CN214224759U - Destructive test fixture - Google Patents
Destructive test fixture Download PDFInfo
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- CN214224759U CN214224759U CN202022565101.7U CN202022565101U CN214224759U CN 214224759 U CN214224759 U CN 214224759U CN 202022565101 U CN202022565101 U CN 202022565101U CN 214224759 U CN214224759 U CN 214224759U
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Abstract
The utility model belongs to the technical field of the engineering test, in particular to destructive test anchor clamps. A destructive test fixture comprises a base, a mounting bracket, a test fixture adjusting mechanism and a measuring mechanism, wherein the mounting bracket is fixedly mounted on the left end face of the base; the test fixture adjusting mechanism comprises a sliding seat, a ball screw, a hand wheel, a sliding block, a nut, a first bearing seat, a base, a second bearing seat, a rotating shaft, a second bearing, a driving bevel gear and a driven bevel gear; the measuring mechanism comprises a push-pull dynamometer, an adapter plate, a connecting block, a digital display scale and a push-pull dynamometer mounting seat; the digital display scale is installed on the base and is connected with the sliding seat through a connecting plate. The utility model discloses an add the push-pull dynamometer and mutually support with the digital display scale, carry out the measurement of load and displacement when realizing the tensile destruction of work piece, device simple structure, the operation is reliable.
Description
Technical Field
The utility model belongs to the technical field of the engineering test, in particular to destructive test anchor clamps.
Background
Destructive testing refers to testing in which the test sample is only destroyed and can only be tested, or in which the test sample is destroyed or consumed during the testing process. The tested sample completely loses the original use value after destructive testing. Such as a tensile test of a metal material, and an accelerated deterioration test of an electronic device are destructive tests. Often a fixture is required to perform the destructive test.
The existing workpiece damage testing machine is complex in structure, and cannot realize measurement of load and displacement during damage, so that the test requirement of workpiece damage cannot be met, and the application range of the workpiece damage testing machine is greatly limited.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model aims at providing a destructive test anchor clamps mutually supports through addding push-and-pull dynamometer and digital display scale, carries out the measurement of load and displacement when realizing the tensile destruction of work piece, device simple structure, and the operation is reliable.
The technical scheme of the utility model lies in: a destructive test fixture comprises a base, a mounting bracket, a test fixture adjusting mechanism and a measuring mechanism, wherein the lower part of the base is provided with an adjustable supporting leg, the upper part of the base is provided with a mounting seat, and the upper part of the mounting seat is provided with a linear guide rail; the mounting bracket is fixedly mounted on the left end face of the base; the test fixture adjusting mechanism comprises a sliding seat, a ball screw, a hand wheel, a sliding block, a nut, a first bearing seat, a base, a second bearing seat, a rotating shaft, a second bearing, a driving bevel gear and a driven bevel gear; the sliding seat is arranged on the sliding block, the nut is fixedly arranged on the sliding seat, the nut is movably arranged on the ball screw, the right end of the ball screw is arranged on the first bearing seat through the first bearing, the first bearing seat is fixedly arranged on the right side surface of the mounting seat, the base is positioned and arranged on the top surface of the first bearing seat, the second bearing seat is fixedly arranged on the base, the rotating shaft is arranged on the second bearing seat through the second bearing, the driving bevel gear is fixedly arranged at the lower end of the rotating shaft, the driven bevel gear is fixedly arranged on the right end surface of the ball screw and is meshed with the driving bevel gear, the fixing clamp is arranged on the second bearing block, the hand wheel is fixedly arranged at the top end of the rotating shaft, and the sliding block is arranged on the linear guide rail; the measuring mechanism comprises a push-pull dynamometer, an adapter plate, a connecting block, a digital display scale and a push-pull dynamometer mounting seat; the adapter plate is installed on the slide, push-pull dynamometer mount pad fixed mounting is on the adapter plate, the push-pull dynamometer is installed on the push-pull dynamometer mount pad, the digital display scale is installed on the base and the digital display scale pass through the connecting plate with the slide is connected, the connecting block is installed push-pull dynamometer left end.
And the base and the first bearing seat are fixedly provided with protective covers.
And the mounting bracket is provided with a limiting column.
The mounting bracket is of a U-shaped structure.
