CN219957146U - Stress loading device for stress corrosion test of bending beam - Google Patents
Stress loading device for stress corrosion test of bending beam Download PDFInfo
- Publication number
- CN219957146U CN219957146U CN202320687700.7U CN202320687700U CN219957146U CN 219957146 U CN219957146 U CN 219957146U CN 202320687700 U CN202320687700 U CN 202320687700U CN 219957146 U CN219957146 U CN 219957146U
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- China
- Prior art keywords
- fastening bolt
- push rod
- test piece
- connecting rod
- bolt
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- 238000012360 testing method Methods 0.000 title claims abstract description 71
- 230000007797 corrosion Effects 0.000 title claims abstract description 27
- 238000005260 corrosion Methods 0.000 title claims abstract description 27
- 238000005452 bending Methods 0.000 title claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 238000009434 installation Methods 0.000 claims description 10
- 210000001503 joint Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000013001 point bending Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- 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
Abstract
The utility model discloses a stress loading device for a bending beam stress corrosion test. Two fastening bolt moving grooves and a central push rod moving groove are respectively formed in the upper mounting plate, and the two fastening bolt moving grooves are symmetrically arranged based on the central push rod moving groove. The reference mechanism is arranged above the upper mounting plate in a sliding manner and comprises a transmission connecting rod, a center push rod and a fastening bolt. The two fastening bolts are respectively vertically inserted in the two bolt moving grooves, and the center push rod is vertically inserted in the center push rod moving groove. One end of the first transmission connecting rod is arranged on the first fastening bolt, and the other end of the first transmission connecting rod is arranged on the central push rod; one end of the second transmission connecting rod is arranged on the second fastening bolt, and the other end of the second transmission connecting rod is arranged on the central push rod. The utility model can ensure the stability of the structure and simultaneously lead the test piece clamp and the test piece clamp fixing structure to be quickly and accurately installed, thereby effectively ensuring the working efficiency and the result accuracy of the stress corrosion experiment.
Description
Technical Field
The utility model relates to a stress corrosion resistance test of hydrogen sulfide, in particular to a stress loading device for a stress corrosion test of a bending beam.
Background
Stress corrosion is a failure phenomenon of materials, mechanical parts or components under the combined action of static stress and corrosion, and has the characteristics of wide existence, burst and unpredictability of cracking accidents and the like. Therefore, a four-point bending test is taken as a main stress corrosion test method, and a four-point loading sample is used for enabling a beam-shaped sample to be subjected to certain stress deformation by applying bending stress, wherein the applied stress is determined by the size of the sample, the distance between supporting points and the bending deflection. In the existing stress loading device for bending beam stress corrosion test, when a test piece clamp, a test piece pressurizing part and a test piece clamp fixing structure are arranged in a separated mode, the problems of inaccurate installation and positioning of the test piece clamp and too low installation and positioning speed generally exist in a part installation reference link of loading work.
What is needed is a stress loading device for stress corrosion test of bending beam, which can ensure the stability of the structure and make the test piece clamp and the test piece clamp fixing structure to be installed rapidly and accurately, so as to effectively ensure the working efficiency and result accuracy of the stress corrosion test.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a stress loading device for a stress corrosion test of a bending beam, which can ensure the stability of a structure and simultaneously ensure the quick and accurate installation of a test piece clamp and a test piece clamp fixing structure, thereby effectively ensuring the working efficiency and the result accuracy of the stress corrosion test.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a stress loading device for bending beam stress corrosion test comprises a base, a vertical mounting frame, an upper mounting plate, a test piece clamp and a reference mechanism.
The vertical setting of perpendicular mounting bracket is in the top of base, and upper mounting plate level sets up the top at the perpendicular mounting bracket.
Two fastening bolt moving grooves and a central push rod moving groove are respectively formed in the upper mounting plate, and the two fastening bolt moving grooves are symmetrically arranged based on the central push rod moving groove.
The reference mechanism is arranged above the upper mounting plate in a sliding manner and comprises a transmission connecting rod, a center push rod and a fastening bolt.
The fastening bolt comprises a fastening bolt I and a fastening bolt II, the fastening bolt I and the fastening bolt II are respectively vertically inserted into the two bolt moving grooves, and the center push rod is vertically inserted into the center push rod moving groove.
The transmission connecting rod comprises a transmission connecting rod I and a transmission connecting rod II, one end of the transmission connecting rod I is rotatably arranged on the fastening bolt I, and the other end of the transmission connecting rod I is rotatably arranged on the central push rod; one end of the second transmission connecting rod is rotatably arranged on the second fastening bolt, and the other end of the second transmission connecting rod is rotatably arranged on the central push rod.
The reference mechanism is used for controlling the first fastening bolt and the first fastening bolt to symmetrically move relative to the central push rod.
