CN203629799U - Stretching device of tensile force testing machine - Google Patents
Stretching device of tensile force testing machine Download PDFInfo
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- CN203629799U CN203629799U CN201320707714.7U CN201320707714U CN203629799U CN 203629799 U CN203629799 U CN 203629799U CN 201320707714 U CN201320707714 U CN 201320707714U CN 203629799 U CN203629799 U CN 203629799U
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- oil cylinder
- stretching device
- tension tester
- power car
- tensile force
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Abstract
The utility model relates to a stretching device of a tensile force testing machine. The stretching device comprises a machine body, an oil cylinder base, a tensile force oil cylinder, a motor vehicle, a check block fixture and a tail base, wherein the machine body comprises a rectangular pit cast by reinforced concrete, a front side surface and a back side surface of the pit in the longitudinal direction are connected to side plates respectively, the two side plates are symmetrically provided with a plurality of vertical U-shaped grooves, and two guide rails are longitudinally buried in the bottom part of the pit; the tail base is fixed in the U-shaped grooves at the left ends of the two side plates in an insertion mode; the oil cylinder base is fixed in the U-shaped grooves at the right ends of the two side plates in an insertion mode, and the tensile force oil cylinder is fixedly connected at the right side of the oil cylinder base; the motor vehicle is arranged on the guide rail at the right side of the tensile force oil cylinder, and the end of a piston rod of the tensile oil cylinder is fixedly connected to the left end face of the motor vehicle through involutory flanges; and the upper part of the tail base and the upper part of the motor vehicle are both provided with a thrust notch, and the check block fixture is installed in the notches. The stretching device uses the pit as the machine body of the tensile force testing machine, is good in rigidity, wide in stretching length range, simple in structure, economical, applicable, safe and reliable.
Description
Technical field:
The present invention relates to a kind of mechanical property test platform, relate in particular to the stretching device of a kind of large pulling force length apart from anchor chain lacerating machine, belong to horizontal tensile testing machine technical field.
Background technology:
Anchor chain typically refers to the chain for connecting anchor and hull, between joint and joint, is connected with chain link or shackle.Simultaneously, high strength and large specification marine anchor chain is also the critical facility that is related to ocean, coastal waters, inland navigation craft and offshore platform mooring anchor chain safety, because marine anchor chain and offshore platform mooring anchor chain (hereinafter to be referred as anchor chain) need to work long hours under load cycling effect, the mechanical property of anchor chain is detected and is absolutely necessary.The relevant specification of each classification society and relevant international standard, national standard all stipulate, after anchor chain thermal treatment, must carry out tensile test by the tensile load value of different size and intensity rank regulation to whole chain links, although the chain link after tensile test has produced plastic yield, but it should reach symmetrical geometry, flawless, pit, size is no more than the tolerance of regulation; At present, to the particularly detection of large ship anchor chain of ship anchor chains, conventionally use horizontal puller system, because puller system fuselage is product of steel member, take up room large, complex structure, and be subject to self rigidity effects, not only single measurement limited length, and measuring accuracy is low, thereby cause its inefficiency, cost is high, and the wasting of resources is large.
The patent No. is to mention a kind of Novel anchor chain tensile testing in 201110321609.5 patent; this machine comprises built-in fitting, portable beam, fixed beam; portable beam guide rail is installed in described built-in fitting; described portable beam can be arranged on portable beam guide rail movably along portable beam guide rail, and described fixed beam is fixed on the fixed beam base plate in built-in fitting; The outside of described portable beam and fixed beam be all provided with by anchor chain clamp jaw, described portable beam with driving its motion oil cylinder on piston be connected, described oil cylinder is fixedly mounted on fixed beam.Although this machine " be semisubmersible type, equipment 60% at below ground, by concrete steel structure, as built-in fitting, in the time bearing huge side force, rigidity also has more than needed." due between the drawing zone of this machine for portable beam is to fixed beam; and between portable beam and fixed beam, be connected respectively oil cylinder and its piston; the length of oil cylinder is subject to process technology limit; therefore, and the stretching device of this machine cannot meet anchor chain lacerating machine and carry out tensile test requirement to reaching tens of rice to boats and ships and the offshore platform mooring anchor chain of thousands of meters.
