CN112924315A - Many sizes model pile bending moment calibration loading device - Google Patents
Many sizes model pile bending moment calibration loading device Download PDFInfo
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- CN112924315A CN112924315A CN202110350007.6A CN202110350007A CN112924315A CN 112924315 A CN112924315 A CN 112924315A CN 202110350007 A CN202110350007 A CN 202110350007A CN 112924315 A CN112924315 A CN 112924315A
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- 238000005452 bending Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 210000004907 gland Anatomy 0.000 claims description 18
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000003416 augmentation Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/62—Manufacturing, calibrating, or repairing devices used in investigations covered by the preceding subgroups
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0023—Bending
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
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- General Health & Medical Sciences (AREA)
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- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention provides a multi-size model pile bending moment calibration loading device which comprises a base and a pipe clamping mechanism arranged on the base and adjustable in distance, wherein model piles are arranged on the pipe clamping mechanism, and a force applying mechanism for applying acting force to the model piles is arranged in the middle of the pipe clamping mechanism. According to the multi-size model pile bending moment calibration loading device, model piles with different lengths and thicknesses can be calibrated by replacing upper and lower pipe clamps of different types and adjusting the distance between the pipe clamping fixing seat and the pipe clamping sliding seat, so that the working time is saved, and the working efficiency is improved.
Description
Technical Field
The invention belongs to the field of model loading devices, and particularly relates to a multi-size model pile bending moment calibration loading device.
Background
In the geotechnical centrifugal model test, a large number of model tests related to building pile foundations are involved, the size and the wall thickness of a model pile are obtained through conversion according to a corresponding scale before the test, then the stress condition of a pile body is measured in a mode of pasting a strain gauge on the model pile, and before the formal test, the model pile pasted with the strain gauge needs to be subjected to mechanical state calibration so as to obtain the corresponding relation between the stress of the model pile and the voltage change of the strain gauge, so that the accuracy of the test result is directly influenced by the correctness of calibration parameters of the relation.
At present, a calibration method for a model pile is generally used in a mode that two ends of the model pile are erected on a support, the middle of the model pile is suspended, and a weight is suspended in the middle of the model pile. However, the method has the defects of being incapable of effectively fixing the model pile, inaccurate in loading point position and the like, and influences the calibration result.
In conclusion, a bending moment calibration loading device for multi-size model piles is urgently needed to be developed.
Disclosure of Invention
In view of the above, the invention aims to provide a multi-size model pile bending moment calibration loading device, which can realize calibration of model piles with different lengths and thicknesses by replacing upper and lower pipe clamps of different types and adjusting the distance between a pipe clamping fixing seat and a pipe clamping sliding seat, thereby saving the working time and improving the working efficiency.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides a loading attachment is markd to many sizes model stake moment of flexure, includes the base to and set up on the base and press from both sides a tub mechanism that the interval is adjustable, the model stake sets up on pressing from both sides tub mechanism, presss from both sides the intermediate position of tub mechanism and is provided with the straining device that exerts the effort to the model stake.
Further, be provided with the guide rail on the base, double-layered pipe mechanism is including pressing from both sides a tub fixing base and pressing from both sides a tub sliding seat, press from both sides the fixed one end that sets up at the base of a tub fixing base, press from both sides a tub sliding seat and set up on the guide rail, press from both sides a tub fixing base, press from both sides the mechanism, press from both sides between the tub sliding seat through the first ball and the second ball connection that the level set up, ensure that the position of pressing from both sides the mechanism is located the center of pressing from both sides a tub fixing base and a tub sliding seat all the time.
Furthermore, a first ball screw penetrates through the clamping tube sliding seat and the stress application mechanism in sequence and then is connected with the clamping tube fixing seat through a bearing, the first ball screw is connected with the clamping tube sliding seat through a ball nut, and the first ball screw penetrates through a stress application sliding block of the stress application mechanism and is not in contact with the first ball screw; one end of the second ball screw is connected with the pipe clamping fixing seat through a bearing, and the other end of the second ball screw is connected with the stress application sliding block through a ball nut; all be provided with the gear on first ball and the second ball, both pass through gear engagement.
Further, the stress application mechanism comprises a stress application sliding block and a pressing rod, the stress application sliding block is arranged on the guide rail, one end of the pressing rod is hinged to the stress application sliding block through a rotating shaft, the other end of the pressing rod is hinged to the tray, a semicircular pressing block is arranged below the pressing rod and above the model pile, and the semicircular pressing block and the pressing rod enable the pressing rod to be horizontal through bolt adjustment. The semicircular pressing block is also provided with two guide rods, the corresponding pressing rods are provided with two guide rod through holes, and the guide rods are arranged to prevent the semicircular pressing block from rotating.
