outside
The pressurizing port of boundary's connection, the pressurizing port are arranged in the top connection or in the lower contact.
2. joint screw thread strength testing device according to claim 1, it is characterised in that
Sealing mechanism is provided between the madial wall of the lateral wall of the lower contact and the cell body.
3. joint screw thread strength testing device according to claim 2, it is characterised in that
The sealing mechanism is arranged on the lateral wall of the lower contact, or is arranged on the madial wall of the cell body.
4. joint screw thread strength testing device according to claim 2, it is characterised in that
The sealing mechanism is arranged on the lateral wall of the lower contact, and is arranged on the madial wall of the cell body.
5. the joint screw thread strength testing device according to Claims 2 or 3 or 4, it is characterised in that
The sealing mechanism includes one or multi-channel O-ring seal.
6. the joint screw thread strength testing device according to Claims 2 or 3 or 4, it is characterised in that
The end face of the lower contact is plane, and the axial line of the lower contact is perpendicular to the end face.
7. joint screw thread strength testing device according to claim 1, it is characterised in that also including stamper；
The pipeline of suppressing of the stamper is connected with the pressurizing port, and is connected with the airtight cavity.
8. joint screw thread strength testing device according to claim 1, it is characterised in that
The pressurizing port is arranged in the top connection.
9. joint screw thread strength testing device according to claim 8, it is characterised in that
The pressurizing port is arranged on the cell body bottom of the top connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720588168.8U CN206990345U (en) | 2017-05-24 | 2017-05-24 | A kind of joint screw thread strength testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720588168.8U CN206990345U (en) | 2017-05-24 | 2017-05-24 | A kind of joint screw thread strength testing device |
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| Publication Number | Publication Date |
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| CN206990345U true CN206990345U (en) | 2018-02-09 |
Family
ID=61389727
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720588168.8U Active CN206990345U (en) | 2017-05-24 | 2017-05-24 | A kind of joint screw thread strength testing device |
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| CN (1) | CN206990345U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111999181A (en) * | 2020-08-31 | 2020-11-27 | 内江职业技术学院 | Thread bearing strength detection system |
-
2017
- 2017-05-24 CN CN201720588168.8U patent/CN206990345U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111999181A (en) * | 2020-08-31 | 2020-11-27 | 内江职业技术学院 | Thread bearing strength detection system |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: China Oilfield Services Limited Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: China Oilfield Services Limited Patentee before: China National Offshore Oil Corporation |
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| CP01 | Change in the name or title of a patent holder |