CN105527161A - Strength test fixture applicable to studs - Google Patents
Strength test fixture applicable to studs Download PDFInfo
- Publication number
- CN105527161A CN105527161A CN201610114103.XA CN201610114103A CN105527161A CN 105527161 A CN105527161 A CN 105527161A CN 201610114103 A CN201610114103 A CN 201610114103A CN 105527161 A CN105527161 A CN 105527161A
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- China
- Prior art keywords
- fixture block
- slot
- clamping block
- pull bar
- studs
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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
- G01N3/02—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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- 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 strength test fixture applicable to studs. The strength test fixture comprises a first clamping block and a second clamping block. A first pulling rod and a second pulling rod are connected to the first clamping block and the second clamping block respectively. A T-shaped groove is formed in each of the first clamping block and the second clamping block. An inner threaded hole is formed in each of the first clamping block and the second clamping block. The axis of the inner threaded hole in the first clamping block is parallel to the depth direction of the T-shaped groove in the first clamping block. The axis of the inner threaded hole in the second clamping block is parallel to the depth direction of the T-shaped groove in the second clamping block. The inner threaded holes intersect with the bottoms of the corresponding T-shaped grooves. The efficiency of picking and putting bolts on a hydraulic tester is improved by ten times when connecting the bolts to the hydraulic tester directly in the prior art is replaced by utilizing the strength test fixture. The fixture can be applied to stud strength tests conveniently.
Description
Technical field
The present invention relates to mechanical fastener Experiment platform technology field, particularly relate to a kind of strength test fixture being applicable to studs.
Background technology
Bolt is a kind of mechanical component, is generally the cylindrical threaded securing member of adapted nut.Bolt is made up of head and screw rod (with externally threaded right cylinder) two parts, and need and nut screw connection during use, for being fastenedly connected two parts with through hole, this type of attachment claims bolt to connect.As nut is screwed off from bolt, can make again these two parts separately, therefore bolt connection belongs to removably connect.Divide by the force way connected: point common and have articulation hole.Divide by nose shape: have hexagon head, round end, square spigot, countersunk head etc.Wherein hexagon head is the most frequently used.At present, the bolt applying to different field or purposes emerges in an endless stream, and such as requires skin hardness high and heart portion has flexible self-tapping screw, for preventing the anticorrosive bolt, high temperature bolt etc. of flow-induced corrosion.But the basic purposes of bolt is the fastening needs being required to meet web member, therefore bolt has, and to meet the tensile strength used be basic demand to bolt.
In prior art in the process of bolt, need to carry out multi-step process, these manufacturing procedures generally comprise the treatment process for improving bolt mechanical property such as thermal treatment, surface carburization process.For the tensile mechanical Performance Detection of finished product bolt, in prior art, the general hydraulic dynamometer that adopts measures, but in prior art, the joint efficiency of bolt and hydraulic dynamometer is not high, affects the efficiency of bolt tension force test.
Summary of the invention
For the tensile mechanical Performance Detection for finished product bolt in above-mentioned prior art, in prior art, the general hydraulic dynamometer that adopts measures, but, in prior art, the joint efficiency of bolt and hydraulic dynamometer is not high, affect the problem of the efficiency of bolt tension force test, the invention provides a kind of strength test fixture being applicable to studs.
A kind of strength test fixture being applicable to studs provided by the invention solves problem by following technical essential: a kind of strength test fixture being applicable to studs, comprise the first fixture block and the second fixture block, described first fixture block and the second fixture block are connected to the first pull bar and the second pull bar, described first pull bar is used for being fixedly connected with of the first fixture block and hydraulic dynamometer, and described second pull bar is fixedly connected with for the second fixture block and hydraulic dynamometer;
Described first fixture block and the second fixture block are provided with a T-slot, the bottom width of described T-slot is greater than open end width, on first fixture block, the depth direction of T-slot is parallel with the axis direction of the first pull bar, and on the second fixture block, the depth direction of T-slot is parallel with the axis direction of the second pull bar; Described first fixture block and the second fixture block are provided with internal thread hole, and the axis of the internal thread hole on described first fixture block is parallel with the depth direction of T-slot on the first fixture block; The axis of the internal thread hole on the second fixture block is parallel with the groove depth direction of T-slot on the second fixture block, and internal thread hole is crossing with the bottom land of corresponding T-slot.