Further, the pipe clamping fixing seat and the pipe clamping sliding seat from bottom to top respectively comprise a pipe clamping seat, a lower pipe clamp, an upper pipe clamp and a gland, the lower pipe clamp is arranged on the pipe clamping seat, the upper pipe clamp is arranged on the lower pipe clamp, the gland is arranged on the upper pipe clamp, the gland is connected with the pipe clamping seat through a bolt, the lower pipe clamp and the upper pipe clamp are fixed, semi-circular arcs are arranged on the opposite sides of the lower pipe clamp and the upper pipe clamp, the opposite sides of the lower pipe clamp and the upper pipe clamp form a circular shape, and the model pile is arranged between the lower pipe clamp and the upper pipe.
The semicircular shapes and sizes of the lower pipe clamp, the upper pipe clamp and the semicircular pressing block are the same, and when model piles with different calibers are clamped, the lower pipe clamp, the upper pipe clamp and the semicircular pressing block with corresponding sizes need to be replaced.
Further, the outer sides of the lower pipe clamp and the upper pipe clamp are provided with protrusions, the pipe clamping seat and the gland are provided with grooves, the lower pipe clamp is arranged in the pipe clamping seat through the cooperation of the protrusions and the grooves, and the upper pipe clamp is arranged in the gland through the cooperation of the protrusions and the grooves.
Further, the pitch of the first ball screw is 2 times that of the second ball screw. Firstly, the thrust augmentation sliding block is positioned between the pipe clamping fixed seat and the pipe clamping sliding seat, and the moving distance of the pipe clamping sliding seat is 2 times of the moving distance of the thrust augmentation sliding block, so that the thrust augmentation sliding block can be ensured to be positioned between the pipe clamping fixed seat and the pipe clamping sliding seat all the time.
Further, the guiding directions of the first ball screw and the second ball screw are opposite.
Furthermore, one end of the first ball screw penetrating through the clamping tube sliding seat is provided with a handle. The twist grip, the double-layered pipe sliding seat removes, because contactless between afterburning sliding block and the first ball, consequently afterburning sliding block can not remove, first ball passes through the gear and drives second ball and rotate, wherein the tooth number of two gears is the same, second ball rotates and drives afterburning sliding block promptly and removes along the guide rail direction, because the pitch of first ball is 2 times of the pitch of second ball, consequently, the distance that the double-layered pipe sliding seat removed is 2 times of afterburning sliding block displacement, guaranteed that afterburning sliding block is located between double-layered pipe fixing base and the double-layered pipe sliding seat all the time, consequently, can carry out the application of force to the intermediate position of model stake all the time.
Furthermore, scales are arranged on the base.
Furthermore, the device needs to paste a strain gauge on the model pile in advance and complete all calibration work of the model pile by combining the strain gauge.
The working principle is as follows:
1. and (4) sticking a strain gauge on the model pile in advance, and connecting a strain gauge lead to the strain gauge.
2. And selecting a proper lower pipe clamp and an upper pipe clamp according to the diameter of the model pile, and putting the lower pipe clamp into the pipe clamping seat.
3. And selecting a proper semicircular pressing block to be inserted into the pressing rod according to the diameter of the model pile.
4. The handle is rotated to adjust the distance between the pipe clamping fixing seat and the pipe clamping sliding seat, so that the distance between the pipe clamping fixing seat and the pipe clamping sliding seat is equal to the length of the model pile, and the model pile is placed.
5. And (4) buckling an upper pipe clamp on the model pile, then buckling a gland on the upper pipe clamp, and firmly locking the model pile by using a bolt.
6. And pressing the pressure lever on the model pile, adjusting the bolt to enable the pressure lever to be horizontal, and adjusting the bolt to enable the pressure lever to be located in the horizontal direction.
7. And adding a first-level weight on the tray according to specific requirements, and collecting the reading of the strain gauge at the moment.
8. And continuously adding second-level, third-level and … … -level weights on the tray, and collecting the reading of each level of strain gauge to finish the calibration process.
Compared with the prior art, the multi-size model pile bending moment calibration loading device has the following advantages:
the multi-size model pile bending moment calibration loading device can flexibly adapt to model piles with different diameters and lengths, meanwhile, the position of the pressure loading point can be automatically adjusted to the middle of the model pile according to the length of the model pile, and through the amplification effect of the multiplying power of the pressure lever, the calibration used weight is smaller, the equipment is lighter, the working efficiency is improved, and the working time is saved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a multi-dimensional model pile bending moment calibration loading device according to an embodiment of the invention;
FIG. 2 is a schematic view of the model pile of FIG. 1 with the model pile removed;
FIG. 3 is a schematic structural view of a tube clamping sliding seat according to an embodiment of the present invention;
FIG. 4 is a schematic view of the lower and upper tube clamps of an embodiment of the present invention mated together;
FIG. 5 is a schematic structural diagram of a collet base according to an embodiment of the invention;
FIG. 6 is a schematic structural view of a lower clamp according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a gland according to an embodiment of the present invention.
