CN207623006U - A kind of test device for checking Petroleum Down-hole Tool tensile compression test frame precision - Google Patents
A kind of test device for checking Petroleum Down-hole Tool tensile compression test frame precision Download PDFInfo
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- CN207623006U CN207623006U CN201721884484.6U CN201721884484U CN207623006U CN 207623006 U CN207623006 U CN 207623006U CN 201721884484 U CN201721884484 U CN 201721884484U CN 207623006 U CN207623006 U CN 207623006U
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- load cell
- strain gauge
- crossover sub
- connection
- gauge load
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Abstract
The utility model discloses a kind of test devices for checking Petroleum Down-hole Tool tensile compression test frame precision, including strain gauge load cell（1）, strain gauge load cell（1）It is interior to be equipped with foil gauge（2）, foil gauge（2）With strain gauge load cell（1）On jack（3）Connection, jack（3）With plug（4）Connection, plug（4）Through conducting wire（5）With data acquisition device（6）Connection, data acquisition device（6）It is equipped with display screen（7）, data acquisition device（6）Power cord（8）With power supply（9）Connection；Strain gauge load cell（1）Both ends respectively with connect the crossover sub for drawing high rod end（10）With the crossover sub for being connected and fixed tip side（11）It is threadedly coupled.The utility model is simple in structure, convenient disassembly, strong operability, and test can be improved after being quickly connected according to the tensile compression test frame checked and adjust the equipment precision of tensile compression test frame.
Description
Technical field
The utility model is related to a kind of test devices for checking Petroleum Down-hole Tool tensile compression test frame precision, belong to brill
Well tool technical field of measurement and test.
Background technology
Tensile compression test frame be oil, geology department and petroleum machinery manufacturer detection drilling tool jarring tool, fishing tool,
The capital equipment of the pulling force characteristic and pressure of the tools such as accelerator and damper.It is complete with function, tension and compression stress is big, fits
It is wide with pipe diameter range, the outstanding features such as high degree of automation the degree of automation height.Experimental data mainly passes through operation
Interface is directly read out stretching or compress force value.
The test data of existing tensile compression test frame is mainly relied on will by the hydraulic line on tensile compression test frame
Real-time pressure transmission is to operation interface.Currently, unspecial device checks such equipment.Generally by the way of
Periodically to check pressure gauge, hydrostatic sensor, because pressure gauge, the sensor checked only have reacted pressure gauge and sensor
Precision, the pressure value tested causes the whole series to set it should also be taken into account that the linear loss of pipeline, pressure value are the factors such as conversion value
Standby precision cannot be reflected by the precision of pressure gauge, sensor completely, so this equipment is pioneering, there is no any classes for market
As equipment occur.
Utility model content
The purpose of the utility model is to provide a kind of tests for checking Petroleum Down-hole Tool tensile compression test frame precision
Device, to improve the accuracy of measurement data, it is ensured that the reliability of tested product, to overcome the deficiencies in the prior art.
What the technical solution of the utility model was realized in：
A kind of test device for checking Petroleum Down-hole Tool tensile compression test frame precision of the utility model, including strain
Formula load sensor, strain gauge load cell is interior to be equipped with foil gauge, and foil gauge connects with the jack on strain gauge load cell
It connects, jack is connect with plug, and plug is connect through conducting wire with data acquisition device, and data acquisition device is equipped with display screen, data
The power cord of harvester is connect with power supply；Strain gauge load cell both ends respectively with connect the crossover sub for drawing high rod end and
The crossover sub for being connected and fixed tip side is threadedly coupled.
In aforementioned device, the shape of the strain gauge load cell is that diameter successively decreases or incremental three-stage is cylindric；
The enlarged diameter section of strain gauge load cell is equipped with internal thread；The middle diameter segment and reduced diameter section of strain gauge load cell are equipped with
Mounting plane；The reduced diameter section of strain gauge load cell is equipped with external screw thread.
In aforementioned device, described connect draws high the crossover sub of rod end as two-part circular tube shaped, and connection draws high turning for rod end
The big straight section of changing-over head is equipped with internal thread, and the small straight section that connection draws high the crossover sub of rod end is equipped with external screw thread；Connect pulling rod
The external screw thread of the crossover sub at end and the internal thread of strain gauge load cell are spirally connected.
In aforementioned device, the crossover sub for being connected and fixed tip side is two-part circular tube shaped, is connected and fixed tip side
Crossover sub big straight section be equipped with internal thread, be connected and fixed the crossover sub of tip side small straight section be equipped with external screw thread；Connection
The internal thread of the crossover sub at anchor tip end and the external thread bolt connection of strain gauge load cell.
By adopting the above-described technical solution, the utility model is compared with prior art, the utility model not only has knot
The advantages of structure is simple, convenient disassembly, strong operability, but also with can be quickly connected according to the tensile compression test frame checked
The advantages that test can be improved later and adjust the equipment precision of tensile compression test frame.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is strain gauge load cell and is above connected and fixed the attachment structure schematic diagram of the crossover sub of tip side.