The sliding seat is in a T-shaped structural form.
And two ends of the ball screw are fixedly provided with limiting blocks.
And the second bearing seat is provided with a fixing clamp.
The technical effects of the utility model reside in that: 1. the utility model has the advantages that the push-pull dynamometer and the digital display scale are matched with each other, so that the load and the displacement are measured when the workpiece is stretched and damaged, the structure of the device is simple, and the operation is reliable; 2. the utility model discloses a rotation of gear + lead screw drives the gliding drive mode of slider on the slide rail, and the lead screw rotates and can produces great moment, and the slider slides and can conveniently carry out the tensile test of work piece.
The following will be further described with reference to the accompanying drawings.
Drawings
Fig. 1 is the utility model relates to a destructive test anchor clamps structure main view schematic diagram.
Fig. 2 is a schematic view of the structure of the destructive test fixture of the present invention.
Fig. 3 is a sectional view of the utility model discloses a destructive test fixture structure A-A.
Fig. 4 is the utility model relates to a breakdown test fixture structure right side view schematic diagram.
Reference numerals: 1-adjustable supporting leg, 2-mounting bracket, 3-push-pull dynamometer, 4-adapter plate, 5-fixing clamp, 6-protective cover, 7-base, 8-connecting block, 9-linear guide rail, 10-sliding base, 11-ball screw, 12-hand wheel, 13-connecting plate, 14-digital display scale, 15-mounting base, 16-second bearing base, 17-push-pull dynamometer mounting base, 18-limiting column, 19-sliding block, 20-nut, 21-first bearing, 22-first bearing base, 23-driving bevel gear, 24-base, 25-rotating shaft, 26-second bearing, 27-driven bevel gear and 28-limiting block.
Detailed Description
Example 1
In order to overcome the problem of the measurement of load and displacement when current work piece failure testing machine structure is complicated, can't realize destroying, the utility model provides a like the shown failure test anchor clamps of fig. 1, the utility model discloses an add push-and-pull dynamometer and digital display scale and mutually support, carry out the measurement of load and displacement when realizing the tensile destruction of work piece, device simple structure, the operation is reliable.
As shown in fig. 1, 2, 3 and 4, a destructive test fixture comprises a base 7, a mounting bracket 2, a test fixture adjusting mechanism and a measuring mechanism, wherein the lower part of the base 7 is provided with an adjustable supporting leg 1, the upper part of the base 7 is provided with a mounting seat 15, and the upper part of the mounting seat 15 is provided with a linear guide rail 9; the mounting bracket 2 is fixedly mounted on the left end face of the base 7;
the test fixture adjusting mechanism comprises a sliding seat 10, a ball screw 11, a hand wheel 12, a sliding block 19, a nut 20, a first bearing 21, a first bearing seat 22, a base 24, a second bearing seat 16, a rotating shaft 25, a second bearing 26, a driving bevel gear 23 and a driven bevel gear 27; the slide seat 10 is mounted on the slide block 19, the nut 20 is fixedly mounted on the slide seat 10, the nut 20 is movably mounted on the ball screw 11, the right end of the ball screw 11 is mounted on the first bearing seat 22 through the first bearing 21, the first bearing seat 22 is fixedly mounted on the right side surface of the mounting seat 15, the base 24 is fixedly mounted on the top surface of the first bearing seat 22, the second bearing seat 16 is fixedly mounted on the base 24, the rotating shaft 25 is mounted on the second bearing seat 16 through the second bearing 26, the driving bevel gear 23 is fixedly mounted at the lower end of the rotating shaft 25, the driven bevel gear 27 is fixedly mounted on the right end surface of the ball screw 11, the driven bevel gear 27 is engaged with the driving bevel gear 23, and the hand wheel 12 is fixedly mounted at the top end of the rotating shaft 25, the slide block 19 is arranged on the linear guide rail 9;
the measuring mechanism comprises a push-pull dynamometer 3, an adapter plate 4, a connecting block 8, a digital display scale 14 and a push-pull dynamometer mounting seat 17; the adapter plate 4 is installed on the slide 10, push-pull dynamometer mount pad 17 fixed mounting is on adapter plate 4, push-pull dynamometer 3 is installed on push-pull dynamometer mount pad 17, digital display scale 14 is installed on base 7 and digital display scale 14 pass through connecting plate 13 with slide 10 is connected, connecting block 8 is installed 3 left ends of push-pull dynamometer.
