CN107664597B - Spanner-screw test clamp with head welded with spring bolt - Google Patents
Spanner-screw test clamp with head welded with spring bolt Download PDFInfo
- Publication number
- CN107664597B CN107664597B CN201710892015.7A CN201710892015A CN107664597B CN 107664597 B CN107664597 B CN 107664597B CN 201710892015 A CN201710892015 A CN 201710892015A CN 107664597 B CN107664597 B CN 107664597B
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- bolt
- end clamp
- spring piece
- hole
- clamp
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- 238000012360 testing method Methods 0.000 title claims abstract description 28
- 241001290864 Schoenoplectus Species 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 6
- 230000001788 irregular Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- 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
- G01N3/02—Details
- G01N3/04—Chucks
-
- 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
- G01N3/22—Investigating strength properties of solid materials by application of mechanical stress by applying steady torsional forces
-
- 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
- G01N2203/0021—Torsional
-
- 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a wrenching test clamp with a spring piece bolt welded on the head, which comprises a spring piece end clamp (1) and a bolt end clamp (5), and is characterized in that: the spring piece end clamp (1) is provided with a bolt end clamp (5) in a non-contact matching way, the spring piece end clamp (1) and the bolt end clamp (5) are coaxially arranged, a through hole A (2) is formed in the axial direction of the spring piece end clamp (1), a step A (3) is arranged in the axial direction of the spring piece end clamp (1), and the outer side surface of the spring piece end clamp (1) is a three-sided side surface (8); the axial of bolt end anchor clamps (5) is equipped with through-hole B (6), radially is equipped with recess (7), and step B (4) set up the axial at bolt end anchor clamps (5), and the lateral surface of bolt end anchor clamps (5) is three side (8). The invention has accurate positioning, high efficiency and stability, and is suitable for popularization and application of the wrenching test of the bolt with the head welded with the spring piece.
Description
Technical Field
The invention belongs to the technical field of clamping devices, and particularly relates to a wrenching test fixture with a spring bolt welded on the head.
Background
The aeroengine provides the engine of the required power of flight for the aircraft, and the head of some bolts of nine-stage discs and other parts of the aeroengine are welded with a spring piece (as shown in figure 8) with irregular shape, so that the connection strength between the spring piece and the bolt head is studied, and the screwing test of the spring piece and the bolt is required. In the prior art, for the bolt with the spring piece welded on the head, the thickness of the spring piece is small, the shape is irregular, and the requirement on the screwing moment is very large, so that the clamp and the spring piece are easy to misplace and slip during the screwing test, the test is failed, and the accuracy, the high efficiency, the stability and the like of the screwing test are seriously affected.
Disclosure of Invention
The invention aims to overcome the defects and provides the wrenching test fixture with the spring bolt welded at the head, which is accurate in positioning, efficient, stable, convenient to operate, simple and feasible.
The aim and the main technical problems are achieved by adopting the following technical scheme:
the invention discloses a wrenching test clamp with a spring piece bolt welded on the head, which comprises a spring piece end clamp and a bolt end clamp, wherein: the spring piece end clamp is provided with a bolt end clamp in a non-contact matching way, the spring piece end clamp and the bolt end clamp are coaxially arranged, a through hole A is formed in the axial direction of the spring piece end clamp, a step A is arranged in the axial direction of the spring piece end clamp, and the outer side face of the spring piece end clamp is a three-sided side face; the axial direction of the bolt end clamp is provided with a through hole B, the radial direction of the bolt end clamp is provided with a groove, the step B is arranged in the axial direction of the bolt end clamp, and the outer side surface of the bolt end clamp is a three-square side surface; the vertical side of step a is parallel to the vertical side of step B.
Above-mentioned head welding has spanner of spring leaf bolt to twist test fixture, wherein: the lower half section of the through hole A is round, and the upper half section is square and is connected through an arc.
Above-mentioned head welding has spanner of spring leaf bolt to twist test fixture, wherein: the two sides of the groove are vertical planes, and the side surface arrangement of the groove is vertical to the vertical side surface of the step B.
Above-mentioned head welding has spanner of spring leaf bolt to twist test fixture, wherein: the through holes B are round holes.
Above-mentioned head welding has spanner of spring leaf bolt to twist test fixture, wherein: the vertical side of the step B passes through the axis of the through hole B.
Above-mentioned head welding has spanner of spring leaf bolt to twist test fixture, wherein: the three-square side surface consists of three straight planes and three circular arc surfaces, and the straight planes and the circular arc surfaces are staggered and uniformly distributed.