Description of reference numerals:
1-a base; 2-a guide rail; 3-clamping the tube fixing seat; 301-pinch seat; 302-lower pipe clamp; 303-upper pipe clamp; 304-a gland; 4-clamping the tube sliding seat; 5-a force application mechanism; 501-stress slider; 502-a compression bar; 503-a guide bar; 6-a first ball screw; 7-a second ball screw; 8-ball nut; 9-gear; 10-a tray; 11-semicircular pressing blocks; 12-a handle; 13-model pile.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The utility model provides a many sizes model stake moment of flexure are markd loading attachment, includes base 1 to and set up on base 1 and the pipe clamping mechanism of interval adjustable, model stake 13 sets up on pipe clamping mechanism, and pipe clamping mechanism's intermediate position is provided with the energizing mechanism 5 that exerts the effort to model stake 13.
Above-mentioned, be provided with guide rail 2 on the base 1, double-layered pipe mechanism is including pressing from both sides pipe fixing base 3 and pressing from both sides pipe sliding seat 4, 3 fixed settings in the one end of base 1 of pressing from both sides pipe fixing base, press from both sides pipe sliding seat 4 and set up on guide rail 2, add power mechanism 5 and be located between pressing from both sides pipe fixing base 3 and the pipe sliding seat 4 of pressing from both sides, and set up on guide rail 2, press from both sides pipe fixing base 3, add power mechanism 5, it connects through the first ball 6 and the second ball 7 that the level set up between the pipe sliding seat 4 to press from both sides, ensure that the position of adding power mechanism 5 is located the center of pressing from both sides pipe fixing base 3 and.
The first ball screw 6 sequentially penetrates through the pipe clamping sliding seat 4 and the force applying mechanism 5 and then is connected with the pipe clamping fixing seat 3 through a bearing, the first ball screw 6 is connected with the pipe clamping sliding seat 4 through a ball nut 8, and the first ball screw 6 penetrates through a force applying sliding block 501 of the force applying mechanism 5 and is not in contact with each other; one end of a second ball screw 7 is connected with the pipe clamping fixing seat 3 through a bearing, and the other end of the second ball screw is connected with a stress application sliding block 501 through a ball nut 8; the first ball screw 6 and the second ball screw 7 are both provided with a gear 9, and the first ball screw and the second ball screw are meshed through the gear 9.
Above-mentioned, straining device 5 includes afterburning sliding block 501 and depression bar 502, and afterburning sliding block 501 sets up on guide rail 2, and one end and afterburning sliding block 501 of depression bar 502 are articulated through the axis of rotation, and the other end of depression bar 502 is articulated with tray 10, and the below of depression bar 502 and the higher authority that is located the model pile 13 are provided with semi-circular briquetting 11, and semi-circular briquetting 11 makes the depression bar 502 level through the bolt adjustment with depression bar 502. The semicircular pressing block 11 is further provided with two guide rods 503, the corresponding pressure rod 502 is provided with two guide rods 503 through holes, and the guide rods 503 are arranged to prevent the semicircular pressing block 11 from rotating.
Above-mentioned, press from bottom to top all including pressing from both sides tube socket 301 with pressing from both sides pipe fixing base 3 and pressing from both sides pipe sliding seat 4, lower tube clamp 302, upper tube clamp 303 and gland 304, lower tube clamp 302 sets up on pressing from both sides tube socket 301, upper tube clamp 303 sets up on lower tube clamp 302, gland 304 sets up on upper tube clamp 303, and gland 304 passes through bolted connection with pressing from both sides tube socket 301, fix lower tube clamp 302 and upper tube clamp 303, wherein lower tube clamp 302, the opposite side of upper tube clamp 303 all is provided with the semicircle, it is circular to form, and model pile 13 sets up at lower tube clamp 302, between the upper tube clamp 303.
The semicircular shapes and sizes of the lower pipe clamp 302, the upper pipe clamp 303 and the semicircular pressing block 11 are the same, and when model piles 13 with different calibers are clamped, the lower pipe clamp 302, the upper pipe clamp 303 and the semicircular pressing block 11 with corresponding sizes need to be replaced.
