CN202188986U - Positioning and centering clamping tool - Google Patents

Positioning and centering clamping tool Download PDF

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Publication number
CN202188986U
CN202188986U CN201120332135XU CN201120332135U CN202188986U CN 202188986 U CN202188986 U CN 202188986U CN 201120332135X U CN201120332135X U CN 201120332135XU CN 201120332135 U CN201120332135 U CN 201120332135U CN 202188986 U CN202188986 U CN 202188986U
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CN
China
Prior art keywords
positive
leading screw
location
roller
rotation screw
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Expired - Fee Related
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CN201120332135XU
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Chinese (zh)
Inventor
王晓燕
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China National Petroleum Corp
CNPC Tubular Goods Research Institute
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China National Petroleum Corp
CNPC Tubular Goods Research Institute
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Priority to CN201120332135XU priority Critical patent/CN202188986U/en
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Abstract

The utility model discloses a positioning and centering clamping tool, belonging to the field of the test of mechanical properties of metal material. The positioning and centering clamping tool comprises a positive and negative rotation screw, two positioning support rollers, a positive rotation screw, a negative rotation screw and a positive and negative rotation screw support structure. The positive rotation screw is arranged on the positive rotation thread section of the positive and negative rotation screw; the negative rotation screw is arranged on the negative rotation thread section of the positive and negative rotation screw; the positive rotation screw and the negative rotation screw are symmetrical to each other relative to the geometric center of the positive and negative rotation screw; the positive rotation screw is connected with one positioning support roller; the negative rotation screw is connected with the other positioning support roller; and the positioning support rollers protrude from the positive and negative rotation screw support structure. In the utility model, a rectangular cross-section sample and a longitudinal arc-shaped sample which have different width can be clamped and positioned through arranging two positioning support rollers with adjustable relative distance, and the purpose of centering the clamped samples can be achieved through making the distance from one positioning support roller to a central line equal the distance from the other positioning support roller to the central line.

