CN105890983A - Strength test device for hinge bolt of one-arm three-dimensional measurement scriber - Google Patents
Strength test device for hinge bolt of one-arm three-dimensional measurement scriber Download PDFInfo
- Publication number
- CN105890983A CN105890983A CN201610488373.7A CN201610488373A CN105890983A CN 105890983 A CN105890983 A CN 105890983A CN 201610488373 A CN201610488373 A CN 201610488373A CN 105890983 A CN105890983 A CN 105890983A
- Authority
- CN
- China
- Prior art keywords
- fixture block
- pull bar
- slot
- bolt
- clamp block
- 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
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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
-
- 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
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
-
- 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
Abstract
The invention discloses a strength test device for a hinge bolt of a one-arm three-dimensional measurement scriber. The strength test device comprises a first clamp block and a second clamp block, wherein the first clamp block and the second clamp block are fixedly connected with a first pull rod and a second pull rod respectively; two T-shaped slots are formed in the first clamp block and the second clamp block respectively; the bottom-end width of the T-shaped slot is greater than the open-end width; the two T-shaped slots in the first clamp block are open oppositely; the two T-shaped slots in the second clamp block are open oppositely; and the depth direction of the T-shaped slots in the first clamp block is parallel to the axis direction of the first pull rod. By adopting the structure, in comparison with the way of directly connecting to a hydraulic tester through a connection bolt, the bolt fetching/placing efficiency on the hydraulic tester is ten times that of traditional scheme; the structural form of the device is convenient for promotion as a whole set; and for different bolts, the fixture helps increasing the speed of connecting the bolt with the hydraulic tester.
Description
Technical field
The present invention relates to mechanical fastener Experiment platform technology field, particularly relate to a kind of strength testing device for single armed three-dimensional measurement lining instrument link bolt.
Background technology
Bolt is a kind of machine components, the usually threaded securing member of the cylinder of adapted nut.Bolt is made up of head and screw rod (with externally threaded cylinder) two parts, needs and nut screw connection during use, and for being fastenedly connected two parts with through hole, this type of attachment claims bolt to connect.As nut is screwed off from bolt, the two part can be made again separately, therefore bolt connection is belonging to removably connect.Divide by the force way connected: point common and have articulation hole.Divide by nose shape: have turret head, round end, square spigot, countersunk head etc..Wherein turret 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 that case hardness is high and heart portion has flexible self-tapping screw, for preventing the anticorrosive bolt of flow-induced corrosion, high temperature bolt etc..But, the basic purposes of bolt is to be required to meet the fastening needs of connector, therefore the tensile strength that bolt has satisfied utilization is the basic demand to bolt.
In prior art in the course of processing of bolt, needing to carry out multi-step process, these manufacturing procedures generally comprise the process technique for improving bolt mechanical property such as heat treatment, case-carbonizing process.Tensile mechanical performance for finished product bolt detects, and in prior art, general employing hydraulic dynamometer is measured, but, in prior art, bolt is the highest with the joint efficiency of hydraulic dynamometer, affects the efficiency of bolt tension force test.
Summary of the invention
For in above-mentioned prior art for finished product bolt tensile mechanical performance detect, in prior art, general employing hydraulic dynamometer is measured, but, in prior art, bolt is the highest with the joint efficiency of hydraulic dynamometer, the problem affecting the efficiency of bolt tension force test, the invention provides a kind of strength testing device for single armed three-dimensional measurement lining instrument link bolt.
A kind of strength testing device for single armed three-dimensional measurement lining instrument link bolt that the present invention provides solves problem by techniques below main points: a kind of strength testing device for single armed three-dimensional measurement lining instrument link bolt, including the first fixture block and the second fixture block, the first pull bar and the second pull bar it has been respectively fixedly connected with on described first fixture block and the second fixture block, described first pull bar is connected with the fixing of hydraulic dynamometer for the first fixture block, and described second pull bar is connected with the fixing of hydraulic dynamometer for the second fixture block；
Two T-slots it are provided with on described first fixture block and the second fixture block, the bottom width of described T-slot is more than open end width, two T-slot openings on first fixture block are towards on the contrary, two T-slot openings on second fixture block are towards on the contrary, 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；On first pull bar and the second pull bar, the end for being connected with the first fixture block, the second fixture block respectively is respectively provided with the form realization that end bulb, described first pull bar and the second pull bar are not arranged in the bottom of corresponding T-slot with the connected mode of the first fixture block and the second fixture block employing end bulb.
Concrete, when using, on first fixture block and the second fixture block, the open end of T-slot is provided opposite to, so, at screw rod to be tested or nut, after threaded 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, during the first fixture block and/or the second fixture block move with hydraulic dynamometer, tension can be applied on I-shape construction, reach the purpose of bolt rubbish experiment.
