CN212807861U - Three-point bending fixture - Google Patents
Three-point bending fixture Download PDFInfo
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- CN212807861U CN212807861U CN202022175987.4U CN202022175987U CN212807861U CN 212807861 U CN212807861 U CN 212807861U CN 202022175987 U CN202022175987 U CN 202022175987U CN 212807861 U CN212807861 U CN 212807861U
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- clamp splice
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Abstract
The utility model discloses a three curved anchor clamps, the on-line screen storage device comprises a base, the base on be equipped with two tension adjusting device of symmetric distribution, a serial communication port, tension adjusting device include servo motor, servo motor on be equipped with the lead screw, the lead screw front end be connected with the slider, the slider set up on the slide rail, slider front end be connected with chuck device, chuck device include the connecting block of being connected with the slider, the connecting block be equipped with detachable and go up the clamp splice, last clamp splice pass through the fastener and link to each other with clamp splice down, the one end of test piece is fixed in between clamp splice and the lower clamp splice. The utility model discloses have the tension that can conveniently adjust the detection test piece difference, test piece performance parameter under different tension conditions that can be swift, and the chuck of test piece is changed conveniently.
Description
Technical Field
The utility model belongs to the technical field of mechanical equipment, relate to anchor clamps, especially, relate to a three-point bending anchor clamps.
Background
The ultrasonic ultra-high cycle fatigue test is to utilize the piezoelectric effect of a piezoelectric crystal to complete the conversion of electric energy and mechanical energy and drive a sample to resonate, wherein the three processes comprise the generation and control of a high-frequency excitation point signal, the electric-force conversion and the focusing and amplifying of the mechanical energy. The fatigue machine needs the limit data of test product test piece under the condition of different tensions at the during operation, and the tension of test piece can't be adjusted to current equipment, and the chuck of test piece is changed comparatively troublesome, and the practicality remains to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, provide a three point bending anchor clamps, have the tension that can conveniently adjust and detect the test piece difference, test piece performance parameter under different tension conditions that can be swift, and the chuck of test piece is changed conveniently, has solved the technical problem that prior art exists etc..
In order to achieve the above purpose, the utility model adopts the following technical proposal: the utility model provides a three curved anchor clamps of point, includes the base, the base on be equipped with two tension adjusting device of symmetric distribution, a serial communication port, tension adjusting device include servo motor, servo motor on be equipped with the lead screw, the lead screw front end be connected with the slider, the slider set up on the slide rail, the slider front end be connected with chuck device, chuck device include the connecting block of being connected with the slider, the connecting block be equipped with detachable and go up the clamp splice, last clamp splice pass through the fastener and link to each other with clamp splice down, the one end of test piece is fixed in between clamp splice and the lower clamp splice.
Preferably, the front end of the sliding rail is provided with a limiting baffle, the sliding block is arranged on one side of the limiting baffle, and a limiting flat plate is arranged on one side, close to the limiting baffle, of the sliding block.
Preferably, the sliding block is provided with a connecting rod, and the connecting rod penetrates through the limiting baffle and then is fixedly connected with the connecting block.
Preferably, the connecting block is provided with a slot, and the upper clamping block is provided with an inserting block matched with the slot.
Preferably, the upper clamping block is fixedly connected with the lower clamping block through a screw, a placing groove is formed in the lower clamping block, and one end of the test piece is arranged in the placing groove.
Compared with the prior art, the utility model has the advantages of: can drive the slider through the lead screw on the servo motor and slide, and then change the tension that the test piece received, the performance parameter of test piece under different tension conditions that can be swift, and the chuck device of test piece dismantles and changes the convenience, is equipped with the recess of placing the test piece tip on the clamp splice down simultaneously for the test piece of being tested has good stability, and the measuring accuracy is high.
Drawings
Fig. 1 is a schematic structural view of a three-point bending fixture provided by the present invention.
In the figure, a base 1, a tension adjusting device 2, a servo motor 3, a screw rod 4, a slide rail 6, a slide block 5, a chuck device 7, a connecting block 8, an upper clamping block 9, a lower clamping block 10, a limiting baffle 11, a limiting flat plate 12, a connecting rod 13, a slot 14, an inserting block 15, a screw rod 16 and a placing groove 17 are arranged.
