CN211179369U - Clamp on fatigue testing machine test piece and fatigue testing machine - Google Patents
Clamp on fatigue testing machine test piece and fatigue testing machine Download PDFInfo
- Publication number
- CN211179369U CN211179369U CN201922063542.4U CN201922063542U CN211179369U CN 211179369 U CN211179369 U CN 211179369U CN 201922063542 U CN201922063542 U CN 201922063542U CN 211179369 U CN211179369 U CN 211179369U
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- guide rail
- test piece
- testing machine
- fatigue testing
- bolt
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Abstract
The utility model relates to a fatigue testing machine test piece goes up anchor clamps and fatigue testing machine, include: the device comprises a first guide rail, a second guide rail, an adjusting piece and a test piece chuck, wherein the first guide rail is horizontally arranged, the second guide rail is horizontally arranged below the second guide rail, the test piece chuck can slide along the second guide rail, and the adjusting piece is used for connecting and fixing the first guide rail and the second guide rail, adjusting the crossing angle of the first guide rail and the second guide rail and adjusting the connecting position of the first guide rail and the second guide rail. According to the utility model discloses a fatigue testing machine test piece goes up anchor clamps and fatigue testing machine, the horizontal position of test piece chuck and the centre gripping angle that the regulation test piece pressed from both sides are adjusted to the accessible regulating part, all can carry out the centre gripping to standard test piece or nonstandard test piece.
Description
Technical Field
The utility model belongs to the technical field of the material test, concretely relates to fixture and fatigue testing machine on fatigue testing machine test piece.
Background
The fatigue testing machine is an important instrument for detecting the durability of materials, parts and structures, and the service life of the materials, the parts and the structures is influenced by the advantages and the disadvantages of the durability. Common fatigue test items include torsional fatigue tests, tensile fatigue tests, and flexural fatigue tests. Coastal bridges, ships, offshore floating structures and subsea pipelines, which are generally welded to connect metal structural members, cross-welded structures are a simplification of these large facilities. The fatigue test of a cross-shaped welding structure is an important method for researching the service life of the structures, but the traditional fatigue testing machine can only test a standard test piece, such as a straight test piece, namely a standard cross-shaped welding joint, but because two welded long plates sometimes deviate when being cooled after being welded, the two long plates are not in a straight line, and at the moment, the chuck of the traditional fatigue testing machine cannot simultaneously clamp the upper long plate and the lower long plate to carry out tests such as stretching, bending and the like, so that the test is difficult to develop.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a clamp on fatigue testing machine test piece is provided, the test piece chuck position of going up the clamp is adjustable, can develop the experiment to nonstandard test piece.
The concrete solution is as follows:
the utility model provides a fixture on fatigue testing machine test piece, include: the device comprises a first guide rail, a second guide rail, an adjusting piece and a test piece chuck, wherein the first guide rail is horizontally arranged, the second guide rail is horizontally arranged below the first guide rail, the test piece chuck can slide along the second guide rail, and the adjusting piece is used for fixedly connecting the first guide rail and the second guide rail at different distances from one end of the first guide rail and adjusting the intersection angle of the first guide rail (1) and the second guide rail.
From this, according to the utility model discloses a clamp on fatigue testing machine test piece, the horizontal position of test piece chuck and the centre gripping angle that the regulation test piece pressed from both sides are adjusted to the accessible regulating part, all can carry out the centre gripping to standard test piece or nonstandard test piece.
On the basis of the above scheme, the utility model discloses can also carry out following improvement:
furthermore, a first sliding groove which is communicated up and down is formed in the first guide rail, the adjusting piece comprises a first bolt, a screw hole is formed in the second guide rail, and the lower end of the first bolt penetrates through the first sliding groove and is in threaded connection with the screw hole.
Therefore, when the horizontal position and the clamping angle of the test piece chuck need to be adjusted, the first bolt is rotated, the lower end of the first bolt is screwed out from the inner part of the screw hole, no extrusion effect exists between the first guide rail and the second guide rail, the cross angle between the first guide rail and the second guide rail can be adjusted by rotating the second guide rail, the clamping angle of the test piece chuck can be adjusted, the adjusting piece can also be moved along the direction of the first sliding groove, the position of the second guide rail can be moved along the direction of the first sliding groove, the horizontal position of the test piece chuck can be adjusted along the direction of the first sliding groove, and after the adjustment is completed, the first bolt is rotated in the opposite direction, and the first guide rail and the second guide rail are fixed again.