Two fastening bolt connecting holes are formed in the upper end of the test piece clamp, and the fastening bolt I and the fastening bolt II are respectively in threaded connection with the two fastening bolt connecting holes.
And the connecting ends of the first fastening bolt and the second fastening bolt, which are connected with the fastening bolt connecting holes, are respectively provided with a reference sleeve in a sliding manner.
And a section of reference hole is formed in the upper end of each fastening bolt connecting hole, and the diameter of each reference hole is the same as the outer diameter of the reference sleeve.
A stress loading device for bending beam stress corrosion test still includes anchor clamps frock frame, and anchor clamps frock frame includes left frock frame and right frock frame, and left frock frame and right frock frame are all installed on perpendicular mounting bracket vertical surface, and the both ends of test piece anchor clamps are placed at left frock frame and right frock frame upper end respectively the level.
The fixture tool frame is connected with the vertical mounting frame through a long round hole in a bolt mode.
The upper mounting plate further comprises a loading bolt, the loading bolt is vertically inserted into the upper mounting plate, a loading pressing block is arranged at the lower end of the loading bolt, and the loading pressing block is used for transmitting stress applied to the upper surface of the test piece clamp by the loading bolt.
The center push rod moving groove is parallel to the short side of the upper mounting plate, and the two fastening bolt moving grooves are positioned on the same straight line and are parallel to the long side of the upper mounting plate.
The two fastening bolt moving grooves are respectively arranged above the left tool frame and the right tool frame.
The stress loading device for the bending beam stress corrosion test further comprises a dial indicator clamping frame, wherein the dial indicator clamping frame is arranged on the vertical surface of the vertical mounting frame, and the dial indicator clamping frame is located below the fixture tool frame.
The digital display dial indicator is arranged inside the dial indicator clamping frame, the upper end of the digital display dial indicator is slidably provided with a lifting measuring rod, a round hole is vertically formed in the lower end of the test piece clamp, the test piece is arranged at the center position inside the test piece clamp, and the top of the lifting measuring rod penetrates through the round hole to be in contact with the lower surface of the test piece.
The utility model has the following beneficial effects:
1. according to the utility model, the test piece clamp is fixed and limited mainly through the vertically arranged fastening bolts and the horizontally arranged clamp tool frame, and the fastening bolts can control the two fastening bolts to perform equidistant displacement relative to the central position through the reference mechanism, so that the central position of the test piece clamp is aligned with the axle center of the loading bolt after the test piece clamp is assembled with the fastening bolts, and the test piece clamp is accurately installed; and meanwhile, the reference sleeve arranged at the bottom end of the fastening bolt is matched with the reference hole arranged at the upper end of the test piece clamp, so that the quick installation work between the test piece clamp and the fastening bolt is facilitated.
2. The fixture tool frame can provide stable support for the test piece fixture through the arrangement of the left fixture frame and the right fixture frame, and is suitable for the test piece fixture with a large range of sizes.
Drawings
FIG. 1 is a schematic view of a stress loading device for bending beam stress corrosion testing according to the present utility model.
Fig. 2 shows a schematic side view of fig. 1.
FIG. 3 shows a schematic structural view of a specimen holder in the present utility model.
Fig. 4 shows a schematic diagram of the structure of the removal jig tool rack in the present utility model.
Fig. 5 shows a schematic diagram of the assembly of the fastening bolt and the reference sleeve according to the utility model.
Fig. 6 shows a second schematic view of the assembly of the fastening bolt and the reference sleeve according to the utility model.
The method comprises the following steps:
10. a base;
20. a vertical mounting rack; 21. a slotted hole;
30. an upper mounting plate; 31. a fastening bolt moving groove; 32. a center push rod moving groove; 33. loading a bolt;
40. a reference mechanism;
41. a fastening bolt; 411. fastening a first bolt; 412. fastening a second bolt;
42. a transmission link; 421. a first transmission connecting rod; 422. a transmission connecting rod II;
43. a center push rod;
44. a reference sleeve;
50. a clamp tool rack; 51. a left tool rack; 52. a right tool rack;
60. a test piece clamp; 61. fastening bolt connection holes; 62. a reference hole; 63. loading a pressing block;
70. a dial gauge clamping frame; 71. a digital display dial gauge; 72. lifting the measuring rod.
Detailed Description
The utility model will be described in further detail with reference to the accompanying drawings and specific preferred embodiments.
In the description of the present utility model, it should be understood that the terms "left", "right", "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and "first", "second", etc. do not indicate the importance of the components, and thus are not to be construed as limiting the present utility model. The specific dimensions adopted in the present embodiment are only for illustrating the technical solution, and do not limit the protection scope of the present utility model.