Compared with the prior art, the invention has obvious advantages and beneficial effects. According to the technical scheme, in the wrench-screwing test clamp with the head welded with the spring bolt, the through hole A is formed in the axial direction of the spring bolt end clamp, the step A is arranged in the axial direction of the spring bolt end clamp, so that the spring bolt welded with the spring bolt can be clamped conveniently through the step A, and the wrench-screwing test clamp is stable and reliable; the axial direction of the bolt end clamp is provided with a through hole B, the radial direction of the bolt end clamp is provided with a groove, the step B is arranged in the axial direction of the bolt end clamp, so that a bolt rod welded with a spring piece bolt can conveniently pass through the through hole B, and then the bottom surface of the bolt head is clamped through the groove, thereby being stable and reliable; the outer side face of the spring piece end clamp is a three-square side face, the outer side face of the bolt end clamp is a three-square side face, the three-square side face is composed of three straight planes and three sections of arc surfaces, and the straight planes and the arc surfaces are staggered and uniformly distributed, so that the three-grabbing clamp is convenient to clamp. In a word, the invention has the advantages of accurate positioning, high efficiency, stability, convenient operation, simplicity and feasibility, solves the problem of dislocation slipping, and the spring piece end clamp and the bolt end clamp are coaxial and are not contacted with each other, so that the bolt screwing test of which the head is welded with the spring piece can be conveniently, rapidly and accurately carried out.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a spring plate end clamp;
FIG. 3 is a right side view of FIG. 2;
FIG. 4 is a schematic view of the structure of a bolt end clamp;
FIG. 5 is a right side view of FIG. 4;
FIG. 6 is a state diagram of the use of the present invention;
FIG. 7 is a right side view of FIG. 6;
fig. 8 is a schematic view of a structure to which a leaf bolt is welded.
The marks in the figure are as follows:
1. a spring piece end clamp; 2. a through hole A; 3. a step A; 4. a step B; 5. a bolt end clamp; 6. a through hole B; 7. a groove; 8. three-sided; 9. a spring piece bolt is welded; 10. a spring piece.
Detailed Description
The following description will be made in detail on specific embodiments, structures, features and effects of the wrench test fixture with a head welded with a spring bolt according to the present invention, with reference to the accompanying drawings and the preferred embodiments.
Referring to fig. 1 to 5, the wrench test fixture with the head welded with the spring bolt comprises a spring bolt end fixture 1 and a bolt end fixture 5, wherein: the spring piece end clamp 1 is provided with a bolt end clamp 5 in a non-contact matching way, the spring piece end clamp 1 and the bolt end clamp 5 are coaxially arranged, a through hole A2 is formed in the axial direction of the spring piece end clamp 1, a step A3 is formed in the axial direction of the spring piece end clamp 1, and the outer side surface of the spring piece end clamp 1 is a three-sided side surface 8; the axial direction of the bolt end clamp 5 is provided with a through hole B6, the radial direction is provided with a groove 7, the step B4 is arranged in the axial direction of the bolt end clamp 5, and the outer side surface of the bolt end clamp 5 is a three-square side surface 8; the vertical side of step A3 is parallel to the vertical side of step B4. The lower half section of the through hole A2 is round, the upper half section is square, and the through holes A2 are connected through circular arcs. The two sides of the groove 7 are vertical planes, and the side surface arrangement of the groove 7 is vertical to the vertical side surface of the step B4. The through hole B6 is a circular hole. The vertical side of the step B4 passes through the axis of the through hole B6. The three-square side surface 8 consists of three straight planes and three circular arc surfaces, and the straight planes and the circular arc surfaces are staggered and uniformly distributed.
When the wrench is used, referring to fig. 6 to 8, the bolt rod part welded with the spring piece bolt 9 is penetrated into the through hole B6 of the bolt end clamp 5, the bolt head is limited in the groove 7 of the bolt end clamp 5, the bottom surface of the bolt head is clung to the bottom of the groove 7, the spring piece end clamp 1 is sleeved on the spring piece 10 and clung to the top surface of the bolt head, and the spring piece end clamp 1 and the bolt end clamp 5 are respectively clamped on a torsion testing machine for wrench test. The invention has the advantages of accurate positioning, high efficiency, stability, convenient operation, simplicity and feasibility, solves the problem of dislocation slipping, and the spring piece end clamp and the bolt end clamp are coaxial and are not contacted with each other, so that the bolt screwing test of which the head is welded with the spring piece can be conveniently, quickly and accurately carried out.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the invention in any way, and any simple modification, equivalent variation and variation of the above embodiment according to the technical matter of the present invention still fall within the scope of the technical scheme of the present invention.