Concrete, when using, on first fixture block and the second fixture block, the open end opposite of T-slot is arranged, like this, at screw rod to be tested or nut, be threaded after upper each self-corresponding nut and screw rod, can form an I-shape construction, the wider part in these I-shape construction two ends is arranged on the bottom of two T-slots, respectively in the process that the first fixture block and/or the second fixture block move with hydraulic dynamometer, tension can be applied on I-shape construction, reach the object of bolt rubbish experiment.Adopt this structure, be connected to hydraulic dynamometer compared to direct coupling bolt, have and pick and place the efficiency of bolt faster than traditional scheme ten times on hydraulic dynamometer;
Simultaneously, by arranging internal thread hole on the first fixture block and the second fixture block, when relaxing hydraulic dynamometer and can rotating relative to the second pull bar relative to the first pull bar rotation, the second fixture block the first pull bar, the second pull bar or the first fixture block, for studs, after the difference end of studs is threaded with the first fixture block and the second fixture block respectively, the stress loading to studs can be realized easily, complete the strength test to studs.
Further technical scheme is:
The homogeneity that for the benefit of on the first pull bar, the first fixture block, screw rod or nut cross section, each point is stressed, the centerline collineation of T-slot on the axis of described first pull bar and the first fixture block.
The homogeneity that for the benefit of on the second pull bar, the second fixture block, screw rod or nut cross section, each point is stressed, the centerline collineation of T-slot on the axis of described second pull bar and the second fixture block.
When there is no auxiliary threaded rod or nut, the tensile test that two ends are not all provided with the threaded rod of screw cap end, one end is provided with the screw rod of screw cap end at least can be can be used for for making this fixture, be provided with nut in T-slot on T-slot on first fixture block and/or the second fixture block, described nut is positioned at the bottom of corresponding T-slot.
The present invention has following beneficial effect:
In this structure, on first fixture block and the second fixture block, the open end opposite of T-slot is arranged, like this, at screw rod to be tested or nut, be threaded after upper each self-corresponding nut and screw rod, an I-shape construction can be formed, the wider part in these I-shape construction two ends is arranged on the bottom of two T-slots respectively, in the process that the first fixture block and/or the second fixture block move with hydraulic dynamometer, tension can be applied on I-shape construction, reach the object of bolt rubbish experiment.Adopt this structure, be connected to hydraulic dynamometer compared to direct coupling bolt, have and pick and place the efficiency of bolt faster than traditional scheme ten times on hydraulic dynamometer.
By arranging internal thread hole on the first fixture block and the second fixture block, when relaxing hydraulic dynamometer and can rotating relative to the second pull bar relative to the first pull bar rotation, the second fixture block the first pull bar, the second pull bar or the first fixture block, for studs, after the difference end of studs is threaded with the first fixture block and the second fixture block respectively, the stress loading to studs can be realized easily, complete the strength test to studs.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation being applicable to a strength test fixture specific embodiment of studs of the present invention.
Numbering in figure is followed successively by: 1, the first pull bar, the 2, first fixture block, and 3, experiment screw, the 4, second fixture block, 5, internal thread hole, the 6, second pull bar.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but structure of the present invention is not limited only to following examples.
Embodiment 1:
As shown in Figure 1, a kind of strength test fixture being applicable to studs, comprise the first fixture block 2 and the second fixture block 4, described first fixture block 2 and the second fixture block 4 are connected to the first pull bar 1 and the second pull bar 6, described first pull bar 1 is fixedly connected with for the first fixture block 2 and hydraulic dynamometer, and described second pull bar 6 is fixedly connected with for the second fixture block 4 and hydraulic dynamometer;
Described first fixture block 2 and the second fixture block 4 are provided with a T-slot, the bottom width of described T-slot is greater than open end width, on first fixture block 2, the depth direction of T-slot is parallel with the axis direction of the first pull bar 1, and on the second fixture block 4, the depth direction of T-slot is parallel with the axis direction of the second pull bar 6; Described first fixture block 2 and the second fixture block 4 are provided with internal thread hole 5, and the axis of the internal thread hole 5 on described first fixture block 2 is parallel with the depth direction of T-slot on the first fixture block 2; The axis of the internal thread hole 5 on the second fixture block 4 is parallel with the groove depth direction of T-slot on the second fixture block 4, and internal thread hole 5 is crossing with the bottom land of corresponding T-slot.
