CN218725145U

CN218725145U - Angular vibration table

Info

Publication number: CN218725145U
Application number: CN202222932218.3U
Authority: CN
Inventors: 肖剑峰; 黄河清
Original assignee: Hunan Kezhong Xiongdi Technology Co ltd
Current assignee: Hunan Kezhong Xiongdi Technology Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-03-24
Anticipated expiration: 2032-11-03

Abstract

The utility model belongs to the technical field of angular vibration test equipment, specifically relate to an angular vibration platform, include: the linear vibration table comprises a table body, one end, far away from the linear vibration table, of the connecting rod is rotatably connected with the table body, the output end of the linear vibration table linearly reciprocates to drive the table body to vibrate in an angle mode through the connecting rod, the connecting rod is rotatably arranged in the linear motion direction of the linear vibration table, the other end of the connecting rod is rotatably arranged at the circumferential edge position of the table body of the angular vibration table, a structure similar to a crank is formed, the linear vibration table drives the angular vibration table to vibrate in an angle mode when linearly vibrates in a reciprocating mode, the angular vibration table and the linear vibration table vibrate in the same frequency mode, the output frequency of the linear vibration table can far exceed 150Hz, the angular vibration frequency can exceed 150Hz, and the requirements of more users are met.

Description

Angular vibration table

Technical Field

The utility model belongs to the technical field of angular vibration test equipment, specifically relate to an angular vibration platform.

Background

The angular vibration table used in the fields of the three-self-inertia unit and the like is equipment for checking whether the angular rigidity of a product of the three-self-inertia unit meets the requirements of users or not, and can also be applied to other occasions needing reciprocating angular motion.

The angular vibration table is directly driven by a motor or driven by the angular vibration table after being decelerated, angular vibration within 150Hz can be realized generally only under the limitation of low forward and reverse reversing frequency of the motor, angular vibration tests with higher frequency cannot be carried out, judgment of users on high-frequency angular rigidity of products such as a three-self inertial unit and the like is influenced, and higher requirements of users cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model provides an angular vibration platform, output angular frequency is high, can satisfy the angular vibration test of high-frequency.

Based on above-mentioned purpose the utility model provides a pair of angular vibration platform, include: the angle vibration workbench comprises a workbench body, one end of the connecting rod, far away from the linear vibration workbench, is rotatably connected with the workbench body, and the output end of the linear vibration workbench linearly reciprocates to drive the workbench body to vibrate angularly through the connecting rod.

Optionally, the angular vibration table further comprises: the rotary table comprises a main shaft, a table frame and a bottom table, wherein the main shaft is rotatably connected with the table body, the table frame is rigidly connected with the main shaft, the bottom table is used for fixing the table frame, a plurality of screw rods are arranged on the table frame in a penetrating mode, the screw rods are fastened with steps through adjusting nuts, and the bottom ends of the screw rods are rigidly connected with the bottom table.

Optionally, a plurality of first bearings are sleeved on the main shaft, inner rings of the first bearings are rigidly connected with the main shaft, and outer rings of the first bearings are rigidly connected with the table body.

Optionally, a circular grating is sleeved on the spindle and used for measuring the angular frequency of the stage body.

Optionally, a fixed plate is rigidly connected to the table top of the linear vibration table, an end of the fixed plate is rotatably connected to the connecting rod, and one end of the connecting rod, which is far away from the fixed plate, is rotatably connected to one side of the table top.

Optionally, the horizontal height of the fixing plate is consistent with the horizontal height of the table body.

Optionally, a mounting hole is formed in one side of the top of the table body, a second bearing is arranged in the mounting hole, an inner ring of the second bearing is rigidly connected with the connecting rod, and an outer ring of the second bearing is rigidly connected with the table body.

Optionally, a bracket is connected to one side of the angular vibration table for placing a connecting rod.

The utility model has the advantages that: the utility model provides an angular vibration platform, through rotating on the linear motion direction at the linear vibration platform and setting up the connecting rod, the other end of connecting rod rotates the circumference border position that sets up the stage body at the angular vibration workstation, form and be similar to articulate structure, the linear vibration platform is in sharp reciprocating vibration, drive angular vibration workstation angular vibration, because the existence of connecting rod can be more smooth and easy turn into angular vibration workstation angular vibration to the sharp reciprocating vibration of linear vibration platform, and enable angular vibration workstation and linear vibration platform and vibrate with same frequency, the output frequency of linear vibration platform can be far away and exceed 150Hz usually, thereby realize that angular vibration frequency surpasses 150Hz, surpass current general angular vibration platform, satisfy more users' demand, and low in manufacturing cost, easily realize.

