CN206470135U - A kind of shearing of bolt is continuously and impact fatigue testing machine - Google Patents

A kind of shearing of bolt is continuously and impact fatigue testing machine Download PDF

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Publication number
CN206470135U
CN206470135U CN201720091762.6U CN201720091762U CN206470135U CN 206470135 U CN206470135 U CN 206470135U CN 201720091762 U CN201720091762 U CN 201720091762U CN 206470135 U CN206470135 U CN 206470135U
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CN
China
Prior art keywords
plate
bolt
hole
panel
continuously
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Expired - Fee Related
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CN201720091762.6U
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Chinese (zh)
Inventor
叶向明
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叶向明
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Priority to CN201720091762.6U priority Critical patent/CN206470135U/en
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Publication of CN206470135U publication Critical patent/CN206470135U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of shearing of bolt continuously and impact fatigue testing machine, including:Testing stand, beater mechanism, clamp assembly and hydraulic press, the clamp assembly are fixed on testing stand, and clamp assembly includes:Lower plate and upper plate, the upper plate is placed on above lower plate, the upper plate includes left plate, middle plate and right panel, the left plate and right panel are separately positioned on middle plate both sides, a semicircle orifice is respectively provided with left plate and right panel, the middle plate position relative with right panel with left plate also sets the through hole on first identical semicircle orifice, upper plate along its length respectively, the position for being located at manhole in bolt, lower plate is set to be threaded through hole in through hole;The hydraulic press is arranged on the right side of clamp assembly.The utility model sets beater mechanism and hydraulic press respectively by the both sides in clamp assembly, can carry out shock loading loading and the loading of continuous load to sample respectively, practical, and utilizes improved clamp structure, solves the problem of bolt sample takes out difficult.