The patent No. is in 200910024646.2 patent, to mention a kind of charger of anchor chain lacerating machine, see that this patent accompanying drawing 2, this device comprise that moving beam 1, fixed cross beam 2, fixed cross beam base 3, two load cylinder 4, cable link clamp device 5, mobile device 6, track 7 and anchor chain supporting guide device 80 fixed cross beam bases 3 are embedded in concrete foundation 19, the end face of the bottom surface of fixed cross beam 2 and fixed cross beam base 3 is by bolt 201, and nut 202 is fixedly connected with.Two load cylinders 4 are symmetricly set in fixed cross beam 2 along the length direction of fixed cross beam 2, the mounting flange 41 of load cylinder 4 is fixedly connected with the front side of fixed cross beam 2 by screw 9, the piston rod head 42 of load cylinder 4 is respectively by symmetrically arranged involutory flange 10, and screw 101 is fixedly connected with the rear side of moving beam 1.Track 7 is fixed on the reference plane on level basis 19 in couples, and mobile device 6 is arranged between the end face of track 7 and the downside of moving beam 1, and track 7 supports moving beam 1 by mobile device 6.In order to meet the requirement of tensile load of great force value, the stability when work of assurance equipment, the set bolt philosophy of moving beam, fixed cross beam, fixed cross beam base and fixed cross beam and fixed cross beam base is that intensity is high, large-tonnage steel structural member and the forge piece of good rigidity, expensive, complex structure, processing difficulties, bulk is large, has caused tension tester stretching device cost very high.
Summary of the invention:
The invention provides a kind of stretching device of tension tester, its objective is that overcoming existing large-scale anchor chain lacerating machine stretching device takes up room greatly, mechanism's complexity, body poor rigidity, measuring accuracy are low, the deficiency in the technology such as single tensile elongation is short.
The present invention is achieved by the following technical programs:
A stretching device for tension tester, comprises fuselage, oil cylinder seat, pull action cylinder, power car, block fixture, tailstock; Described fuselage comprises a rectangle melt pit by steel bar concrete casting, longitudinally be fixedly connected with the side plate vertical with surface level by pre-embedded bolt respectively in two sides, front and back at melt pit, at two ends, biside plate left and right, be arranged with respectively at least one vertical U-shaped groove, be longitudinally embedded with at least one guide rail in melt pit bottom surface; Described tailstock is that slab structure plug-in mounting is in the U-shaped groove of biside plate left end; Described oil cylinder seat is that slab structure plug-in mounting is in the U-shaped groove of biside plate right-hand member; Described pull action cylinder is fixedly connected on the right of oil cylinder seat; Described power car is case structure, is placed on the guide rail on pull action cylinder the right, and the piston rod end of pull action cylinder is fixedly connected on by involutory flange on the left side of power car; Described tailstock and power car top are equipped with thrust notch, and described block fixture is arranged in notch.
Object of the present invention can also further realize by following technical measures.
Side plate described above is monoblock type or sectional type, and the termination of described pre-embedded bolt does not exceed surface of side plate.
The spacing of side plate U-shaped groove described above is 5～10 meters.
Guide rail described above is two parallel guide rails, and parallel with surface level.
Guide rail described above is level gauge.
The two sides, front and back of power car described above are equipped with at least two guide rollers, and roller wheel shaft center line is perpendicular to surface level.
Between tailstock described above and oil cylinder seat, be also provided with Support bracket.
Support bracket described above is monoblock type or assemble type.
Advantage of the present invention and beneficial effect be mainly:
The present invention is simple in structure, economic and practical, safe and reliable.The present invention makes full use of the compressive property of ground base steel reinforced concrete as puller system fuselage, has solved the stiff problem of large-scale puller system fuselage, and single tensile elongation can design as required; Adopt ground pit type fuselage simultaneously, space environment is required greatly to reduce, therefore the maximum test force of puller system and measuring distance can be as required, can facilitate economic realization; The present invention is provided with multiple tracks notch on side plate, change the slot mouth of tailstock, can change the measuring distance of puller system, improve the dirigibility that equipment uses, simultaneously by changing the block fixture in thrust groove on tailstock and power car, the capstan winch of guides, traction winch, and Support bracket, not only can detect the flexible articles such as anchor chain, wire rope, cable, also can, to the detection that stretches of partially rigid member, give full play to its measuring ability.
