CN212410012U - Vertical and horizontal vibration testing machine - Google Patents
Vertical and horizontal vibration testing machine Download PDFInfo
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- CN212410012U CN212410012U CN202021757692.1U CN202021757692U CN212410012U CN 212410012 U CN212410012 U CN 212410012U CN 202021757692 U CN202021757692 U CN 202021757692U CN 212410012 U CN212410012 U CN 212410012U
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Abstract
The invention relates to a vibration testing machine, in particular to a vertical and horizontal vibration testing machine which can realize vertical and horizontal vibration on the same vibration table board. The invention comprises the following steps: the control box is connected with the vertical and horizontal vibration testing machine; the vibration exciter assembly is positioned between the base and the vibration table top; the fastening assembly is positioned around the vibration exciter assembly, and the vibration testing machine can simultaneously complete vertical and horizontal vibration tests and can realize better vibration efficiency and accurate vibration frequency.
Description
Technical Field
The invention relates to a vibration testing machine, in particular to a vertical and horizontal vibration testing machine which can realize vertical and horizontal vibration on the same vibration table board by adopting electromagnetic vibration.
Background
The products or packages produced by manufacturers are subjected to vibration tests according to relevant national standards, so that the damage condition of the products or packages in the transportation process is tested, and the vibration resistance condition of the products in the transportation process and the protection capability of outer packages on the products are evaluated.
The vertical and horizontal electromagnetic vibration testing machine used in the current market adopts two table boards, one is used for horizontal vibration and the other is used for vertical vibration. This structure occupies a large space and is complicated to operate, and therefore an integrated electromagnetic vibration testing machine capable of simultaneously combining the vertical and horizontal is required.
Chinese patent CN201821148536.8 discloses an electromagnetic vibration testing machine, in which the vibration testing machine can only complete vibration in the vertical direction, but not in the horizontal direction, and the vibration principle of the vibration testing machine is that the movable iron core is driven by electromagnetic force to impact the vibration device in a periodic motion manner, so as to complete vibration, which makes a lot of useless work and very large loss to the movable iron core, and the vibration efficiency is not high.
Disclosure of Invention
The invention aims to provide a vertical and horizontal vibration testing machine which can simultaneously complete vertical and horizontal vibration tests on the same vibration table surface and can realize better vibration efficiency and accurate vibration frequency due to the adoption of electromagnetic vibration.
In order to solve the above technical problem, the present invention provides a vertical and horizontal vibration testing machine comprising: the control box is connected with the vertical and horizontal vibration testing machine; the vibration exciter assembly is positioned between the base and the vibration table top; lie in the fastening components around the vibration exciter subassembly, its characterized in that: the vibration exciter assembly comprises a first electromagnet, a first magnetic device, a second electromagnet, a second magnetic device and a damping spring, and the vibration table board is made to vibrate under the electromagnetic attraction effect; the first electromagnet, the first magnetic device and the damping spring are fixed below the vibration table board, wherein the first electromagnet and the first magnetic device are closely opposite; the second electromagnet and the second magnetic device are fixed on the side face of the vibration table top, wherein the second electromagnet and the second magnetic device are closely opposite.
In the above technical solution, the magnetic device refers to an object that can be attracted to the electromagnet when the electromagnet is energized and has a magnetic field force to the outside, and generally refers to a substance that can directly or indirectly generate magnetism from transition elements such as iron, cobalt, nickel, and alloys thereof. When the first electromagnet and the first magnetic device are positioned below the vibration table board, mutual exclusion or attraction can be generated between the first magnetic device and the first electromagnet when the electrifying frequency of the first electromagnet is changed through the control box, so that periodic vibration in the vertical direction of the vibration table board is completed. When the vibration is completed through the attraction effect, the electromagnet is electrified, then the magnetic device is attracted with the electromagnet, and the electromagnet is powered off, and the magnetic device is separated from the electromagnet. The damping spring provides elastic restoring force when the vibration table surface vibrates periodically, and the resonance point can be changed according to requirements by further adjusting the compression degree of the damping spring. In a similar way, the second magnetic device is fixed on the damping spring and the damping spring is connected with the vibration table board, so that the damping spring generates elastic deformation in the horizontal direction while the second electromagnet and the second magnetic device perform suction and separation actions, and the vibration table board generates periodic vibration in the horizontal direction.
As a further improvement to the above technical solution, the invention further aims to provide a specific positional relationship, a connection relationship, a combination relationship, and a structural relationship of each component of the vertical and horizontal vibration testing machine, where the specific components include a first electromagnet, a first magnetic device, a second electromagnet, a second magnetic device, a damping spring, a fastening assembly, and a vibration table.
