CN209802839U - Clamp for detecting hydrogen brittleness of screw by torsion testing machine - Google Patents
Clamp for detecting hydrogen brittleness of screw by torsion testing machine Download PDFInfo
- Publication number
- CN209802839U CN209802839U CN201920011968.2U CN201920011968U CN209802839U CN 209802839 U CN209802839 U CN 209802839U CN 201920011968 U CN201920011968 U CN 201920011968U CN 209802839 U CN209802839 U CN 209802839U
- Authority
- CN
- China
- Prior art keywords
- screw
- plate
- upper padding
- magnet
- padding plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model discloses an anchor clamps that is used for torsion test machine to inspect screw hydrogen embrittlement, twist into board, chamfer, screw thread into hole, first upper padding plate, through-hole including screwing down, it is provided with on the board to screw down the chamfer, the material of screwing into the board down is ordinary low carbon steel, the chamfer below is provided with the hole is twisted to the screw thread, it is provided with to screw down the board top first upper padding plate, be provided with on the first upper padding plate the through-hole, first upper padding plate top is provided with and is detected the screw, first upper padding plate rear portion is provided with the second upper padding plate. Has the advantages that: the utility model discloses an independent annular gasket has avoided the assembly and has been detected the problem of interference between the screw, twists down the board size and also has modified, makes it can assemble on torsion testing machine's draw-in groove, through a lag section of thick bamboo, plays the safety protection effect, and then has improved the security of screw hydrogen embrittlement test in-process.
Description
Technical Field
The utility model relates to a screw hydrogen embrittlement detection equipment field especially relates to an anchor clamps that is used for torsion testing machine inspection screw hydrogen embrittlement.
background
Since free hydrogen is present in the steel fastener, which exhibits a brittle failure characteristic when subjected to tensile stresses of a corresponding magnitude, the screw hydrogen embrittlement has delayed fracture and low stress fracture characteristics and is highly harmful, it is very important to check the screw hydrogen embrittlement.
The current inspection screw hydrogen embrittlement clamp upper padding plate is the rectangular plate, has a plurality of screws to arrange, leads to changing the upper padding plate after experimental for assembly problem often appears between upper padding plate and the lower board of screwing in, the board size of screwing in down also is not fit for torsion testing machine to use, and does not have safety device, screw and the probably fracture spring of twisting instrument in the test, and the security is lower during the operation.
A new equipment has been designed for this reason, the utility model discloses an independent annular gasket has avoided the problem of interference between assembly and screw, screws into the board size down and has also carried out the modification, makes it can assemble on torque testing machine's draw-in groove, and in a clamping, can detect the three screw that is detected, and torsion is great in the test process, and the screw is with twist the possible fracture spring of instrument, has assembled safety device at independent annular gasket, prevents that the screw fracture back spring from hindering the people.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an anchor clamps that are used for torsion test machine to inspect screw hydrogen embrittlement just in order to solve above-mentioned problem, the utility model discloses avoided the assembly and detected the problem of interference between the screw, played the safety protection effect through a lag section of thick bamboo, and then improved the security in the screw hydrogen embrittlement test process.
the utility model discloses a following technical scheme realizes above-mentioned purpose:
A clamp for detecting hydrogen brittleness of a screw by a torque testing machine comprises a lower screwing plate, a chamfer, a thread screwing hole, a first upper padding plate and a through hole, wherein the chamfer is arranged on the lower screwing plate, the lower screwing plate is made of ordinary low-carbon steel, the arrangement is such that the economic cost is reduced and the processing is easier under the condition of meeting the equipment requirement, the thread screwing hole is arranged below the chamfer, the first upper padding plate is arranged above the lower screwing plate, the through hole is arranged on the first upper padding plate, a detected screw is arranged above the first upper padding plate, a second upper padding plate is arranged at the rear part of the first upper padding plate, a protective sleeve is arranged outside the second upper padding plate, a third upper padding plate is arranged at the rear part of the second upper padding plate, a first magnet is arranged below the protective sleeve, and a glue layer is arranged between the first magnet and the protective sleeve, one side of the second upper backing plate, which is far away from the first magnet, is provided with a second magnet, and the protecting sleeve is provided with a magnet mounting hole.