Above-mentioned, the outside of lower pipe clamp 302 and upper pipe clamp 303 all is provided with the protrusion, all is provided with the recess on pressing from both sides pipe holder 301 and the gland 304, and lower pipe clamp 302 sets up in pressing from both sides pipe holder 301 through the cooperation of protrusion and recess, and upper pipe clamp 303 sets up in gland 304 through the cooperation of protrusion and recess.
As described above, the pitch of the first ball screw 6 is 2 times the pitch of the second ball screw 7. Firstly, the thrust augmentation sliding block 501 is positioned between the pipe clamping fixed seat 3 and the pipe clamping sliding seat 4, and the moving distance of the pipe clamping sliding seat 4 is 2 times of the moving distance of the thrust augmentation sliding block 501, so that the thrust augmentation sliding block 501 can be ensured to be positioned between the pipe clamping fixed seat 3 and the pipe clamping sliding seat 4 all the time.
The first ball screw 6 and the second ball screw 7 are guided in opposite directions.
The first ball screw 6 is provided with a handle 12 through one end of the tube clamping sliding seat 4. Rotating handle 12, double-layered pipe sliding seat 4 removes, because contactless between boost sliding block 501 and the first ball 6, consequently boost sliding block 501 can not remove, first ball 6 drives second ball 7 through gear 9 and rotates, wherein the number of teeth of two gear 9 is the same, second ball 7 rotates and drives boost sliding block 501 and remove along 2 directions of guide rail promptly, because the pitch of first ball 6 is 2 times of the pitch of second ball 7, consequently, the distance that double-layered pipe sliding seat 4 removed is 2 times of boost sliding block 501 displacement, guaranteed that boost sliding block 501 is located between double-layered pipe fixing base 3 and the double-layered pipe sliding seat 4 all the time, consequently can carry out the application of force to the intermediate position of model pile 13 all the time.
The base 1 is provided with scales.
The working principle is as follows:
1. a strain gauge is attached to the model pile 13 in advance, and a strain gauge wire is connected to the strain gauge.
2. The lower pipe clamp 302 and the upper pipe clamp 303 are selected according to the diameter of the model pile 13, and the lower pipe clamp 302 is placed in the clamp base 301.
3. An appropriate semicircular pressing block 11 is selected according to the diameter of the model pile 13 and inserted into the pressing rod 502.
4. The distance between the pipe clamping fixed seat 3 and the pipe clamping sliding seat 4 is adjusted by rotating the handle 12, so that the distance between the pipe clamping fixed seat 3 and the pipe clamping sliding seat 4 is equal to the length of the model pile 13, and the model pile 13 is placed.
5. The upper pipe clamp 303 is fastened to the model pile 13, and then the pressing cover 304 is fastened to the upper pipe clamp 303, and the model pile 13 is firmly fastened using bolts.
6. The press rod 502 is pressed against the model pile 13, the bolt is adjusted to make the press rod 502 horizontal, and the bolt is adjusted to make the press rod 502 in the horizontal direction.
7. According to specific requirements, a first-level weight is added on the tray 10, and the reading of the strain gauge at the moment is collected.
8. And continuously adding second-level, third-level and … … -level weights on the tray 10, and collecting the reading of each level of strain gauge to finish the calibration process.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a many sizes model stake moment of flexure calibration loading attachment which characterized in that: the pipe clamping mechanism comprises a base and a pipe clamping mechanism arranged on the base, wherein the distance between the pipe clamping mechanism and the pipe clamping mechanism is adjustable, a model pile is arranged on the pipe clamping mechanism, and a force applying mechanism for applying acting force to the model pile is arranged in the middle of the pipe clamping mechanism.
2. The multi-size model pile bending moment calibration loading device of claim 1, wherein: be provided with the guide rail on the base, press from both sides tub mechanism including pressing from both sides tub fixing base and pressing from both sides tub sliding seat, press from both sides the fixed one end that sets up at the base of tub fixing base, press from both sides tub sliding seat setting on the guide rail, the mechanism of applying force is located between pressing from both sides tub fixing base and the pipe clamping sliding seat, and set up on the guide rail, press from both sides tub fixing base, the mechanism of applying force, press from both sides first ball and the second ball that sets up through the level between the tub sliding seat and connect, ensure that the position of the mechanism of applying force is located the center of pressing from both sides tub fixing base.