Furthermore, the first magnetic device comprises a threaded shaft which is fixed below the vibration table board in a threaded connection mode and extends towards the bottom of the vibration table board, nuts which can be screwed on the top and bottom threads of the threaded shaft, and a magnetic material which can perform attraction action with the electromagnet, and a first electromagnet is arranged right opposite to the first magnetic device.
Further, the first electromagnet comprises a threaded shaft fixed above the base in a threaded connection mode and extending towards the base, nuts capable of being screwed on top threads and bottom threads of the threaded shaft, and a controllable electromagnet.
Furthermore, the second magnetic device comprises a magnetic material which is fixed on the side surface of the damping spring and can be attracted with the electromagnet, and a second electromagnet is arranged right opposite to the second magnetic device.
Further, the second electromagnet comprises a threaded shaft fixed on the opposite side of the inclined plane reinforcing rib in a threaded connection manner and extending towards the inclined plane reinforcing rib, nuts capable of being screwed on the top and bottom threads of the threaded shaft, and a controllable electromagnet.
Furthermore, the fastening assembly comprises an inclined plane reinforcing rib welded above the base and connected with the second electromagnet in a threaded connection mode, an I-shaped steel fixed on the vibration table top in a threaded connection mode and a damping spring fixed in a welding mode.
Further, the damping spring comprises an upper compression spring and a lower compression spring which are symmetrically compressed by a central threaded shaft, a middle compression plate arranged between the two compression springs, a threaded shaft which is arranged above the upper compression spring in a threaded connection mode and extends towards the upper side or the lower side of the upper compression spring, nuts which can be screwed on the top and the bottom of the threaded shaft, the upper compression plate matched with the threaded shaft, and a lower compression plate which is fixed above the base in a welded mode and connected with the threaded shaft and the lower compression spring.
Further, the middle compression plate is connected with the second magnetic device and the I-shaped steel in a welding mode; and a threaded hole and a threaded shaft matched with the threaded hole are arranged in the middle of the middle compression plate.
Further, the vibration table top is made of aluminum alloy or other metals, and a threaded hole is formed in the top of the vibration table top.
Drawings
The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:
FIG. 1 is a schematic view of a vertical and horizontal vibration testing machine with a control box according to one embodiment of the present invention;
FIG. 2 is a schematic axial view of a vertical and horizontal vibration testing machine according to one embodiment of the present invention;
FIG. 3 is a schematic front view of a vertical and horizontal vibration testing machine in accordance with one embodiment of the present invention;
FIG. 4 is a schematic side view of a vertical and horizontal vibration testing machine according to one embodiment of the present invention;
FIG. 5 is a schematic top view of a vertical and horizontal vibration testing machine according to one embodiment of the present invention;
fig. 6 is a front view schematically illustrating a first exciter assembly including a first electromagnet and a first magnetic device in the vertical and horizontal vibration testing machine according to one embodiment of the present invention;
fig. 7 is a schematic axial side view of a first exciter assembly composed of a first electromagnet and a first magnetic device in a vertical-horizontal vibration testing machine according to one embodiment of the present invention;
fig. 8 is a front view schematically illustrating a second exciter assembly including a second electromagnet and a second magnetic device in the vertical and horizontal vibration testing machine according to one embodiment of the present invention;
fig. 9 is a schematic axial side view of a second exciter assembly comprising a second electromagnet and a second magnetic device in the vertical and horizontal vibration testing machine according to one embodiment of the present invention;
FIG. 10 is a side view of an inclined plane stiffener of a vertical and horizontal vibration testing machine according to an embodiment of the present invention;
in the figure, 1, a vibration exciter assembly, 2, an inclined plane reinforcing rib, 3, a base, 4, a vibration table top, 5, I-shaped steel, 111, a first electromagnet, 112, a first magnetic device, 113, a first nut, 114, a first threaded shaft, 121, a second threaded shaft, 122, a second nut, 123, a second electromagnet, 124, a second magnetic device, 125, an upper compression plate, 126, an upper compression spring, 127, a middle compression plate, 128, a lower compression spring, 129, a lower compression plate, 21, channel steel, 22 and triangular steel.
Detailed Description
The present invention provides a vertical and horizontal vibration testing machine as shown in fig. 1, comprising: a base 3; a vibration table top 4; the control box is connected with the vertical and horizontal vibration testing machine; the vibration exciter assembly 1 is positioned between the base and the vibration table top; the fastening assembly is arranged around the vibration exciter assembly 1, and the vibration testing machine can simultaneously complete vertical and horizontal vibration tests and can realize better vibration efficiency and accurate vibration frequency due to the adoption of electromagnetic vibration.
