CN104807696A - Testing machine and method for test piece centering arrangement by using testing machine - Google Patents
Testing machine and method for test piece centering arrangement by using testing machine Download PDFInfo
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- CN104807696A CN104807696A CN201510250220.4A CN201510250220A CN104807696A CN 104807696 A CN104807696 A CN 104807696A CN 201510250220 A CN201510250220 A CN 201510250220A CN 104807696 A CN104807696 A CN 104807696A
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Abstract
The invention discloses a testing machine and a method for test piece centering arrangement by using the testing machine. The testing machine comprises a clamping arm and a second clamping arm, wherein the first clamping arm is used for clamping one end of a test piece, and the second clamping arm is used for clamping the other end of the test piece. The testing machine is characterized by further comprising a plurality of auxiliary wallboards, wherein the plurality of auxiliary wallboards are respectively connected to both sides of the first clamping arm and both sides of the second clamping arm in a detachable mode, so that the distance between the both sides of the first clamping arm on which the auxiliary wallboards are arranged and the second clamping arm on which the auxiliary wallboards are arranged is equal to that between both sides of both ends of the test piece, and the central axis of the first clamping arm and the central axis of the second clamping arm are coincided with the central axis of the test piece. Compared with the prior art, the problem of difficulty in centering of the test piece on a transition section can be solved, and the testing machine can adapt to the distance between both sides of the clamping positions of different test pieces and has the advantages of simple structure and convenience in operation.
Description
Technical field
The present invention relates to testing machine technical field, particularly relate to a kind of method that testing machine and service-test machine carry out the setting of testpieces centering.
Background technology
Testing machine operator by testpieces clamping to testing machine time, require that testpieces center line and testing machine load center line and overlap, so the center line of testpieces bare terminal end width must overlap with the fixture block width centreline of testing machine chuck.
In prior art, positive stop strip method is adopted to carry out spacing, to ensure that above-mentioned center line overlaps, but, existing positive stop strip method cannot use the testpieces with transition section, so during this kind of testpieces clamping, usually judges by operator's naked eyes, be difficult to reach very high alignment degree, and the time of this kind of testpieces of clamping also can be long with the testpieces of positive stop strip than clamping.
Therefore, wish a kind of technical scheme to overcome or at least alleviate at least one above-mentioned defect of prior art.
Summary of the invention
The object of the present invention is to provide a kind of testing machine to overcome or at least alleviate at least one the above-mentioned defect in prior art.
For achieving the above object, the invention provides a kind of testing machine, described testing machine comprises the first clamping limb and the second clamping limb, described first clamping limb is used for clamp assay part one end, described second clamping limb is used for the clamp assay part other end, described testing machine also comprises multiple second panel, described multiple second panel is connected in the mode of removably connecting with the both sides of described first clamping limb and the both sides of the second clamping limb respectively, distance between the first clamping limb being provided with second panel described in making and the second clamping limb both sides being provided with second panel equals the distance between the both sides at the two ends of described testpieces, thus make the central axis of described first clamping limb, the central axis of described second clamping limb and the central axes of described testpieces.
Preferably, described second panel is that magnetic is connected with the mode of removably connecting of described first clamping limb and the second clamping limb both sides.
Preferably, the unit thickness of described each second panel is no more than 1 centimetre.
Preferably, described second panel is steel plate.
Present invention also offers a kind of method using testing machine as above to carry out the setting of testpieces centering, described method comprises the steps: step 1: the distance between the both sides of often holding at the two ends that the measurement testpieces machine that is put to the test clamps, wherein, be put to the test one end of the first gripping arm of machine is the first bare terminal end, and one end of the second gripping arm of the machine that is put to the test is the second bare terminal end; Step 2: the distance between the both sides of the second clamping limb of the distance between the both sides of the first clamping limb of measurement testing machine and measurement testing machine; Step 3: the difference calculating the distance of the distance of the both sides of the first bare terminal end and the both sides of described first clamping limb; Calculate the difference of the distance of the distance of the both sides of the second bare terminal end and the both sides of described second clamping limb; Step 4: according to the difference of trying to achieve, it is the both sides increase second panel of the first clamping limb and the second clamping limb, distance between described the first clamping limb being provided with second panel and the second clamping limb both sides being provided with second panel equals the distance between the both sides at described testpieces two ends, thus makes the central axis of described first clamping limb, the central axis of described second clamping limb and the central axes of described testpieces.
Preferably, the distance in described step 1 and step 2 adopts distance measuring sensor to detect.
