CN211235244U - Cross tensile test fixture for hot-melting self-tapping connecting joint - Google Patents

Cross tensile test fixture for hot-melting self-tapping connecting joint Download PDF

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Publication number
CN211235244U
CN211235244U CN201922092542.7U CN201922092542U CN211235244U CN 211235244 U CN211235244 U CN 211235244U CN 201922092542 U CN201922092542 U CN 201922092542U CN 211235244 U CN211235244 U CN 211235244U
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sample
fixing
block
test
fixing rod
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李落星
周巧英
何洪
徐从昌
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Changsha Zhongteng Metal Materials Technology Co ltd
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Changsha Zhongteng Metal Materials Technology Co ltd
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Abstract

The utility model discloses a cross tensile test anchor clamps of hot melt self-tapping attach fitting, include: the two ends of the first test piece are arranged on the end surface of the first sample fixing block; the first fixing rod is arranged on the other end face of the first sample fixing block, the first fixing rod is connected with a stretching sleeve of the tensile testing machine through a first connecting pin, and a first locking component is arranged on the first fixing rod; the two ends of the second test piece are arranged on one end face of the second sample fixing block; and the second fixing rod is arranged on the other end face of the second sample fixing block, is connected with the other stretching sleeve of the tensile testing machine through a second connecting pin, and is provided with a second locking component. The clamp and the stretching sleeve are stably and reliably connected, two parts of the clamp cannot slide relative to the connecting end of the tensile testing machine in the loading process, and the mechanical property of the cross-shaped stretching sample can be accurately obtained.

Description

Cross tensile test fixture for hot-melting self-tapping connecting joint
Technical Field
The utility model relates to a steel/aluminium xenogenesis material connects technical field, particularly, relates to a cross tensile test anchor clamps of hot melt self-tapping attach fitting.
Background
The hot melt self-tapping (FDS) is a single-side forming connection method suitable for connecting multiple layers of dissimilar plates, has a self-piercing and extruding fastener, can drill through 2-4 layers of thin plates and realize connection, and is gradually widely applied to various large host factories by virtue of the advantages of the FDS in the connection of dissimilar materials.
In order to obtain the mechanical properties of the FDS connector under pure tensile load, a sample similar to the spot welding cross tensile sample is designed, and referring to fig. 8 to 11, the sample is composed of two rectangular test pieces perpendicular to each other, and the center of the test pieces is connected by an FDS screw.
At present, a spot welding cross sample is installed on a common tensile testing machine to complete mechanical property testing by designing a set of special fixture. However, the existing clamp is fixed on two jaws of the tensile testing machine through clamping, and during loading, the clamp has a certain slippage relative to the tensile testing machine, so that the mechanical properties of the cross tensile test sample cannot be accurately acquired.
SUMMERY OF THE UTILITY MODEL
A primary object of the utility model is to provide a cross tensile test anchor clamps of hot melt self-tapping attach fitting to when solving current anchor clamps centre gripping cross tensile sample at least and carrying out tensile test, because anchor clamps and tensile test machine's exposed core relative slip, lead to the problem of the mechanical properties of unable accurate acquisition sample.
In order to realize the above-mentioned purpose, the utility model provides a cross tensile test anchor clamps of hot melt self-tapping attach fitting, hot melt self-tapping attach fitting include first test block and second test block, and first test block and second test block pass through the hot melt and connect formation cross from the tapping, and cross tensile test anchor clamps include:
the two ends of the first test piece are fixedly arranged on one end face of the first sample fixing block;
the first fixing rod is arranged on the other end face, opposite to the end face where the first test piece is arranged, of the first sample fixing block, the first fixing rod is connected with a stretching sleeve of the tensile testing machine through a first connecting pin, and a first locking component used for locking and fixing the first fixing rod and the stretching sleeve is arranged on the first fixing rod;
the two ends of the second test piece are fixedly arranged on one end face of the second sample fixing block;
the second fixed rod is arranged on the other end face, opposite to the end face where the second test piece is arranged, of the second sample fixed block, the second fixed rod is connected with the other stretching sleeve of the tensile testing machine through a second connecting pin, and a second locking component used for locking and fixing the second fixed rod and the stretching sleeve is arranged on the second fixed rod.
