CN105527160A - Strength experiment clamp with double-head stud convenient to replace - Google Patents
Strength experiment clamp with double-head stud convenient to replace Download PDFInfo
- Publication number
- CN105527160A CN105527160A CN201610114100.6A CN201610114100A CN105527160A CN 105527160 A CN105527160 A CN 105527160A CN 201610114100 A CN201610114100 A CN 201610114100A CN 105527160 A CN105527160 A CN 105527160A
- Authority
- CN
- China
- Prior art keywords
- fixture block
- pull bar
- slot
- clamping block
- axis
- 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.)
- Pending
Links
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
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 strength experiment clamp with a double-head stud convenient to replace. The strength experiment clamp comprises a first clamping block and a second clamping block, a first pull rod and a second pull rod are connected on 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 internal threaded hole is formed in each of the first clamping block and the second clamping block, axis of the internal threaded hole in the first clamping block is parallel to the depth direction of the T-shaped groove in the first clamping block, axis of the internal threaded hole in the second clamping block is parallel to the depth direction of the T-shaped groove in the second clamping block, and each internal threaded hole is intersected with the bottom of the corresponding T-shaped groove. By adopting the structure, compared with directly connecting a bolt to a hydraulic experiment machine, efficiency in fetching and placing the bolt on the hydraulic experiment machine is ten times higher than that of conventional schemes; the strength experiment clamp can be conveniently applied to strength experiments of the double-head stud.
Description
Technical field
The present invention relates to mechanical fastener Experiment platform technology field, particularly relate to a kind of strength test fixture of conveniently replaced 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 of conveniently replaced studs.
The strength test fixture of a kind of conveniently replaced studs provided by the invention solves problem by following technical essential: a kind of strength test fixture of conveniently replaced 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; First pull bar is used for the Stress transmit between hydraulic dynamometer and the first fixture block, and the second pull bar is used for the Stress transmit between hydraulic dynamometer and the second fixture block; First fixture block can rotate relative to the axis of the first pull bar, and the second fixture block can rotate relative to the axis of the second pull bar;
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.
Simultaneously, adopt the form that the first fixture block can rotate relative to the first pull bar axis, the second fixture block can rotate relative to the second pull bar axis, can be connected with the first pull rod screw respectively by the first fixture block, form that the second fixture block is connected with the second pull rod screw, or limiting section is set on the first pull bar and the second pull bar, is realized for the form limiting position respectively on the first pull bar and the second pull bar of the first fixture block and the second fixture block or dead-centre position.Adopt the technical program, when hydraulic dynamometer is fixedly connected with the second pull bar with the first pull bar, the connection of studs and this fixture can be completed fast.
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.
Adopt the technical program, when hydraulic dynamometer is fixedly connected with the second pull bar with the first pull bar, the connection of studs and this fixture can be completed fast.
Accompanying drawing explanation
Fig. 1 is the structural representation of a strength test fixture specific embodiment of a kind of conveniently replaced 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 of conveniently replaced 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; First pull bar 1 is for the Stress transmit between hydraulic dynamometer and the first fixture block 2, and the second pull bar 6 is for the Stress transmit between hydraulic dynamometer and the second fixture block 4; First fixture block 2 can rotate relative to the axis of the first pull bar 1, and the second fixture block 4 can rotate relative to the axis of the second pull bar 6;
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.
In the present embodiment, adopt the form that the first fixture block 2 can rotate relative to the first pull bar 1 axis, the second fixture block 4 can rotate relative to the second pull bar 6 axis, can be threaded with the first pull bar 1 respectively by the first fixture block 2, form that the second fixture block 4 is threaded with the second pull bar 6, or limiting section is set on the first pull bar 1 and the second pull bar 6, is realized for the form limiting position respectively on the first pull bar 1 and the second pull bar 6 of the first fixture block 2 and the second fixture block 4 or dead-centre position.Adopt the technical program, when hydraulic dynamometer is fixedly connected with the second pull bar 6 with the first pull bar 1, the connection of studs and this fixture can be completed fast.