Furthermore, a limiting block is arranged in the middle of the first bolt and clamped in the first sliding groove, and the limiting block is used for limiting the connection depth of the first bolt and the screw hole.
Therefore, the limiting block can prevent the first bolt from being completely screwed out of the screw hole when the first bolt is manually screwed out, so that the first guide rail and the second guide rail are separated; on the other hand, when the first bolt is screwed in manually, the limiting block and the bolt cap act on the first guide rail simultaneously, the extrusion area of the action areas of the first bolt and the second guide rail is increased, and the connection firmness of the first guide rail and the first guide rail is improved.
Furthermore, a second sliding groove with a downward opening is formed in the second guide rail, a sliding block is arranged on the test piece chuck and is in sliding connection with the second sliding groove, and a fixing piece is further arranged on the sliding block and is used for positioning and fixing the sliding position of the sliding block.
Therefore, the slide block can drive the test piece chuck to slide along the direction of the second sliding groove, and the test piece chuck is positioned and fixed through the fixing piece after sliding to a required position. Based on the utility model discloses an anchor clamps have realized the test piece chuck along the position control of first spout direction, second spout direction and the regulation of centre gripping angle on the fatigue testing machine test piece.
Further, the fixing piece comprises a second bolt and a nut, one end of the second bolt is fixedly connected with the sliding block, and the other end of the second bolt penetrates through the opening end of the second sliding groove to be in threaded connection with the nut.
Therefore, when the position of the sliding block needs to be adjusted, the nut is loosened, and the nut is screwed after the adjustment is completed.
Preferably, a locking piece is arranged on the clamp test piece chuck. When carrying out fatigue tests such as vibration, through retaining member locking test piece to avoid the test piece to drop. The locking member may be a bolt, screw, or the like.
Further, the mounting still includes the gasket, the other end of second bolt passes in proper order the second spout and the gasket with nut threaded connection.
The utility model also provides a fatigue testing machine, including organism, last anchor clamps and lower anchor clamps, its characterized in that, it is as above to go up anchor clamps the fatigue testing machine test piece on anchor clamps.
Specifically, the specific structure of the existing fatigue testing machine is referred to CN201711024880, which is a novel fatigue testing machine. Based on the utility model discloses a fatigue testing machine can adjust the horizontal position of test piece chuck and the centre gripping angle that the test piece pressed from both sides as required, to nonstandard test piece, also can carry out the centre gripping if the cross welded joint of nonstandard, as shown in the figure, is standard and nonstandard cross welded joint's structure respectively.
Drawings
Fig. 1 is a schematic perspective view of a three-dimensional structure according to an embodiment of the present invention.
Fig. 2 is a schematic top view structure diagram according to an embodiment of the present invention.
Fig. 3 is a cross-sectional view a-a of an adjustment member according to an embodiment of the present invention, but not in an adjusted state.
Fig. 4 is a cross-sectional view taken along a line a-a of an adjusting member according to an embodiment of the present invention.
Figure 5 is a standard cruciform weld structural standard.
FIG. 6 is a non-standard cruciform weld structural standard.
In the accompanying fig. 1-6, the components represented by the various reference numerals are as follows:
a first guide rail 1; a first chute 11;
a second guide rail 2; a screw hole 21; a second chute 22;
an adjusting member 3; a first bolt 31; a stopper 311; a bolt cap 312;
a test piece chuck 4; a fixing member 41; a bolt 411; a nut 412; a gasket 413; a slider 42.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
The invention is described below with reference to specific embodiments in conjunction with fig. 1-4.
As shown in fig. 1 and 2, according to the utility model discloses clamp on fatigue testing machine test piece, include: the device comprises a first guide rail 1, a second guide rail 2, an adjusting piece 3 and a test piece chuck 4, wherein the first guide rail 1 is horizontally arranged, the second guide rail 2 is horizontally arranged below the second guide rail 1, the test piece chuck 4 can slide along the second guide rail 2, and the adjusting piece 3 is used for fixedly connecting the first guide rail 1 and the second guide rail 2 of the upper clamp at different distances from one end of the first guide rail 1 and adjusting the intersection angle of the first guide rail 1 of the upper clamp and the second guide rail 2 of the upper clamp.