Preferably, in described step 4, both sides simultaneously to the first clamping limb increase second panel, both sides simultaneously to described second clamping limb increase second panel, to make the distance of the center line between the first clamping limb of increase second panel and the both sides of the second clamping limb compared with the distance of the center line do not increased between the first clamping limb of second panel and the both sides of the second clamping limb, offset.
Testing machine of the present invention, by arranging second panel for the both sides of the first clamping limb and the second clamping limb, distance between the both sides equaling testpieces two ends with the distance between the first clamping limb making to be provided with second panel and the second clamping limb both sides being provided with second panel, thus make the central axis of the first clamping limb, the central axis of the second clamping limb and the central axes of testpieces.Compared to prior art, the problem that the testpieces with transition section is not easy centering can be solved, and the distance between the both sides that can adapt to clamping place of different testpieces, and structure is simple, easy to operate.
Accompanying drawing explanation
Fig. 1 is the schematic diagram according to the test machine clamping testpieces in one embodiment of the invention.
Reference numeral:
1 | First clamping limb | 5 | Second clamping limb |
2 | Testpieces | ||
3 | Second clamping limb | ||
4 | Second panel |
Embodiment
For making object of the invention process, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the present invention's part embodiment, instead of whole embodiments.Be exemplary type below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creation type work prerequisite, belong to the scope of protection of the invention.Below in conjunction with accompanying drawing, embodiments of the invention are described in detail.
In describing the invention; it will be appreciated that; term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limiting the scope of the invention.
Testing machine shown in Fig. 1 comprises the first clamping limb 1, second clamping limb 3 and multiple second panel 4, first clamping limb 1 for clamp assay part 2 one end, and the second clamping limb 3 is for the other end of clamp assay part 2.
Multiple second panel 4 is connected in the mode of removably connecting with the both sides of the first clamping limb 1 and the both sides of the second clamping limb 3 respectively, distance between the both sides that distance between the first clamping limb 1 making to be provided with second panel 4 and the second clamping limb 3 both sides being provided with second panel 4 equals the two ends of testpieces 2 (is understandable that, above-mentioned both sides are two arrow directions in figure), thus make the central axis of the first clamping limb 1, the central axis of the second clamping limb 3 and the central axes of testpieces 2.
Particularly, second panel 4 removably connects the both sides of the first clamping limb 1, in the present embodiment, both sides are connected to second panel 4, like this, can ensure that the mid point of the shortest 2 straight lines formed be connected arbitrarily in the both sides of the first clamping limb 1 connected before second panel 4 is the same with the mid point of this most short lines after connection second panel 4, namely owing to being only equipped with second panel 4 in side, and the neutral point deviation of this straight line of the first clamping limb 1 can not be caused.
Be understandable that, in like manner, second panel 4 removably connects the both sides of the second clamping limb 3, and in the present embodiment, both sides are connected to second panel 4.
Be understandable that, in the present embodiment, second panel 4 is that magnetic is connected with the mode of removably connecting of the first clamping limb 1 and the second clamping limb 3 both sides.Be understandable that, the mode of removably connecting of second panel 4 and the first clamping limb 1 and the second clamping limb 3 both sides can also be selected as required.Such as, can be bonding or other modes that removably connect such as bolt connection.
In the present embodiment, second panel 4 is steel plate.Be understandable that, second panel 4 also can select the good material of other magnetic to make.Such as iron or other alloys.
In the present embodiment, the unit thickness of each second panel 4 is no more than 1 centimetre, be understandable that, because above-mentioned distance minimum margin may be accurate to 1CM, in order to object of the present invention can be reached, advantageously, the thickness of second panel 4 is no more than 1 centimetre, the distance enabling testing machine of the present invention adapt between the both sides at the two ends of different testpieces with this.
According to testing machine of the present invention, present invention also offers a kind of method using testing machine of the present invention to carry out the setting of testpieces centering, comprise the steps:
Step 1: the distance between the both sides of often holding at the two ends that the measurement testpieces machine that is put to the test clamps, wherein, one end of the first gripping arm of the machine that is put to the test is the first bare terminal end, and one end of the second gripping arm of the machine that is put to the test is the second bare terminal end; Be understandable that, in the present embodiment, adopt distance measuring sensor to detect.
Step 2: the distance between the both sides of the second clamping limb of the distance between the both sides of the first clamping limb of measurement testing machine and measurement testing machine; Be understandable that, in the present embodiment, adopt distance measuring sensor to detect.
