CN115950737A - Ring rigidity testing device of non-pressure hard pipe - Google Patents
Ring rigidity testing device of non-pressure hard pipe Download PDFInfo
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- CN115950737A CN115950737A CN202211654944.1A CN202211654944A CN115950737A CN 115950737 A CN115950737 A CN 115950737A CN 202211654944 A CN202211654944 A CN 202211654944A CN 115950737 A CN115950737 A CN 115950737A
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- outer box
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- ring stiffness
- pipeline
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The invention discloses a ring stiffness testing device of a pressureless hard pipe, which comprises an outer box body with openings on the front side and the upper side, wherein an extrusion space is arranged inside the outer box body, a pressing plate is arranged in the extrusion space in a sliding manner, a receiving groove is arranged on the upper side of the pressing plate, a limiting mechanism used for carrying out initial limiting on the pressing plate is arranged on the bottom wall of the extrusion space, a fixed block is arranged on the left side of the outer box body, an electronic scale is arranged on the upper side of the fixed block, an initial groove used for placing metal fine sand is arranged on the upper side of the electronic scale, a discharge pipe is connected to one side of the initial groove close to the outer box body, gradual adjustment and pressurization of external pressure of a pipeline are realized through the metal fine sand, and the discharge pipe of the metal fine sand is automatically controlled to be closed through displacement caused by pipeline deformation and the calculated maximum allowable deformation of the pipeline, so that the ring stiffness of the pipeline is accurately calculated, and the requirement of initial inspection of a manufacturer is met.
Description
Technical Field
The invention relates to the field of ring stiffness test, in particular to a ring stiffness test device for a pressureless hard pipe.
Background
The ring stiffness is the load borne by the pressure pipeline, and has internal pressure and external pressure, and the non-pressure pipeline bears external pressure load;
the factory is when developing the pipeline of new material, often need the ring rigidity of test tube way, learn whether new material pipeline satisfies the operation requirement, but the ring rigidity tester price of standard is higher, the producer can select special accredited testing organization to detect, but the check-out time is probably longer, and still need pay the testing cost, simultaneously, the research and development of a new material pipeline often is not once just can succeed, consequently need to go through the censorship many times, and this step can waste very much time and energy, consequently, it is very necessary to design a low price, do not require the preliminary ring rigidity check-out test set of high accuracy to satisfy the inside preliminary examination requirement of producer, get rid of some sample that obviously does not conform to the requirement, reduce the number of times of special censorship, accelerate the research and development progress.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a ring stiffness testing device of a pressureless hard pipe, which gradually adjusts and pressurizes the external pressure of a pipeline through metal fine sand, and automatically controls the closing of a metal fine sand discharge pipe through displacement caused by pipeline deformation and the calculated maximum allowable deformation of the pipeline, so that the ring stiffness of the pipeline is accurately calculated, and the requirement of initial inspection of a manufacturer is met.
Technical scheme
The utility model provides a ring rigidity testing arrangement of non-pressure hard tube, includes front side and upside open-ended outer box, the inside of outer box is provided with the extrusion space, it is provided with the clamp plate to slide in the extrusion space, the receiving tank has been placed to the upside of clamp plate, be provided with on the diapire of extrusion space and be used for the clamp plate carries out initial spacing stop gear, the left side of outer box is provided with the fixed block, the upside of fixed block is provided with the electronic scale, the upside of electronic scale is provided with the initial groove that is used for placing the metal fine sand, be close to of initial groove one side of outer box is connected with the discharge pipe, the inside of receiving tank is provided with and is used for sealing discharge pipe exhaust prevention mechanism.
Furthermore, the stopping mechanism comprises a telescopic rod fixedly arranged at the bottom of the receiving groove, a baffle is fixedly connected to the upper side of the telescopic rod, and a through groove penetrates through the left side surface and the right side surface of the baffle.
Furthermore, the front surface of the outer box body is provided with scale values, and the lower end of the outer box body is zero.
Furthermore, stop gear including set firmly in the electric putter on the extrusion space diapire, electric putter's top fixedly connected with can aim at the gauge rod of scale value.
Furthermore, the pressure plate and the inner wall of the extrusion space can only slide up and down.
Further, the telescopic rod is provided with an extrusion screw for fixing.
Further, one end of the discharge pipe close to the receiving tank is provided with a switch valve.
Furthermore, the rear wall of the through groove is provided with scales, and the upper end of the through groove is zero.