Use this structure, be connected to hydraulic dynamometer compared to being directly connected to bolt, have and on hydraulic dynamometer, pick and place bolt be faster than the efficiency of traditional scheme ten times.First pull bar and the second pull bar not with the first fixture block and the connected mode of the second fixture block, it is 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, so, can make when for the bolt of different model or size, the first fixture block and second fixture block of different size T-slot it is provided with by replacing, complete the strength test of corresponding bolt, i.e. this setting facilitates views with 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 so that change the first fixture block, the second fixture block the most convenient, when for different bolt, the beneficially connection speed of elevator bolt and hydraulic dynamometer.
Further technical scheme is:
The for the benefit of uniformity of each point stress on the first pull bar, the first fixture block, screw rod or nut cross section, the centerline collineation of T-slot on the axis of described first pull bar and the first fixture block.
The for the benefit of uniformity of each point stress on the second pull bar, the second fixture block, screw rod or nut cross section, the centerline collineation of T-slot on the axis of described second pull bar and the second fixture block.
In the case of there is no auxiliary threaded rod or nut, in order to make this fixture at least can be used for, two ends are all not provided with the threaded rod of screw cap end, one end is provided with the pull test of screw rod of screw cap end, being provided with nut in T-slot on first fixture block and/or the T-slot on the second fixture block, described nut is positioned at the bottom of corresponding T-slot.
The method have the advantages that
In this structure, on first fixture block and the second fixture block, the open end of T-slot is provided opposite to, so, at screw rod to be tested or nut, after threaded 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, during the first fixture block and/or the second fixture block move with hydraulic dynamometer, tension can be applied on I-shape construction, reach the purpose of bolt rubbish experiment.Use this structure, be connected to hydraulic dynamometer compared to being directly connected to bolt, have and on hydraulic dynamometer, pick and place bolt be faster than the efficiency of traditional scheme ten times.
When for the bolt of different model or size, the first fixture block and second fixture block of different size T-slot it is provided with by replacing, complete the strength test of corresponding bolt, this setting i.e. facilitates views with 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 so that change the first fixture block, the second fixture block the most convenient, when for different bolt, the beneficially connection speed of elevator bolt and hydraulic dynamometer.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of one specific embodiment of strength testing device for single armed three-dimensional measurement lining instrument link bolt 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.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but the structure of the present invention is not limited only to following example.
Embodiment 1:
As shown in Figure 1, a kind of strength testing device for single armed three-dimensional measurement lining instrument link bolt, including the first fixture block 2 and the second fixture block 4, it has been respectively fixedly connected with the first pull bar 1 and the second pull bar 6 on described first fixture block 2 and the second fixture block 4, described first pull bar 1 is connected with the fixing of hydraulic dynamometer for the first fixture block 2, and described second pull bar 6 is connected with the fixing of hydraulic dynamometer for the second fixture block 4；
It is provided with two T-slots on described first fixture block 2 and the second fixture block 4, the bottom width of described T-slot is more than open end width, two T-slot openings on first fixture block 2 are towards on the contrary, two T-slot openings on second fixture block 4 are towards on the contrary, 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；On first pull bar 1 and the second pull bar 6, the end for being connected with first fixture block the 2, second fixture block 4 respectively is respectively provided with end bulb, and the form of the bottom that described first pull bar 1 and the second pull bar 6 are arranged in corresponding T-slot with the connected mode employing end bulb 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 of T-slot is provided opposite to, so, at screw rod to be tested or nut 5, after threaded 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, screw 3 of testing as arranged in Fig. 1 is provided with the single ended bolt of nut 5 end for upper end, after the threaded nut in lower end 5, can be held between the first fixture block 2 and the second fixture block 4.During 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 purpose of bolt rubbish experiment.Use this structure, be connected to hydraulic dynamometer compared to being directly connected to bolt, have and on hydraulic dynamometer, pick and place bolt be faster than the efficiency of traditional scheme ten times.
In the present embodiment, when for the bolt of different model or size, the first fixture block 2 and the second fixture block 4 of different size T-slot it is provided with by replacing, complete the strength test of corresponding bolt, this setting i.e. facilitates views with 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: for the benefit of uniformity of each point stress, the centerline collineation of T-slot on the axis of described first pull bar 1 and the first fixture block 2 on first pull bar the 1, first fixture block 2, screw rod or nut 5 cross section.
The for the benefit of uniformity of each point stress, the centerline collineation of T-slot on the axis of described second pull bar 6 and the second fixture block 4 on second pull bar the 6, second fixture block 4, screw rod or nut 5 cross section.