Advantage and disadvantage of the present invention, by for illustration and explanation the non-limitative illustration by preferred embodiment below, this embodiment, only provides as an example with reference to accompanying drawing.
Accompanying drawing explanation
Fig. 1 is vertical view of the present invention;
Fig. 2 is the A-A cut-open view of Fig. 1;
Fig. 3 is the D-D cut-open view of Fig. 2;
Fig. 4 is the C-C cut-open view of Fig. 2;
Fig. 5 is the B-B cut-open view of Fig. 2.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described:
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 5, be the stretching device of a kind of tension tester of the present invention, for sake of convenience, use anchor chain is tension test member.Stretching device of the present invention, comprises fuselage 1A, oil cylinder seat 3, pull action cylinder 4, power car 5, block fixture 65, tailstock 2 and Support bracket 63, guides 61, tractive winch 64 and protection net 62; Described fuselage 1A comprises a rectangle melt pit 1 by steel bar concrete casting, at melt pit 1, to use respectively pre-embedded bolt 19 being fixedly connected with vertical with surface level with kidney-shaped fixed orifice side plate 12 in two sides before and after longitudinally, on biside plate 12, be provided with a vertical U-shaped groove F at interval of 5 meters, be longitudinally embedded with two parallel guide rails 14 in melt pit bottom; Described tailstock 2 is that slab structure plug-in mounting is in biside plate left end U-shaped groove F; Described oil cylinder seat 3 is that slab structure plug-in mounting is in biside plate right-hand member U-shaped groove F, pull action cylinder 4 is fixed on the right side of oil cylinder seat 3, described power car 5 is case structure, be placed on the guide rail 14 of oil cylinder 4 piston rod front ends, the piston rod end of oil cylinder 4 is fixed on the left side of power car 5 by involutory flange 41; Described tailstock 2, power car 5 tops are provided with thrust notch D groove and C groove, and block fixture 65 is arranged in D groove and C groove.
In addition, longitudinal two sides of described melt pit 1, are embedded with respectively bolt 19 fixed sides 12, side plate 12 is provided with horizontal location piece 11 and perpendicular positioning piece 13; Bury guide rail horizontal location plate 16 and guide rail 14 underground in the bottom of melt pit 1, guide rail 14 is fixed on guide rail horizontal location plate 16; In addition be embedded with, the backing plate 15 of tailstock and oil cylinder seat in the bottom of melt pit 1; On described side plate 12, plane 102 is higher than plane 101 on the longitudinal both sides of melt pit 1, use " Z " font to mark time 17, upper end is fixed in the plane 102 of side plate 12, and keep " Z " font planar horizontal on 17 of marking time, " Z " font 17 lower surfaces of marking time are supported in the upper plane 101 of melt pit 1 both sides, are fixed in plane 101 by pre-embedded bolt 18; For avoiding concrete different from the thermal expansivity of steel plate; side plate 12 and " Z " font are marked time and 17 are made as waist-shaped hole with the bolt connecting hole being embedded in concrete; and in the same side of melt pit 1; side plate 12 and " Z " font are marked time and 17 are all adopted sectional type to install; and mark time 17 segment length of side plate 12 and " Z " font is identical; between section and section, leave expansion clearance 103; guarantee that fuselage side plate 12 is smooth; and on the plane of symmetry of 1 liang of side plate 12 of fuselage melt pit, be provided with pair of U-shaped groove F at interval of 5 meters, fixing for oil cylinder seat 3 and tailstock 2.
As Fig. 1, shown in 4, in fuselage side plate 12 right-hand member symmetrical channels F, insert oil cylinder seat 3, groove F distance from bottom L is more than or equal to the width of oil cylinder seat 5, groove width W1 is greater than the thickness W2 of oil cylinder seat 3, fill leads 310 at the gap location of W1-W2, leads 310 is filled in the right of oil cylinder seat 3, its objective is and reduce because of member fracture suddenly in tension test process, the reverse impact load of oil cylinder seat 3 to side plate 12: on the right side of oil cylinder seat 3, be provided with two horizontally disposed oil cylinder 4 cylinder body pilot holes 34, pilot hole 34 center is provided with the center pit 341 that runs through oil cylinder seat 3, two pilot holes 34 on oil cylinder seat 3 are each has fixed an oil cylinder 4, the center of drag line that the horizontal perpendicular bisector of the two oil cylinder 4 cylinder body pilot hole lines of centres is puller system, be that Fig. 4 crosses the line of P point perpendicular to paper, the groove B of oil cylinder seat 3 upper ends is for puller system is in the time carrying out tension test, dodges member designs, oil cylinder 4 piston rod front ends 41 are connected on the left side of power car 5.