As shown in fig. 1 and 2, a stress loading device for a bending beam stress corrosion test includes a base 10, a vertical mounting bracket 20, an upper mounting plate 30, a test piece holder 60, and a reference mechanism 40.
The vertical setting of perpendicular mounting bracket is in the top of base, and upper mounting plate level sets up the top at the perpendicular mounting bracket. Two fastening bolt moving grooves 31 and a central push rod moving groove 32 are respectively formed in the upper mounting plate, and the two fastening bolt moving grooves are symmetrically arranged based on the central push rod moving groove.
A reference mechanism is slidably disposed over the upper mounting plate, the reference mechanism including a drive link 42, a center pushrod 43 and a fastening bolt 41.
The fastening bolts comprise a first fastening bolt 411 and a second fastening bolt 412, the first fastening bolt and the second fastening bolt are respectively vertically inserted into the two bolt moving grooves, and the center push rod is vertically inserted into the center push rod moving groove. The transmission connecting rod comprises a transmission connecting rod 421 and a transmission connecting rod 422, one end of the transmission connecting rod is rotatably arranged on the first fastening bolt, and the other end of the transmission connecting rod is rotatably arranged on the central push rod; one end of the second transmission connecting rod is rotatably arranged on the second fastening bolt, and the other end of the second transmission connecting rod is rotatably arranged on the central push rod.
The center push rod moving groove is parallel to the short side of the upper mounting plate, the fastening bolt moving groove is parallel to the long side of the upper mounting plate, the two fastening bolt moving grooves are located on the same straight line, and the fastening bolt I and the fastening bolt II can respectively carry out symmetrical movement relative to the center push rod through the driving of the driving connecting rod I and the driving connecting rod II, so that the distance between the fastening bolt I and the fastening bolt relative to the center push rod is always the same.
As shown in fig. 3, the specimen holder is used for placing a specimen applied to a stress corrosion test of a bending beam, and the specimen is disposed at a central position inside the specimen holder. Two fastening bolt connecting holes 61 are symmetrically formed in the upper end of the test piece clamp, and the fastening bolt I and the fastening bolt II are in threaded connection with the two fastening bolt connecting holes respectively.
The upper mounting plate is provided with a loading bolt 33 at the central position, the loading bolt is vertically inserted on the upper mounting plate, the lower end of the loading bolt is provided with a loading pressing block 63, and the loading pressing block is used for transmitting stress applied to the upper surface of the test piece clamp by the loading bolt. In this embodiment, loading bolt and center push rod remove groove all are located last mounting panel central point department to make the test piece anchor clamps that are fixed via fastening bolt control both ends can lay the benchmark relative the center of last mounting panel, and then make loading bolt can carry out loading work in test piece anchor clamps central point department.
As shown in fig. 5 and 6, the first and second fastening bolts are each slidably provided with a reference sleeve 44 at the connection end with the fastening bolt connection hole. The upper ends of the fastening bolt connecting holes are provided with a section of reference hole 62, and the diameter of the reference hole is the same as the outer diameter of the reference sleeve. In the butt joint work of fastening bolt and fastening bolt connecting hole, can adopt the benchmark cover to carry out the priority butt joint with the benchmark hole, in this embodiment, benchmark cover and fastening bolt are coaxial to be laid, and the benchmark hole is coaxial to be laid with the bolted connection hole, consequently, can realize the accurate butt joint of fastening bolt and fastening bolt hole through the priority butt joint of benchmark cover and benchmark hole, avoid the inaccurate condition of fastening bolt terminal wearing and tearing that causes when producing certain inclination between fastening bolt and the fastening bolt hole.
As shown in fig. 4, the utility model further comprises a fixture tool rack 50, wherein the fixture tool rack comprises a left tool rack 51 and a right tool rack 52, the left tool rack and the right tool rack are both arranged on the vertical surface of the vertical installation rack, and two ends of the test piece fixture are respectively horizontally arranged at the upper ends of the left tool rack and the right tool rack. The fixture tool frame and the vertical mounting frame are preferably connected through the oblong holes 21 in a bolt manner, so that the fixture tool frame can provide stable support for the test piece fixture and is suitable for the test piece fixture with a large range of sizes
For fastening bolt can be better carry out fastening installation work to the test piece anchor clamps of anchor clamps frock frame top, two fastening bolt remove the groove and set up respectively in the vertical top of left frock frame and right frock frame.
The utility model also comprises a dial gauge clamping frame 70 which is arranged on the vertical surface of the vertical mounting frame and is positioned below the fixture tool frame. The digital display dial indicator 71 is arranged inside the dial indicator clamping frame, the upper end of the digital display dial indicator is slidably provided with a lifting measuring rod 72, a round hole is vertically formed in the lower end of the test piece clamp, and the top of the lifting measuring rod penetrates through the round hole to be in contact with the lower surface of the test piece. The digital display dial indicator can detect the deformation condition of the test piece after loading through the lifting measuring rod.