The utility model is additionally provided with the push-pull force meter 3, the push-pull force meter 3 is connected with the connecting block 8, and the connecting block 8 is connected with the test workpiece, so that the load measurement can be carried out when the workpiece is stretched and damaged; meanwhile, the digital display scale 14 is connected with the sliding seat 10 through the connecting plate 13, so that the displacement can be measured when the workpiece is damaged in a stretching mode, the load and the displacement can be measured when the workpiece is damaged in the stretching mode, and the device is simple in structure and reliable in operation. The driving bevel gear 23 is fixedly installed at the lower end of the rotating shaft 25, the driven bevel gear 27 is fixedly installed at the right end face of the ball screw 11, the driven bevel gear 27 is meshed with the driving bevel gear 23, the hand wheel 12 is fixedly installed at the top end of the rotating shaft 25, and the slider 19 is installed on the linear guide rail 9. in actual use, the hand wheel 12 rotates to drive the driving bevel gear 23 and the driven bevel gear 27 to rotate, so that the ball screw 11 rotates, the nut 20 is movably connected with the ball screw 11, the ball screw 11 rotates to give a force to the nut 20, because the nut 20 and the sliding seat 10 are fixedly installed, the sliding seat 10 and the slider 19 are fixedly installed, the slider 19 is installed on the linear guide rail 9, and at the moment, the linear guide rail 9 is a guiding device, so that the ball screw 11 rotates to drive the nut 20 and the slider 18 to slide left and right along the linear guide rail 9. The utility model discloses a rotation of gear + lead screw drives the gliding drive mode of slider on the slide rail, and the lead screw rotates and can produces great moment, and the slider slides and can conveniently carry out the tensile test of work piece.
Example 2
Preferably, on the basis of embodiment 1, in this embodiment, the protective cover 6 is fixedly mounted on the base 24 and the first bearing seat 22.
In practical use, the base 24 and the first bearing seat 22 are fixedly provided with the protective cover 6, so that personnel injury caused by separation of a part of workpieces from a workbench due to workpiece damage in a destructive test process is prevented, and the safety of the test process is ensured;
preferably, the mounting bracket 2 is provided with a limit column 18.
In practical use, the mounting bracket 2 is provided with the limiting column 18, so that the limiting of the left end limiting position of the sliding seat 10 is realized, the workpiece is prevented from being extruded, and the position of the limiting column 18 can be adjusted according to the length of the workpiece.
Preferably, the mounting bracket 2 is of a "U" shaped configuration. The sliding seat 10 is in the form of a T-shaped structure.
In practical use, the mounting bracket 2 is of a U-shaped structure, the sliding seat 10 is of a T-shaped structure, and the U-shaped structure and the T-shaped structure can be matched with each other in the test process, so that the structural size is effectively reduced, and the weight of the device is reduced.
Preferably, two ends of the ball screw 11 are fixedly provided with a limit block 28.
In practical use, ball 11 can inevitably take place the position and move at the rotation in-process, ball 11 both ends fixed mounting has stopper 28, effectively prescribes a limit to ball 11 motion range, makes ball 11 rotate at design position.
Preferably, the second bearing seat 16 is provided with a fixing clip 5.
In practical use, after the rotating hand wheel 12 drives the sliding seat 10 to move to a specified position along the linear guide 9, the fixing clamp 5 is locked, the second bearing seat 16 is locked, and the ball screw 11 is fixed and cannot rotate, so that the workpiece is kept at a fixed position.
