阅读说明：本技术 一种水平旋转台真空罐 (Vacuum tank of horizontal rotating table ) 是由 单晓杭 曹鸿淼 李研彪 张利 叶必卿 于 2020-12-30 设计创作，主要内容包括：本发明公开了一种水平旋转台真空罐,包括真空罐罐体、真空罐罐盖、水平旋转台、轴承和磁流体密封轴,所述真空罐罐盖整体呈圆盘状,真空罐罐盖上设置有加载端口、观察窗口和信号输入端口；所述真空罐罐体整体呈圆筒状,真空罐罐体侧面设置有抽气端口和信号输出端口,所述水平旋转台放置在真空罐罐体内部,水平旋转台用于承载试验物件；本发明采用真空罐罐盖为圆盘状,相对于传统的圆弧状真空罐罐盖,制造更加简单,真空罐端盖上开孔的密封性要求更低；在真空罐罐体中加入了水平旋转台,为试验物件在水平旋转台上进行的加载磨损实验提供了直接接触的磨损平台。(The invention discloses a horizontal rotating platform vacuum tank which comprises a vacuum tank body, a vacuum tank cover, a horizontal rotating platform, a bearing and a magnetic fluid sealing shaft, wherein the vacuum tank cover is integrally disc-shaped, and a loading port, an observation window and a signal input port are arranged on the vacuum tank cover; the vacuum tank body is integrally cylindrical, an air exhaust port and a signal output port are arranged on the side face of the vacuum tank body, the horizontal rotating table is placed inside the vacuum tank body, and the horizontal rotating table is used for bearing a test object; the vacuum tank cover is disc-shaped, so that compared with the traditional arc-shaped vacuum tank cover, the vacuum tank cover is simpler to manufacture, and the requirement on the sealing property of the opening on the vacuum tank cover is lower; a horizontal rotating table is added in a tank body of the vacuum tank, so that a directly contacted abrasion platform is provided for a loading abrasion experiment of a test object on the horizontal rotating table.)

1. The utility model provides a vacuum tank of horizontal rotating platform which characterized in that: the device comprises a vacuum tank body (1), a vacuum tank cover (2), a horizontal rotating platform (5), a bearing (6) and a magnetic fluid sealing shaft (4), wherein the vacuum tank cover (2) is integrally disc-shaped, and a loading port (204), an observation window (202) and a signal input port (203) are arranged on the vacuum tank cover (2); the vacuum tank body (1) is integrally cylindrical, an air exhaust port (104) and a signal output port (102) are arranged on the side surface of the vacuum tank body (1), and a circular through hole is formed in the center of the bottom surface of the vacuum tank body (1); the vacuum tank cover (2) is fixedly arranged above the vacuum tank body (1) through bolts, and the vacuum tank cover (2) is hermetically connected with the vacuum tank body (1); the horizontal rotating platform (5) is placed inside the vacuum tank body (1), and the horizontal rotating platform (5) is used for bearing a test object; the bottom of the horizontal rotating platform (5) is provided with a rotating shaft, the rotating shaft penetrates through a circular through hole on the ground of the vacuum tank body (1), and the rotating shaft is installed on a through hole on the bottom surface of the vacuum tank body (1) through a bearing (6); the lower end of the rotating shaft is connected with an output shaft of the magnetic fluid sealing shaft (4), and the upper end of the shell of the magnetic fluid sealing shaft (4) is fixed at the bottom of the vacuum tank body (1).

2. A horizontal rotary table vacuum tank as claimed in claim 1, wherein: four loading ports (204) are arranged on the vacuum tank cover (2), and the four loading ports (204) are uniformly distributed around the axis of the vacuum tank cover (2).

3. A horizontal rotary table vacuum tank as claimed in claim 1, wherein: the signal input port (203) of the vacuum tank cover (2) is sealed through a blind plate (3) fixed on the signal input port (203).