Furthermore, a first connecting pin hole matched with the pin hole in the stretching sleeve is formed in the first fixing rod, and the first connecting pin is in clearance fit connection with the pin hole in the stretching sleeve and the first connecting pin hole.
Furthermore, the first locking component is a first fixing ring, and the first fixing ring is sleeved on the first fixing rod and is in threaded connection with the first fixing rod.
Furthermore, a second connecting pin hole matched with the pin hole in the stretching sleeve is formed in the second fixing rod, and the second connecting pin is in clearance fit connection with the pin hole in the stretching sleeve and the second connecting pin hole.
Furthermore, the second locking component is a second fixing ring, and the second fixing ring is sleeved on the second fixing rod and is in threaded connection with the second fixing rod.
Furthermore, a first fixing rod connecting screw hole is formed in the first fixing rod, and the first sample fixing block is fixedly connected with the first fixing rod through a first connecting bolt penetrating through the first fixing rod connecting screw hole; a first positioning groove is formed in the first sample fixing block, and a first positioning protruding strip corresponding to the first positioning groove is formed in the first fixing rod.
Furthermore, a second fixing rod connecting screw hole is formed in the second fixing rod, and the second sample fixing block is fixedly connected with the second fixing rod through a second connecting bolt penetrating through the second fixing rod connecting screw hole; and a second positioning groove is formed in the second sample fixing block, and a second positioning convex strip corresponding to the second positioning groove is formed in the second fixing rod.
Further, first sample fixed block is the cross, has seted up first test block on the first sample fixed block and has connected the screw, and the both ends of first test block are all connected the first construction bolt fixed mounting in the screw through an insertion first test block on first sample fixed block.
Further, the second sample fixed block is the bar, has seted up the second test block on the second sample fixed block and has connected the screw, and the both ends of second test block are all connected the second construction bolt fixed mounting in the screw through an insertion second test block on the second sample fixed block, offer the holding tank that is used for holding second construction bolt head on the first sample fixed block.
By applying the technical scheme of the utility model, the two ends of the first test piece are fixedly arranged on the first sample fixing block, the first fixing rod is arranged on the other end surface of the first sample fixing block opposite to the end surface for installing the first test piece, the first fixing rod is connected with the stretching sleeve of the tensile testing machine through the first connecting pin, and the first locking part is arranged on the first fixing rod; fixedly mounting two ends of a second test piece on a second test piece fixing block, mounting a second fixing rod on the other end face of the second test piece fixing block opposite to the end face on which the second test piece is mounted, connecting the second fixing rod with the other stretching sleeve of the tensile testing machine through a second connecting pin, and arranging a second locking component on the second fixing rod; during installation, a first test piece and a second test piece are respectively installed on a first sample fixing block and a second sample fixing block, a first fixing rod and a second fixing rod are respectively connected to the other ends of the first sample fixing block and the second sample fixing block, then the first fixing rod and the second fixing rod are respectively placed into a stretching sleeve, are respectively connected through a first connecting pin and a second connecting pin, and are respectively locked and fixed through a second locking component and a second locking component; the cross tensile test fixture is stably and reliably connected with the tensile sleeve, two parts of the fixture cannot slide relative to the connecting end of the tensile test machine in the loading process, and the mechanical property of a cross tensile test sample can be accurately obtained.
The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is an axonometric view of the cross tensile test fixture of the embodiment of the utility model.
Fig. 2 is the utility model discloses a cross tensile test anchor clamps's main view structure schematic diagram.
Fig. 3 is the utility model discloses a right side of cross tensile test anchor clamps looks structural schematic.
Fig. 4 is a schematic structural diagram of the cross tensile test fixture according to the embodiment of the present invention when connected with a tensile sleeve.
Fig. 5 is a schematic top view of the cross tensile test fixture according to an embodiment of the present invention.
Fig. 6 is a schematic sectional view taken along the plane a-a in fig. 5.
Fig. 7 is a schematic sectional view taken along the plane B-B in fig. 5.
FIG. 8 is a schematic diagram of a cross-shaped hot-melt self-tapping attachment fitting.
FIG. 9 is a schematic view of the cross-shaped hot melt self-threading connector after removal of the hot melt self-threading.
FIG. 10 is a schematic top view of a cross-shaped hot melt self-tapping attachment fitting.
