CN101393094A - Avertence tensile machine - Google Patents
Avertence tensile machine Download PDFInfo
- Publication number
- CN101393094A CN101393094A CNA2008101556353A CN200810155635A CN101393094A CN 101393094 A CN101393094 A CN 101393094A CN A2008101556353 A CNA2008101556353 A CN A2008101556353A CN 200810155635 A CN200810155635 A CN 200810155635A CN 101393094 A CN101393094 A CN 101393094A
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- China
- Prior art keywords
- seat
- backstand
- slide
- assembly
- testing table
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- 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.)
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Links
- 238000012360 testing method Methods 0.000 claims abstract description 44
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 19
- 239000010959 steel Substances 0.000 abstract description 19
- 238000010586 diagram Methods 0.000 description 11
- 238000005246 galvanizing Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 210000002435 tendon Anatomy 0.000 description 2
- 229910007570 Zn-Al Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The invention relates to a deflection pull test machine, which comprises a test bed (1), a fixed end component (2), a tension seat component (3) and a tension end component (4), wherein the fixed end component (2) is slanchways fixed on the right side of the test bed (1), the tension seat component (3) is arranged in the middle of the test bed (1) and comprises a tension seat (3.1) and a central pulley (3.3), and the tension end component (4) is slanchways fixed on the left side of the test bed (1) and comprises a jack (4.1), a jack Hough seat (4.2), a left seat (4.3), a right seat (4.9), a guide rod (4.7), a left slide seat (4.4), a right slide seat (4.6), a positioning sleeve (4.5) and a pressure sensor (4.8); and the fixed end component (2), the tension seat component (3) and the tension end component (4) are arranged into V-shaped on the test bed (1). The deflection pull test machine for devices is obtained through selecting an applicable mechanism and configuring suitable loading modes and data, thereby performing deflection pull test on steel products, in particular steel strands according to relevant product standard requirements.
Description
(1) technical field
The present invention relates to relate to a kind of specialized equipment of prestress wire Avertence tensile.The Avertence tensile that is used for prestress wire.
(2) background technology
Be used for prestress engineering the structure particularly wirerope or the steel strand wires of suspension cable and external tendon structure, because structure stress except the mechanical property of routine, has also proposed the testing requirements that deflection stretches.In French Standard NFA35-035-2001 " galvanizing or Zn-Al alloy prestress garden steel wire and 7 steel strand wires " and Chinese metallurgy industry standard YB/T152-1999 " prestress hot dip galvanizing steel strand ", the steel strand wires that are used for suspension cable and external tendon have all been stipulated the Avertence tensile requirement.Among the CNS GB/T5224-2003 " steel strand wires for prestressed concrete " corresponding regulation is arranged also, above standard only provides the principle schematic (Figure 34) of Avertence tensile, but to how to realize does not relate to.How to design and produce satisfy standard-required, the test efficient high equipment be a blank of prestress industry.
(3) summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, provide a kind of and select the mechanism that is suitable for and dispose suitable load mode and data obtain the Avertence tensile equipment of device, it can according to products standards require to steel particularly steel strand wires carry out Avertence tensile.
The object of the present invention is achieved like this: a kind of Avertence tensile machine, testing machine comprise testing table, stiff end assembly, backstand assembly and stretch-draw end assembly,
The oblique the right that is fixedly mounted on testing table of described stiff end assembly, the stiff end assembly comprises backstand, anchor cup and nut, and backstand upwards is fixedly mounted on the right of testing table, and anchor cup level is installed on the backstand, and the anchor cup outside installs nut additional,
Described backstand assembly is installed in the centre of testing table, the backstand assembly comprises backstand, central pin shaft and center pulley, and backstand is connected with testing table with central pin shaft, and respectively there is pulley hole, a center backstand rear and front end, there is bearing to link to each other between center pulley and backstand
The center pulley can freely rotate in backstand, and the center pulley can freely move with steel strand tension and rotates in the test, has only force of rolling friction between steel strand wires and the center pulley, has improved the validity of test greatly.The center pulley center radially is provided with annular groove.