4. A horizontal rotary table vacuum tank as claimed in claim 1, wherein: the side bottom of the vacuum tank body (1) is provided with a plurality of mounting bosses (101), the mounting bosses (101) are provided with vertically arranged circular mounting holes, and the vacuum tank body (1) is fixed on an external rack through the mounting bosses (101).

5. A horizontal rotary table vacuum tank as claimed in claim 1, wherein: two signal output ports (102) are formed in the vacuum tank body (1).

6. A horizontal rotary table vacuum tank as claimed in claim 5, wherein: a signal output port (102) on the vacuum tank body (1) is sealed through a blind plate (3), and the blind plate (3) is fixed on the signal output port (102) through screws.

7. A horizontal rotary table vacuum tank as claimed in claim 1, wherein: be fixed with cylindric boss (103) in the circular through-hole in bottom of the vacuum tank jar body (1), the bottom surface integrated into one piece of cylindric boss (103) and the vacuum tank jar body (1), the upper end at cylindric boss (103) is installed through bearing (6) to the rotation axis of horizontal rotation platform (5), cylindric boss (103) inside is equipped with hollow round hole, the rotation axis of horizontal rotation platform (5) passes the output that hollow round hole connects magnetic fluid seal axle (4), the below at cylindric boss (103) is fixed to the shell of magnetic fluid seal axle (4).

8. A horizontal rotary table vacuum tank as claimed in claim 7, wherein: the rotary shaft of the horizontal rotary table (5) is sleeved with a sealing ring, the lower surface and the outer side surface of the sealing ring are in interference fit with the cylindrical boss (103), the upper surface of the sealing ring is in interference fit with the bearing (6), and the inner side surface of the sealing ring is in interference fit with the rotary shaft.

9. A horizontal rotary table vacuum tank as claimed in claim 8, wherein: the shell of the magnetic fluid sealing shaft (4) is connected with the bottom surface of the cylindrical boss (103) in a sealing manner.

10. A horizontal rotary table vacuum tank as claimed in claim 1, wherein: four lifting rings (201) are uniformly arranged on the vacuum tank cover (2) around the axis of the vacuum tank cover (2).

Technical Field

The invention relates to the field of vacuum tanks, in particular to a vacuum tank with a horizontal rotating table.

Background

The general tank body structure of the existing vacuum tank is manufactured by rolling metal, a front end cover adopts a tank door with an O-shaped ring sealing ring to realize the opening and closing of the vacuum tank, a rear end cover adopts an arc-shaped steel plate and is welded on the tank body to realize the sealing, and an observation port, an air exhaust port and other ports required by a vacuum experiment are arranged on a cylindrical tank body. Before the vacuum experiment, the tested object is placed in a vacuum tank, air in the vacuum tank is pumped out through an air pumping device such as an air pump connected with an air pumping port, after the environment in the vacuum tank reaches a preset vacuum degree, the sealing process is completed, and then the next vacuum experiment is carried out.

Generally, in consideration of the whole pressure resistance of the vacuum tank, the end cover adopts an arc-shaped steel plate, the tank body adopts a circular shell, the atmospheric pressure outside the tank forms a centripetal resultant force, the stress in all directions is uniform, and the vacuum tank has no weak point. When different tested objects and different experimental requirements are faced, vacuum tanks with different sizes need to be customized. However, due to the specificity of some experiments, this type of vacuum can is far from satisfactory.

