CN105527159A - Bolt strength test fixture convenient to popularize in packaged manner - Google Patents
Bolt strength test fixture convenient to popularize in packaged manner Download PDFInfo
- Publication number
- CN105527159A CN105527159A CN201610114093.XA CN201610114093A CN105527159A CN 105527159 A CN105527159 A CN 105527159A CN 201610114093 A CN201610114093 A CN 201610114093A CN 105527159 A CN105527159 A CN 105527159A
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- fixture block
- pull bar
- bolt
- strength test
- slot
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- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000007669 thermal treatment 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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
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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 bolt strength test fixture convenient to popularize in a packaged manner. The bolt strength test fixture comprises a first fixture block and a second fixture block. A first draw bar and a second draw bar are respectively fixedly connected onto the first fixture block and the second fixture block; four T-shaped grooves are respectively formed in the first fixture block and the second fixture block, the widths of the bottoms of the T-shaped grooves are larger than those of opening ends of the T-shaped grooves, openings of the two T-shaped grooves in the first fixture block face opposite directions, openings of the two T-shaped grooves in the second fixture block face opposite directions, and the depth directions of the T-shaped grooves in the first fixture block are parallel to the axial direction of the first draw bar. The bolt strength test fixture with the structure has the advantages that the efficiency is ten times the efficiency of the traditional scheme when bolts are picked and placed on a hydraulic testing machine by the aid of the bolt strength test fixture as compared with a mode for directly connecting existing bolts on an existing hydraulic testing machine; the bolt strength test fixture with the structural form is convenient to popularize in the packaged manner; the bolt strength test fixture is favorable for increasing the bolt and hydraulic testing machine connection speeds when used for the different bolts.
Description
Technical field
The present invention relates to mechanical fastener Experiment platform technology field, particularly relate to a kind of bolt strength test fixture being convenient to complete popularization.
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 bolt strength test fixture being convenient to complete popularization.
A kind of bolt strength test fixture being convenient to complete popularization provided by the invention solves problem by following technical essential: a kind of bolt strength test fixture being convenient to complete popularization, comprise the first fixture block and the second fixture block, described first fixture block and the second fixture block are fixedly connected with the first pull bar and the second pull bar respectively, 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 two T-slots, the bottom width of described T-slot is greater than open end width, two T-slot openings on first fixture block are towards the opposite, two T-slot openings on second fixture block are towards the opposite, 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; First pull bar with the second pull bar all have end for the end be connected with the first fixture block, the second fixture block respectively expand portion, the form that described first pull bar and the second pull bar do not adopt the end portion of expanding to be arranged in the bottom of corresponding T-slot with the connected mode of the first fixture block and the second fixture block realizes.
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.First pull bar and the second pull bar not with the connected mode of the first fixture block and the second fixture block, be intended to realize the first pull bar and the first fixture block in the relation of removably connecting; Second pull bar and the second fixture block are in the relation of removably connecting, like this, can make when the bolt for different model or size, by changing the first fixture block and the second fixture block that are provided with different size T-slot, complete the strength test of corresponding bolt, be namely originally provided with and be beneficial to employing same first pull bar and the second pull bar, supporting the first different fixture block and the second fixture block, just can complete the test of a series of bolt strength, be beneficial to the complete popularization of this device.First pull bar and the concrete type of attachment of the first fixture block, the second pull bar and the second fixture block, make replacing first fixture block, the second fixture block very convenient, when for different bolts, be conducive to the connection speed of elevator bolt and hydraulic dynamometer.
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.