A damage test clamp comprises the following specific use processes:
s1: mounting a workpiece to be tested;
fixedly installing the left end of a workpiece on the installation support 2, and fixedly installing the right end of the workpiece on the connecting block 8 to finish the installation of the workpiece;
s2: debugging a damage test clamp;
the hand wheel 12 is rotated to drive the rotating shaft 25 to rotate, the rotating shaft 25 drives the driven bevel gear 27 to rotate through the driving bevel gear 23, so that the ball screw 11 is driven to rotate, the ball screw 11 drives the sliding seat 10 to move left and right along the linear guide rail 9, the limiting column 18 is arranged on the mounting bracket 2, the limiting of the left limit position of the sliding seat 10 is realized, the extrusion operation of a workpiece is prevented, and the limiting column 18 is adjusted according to the length size of the workpiece;
s3: a tensile failure test;
after the adjustment is finished, the hand wheel 12 is rotated to drive the sliding seat 10 to move rightwards along the linear guide rail 9, so that the stretching operation of the workpiece is realized, at the moment, the sliding seat 10 is connected with the digital display scale 14 through the connecting plate 13, the displacement of the sliding seat 10 can be known from the digital display scale 14, and in addition, the load on the workpiece can be known from the push-pull force meter 3 on the sliding seat 10; until the workpiece is damaged, the load and displacement of the workpiece during damage can be obtained.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (7)
1. A kind of destruction test clamp, characterized by: including base (7), installing support (2), experimental anchor clamps adjustment mechanism and measuring mechanism, wherein:
the adjustable supporting legs (1) are arranged at the lower part of the base (7), the mounting seat (15) is arranged at the upper part of the base (7), and the linear guide rail (9) is arranged at the upper part of the mounting seat (15); the mounting bracket (2) is fixedly mounted on the left end face of the base (7);
the test fixture adjusting mechanism comprises a sliding seat (10), a ball screw (11), a hand wheel (12), a sliding block (19), a nut (20), a first bearing (21), a first bearing seat (22), a base (24), a second bearing seat (16), a rotating shaft (25), a second bearing (26), a driving bevel gear (23) and a driven bevel gear (27); the sliding seat (10) is mounted on the sliding block (19), the nut (20) is fixedly mounted on the sliding seat (10), the nut (20) is movably mounted on the ball screw (11), the right end of the ball screw (11) is mounted on the first bearing seat (22) through the first bearing (21), the first bearing seat (22) is fixedly mounted on the right side surface of the mounting seat (15), the base (24) is fixedly mounted on the top surface of the first bearing seat (22), the second bearing seat (16) is fixedly mounted on the base (24), the rotating shaft (25) is mounted on the second bearing seat (16) through the second bearing (26), the driving bevel gear (23) is fixedly mounted at the lower end of the rotating shaft (25), the driven bevel gear (27) is fixedly mounted on the right end surface of the ball screw (11), and the driven bevel gear (27) is meshed with the driving bevel gear (23), the hand wheel (12) is fixedly arranged at the top end of the rotating shaft (25), and the sliding block (19) is arranged on the linear guide rail (9);
the measuring mechanism comprises a push-pull dynamometer (3), an adapter plate (4), a connecting block (8), a digital display scale (14) and a push-pull dynamometer mounting seat (17); adapter plate (4) are installed on slide (10), push-pull dynamometer mount pad (17) fixed mounting is on adapter plate (4), push-pull dynamometer (3) are installed on push-pull dynamometer mount pad (17), digital display scale (14) are installed on base (7) and digital display scale (14) through connecting plate (13) with slide (10) are connected, install connecting block (8) push-pull dynamometer (3) left end.
2. The failure test fixture of claim 1, wherein: and the base (24) and the first bearing seat (22) are fixedly provided with a protective cover (6).
3. The failure test fixture of claim 1, wherein: and a limiting column (18) is arranged on the mounting bracket (2).
4. The failure test fixture of claim 1, wherein: the mounting bracket (2) is of a U-shaped structure.
5. The failure test fixture of claim 1, wherein: the sliding seat (10) is in a T-shaped structural form.
6. The failure test fixture of claim 1, wherein: and two ends of the ball screw (11) are fixedly provided with limit blocks (28).
7. The failure test fixture of claim 1, wherein: and a fixing clamp (5) is arranged on the second bearing seat (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022565101.7U CN214224759U (en) | 2020-11-09 | 2020-11-09 | Destructive test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022565101.7U CN214224759U (en) | 2020-11-09 | 2020-11-09 | Destructive test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214224759U true CN214224759U (en) | 2021-09-17 |
Family
ID=77696622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022565101.7U Active CN214224759U (en) | 2020-11-09 | 2020-11-09 | Destructive test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214224759U (en) |
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2020
- 2020-11-09 CN CN202022565101.7U patent/CN214224759U/en active Active
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