When a loading experiment is carried out in a vacuum tank, a tested object needs to bear a vertical downward loading force. In addition, when the tested object needs to be subjected to a vacuum abrasion test, the abrasion working condition needs to be designed. If such tests are carried out using the vacuum tank described above, the main drawbacks are as follows:

the vacuum tank is characterized in that most functional ports of the vacuum tank are arranged on the tank body, and under the condition of more experimental function requirements, the adopted vacuum tank is larger in size, low in actual effective space occupation rate and low in space utilization rate of the vacuum tank;

secondly, the loading port of the vacuum tank with the shaft vertically arranged needs to be arranged on the arc-shaped end cover, so that the sealing requirement of the arc-shaped port is improved or the sealing performance of the vacuum pipe is directly reduced, and the original pressure resistance is damaged;

thirdly, the loading port of the vacuum tank with the shaft horizontally arranged is also arranged on the tank body, so that the size of the vacuum tank is further increased, and the difficulty and the requirement on the design of the abrasion working condition are increased;

fourthly, various measuring devices, test objects, platforms and other objects need to be installed inside and outside the vacuum tank, and the vacuum pipe is integrally arc-shaped, so that the vacuum tank is not convenient to install and carry and low in installation precision.

Disclosure of Invention

The invention aims to solve the problems of poor sealing performance, low space utilization rate and insufficient reliability of a loading experiment of the conventional vacuum tank, and provides a horizontal rotating table vacuum tank which can be used for carrying out the loading experiment and improving the reliability of the vacuum tank in use.

The invention realizes the purpose through the following technical scheme: a horizontal rotating platform vacuum tank comprises a vacuum tank body, a vacuum tank cover, a horizontal rotating platform, a bearing and a magnetic fluid sealing shaft, wherein the vacuum tank cover is integrally disc-shaped, and a loading port, an observation window and a signal input port are formed in the vacuum tank cover; the vacuum tank body is integrally cylindrical, an air exhaust port and a signal output port are arranged on the side face of the vacuum tank body, and a circular through hole is formed in the center of the bottom face of the vacuum tank body; the vacuum tank cover is fixedly arranged above the vacuum tank body through a bolt and is connected with the vacuum tank body in a sealing way; the horizontal rotating platform is placed inside the vacuum tank body and used for bearing a test object; the bottom of the horizontal rotating platform is provided with a rotating shaft, the rotating shaft penetrates through a circular through hole in the ground of the vacuum tank body, and the rotating shaft is installed on a through hole in the bottom surface of the vacuum tank body through a bearing; the lower end of the rotating shaft is connected with an output shaft of the magnetic fluid sealing shaft, and the upper end of the shell of the magnetic fluid sealing shaft is fixed at the bottom of the vacuum tank body.

In the experimental process, an external air extractor is connected through an air extraction port of the vacuum tank body, external cable equipment is connected through a signal input port of the vacuum tank cover and a signal output port of the vacuum tank body, and the actual experimental phenomenon is observed through an observation window of the vacuum tank cover; during a loading experiment, a loading force is applied to a test object through a loading mechanism in a loading port on the vacuum tank cover; in the process of a rotary loading experiment, driving force is applied to the input end of the magnetic fluid sealing shaft, and the output end of the magnetic fluid sealing shaft transmits torque to the rotating shaft of the horizontal rotating platform, so that the horizontal rotating platform rotates.

Furthermore, four loading ports are arranged on the vacuum tank cover, and the four loading ports are uniformly distributed around the axis of the vacuum tank cover.

Further, the signal input port of the vacuum tank cover is sealed through a blind plate fixed on the signal input port.

Furthermore, the bottom of the side face of the vacuum tank body is provided with a plurality of mounting bosses, the mounting bosses are provided with vertically arranged circular mounting holes, and the vacuum tank body is fixed on an external rack through the mounting bosses. The mounting boss is convenient for positioning and mounting the vacuum tank body. The installation boss is provided with five and encircles the side evenly distributed of the vacuum tank jar body.

Furthermore, two signal output ports are arranged on the vacuum tank body. And more signal acquisition requirements are met through two signal output ports.

Furthermore, a signal output port on the vacuum tank body is sealed by a blind plate, and the blind plate is fixed on the signal output port through a screw. In experiments where electrical signal output is required, the blind plate needs to be removed.

