Linear guide rail for improving surface wave absorbing coverage

Abstract

The utility model relates to a linear guide rail for improving surface wave-absorbing coverage, which is characterized by comprising a rotary table, and a lower cover shell, an upper cover shell, a wave-absorbing material and an upright post which are arranged on the rotary table, the upper cover shell is fixed on the lower cover shell, the wave-absorbing material is arranged on the upper cover shell, and the upright post is fixed on the rotary table. The stand column is movably arranged on the rotary table and located above the wave absorbing material. In the working process, the servo motor drives the output shaft of the speed reducer to rotate, the speed reducer drives the gear to rotate, and due to the fact that the gear is meshed with the rack, the support and the sliding block can move on the linear guide rail. The wave-absorbing material mainly covers the linear guide rail, the gear rack and the transmission part, metal reflection in the testing process is reduced, the long translation shaft can cover the wave-absorbing material, microwave reflection is not caused, translation of the rotary table is not affected, errors caused by the metal reflection are effectively reduced, and therefore the testing accuracy is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the microwave test technical field especially, be related to a linear guide for improving surface wave absorption coverage. BACKGROUND

[0002] In the microwave test system, the turntable is an indispensable instrument, and the turntable is usually composed of metal parts. Microwaves are reflected on the surface of the metal parts. The general treatment method is to cover the wave-absorbing material. However, as a movable mechanism, the turntable needs to rotate, translate and perform other actions. Therefore, the movable part cannot be covered with wave-absorbing material, which is contradictory.

[0003] In the prior art, referring to Figure 1 In the microwave test system, the environment of the microwave darkroom greatly affects the test results. For example, there are a large number of exposed metal surfaces in the darkroom environment. Microwaves are easily reflected on the exposed metal surfaces, forming false targets and causing inaccurate test results. In order to ensure the movement of the sliding block, the guide rail cannot be covered with wave-absorbing material. However, microwaves will be reflected if the wave-absorbing material is not covered. UTILITY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a linear guide for improving surface wave absorption coverage, which solves the problem that the metal part of the long-distance translation turntable in the microwave test cannot move due to the coverage of the wave-absorbing material.

[0005] The above utility model of the utility model is realized by the following technical solutions:

[0006] A linear guide for improving surface wave absorption coverage, comprising a turntable, a lower housing, an upper housing, wave-absorbing material and a column installed on the turntable, the upper housing is fixed on the lower housing, the wave-absorbing material is arranged on the upper housing, and the column is movably arranged on the turntable and located above the wave-absorbing material.

[0007] As a further technical solution of the utility model, the turntable is provided with a linear guide, the bottom of the column is provided with a bracket, the bottom of the bracket is fixed with a sliding block, the sliding block is slidably connected to the linear guide, and the wave-absorbing material is located between the column and the sliding block.

[0008] As a further technical solution of the utility model, the bracket is provided with a driving assembly, and the driving assembly is used to drive the bracket to move on the linear guide.

[0009] As a further technical solution of this utility model: the drive component includes a servo motor, a reducer, a gear and a rack. The servo motor is connected to the reducer for transmission. The gear is fixed on the output shaft of the reducer. The rack is fixed on the side of the linear guide rail. The gear and the rack mesh with each other.

[0010] As a further technical solution of this utility model: the bracket includes a sliding base plate, two sliding upright plates and a sliding top plate, the slider is fixed to the bottom of the sliding base plate, the two sliding upright plates are respectively fixed to both sides of the sliding base plate, the sliding top plate is fixed between the tops of the two sliding upright plates, and the column is fixed to the sliding top plate.

[0011] As a further technical solution of this utility model: a shielding transmission block is installed on the turntable, a transmission block is installed on the bracket, and the shielding transmission block is located between the upper cover and the lower cover.

[0012] In summary, this utility model has at least one of the following beneficial technical effects:

[0013] This invention discloses a linear guide rail for improving surface microwave absorption coverage. During operation, a servo motor drives the output shaft of a reducer to rotate, which in turn drives a gear. The meshing of the gear and rack allows the support and slider to move along the linear guide rail. The microwave-absorbing material primarily covers the linear guide rail, gear rack, and transmission components, reducing metal reflection during testing. This effectively solves the problem of covering the microwave-absorbing material on a long translation axis without causing microwave reflection or affecting the turntable's translation, thus significantly reducing errors caused by metal reflection and improving testing accuracy. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of a microwave testing system in the prior art.

[0015] Figure 2 This is a schematic diagram of the overall structure of this utility model.

[0016] Figure 3 This is a schematic diagram of the drive component of this utility model.

[0017] Figure 4 This is a side view of the present invention.

[0018] Figure 5 for Figure 4 An enlarged schematic diagram of part A in the middle.

[0019] Figure 6 This is a stress diagram of the transmission block in this utility model, showing the stress simulation.

[0020] Figure 7 This is a stress simulation strain diagram of the transmission block in this utility model.

[0021] Figure 8 This is a stress diagram of the shielded transmission block under stress in this utility model.

[0022] Figure 9 This is a stress simulation strain diagram of the shielded transmission block in this utility model.