According to the configuration, the utility model discloses an independent annular gasket has avoided the assembly to reach detect the problem of interference between the screw, twist down the board size and also modified, make it can assemble on torsion testing machine's draw-in groove, pass through simultaneously a lag section of thick bamboo plays the safety protection effect, and then has improved the security among the screw hydrogen embrittlement test process.
In the structure, in the test process, the lower screwing plate is assembled on a clamping groove on a torsion testing machine, the detected screw penetrates through the through hole in the first upper base plate and is screwed into the lower screwing plate, the pre-loading of the detected screw is realized, the protecting sleeve is additionally arranged on the first upper base plate, the first magnet and the second magnet are magnetically adsorbed with the lower screwing plate, the protecting sleeve can play a safety protection role, when the detected screw is broken or a screwing tool is broken, an isolating role is played, meanwhile, the protecting sleeve is prevented from being separated, and further the safety in the screw hydrogen embrittlement test process is improved.
Further, the first magnet is connected with the protective sleeve through bonding glue, and the arrangement is such that the first magnet and the protective sleeve can be tightly fixed; the magnet installation opening is formed in the protective sleeve, and the magnet installation opening and the protective sleeve are formed in a whole through the arrangement, so that the structure is more stable, and the first magnet and the second magnet are conveniently fixed and installed.
Furthermore, the protecting sleeve and the lower screwing plate are adsorbed by the first magnet and the second magnet, and the safety of the hydrogen embrittlement experiment of the detected screw is improved; first upper padding plate is independent annular gasket form, so set up, first upper padding plate can be right it supports to be detected the screw, has avoided being detected the assembly interference problem between the screw advances.
Furthermore, the material of first upper padding plate is for adopting 50Cr steel, and the hardness is 50HRC after the heat treatment, so set up, has improved the support intensity of first upper padding plate has improved first upper padding plate life.
Further, the detected screw is connected with the lower screwing plate through threads, and the detected screw is connected with the lower screwing plate through the threads, so that the detected screw is conveniently installed and detected, and the equipment is more convenient to use.
Furthermore, the protective sleeve is in sliding connection with the second upper backing plate, so that relative movement can be generated between the protective sleeve and the second upper backing plate, and meanwhile, the position of the protective sleeve is limited through the second upper backing plate, and the protective sleeve plays a role in protection.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. The problem of interference between assembly and the detected screw is avoided by adopting an independent annular gasket;
2. the size of the lower screwing plate is also modified, so that the lower screwing plate can be assembled on a clamping groove of the torsion testing machine;
3. Through the protective sleeve, the safety protection effect is achieved, and the safety of the screw in the hydrogen embrittlement test process is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a clamp for checking hydrogen brittleness of a screw by a torsion testing machine according to the present invention;
fig. 2 is a top view of a clamp for inspecting hydrogen embrittlement of a screw by a torsion testing machine according to the present invention;
Fig. 3 is a schematic diagram of an internal structure of a clamp for checking hydrogen embrittlement of a screw by a torsion testing machine according to the present invention;
Fig. 4 is a left side view of a protection sleeve in a clamp for testing hydrogen brittleness of a screw by a torsion testing machine.
The reference numerals are explained below:
1. A third upper backing plate; 2. a second upper backing plate; 3. a protective sleeve; 4. a detected screw; 5. a through hole; 6. A first upper backing plate; 7. screwing down the plate; 8. screwing the screw thread into the hole; 9. chamfering; 10. a first magnet; 11. a second magnet; 12. a viscose glue layer; 13. and a magnet mounting hole is formed.
Detailed Description
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 the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 further explained with reference to the accompanying drawings.