In the case of there is no auxiliary threaded rod or nut 5, in order to make this fixture at least can be used for, two ends are all not provided with the threaded rod of nut 5 end, one end is provided with the pull test of screw rod of nut 5 end, being provided with nut 5 in T-slot on first fixture block 2 and/or the T-slot on the second fixture block 4, described nut 5 is positioned at the bottom of corresponding T-slot.
Above content is to combine the further description that the present invention is made by concrete preferred implementation, it is impossible to assert that the detailed description of the invention of the present invention is confined to these explanations.For general technical staff of the technical field of the invention, other embodiments drawn under without departing from technical scheme, should be included in protection scope of the present invention.
Claims (4)
1. the strength testing device for single armed three-dimensional measurement lining instrument link bolt, it is characterized in that, including the first fixture block (2) and the second fixture block (4), the first pull bar (1) and the second pull bar (6) it has been respectively fixedly connected with on described first fixture block (2) and the second fixture block (4), described first pull bar (1) is connected with the fixing of hydraulic dynamometer for the first fixture block (2), and described second pull bar (6) is connected with the fixing of hydraulic dynamometer for the second fixture block (4)；
It is provided with two T-slots on described first fixture block (2) and the second fixture block (4), the bottom width of described T-slot is more than open end width, two T-slot openings on first fixture block (2) are towards on the contrary, two T-slot openings on second fixture block (4) are towards on the contrary, 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) and the upper end for being connected with the first fixture block (2), the second fixture block (4) respectively of the second pull bar (6) are respectively provided with end bulb, and the form of the bottom that described first pull bar (1) and the second pull bar (6) are arranged in corresponding T-slot with the connected mode employing end bulb of the first fixture block (2) and the second fixture block (4) respectively realizes.
A kind of strength testing device for single armed three-dimensional measurement lining instrument link bolt the most according to claim 1, it is characterised in that the axis of described first pull bar (1) and the centerline collineation of the upper T-slot of the first fixture block (2).
A kind of strength testing device for single armed three-dimensional measurement lining instrument link bolt the most according to claim 1, it is characterised in that the axis of described second pull bar (6) and the centerline collineation of the upper T-slot of the second fixture block (4).
A kind of strength testing device for single armed three-dimensional measurement lining instrument link bolt the most according to claim 1, it is characterized in that, being provided with nut (5) in T-slot on first fixture block (2) and/or the T-slot on 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 |
|---|---|---|---|
| CN201610488373.7A CN105890983A (en) | 2016-06-29 | 2016-06-29 | Strength test device for hinge bolt of one-arm three-dimensional measurement scriber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610488373.7A CN105890983A (en) | 2016-06-29 | 2016-06-29 | Strength test device for hinge bolt of one-arm three-dimensional measurement scriber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105890983A true CN105890983A (en) | 2016-08-24 |
Family
ID=56718373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610488373.7A Pending CN105890983A (en) | 2016-06-29 | 2016-06-29 | Strength test device for hinge bolt of one-arm three-dimensional measurement scriber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105890983A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115753356A (en) * | 2023-02-13 | 2023-03-07 | 西北工业大学 | Testing system for measuring bolt strain based on optical fiber sensor and method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100863693B1 (en) * | 2006-12-27 | 2008-10-15 | 주식회사 성우하이텍 | Elongation test jig unit for bolt |
| CN103776689A (en) * | 2012-10-24 | 2014-05-07 | 西安志越机电科技有限公司 | Tensile strength detection fixture for screw |
| CN203824836U (en) * | 2014-04-22 | 2014-09-10 | 江苏法尔胜材料分析测试有限公司 | Fixture for performing stretching and load ensuring tests on ultrashort bolts for bridges |
| CN105527159A (en) * | 2016-03-01 | 2016-04-27 | 成都亨通兆业精密机械有限公司 | Bolt strength test fixture convenient to popularize in packaged manner |
-
2016
- 2016-06-29 CN CN201610488373.7A patent/CN105890983A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100863693B1 (en) * | 2006-12-27 | 2008-10-15 | 주식회사 성우하이텍 | Elongation test jig unit for bolt |
| CN103776689A (en) * | 2012-10-24 | 2014-05-07 | 西安志越机电科技有限公司 | Tensile strength detection fixture for screw |
| CN203824836U (en) * | 2014-04-22 | 2014-09-10 | 江苏法尔胜材料分析测试有限公司 | Fixture for performing stretching and load ensuring tests on ultrashort bolts for bridges |
| CN105527159A (en) * | 2016-03-01 | 2016-04-27 | 成都亨通兆业精密机械有限公司 | Bolt strength test fixture convenient to popularize in packaged manner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115753356A (en) * | 2023-02-13 | 2023-03-07 | 西北工业大学 | Testing system for measuring bolt strain based on optical fiber sensor and method and application thereof |
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| Date | Code | Title | Description |
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| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160824 |