Description

A kind of location centering anchor clamps
Technical field
The utility model relates to metal material mechanics performance test field, guarantees vertically degree and to the location centering anchor clamps of neutrality of plate tensile sample in particularly a kind of stretching experiment.
Background technology
In metal material stretching test, tensile sample can be divided into plurality of classes such as sheet material (strip) sample, bar sample, tubular product sample by the metal shape of product, and the shape of sample is mainly by two kinds of circular section sample and rectangular specimens.
The vertical degree of sample holder and neutrality had considerable influence to test findings in metal tensile test.Sample holder is vertically spent and sample is in test in a kind of tension and the simultaneous complex stress environment of shearing stress when poor, is prone to make test findings to lose efficacy.The circular section sample adopts the clamping of " V " clevis mouth anchor clamps more, and these anchor clamps can guarantee the vertical degree of sample holder and preferably to neutrality; The square-section sample mainly relies on laboratory technician's experience to carry out the clamping location with vertical arc sample.
In realizing the process of the utility model, the inventor finds that there is following problem at least in prior art: square-section sample and vertical arc sample are through artificial location, and be not only not easy to operate, and be prone to vertical degree, to problems such as neutrality differences.
The utility model content
The utility model provides a kind of location centering anchor clamps in order to solve the deficiency that exists in the prior art, has realized the mechanical positioning centering of square-section sample with vertical arc sample.
The utility model solves the technical scheme that its technical matters adopted:
A kind of location centering anchor clamps; Said anchor clamps comprise positive and reverse return leading screw, two a location roller, positive spin nut, derotation nuts and support the leading screw supporting construction of said positive and reverse return leading screw; Said positive spin nut is positioned at the dextrorotation thread segment of said positive and reverse return leading screw; Said derotation nut is positioned at the derotation thread segment of said positive and reverse return leading screw, and said positive spin nut and said derotation nut be about the geometric center symmetry of said positive and reverse return leading screw, and said positive spin nut props up roller with a said location and is connected; Said derotation nut props up roller with another said location and is connected, and said location is propped up roller and leant out said leading screw supporting construction.
Particularly; Said leading screw supporting construction comprises U type front apron, backboard and two side direction baffle plates; Respectively be provided with a leading screw axis hole on two said side direction baffle plates; Two said side direction baffle plates and surround coffin with said U type front apron and said backboard between said U type front apron and said backboard, said positive and reverse return leading screw passes two said leading screw axis holes.
Further; Said backboard is provided with guide groove near the position of bottom; Going to the bottom of said guide groove is fair with the upper surface of said U type front apron horizontal sides, and said location is propped up roller one end and passed the said guide groove slip of said guide groove and edge, and the other end leans out said U type front apron.
Particularly, said location is propped up roller and is " Z " type location roller, and horizontal sides one end on a roller top, said " Z " type location is connected with the vertical edges one, and the other end passes said guide groove, and the horizontal sides of a roller bottom, said " Z " type location leans out said U type front apron.
Further, an end of said positive and reverse return leading screw is provided with knob.
Further, said leading screw supporting construction also comprises the top baffle plate, and said top baffle plate is positioned at upper shed place of said coffin.
Particularly, connect through screw between the said baffle plate.
The beneficial effect of the technical scheme that the utility model embodiment provides is: prop up roller through two adjustable location of relative distance are set; Realized clamping location to square-section sample and vertical arc sample of different in width; Through making two location rollers equal, realized making the purpose of the sample centering of its clamping to the distance of center line.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment; To do one to the accompanying drawing that uses among the embodiment below introduces simply; Obviously, below listed accompanying drawing only be some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the location centering anchor clamps front schematic view that the utility model embodiment provides;
Fig. 2 is the location centering clamp back surface synoptic diagram that the utility model embodiment provides;
Fig. 3 is the location centering anchor clamps work synoptic diagram that the utility model embodiment provides.
In the accompanying drawing, the component list of each label representative is following:
1, positive and reverse return leading screw, 2, a location roller, 3, positive spin nut, 4, the derotation nut, 5, U type front apron; 6, backboard, 7, the side direction baffle plate, 8, the leading screw axis hole, 9, guide groove, 10, knob; 11, top baffle plate, 12, screw, 13, chuck, 14, location centering anchor clamps, 15, sample.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer, will combine accompanying drawing that the utility model embodiment is done to describe in detail further below.
Referring to Fig. 1, the utility model embodiment provides a kind of location centering anchor clamps, and said anchor clamps comprise positive and reverse return leading screw 1, two a location roller 2, positive spin nut 3, derotation nut 4 and leading screw supporting constructions.Referring to Fig. 1 and Fig. 2; In the utility model embodiment, said leading screw supporting construction comprises that the center of U type front apron 5, backboard 6 and 7, two side direction baffle plates 7 of two side direction baffle plates respectively is provided with a leading screw axis hole 8; As shown in Figure 1; Two side direction baffle plates 7 surround coffin with U type front apron 5 and backboard 6 between U type front apron 5 and backboard 6, also can adopt other leading screw supporting constructions in other embodiments.Positive and reverse return leading screw 1 passes two leading screw axis holes 8; Positive spin nut 3 matees with the dextrorotation screw thread of positive and reverse return leading screw 1; Be positioned at the dextrorotation thread segment of positive and reverse return leading screw 1, derotation nut 4 matees with the derotation screw thread of positive and reverse return leading screw 1, is positioned at the derotation thread segment of positive and reverse return leading screw 1; And positive spin nut 3 and the geometric center symmetry of derotation nut 4 about positive and reverse return leading screw 1; Positive spin nut 3 is gone to the bottom and a location roller 2 is connected, and derotation nut 4 is connected with another location roller 2, and a location roller 2 leans out U type front apron 5.
The location centering anchor clamps that the utility model embodiment provides; Through being set, two adjustable location of relative distance prop up roller; Realized clamping location to square-section sample and vertical arc sample of different in width; Through making two location rollers equal, realized making the purpose of the sample centering of its clamping to the distance of center line.
Referring to Fig. 2; In order to keep locating the balance of a roller 2; Backboard 6 is provided with guide groove 9 near the position of bottom, and going to the bottom of guide groove 9 is fair with the upper surface of U type front apron 5 horizontal sides, and location roller 2 one end pass guide groove 9 and slide along guide groove 9; One end leans out U type front apron 5, and the middle part is supported by U type front apron 5 horizontal sides.
A location roller 2 is " Z " type location roller in the utility model embodiment; Referring to Fig. 1; Horizontal sides one end on a roller top, " Z " type location is connected with the vertical edges one, and the other end passes guide groove 9 and can slide along guide groove 9 along with the mobile of nut, and the middle part is supported by U type front apron 5 horizontal sides; The horizontal sides of a roller bottom, " Z " type location leans out U type front apron 5, is used for the clamping sample.
The rotation of positive and reverse return leading screw 1 for ease, an end of positive and reverse return leading screw 1 is provided with knob 10.
In order to make the leading screw supporting mechanism more firm, said leading screw supporting construction also comprises top baffle plate 11, and referring to Fig. 1, top baffle plate 11 is positioned at upper shed place of said coffin.In the utility model embodiment, connect through screw 12 between each baffle plate.
The location centering anchor clamps that the utility model embodiment provides, the concrete course of work in the plate tensile sample clamping is following:
Referring to Fig. 3, the location centering anchor clamps 14 that the utility model embodiment is provided are installed in full-open type or clamp body lower end, semi-open type chuck 13 upper right side.When dextrorotation knob 10, positive and reverse return leading screw 1 is just changeing, positive spin nut 3, the 4 opposing motions of derotation nut, thus drive two " Z " type location rollers along guide groove 9 opposing slips.Because positive spin nut 3 and the geometric center symmetry of derotation nut 4 about positive and reverse return leading screw 1, and at a distance of a segment distance, thereby played the purpose of regulating this distance through knob 10.(
Figure BDA0000089977730000041
D is the width of plate tensile sample 15 bare terminal ends during work this distance to be adjusted to a suitable width A; D is the width at plate tensile sample 15 parallel length places); " Z " type location roller and the contact of sample 15 transition arcs vertically hang between two rollers sample 15, carry out the style clamping.Thereby make plate tensile sample vertical and centering in clamping process.
The above is merely the preferred embodiment of the utility model, and is in order to restriction the utility model, not all within the spirit and principle of the utility model, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the utility model.