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. the strength test fixture of a conveniently replaced 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; First pull bar (1) is for the Stress transmit between hydraulic dynamometer and the first fixture block (2), and the second pull bar (6) is for the Stress transmit between hydraulic dynamometer and the second fixture block (4); First fixture block (2) can rotate relative to the axis of the first pull bar (1), and the second fixture block (4) can rotate relative to the axis of the second pull bar (6);
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. the strength test fixture of a kind of conveniently replaced 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. the strength test fixture of a kind of conveniently replaced 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. the strength test fixture of a kind of conveniently replaced studs according to claim 1, it is characterized in that, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610114100.6A CN105527160A (en) | 2016-03-01 | 2016-03-01 | Strength experiment clamp with double-head stud convenient to replace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610114100.6A CN105527160A (en) | 2016-03-01 | 2016-03-01 | Strength experiment clamp with double-head stud convenient to replace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105527160A true CN105527160A (en) | 2016-04-27 |
Family
ID=55769523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610114100.6A Pending CN105527160A (en) | 2016-03-01 | 2016-03-01 | Strength experiment clamp with double-head stud convenient to replace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105527160A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092752A (en) * | 2016-06-29 | 2016-11-09 | 爱佩仪中测（成都）精密仪器有限公司 | A kind of device for single armed three-dimensional measurement lining instrument exhibition arm ionization meter |
| CN110441127A (en) * | 2019-07-31 | 2019-11-12 | 共享装备股份有限公司 | A kind of casting sand tester tension crossover sub |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN202735158U (en) * | 2012-06-23 | 2013-02-13 | 云南省建筑科学研究院 | Tensile strength detecting clamp of double thread screw |
| 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 |
-
2016
- 2016-03-01 CN CN201610114100.6A patent/CN105527160A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN202735158U (en) * | 2012-06-23 | 2013-02-13 | 云南省建筑科学研究院 | Tensile strength detecting clamp of double thread screw |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092752A (en) * | 2016-06-29 | 2016-11-09 | 爱佩仪中测（成都）精密仪器有限公司 | A kind of device for single armed three-dimensional measurement lining instrument exhibition arm ionization meter |
| CN110441127A (en) * | 2019-07-31 | 2019-11-12 | 共享装备股份有限公司 | A kind of casting sand tester tension crossover sub |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105527158A (en) | Bolt tension test fixture | |
| CN203772637U (en) | Minimum bolt tensile load test fixture | |
| CN105527161A (en) | Strength test fixture applicable to studs | |
| CN106885729B (en) | The high temperature push-pull fatigue test cramp and method of a kind of flat test piece | |
| CN203824836U (en) | Fixture for performing stretching and load ensuring tests on ultrashort bolts for bridges | |
| CN204165843U (en) | The charger of the fastening analytic system of Multifunctional bolt | |
| CN103344494A (en) | Straw stretching property test device | |
| CN203383401U (en) | Clamping anchor for carbon-fiber composite material bar | |
| CN105527160A (en) | Strength experiment clamp with double-head stud convenient to replace | |
| CN104142203B (en) | Tight locking nut loose moment testing method and this test frock of unloading axial force | |
| CN102852284A (en) | Taper-sleeve locking-type steel bar connection joint | |
| CN205280475U (en) | Bolt tensile test fixes frock | |
| CN106092752A (en) | A kind of device for single armed three-dimensional measurement lining instrument exhibition arm ionization meter | |
| CN204357005U (en) | Pre-stress FRP bar stretching and anchoring device | |
| CN105527159A (en) | Bolt strength test fixture convenient to popularize in packaged manner | |
| CN203412883U (en) | Stainless steel stud bolt | |
| CN216041691U (en) | Ball joint high-strength bolt for steel structure net rack | |
| CN105628495A (en) | Auxiliary device used for bolt strength test | |
| CN105890983A (en) | Strength test device for hinge bolt of one-arm three-dimensional measurement scriber | |
| CN106197968A (en) | The test device of single armed three-dimensional measurement lining instrument connector bending performance | |
| CN211102483U (en) | Device for generating residual compressive stress of tubular welded joint | |
| CN207212900U (en) | A kind of studs | |
| CN106153464A (en) | A kind of device measured for single armed three-dimensional measurement lining instrument exhibition arm pliability | |
| CN208442141U (en) | A kind of high-strength bolt easy to use | |
| CN202809993U (en) | Taper sleeve locking type steel bar connecting joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160427 |
|
| RJ01 | Rejection of invention patent application after publication |