The oblique testing table left side that is installed in of described stretch-draw end assembly, comprise lifting jack, lifting jack Hough seat, left side seat, right seat, guide rod, left side slide, right slide, locating sleeve and pressure transducer, described left side seat and right seat one the first from left right side are fixedly mounted on the testing table, guide rod has four, each two up and down, level is connected between left side seat and the right seat, described left slide and right slide one the first from left right side are sleeved on the guide rod, locating sleeve is embedded between described left slide and the right slide, the cylinder body of lifting jack is arranged at the left side of left side seat by lifting jack Hough seat, the piston rod of lifting jack is connected with described left slide, and pressure transducer is connected between right slide and the right seat
Described stiff end assembly, backstand assembly and stretch-draw end assembly are " V " font and arrange on testing table.
Principle of work:
The steel strand wires sample is fixed in the anchor cup of steel strand wires stiff end assembly with intermediate plate, fix with lifting jack behind right seat through passing stretch-draw end assembly after the pulley angle and curved of the center of backstand assembly and the pressure transducer, start hydraulic loaded, evenly be loaded on steel strand wires fractures, from pressure transducer read during fracture the power value be this trial value.
The present invention is by the mechanism selecting to be suitable for and dispose suitable load mode and data obtain device, it can according to products standards require to steel particularly steel strand wires carry out Avertence tensile, test efficient more than 95%.
(4) description of drawings
Fig. 1 does not load preceding Facad structure synoptic diagram for the utility model Avertence tensile machine.
Fig. 2 is the vertical view of the utility model Avertence tensile machine after loading.
Fig. 3 is a testing table Facad structure synoptic diagram of the present utility model.
Fig. 4 is the vertical view of Fig. 3.
Fig. 5 is a stiff end assembly Facad structure synoptic diagram of the present utility model.
Fig. 6 is the left side view of Fig. 5.
Fig. 7 is the backstand Facad structure synoptic diagram of the fixed end assembly of stiff end assembly.
Fig. 8 is the left side view of Fig. 7.
Fig. 9 is the anchor block set Facad structure synoptic diagram of stiff end assembly.
Figure 10 is the nut Facad structure synoptic diagram of stiff end assembly.
Figure 11 is a backstand assembly of the present utility model side structural representation.
Figure 12 is the vertical view of Figure 11.
Figure 13 is the backstand side structure synoptic diagram of backstand assembly.
Figure 14 is the vertical view of Figure 13.
Figure 15 is the central pin shaft side structure synoptic diagram of backstand assembly.
Figure 16 is the A-A cut-away view of Figure 15.
Figure 17 is the center pulley flanks structural representation of backstand assembly.
Figure 18 is a stretch-draw end assembly Facad structure synoptic diagram of the present utility model.
Figure 19 is the vertical view of Figure 18.
Figure 20 is the lifting jack Hough seat side structure synoptic diagram of stretch-draw end assembly.
Figure 21 is the left side view of Figure 20.
Figure 22 is the left side seat Facad structure synoptic diagram of stretch-draw end assembly.
Figure 23 is the left side view of Figure 22.
Figure 24 is the left slide vertical view of stretch-draw end assembly.
Figure 25 is the left side view of Figure 24.
Figure 26 is the copper sheathing vertical view of stretch-draw end assembly.
Figure 27 is the locating sleeve vertical view of stretch-draw end assembly.
Figure 28 is the right slide vertical view of stretch-draw end assembly.
Figure 29 is the left side view of Figure 28.
Figure 30 is the guide rod vertical view of stretch-draw end assembly.
Figure 31 is the guide rod vertical view of stretch-draw assembly
Figure 32 is the left side view of Figure 31.
Figure 33 is the connecting bushing vertical view of stretch-draw end assembly.
Figure 34 is the principle schematic of Avertence tensile in the past.
Among the figure: testing table 1, stiff end assembly 2, backstand assembly 3, stretch-draw end assembly 4, steel strand wires sample 5, backstand 2.1, anchor cup 2.2, nut 2.3, backstand 3.1, central pin shaft 3.2, center pulley 3.3, bearing 3.4, annular groove 3.3.1; Lifting jack 4.1, lifting jack Hough seat 4.2, left side seat 4.3, left slide 4.4, locating sleeve 4.5, right slide 4.6, guide rod 4.7, pressure transducer 4.8, right seat 4.9, copper sheathing 4.4.1.