Claims (7)

1. locate the centering anchor clamps for one kind; It is characterized in that; Said anchor clamps comprise positive and reverse return leading screw, two leading screw supporting constructions of locating a roller, positive spin nut, derotation nuts and supporting said positive and reverse return leading screw, and said positive spin nut is positioned at the dextrorotation thread segment of said positive and reverse return leading screw, and said derotation nut is positioned at the derotation thread segment of said positive and reverse return leading screw; And said positive spin nut and said derotation nut are about the geometric center symmetry of said positive and reverse return leading screw; Said positive spin nut props up roller with a said location and is connected, and said derotation nut props up roller with another said location and is connected, and said location is propped up roller and leant out said leading screw supporting construction.
2. location according to claim 1 centering anchor clamps; It is characterized in that; Said leading screw supporting construction comprises U type front apron, backboard and two side direction baffle plates, respectively is provided with a leading screw axis hole on two said side direction baffle plates, and two said side direction baffle plates are between said U type front apron and said backboard; And surround coffin with said U type front apron and said backboard, said positive and reverse return leading screw passes two said leading screw axis holes.
3. location according to claim 2 centering anchor clamps; It is characterized in that; Said backboard is provided with guide groove near the position of bottom; Going to the bottom of said guide groove is fair with the upper surface of said U type front apron horizontal sides, and said location is propped up roller one end and passed the said guide groove slip of said guide groove and edge, and the other end leans out said U type front apron.
4. location according to claim 3 centering anchor clamps; It is characterized in that; Said location is propped up roller and is " Z " type location roller; Horizontal sides one end on a roller top, said " Z " type location is connected with the vertical edges one, and the other end passes said guide groove, and the horizontal sides of a roller bottom, said " Z " type location leans out said U type front apron.
5. location according to claim 1 centering anchor clamps is characterized in that an end of said positive and reverse return leading screw is provided with knob.
6. location according to claim 2 centering anchor clamps is characterized in that said leading screw supporting construction also comprises the top baffle plate, and said top baffle plate is positioned at upper shed place of said coffin.
7. according to the described location of the arbitrary claim of claim 2-6 centering anchor clamps, it is characterized in that, connect through screw between the said baffle plate.
CN201120332135XU 2011-09-08 2011-09-08 Positioning and centering clamping tool Expired - Fee Related CN202188986U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201120332135XU CN202188986U (en) 2011-09-08 2011-09-08 Positioning and centering clamping tool