Fig. 11 is a schematic sectional view taken along the plane C-C in fig. 10.
Wherein the figures include the following reference numerals:
10. a first sample fixing block; 12. a first positioning groove; 13. the first test piece is connected with the screw hole; 14. a first mounting bolt; 15. accommodating grooves; 16. a first connecting bolt; 20. a first fixed bar; 21. a first connecting pin; 22. a first connecting pin hole; 23. a first retainer ring; 24. a first positioning convex strip; 25. the first fixing rod is connected with the screw hole; 30. a second sample fixing block; 32. a second positioning groove; 33. the second test piece is connected with the screw hole; 34. a second mounting bolt; 36. a second connecting bolt; 40. a second fixed bar; 41. a second connecting pin; 42. a second connecting pin hole; 43. a second retainer ring; 44. a second positioning convex strip; 45. the second fixing rod is connected with the screw hole; 100. a hot-melting self-tapping connecting joint; 110. a first test piece; 120. a second test piece; 130. hot melting self-tapping; 200. and stretching the sleeve.
Detailed Description
To facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the specific embodiments described below. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather the intention is merely to facilitate a distinction between corresponding parts. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" and "coupled" and the like are not limited to direct connections, but may be indirect connections via other intermediate connections. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
The utility model provides a hot melt is from tapping attach fitting 100's cross tensile test anchor clamps. Referring to fig. 8 to 11, the thermal fusion self-tapping joint 100 includes a first test strip 110 and a second test strip 120, and the first test strip 110 and the second test strip 120 are connected by a thermal fusion self-tapping 130 to form a cross shape. Referring to fig. 1 to 7, the cross-shaped tensile test jig includes a first sample fixing block 10, a first fixing bar 20, a second sample fixing block 30, and a second fixing bar 40. Wherein, two ends of the first test piece 110 are fixedly installed on one end surface of the first sample fixing block 10; the first fixing rod 20 is installed on the other end face of the first sample fixing block 10 opposite to the end face where the first test piece 110 is installed, the first fixing rod 20 is connected with the tensile sleeve 200 of the tensile testing machine through a first connecting pin 21, and the first fixing rod 20 is provided with a first locking component for locking and fixing the first fixing rod 20 and the tensile sleeve 200; both ends of the second test piece 120 are fixedly mounted on one end surface of the second sample fixing block 30; the second fixing rod 40 is installed on the other end surface of the second sample fixing block 30 opposite to the end surface where the second test piece 120 is installed, the second fixing rod 40 is connected with the other extension sleeve 200 of the tensile testing machine through a second connecting pin 41, and a second locking member for locking and fixing the second fixing rod 40 and the extension sleeve 200 is arranged on the second fixing rod 40.
In the cross tensile test fixture, two ends of the first test piece 110 are fixedly mounted on the first sample fixing block 10, the first fixing rod 20 is mounted on the other end surface of the first sample fixing block 10 opposite to the end surface on which the first test piece 110 is mounted, the first fixing rod 20 is connected with the tensile sleeve 200 of the tensile testing machine through the first connecting pin 21, and the first locking component is arranged on the first fixing rod 20; fixedly mounting two ends of a second test piece 120 on a second sample fixing block 30, mounting a second fixing rod 40 on the other end face of the second sample fixing block 30 opposite to the end face on which the second test piece 120 is mounted, connecting the second fixing rod 40 with another stretching sleeve 200 of the tensile testing machine through a second connecting pin 41, and arranging a second locking component on the second fixing rod 40; during installation, the first test piece 110 and the second test piece 120 are respectively installed on the first sample fixing block 10 and the second sample fixing block 30, the first fixing rod 20 and the second fixing rod 40 are respectively connected to the other ends of the first sample fixing block 10 and the second sample fixing block 30, then the first fixing rod 20 and the second fixing rod 40 are respectively placed into a stretching sleeve 200, are respectively connected through the first connecting pin 21 and the second connecting pin 41, and are respectively locked and fixed through the second locking component and the second locking component; the cross tensile test fixture is stably and reliably connected with the tensile sleeve 200, two parts of the fixture cannot slide relative to the connecting end of the tensile test machine in the loading process, and the mechanical property of a cross tensile test sample can be accurately obtained.