3. The multi-size model pile bending moment calibration loading device of claim 2, wherein: the first ball screw penetrates through the clamping tube sliding seat and the stressing mechanism in sequence and then is connected with the clamping tube fixing seat through a bearing, the first ball screw is connected with the clamping tube sliding seat through a ball nut, and the first ball screw penetrates through a stressing sliding block of the stressing mechanism and is not in contact with the first ball screw; one end of the second ball screw is connected with the pipe clamping fixing seat through a bearing, and the other end of the second ball screw is connected with the stress application sliding block through a ball nut; all be provided with the gear on first ball and the second ball, both pass through gear engagement.
4. The multi-size model pile bending moment calibration loading device of claim 1, wherein: the stressing mechanism comprises a stressing sliding block and a pressing rod, the stressing sliding block is arranged on the guide rail, one end of the pressing rod is hinged to the stressing sliding block through a rotating shaft, the other end of the pressing rod is hinged to the tray, a semicircular pressing block is arranged below the pressing rod and on the model pile, and the semicircular pressing block and the pressing rod enable the pressing rod to be horizontal through bolt adjustment.
5. The multi-size model pile bending moment calibration loading device of claim 2, wherein: the clamp pipe fixing seat and the clamp pipe sliding seat from bottom to top comprise a clamp pipe seat, a lower pipe clamp, an upper pipe clamp and a gland, the lower pipe clamp is arranged on the clamp pipe seat, the upper pipe clamp is arranged on the lower pipe clamp, the gland is arranged on the upper pipe clamp, the gland and the clamp pipe seat are connected through a bolt, the lower pipe clamp and the upper pipe clamp are fixed, the opposite sides of the lower pipe clamp and the upper pipe clamp are provided with semicircular arcs, the shape of the semicircular arc is formed, and the model pile is arranged between the lower pipe clamp and the upper pipe clamp.
6. The multi-size model pile bending moment calibration loading device of claim 5, wherein: the outside of lower pipe clamp and last pipe clamp all is provided with the protrusion, all is provided with the recess on tube clamping seat and the gland, and lower pipe clamp sets up in tube clamping seat through the cooperation of protrusion and recess, and the cooperation that the top tube clamp passes through protrusion and recess sets up in the gland.
7. The multi-size model pile bending moment calibration loading device of claim 3, wherein: the pitch of the first ball screw is 2 times the pitch of the second ball screw.
8. The multi-size model pile bending moment calibration loading device of claim 3, wherein: the guiding directions of the first ball screw and the second ball screw are opposite.
9. The multi-size model pile bending moment calibration loading device of claim 3, wherein: one end of the first ball screw penetrating through the clamping pipe sliding seat is provided with a handle.
10. The multi-size model pile bending moment calibration loading device of claim 1, wherein: the base is provided with scales.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110350007.6A CN112924315A (en) | 2021-03-31 | 2021-03-31 | Many sizes model pile bending moment calibration loading device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110350007.6A CN112924315A (en) | 2021-03-31 | 2021-03-31 | Many sizes model pile bending moment calibration loading device |
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| CN112924315A true CN112924315A (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110350007.6A Pending CN112924315A (en) | 2021-03-31 | 2021-03-31 | Many sizes model pile bending moment calibration loading device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08219962A (en) * | 1995-02-10 | 1996-08-30 | Mitsubishi Heavy Ind Ltd | Out-of-plane bending tester for piping elbow |
| CN104132766A (en) * | 2014-08-01 | 2014-11-05 | 昆山市创新科技检测仪器有限公司 | High-precision torque detection device |
| CN108896382A (en) * | 2018-07-06 | 2018-11-27 | 芜湖职业技术学院 | Mechanical load test device for variable working condition |
| CN111089799A (en) * | 2019-12-20 | 2020-05-01 | 扬州大学 | Vertical loading test device and test method for indoor model pile |
| CN214894639U (en) * | 2021-03-31 | 2021-11-26 | 安徽省引江济淮集团有限公司 | Many sizes model pile bending moment calibration loading device |
-
2021
- 2021-03-31 CN CN202110350007.6A patent/CN112924315A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08219962A (en) * | 1995-02-10 | 1996-08-30 | Mitsubishi Heavy Ind Ltd | Out-of-plane bending tester for piping elbow |
| CN104132766A (en) * | 2014-08-01 | 2014-11-05 | 昆山市创新科技检测仪器有限公司 | High-precision torque detection device |
| CN108896382A (en) * | 2018-07-06 | 2018-11-27 | 芜湖职业技术学院 | Mechanical load test device for variable working condition |
| CN111089799A (en) * | 2019-12-20 | 2020-05-01 | 扬州大学 | Vertical loading test device and test method for indoor model pile |
| CN214894639U (en) * | 2021-03-31 | 2021-11-26 | 安徽省引江济淮集团有限公司 | Many sizes model pile bending moment calibration loading device |
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