Drawings

Fig. 1 is a schematic top view of an angular vibration table according to an embodiment of the present invention;

FIG. 2 isbase:Sub>A cross-sectional view A-A of FIG. 1;

fig. 3 is a front view of an angular vibration table according to an embodiment of the present invention.

In the figure: 10. a linear vibration table; 101. a fixing plate; 20. an angular vibration table; 201. a table body; 202. a main shaft; 203. a rack; 204. a base table; 205. a screw; 206. adjusting the nut; 207. a first bearing; 208. a circular grating; 209. a second bearing; 30. a connecting rod; 40. a bracket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1-3, the utility model provides an angular vibration table, including: the linear vibration table comprises a linear vibration table 10, an angular vibration working table 20 and a connecting rod 30, wherein the output end of the linear vibration table 10 is rotatably connected with the end part of the connecting rod 30, the angular vibration working table 20 comprises a table body 201, one end, far away from the linear vibration table 10, of the connecting rod 30 is rotatably connected with the table body 201, and the output end of the linear vibration table 10 linearly reciprocates to drive the table body 201 to angularly vibrate through the connecting rod 30.

Compared with the prior art, the embodiment of the utility model provides an angular vibration platform, through rotating in the linear motion direction at rectilinear vibration platform 10 and set up connecting rod 30, connecting rod 30's the other end rotates the circumference border position that sets up the stage body 201 at angular vibration workstation 20, form and be similar to articulate structure, rectilinear vibration platform 10 is in the reciprocal vibration of straight line, drive angular vibration workstation 20 angular vibration, because connecting rod 30's existence can be more smooth and easy turn into angular vibration workstation 20 angular vibration to rectilinear vibration workstation 10's the reciprocal vibration of straight line, and enable angular vibration workstation 20 and rectilinear vibration platform 10 same frequency vibration, the output frequency of rectilinear vibration platform 10 can far away super 150Hz usually, thereby realize that angular vibration frequency exceeds 150Hz, exceed current general angular vibration platform, satisfy more users's demand, and low in manufacturing cost, easily realize.

In this embodiment, referring to fig. 2, the angular vibration table 20 further includes: the table comprises a main shaft 202, a rack 203 and a bottom table 204, wherein the main shaft 202 is rotatably connected with the table body 201, the rack 203 is rigidly connected with the main shaft 202, the bottom table 204 is used for fixing the rack 203, a plurality of screw rods 205 penetrate through the rack 203, the screw rods 205 are fastened with the rack (203) through adjusting nuts 206, and the bottom ends of the screw rods 205 are rigidly connected with the bottom table 204, wherein the table body 201 can be composed of a table top and a structure similar to a cylinder body positioned at the bottom of the table top, the cylinder body is rotatably connected with the main shaft 202, the height of the table body 201 can be adjusted by adjusting the positions of the adjusting nuts 206 on the screw rods 205 to match the height of the linear vibration table 10, and the table body 201 and the rack 203 can be lifted to a specified height through external jacking equipment such as hydraulic cylinders and jacks when necessary, so that the matching speed of the height of the table body 201 can be accelerated and the assembly time can be shortened; wherein 4 or 8 screws 205 distributed in a rectangular array are arranged on the gantry 203.

Specifically, the main shaft 202 is sleeved with a plurality of first bearings 207, inner rings of the first bearings 207 are rigidly connected with the main shaft 202, and the inner rings of the first bearings 207 are usually in interference fit with the main shaft 202 and sometimes can be fixed by screws; the outer ring of the bearing I207 is rigidly connected with the table body 201, the outer ring of the bearing I207 and the table body 201 can adopt an interference fit mode or a screw fixing mode, and the latter can also play a role in limiting the axial movement of the table body 201 and the bearing I207; preferably, the main shaft 202 is sleeved with two bearings one 207, and the two bearings one 207 are separated by using a shaft shoulder of the main shaft 202 or using a retainer ring. The first bearing 207 may be mounted face-to-face or back-to-back.

In this embodiment, the circular grating 208 is sleeved on the main shaft 202 for measuring the angular frequency of the stage body 201, the specific installation manner is the prior art, and not described too much, when in use, the linear motion of the linear vibration table 10 is converted into the angular motion of the angular vibration table 20, the actual output angular frequency of the angular vibration table 20 can be accurately obtained through the circular grating 208, and then the linear output frequency of the linear vibration table 10 is adjusted until the output frequency of the angular vibration table 20 meets the experimental conditions, the output frequency of the linear vibration table 10 can be far beyond 150Hz, and therefore the output angular frequency of the angular vibration table 20 can also be far beyond 150Hz.