From this, according to the utility model discloses a fatigue testing machine test piece goes up anchor clamps, accessible regulating part 3 adjusts the horizontal position of test piece chuck 4 and adjusts the centre gripping angle that test piece presss from both sides 4, all can carry out the centre gripping to standard test piece or nonstandard test piece.
As shown in fig. 3, according to the utility model discloses a fatigue testing machine test piece goes up anchor clamps, sets up the first spout 11 that link up from top to bottom on the first guide rail 1, and regulating part 3 includes first bolt 31, is provided with screw 21 on the second guide rail 2, and first spout 11 and screw 21 threaded connection are passed to first bolt 31 lower extreme.
Therefore, when the horizontal position and the clamping angle of the test piece chuck 4 need to be adjusted, the first bolt 31 is rotated, the lower end of the first bolt 31 is screwed out from the screw hole (as shown in fig. 4), no extrusion effect exists between the first guide rail 1 and the second guide rail 2, the intersection angle of the first guide rail 1 and the second guide rail 2 can be adjusted by rotating the second guide rail 2, so that the clamping angle of the test piece chuck 4 can be adjusted, the adjusting piece 3 can also be moved along the direction of the first chute 11, so that the position of the second guide rail 2 can be moved along the direction of the first chute 11, so that the horizontal position of the test piece chuck 4 can be adjusted along the direction of the first chute 11, after the adjustment is completed, the first bolt 31 is rotated in the opposite direction, and the first guide rail 1 and the second guide rail 2 are fixed again.
According to the utility model discloses an anchor clamps on fatigue testing machine test piece, first bolt 31 middle part is provided with stopper 311, and stopper 311 card is located in first spout 11 for inject first bolt 31 and screw 21's the depth of connection.
Therefore, the existence of the limiting block 311 can prevent the first bolt 31 from being completely screwed out of the screw hole 21 when the first bolt 31 is screwed out manually, so that the first guide rail 1 and the second guide rail 2 are separated; on the other hand, when the first bolt 31 is manually screwed in, the limit block 311 and the bolt cap 312 simultaneously act on the first guide rail 1, so that the pressing area of the acting areas of the first bolt 31 and the second guide rail 2 is increased, and the firmness of connection between the first guide rail 1 and the first guide rail 2 is improved.
According to the utility model discloses an anchor clamps on fatigue testing machine test piece is provided with opening second spout 22 down on the second guide rail 2, is provided with slider 42 on the test piece chuck 4, slider 42 and second spout 22 sliding connection still are provided with mounting 41 on the slider 42 for fix a position the sliding position of slider 42.
Therefore, the slide block 42 can drive the specimen holder 4 to slide along the direction of the second sliding chute 22, and the specimen holder is positioned and fixed by the fixing member 41 after sliding to a required position. Based on the utility model discloses an on fatigue testing machine test piece anchor clamps have realized test piece chuck 4 along the position control of 11 directions of first spout, the 22 directions of second spout and the regulation of centre gripping angle.
According to the utility model discloses a fixture on fatigue testing machine test piece, mounting 41 include second bolt 411 and nut 412, second bolt 411 one end and slider 42 fixed connection, and the other end passes second spout 22 open end and nut 412 threaded connection.
Thus, when the position of the slider 42 needs to be adjusted, the nut 412 is loosened, and after the adjustment is completed, the nut 412 is tightened.
Preferably, the clamp test piece holder 4 is provided with a locking member (not shown). When carrying out fatigue tests such as vibration, through retaining member locking test piece to avoid the test piece to drop. The locking member may be a bolt, screw, or the like.
According to the utility model discloses a fixture on fatigue testing machine test piece, mounting 41 still include gasket 413, and the other end of second bolt passes second spout 22 and gasket 413 and nut 412 threaded connection in proper order.