the first embodiment:
As shown in fig. 1-4, a clamp for a torsion testing machine to check hydrogen embrittlement of screws comprises a lower screwing plate 7, a chamfer 9, a thread screwing hole 8, a first upper cushion plate 6 and a through hole 5, wherein the lower screwing plate 7 is provided with the chamfer 9, the chamfer 9 is used for guiding a detected screw 4, the lower screwing plate 7 is made of ordinary low-carbon steel, the arrangement can reduce economic cost and is easier to process under the condition of meeting equipment requirements, the thread screwing hole 8 is arranged below the chamfer 9, the thread screwing hole 8 is used for fixing the detected screw, the first upper cushion plate 6 is arranged above the lower screwing plate 7, the through hole 5 is arranged on the first upper cushion plate 6, the detected screw 4 passes through the through hole 5, the detected screw 4 is arranged above the first upper cushion plate 6, the second upper cushion plate 2 is arranged at the rear part of the first upper cushion plate 6, the 2 outsides of second upper padding plate are provided with protective sleeve barrel 3, protective sleeve barrel 3 is used for safety protection, 2 rear portions of second upper padding plate are provided with third upper padding plate 1, protective sleeve barrel 3 below is provided with first magnet 10, first magnet 10 is used for fixing protective sleeve barrel 3, be provided with viscose glue layer 12 between first magnet 10 and the protective sleeve barrel 3, viscose glue layer 12 is used for fixing first magnet 10 and second magnet 11, one side that first magnet 10 was kept away from to second upper padding plate 2 is provided with second magnet 11, be provided with magnet installation trompil 13 on the protective sleeve barrel 3, magnet installation trompil 13 is used for making things convenient for the installation of magnet.
Second embodiment:
The second embodiment differs from the first embodiment in that: first magnet 10 is connected through bonding glue with the protective sleeve 3, and magnet installation trompil 13 is formed at protective sleeve 3.
Specifically, the first magnet 10 and the protective sleeve 3 are connected through bonding glue, and the arrangement enables the magnet and the protective sleeve 3 to be tightly fixed; magnet installation trompil 13 shaping in protective sleeve 3, so set up, make magnet installation trompil 13 and protective sleeve 3 shaping in an organic whole, the structure is more stable, has made things convenient for the device to the fixed of first magnet 10 and second magnet 11 and has installed.
The third embodiment:
The third embodiment differs from the first embodiment in that: the protection sleeve 3 and the lower screwing-in plate 7 are adsorbed by a first magnet 10 and a second magnet 11, and the first upper cushion plate 6 is in an independent annular cushion shape.
Specifically, the protective sleeve 3 and the lower screwing plate 7 are adsorbed by the first magnet 10 and the second magnet 11, and the arrangement improves the safety of the hydrogen embrittlement experiment of the detected screw 4; first upper padding plate 6 is independent annular gasket form, so sets up, and first upper padding plate 6 can support being detected screw 4, has avoided being detected the assembly interference problem between screw 4 advances.
The working principle is as follows: in the testing process, will twist down on the draw-in groove of board 7 assembly on torsion testing machine, make it twist down and twist into in the board 7 to pass through-hole 5 on the first upper padding plate 6 by the detection screw 4, realize the preloading by the detection screw 4, install protecting sleeve 3 additional on first upper padding plate 6, through first magnet 10 and second magnet 11 with twist down between going into the board 7 through magnetic adsorption, protecting sleeve 3 can play the safety protection effect, when being detected the fracture of screw 4 or twist the instrument fracture, play the effect of an isolation, the breaking away from of protecting sleeve 3 has also been avoided simultaneously, and then the security in the screw hydrogen embrittlement test process has been improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a anchor clamps that are used for torsion testing machine to inspect screw hydrogen embrittlement which characterized in that: comprises a lower screwing-in plate (7), a chamfer (9), a thread screwing-in hole (8), a first upper padding plate (6) and a through hole (5), wherein the chamfer (9) is arranged on the lower screwing-in plate (7), the lower screwing-in plate (7) is made of ordinary low-carbon steel, the thread screwing-in hole (8) is arranged below the chamfer (9), the first upper padding plate (6) is arranged above the lower screwing-in plate (7), the through hole (5) is arranged on the first upper padding plate (6), a detected screw (4) is arranged above the first upper padding plate (6), a second upper padding plate (2) is arranged at the rear part of the first upper padding plate (6), a protective sleeve (3) is arranged on the outer side of the second upper padding plate (2), a third upper padding plate (1) is arranged at the rear part of the second upper padding plate (2), and a first magnet (10) is arranged below the protective sleeve (3), first magnet (10) with be provided with viscose glue layer (12) between protective sleeve (3), second upper padding plate (2) are kept away from one side of first magnet (10) is provided with second magnet (11), be provided with magnet installation trompil (13) on protective sleeve (3).