The preferred embodiments of the present utility model have been described in detail above, but the present utility model is not limited to the specific details of the above embodiments, and various equivalent changes can be made to the technical solution of the present utility model within the scope of the technical concept of the present utility model, and all the equivalent changes belong to the protection scope of the present utility model.
Claims (7)
1. A stress loading device for bending beam stress corrosion test, its characterized in that: the device comprises a base, a vertical mounting rack, an upper mounting plate, a test piece clamp and a reference mechanism;
the vertical installation frame is vertically arranged above the base, and the upper installation plate is horizontally arranged at the top end of the vertical installation frame;
two fastening bolt moving grooves and a central push rod moving groove are respectively formed in the upper mounting plate, and the two fastening bolt moving grooves are symmetrically arranged based on the central push rod moving groove;
the reference mechanism is arranged above the upper mounting plate in a sliding manner and comprises a transmission connecting rod, a central push rod and a fastening bolt;
the fastening bolt comprises a fastening bolt I and a fastening bolt II, the fastening bolt I and the fastening bolt II are respectively vertically inserted into the two bolt moving grooves, and the center push rod is vertically inserted into the center push rod moving groove;
the transmission connecting rod comprises a transmission connecting rod I and a transmission connecting rod II, one end of the transmission connecting rod I is rotatably arranged on the fastening bolt I, and the other end of the transmission connecting rod I is rotatably arranged on the central push rod; one end of the second transmission connecting rod is rotatably arranged on the second fastening bolt, and the other end of the second transmission connecting rod is rotatably arranged on the central push rod;
the reference mechanism is used for controlling the first fastening bolt and the first fastening bolt to symmetrically move relative to the two center push rods;
two fastening bolt connecting holes are formed in the upper end of the test piece clamp, and the fastening bolt I and the fastening bolt II are respectively in threaded connection with the two fastening bolt connecting holes.
2. The stress loading device for bending beam stress corrosion testing according to claim 1, wherein: the connecting ends of the first fastening bolt and the second fastening bolt, which are connected with the fastening bolt connecting holes, are provided with reference sleeves in a sliding manner;
and a section of reference hole is formed in the upper end of each fastening bolt connecting hole, and the diameter of each reference hole is the same as the outer diameter of the reference sleeve.
3. The stress loading device for bending beam stress corrosion testing according to claim 1, wherein: still include anchor clamps frock frame, anchor clamps frock frame includes left frock frame and right frock frame, and left frock frame and right frock frame are all installed on perpendicular mounting bracket vertical surface, and the both ends of test piece anchor clamps are placed at left frock frame and right frock frame upper end respectively the level.
4. A stress loading device for bending beam stress corrosion testing according to claim 3, wherein: the fixture tool frame is connected with the vertical mounting frame through a long round hole in a bolt mode.
5. The stress loading device for bending beam stress corrosion testing according to claim 1, wherein: the upper mounting plate further comprises a loading bolt, the loading bolt is vertically inserted into the upper mounting plate, a loading pressing block is arranged at the lower end of the loading bolt, and the loading pressing block is used for transmitting stress applied to the upper surface of the test piece clamp by the loading bolt.
6. The stress loading device for bending beam stress corrosion testing according to claim 1, wherein: the central push rod moving groove is parallel to the short side of the upper mounting plate, and the two fastening bolt moving grooves are positioned on the same straight line and are parallel to the long side of the upper mounting plate;
the two fastening bolt moving grooves are respectively arranged above the left tool frame and the right tool frame.
7. The stress loading device for bending beam stress corrosion testing according to claim 1, wherein: the clamping device comprises a vertical mounting rack, a clamping rack and a clamping fixture, wherein the clamping rack is arranged on the vertical surface of the vertical mounting rack;
the digital display dial indicator is arranged in the dial indicator clamping frame, and a lifting measuring rod is arranged at the upper end of the digital display dial indicator in a sliding manner;
round holes are vertically formed in the lower ends of the test piece clamps, the test piece is arranged at the center position inside the test piece clamps, and the tops of the lifting measuring rods penetrate through the round holes to be in contact with the lower surface of the test piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320687700.7U CN219957146U (en) | 2023-03-31 | 2023-03-31 | Stress loading device for stress corrosion test of bending beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320687700.7U CN219957146U (en) | 2023-03-31 | 2023-03-31 | Stress loading device for stress corrosion test of bending beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219957146U true CN219957146U (en) | 2023-11-03 |
Family
ID=88538462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320687700.7U Active CN219957146U (en) | 2023-03-31 | 2023-03-31 | Stress loading device for stress corrosion test of bending beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219957146U (en) |
-
2023
- 2023-03-31 CN CN202320687700.7U patent/CN219957146U/en active Active
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