In the present embodiment, on first fixture block 2 and the second fixture block 4, the open end opposite of T-slot is arranged, like this, at screw rod to be tested or nut, be threaded after upper each self-corresponding nut and screw rod, an I-shape construction can be formed, the wider part in these I-shape construction two ends is arranged on the bottom of two T-slots respectively, as the experiment screw 3 that arranges in Fig. 1 for upper end is provided with the single ended bolt of screw cap end, after lower end is threaded nut, can be held between the first fixture block 2 and the second fixture block 4.In the process that the first fixture block 2 and/or the second fixture block 4 move with hydraulic dynamometer, tension can be applied on I-shape construction, reach the object of bolt rubbish experiment.Adopt this structure, be connected to hydraulic dynamometer compared to direct coupling bolt, have and pick and place the efficiency of bolt faster than traditional scheme ten times on hydraulic dynamometer.
By arranging internal thread hole 5 on the first fixture block 2 and the second fixture block 4, when relax hydraulic dynamometer can rotate relative to the first pull bar 1 the first pull bar 1, second pull bar 6 or the first fixture block 2, the second fixture block 4 can relative to second pull bar 6 rotate, for studs, after the difference end of studs is threaded with the first fixture block 2 and the second fixture block 4 respectively, the stress loading to studs can be realized easily, complete the strength test to studs.
Embodiment 2:
As shown in Figure 1, the present embodiment is further qualified on the basis of embodiment 1: the homogeneity that for the benefit of on the first pull bar 1, first fixture block 2, screw rod or nut cross section, each point is stressed, the centerline collineation of T-slot on the axis of described first pull bar 1 and the first fixture block 2.
The homogeneity that for the benefit of on the second pull bar 6, second fixture block 4, screw rod or nut cross section, each point is stressed, the centerline collineation of T-slot on the axis of described second pull bar 6 and the second fixture block 4.
When there is no auxiliary threaded rod or nut, the tensile test that two ends are not all provided with the threaded rod of screw cap end, one end is provided with the screw rod of screw cap end at least can be can be used for for making this fixture, be provided with nut in T-slot on T-slot on first fixture block 2 and/or the second fixture block 4, described nut is positioned at the bottom of corresponding T-slot.
Above content is the further description done the present invention in conjunction with concrete preferred implementation, can not assert that the specific embodiment of the present invention is confined to these explanations.For general technical staff of the technical field of the invention, not departing from other embodiments drawn under technical scheme of the present invention, all should be included in protection scope of the present invention.
Claims (4)
1. one kind is applicable to the strength test fixture of studs, it is characterized in that, comprise the first fixture block (2) and the second fixture block (4), described first fixture block (2) and the second fixture block (4) are connected to the first pull bar (1) and the second pull bar (6), described first pull bar (1) is fixedly connected with for the first fixture block (2) and hydraulic dynamometer, and described second pull bar (6) is fixedly connected with for the second fixture block (4) and hydraulic dynamometer;
Described first fixture block (2) and the second fixture block (4) are provided with a T-slot, the bottom width of described T-slot is greater than open end width, the depth direction of the upper T-slot of the first fixture block (2) is parallel with the axis direction of the first pull bar (1), and the depth direction of the upper T-slot of the second fixture block (4) is parallel with the axis direction of the second pull bar (6); Described first fixture block (2) and the second fixture block (4) are provided with internal thread hole (5), and the axis of the internal thread hole (5) on described first fixture block (2) is parallel with the depth direction of the upper T-slot of the first fixture block (2); The axis of the internal thread hole (5) on the second fixture block (4) is parallel with the groove depth direction of the upper T-slot of the second fixture block (4), and internal thread hole (5) is crossing with the bottom land of corresponding T-slot.
2. a kind of strength test fixture being applicable to studs according to claim 1, is characterized in that, the centerline collineation of the axis of described first pull bar (1) and the upper T-slot of the first fixture block (2).
3. a kind of strength test fixture being applicable to studs according to claim 1, is characterized in that, the centerline collineation of the axis of described second pull bar (6) and the upper T-slot of the second fixture block (4).