FIG. 2, FIG. 3, FIG. 4 and FIG. 5 are schematic diagrams of the vertical and horizontal vibration testing machine at various angles; fig. 6 is a front view schematically illustrating a first exciter assembly including a first electromagnet and a first magnetic device in the vertical and horizontal vibration testing machine according to one embodiment of the present invention; fig. 7 is a schematic axial side view of a first exciter assembly composed of a first electromagnet and a first magnetic device in a vertical-horizontal vibration testing machine according to one embodiment of the present invention; fig. 8 is a front view schematically illustrating a second exciter assembly including a second electromagnet and a second magnetic device in the vertical and horizontal vibration testing machine according to one embodiment of the present invention; fig. 9 is a schematic axial side view of a second exciter assembly comprising a second electromagnet and a second magnetic device in the vertical and horizontal vibration testing machine according to one embodiment of the present invention; FIG. 10 is a side view of a vertical and horizontal vibration testing machine inclined plane stiffener according to one embodiment of the present invention.
The nouns and terms involved and the embodiments are explained and explained with reference to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10, as follows: the vibration exciter assembly 1 is a core excitation source for generating vibration, and mainly comprises an electromagnet, a magnetic device, a stabilizing assembly and a damping spring, the vertical and horizontal vibration testing machine in the embodiment comprises two vibration exciter assemblies which are positioned right below the vibration table top 4 and on the side of the vibration table top 4, generally, the two vibration exciter assemblies can attract or repel the magnetic device when the electromagnet is electrified to generate magnetic force, and the magnetic device generates regular or irregular vibration motion under the coordination of the damping spring so as to drive the vibration table top to move, so that the vibration test is completed; the fastening assembly is a key assembly for stabilizing the vibration frequency and the vibration amplitude of the vibration exciter assembly 1, in the embodiment, the fastening assembly comprises the I-steel 5 and the inclined reinforcing rib 2, the I-steel 5 is matched with the vibration exciter assembly positioned right below the vibration table top 4 according to the actual situation, and the inclined reinforcing rib 2 is matched with the vibration exciter assembly positioned on the side surface of the vibration table top 4; the magnetic device refers to an object which can complete attraction with the electromagnet under the condition that the electromagnet is electrified and has magnetic field force to the outside, and generally refers to a substance which can directly or indirectly generate magnetism by transition elements such as iron, cobalt, nickel and alloys thereof.
The embodiment is connected with the vertical and horizontal vibration testing machine main body through an upper computer system or other control systems, and the relevant parameters are set in the control system to change the electrifying frequency of the electromagnet, so that the vibration frequency of the vibration testing machine is changed.
The base 3 in this embodiment is formed by welding channel steel and steel plates, the vibration table 4, a vibration exciter assembly and a fastening assembly located around the vibration exciter assembly are arranged above the base 3, two inclined reinforcing ribs 2 are symmetrically arranged on one side above the base 3, the inclined reinforcing ribs 2 can be arranged in any number and positions as required, and in this embodiment, the inclined reinforcing ribs 2 include two welded channel steel 21 and three welded triangular steel 22; the inclined plane reinforcing rib 2 is connected with the inclined plane reinforcing rib 2 through a second threaded shaft 121 which is provided with the second electromagnet 123 in a threaded connection mode and extends towards the inclined plane reinforcing rib 2, and a second nut 122 which can be screwed on the top and bottom threads of the second threaded shaft 121, so that the position relation of the second electromagnet 123 on the second threaded shaft 121 can be changed in a mode of twisting the second nut 122 in the process of debugging and calibrating the actual vibration frequency, and the distance between the second electromagnet 123 and the second magnetic device 124 is changed; the second magnetic device 124 is fixed to the intermediate compression plate 127 by welding, the intermediate compression plate 127 is fixed to the i-beam 5 by welding, and the intermediate compression plate 127 is connected with the second magnetic device 124 and the i-beam 5 by welding; a threaded hole and a second threaded shaft 121 matched with the threaded hole are arranged in the middle of the middle compression plate 127, and the second threaded shaft 121 can be used for fixing an upper compression spring 126 and a lower compression spring 128; the upper compression spring 126 for shock absorption is provided above the middle compression plate 127, and the lower compression spring 128 for shock absorption is provided below; a threaded shaft threadedly disposed above the upper compression spring 126 and extending above or below the upper compression spring 126, nuts screwed on top and bottom threads of the threaded shaft and the upper compression plate 125 matching therewith, and a lower compression plate 129 fixed above the base 3 in a welded manner and connected to the threaded shaft and the lower compression spring 128; the two I-shaped steels 5 are arranged below the vibration table top 4 in a welding mode; the first electromagnet 111 is arranged below the vibration table top 4 and comprises a threaded shaft which is fixed above the base 3 in a threaded connection mode and extends towards the base 3, and nuts and controllable electromagnets which can be screwed on the top and bottom threads of the threaded shaft; the vibration table top 4 is made of aluminum alloy, a threaded hole is formed in the top of the vibration table top, and articles for testing can be fixed on the threaded hole in a threaded connection mode in a vibration test to prevent falling off.
