Cantilever type double-shaft test turntable structure

Abstract

The utility model relates to the technical field of double-shaft test rotary tables, in particular to a cantilever type double-shaft test rotary table structure which comprises a base, a supporting frame is arranged at the top of the base, a protection assembly used for cleaning and lubricating a shaft body is arranged in the supporting frame, and the protection assembly comprises grooves formed in the two sides of the supporting frame. A fixing shaft is arranged at the bottom of the supporting frame, an injection hole is formed in the top of the fixing shaft, an annular groove is formed in the fixing shaft, a plurality of inclined holes are formed in the outer wall of the annular groove, an extension groove is formed below the injection hole, a cavity is formed in the extension groove, and a storage tank is arranged in the cavity. The top of the storage tank is provided with nozzles. When the rotary table rotates, air flow is absorbed and guided through the air holes, impurities and dust around the shaft body can be cleaned, the rotating environment of the shaft body is guaranteed, and lubricating agents can be brought out through the air flow to lubricate and maintain the shaft body.

Description

Technical Field

[0001] The utility model relates to the technical field of double-axis test turntables, in particular to a cantilever double-axis test turntable structure. Background Art

[0002] The biaxial test turntable, also known as the cantilever biaxial test platform, is a laboratory equipment mainly used for dynamic performance testing and calibration of various types of sensors, actuators, detectors and instruments.

[0003] However, in the current prior art, the shafts of some dual-axis turntables are exposed to the outside during use, and the gaps at the connection with the support frame are set larger to reduce damping, so that dust will enter the shafts during placement, causing pollution or corrosion to the shafts, resulting in obstruction of the shaft rotation and reduced smoothness of rotation. Utility Model Content

[0004] The utility model aims to provide a cantilever dual-axis test turntable structure to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A cantilevered dual-axis test turntable structure comprises a base, a support frame is arranged on the top of the base, a protective component for cleaning and lubricating the shaft body is arranged inside the support frame, the protective component comprises grooves arranged on both sides of the support frame, a plurality of air holes are arranged on the outer wall of the groove, a conveying groove is arranged at the other end of the air hole, a fixed shaft is arranged at the bottom of the support frame, an injection hole is arranged on the top of the fixed shaft, an annular groove is arranged inside the fixed shaft, a plurality of inclined holes are arranged on the outer wall of the annular groove, an extension groove is arranged below the injection hole, a cavity is arranged in the extension groove, a storage tank is arranged inside the cavity, and a nozzle is arranged on the top of the storage tank.

[0007] As a preferred solution of the utility model, the support frame is coaxially connected to the fixed shaft, the fixed shaft is embedded in the base and rotatably connected to the base through a bearing, an inner frame is also provided inside the support frame, and the inner frame is rotatably connected to the inner wall of the support frame through a bearing.

[0008] As a preferred solution of the utility model, the groove is an embedded arc structure, the multiple air holes are all arc structures, and one end is connected to the conveying groove, and the other end of the conveying groove extends to the bottom of the support frame and corresponds to the injection hole above the fixed shaft.

[0009] As a preferred solution of the utility model, one end of the injection hole is connected to the annular groove, and the other end is connected to the extension groove. Control valves are provided on the channels between the injection hole and the annular groove and the extension groove. The control valves at corresponding positions are operated according to different needs to switch between cleaning and maintenance.

[0010] As a preferred solution of the utility model, the plurality of inclined holes are all communicated with the annular groove, so that the airflow in the annular groove can be obliquely injected into the gap between the shaft body and the base.

[0011] As a preferred solution of the utility model, the storage tank is located in the cavity, and the storage tank is filled with shaft lubricant. The output end of the storage tank is connected to the nozzle, and the nozzle extends into the extension groove and has a hollow structure to facilitate airflow.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: in response to the problems raised in the background technology, the present application adopts a protective component, through the arc-shaped groove on the outside of the support frame, the air flow can enter the groove during rotation, and be injected into the conveying groove through the wind hole, and the conveying groove is used to guide the air flow to the fixed shaft and spray it out from multiple inclined holes. The impurities near the fixed shaft can be blown up and cleaned by the sprayed air flow, preventing impurities from accumulating near the fixed shaft and causing an impact during rotation. After the impurities are cleaned, the air flow can be guided to the extension groove by controlling the valve to open the tank, and at the same time, the lubricant in the storage tank is controlled to be sprayed out from the nozzle, and the lubricant is brought out by the air flow and flows to the connection between the fixed shaft and the bearing, thereby lubricating the shaft body.