Wherein, the mesa rigid connection of rectilinear vibration platform 10 has fixed plate 101, the tip of fixed plate 101 rotates with connecting rod 30 to be connected, the one end that connecting rod 30 kept away from fixed plate 101 rotates with stage body 201 top one side to be connected, specifically, fixed plate 101 passes through a plurality of fix with rectilinear vibration platform 10's mesa, the true rectilinear motion of conduction rectilinear vibration platform 10 of fixed plate 101, then drive angular vibration workstation 20 operation through connecting rod 30, the angular vibration frequency of angular vibration workstation 20 is unanimous with rectilinear vibration platform 10 rectilinear vibration frequency, the length of connecting rod 30 will guarantee that rectilinear vibration platform 10 can not take place to interfere with angular vibration workstation 20.

In order to reduce the torsional moment between the linear vibration table 10 and the angular vibration table 20, the horizontal height of the fixing plate 101 is identical to the horizontal height of the table body 201, so that the angular vibration table 20 can operate more stably.

In a specific embodiment, a mounting hole is formed in one side of the top of the stage body 201, a second bearing 209 is arranged in the mounting hole, so that the stage body 201 is rigidly connected with an outer ring of the second bearing 209, an inner ring of the second bearing 209 is rigidly connected with the connecting rod 30, and the second bearing 209 can be mounted back to back or face to face. Meanwhile, the fixing plate 101 and the connecting rod 30 also adopt the above-mentioned connection structure, so that both ends of the connecting rod 30 can flexibly rotate.

In addition, one side of the angular vibration table 20 is connected with a bracket 40 for placing the fixing plate 101, the fixing plate 101 and the mounting screw of the linear vibration table 10 are disassembled, and then the fixing plate 101 is mounted on the bracket 40, so that the linear vibration function of the linear vibration table 10 can be completely recovered, and the fixing plate 101 and the angular vibration table 20 can be together, so that the fixing plate is not easy to lose and is easy to find when in use.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to imply that the scope of the application is limited to these examples; features from the above embodiments or different embodiments may also be combined within the context of the present application, the steps may be implemented in any order, and there are many other variations of the different aspects of one or more embodiments in the present application described above which are not provided in detail for the sake of brevity.

It is intended that the one or more embodiments of the present application cover all such alternatives, modifications, and variations as fall within the broad scope of the present application. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit or scope of one or more embodiments of the present application are intended to be included within the scope of the present application.

Claims

1. An angular vibration table, comprising: linear vibration platform (10), angular vibration workstation (20) and connecting rod (30), the output and connecting rod (30) tip of linear vibration platform (10) rotate to be connected, angular vibration workstation (20) are including stage body (201), the one end and the stage body (201) of connecting rod (30) keeping away from linear vibration platform (10) rotate to be connected, the output straight line reciprocating motion of linear vibration platform (10) drives stage body (201) angular vibration through connecting rod (30).

2. An angular vibration table according to claim 1, wherein said angular vibration table (20) further comprises: the rotary table comprises a main shaft (202) rotatably connected with a table body (201), a table frame (203) rigidly connected with the main shaft (202) and a bottom table (204) used for fixing the table frame (203), wherein a plurality of screw rods (205) penetrate through the table frame (203), the screw rods (205) are fastened with the table frame (203) through adjusting nuts (206), and the bottom ends of the screw rods (205) are rigidly connected with the bottom table (204).

3. The angular vibration table according to claim 2, wherein a plurality of first bearings (207) are sleeved on the main shaft (202), inner rings of the first bearings (207) are rigidly connected with the main shaft (202), and outer rings of the first bearings (207) are rigidly connected with the table body (201).

4. An angular vibration table according to claim 3, characterized in that the spindle (202) is provided with a circular grating (208) for measuring the angular frequency of the table body (201).

5. The angular vibration table according to claim 1, wherein the table top of the linear vibration table (10) is rigidly connected with a fixed plate (101), the end of the fixed plate (101) is rotatably connected with a connecting rod (30), and the end of the connecting rod (30) far away from the fixed plate (101) is rotatably connected with one side of the top of the table body (201).

6. An angular vibration table according to claim 5, characterized in that the level of the fixed plate (101) coincides with the level of the table body (201).

7. The angular vibration table according to any one of claims 1 to 6, wherein a mounting hole is formed in one side of the top of the table body (201), a second bearing (209) is arranged in the mounting hole, an inner ring of the second bearing (209) is rigidly connected with the connecting rod (30), and an outer ring of the second bearing (209) is rigidly connected with the table body (201).

8. An angular vibration table according to any of claims 1 to 6, wherein a bracket (40) is attached to one side of the table (20) for receiving a connecting rod (30).