It should be understood that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and those skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent substitutions for some technical features; and all such modifications and alterations are intended to fall within the scope of the appended claims.
Claims (9)
1. A vertical horizontal vibration testing machine comprising: the control box is connected with the vertical and horizontal vibration testing machine; the vibration exciter assembly (1) is positioned between the base (3) and the vibration table top (4); fastening assembly located vibration exciter subassembly (1) is around, its characterized in that: the vibration exciter assembly comprises a first electromagnet (111), a first magnetic device (112), a second electromagnet (123), a second magnetic device (124) and a damping spring, and the vibration table top (4) is vibrated under the electromagnetic attraction effect; the first electromagnet (111), the first magnetic device (112) and the damping spring are fixed below the vibration table top (4), wherein the first electromagnet (111) is closely opposite to the first magnetic device (112); the second electromagnet (123) and the second magnetic device (124) are fixed on the side face of the vibration table top (4), wherein the second electromagnet (123) and the second magnetic device (124) are closely opposite.
2. A vertical and horizontal vibration testing machine according to claim 1, wherein: the first magnetic device (112) comprises a first threaded shaft (114) which is fixed below the vibration table top (4) in a threaded connection mode and extends towards the bottom or the top of the vibration table top (4), a first nut (113) which can be screwed on the top and the bottom threads of the first threaded shaft (114) and a magnetic material which can generate attraction action with an electromagnet, and a first electromagnet (111) is arranged right opposite to the first magnetic device (112).
3. A vertical and horizontal vibration testing machine according to claim 2, wherein: the first electromagnet (111) comprises a first threaded shaft (114) fixed above the base (3) in a threaded connection and extending towards the base (3), and a first nut (113) and a controllable electromagnet which can be screwed on the top and bottom threads of the first threaded shaft (114).
4. A vertical and horizontal vibration testing machine according to claim 1, wherein: the second magnetic device (124) comprises a magnetic material which is fixed on the side surface of the damping spring and can be attracted with an electromagnet, and a second electromagnet (123) is arranged right opposite to the second magnetic device (124).
5. The vertical and horizontal vibration testing machine according to claim 4, wherein: the second electromagnet (123) comprises a second threaded shaft (121) which is fixed on the opposite side of the inclined plane reinforcing rib (2) in a threaded connection mode and extends towards the inclined plane reinforcing rib (2), a second nut (122) which can be screwed on the top and bottom threads of the second threaded shaft (121), and a controllable electromagnet.
6. A vertical and horizontal vibration testing machine according to claim 1 or 5, wherein: the fastening assembly is welded above the base (3) in the form of an inclined plane reinforcing rib (2), connected with the second electromagnet (123) in a threaded connection mode, fixed on the vibration table top (4) in the form of an I-shaped steel (5) in the threaded connection mode and fixed on the damping spring in the welding mode.
7. A vertical and horizontal vibration testing machine according to any one of claims 1 to 6, wherein: the damping spring comprises an upper compression spring (126) and a lower compression spring (128) which are symmetrically compressed by a central threaded shaft, a middle compression plate (127) arranged between the two compression springs, a second threaded shaft (121) which is arranged above the upper compression spring (126) in a threaded connection manner and extends towards the upper side or the lower side of the upper compression spring (126), a second nut (122) which can be screwed on the top thread and the bottom thread of the second threaded shaft (121) and an upper compression plate (125) matched with the second threaded shaft, and a lower compression plate (129) which is fixed above a base (3) in a welded manner and is connected with the second threaded shaft (121) and the lower compression spring (128).
8. The vertical-horizontal vibration testing machine according to claim 7, wherein: the middle compression plate (127) is connected with the second magnetic device (124) and the I-shaped steel (5) in a welded mode; the middle of the middle compression plate (127) is provided with a threaded hole and a second threaded shaft (121) matched with the threaded hole.
9. A vertical and horizontal vibration testing machine according to claim 1, wherein: the vibration table top (4) is made of aluminum alloy, and a threaded hole is formed in the top of the vibration table top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021757692.1U CN212410012U (en) | 2020-08-21 | 2020-08-21 | Vertical and horizontal vibration testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021757692.1U CN212410012U (en) | 2020-08-21 | 2020-08-21 | Vertical and horizontal vibration testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212410012U true CN212410012U (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021757692.1U Active CN212410012U (en) | 2020-08-21 | 2020-08-21 | Vertical and horizontal vibration testing machine |
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|---|---|
| CN (1) | CN212410012U (en) |
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- 2020-08-21 CN CN202021757692.1U patent/CN212410012U/en active Active
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