[0013] The utility model can absorb and guide the airflow through the air holes when the turntable rotates, so as to clean the impurities and dust around the shaft body, ensure the rotation environment of the shaft body, and bring out the lubricant through the airflow to lubricate and maintain the shaft body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0015] Figure 2 This is the internal structure diagram of the conveying trough of the utility model;

[0016] Figure 3 This is a distribution diagram of the conveying trough of the utility model in the support frame;

[0017] Figure 4 This is a top sectional view of the fixed shaft of the utility model;

[0018] Figure 5 It is a side sectional view of the fixed shaft of the utility model.

[0019] In the figure: 1, base; 2, support frame; 201, groove; 202, air hole; 3, conveying groove; 4, fixed axis; 5, injection hole; 6, annular groove; 601, inclined hole; 7, extension groove; 701, cavity; 8, storage tank; 801, nozzle. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the embodiments of the present invention.

[0021] Example

[0022] See also Figure 1-5 The utility model provides a technical solution: a cantilever dual-axis test turntable structure, including a base 1, a support frame 2 is arranged on the top of the base 1, and a protective component for cleaning and lubricating the shaft body is arranged inside the support frame 2, and the protective component includes grooves 201 arranged on both sides of the support frame 2, which are used to absorb the airflow when the support frame 2 rotates, and the outer wall of the groove 201 is provided with a plurality of wind holes 202, through which the airflow in the groove 201 can be guided to the conveying groove 3, and the other end of the wind hole 202 is provided with a conveying groove 3, which is used to guide the flow direction of the airflow introduced during rotation and guide it to the fixed shaft 4, the bottom of the support frame 2 is provided with a fixed shaft 4, the top of the fixed shaft 4 is provided with an injection hole 5, and the fixed shaft 4 is provided with an annular groove 6. After the airflow enters the fixed shaft 4, it is opened The valves of the injection hole 5 and the annular groove 6 allow the airflow to enter the annular groove 6 and be blown out through multiple inclined holes 601. The outer wall of the annular groove 6 is provided with multiple inclined holes 601. The inclined holes 601 are an upwardly inclined structure for blowing the airflow upward in a spiral shape, thereby blowing up and discharging impurities and dust near the fixed shaft 4, thereby cleaning the area near the fixed shaft 4 to ensure the rotating environment. An extension groove 7 is provided below the injection hole 5. After cleaning the impurities, the valve between the injection hole 5 and the extension groove 7 is controlled to open, and the control valve of the annular groove 6 is closed to guide the airflow into the extension groove 7. A cavity 701 is provided in the extension groove 7 for storing the storage tank 8. A storage tank 8 is provided inside the cavity 701. Due to the loading of lubricant, a nozzle 801 is provided on the top of the storage tank 8, which can spray the lubricant and bring the lubricant out through the airflow.

[0023] In this embodiment, all electrical components are controlled by conventional controllers.

[0024] For example, please refer to Figure 1-5The support frame 2 is coaxially connected with the fixed shaft 4, the fixed shaft 4 is embedded in the base 1 and is rotatably connected with the base 1 through a bearing, an inner frame is also provided inside the support frame 2, and the inner frame is rotatably connected with the inner wall of the support frame 2 through a bearing, the groove 201 is an embedded arc structure, and the plurality of air holes 202 are all arc structures, and one end is connected with the conveying groove 3, the other end of the conveying groove 3 extends to the bottom of the support frame 2 and corresponds to the injection hole 5 above the fixed shaft 4, one end of the injection hole 5 is connected with the annular groove 6, and the other end is connected with the extension groove 7 A control valve is provided on the channel between the injection hole 5 and the annular groove 6 and the extension groove 7. The control valve at the corresponding position is operated according to different needs to switch between cleaning and maintenance. The multiple inclined holes 601 are all connected to the annular groove 6, and the airflow in the annular groove 6 can be tilted and injected into the gap between the shaft body and the base 1. The storage tank 8 is located in the cavity 701, and the shaft lubricant is filled in the storage tank 8. The output end of the storage tank 8 is connected to the nozzle 801, and the nozzle 801 extends into the extension groove 7 and has a hollow structure to facilitate the passage of airflow. When in use, first, when the support frame 2 rotates, it will drive the surrounding air flow to rotate, and the air flow will enter the conveying groove 3 through the wind hole 202 in the groove 201, and guide the air flow to the fixed shaft 4 through the conveying groove 3. At the same time, the valve between the injection hole 5 and the annular groove 6 in the fixed shaft 4 is opened. After the air flow enters the fixed shaft 4, it enters the annular groove 6 through the injection hole 5, and is blown out from the fixed shaft 4 through the inclined hole 601 to blow up and remove dust and impurities around the shaft body. After cleaning the impurities, the valve in the annular groove 6 is controlled to be closed, and the valve of the extension groove 7 is opened to guide the air flow into the extension groove 7. At the same time, the lubricant in the storage tank 8 is controlled to be transported to the nozzle 801, and the lubricant is brought out by the air flow through the nozzle 801 and flows to the connection between the fixed shaft 4 and the bearing for lubrication.