Further, be fixed with cylindric boss in the circular through-hole of the bottom of the vacuum tank jar body, cylindric boss and the bottom surface integrated into one piece of the vacuum tank jar body, the rotation axis of horizontal rotating platform passes through the bearing and installs in the upper end of cylindric boss, the inside hollow round hole that is equipped with of cylindric boss, and the rotation axis of horizontal rotating platform passes hollow round hole and connects the output of magnetic fluid sealed axle, and the shell of magnetic fluid sealed axle is fixed in the below of cylindric boss.

Furthermore, the rotating shaft of the horizontal rotating platform is sleeved with a sealing ring, the lower surface and the outer side surface of the sealing ring are in interference fit with the cylindrical boss, the upper surface of the sealing ring is in interference fit with the bearing, and the inner side surface of the sealing ring is in interference fit with the rotating shaft.

Furthermore, the shell of the magnetic fluid sealing shaft is hermetically connected with the bottom surface of the cylindrical boss.

Furthermore, four lifting rings are uniformly arranged on the vacuum tank cover around the axis of the vacuum tank cover. The rings facilitate the carrying of the vacuum tank cover.

The invention has the beneficial effects that:

1) the vacuum tank cover is disc-shaped, so that compared with the traditional arc-shaped vacuum tank cover, the vacuum tank cover is simpler to manufacture, and the requirement on the sealing property of the opening on the vacuum tank cover is lower;

2) the vacuum tank cover is provided with the loading port, the observation window and the signal input port, and the vacuum tank body is provided with the air exhaust port and the signal output port, so that the vacuum tank cover is simple and compact in structure, convenient to assemble and high in space utilization rate;

3) according to the invention, the horizontal rotating table is added in the tank body of the vacuum tank, so that a directly contacted abrasion platform is provided for a loading abrasion experiment of a test object on the horizontal rotating table;

4) the invention adopts the magnetic fluid sealing shaft to transmit the rotating torque to the rotating shaft of the horizontal rotating platform, thereby realizing the transmission of the torque between vacuum and normal pressure environments and realizing the vacuum sealing at the circular hole at the bottom center of the tank body of the vacuum tank;

5) the invention transmits the experimental information in the vacuum tank through the signal input port and the signal output port, is beneficial to monitoring the experiment in the vacuum tank in real time, and improves the reliability of the vacuum tank in use.

Drawings

FIG. 1 is a schematic view of the overall structure of a vacuum tank of a horizontal rotary table according to the present invention.

FIG. 2 is a sectional view showing the internal structure of a vacuum vessel of a horizontal rotary table according to the present invention.

FIG. 3 is a schematic view of the construction of the vacuum tank body of the present invention.

FIG. 4 is a schematic view of the construction of the lid of the vacuum can of the present invention.

In the figure, 1-a vacuum tank body, 101-an installation boss, 102-a signal output port, 103-a cylindrical boss, 104-an air suction port, 2-a vacuum tank cover, 201-a hanging ring, 202-an observation window, 203-a signal input port, 204-a loading port, 205-a loading mechanism, 3-a blind plate, 4-a magnetic fluid sealing shaft, 5-a horizontal rotating platform and 6-a bearing.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The terms "parallel", "perpendicular", etc. above do not imply that the components are required to be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" merely means that the directions are more parallel relative to "perpendicular," and does not mean that the structures are necessarily perfectly parallel, but may be slightly tilted.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, a horizontal rotation table vacuum tank comprises a vacuum tank body 1, a vacuum tank cover 2, a horizontal rotation table 5, a bearing 6 and a magnetic fluid sealing shaft 4, wherein the vacuum tank cover 2 is integrally disc-shaped, the vacuum tank cover 2 is provided with a loading port 204, an observation window 202 and a signal input port 203, and a loading mechanism 205 is installed on the loading port; the vacuum tank body 1 is integrally cylindrical, an air exhaust port 104 and a signal output port 102 are arranged on the side surface of the vacuum tank body 1, and a circular through hole is formed in the center of the bottom surface of the vacuum tank body 1; the vacuum tank cover 2 is fixedly arranged above the vacuum tank body 1 through bolts, and the vacuum tank cover 2 is hermetically connected with the vacuum tank body 1; the horizontal rotating platform 5 is placed inside the vacuum tank body 1, and the horizontal rotating platform 5 is used for bearing a test object; the bottom of the horizontal rotating platform 5 is provided with a rotating shaft, the rotating shaft penetrates through a circular through hole on the ground of the vacuum tank body 1, and the rotating shaft is installed on a through hole on the bottom surface of the vacuum tank body 1 through a bearing 6; the lower end of the rotating shaft is connected with an output shaft of the magnetic fluid sealing shaft 4, and the upper end of the shell of the magnetic fluid sealing shaft 4 is fixed at the bottom of the vacuum tank body 1.

