CN212722361U - Novel frock clamp for fatigue test - Google Patents
Novel frock clamp for fatigue test Download PDFInfo
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- CN212722361U CN212722361U CN202021329414.6U CN202021329414U CN212722361U CN 212722361 U CN212722361 U CN 212722361U CN 202021329414 U CN202021329414 U CN 202021329414U CN 212722361 U CN212722361 U CN 212722361U
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- fatigue test
- lower clamping
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Abstract
The utility model belongs to the technical field of fatigue test, a novel tool clamp for fatigue test is disclosed, a middle test piece platform is arranged on the upper side of a lower clamping plane, and an upper clamping platform is arranged on the upper side of the middle test piece platform; the middle test piece platform is provided with four altogether, is fixed in centre gripping plane corner down. The lower clamping plane is provided with a lower clamping head switching rectangular block and a lower clamping head round bar. The middle test piece platform is provided with a U-shaped table board, two sides of the U-shaped table board are provided with screw rods, the upper portions of the screw rods are provided with cushion blocks, and test pieces are arranged between the cushion blocks and the U-shaped table board. The upper clamping platform is provided with an upper clamping head switching rectangular block, an upper clamping head round rod and a square plate, a cylindrical pin is sleeved in the square plate, two ends of the cylindrical pin are respectively provided with the square plate, and the square plates at two ends are located on the upper side of the cushion block. The utility model discloses a 45 # steel pole and clamp splice integrated into one piece guarantee frock clamp's axiality and centering nature, simple to operate, simple and practical has improved fatigue test efficiency.
Description
Technical Field
The utility model belongs to the technical field of fatigue test tests, especially, relate to a novel frock clamp for fatigue test.
Background
At present, during fatigue test, a fatigue test of only one standard test piece can be generally carried out by one testing machine at a time, particularly for low-frequency fatigue test, the fatigue test period of one standard test piece is long, when the number of the fatigue testing machines far cannot meet the number of the fatigue test pieces needing to be carried out at present, the test period for completing the fatigue test is long and possibly far exceeds the requirement of the test period time, so that the tooling fixture for testing four test pieces on one fatigue testing machine at a time is designed according to the requirements of the fatigue test, particularly the requirements of the low-frequency fatigue test, and the fatigue test efficiency can be greatly improved on the basis of ensuring the reliability of the fatigue test. After the tool clamp is customized, the tool clamp is installed on a fatigue testing machine, a dummy part is installed, static test and dynamic test are carried out, local modification is carried out on the tool clamp according to an actual measurement result, and the requirement of a fatigue test is met.
Through the above analysis, the problems and defects of the prior art are as follows: at present, one testing machine can only carry out the fatigue test of one standard test piece at a time, and the fatigue test period is long.
The difficulty in solving the above problems and defects is: how to ensure that the load spectrum of the fatigue testing machine is basically consistent on four standard test pieces.
The significance of solving the problems and the defects is as follows: the fatigue test method has the advantages that the basic consistency of fatigue load spectrums on each test piece is ensured in the fatigue test process through actual measurement and simulation means, and the method is of great significance for improving the fatigue test efficiency at one time.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model provides a novel frock clamp for fatigue test.
The utility model discloses a realize like this, a novel frock clamp for fatigue test is provided with:
a lower clamping plane;
a middle test piece platform is arranged on the upper side of the lower clamping plane, and an upper clamping platform is arranged on the upper side of the middle test piece platform;
the middle test piece platforms are provided with four and fixed at the corners of the lower clamping plane.
Further, the lower clamping plane is provided with a lower chuck switching rectangular block, the bottom of the lower clamping plane is integrally provided with a lower chuck round bar, 24 through holes are formed in the lower clamping plane, and the through holes are uniformly formed in two sides of the middle test piece platform.
Further, the diameter of the lower chuck round rod is 15mm, and the length of the lower chuck round rod is 60 mm.
Further, the middle test piece platform is provided with a U-shaped table board, three screw rods are arranged on two sides of the U-shaped table board respectively, a cushion block is arranged on the upper portion of each screw rod, and a test piece is arranged between each cushion block and the U-shaped table board.
Each test piece is connected with the through hole on the lower clamping platform through 6 screw rods and cushion blocks, so that the vertical constraint of each test piece is guaranteed.