2. The clamp for the torsion testing machine to check the hydrogen brittleness of the screw according to the claim 1, which is characterized in that: the first magnet (10) is connected with the protective sleeve (3) through bonding glue, and the magnet mounting hole (13) is formed in the protective sleeve (3).
3. the clamp for the torsion testing machine to check the hydrogen brittleness of the screw according to the claim 1, which is characterized in that: the protective sleeve (3) and the lower screwing-in plate (7) are adsorbed by the first magnet (10) and the second magnet (11), and the first upper cushion plate (6) is in an independent annular cushion shape.
4. The clamp for the torsion testing machine to check the hydrogen brittleness of the screw according to the claim 1, which is characterized in that: the first upper backing plate (6) is made of 50Cr steel, and the hardness after heat treatment is 50 HRC.
5. The clamp for the torsion testing machine to check the hydrogen brittleness of the screw according to the claim 1, which is characterized in that: the detected screw (4) is connected with the lower screwing-in plate (7) through threads.
6. The clamp for the torsion testing machine to check the hydrogen brittleness of the screw according to the claim 1, which is characterized in that: the protective sleeve (3) is connected with the second upper backing plate (2) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920011968.2U CN209802839U (en) | 2019-01-04 | 2019-01-04 | Clamp for detecting hydrogen brittleness of screw by torsion testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920011968.2U CN209802839U (en) | 2019-01-04 | 2019-01-04 | Clamp for detecting hydrogen brittleness of screw by torsion testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209802839U true CN209802839U (en) | 2019-12-17 |
Family
ID=68820019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920011968.2U Expired - Fee Related CN209802839U (en) | 2019-01-04 | 2019-01-04 | Clamp for detecting hydrogen brittleness of screw by torsion testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209802839U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237756A (en) * | 2021-05-17 | 2021-08-10 | 王丽娜 | Hydrogen embrittlement detector for high-strength steel production |
-
2019
- 2019-01-04 CN CN201920011968.2U patent/CN209802839U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237756A (en) * | 2021-05-17 | 2021-08-10 | 王丽娜 | Hydrogen embrittlement detector for high-strength steel production |
| CN113237756B (en) * | 2021-05-17 | 2022-10-28 | 内蒙古亿利氢田时代技术有限公司 | Hydrogen embrittlement detector for high-strength steel production |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209802839U (en) | Clamp for detecting hydrogen brittleness of screw by torsion testing machine | |
| CN111618627B (en) | Punching clamp for high-temperature nozzle | |
| Gupta et al. | Effect of grain angle on shear strength of Douglas-fir wood | |
| CN210465122U (en) | Cable detection device | |
| CN105021452A (en) | Multi-axis fatigue testing clamp of high-cycle fatigue testing machine | |
| CN201615858U (en) | Novel clamp for tensile testing machine | |
| CN209803058U (en) | Eddy current thread detection device | |
| CN210513912U (en) | Fixing clamp for axial pull-out force test of polylactic acid screw | |
| CN201697836U (en) | Auxiliary fixture for standard round bar sample tensile test | |
| CN106644237A (en) | Integrated type pressing-twisting compound sensor measuring device for multifunctional bolt fastening analysis system | |
| CN203117035U (en) | Room temperature tension test clamp | |
| CN207976431U (en) | A kind of Pulsed eddy current testing coil fixing device | |
| CN109521225A (en) | A kind of three-axis acceleration sensor erection support and its application method | |
| CN202210055U (en) | Armour clamp for detecting mechanical property of bar | |
| CN203519420U (en) | Detection jig for detecting yield strength of spherical coupling | |
| CN106353189A (en) | Device for testing strength of threaded hole of door limiting device | |
| CN203464887U (en) | Fastener verticality inspection tool | |
| CN203037451U (en) | Security door service life test device | |
| CN219104264U (en) | Safety valve tightness detection tool | |
| CN104048212B (en) | Explosion-proof platform lamp | |
| CN201656006U (en) | Accessible refrigerator compressor junction box | |
| CN203518912U (en) | Detection device for detecting fit clearance between piston and connecting rod | |
| CN217255729U (en) | Screw hydrogen embrittlement test tool | |
| CN202147153U (en) | Stretching sample machining tool clamp | |
| CN211291254U (en) | Position degree detection tool for measuring balance block of compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191217 Termination date: 20210104 |