When the bolt for different model or size, by changing the first fixture block and the second fixture block that are provided with different size T-slot, complete the strength test of corresponding bolt, namely be originally provided with to be beneficial to and adopt same first pull bar and the second pull bar, supporting the first different fixture block and the second fixture block, just can complete the test of a series of bolt strength, be beneficial to the complete popularization of this device; First pull bar and the concrete type of attachment of the first fixture block, the second pull bar and the second fixture block, make replacing first fixture block, the second fixture block very convenient, when for different bolts, be conducive to the connection speed of elevator bolt and hydraulic dynamometer.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation being convenient to a bolt strength test fixture specific embodiment of complete popularization 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, nut, 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 bolt strength test fixture being convenient to complete popularization, comprise the first fixture block 2 and the second fixture block 4, described first fixture block 2 and the second fixture block 4 are fixedly connected with the first pull bar 1 and the second pull bar 6 respectively, 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 two T-slots, the bottom width of described T-slot is greater than open end width, two T-slot openings on first fixture block 2 are towards the opposite, two T-slot openings on second fixture block 4 are towards the opposite, 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; First pull bar 1 with the second pull bar 6 all have end for the end be connected with the first fixture block 2, second fixture block 4 respectively expand portion, the form that described first pull bar 1 and the second pull bar 6 adopt the end portion of expanding to be arranged in the bottom of corresponding T-slot with the connected mode of the first fixture block 2 and the second fixture block 4 respectively realizes.
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 5, be threaded after upper each self-corresponding nut 5 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 nut 5 end, after lower end is threaded nut 5, 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.
In the present embodiment, when the bolt for different model or size, by changing the first fixture block 2 and the second fixture block 4 being provided with different size T-slot, complete the strength test of corresponding bolt, namely be originally provided with to be beneficial to and adopt same first pull bar 1 and the second pull bar 6, supporting the first different fixture block 2 and the second fixture blocks 4, just can complete the test of a series of bolt strength, be beneficial to the complete popularization of this device.
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 5 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 5 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 5, the tensile test that two ends are not all provided with the threaded rod of nut 5 end, one end is provided with the screw rod of nut 5 end at least can be can be used for for making this fixture, be provided with nut 5 in T-slot on T-slot on first fixture block 2 and/or the second fixture block 4, described nut 5 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. be convenient to the bolt strength test fixture of complete popularization for one kind, 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 fixedly connected with the first pull bar (1) and the second pull bar (6) respectively, 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 two T-slots, the bottom width of described T-slot is greater than open end width, two T-slot openings on first fixture block (2) are towards the opposite, two T-slot openings on second fixture block (4) are towards the opposite, 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); First pull bar (1) with the second pull bar (6) all have end for the end be connected with the first fixture block (2), the second fixture block (4) respectively expand portion, the form that described first pull bar (1) and the second pull bar (6) adopt the end portion of expanding to be arranged in the bottom of corresponding T-slot with the connected mode of the first fixture block (2) and the second fixture block (4) respectively realizes.
2. a kind of bolt strength test fixture being convenient to complete popularization 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 bolt strength test fixture being convenient to complete popularization 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 bolt strength test fixture being convenient to complete popularization according to claim 1, it is characterized in that, be provided with nut (5) in T-slot on T-slot on first fixture block (2) and/or the second fixture block (4), described nut (5) is positioned at the bottom of corresponding T-slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610114093.XA CN105527159A (en) | 2016-03-01 | 2016-03-01 | Bolt strength test fixture convenient to popularize in packaged manner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610114093.XA CN105527159A (en) | 2016-03-01 | 2016-03-01 | Bolt strength test fixture convenient to popularize in packaged manner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105527159A true CN105527159A (en) | 2016-04-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610114093.XA Pending CN105527159A (en) | 2016-03-01 | 2016-03-01 | Bolt strength test fixture convenient to popularize in packaged manner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105527159A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890983A (en) * | 2016-06-29 | 2016-08-24 | 爱佩仪中测（成都）精密仪器有限公司 | Strength test device for hinge bolt of one-arm three-dimensional measurement scriber |
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 |
| 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 |
| 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 |
| 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 CN201610114093.XA patent/CN105527159A/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 |
| 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 |
| 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 |
| 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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890983A (en) * | 2016-06-29 | 2016-08-24 | 爱佩仪中测（成都）精密仪器有限公司 | Strength test device for hinge bolt of one-arm three-dimensional measurement scriber |
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| PB01 | Publication | ||
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Application publication date: 20160427 |