Further, the lower end of the screw rod is fixed in the through hole.
Further, the upper clamping platform is provided with an upper clamping head transfer rectangular block, the upper clamping head transfer rectangular block is positioned above the middle part of the lower clamping plane, and an upper clamping head round rod is integrally arranged on the upper side of the middle part of the upper clamping head transfer rectangular block;
go up chuck switching rectangular block both ends upside and be provided with square board, square board middle part has been seted up the round hole, the round hole endotheca has cup jointed the cylindric lock, the cylindric lock both ends are provided with a square board respectively, the square board that is located both ends is located the cushion upside.
The cylindrical pin penetrates through the three square round holes at the two ends, so that load transfer between the upper clamping platform and the middle test piece platform is realized.
Further, the diameter of the upper chuck round rod is 15 mm.
Combine foretell all technical scheme, the utility model discloses the advantage that possesses and positive effect are:
(1) novel adopt 45 # steel, except U type mesa and lower clamping platform welding, other each sums all are the integrated into one piece, guarantee frock clamp's axiality and centering nature, clamping plane, middle test piece platform and the installation of last clamping platform triplex under the installation time-sharing, simple to operate, simple and practical, whole frock can guarantee to four test piece fatigue test in-process fatigue load register for easy reference on every test piece.
(2) The utility model relates to a require the precision high with processing, can once only accomplish four test pieces fatigue test, improved fatigue test efficiency greatly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a novel tooling clamp for fatigue test provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a novel tooling fixture for fatigue tests provided by an embodiment of the present invention;
in the figure: 1. an upper chuck round bar; 2. the upper chuck is connected with the rectangular block in a switching way; 3. a cylindrical pin; 4. a square plate; 5. cushion blocks; 6. a U-shaped table-board; 7. a screw; 8. the lower chuck is connected with the rectangular block; 9. a lower chuck round bar; 10. and (5) testing the part.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
To the problem that prior art exists, the utility model provides a novel frock clamp for fatigue test, it is right to combine the figure below the utility model discloses do detailed description.
As shown in fig. 1 and fig. 2, the utility model provides a novel frock clamp for fatigue test includes: the device comprises an upper chuck round rod 1, an upper chuck switching rectangular block 2, a cylindrical pin 3, a square plate 4, a cushion block 5, a U-shaped table top 6, a screw 7, a lower chuck switching rectangular block 8, a lower chuck round rod 9 and a test piece 10.
Example 1
The upper side of the lower clamping plane of the embodiment is provided with a middle test piece platform, and the upper side of the middle test piece platform is provided with an upper clamping platform; middle test piece platform is provided with four altogether, is fixed in lower clamping plane corner, the utility model discloses a lower clamping plane, go up clamping platform, middle test piece platform are 45 # steel.
Example 2
On embodiment 1's basis, the lower centre gripping plane of this embodiment is provided with lower chuck switching rectangular 8, and lower centre gripping plane bottom integration is provided with lower chuck pole 9, and lower chuck pole 9 diameter is 15mm, and length is 60mm, has seted up 24 through-holes on the lower centre gripping plane, and the through-hole evenly sets up in middle test piece platform both sides.
Example 3
On the basis of the embodiment 1, the middle test piece platform of the embodiment is provided with a U-shaped table top 6, two sides of the U-shaped table top 6 are respectively provided with three screws 7, the upper parts of the screws 7 are provided with cushion blocks 5, and the lower ends of the screws 7 are fixed in through holes; a test piece 10 is arranged between the cushion block 5 and the U-shaped table surface 6; each test piece 10 is connected with a through hole on the lower clamping platform through 6 screw rods 7 and a cushion block 5, so that the vertical constraint of each test piece 10 is ensured.
Example 4
On the basis of the embodiment 1, the upper clamping platform of the embodiment is provided with an upper chuck switching rectangular block 2, the upper chuck switching rectangular block 2 is positioned above the middle part of a lower clamping plane, an upper chuck round rod 1 is integrally arranged on the upper side of the middle part of the upper chuck switching rectangular block 2, the diameter of the upper chuck round rod 1 is 15mm, and the flatness requirement is provided when the upper chuck switching rectangular block 2 and the upper chuck round rod 1 are processed, so that the flatness of the surface of the clamp is ensured; go up 2 both ends upsides of chuck switching rectangular block and be provided with square board 4, square board 4 middle part has been seted up the round hole, has cup jointed cylindric lock 3 in the round hole, and 3 both ends of cylindric lock are provided with a square board 4 respectively, and square board 4 that is located both ends is located the 5 upsides of cushion. The cylindrical pin 3 penetrates through the three square round holes at the two ends, so that the load transfer efficiency of the upper clamping platform and the middle test piece platform is realized.