In figure：1- strain gauge load cells, 2- foil gauges, 3- jacks, 4- plugs, 5- conducting wires, 6- data acquisition dress
It sets, 7- display screens, 8- power cords, 9- power supplys, 10- connections draw high the crossover sub of rod end, 11- is connected and fixed the conversion of tip side
Connector, 12- mounting planes.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and examples, but not as new to this practicality
Any restrictions of type.
The utility model it is a kind of for checking the test device of Petroleum Down-hole Tool tensile compression test frame precision, such as Fig. 1 and
Shown in Fig. 2, including strain gauge load cell 1, strain gauge load cell 1 is interior to be equipped with foil gauge 2, foil gauge 2 and strain-type
Jack 3 on load sensor 1 connects, and jack 3 is connect with plug 4, and plug 4 is connect through conducting wire 5 with data acquisition device 6, number
It is equipped with display screen 7 according to harvester 6, the power cord 8 of data acquisition device 6 is connect with power supply 9；Strain gauge load cell 1
Both ends respectively with connect the crossover sub 10 for drawing high rod end and the crossover sub 11 for being connected and fixed tip side and be threadedly coupled.Strain-type
The shape of load sensor 1 is that diameter successively decreases or incremental three-stage is cylindric；The enlarged diameter section of strain gauge load cell 1 is set
There is internal thread；The middle diameter segment and reduced diameter section of strain gauge load cell 1 are equipped with mounting plane；Strain gauge load cell 1
Reduced diameter section be equipped with external screw thread.The crossover sub 10 that connection draws high rod end is two-part circular tube shaped, and connection draws high turning for rod end
The big straight section of changing-over head 10 is equipped with internal thread, and the small straight section that connection draws high the crossover sub 10 of rod end is equipped with external screw thread；Connection is drawn
The internal thread of the external screw thread and strain gauge load cell 1 of the crossover sub 10 at rising stem end is spirally connected.It is connected and fixed turning for tip side
Changing-over head 11 is two-part circular tube shaped, and the big straight section for being connected and fixed the crossover sub 11 of tip side is equipped with internal thread, is connected and fixed
The small straight section of the crossover sub 11 of tip side is equipped with external screw thread；It is connected and fixed internal thread and the strain of the crossover sub 11 of tip side
The external thread bolt connection of formula load sensor 1.
Embodiment
The test device for checking Petroleum Down-hole Tool tensile compression test frame precision of this example draws high turning for rod end by connecting
Changing-over head 10, strain gauge load cell 1, the crossover sub 11 for being connected and fixed tip side and data acquisition device 6 form.
The crossover sub 10 that connection draws high rod end is two-part pipe made of steel alloy, pipe outer circle there are two diameter,
Small diameter Excircle machining has external screw thread, and for connecting strain gauge load cell 1, connection is drawn high in the crossover sub 10 of rod end
Portion is through-hole；The 10 larger diameter inner wall of crossover sub that connection draws high rod end is machined with internal thread for connecting tension and compression by endface
Anchor tip on test stand is connected to small diameter endoporus after thread termination.Strain gauge load cell 1 be using plasticity compared with
Diameter successively decreases made of good metal material processing or incremental three-stage cylinder, 1 outer circle of strain gauge load cell have three
A diameter is machined with internal thread inside outer circle larger diameter, for connect the crossover sub 10 for drawing high rod end and connect.Strain-type
The symmetrical mounting plane 12 of diameter Excircle machining in 1 outer circle of load sensor is passed with tool easy to use installation strain-type load
Sensor 1, middle part between two symmetrical facets are equipped with for being connect with 5 one end plug 4 of conducting wire on data acquisition device 6
Jack 3.1 smaller-diameter portion of strain gauge load cell has external screw thread by end face external process, for be connected and fixed connector
The crossover sub 11 at end connects, and the plane of symmetry after thread termination is machined with mounting plane 12, is installed and is strained with tool easy to use
Formula load sensor 1.The crossover sub 11 for being connected and fixed tip side is pipe made of steel alloy, and there are two straight for pipe outer circle
Diameter is machined with internal thread inside larger diameter portion for connecting strain gauge load cell 1, smaller-diameter portion external process
Have external screw thread for being connect with the anchor tip on test stand, be connected and fixed inside the crossover sub 11 of tip side be machined with it is logical
Hole.Foil gauge 2 in strain gauge load cell 1 is connect through jack 3 with plug 4, and plug 4 is through conducting wire 5 and data acquisition device 6
Connection, 6 front of data acquisition device have display test data display screen 7,6 back side of data acquisition device be equipped with conducting wire 5 and
The connecting terminal that power cord 8 connects.
The utility model is simple in structure, convenient disassembly, strong operability, quick according to the drawing, pressure test stand progress checked
Test can be realized after connection and the equipment precision of test stand is drawn, presses in adjustment.