As shown in Figure 5, it is " recessed " font body 50 that described power car 5 comprises a section, and its thrust groove C is for block fixture 65 is installed, and clamping anchor chain carries out tension test, and four rollers 52 that are merely able to walking on guide rail 14 of installing in its bottom; In body 50 two sides, front and back, two guide rollers 51 that rotation is vertical with surface level are installed respectively.
The roller 52 of described walking, comprise wheel seat 521, bearing 523 rollers 522 and roll shaft 524, wheel seat 521 is mounted in body 50 lower grooves, it is spacing that pair roller 52 carries out front and back, its effect is that front and back horizontal direction acting force on wheel seat 521 is directly delivered on body 50, reduces its set bolt acting force; Distance between left and right roller 52 between distance and fuselage bottom guide rail 14 is corresponding.
Two guide rollers 51 that described body 50 left and right sides are installed respectively, comprising a profile is dolioform roller body 518, in roller body 518 upper end die cavities, two double-row conical bearings 512 are housed, and by roller end cap 517, bearing 512 is carried out to axial location, roller end cap 517 is provided with O-ring seal 516, a thrust ball bearing 511 is housed in its lower end die cavity, pack roller body 518 into “ Xi " shape wheel seat 519, the lower plane of thrust ball bearing 511 acts directly on “ Xi " on the base plate of shape wheel seat 519, upper base plate hole by roll shaft 513 through " Xi " shape wheel seat 519, roller end cap 517 holes, two double-row conical bearings 512, isolation stepped hole between roller body bearing 512 and bearing 511, the plate hole of going to the bottom of thrust ball bearing 511 and " Xi " shape wheel seat 519, and utilize pressing plate 515 by roller bearing 513 axial restraints, in addition, be provided with lubricating cup 514 and oil guiding hole in the upper end of roll shaft 513, bearing 512 is lubricated, “ Xi " shape wheel seat is fixed on power car front and back sides by screw.
The deadweight of roller body 518 is to be delivered to wheel seat 519 by thrust ball bearing 511, thereby guarantee that roller body 518 rotates flexibly, the roller body 518 of guide roller is dolioform, contact with the side plate of fuselage as some contact, and contact point and center of drag are contour, its objective is the contact area reducing with fuselage side plate 12, thereby reduce friction, improve accuracy of detection.Power car 5 front and back sides symmetries are respectively equipped with two guide rollers 51, guarantee that power car 5 moves linearly along side plate, guide roller 51 can guarantee that power car 5 moves linearly along side plate 12, even if having pressure imbalance phenomenon in two hydraulic jacks 4, power car 5 still can be smooth and easy in the interior movement of melt pit 1 side plate 12 simultaneously.Thereby raising accuracy of detection.
As Fig. 1, Fig. 5, tailstock 2 is according to the length of stretching anchor chain, select distance on side plate 12 suitable U-lag F insert, tailstock 2 coordinates with oil cylinder 3 identical with the U-lag on side plate 12 with the U-lag on side plate 12, the left side of tailstock 2 is stayed in the thickness direction gap that tailstock 2 coordinates with groove, fills equally with leads 210, and the leads 310 that its effect is filled with oil cylinder seat 3 is identical, thrust groove D groove on tailstock 2 is for block fixture 65 is installed, and clamps anchor chain and carries out tension test.
Described guides 61 acts on: refer to that tensile member (the present embodiment is anchor chain) obtains nature and arranges after external force is hauled out through guides 61, guarantee all horizontal anchor chain maintenance levels, vertical anchor chain keeps vertical, avoid the twisted phenomena after anchor chain pull-out, thereby meet engaging of gangspiel on tractive winch 64 and anchor chain.The effect of described tractive winch 64: be exactly the propulsion system that need to pull test component for test.In the time that test component is anchor chain, on winch 64, configure gangspiel, in the time that test component is wire rope, arrangement of steel wires rope capstan winch on winch 64.