The utility model discloses still a fatigue testing machine, including organism, last anchor clamps and lower anchor clamps, its characterized in that goes up anchor clamps and is as above anchor clamps on the fatigue testing machine test piece of anchor clamps.
Specifically, the specific structure of the existing fatigue testing machine is referred to CN201711024880, which is a novel fatigue testing machine. Based on the utility model discloses a fatigue testing machine can adjust the horizontal position of test piece chuck 4 and the centre gripping angle of test piece clamp 4 as required, to nonstandard test piece, also can carry out the centre gripping if the cross welded joint of nonstandard, as shown in fig. 5 and 6, is the structure of the cross welded joint of standard and nonstandard respectively.
Although embodiments of the present invention have been described in detail above, those of ordinary skill in the art will understand that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. The utility model provides a clamp on fatigue testing machine test piece which characterized in that includes:
the device comprises a first guide rail (1) horizontally arranged, a second guide rail (2) horizontally arranged below the first guide rail (1), an adjusting piece (3) and a test piece chuck (4) capable of sliding along the second guide rail (2), wherein the adjusting piece (3) is used for fixedly connecting the first guide rail (1) and the second guide rail (2) at different distances from one end of the first guide rail (1) and adjusting the intersection angle of the first guide rail (1) and the second guide rail (2).
2. The upper clamp of the test piece of the fatigue testing machine according to claim 1, wherein a first sliding groove (11) which is through from top to bottom is formed in the first guide rail (1), the adjusting piece (3) comprises a first bolt (31), a screw hole (21) is formed in the second guide rail (2), and the lower end of the first bolt (31) penetrates through the first sliding groove (11) to be in threaded connection with the screw hole (21).
3. The upper clamp of the fatigue testing machine test piece according to claim 2, wherein a limit block (311) is arranged in the middle of the first bolt (31), and the limit block (311) is clamped in the first sliding groove (11) and used for limiting the connecting depth of the first bolt (31) and the screw hole (21).
4. The clamp on the test piece of the fatigue testing machine according to any one of claims 1 to 3, wherein a second sliding groove (22) with a downward opening is formed in the second guide rail (2), a sliding block (42) is arranged on the test piece collet (4), the sliding block (42) is connected with the second sliding groove (22) in a sliding manner, and a fixing piece (41) is further arranged on the sliding block (42) and used for positioning and fixing the sliding position of the sliding block (42).
5. The upper clamp of the fatigue testing machine test piece according to claim 4, wherein the fixing piece (41) comprises a second bolt (411) and a nut (412), one end of the second bolt (411) is fixedly connected with the sliding block (42), and the other end of the second bolt passes through the open end of the second sliding chute (22) and is in threaded connection with the nut (412).
6. The upper clamp of the fatigue testing machine test piece according to claim 5, wherein the fixing member (41) further comprises a gasket (413), and the other end of the second bolt sequentially passes through the second sliding groove (22) and the gasket (413) to be in threaded connection with the nut (412).
7. A fatigue testing machine, comprising a machine body, an upper clamp and a lower clamp, wherein the upper clamp is the upper clamp of the fatigue testing machine test piece according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922063542.4U CN211179369U (en) | 2019-11-26 | 2019-11-26 | Clamp on fatigue testing machine test piece and fatigue testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922063542.4U CN211179369U (en) | 2019-11-26 | 2019-11-26 | Clamp on fatigue testing machine test piece and fatigue testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211179369U true CN211179369U (en) | 2020-08-04 |
Family
ID=71800055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922063542.4U Expired - Fee Related CN211179369U (en) | 2019-11-26 | 2019-11-26 | Clamp on fatigue testing machine test piece and fatigue testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211179369U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113029769A (en) * | 2021-03-10 | 2021-06-25 | 湘潭大学 | Stretching experiment clamp capable of adjusting angle and being flexibly installed |
-
2019
- 2019-11-26 CN CN201922063542.4U patent/CN211179369U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113029769A (en) * | 2021-03-10 | 2021-06-25 | 湘潭大学 | Stretching experiment clamp capable of adjusting angle and being flexibly installed |
| CN113029769B (en) * | 2021-03-10 | 2022-09-06 | 湘潭大学 | Stretching experiment clamp capable of adjusting angle and being flexibly installed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200804 Termination date: 20211126 |