Description

A kind of shearing of bolt is continuously and impact fatigue testing machine
Technical field
The utility model is related to mechanical strength testing equipment, and specifically a kind of shearing of bolt is continuously and repeated impact test Machine.
Background technology
Bolt is one of the most frequently used part in engineering goods, is mainly played the role of fastening.Reality of the bolt in engineering goods In operating mode, the impact of repetition or continuous load on are often run into, the failure of bolt can be caused, making for product is influenceed With, therefore manufacturing and processing enterprise carries out shear strength test by the way of sampling observation to bolt.
Impact fatigue testing machine is mainly used in the dynamic environmental test of product, can simulate actual shock pulse and impact Energy, the repeatability impact that simulation parts may be subject in use, to determine parts to various shock environments Adaptability.Its principle is:On the fixture that test specimen is arranged on to table surface, test specimen is carried together with workbench by hoisting mechanism It is raised to after predetermined altitude, test specimen and workbench free-electron model are impacted on the waveform generator of floor installation, produces rushing for needs Shock pulse.
A kind of loading when impact fatigue is bolt strained, bolt is by continuous load in actual condition It is very common, and impact fatigue testing machine can only simulate shock loading, can not then be simulated for continuous load mode, such as application number For a kind of 201420023656.0 bolt shearing impact fatigue testing machines, the loading of shock loading can only be carried out, and after experiment, Bolt sample is cut bending, then probably occur that upper plate and lower plate can not be separated in sample holder system, bolt sample without The problem of method is taken out.
Utility model content
The purpose of this utility model is to provide a kind of bolt shearing continuously and impact fatigue testing machine, to solve the above-mentioned back of the body The problem of being proposed in scape technology.
To achieve the above object, the utility model provides following technical scheme:
A kind of shearing of bolt continuously and impact fatigue testing machine, including:Testing stand, beater mechanism, clamp assembly and hydraulic pressure Machine, the beater mechanism includes:The eccentric shaft for deviateing its center of circle, institute are set on eccentric wheel, connecting rod and stroke lever, the eccentric wheel The one end for stating connecting rod is connected on eccentric shaft, and the other end of connecting rod and the left end of stroke lever are hinged, and stroke lever is horizontally disposed with, eccentric Wheel is driven by power set;The clamp assembly is fixed on testing stand, and clamp assembly includes:Lower plate and upper plate, the upper plate It is placed on above lower plate, the upper plate includes left plate, middle plate and right panel, the left plate and right panel are separately positioned on middle plate both sides, A semicircle orifice is respectively provided with left plate and right panel, the middle plate position relative with right panel with left plate also sets first identical semicircle respectively The position for being located at manhole in bolt, lower plate is set to be threaded in through hole on hole, upper plate along its length, through hole logical Hole;The hydraulic press is arranged on the right side of clamp assembly.
It is used as further program of the utility model:The lower plate both sides set some screwed holes.
It is used as further program of the utility model:The level of setting is fixedly installed on sliding block, sliding block on the stroke lever Through hole.
It is used as further program of the utility model:Guide rod is penetrated in the through hole of the sliding block.
It is used as further program of the utility model:The power set are made up of motor and speed reducer, reductor it is defeated Enter the center of axle and output shaft respectively with motor shaft and eccentric wheel to be connected.
Compared with prior art, the beneficial effects of the utility model are:The utility model passes through in the both sides of clamp assembly Beater mechanism and hydraulic press are set respectively, shock loading loading and the loading of continuous load, practicality can be carried out to sample respectively By force, and using improved clamp structure, the problem of bolt sample takes out difficult is solved.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the overlooking the structure diagram of clamp assembly in the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.
Refer in Fig. 1~2, the utility model embodiment, a kind of shearing of bolt continuously and impact fatigue testing machine, bag Include:Testing stand 1, beater mechanism, clamp assembly and hydraulic press 9, the beater mechanism include:Eccentric wheel 2, connecting rod 3 and stroke lever 6, the eccentric shaft for deviateing its center of circle is set on the eccentric wheel 2, and one end of the connecting rod 3 is connected on eccentric shaft, connecting rod 3 it is another One end and the left end of stroke lever 6 are hinged, and stroke lever 6 is horizontally disposed with, and eccentric wheel 2 is driven by power set;The clamp assembly is consolidated It is scheduled on testing stand 1, clamp assembly includes:Lower plate 71 and upper plate 78, the upper plate 78 are placed on the top of lower plate 71, the upper plate 78 include left plate 72, middle plate 74 and right panel 76, and the left plate 72 and right panel 76 are separately positioned on the middle both sides of plate 74, left plate 72 and the right side A semicircle orifice is respectively provided with plate 76, middle plate 74 position relative with right panel 76 with left plate 72 also sets first identical semicircle respectively Hole, left plate 72 and right panel 76 are spliced with middle plate 74 respectively, then four semicircle orifices can be spliced into two manholes 73, upper plate Bolt 77 is set in the through hole on 78 along its length, through hole, left plate 72, middle plate 74 and right panel 76 can be tightened together, under Position on plate 71 positioned at manhole 73 is threaded through hole, and in installation bolt sample 8, upper plate 78 is combined, and then will Bolt sample 8 is through manhole 73 and installs in tapped through hole, and subsequent start-up power set band movable eccentric wheel 2 is rotated, and is led to Crossing connecting rod 3 drives stroke lever 6 to move left and right, and impact, the shock loading of simulation bolt sample 8 are produced to left plate 72;The liquid Press 9 is arranged on the right side of clamp assembly, and hydraulic press 9 is just to right panel 76, and hydraulic press 9 produces continuous pressure to right panel 76, with mould Intend the continuous load of bolt sample 8, so, whole device can both carry out scragging, can also carry out continuous load experiment, In addition, after off-test, because bolt sample 8 is bent, bolt 77 is now unclamped, left plate 72 and right panel 76 are pulled down, by spiral shell Bolt sample 8 is back-outed, the problem of just will not can not being taken out because being bent bolt sample 8.
The both sides of lower plate 71, which are set in some screwed holes 75, screwed hole 75, to be loaded for lower plate 71 to be fixed on into testing stand Fastening bolt on 1.
The through hole that level is set on sliding block 5, sliding block 5 is fixedly installed on the stroke lever 6.
Guide rod 4 is penetrated in the through hole of the sliding block 5, sliding block 5 is moved left and right with stroke lever 6, the limitation stroke lever 6 of guide rod 4 Skew, makes it to move in the horizontal direction.
The power set are made up of motor and speed reducer, the input shaft and output shaft of reductor respectively with motor shaft and partially The center connection of heart wheel 2.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It may be appreciated other embodiment.