In this embodiment, the first fixing rod 20 is provided with a first connecting pin hole 22 matching with the pin hole of the draw sleeve 200, and the first connecting pin 21 is in clearance fit connection with the pin hole of the draw sleeve 200 and the first connecting pin hole 22. So configured, it is more convenient to connect the first fixing rod 20 with the draw sleeve 200.
Further, referring to fig. 1 to 7, in the present embodiment, the first locking component is a first fixing ring 23, and the first fixing ring 23 is sleeved on the first fixing rod 20 and is in threaded connection with the first fixing rod 20. So set up, when connecting first fixed rod 20 and stretch sleeve 200, insert first fixed rod 20 in stretch sleeve 200 earlier, make between first connecting pin hole 22 and stretch sleeve 200 the pinhole on corresponding, insert first connecting pin 21, then rotate first retainer plate 23 towards the mouth of pipe one side of stretch sleeve 200, make first retainer plate 23 support tightly the mouth of pipe of stretch sleeve 200, fix first fixed rod 20 and stretch sleeve 200 locking, easy operation, connection are reliable.
In this embodiment, the second fixing rod 40 is provided with a second connecting pin hole 42 matching with the pin hole of the draw sleeve 200, and the second connecting pin 41 is in clearance fit connection with the pin hole of the draw sleeve 200 and the second connecting pin hole 42. This arrangement further facilitates the connection of the second fixing bar 40 to the draw sleeve 200.
Further, referring to fig. 1 to 7, in the present embodiment, the second locking component is a second fixing ring 43, and the second fixing ring 43 is sleeved on the second fixing rod 40 and is in threaded connection with the second fixing rod 40. With the arrangement, when the second fixing rod 40 is connected with the drawing sleeve 200, the second fixing rod 40 is firstly inserted into the drawing sleeve 200, the second connecting pin holes 42 correspond to the pin holes on the drawing sleeve 200, the second connecting pin 41 is inserted, then the second fixing ring 43 is rotated towards one side of the pipe orifice of the drawing sleeve 200, the second fixing ring 43 is abutted against the pipe orifice of the drawing sleeve 200, and the second fixing rod 40 and the drawing sleeve 200 are locked and fixed, so that the operation is simple and the connection is reliable.
Referring to fig. 6, in the present embodiment, a first fixing rod connecting screw hole 25 is formed in the first fixing rod 20, and the first sample fixing block 10 is fixedly connected to the first fixing rod 20 by a first connecting bolt 16 inserted into the first fixing rod connecting screw hole 25; the first sample fixing block 10 is provided with a first positioning groove 12, and the first fixing rod 20 is provided with a first positioning convex strip 24 corresponding to the first positioning groove 12. After the first fixing rod 20 is connected with the first sample fixing block 10, the first fixing rod 20 and the first sample fixing block 10 are prevented from rotating relatively when being installed subsequently by matching the first positioning groove 12 and the first positioning convex strip 24 for positioning.
Referring to fig. 7, in the present embodiment, the second fixing rod 40 is provided with a second fixing rod connection screw hole 45, and the second sample fixing block 30 is fixedly connected to the second fixing rod 40 through a second connection bolt 36 inserted into the second fixing rod connection screw hole 45; the second sample fixing block 30 is provided with a second positioning groove 32, and the second fixing rod 40 is provided with a second positioning protruding strip 44 corresponding to the second positioning groove 32. After the second fixing rod 40 is connected with the second sample fixing block 30, the second fixing rod 40 and the second sample fixing block 30 are prevented from rotating relatively during subsequent installation by matching the second positioning groove 32 with the second positioning convex strip 44 for positioning.
Referring to fig. 1 to 7, in this embodiment, the first sample fixing block 10 is cross-shaped, a first test piece connecting screw hole 13 is formed on the first sample fixing block 10, and both ends of the first test piece 110 are fixedly mounted on the first sample fixing block 10 through a first mounting bolt 14 inserted into the first test piece connecting screw hole 13. The second sample fixed block 30 is the bar, has seted up the second test piece on the second sample fixed block 30 and has connected screw 33, and the both ends of second test piece 120 are all connected the second mounting bolt 34 fixed mounting in screw 33 on the second sample fixed block 30 through an insert second test piece, offer the holding tank 15 that is used for holding the 34 heads of second mounting bolt on the first sample fixed block 10.