4. a kind of strength test fixture being applicable to studs according to claim 1, is characterized in that, be provided with nut in the T-slot on the T-slot on the first fixture block (2) and/or the second fixture block (4), described nut is positioned at the bottom of corresponding T-slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610114103.XA CN105527161A (en) | 2016-03-01 | 2016-03-01 | Strength test fixture applicable to studs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610114103.XA CN105527161A (en) | 2016-03-01 | 2016-03-01 | Strength test fixture applicable to studs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105527161A true CN105527161A (en) | 2016-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610114103.XA Pending CN105527161A (en) | 2016-03-01 | 2016-03-01 | Strength test fixture applicable to studs |
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| Country | Link |
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| CN (1) | CN105527161A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197968A (en) * | 2016-06-29 | 2016-12-07 | 爱佩仪中测（成都）精密仪器有限公司 | The test device of single armed three-dimensional measurement lining instrument connector bending performance |
| CN112611635A (en) * | 2020-11-09 | 2021-04-06 | 西北工业大学 | Concrete uniaxial tension test fixture and test method |
| CN112748008A (en) * | 2020-12-29 | 2021-05-04 | 中国航空工业集团公司西安飞机设计研究所 | I-beam tensile fatigue test piece and tensile fatigue test method |
| CN112925148A (en) * | 2021-02-04 | 2021-06-08 | 常州尼尔森电子有限公司 | Beautiful light lamp of shooting and light filling integration |
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| US4768895A (en) * | 1987-06-08 | 1988-09-06 | Avm, Inc. | Captive ball and socket joint |
| CN201852741U (en) * | 2010-10-29 | 2011-06-01 | 内蒙古第一机械制造（集团）有限公司 | Special fixture for bolt tension test |
| CN102507325A (en) * | 2011-11-28 | 2012-06-20 | 芜湖市中兴机械技术开发有限公司 | Thread testing process device and testing method |
| CN202735159U (en) * | 2012-06-23 | 2013-02-13 | 云南省建筑科学研究院 | Detecting clamp for high strength bolt fastener load-guarantee |
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| CN103592178A (en) * | 2012-08-14 | 2014-02-19 | 天津建筑机械厂 | M20*1.5 bolt tensile test clamping tool |
| CN203772637U (en) * | 2014-02-25 | 2014-08-13 | 深圳市特种设备安全检验研究院 | Minimum bolt tensile load test fixture |
| CN203824832U (en) * | 2014-03-12 | 2014-09-10 | 潍柴动力股份有限公司 | Bolt tensile test tool |
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2016
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4768895A (en) * | 1987-06-08 | 1988-09-06 | Avm, Inc. | Captive ball and socket joint |
| CN201852741U (en) * | 2010-10-29 | 2011-06-01 | 内蒙古第一机械制造（集团）有限公司 | Special fixture for bolt tension test |
| CN102507325A (en) * | 2011-11-28 | 2012-06-20 | 芜湖市中兴机械技术开发有限公司 | Thread testing process device and testing method |
| CN202735159U (en) * | 2012-06-23 | 2013-02-13 | 云南省建筑科学研究院 | Detecting clamp for high strength bolt fastener load-guarantee |
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| CN103592178A (en) * | 2012-08-14 | 2014-02-19 | 天津建筑机械厂 | M20*1.5 bolt tensile test clamping tool |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197968A (en) * | 2016-06-29 | 2016-12-07 | 爱佩仪中测（成都）精密仪器有限公司 | The test device of single armed three-dimensional measurement lining instrument connector bending performance |
| CN112611635A (en) * | 2020-11-09 | 2021-04-06 | 西北工业大学 | Concrete uniaxial tension test fixture and test method |
| CN112611635B (en) * | 2020-11-09 | 2022-03-11 | 西北工业大学 | Concrete uniaxial tension test fixture and test method |
| CN112748008A (en) * | 2020-12-29 | 2021-05-04 | 中国航空工业集团公司西安飞机设计研究所 | I-beam tensile fatigue test piece and tensile fatigue test method |
| CN112925148A (en) * | 2021-02-04 | 2021-06-08 | 常州尼尔森电子有限公司 | Beautiful light lamp of shooting and light filling integration |
| CN112925148B (en) * | 2021-02-04 | 2022-03-08 | 常州尼尔森电子有限公司 | Beautiful light lamp of shooting and light filling integration |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160427 |
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| RJ01 | Rejection of invention patent application after publication |