In the experimental process, an external air suction device is connected through an air suction port 104 of the vacuum tank body 1, external cable equipment is connected through a signal input port 203 of the vacuum tank cover 2 and a signal output port 102 of the vacuum tank body 1, and the actual experimental phenomenon is observed through an observation window 202 of the vacuum tank cover 2; during the loading experiment, a loading force is applied to the test object through the loading mechanism 205 in the loading port 204 on the vacuum canister lid 2; in the process of the rotary loading experiment, a driving force is applied to the input end of the magnetic fluid sealing shaft 4, and the output end of the magnetic fluid sealing shaft 4 transmits torque to the rotating shaft of the horizontal rotating table 5, so that the horizontal rotating table 5 rotates.

Four loading ports 204 are arranged on the vacuum tank cover 2, and the four loading ports 204 are uniformly distributed around the axis of the vacuum tank cover 2.

The signal input port 203 of the vacuum tank cover 2 is sealed by a blind plate 3 fixed to the signal input port 203. In experiments requiring electrical signal input, the blind plate 3 was removed.

The side bottom of the vacuum tank body 1 is provided with a plurality of mounting bosses 101, the mounting bosses 101 are provided with vertically arranged circular mounting holes, and the vacuum tank body 1 is fixed on an external rack through the mounting bosses 101. The mounting boss 101 facilitates positioning and mounting of the vacuum tank body 1. The mounting bosses 101 are provided with five and evenly distributed around the side surface of the vacuum tank body 1.

Two signal output ports 102 are arranged on the vacuum tank body 1. The signal output port 102 on the vacuum tank body 1 is sealed by the blind plate 3, and the blind plate 3 is fixed on the signal output port 102 through screws.

The cylindrical boss 103 is fixed in the circular through hole in the bottom of the vacuum tank body 1, the cylindrical boss 103 and the bottom surface of the vacuum tank body 1 are integrally formed, the rotating shaft of the horizontal rotating platform 5 is installed at the upper end of the cylindrical boss 103 through the bearing 6, a hollow round hole is formed in the cylindrical boss 103, the rotating shaft of the horizontal rotating platform 5 penetrates through the hollow round hole to be connected with the output end of the magnetic fluid sealing shaft 4, and the shell of the magnetic fluid sealing shaft 4 is fixed below the cylindrical boss 103.

The rotating shaft of the horizontal rotating platform 5 is sleeved with a sealing ring, the lower surface and the outer side surface of the sealing ring are in interference fit with the cylindrical boss 103, the upper surface of the sealing ring is in interference fit with the bearing 6, and the inner side surface of the sealing ring is in interference fit with the rotating shaft.

The shell of the magnetic fluid sealing shaft 4 is hermetically connected with the bottom surface of the cylindrical boss 103. Four lifting rings 201 are uniformly arranged on the vacuum tank cover 2 around the axis of the vacuum tank cover 2. The hanging ring 201 facilitates the carrying of the vacuum tank cover 2.

The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, so long as the technical solutions can be realized on the basis of the above embodiments without creative efforts, which should be considered to fall within the protection scope of the patent of the present invention.