The installation and use method of the cross tensile test clamp comprises the following steps:
the first fixing rod 20 is in threaded connection with the first sample fixing block 10, and the second fixing rod 40 is in threaded connection with the second sample fixing block 30; mounting two ends of the second test piece 120 on the end surface of the second sample fixing block 30; then, mounting the two ends of the first test piece 110 on the end surface of the first sample fixing block 10; then the first fixing rod 20 and the second fixing rod 40 are respectively inserted into two stretching sleeves 200 of the tensile testing machine, and the first connecting pin 21 and the second connecting pin 41 are inserted; then the first fixing ring 23 and the second fixing ring 43 are rotated to lock and fix the first fixing rod 20 and the second fixing rod 40 with the stretching sleeve 200;
pure tensile load loading is carried out on two ends of the clamp, the axial lines of the first fixing rod 20 and the second fixing rod 40 and the axial line of the tensile sleeve 200 are always in the same straight line in the loading process, and the first test piece 110 and the second test piece 120 are guaranteed to be stressed and conducted to the riveting point of the hot-melting self-tapping screw 130 to be in positive tension in the vertical direction; with the increase of the loading displacement, the second test piece 120 moves upward along with the upper half part of the fixture, and the first test piece 110 moves downward along with the lower half part of the fixture; when the first test strip 110 and the second test strip 120 are completely separated or the hot melt self-tapping screw 130 fails, the experiment is completed; in the experimental process, the tensile testing machine completes the recording of relevant parameters such as a load-displacement curve and the like;
in order to more conveniently and accurately obtain the relative displacement between the first test piece 110 and the second test piece 120, speckles may be sprayed on the end surfaces of the first sample fixing block 10 and the second sample fixing block 30 connected to the test pieces, and the relative displacement between the speckles of the first sample fixing block 10 and the second sample fixing block 30 may be recorded by means of DIC (digital image correlation) photographing during the test, so as to quickly and accurately obtain the relative displacement between the first test piece 110 and the second test piece 120.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides a cross tensile test anchor clamps of hot melt self-tapping connect joint (100), hot melt self-tapping connect joint (100) includes first test block (110) and second test block (120), first test block (110) with second test block (120) connect through hot melt self-tapping (130) and form the cross, its characterized in that, cross tensile test anchor clamps include:
the test device comprises a first sample fixing block (10), a second sample fixing block and a test strip (110), wherein two ends of the first test strip (110) are fixedly arranged on one end face of the first sample fixing block (10);
the first fixing rod (20) is installed on the other end face, opposite to the end face where the first test piece (110) is installed, of the first sample fixing block (10), the first fixing rod (20) is connected with a stretching sleeve (200) of a tensile testing machine through a first connecting pin (21), and a first locking component used for locking and fixing the first fixing rod (20) and the stretching sleeve (200) is arranged on the first fixing rod (20);
the two ends of the second test piece (120) are fixedly arranged on one end face of the second sample fixing block (30);
the second fixed rod (40), the second fixed rod (40) is installed second sample fixed block (30) and installation on the relative another terminal surface of second test piece (120), the second fixed rod (40) is connected with tensile testing machine's another through a second connecting pin (41) tensile sleeve pipe (200), be equipped with on the second fixed rod (40) be used for with the second fixed rod (40) with tensile sleeve pipe (200) carry out the fixed second locking part of locking.
2. The cross-shaped tensile test fixture of the hot-melt self-tapping connecting joint (100) according to claim 1, wherein the first fixing rod (20) is provided with a first connecting pin hole (22) matched with the pin hole on the stretching sleeve (200), and the first connecting pin (21) is in clearance fit connection with the pin hole on the stretching sleeve (200) and the first connecting pin hole (22).
3. The cross tensile test fixture of a hot melt self-threading connector sub (100) according to claim 2, wherein said first locking member is a first retaining ring (23), said first retaining ring (23) being disposed over said first retaining bar (20) and being in threaded engagement with said first retaining bar (20).