Advantageous effects
Compared with the prior art, the invention has the following beneficial effects: realize the gradual adjustment pressure boost of pipeline external pressure through the metal fine sand, the biggest deformation volume that allows of pipeline that the displacement combination that arouses through pipeline deformation arouses calculates the closing of automatic control metal fine sand discharge pipe to comparatively accurate calculation pipeline's ring rigidity satisfies the primary detection requirement of producer, and the overall structure principle is very simple, and it is swift convenient to use, and the low price is worth promoting.
Drawings
Fig. 1 is a schematic structural diagram of a ring stiffness testing device for a pressureless hard pipe according to the present invention.
Reference numerals
The device comprises a limiting mechanism 901, a stopping mechanism 902, an outer box body 1, an extrusion space 2, an electric push rod 3, a scale value 4, a fixing block 5, an indicating rod 6, a pressing plate 7, a receiving groove 8, an expansion rod 9, an extrusion screw 10, a through groove 11, a switch valve 12, a baffle plate 13, a discharge pipe 14, an initial groove 15 and an electronic scale 16.
Detailed Description
For a better illustration of the invention, reference is made to the following description, taken in conjunction with the accompanying drawings and examples:
the invention discloses a ring stiffness testing device of a pressureless hard pipe, which comprises an outer box body 1 with openings on the front side and the upper side, wherein an extrusion space 2 is arranged inside the outer box body 1, a pressing plate 7 is arranged in the extrusion space 2 in a sliding manner, a receiving groove 8 is arranged on the upper side of the pressing plate 7, a limiting mechanism 901 for performing initial limiting on the pressing plate 7 is arranged on the bottom wall of the extrusion space 2, a fixed block 5 is arranged on the left side of the outer box body 1, an electronic scale 16 is arranged on the upper side of the fixed block 5, an initial groove 15 for placing metal fine sand is arranged on the upper side of the electronic scale 16, a discharge pipe 14 is connected to one side of the initial groove 15 close to the outer box body 1, and a stopping mechanism 902 for closing the discharge pipe 14 to discharge is arranged inside the receiving groove 8.
Further, the stopping mechanism 902 comprises an expansion link 9 fixedly arranged at the bottom of the receiving groove 8, a baffle 13 is fixedly connected to the upper side of the expansion link 9, and a through groove 11 penetrates through the left and right side surfaces of the baffle 13.
Further, a scale value 4 is arranged on the front surface of the outer box 1, and the lower end of the scale value is zero.
Further, the limiting mechanism 901 comprises an electric push rod 3 fixedly arranged on the bottom wall of the extrusion space 2, and an indicating rod 6 capable of aligning with the scale value 4 is fixedly connected to the top of the electric push rod 3.
Further, the pressing plate 7 and the inner wall of the extrusion space 2 can only slide up and down.
Further, the telescopic rod 9 is provided with a compression screw 10 for fixation.
Further, an on-off valve 12 is provided at one end of the discharge pipe 14 close to the receiving tank 8.
Furthermore, a scale (not shown) is arranged on the rear wall of the through groove 11, and the upper end of the through groove is zero.