The utility model discloses a theory of operation does: the test piece 10 is placed on the U-shaped table board 6, the test piece 10 is restrained in the vertical direction through the screw 7, the lower chuck switching rectangular block 8 and the through hole, the lower chuck of the fatigue testing machine with the lower chuck round rod 9 is clamped together, and the upper chuck 1 and the upper chuck of the fatigue testing machine are clamped together, so that the fatigue test is carried out, and not only the tensile fatigue test but also the tensile fatigue test can be carried out. And carrying out fatigue test, wherein when the fatigue testing machine works, the upper chuck of the fatigue testing machine drives the upper clamping block 1 to move up and down according to a fatigue load spectrum, the upper chuck drives the upper clamping block 2 to move 4, when the upper clamping block is transmitted to the upper clamping block 4, the total load spectrum of the fatigue testing machine is equally divided into two blocks in the middle of the upper clamping block 4, and the upper clamping block 4 is transmitted to 4 blocks 4 through two cylindrical pins of the upper clamping block 3. Thereby realizing that the total fatigue load spectrum of the fatigue testing machine is quartered to 10 test pieces with 4.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be covered within the protection scope of the present invention by those skilled in the art within the technical scope of the present invention.
Claims (7)
1. The utility model provides a novel frock clamp for fatigue test, its characterized in that, novel frock clamp for fatigue test is provided with:
a lower clamping plane;
a middle test piece platform is arranged on the upper side of the lower clamping plane, and an upper clamping platform is arranged on the upper side of the middle test piece platform;
the middle test piece platforms are provided with four and fixed at the corners of the lower clamping plane.
2. The novel tooling clamp for the fatigue test as recited in claim 1, wherein the lower clamping plane is provided with a lower chuck adapting rectangular block, the bottom of the lower clamping plane is integrally provided with a lower chuck round bar, the lower clamping plane is provided with 24 through holes, and the through holes are uniformly arranged at two sides of the middle test piece platform.
3. The novel work fixture for the fatigue test as claimed in claim 2, wherein the lower chuck round bar has a diameter of 15mm and a length of 60 mm.
4. The novel tooling clamp for the fatigue test as recited in claim 1, wherein the middle test piece platform is provided with a U-shaped table top, three screws are respectively arranged on two sides of the U-shaped table top, a cushion block is arranged on the upper portion of each screw, test pieces are arranged between the cushion blocks and the U-shaped table top, and each test piece is connected with a through hole on the lower clamping platform through 6 screws and cushion blocks, so that the vertical restraint of each test piece is ensured.
5. The novel work fixture for the fatigue test as set forth in claim 4, wherein the lower end of the screw is fixed in the through hole.
6. The novel tooling clamp for the fatigue test as recited in claim 1, wherein the upper clamping platform is provided with an upper chuck transfer rectangular block, the upper chuck transfer rectangular block is positioned above the middle part of the lower clamping plane, and an upper chuck round bar is integrally arranged on the upper side of the middle part of the upper chuck transfer rectangular block;
go up chuck switching rectangular block both ends upside and be provided with square board, square board middle part has been seted up the round hole, the round hole endotheca has cup jointed the cylindric lock, the cylindric lock both ends are provided with a square board respectively, the square board that is located both ends is located the cushion upside.
7. The novel tooling clamp for the fatigue test as recited in claim 6, wherein the diameter of the upper chuck round rod is 15 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021329414.6U CN212722361U (en) | 2020-07-08 | 2020-07-08 | Novel frock clamp for fatigue test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021329414.6U CN212722361U (en) | 2020-07-08 | 2020-07-08 | Novel frock clamp for fatigue test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212722361U true CN212722361U (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021329414.6U Active CN212722361U (en) | 2020-07-08 | 2020-07-08 | Novel frock clamp for fatigue test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212722361U (en) |
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2020
- 2020-07-08 CN CN202021329414.6U patent/CN212722361U/en active Active
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