Step 3: the difference calculating the distance of the distance of the both sides of the first bare terminal end and the both sides of described first clamping limb; Calculate the difference of the distance of the distance of the both sides of the second bare terminal end and the both sides of described second clamping limb;
Step 4: according to the difference of trying to achieve, it is the both sides increase second panel of the first clamping limb and the second clamping limb, distance between described the first clamping limb being provided with second panel and the second clamping limb both sides being provided with second panel equals the distance between the both sides at described testpieces two ends, thus makes the central axis of described first clamping limb, the central axis of described second clamping limb and the central axes of described testpieces.
Be understandable that, in step 4, the present embodiment adopts increases second panel to the both sides of the first clamping limb simultaneously, the method simultaneously increasing second panel to the both sides of described second clamping limb increases the distance between both sides, to make the distance of the center line between the first clamping limb of increase second panel and the both sides of the second clamping limb compared with the distance of the center line do not increased between the first clamping limb of second panel and the both sides of the second clamping limb, offset.
Finally it is to be noted: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit.Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (7)
1. a testing machine, described testing machine comprises the first clamping limb (1) and the second clamping limb (3), described first clamping limb (1) is for clamp assay part (2) one end, described second clamping limb (3) is for clamp assay part (2) other end, it is characterized in that, described testing machine also comprises multiple second panel (4), described multiple second panel (4) is connected in the mode of removably connecting with the both sides of described first clamping limb (1) and the both sides of the second clamping limb (3) respectively, distance between the first clamping limb (1) being provided with second panel (4) described in making and the second clamping limb (3) both sides being provided with second panel (4) equals the distance between the both sides at the two ends of described testpieces (2), thus make the central axis of described first clamping limb (1), the central axis of described second clamping limb (3) and the central axes of described testpieces (2).
2. testing machine as claimed in claim 1, it is characterized in that, described second panel (4) is that magnetic is connected with the mode of removably connecting of described first clamping limb (1) and the second clamping limb (3) both sides.
3. testing machine as claimed in claim 1, it is characterized in that, the thickness of described each second panel (4) is no more than 1 centimetre.
4. testing machine as claimed in claim 1, it is characterized in that, described second panel (4) is steel plate.
5. use as the testing machine in Claims 1-4 as described in any one carries out the method for testpieces centering setting, it is characterized in that, described method comprises the steps:
Step 1: the distance between the both sides of often holding at the two ends that the measurement testpieces machine that is put to the test clamps, wherein, one end of the first gripping arm of the machine that is put to the test is the first bare terminal end, and one end of the second gripping arm of the machine that is put to the test is the second bare terminal end;
Step 2: the distance between the both sides of the second clamping limb of the distance between the both sides of the first clamping limb of measurement testing machine and measurement testing machine;
Step 3: the difference calculating the distance of the distance of the both sides of the first bare terminal end and the both sides of described first clamping limb; Calculate the difference of the distance of the distance of the both sides of the second bare terminal end and the both sides of described second clamping limb;
Step 4: according to the difference of trying to achieve, it is the both sides increase second panel of the first clamping limb and the second clamping limb, distance between described the first clamping limb being provided with second panel and the second clamping limb both sides being provided with second panel equals the distance between the both sides at described testpieces two ends, thus makes the central axis of described first clamping limb, the central axis of described second clamping limb and the central axes of described testpieces.
6. carry out the method for testpieces centering setting as claimed in claim 5, it is characterized in that, the distance in described step 1 and step 2 adopts distance measuring sensor to detect.
7. carry out the method for testpieces centering setting as claimed in claim 5, it is characterized in that, in described step 4, both sides simultaneously to the first clamping limb increase second panel, both sides simultaneously to described second clamping limb increase second panel, to make the distance of the center line between the first clamping limb of increase second panel and the both sides of the second clamping limb compared with the distance of the center line do not increased between the first clamping limb of second panel and the both sides of the second clamping limb, offset.
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CN201510250220.4A CN104807696B (en) | 2015-05-15 | 2015-05-15 | A kind of method that testing machine and service-test machine carry out testpieces centering setting |
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CN104807696A true CN104807696A (en) | 2015-07-29 |
CN104807696B CN104807696B (en) | 2018-06-05 |
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Cited By (1)
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---|---|---|---|---|
CN105973696A (en) * | 2016-07-06 | 2016-09-28 | 哈尔滨理工大学 | Wallboard structure fatigue testing machine clamp |
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