[0025] The working process of the utility model is as follows: when the support frame 2 is used, the surrounding airflow will be driven to rotate, and the airflow will enter the conveying groove 3 through the air hole 202 in the groove 201, and the airflow will be guided and conveyed to the fixed shaft 4 through the conveying groove 3, and the valve between the injection hole 5 and the annular groove 6 in the fixed shaft 4 will be opened at the same time. After the airflow enters the fixed shaft 4, it will enter the annular groove 6 through the injection hole 5, and be blown out from the fixed shaft 4 through the inclined hole 601, and the dust and impurities around the shaft body will be blown up and removed. After the impurities are cleaned, the valve in the annular groove 6 is controlled to be closed, and the valve of the extension groove 7 is opened to guide the airflow into the extension groove 7, and at the same time, the lubricant in the storage tank 8 is controlled to be conveyed to the nozzle 801, and the lubricant is brought out and flows to the connection between the fixed shaft 4 and the bearing for lubrication through the airflow through the nozzle 801. The utility model realizes that the airflow is absorbed and guided through the air hole when the turntable rotates, and the impurities and dust around the shaft body can be cleaned to ensure the rotation environment of the shaft body, and the lubricant can be brought out by the airflow to lubricate and maintain the shaft body.

[0026] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cantilevered dual-axis test turntable structure, comprising a base (1), a support frame (2) being arranged on the top of the base (1), a protective component for cleaning and lubricating the shaft being arranged inside the support frame (2), characterized in that: The protection component comprises grooves (201) arranged on both sides of the support frame (2), the outer wall of the groove (201) is provided with a plurality of air holes (202), the other end of the air hole (202) is provided with a conveying groove (3), the bottom of the support frame (2) is provided with a fixed shaft (4), the top of the fixed shaft (4) is provided with an injection hole (5), the interior of the fixed shaft (4) is provided with an annular groove (6), the outer wall of the annular groove (6) is provided with a plurality of inclined holes (601), an extension groove (7) is provided below the injection hole (5), a cavity (701) is provided in the extension groove (7), a storage tank (8) is provided in the cavity (701), and a nozzle (801) is provided on the top of the storage tank (8).

2. The cantilevered biaxial test turntable structure according to claim 1, characterized in that: The support frame (2) is coaxially connected to the fixed shaft (4); the fixed shaft (4) is embedded in the base (1) and is rotatably connected to the base (1) via a bearing; an inner frame is also provided inside the support frame (2), and the inner frame is rotatably connected to the inner wall of the support frame (2) via a bearing.

3. The cantilevered biaxial test turntable structure according to claim 1, characterized in that: The groove (201) is an embedded arc-shaped structure, and the plurality of air holes (202) are all arc-shaped structures, and one end of each is connected to the conveying groove (3), and the other end of each conveying groove (3) extends to the bottom of the support frame (2) and corresponds to the injection hole (5) above the fixed shaft (4).

4. The cantilevered dual-axis test turntable structure according to claim 1, characterized in that: One end of the injection hole (5) is in communication with the annular groove (6), and the other end is in communication with the extension groove (7). Control valves are provided on the passages between the injection hole (5) and the annular groove (6) and the extension groove (7). The control valves at corresponding positions are operated according to different requirements to switch between cleaning and maintenance.

5. The cantilevered biaxial test turntable structure according to claim 1, characterized in that: The plurality of inclined holes (601) are all in communication with the annular groove (6), and can obliquely inject the airflow in the annular groove (6) into the gap between the shaft body and the base (1).

6. The cantilevered dual-axis test turntable structure according to claim 1, characterized in that: The storage tank (8) is located in the cavity (701), and shaft lubricant is contained in the storage tank (8). The output end of the storage tank (8) is connected to the nozzle (801), and the nozzle (801) extends into the extension groove (7) and has a hollow structure to facilitate airflow.

Images