The course of work and principle of the utility model
After confirming that capacity checking device is connected with tensile compression test frame and conducting wire 5 and power cord 8 etc., startup power supply passes through
Operating lever on tensile compression test frame makes the pull rod of tensile compression test frame and connect the crossover sub 10 for drawing high rod end and connect and apply
Pulling force or pressure, connection draw high the crossover sub 10 that pulling force or pressure suffered by the crossover sub 10 of rod end draw high rod end by connection
External thread structure outside smaller-diameter portion, which is transferred on internal thread of the strain gauge load cell 1 compared with big end diameter inner, to be made
The foil gauge 2 obtained in strain gauge load cell 1 deforms upon, and by the size of test deformation, is converted into pressure or value of thrust,
It is connect with plug 4 by the jack 3 of 1 middle section of strain gauge load cell, plug 4 passes data to number by conducting wire 5
According to harvester 6.It is tested using the utility model and records digital display value and strain in synchronization tensile compression test frame operation interface
The digital display value shown on the connected data acquisition device 6 of formula load sensor 1, compares two groups of data, calculates tensile compression test frame
Two groups of numerical value difference average value, determine correction factor, in the dialog box of the operation panel of tensile compression test frame insert correct
Coefficient, you can realize the purpose checked to the equipment precision on tensile compression test frame.The utility model preferably solves drawing
The problem of pressing the total system calibration of test stand, ensures the accuracy of measurement data, it is ensured that measures product by tensile compression test frame
Reliability.The utility model is alternative without other structures.
Claims (4)
1. a kind of test device for checking Petroleum Down-hole Tool tensile compression test frame precision, including strain gauge load cell
（1）, it is characterised in that：Strain gauge load cell（1）It is interior to be equipped with foil gauge（2）, foil gauge（2）With strain gauge load cell
（1）On jack（3）Connection, jack（3）With plug（4）Connection, plug（4）Through conducting wire（5）With data acquisition device（6）Even
It connects, data acquisition device（6）It is equipped with display screen（7）, data acquisition device（6）Power cord（8）With power supply（9）Connection；It answers
Variant load sensor（1）Both ends respectively with connect the crossover sub for drawing high rod end（10）It is connect with the conversion for being connected and fixed tip side
Head（11）It is threadedly coupled.
2. being used to check the test device of Petroleum Down-hole Tool tensile compression test frame precision according to claim 1, feature exists
In：The strain gauge load cell（1）Shape be that diameter successively decreases or incremental three-stage is cylindric；Strain-type load sensing
Device（1）Enlarged diameter section be equipped with internal thread；Strain gauge load cell（1）Middle diameter segment and reduced diameter section be equipped with mounting plane
（12）；Strain gauge load cell（1）Reduced diameter section be equipped with external screw thread.
3. being used to check the test device of Petroleum Down-hole Tool tensile compression test frame precision according to claim 1, feature exists
In：It is described to connect the crossover sub for drawing high rod end（10）For two-part circular tube shaped, connection draws high the crossover sub of rod end（10）'s
Big straight section is equipped with internal thread, and connection draws high the crossover sub of rod end（10）Small straight section be equipped with external screw thread；Connection draws high rod end
Crossover sub（10）External screw thread and strain gauge load cell（1）Internal thread be spirally connected.
4. being used to check the test device of Petroleum Down-hole Tool tensile compression test frame precision according to claim 1, feature exists
In：The crossover sub for being connected and fixed tip side（11）For two-part circular tube shaped, it is connected and fixed the crossover sub of tip side
（11）Big straight section be equipped with internal thread, be connected and fixed the crossover sub of tip side（11）Small straight section be equipped with external screw thread；Connection is solid
Determine the crossover sub of tip side（11）Internal thread and strain gauge load cell（1）External thread bolt connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721884484.6U CN207623006U (en) | 2017-12-28 | 2017-12-28 | A kind of test device for checking Petroleum Down-hole Tool tensile compression test frame precision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721884484.6U CN207623006U (en) | 2017-12-28 | 2017-12-28 | A kind of test device for checking Petroleum Down-hole Tool tensile compression test frame precision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207623006U true CN207623006U (en) | 2018-07-17 |
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ID=62830735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721884484.6U Active CN207623006U (en) | 2017-12-28 | 2017-12-28 | A kind of test device for checking Petroleum Down-hole Tool tensile compression test frame precision |
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| Country | Link |
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| CN (1) | CN207623006U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225754A (en) * | 2017-12-28 | 2018-06-29 | 贵州高峰石油机械股份有限公司 | A kind of test device for being used to check Petroleum Down-hole Tool tensile compression test frame precision |
| CN108225754B (en) * | 2017-12-28 | 2024-04-26 | 贵州高峰石油机械股份有限公司 | Testing device for checking accuracy of pulling and pressing test frame of petroleum downhole tool |
-
2017
- 2017-12-28 CN CN201721884484.6U patent/CN207623006U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225754A (en) * | 2017-12-28 | 2018-06-29 | 贵州高峰石油机械股份有限公司 | A kind of test device for being used to check Petroleum Down-hole Tool tensile compression test frame precision |
| CN108225754B (en) * | 2017-12-28 | 2024-04-26 | 贵州高峰石油机械股份有限公司 | Testing device for checking accuracy of pulling and pressing test frame of petroleum downhole tool |
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