CN211179367U - Drop hammer type impact testing machine - Google Patents
Drop hammer type impact testing machine Download PDFInfo
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- CN211179367U CN211179367U CN201922440614.2U CN201922440614U CN211179367U CN 211179367 U CN211179367 U CN 211179367U CN 201922440614 U CN201922440614 U CN 201922440614U CN 211179367 U CN211179367 U CN 211179367U
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- drop hammer
- fixedly connected
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- sliding table
- electric sliding
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Abstract
The utility model discloses a drop hammer impact tester, include: a base; the rack is fixedly connected with the base and is vertical to the base; the first electric sliding table is fixedly connected with the rack, and a sliding block of the first electric sliding table moves along the X direction; the supporting plate is fixedly connected with the sliding block of the first electric sliding table, and a drop hammer positioning groove is formed in the bottom surface of the supporting plate; the electromagnet is fixedly connected to the top surface of the supporting plate; and the drop hammer is positioned in the drop hammer positioning groove. Compared with the prior art, the utility model, improve and detect the precision.
Description
Technical Field
The utility model relates to an engineering detects technical field, especially relates to a hammer impact tester falls.
Background
Impact collision is a common mechanical phenomenon in daily life and engineering application, experimental simulation of the impact collision is an effective research means, a drop hammer impact tester is important experimental equipment, and the basic principle of the drop hammer impact tester is that impact loading is realized on a test piece by utilizing the speed of free falling bodies, so that the response of materials and structures under the action of impact load is researched.
Prior art 1 (CN 202403989U) discloses a mechanical baffle type secondary impact capturing and restoring impact resistance testing machine for plastic pipes, which comprises a vertical frame, a vertical slide rod mounted on the vertical frame, a conical hook baffle fixed on the vertical slide rod, a drop hammer lifting mechanism, a drop hammer sleeved on the drop hammer lifting mechanism, a base lifting device and a secondary impact preventing device. During the experiment, the drop hammer is lifted to a preset height through the drop hammer lifting mechanism, and then the drop hammer is loosened through the drop hammer loosening mechanism, so that the drop hammer freely falls under the action of gravity to perform impact test on a test piece.
The disadvantages are as follows: rigid friction occurs at the joint of the drop hammer and the guide rail, so that the drop hammer shakes in the dropping process to influence the detection result.
Disclosure of Invention
To the defect among the prior art, the utility model provides a drop hammer impact tester improves and detects the precision.
A drop hammer impact tester comprising:
A base;
The rack is fixedly connected with the base and is vertical to the base;
The first electric sliding table is fixedly connected with the rack, and a sliding block of the first electric sliding table moves along the X direction;
The supporting plate is fixedly connected with the sliding block of the first electric sliding table, and a drop hammer positioning groove is formed in the bottom surface of the supporting plate;
The electromagnet is fixedly connected to the top surface of the supporting plate;
The drop hammer is positioned in the drop hammer positioning groove;
The iron block is fixedly connected to the top of the drop hammer, and the iron block and the electromagnet are mutually attracted;
And the workpiece positioning piece is fixedly connected with the base.
Preferably, the laser drop hammer further comprises a laser indicator light, a groove is formed in the bottom of the drop hammer, and the laser indicator light is fixed in the groove.
Preferably, the electric sliding table further comprises a second electric sliding table, a sliding rail and a moving block, the second electric sliding table is fixedly connected with the rack, a sliding block of the second electric sliding table moves along the Z direction, the sliding rail is matched with the moving block to form a sliding pair, the sliding rail is fixedly connected with the rack, the moving block moves along the Z direction, the sliding block of the second electric sliding table is fixedly connected with the first electric sliding table, and the moving block is fixedly connected with the first electric sliding table.
Preferably, the vacuum box is further included, and the machine frame and the base are both located in the vacuum box.
The beneficial effects of the utility model are embodied in: during the experiment, the electro-magnet circular telegram will drop the hammer attraction and fix in the hammer constant head tank that falls, and it is fixed to put into instrument setting element with the test piece, and the electro-magnet outage does not have the appeal down, and the hammer that falls carries out impact test to the test piece because gravity action free fall, compares with prior art, and the hammer that falls can not contact with other parts at the in-process that falls down, avoids the hammer that falls to cause and rocks, and then reduces the impact test's of falling the hammer influence. Furthermore, the electromagnet is electrified to fix the falling hammer in the falling hammer positioning groove in a suction manner, namely, the falling path of the falling hammer is oriented, meanwhile, the attraction of the electromagnet is unidirectional, and the attraction is lost instantly when the power is cut off, so that the falling hammer is not deviated in the falling process due to external force, the accuracy of hitting a test piece by the falling hammer impact is improved, meanwhile, the gravity acceleration of the falling hammer is not influenced by the external force, and the test precision is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic overall structure diagram of a first embodiment of the present invention;
Fig. 2 is a schematic overall structure diagram of a second embodiment of the present invention;
Fig. 3 is a cross-sectional view of the drop hammer of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
As shown in fig. 1, is a first embodiment of the present invention:
A drop hammer impact tester comprising: a base 1; the frame 2 is fixedly connected with the base 1, and the frame 2 is perpendicular to the base 1; the first electric sliding table 3 is fixedly connected with the rack 2, and a sliding block of the first electric sliding table 3 moves along the X direction; the supporting plate 4 is fixedly connected with the sliding block 31 of the first electric sliding table 3, and a drop hammer positioning groove is formed in the bottom surface of the supporting plate 4; the electromagnet 5 is fixedly connected to the top surface of the supporting plate 4; the drop hammer 6 is positioned in the drop hammer positioning groove; the iron block 7 is fixedly connected to the top of the drop hammer 6, and the iron block 7 and the electromagnet 5 are mutually attracted; and the workpiece positioning part 8 is fixedly connected with the base 1, and the workpiece positioning part 8 can be a vice.