Specifically, when the rigidity of the ring needs to be tested, the pipeline is placed at the bottom of the extrusion space 2, then the electric push rod 3 is started and the indicating rod 6 is adjusted to a corresponding value according to the outer diameter of the pipeline, and then the pressure plate 7 freely slides down to the indicating rod 6 and is limited by the indicating rod 6;
calculating the maximum deformation displacement during the pipeline test according to the diameter size of the pipeline;
then the telescopic rod 9 is loosened through the extrusion screw 10, the bottom of the outlet of the switch valve 12 is adjusted to align with the scale of the through groove 11, and the aligned scale value is equal to the maximum deformation displacement;
then the telescopic rod 9 is fixed through the extrusion screw 10;
then starting the electric push rod 3 and controlling the indicating rod 6 to move downwards until the distance to which the indicating rod moves is greater than the maximum deformation displacement;
then recording the initial value of the electronic scale 16 and opening the switch valve 12;
then the fine metal sand in the initial tank 5 will flow into the receiving tank 8 through the discharge pipe 14, and the gravity on the upper side of the pressing plate 7 is increased, thereby gradually pressing the pipeline downwards;
the pipeline is gradually deformed and flattened;
so that the pressing plate 7 gradually moves downwards, and the baffle 13 also gradually moves downwards;
when the top of the through groove 11 (i.e. the zero scale value) moves to the lower side of the outlet of the switch valve 12, the baffle 13 just blocks the discharge pipe 14 completely, the fine metal sand does not flow out at this time, and the downward displacement of the baffle 13 is just equal to the maximum deformation displacement;
namely, at the moment, the pipeline is just in the state of the standard maximum deformation displacement;
at this time, the numerical value of the electronic scale 16 is recorded again, and the difference value of the two numerical values is the weight of the outflowing metal fine sand;
meanwhile, the total pressure born by the pipeline can be obtained by adding the pressure plate 7 and the self-gravity of each part on the pressure plate;
and then calculating the ring stiffness of the pipeline according to the size of the pipeline.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the technical solutions of the present invention have been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that the technical solutions described in the foregoing embodiments can be modified or some technical features can be replaced equally; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a ring rigidity testing arrangement of non-pressure hard tube which characterized in that: including front side and upside open-ended outer box (1), the inside of outer box (1) is provided with extrusion space (2), it is provided with clamp plate (7) to slide in extrusion space (2), receiving groove (8) have been placed to the upside of clamp plate (7), be provided with on the diapire of extrusion space (2) and be used for giving clamp plate (7) carry out initial spacing stop gear (901), the left side of outer box (1) is provided with fixed block (5), the upside of fixed block (5) is provided with electronic scale (16), the upside of electronic scale (16) is provided with initial groove (15) that are used for placing the metal fine sand, being close to of initial groove (15) one side of outer box (1) is connected with discharge pipe (14), the inside of receiving groove (8) is provided with and is used for sealing discharge pipe (14) exhaust prevention mechanism (902).
2. The apparatus for testing ring stiffness of pressureless hard pipe according to claim 1, wherein: the stopping mechanism (902) comprises an expansion link (9) fixedly arranged at the bottom of the receiving groove (8), a baffle (13) is fixedly connected to the upper side of the expansion link (9), and a through groove (11) penetrates through the left side surface and the right side surface of the baffle (13).
3. The ring stiffness testing device of the pressureless hard pipe according to claim 2, characterized in that: the front surface of the outer box body (1) is provided with a scale value (4), and the lower end of the outer box body is zero.
4. The ring stiffness testing device of the pressureless hard pipe according to claim 3, characterized in that: the limiting mechanism (901) comprises an electric push rod (3) fixedly arranged on the bottom wall of the extrusion space (2), and the top of the electric push rod (3) is fixedly connected with an indicating rod (6) capable of aligning with the scale value (4).
5. The apparatus for testing ring stiffness of pressureless hard pipe according to claim 4, wherein: the pressing plate (7) and the inner wall of the extrusion space (2) can only slide up and down.
6. The ring stiffness testing device of the pressureless hard pipe according to claim 5, wherein: the telescopic rod (9) is provided with an extrusion screw (10) for fixing.
7. The apparatus for testing ring stiffness of pressureless hard pipe according to claim 6, wherein: and one end of the discharge pipe (14) close to the receiving groove (8) is provided with a switch valve (12).
8. The apparatus for testing ring stiffness of pressureless hard pipe according to claim 7, wherein: the rear wall of the through groove (11) is provided with scales, and the upper end of the through groove is zero.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211654944.1A CN115950737A (en) | 2022-12-22 | 2022-12-22 | Ring rigidity testing device of non-pressure hard pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211654944.1A CN115950737A (en) | 2022-12-22 | 2022-12-22 | Ring rigidity testing device of non-pressure hard pipe |
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| Publication Number | Publication Date |
|---|---|
| CN115950737A true CN115950737A (en) | 2023-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211654944.1A Pending CN115950737A (en) | 2022-12-22 | 2022-12-22 | Ring rigidity testing device of non-pressure hard pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116990135A (en) * | 2023-09-26 | 2023-11-03 | 衡水威格橡塑金属制品有限公司 | Transverse rigidity testing device for metal hose |
-
2022
- 2022-12-22 CN CN202211654944.1A patent/CN115950737A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116990135A (en) * | 2023-09-26 | 2023-11-03 | 衡水威格橡塑金属制品有限公司 | Transverse rigidity testing device for metal hose |
| CN116990135B (en) * | 2023-09-26 | 2023-12-12 | 衡水威格橡塑金属制品有限公司 | Transverse rigidity testing device for metal hose |
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