Publications (1)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102879262A (en) * 2012-09-11 2013-01-16 吉林大学 Flat-throw type electric chuck
CN104625718A (en) * 2014-12-24 2015-05-20 南车成都机车车辆有限公司 Centring and aligning mounting device for idle gear shaft sleeve of locomotive diesel engine
CN104942616A (en) * 2014-03-26 2015-09-30 中国有色(沈阳)冶金机械有限公司 Irregular frame geometrical form machining positioning centering special jig
CN105158066A (en) * 2015-10-29 2015-12-16 珠海格力电器股份有限公司 Universal testing machine and tensile sample clamp thereof
CN106289950A (en) * 2015-05-27 2017-01-04 鞍钢股份有限公司 A kind of high-speed stretch centralising device and method
CN108088738A (en) * 2017-11-29 2018-05-29 中国航空工业集团公司沈阳飞机设计研究所 A kind of centering clamp for testing machine template test specimen
CN109060498A (en) * 2018-06-26 2018-12-21 天津澳晨科技有限公司 A kind of pendulum test machine
CN112477796A (en) * 2020-11-24 2021-03-12 范宇贤 Children that are detained in car detection alarm device based on Arduino
CN112683530A (en) * 2020-12-16 2021-04-20 福建中维动力科技股份有限公司 Bearing capacity detection device of heavy truck transmission shaft
CN113533049A (en) * 2021-07-23 2021-10-22 合肥睿权信息科技有限公司 Material performance detection equipment, use method and test method

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102879262A (en) * 2012-09-11 2013-01-16 吉林大学 Flat-throw type electric chuck
CN104942616A (en) * 2014-03-26 2015-09-30 中国有色(沈阳)冶金机械有限公司 Irregular frame geometrical form machining positioning centering special jig
CN104625718A (en) * 2014-12-24 2015-05-20 南车成都机车车辆有限公司 Centring and aligning mounting device for idle gear shaft sleeve of locomotive diesel engine
CN106289950B (en) * 2015-05-27 2023-05-12 鞍钢股份有限公司 High-speed stretching centering device and method
CN106289950A (en) * 2015-05-27 2017-01-04 鞍钢股份有限公司 A kind of high-speed stretch centralising device and method
CN105158066A (en) * 2015-10-29 2015-12-16 珠海格力电器股份有限公司 Universal testing machine and tensile sample clamp thereof
CN108088738A (en) * 2017-11-29 2018-05-29 中国航空工业集团公司沈阳飞机设计研究所 A kind of centering clamp for testing machine template test specimen
CN108088738B (en) * 2017-11-29 2020-08-11 中国航空工业集团公司沈阳飞机设计研究所 Centering clamp for testing machine plate type test piece
CN109060498A (en) * 2018-06-26 2018-12-21 天津澳晨科技有限公司 A kind of pendulum test machine
CN112477796A (en) * 2020-11-24 2021-03-12 范宇贤 Children that are detained in car detection alarm device based on Arduino
CN112683530A (en) * 2020-12-16 2021-04-20 福建中维动力科技股份有限公司 Bearing capacity detection device of heavy truck transmission shaft
CN112683530B (en) * 2020-12-16 2023-07-18 福建中维动力科技股份有限公司 Bearing capacity detection device of heavy truck transmission shaft
CN113533049A (en) * 2021-07-23 2021-10-22 合肥睿权信息科技有限公司 Material performance detection equipment, use method and test method

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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

Granted publication date: 20120411

Termination date: 20200908

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