The utility model discloses a theory of operation is: during the experiment, 5 circular telegrams of electro-magnet are circular telegrams and are fixed the drop hammer 6 attraction in the drop hammer constant head tank, and it is fixed to put into instrument setting element 8 with test piece 10, and 5 outage of electro-magnet do not have the appeal down, and drop hammer 6 carries out impact test to test piece 10 because the gravity action free falling body, compares with prior art, and drop hammer 6 can not contact with other parts at the in-process that falls down, avoids the drop hammer to cause and rocks, and then reduces the impact test's of drop hammer influence. Furthermore, the electromagnet 5 is electrified to attract and fix the drop hammer 6 in the drop hammer positioning groove, namely, the falling path of the drop hammer 6 is oriented, meanwhile, the attraction force of the electromagnet 4 is one-way and loses the attraction force instantly when the power is cut off, so that the drop hammer can not deviate in the falling process due to external force, the accuracy of hitting a test piece by the impact of the drop hammer is improved, the gravity acceleration of the drop hammer can not be influenced by the external force, and the test precision is improved.
As shown in fig. 3, the device further comprises a laser indicator lamp 9, a groove 61 is formed in the bottom of the drop hammer 6, and the laser indicator lamp 9 is fixed in the groove 61. Through the laser pilot lamp, can foresee the position that the drop hammer falls, when will testing certain position of test piece, through the red point of laser pilot lamp ejection laser, according to the red position of point of laser, through the position of first electronic slip table adjustment drop hammer X to, make the drop hammer aim at the corresponding position of test piece, aim at the convenience.
As shown in fig. 2, the second embodiment of the present invention is different from the first embodiment in that:
Still include electronic slip table 11 of second, slide rail 12 and move piece 13, electronic slip table 11 of second with 2 fixed connection in the frame, the slider of electronic slip table 11 of second is along Z to removing, slide rail 12 with it is vice to move 13 cooperation constitution slides, slide rail 12 with 2 fixed connection in the frame, move piece 12 along Z to removing, electronic slip table 11 of second the slider with 3 fixed connection of first electronic slip table, move piece 13 with 3 fixed connection of first electronic slip table. Through above-mentioned structure, can adjust the drop hammer height, it is convenient to adjust.
A vacuum box (not shown) is also included, in which the frame and the base are both located. Thus, the test is performed in a vacuum environment, and the test precision is provided.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (4)
1. A drop hammer type impact tester is characterized by comprising:
A base;
The rack is fixedly connected with the base and is vertical to the base;
The first electric sliding table is fixedly connected with the rack, and a sliding block of the first electric sliding table moves along the X direction;
The supporting plate is fixedly connected with the sliding block of the first electric sliding table, and a drop hammer positioning groove is formed in the bottom surface of the supporting plate;
The electromagnet is fixedly connected to the top surface of the supporting plate;
The drop hammer is positioned in the drop hammer positioning groove;
The iron block is fixedly connected to the top of the drop hammer, and the iron block and the electromagnet are mutually attracted;
And the workpiece positioning piece is fixedly connected with the base.
2. The drop hammer impact tester according to claim 1, wherein: still include laser indicator, the bottom of drop hammer is equipped with the recess, laser indicator fixes in the recess.
3. The drop hammer impact tester according to claim 1, wherein: the sliding rail is matched with the moving block to form a sliding pair, the sliding rail is fixedly connected with the rack, the moving block moves along the Z direction, the sliding block of the second electric sliding table is fixedly connected with the first electric sliding table, and the moving block is fixedly connected with the first electric sliding table.
4. A drop hammer type impact tester according to any one of claims 1 to 3, wherein: the frame and the base are both located in the vacuum box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922440614.2U CN211179367U (en) | 2019-12-30 | 2019-12-30 | Drop hammer type impact testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922440614.2U CN211179367U (en) | 2019-12-30 | 2019-12-30 | Drop hammer type impact testing machine |
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| Publication Number | Publication Date |
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| CN211179367U true CN211179367U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922440614.2U Active CN211179367U (en) | 2019-12-30 | 2019-12-30 | Drop hammer type impact testing machine |
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| CN (1) | CN211179367U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115127936A (en) * | 2022-08-25 | 2022-09-30 | 国家不锈钢制品质量监督检验中心（兴化） | Impact testing machine for mechanical property detection of stainless steel product |
-
2019
- 2019-12-30 CN CN201922440614.2U patent/CN211179367U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115127936A (en) * | 2022-08-25 | 2022-09-30 | 国家不锈钢制品质量监督检验中心（兴化） | Impact testing machine for mechanical property detection of stainless steel product |
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