As shown in Figure 1, Figure 2, the D groove on D groove and power car 5 on tailstock 2 of the present invention is being loaded onto after block fixture 65, and its block fixture 65 Clamping Centers overlap with the determined center of drag line of oil cylinder 4 on oil cylinder seat 3.In the time that puller system is worked, first power car 5 is resetted, the tractive winch 64 of puller system stem is by block fixture 65 on the anchor chain process tailstock 2 on the guides of its afterbody 61, on Support bracket 63, oil cylinder seat 3, groove B is to the block in C notch on power car 5, anchor chain is embedded in the block fixture 65 on tailstock 2 and power car 5, carry out tension test.
In addition to the implementation, the present invention can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of requirement of the present invention.
Claims (8)
1. a stretching device for tension tester, comprises fuselage, oil cylinder seat, pull action cylinder, power car, block fixture, tailstock; It is characterized in that: described fuselage comprises a rectangle melt pit by steel bar concrete casting, longitudinally use respectively pre-embedded bolt to be fixedly connected with the side plate vertical with surface level in two sides, front and back at melt pit, at two ends, biside plate left and right, be arranged with respectively at least one vertical U-shaped groove, be longitudinally embedded with at least one guide rail in melt pit bottom surface; Described tailstock is slab structure, and plug-in mounting is in the U-shaped groove of biside plate left end; Described oil cylinder seat is slab structure, and plug-in mounting is in the U-shaped groove of biside plate right-hand member; Described pull action cylinder is fixedly connected on the right of oil cylinder seat; Described power car is case structure, is placed on the guide rail on pull action cylinder the right, and the piston rod end of pull action cylinder is fixedly connected on by involutory flange on the left side of power car; Described tailstock and power car top are equipped with thrust notch, and described block fixture is arranged in notch.
2. the stretching device of a kind of tension tester as claimed in claim 1, is characterized in that: described side plate is monoblock type or sectional type, and the termination of described pre-embedded bolt does not exceed surface of side plate.
3. the stretching device of a kind of tension tester as claimed in claim 1, is characterized in that: the spacing of the U-shaped groove that described side plate is provided with is 5～10 meters.
4. the stretching device of a kind of tension tester as claimed in claim 1, is characterized in that: described guide rail is two parallel guide rails, and parallel with surface level.
5. the stretching device of a kind of tension tester as described in claim 1 or 4, is characterized in that: described guide rail is level gauge.
6. the stretching device of a kind of tension tester as claimed in claim 1, is characterized in that: the two sides, front and back of described power car are equipped with at least two guide rollers, and roller wheel shaft center line is perpendicular to surface level.
7. the stretching device of a kind of tension tester as claimed in claim 1, is characterized in that: between described tailstock and oil cylinder seat, be also provided with Support bracket.
8. the stretching device of a kind of tension tester as claimed in claim 7, is characterized in that: described Support bracket is monoblock type or assemble type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320707714.7U CN203629799U (en) | 2013-11-08 | 2013-11-08 | Stretching device of tensile force testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320707714.7U CN203629799U (en) | 2013-11-08 | 2013-11-08 | Stretching device of tensile force testing machine |
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| Publication Number | Publication Date |
|---|---|
| CN203629799U true CN203629799U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320707714.7U Expired - Fee Related CN203629799U (en) | 2013-11-08 | 2013-11-08 | Stretching device of tensile force testing machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630344A (en) * | 2013-11-08 | 2014-03-12 | 江苏科技大学 | Stretching device of tensile tester |
| CN104359667A (en) * | 2014-11-21 | 2015-02-18 | 绵阳新天一电气科技发展有限公司 | Mechanical-electrical integration circuit static load tester |
-
2013
- 2013-11-08 CN CN201320707714.7U patent/CN203629799U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630344A (en) * | 2013-11-08 | 2014-03-12 | 江苏科技大学 | Stretching device of tensile tester |
| CN103630344B (en) * | 2013-11-08 | 2015-09-23 | 江苏科技大学 | A kind of stretching device of tension tester |
| CN104359667A (en) * | 2014-11-21 | 2015-02-18 | 绵阳新天一电气科技发展有限公司 | Mechanical-electrical integration circuit static load tester |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20161108 |