Claims (1)
1. The utility model provides a spanner twisting test anchor clamps of head welding with spring leaf bolt, the spring leaf is the irregular shape, spanner twisting test anchor clamps include spring leaf end anchor clamps (1), bolt end anchor clamps (5), its characterized in that: the spring piece end clamp (1) is provided with a bolt end clamp (5) in a non-contact matching way, the spring piece end clamp (1) and the bolt end clamp (5) are coaxially arranged, a through hole A (2) is formed in the axial direction of the spring piece end clamp (1), the lower half section of the through hole A (2) is circular, the upper half section is square and is connected through an arc, a step A (3) is arranged in the axial direction of the spring piece end clamp (1), the step A (3) is communicated with the upper half section of the through hole A (2), a spring piece welded with the spring piece bolt is clamped through the step A (3), and the outer side surface of the spring piece end clamp (1) is a three-square side surface (8); the axial direction of the bolt end clamp (5) is provided with a through hole B (6), the radial direction of the bolt end clamp is provided with a groove (7), the groove (7) is communicated with the through hole B (6), the step B (4) is arranged in the axial direction of the bolt end clamp (5), the two sides of the groove (7) are vertical planes, the side surface arrangement of the groove (7) is vertical to the vertical side surface of the step B (4), the through hole B (6) is a circular hole, the vertical side surface of the step B (4) passes through the axis of the through hole B (6), and the outer side surface of the bolt end clamp (5) is a three-sided side surface (8); the vertical side surface of the step A (3) is parallel to the vertical side surface of the step B (4), the three-square side surface (8) consists of three straight planes and three circular arc surfaces, and the straight planes and the circular arc surfaces are staggered and uniformly distributed, when in use, the bolt rod part welded with the spring piece bolt (9) is penetrated into the through hole B (6) of the bolt end clamp (5), the bolt head is limited in a groove (7) of the bolt end clamp (5), the bottom surface of the bolt head is tightly attached to the bottom of the groove (7), the spring piece end clamp (1) is sleeved on the spring piece (10) and tightly attached to the top surface of the bolt head, and the spring piece end clamp (1) and the bolt end clamp (5) are respectively clamped on a torsion testing machine for a wrenching test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710892015.7A CN107664597B (en) | 2017-09-27 | 2017-09-27 | Spanner-screw test clamp with head welded with spring bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710892015.7A CN107664597B (en) | 2017-09-27 | 2017-09-27 | Spanner-screw test clamp with head welded with spring bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107664597A CN107664597A (en) | 2018-02-06 |
| CN107664597B true CN107664597B (en) | 2023-12-01 |
Family
ID=61097009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710892015.7A Active CN107664597B (en) | 2017-09-27 | 2017-09-27 | Spanner-screw test clamp with head welded with spring bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107664597B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109490101B (en) * | 2018-12-20 | 2023-09-08 | 中国航空综合技术研究所 | Bolt screwing tool groove turning and screwing performance test device and test method thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000028503A (en) * | 1998-07-10 | 2000-01-28 | Sanden Corp | Spot welding strength testing tool |
| JP2007248242A (en) * | 2006-03-15 | 2007-09-27 | Mitsubishi Motors Corp | Torsion torque testing machine |
| CN101251454A (en) * | 2008-03-28 | 2008-08-27 | 西安工业大学 | Concentric retaining sleeve of torsional specimen |
| CN202710396U (en) * | 2012-06-28 | 2013-01-30 | 昆山倚天自动化有限公司 | Torsional spring force-measuring fixture |
| CN203616200U (en) * | 2013-12-17 | 2014-05-28 | 上海宝钢型钢有限公司 | Clamp for sectional material torsion test |
| CN203818021U (en) * | 2014-05-08 | 2014-09-10 | 中国第一汽车股份有限公司 | Clamp for detecting torsional strength of gears welded by electronic beams |
| CN203879903U (en) * | 2014-06-12 | 2014-10-15 | 航天精工股份有限公司 | Device used for limiting turning and screwing torque of thread ring gage |
| CN105372125A (en) * | 2015-12-23 | 2016-03-02 | 济南科汇试验设备有限公司 | Fixture tooling for torsion testing machine and using method of fixture tooling |
| CN105910898A (en) * | 2016-06-30 | 2016-08-31 | 新兴铸管股份有限公司 | Clamp used for shearing test of welding material and application method of clamp |
| CN206523384U (en) * | 2016-12-21 | 2017-09-26 | 东莞博莱德仪器设备有限公司 | A kind of glasses kinking detection means |
-
2017
- 2017-09-27 CN CN201710892015.7A patent/CN107664597B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000028503A (en) * | 1998-07-10 | 2000-01-28 | Sanden Corp | Spot welding strength testing tool |
| JP2007248242A (en) * | 2006-03-15 | 2007-09-27 | Mitsubishi Motors Corp | Torsion torque testing machine |
| CN101251454A (en) * | 2008-03-28 | 2008-08-27 | 西安工业大学 | Concentric retaining sleeve of torsional specimen |
| CN202710396U (en) * | 2012-06-28 | 2013-01-30 | 昆山倚天自动化有限公司 | Torsional spring force-measuring fixture |
| CN203616200U (en) * | 2013-12-17 | 2014-05-28 | 上海宝钢型钢有限公司 | Clamp for sectional material torsion test |
| CN203818021U (en) * | 2014-05-08 | 2014-09-10 | 中国第一汽车股份有限公司 | Clamp for detecting torsional strength of gears welded by electronic beams |
| CN203879903U (en) * | 2014-06-12 | 2014-10-15 | 航天精工股份有限公司 | Device used for limiting turning and screwing torque of thread ring gage |
| CN105372125A (en) * | 2015-12-23 | 2016-03-02 | 济南科汇试验设备有限公司 | Fixture tooling for torsion testing machine and using method of fixture tooling |
| CN105910898A (en) * | 2016-06-30 | 2016-08-31 | 新兴铸管股份有限公司 | Clamp used for shearing test of welding material and application method of clamp |
| CN206523384U (en) * | 2016-12-21 | 2017-09-26 | 东莞博莱德仪器设备有限公司 | A kind of glasses kinking detection means |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107664597A (en) | 2018-02-06 |
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