(5) embodiment
Referring to Fig. 1～4, the Avertence tensile machine that the utility model relates to mainly is made up of testing table 1, stiff end assembly 2, backstand assembly 3 and stretch-draw end assembly 4.
Referring to Fig. 5～10, described stiff end assembly 2 is anchor grip assemblies.Stiff end assembly 2 oblique the right that are fixedly mounted on testing table 1 are made up of backstand 2.1, anchor cup 2.2 and nut 2.3.Backstand 2.1 upwards is fixedly mounted on the right of testing table 1, anchor cup 2.2 levels are installed on the backstand 2.1, and sample and intermediate plate are easy to loading and unloading, and ground tackle can be reused, anchor cup 2.2 outsides have installed nut 2.3 additional, adopt between nut 2.3 and the anchor cup 2.2 to be threaded.The effect of nut is can prevent from when whole rope fracture of wire in the test or unusual fracture of wire that intermediate plate or fracture of wire from flying out to hurt sb.'s feelings from the anchor cup.
Referring to Figure 11～17, described backstand assembly 3 is installed in the centre of testing table 1, and backstand assembly 3 is made up of backstand 3.1, central pin shaft 3.2 and center pulley 3.3.A centrepin axis hole 3.1.1 is arranged in the middle of the backstand 3.1, backstand 3.1 usefulness central pin shaft 3.2 and testing table 1 are to be threaded, respectively there is a center pulley hole 3.1.2 backstand 3.1 rear and front ends, can place the center pulley 3.3 of two kinds of different sizes simultaneously, center pulley 3.3 has bearing to link to each other with 3.1 of backstands, pulley 3.3 centers in center radially are provided with annular groove 3.3.1, and this annular groove 3.3.1 size is according to the processing of steel strand wires nominal size, regular size 15.2mm, 12.7mm.Only need take out central pin shaft when needing more switching center9's pulley size, 180 ° are rotated backstands and get final product, and other size center pulleys can be finished (the center pulley is the extraction-type installation) with switching center9's pulley more.
Referring to Figure 18～33, described stretch-draw end assembly 4 oblique testing table 1 left sides that are installed in mainly are made up of lifting jack 4.1, lifting jack Hough seat 4.2, left side seat 4.3, right seat 4.9, guide rod 4.7, left slide 4.4, right slide 4.6, locating sleeve 4.5 and pressure transducer 4.8.Described left side seat 4.3 and right seat 4.9 1 the first from left right sides are fixedly mounted on the testing table 1, guide rod 4.7 has four, each two up and down, level is connected between left side seat 4.3 and the right seat 4.9, described left slide 4.4 and right slide 4.6 1 the first from left right sides are sleeved on the guide rod 4.7, the guide rod hole of left side slide 4.4 and right slide 4.6 is embedded with copper sheathing 4.4.1, copper sheathing 4.4.1 fixes with round nut 4.4.2 the outer end, locating sleeve 4.5 is embedded between described left slide 4.4 and the right slide 4.6, the cylinder body of lifting jack 4.1 is arranged at the left side of left side seat 4.3 by lifting jack Hough seat 4.2, the piston rod of lifting jack 4.1 is connected with described left slide 4.4, and pressure transducer 4.8 is connected between right slide 4.6 and the right seat 4.9.
Described stiff end assembly 2, backstand assembly 3 and stretch-draw end assembly 4 are " V " font and arrange on testing table 1.
Have four wheels to be installed on four angles of lifting jack, lifting jack can move on testing table, makes things convenient for the installation and removal of sample, loads the hydraulic loaded mode that adopts proportional valve control, and the uniform and stable may command of loading velocity has guaranteed the validity of testing.