Detailed Description
As shown in fig. 1, a three-point bending fixture comprises a base 1, the base 1 on be equipped with two tension adjusting devices 2 of symmetric distribution, its characterized in that, tension adjusting device 2 include servo motor 3, servo motor 3 on be equipped with lead screw 4, 4 front ends of lead screw be connected with slider 5, slider 5 set up on slide rail 6, slider 5 front end be connected with chuck device 7, chuck device 7 include connecting block 8 be connected with slider 5, connecting block 8 be equipped with detachable last clamp splice 9, last clamp splice 9 pass through the fastener and link to each other with lower clamp splice 10, the one end of test piece is fixed in between last clamp splice 9 and the lower clamp splice 10.
Specifically, the front end of the slide rail 6 is provided with a limit baffle 11, the slide block 5 is arranged on one side of the limit baffle 11, and one side of the slide block 5, which is close to the limit baffle 11, is provided with a limit flat plate 12.
Specifically, the sliding block 5 is provided with a connecting rod 13, and the connecting rod 13 penetrates through the limit baffle 11 and then is fixedly connected with the connecting block 8.
Specifically, the connecting block 8 is provided with a slot 14, and the upper clamping block 9 is provided with an inserting block 15 matched with the slot 14.
Specifically, the upper clamping block 9 is fixedly connected with the lower clamping block 10 through a screw 16, a placing groove 17 is formed in the lower clamping block 10, and one end of the test piece is arranged in the placing groove 17.
The use process comprises the following steps:
press from both sides tightly through last clamp splice 9 and clamp splice 10 down with the tip of test piece earlier, this device can drive slider 5 through lead screw 4 on the servo motor 3 and slide, slider 5 drives the slip of connecting block 8, and then the tension that changes the test piece and received, the performance parameter of test piece under different tension conditions that can be swift, and the last clamp splice 9 and the 8 grafting of connecting block of test piece are linked, both dismantle the change convenience, be equipped with the recess 17 of placing the test piece tip on the clamp splice 10 down simultaneously, make the test piece of being tested have good stability, the test accuracy is high.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms of the base 1, the tensioning device 2, the servo motor 3, the lead screw 4, the slide rail 6, the slide block 5, the chuck device 7, the connecting block 8, the upper clamping block 9, the lower clamping block 10, the limit baffle 11, the limit flat plate 12, the connecting rod 13, the slot 14, the insert block 15, the screw 16, the placing groove 17, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.
Claims (5)
1. The utility model provides a three curved anchor clamps of point, includes base (1), base (1) on be equipped with two tension adjusting device (2) of symmetric distribution, its characterized in that, tension adjusting device (2) include servo motor (3), servo motor (3) on be equipped with lead screw (4), lead screw (4) front end be connected with slider (5), slider (5) set up on slide rail (6), slider (5) front end be connected with chuck device (7), chuck device (7) include connecting block (8) be connected with slider (5), connecting block (8) be equipped with detachable and go up clamp splice (9), last clamp splice (9) link to each other with clamp splice (10) down through the fastener, the one end of test piece is fixed in between clamp splice (9) and lower clamp splice (10).
2. A three-point bending jig according to claim 1, wherein: slide rail (6) front end be equipped with limit baffle (11), slider (5) set up in one side of limit baffle (11), slider (5) be close to one side of limit baffle (11) and be equipped with spacing flat board (12).
3. A three-point bending jig according to claim 2, wherein: the sliding block (5) is provided with a connecting rod (13), and the connecting rod (13) penetrates through the limiting baffle (11) and then is fixedly connected with the connecting block (8).
4. A three-point bending jig according to claim 1, wherein: the connecting block (8) is provided with a slot (14), and the upper clamping block (9) is provided with an inserting block (15) matched with the slot (14).
5. A three-point bending jig according to claim 1, wherein: the upper clamping block (9) is fixedly connected with the lower clamping block (10) through a screw rod (16), a placing groove (17) is formed in the lower clamping block (10), and one end of the test piece is arranged in the placing groove (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022175987.4U CN212807861U (en) | 2020-09-28 | 2020-09-28 | Three-point bending fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022175987.4U CN212807861U (en) | 2020-09-28 | 2020-09-28 | Three-point bending fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212807861U true CN212807861U (en) | 2021-03-26 |
Family
ID=75090050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022175987.4U Active CN212807861U (en) | 2020-09-28 | 2020-09-28 | Three-point bending fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212807861U (en) |
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2020
- 2020-09-28 CN CN202022175987.4U patent/CN212807861U/en active Active
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