Claims (5)

1. a kind of shearing of bolt is continuously and impact fatigue testing machine, including:Testing stand (1), beater mechanism, clamp assembly and hydraulic pressure Machine (9), it is characterised in that:The beater mechanism includes:Eccentric wheel (2), connecting rod (3) and stroke lever (6), the eccentric wheel (2) Upper to set the eccentric shaft for deviateing its center of circle, one end of the connecting rod (3) is connected on eccentric shaft, the other end and row of connecting rod (3) The left end of journey bar (6) is hinged, and stroke lever (6) is horizontally disposed with, and eccentric wheel (2) is driven by power set;The clamp assembly is fixed On testing stand (1), clamp assembly includes:Lower plate (71) and upper plate (78), the upper plate (78) are placed on above lower plate (71), The upper plate (78) includes left plate (72), middle plate (74) and right panel (76), and the left plate (72) and right panel (76) are separately positioned on A semicircle orifice, middle plate (74) and left plate (72) and right panel are respectively provided with middle plate (74) both sides, left plate (72) and right panel (76) (76) relative position also sets in the through hole on first identical semicircle orifice, upper plate (78) along its length, through hole and set respectively Position in bolt (77), lower plate (71) positioned at manhole (73) is threaded through hole;The hydraulic press (9) is arranged on fixture On the right side of component.
2. a kind of bolt shearing according to claim 1 is continuously and impact fatigue testing machine, it is characterised in that:The lower plate (71) both sides set some screwed holes (75).
3. a kind of bolt shearing according to claim 1 is continuously and impact fatigue testing machine, it is characterised in that:The stroke The through hole that level is set on sliding block (5), sliding block (5) is fixedly installed on bar (6).
4. a kind of bolt shearing according to claim 3 is continuously and impact fatigue testing machine, it is characterised in that:The sliding block (5) guide rod (4) is penetrated in through hole.
5. a kind of bolt shearing according to claim 1 is continuously and impact fatigue testing machine, it is characterised in that:The power Device is made up of motor and speed reducer, and the input shaft and output shaft of reductor connect with the center of motor shaft and eccentric wheel (2) respectively Connect.
CN201720091762.6U 2017-01-22 2017-01-22 A kind of shearing of bolt is continuously and impact fatigue testing machine Expired - Fee Related CN206470135U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720091762.6U CN206470135U (en) 2017-01-22 2017-01-22 A kind of shearing of bolt is continuously and impact fatigue testing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720091762.6U CN206470135U (en) 2017-01-22 2017-01-22 A kind of shearing of bolt is continuously and impact fatigue testing machine

Publications (1)

Publication Number Publication Date
CN206470135U true CN206470135U (en) 2017-09-05

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Application Number Title Priority Date Filing Date
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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112730113A (en) * 2020-12-28 2021-04-30 海宁市新兴紧固件股份有限公司 Strength detection device of high-strength bolt

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112730113A (en) * 2020-12-28 2021-04-30 海宁市新兴紧固件股份有限公司 Strength detection device of high-strength bolt
CN112730113B (en) * 2020-12-28 2021-08-17 海宁市新兴紧固件股份有限公司 Strength detection device of high-strength bolt

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GR01 Patent grant
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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170905

Termination date: 20180122

CF01 Termination of patent right due to non-payment of annual fee