Claims (3)
1, a kind of Avertence tensile machine is characterized in that described testing machine comprises testing table (1), stiff end assembly (2), backstand assembly (3) and stretch-draw end assembly (4),
The oblique the right that is fixedly mounted on testing table (1) of described stiff end assembly (2), stiff end assembly (2) comprises backstand (2.1), anchor cup (2.2) and nut (2.3), backstand (2.1) upwards is fixedly mounted on the right of testing table (1), anchor cup (2.2) level is installed on the backstand (2.1), anchor cup (2.2) outside installs nut (2.3) additional
Described backstand assembly (3) is installed in the centre of testing table (1), backstand assembly (3) comprises backstand (3.1), central pin shaft (3.2) and center pulley (3.3), backstand (3.1) is connected with testing table (1) with central pin shaft (3.2), respectively there is pulley hole, a center (3.1.2) backstand (3.1) rear and front end, there is bearing to link to each other between center pulley (3.3) and backstand (3.1)
Center pulley (3.3) center radially is provided with annular groove (3.3.1),
Oblique testing table (1) left side that is installed in of described stretch-draw end assembly (4), comprise lifting jack (4.1), lifting jack Hough seat (4.2), left side seat (4.3), right seat (4.9), guide rod (4.7), left side slide (4.4), right slide (4.6), locating sleeve (4.5) and pressure transducer (4.8), described left side seat (4.3) and right seat (4.9) one the first from left right sides are fixedly mounted on the testing table (1), guide rod (4.7) has four, each two up and down, level is connected between left side seat (4.3) and the right seat (4.9), described left slide (4.4) and right slide (4.6) one the first from left right sides are sleeved on the guide rod (4.7), locating sleeve (4.5) is embedded between described left slide (4.4) and the right slide (4.6), the cylinder body of lifting jack (4.1) is arranged at the left side of left side seat (4.3) by lifting jack Hough seat (4.2), the piston rod of lifting jack (4.1) is connected with described left slide (4.4), pressure transducer (4.8) is connected between right slide (4.6) and the right seat (4.9)
Described stiff end assembly (2), backstand assembly (3) and stretch-draw end assembly (4) are " V " font and arrange on testing table (1).
2, a kind of Avertence tensile machine according to claim 1 is characterized in that the guide rod hole of described left slide (4.4) and right slide (4.6) is embedded with copper sheathing (4.4.1), and copper sheathing (4.4.1) outer end is fixing with round nut (4.4.2).
3, a kind of Avertence tensile machine according to claim 1 and 2 is characterized in that adopting between described nut (2.3) and the anchor cup (2.2) being threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101556353A CN101393094B (en) | 2008-10-10 | 2008-10-10 | Avertence tensile machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101556353A CN101393094B (en) | 2008-10-10 | 2008-10-10 | Avertence tensile machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101393094A true CN101393094A (en) | 2009-03-25 |
| CN101393094B CN101393094B (en) | 2010-10-13 |
Family
ID=40493498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101556353A Expired - Fee Related CN101393094B (en) | 2008-10-10 | 2008-10-10 | Avertence tensile machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101393094B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162777A (en) * | 2011-05-31 | 2011-08-24 | 河南省煤炭科学研究院有限公司 | Mining chain pin horizontal-type radial load testing machine |
| CN102323048A (en) * | 2011-05-31 | 2012-01-18 | 河南省煤炭科学研究院有限公司 | Horizontal tensile testing machine for mining loop chain |
| CN104316407A (en) * | 2014-11-13 | 2015-01-28 | 江苏科技大学 | Fatigue test device and test method of steel stranded wire in bending state |
| CN109001060A (en) * | 2018-07-18 | 2018-12-14 | 西南交通大学 | A kind of drawing hoist cable pulling force width and the two-way index fatigue experimental device of anchored end corner and method |
-
2008
- 2008-10-10 CN CN2008101556353A patent/CN101393094B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162777A (en) * | 2011-05-31 | 2011-08-24 | 河南省煤炭科学研究院有限公司 | Mining chain pin horizontal-type radial load testing machine |
| CN102323048A (en) * | 2011-05-31 | 2012-01-18 | 河南省煤炭科学研究院有限公司 | Horizontal tensile testing machine for mining loop chain |
| CN102162777B (en) * | 2011-05-31 | 2012-11-14 | 河南省煤炭科学研究院有限公司 | Mining chain pin horizontal-type radial load testing machine |
| CN104316407A (en) * | 2014-11-13 | 2015-01-28 | 江苏科技大学 | Fatigue test device and test method of steel stranded wire in bending state |
| CN109001060A (en) * | 2018-07-18 | 2018-12-14 | 西南交通大学 | A kind of drawing hoist cable pulling force width and the two-way index fatigue experimental device of anchored end corner and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101393094B (en) | 2010-10-13 |
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Granted publication date: 20101013 Termination date: 20151010 |
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