4. The cross-shaped tensile test fixture of the hot-melt self-tapping connecting joint (100) according to claim 1, wherein the second fixing rod (40) is provided with a second connecting pin hole (42) matched with the pin hole of the stretching sleeve (200), and the second connecting pin (41) is in clearance fit connection with the pin hole of the stretching sleeve (200) and the second connecting pin hole (42).
5. The cross tensile test fixture of a hot melt self-threading connector sub (100) according to claim 4, wherein said second locking member is a second retaining ring (43), said second retaining ring (43) being disposed over said second retaining bar (40) and being threadably engaged with said second retaining bar (40).
6. The cross tensile test fixture of a hot melt self-tapping attachment fitting (100) according to claim 1, wherein a first fixing bar connection screw hole (25) is formed in the first fixing bar (20), and the first sample fixing block (10) is fixedly connected to the first fixing bar (20) by a first connection bolt (16) inserted into the first fixing bar connection screw hole (25); the first sample fixing block (10) is provided with a first positioning groove (12), and the first fixing rod (20) is provided with a first positioning convex strip (24) corresponding to the first positioning groove (12).
7. The cross tensile test fixture of a hot melt self-tapping attachment fitting (100) according to claim 1, wherein a second fixing bar connection screw hole (45) is formed in the second fixing bar (40), and the second sample fixing block (30) is fixedly connected to the second fixing bar (40) by a second connection bolt (36) inserted into the second fixing bar connection screw hole (45); and a second positioning groove (32) is formed in the second sample fixing block (30), and a second positioning convex strip (44) corresponding to the second positioning groove (32) is arranged on the second fixing rod (40).
8. The cross tensile test fixture of hot melt self-tapping attach fitting (100) of claim 1, wherein, first sample fixed block (10) is the cross, seted up first test piece on first sample fixed block (10) and connected screw (13), the both ends of first test piece (110) are all through one insert first mounting bolt (14) fixed mounting in first test piece connection screw (13) on first sample fixed block (10).
9. The cross tensile test fixture of the hot-melt self-tapping connector (100) according to claim 1, wherein the second sample fixing block (30) is bar-shaped, the second sample fixing block (30) is provided with a second test piece connecting screw hole (33), two ends of the second test piece (120) are fixedly mounted on the second sample fixing block (30) through a second mounting bolt (34) inserted into the second test piece connecting screw hole (33), and the first sample fixing block (10) is provided with a receiving groove (15) for receiving the head of the second mounting bolt (34).
CN201922092542.7U 2019-11-28 2019-11-28 Cross tensile test fixture for hot-melting self-tapping connecting joint Active CN211235244U (en)

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Application Number Priority Date Filing Date Title
CN201922092542.7U CN211235244U (en) 2019-11-28 2019-11-28 Cross tensile test fixture for hot-melting self-tapping connecting joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922092542.7U CN211235244U (en) 2019-11-28 2019-11-28 Cross tensile test fixture for hot-melting self-tapping connecting joint

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CN211235244U true CN211235244U (en) 2020-08-11

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111948033A (en) * 2020-09-28 2020-11-17 东风汽车集团有限公司 Cross tensile test fixture for automobile plate connection points
CN112798409A (en) * 2020-12-30 2021-05-14 东北轻合金有限责任公司 Special clamp for XXXX high-end aluminum alloy tensile sample and use method
CN113552005A (en) * 2021-06-24 2021-10-26 首钢集团有限公司 High-strength sheet cross bending test device and method
CN117804892A (en) * 2024-03-01 2024-04-02 淄博市产品质量检验研究院 Automatic metal sample replacement system and material tensile strength test platform

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111948033A (en) * 2020-09-28 2020-11-17 东风汽车集团有限公司 Cross tensile test fixture for automobile plate connection points
CN112798409A (en) * 2020-12-30 2021-05-14 东北轻合金有限责任公司 Special clamp for XXXX high-end aluminum alloy tensile sample and use method
CN113552005A (en) * 2021-06-24 2021-10-26 首钢集团有限公司 High-strength sheet cross bending test device and method
CN117804892A (en) * 2024-03-01 2024-04-02 淄博市产品质量检验研究院 Automatic metal sample replacement system and material tensile strength test platform
CN117804892B (en) * 2024-03-01 2024-05-07 淄博市产品质量检验研究院 Automatic metal sample replacement system and material tensile strength test platform

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