[0023] Reference numerals in the attached drawings: 1. Turntable; 2. Lower cover; 3. Upper cover; 4. Wave-absorbing material; 5. Column; 6. Linear guide rail; 7. Bracket; 71. Sliding base plate; 72. Sliding vertical plate; 73. Sliding top plate; 8. Slider; 9. Servo motor; 10. Reducer; 11. Gear; 12. Rack; 13. Shielded transmission block; 14. Transmission block; 15. Adjusting shim. Detailed Implementation

[0024] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0025] In the description of this application, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0026] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0027] Example 1:

[0028] Reference Figures 2-3This utility model discloses a linear guide rail for improving surface microwave absorption coverage, comprising a turntable 1, a lower cover 2, an upper cover 3, microwave absorbing material 4, and a column 5 mounted on the turntable 1. The upper cover 3 is fixed to the lower cover 2, the microwave absorbing material 4 is disposed on the upper cover 3, and the column 5 is movably disposed on the turntable 1 and located above the microwave absorbing material 4. In this embodiment, a plurality of evenly distributed adjusting pads 15 are installed at the bottom of the turntable 1.

[0029] A linear guide rail 6 is mounted on the turntable 1, and a bracket 7 is mounted on the bottom of the column 5. A slider 8 is fixed to the bottom of the bracket 7 and is slidably connected to the linear guide rail 6. The wave-absorbing material 4 is located between the column 5 and the slider 8. A drive assembly is mounted on the bracket 7, which is used to drive the bracket 7 to move on the linear guide rail 6.

[0030] The drive assembly includes a servo motor 9, a reducer 10, a gear 11, and a rack 12. The servo motor 9 is connected to the reducer 10 for transmission. The gear 11 is fixed on the output shaft of the reducer 10, and the rack 12 is fixed on the side of the linear guide 6. The gear 11 and the rack 12 mesh with each other. The bracket 7 includes a sliding base plate 71, two sliding upright plates 72, and a sliding top plate 73. The slider 8 is fixed to the bottom of the sliding base plate 71, the two sliding upright plates 72 are respectively fixed to the two sides of the sliding base plate 71, the sliding top plate 73 is fixed between the tops of the two sliding upright plates 72, and the column 5 is fixed on the sliding top plate 73.

[0031] The turntable 1 primarily uses linear guides 6 and sliders 8 to maintain linear motion and bear the weight of the load. Gears 11 and racks 12 mainly drive the movement of the column 5 and slider 8. The reducer 10 and servo motor 9 mainly provide power. The absorbing material 4 mainly covers the linear guides 6, gears 11 and racks 12, and transmission components to reduce metal reflection during the testing process.

[0032] The power transmission consists of a servo motor 9, a reducer 10, a gear 11, a rack 12, a sliding base plate 71, a shielded transmission block 13, a transmission block 14, a sliding top plate 73, and a column 5. The upper and lower covers 2 enclose the entire transmission mechanism, and power is transmitted through the shielded transmission blocks 13 on both sides. Figure 4 and Figure 5 As shown.

[0033] A shielded transmission block 13 is installed on the turntable 1, and a transmission block 14 is installed on the bracket 7. The shielded transmission block 13 is located between the upper cover 3 and the lower cover 2. The stress simulation of key components is performed under a load of 10KG on the guide rail. Figure 6 and Figure 7 The stress diagram and strain diagram of the transmission block 14 are respectively simulated under force. Figure 8 and Figure 9The figures show the stress and strain diagrams of the shielded transmission block 13 under stress simulation. The stress simulation diagrams show that under a stress of 10 kg, the stress and deformation of the key components are within a reasonable range.

[0034] The implementation principle of this utility model is as follows: This utility model discloses a linear guide rail for improving surface microwave absorption coverage. During operation, the servo motor 9 drives the output shaft of the reducer 10 to rotate, and the reducer 10 drives the gear 11 to rotate. Since the gear 11 and the rack 12 mesh with each other, the bracket 7 and the slider 8 can move on the linear guide rail 6. The microwave absorbing material 4 mainly covers the linear guide rail 6, the gear 11, the rack 12, and the transmission components, reducing metal reflection during the test. This effectively solves the problem of covering the microwave absorbing material 4 on a long translation axis without causing microwave reflection or affecting the translation of the turntable 1, effectively reducing errors caused by metal reflection, thereby improving the accuracy of the test.

[0035] The embodiments described herein are preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape, and principle of this utility model should be included within the scope of protection of this utility model.

Claims

1. A linear guide rail for improving wave-absorbing coverage of a surface, characterized by, The application relates to a rotating table (1) and a lower cover (2), an upper cover (3), wave-absorbing material (4) and a column (5) installed on the rotating table (1), the upper cover (3) is fixed on the lower cover (2), the wave-absorbing material (4) is arranged on the upper cover (3), and the column (5) is movably arranged on the rotating table (1) and located above the wave-absorbing material (4).

2. The linear guide rail for improving surface wave-absorbing coverage according to claim 1, wherein A linear guide rail (6) is installed on the rotating table (1), a support (7) is installed at the bottom of the column (5), a sliding block (8) is fixed at the bottom of the support (7), the sliding block (8) is slidably connected to the linear guide rail (6), and the wave-absorbing material (4) is located between the column (5) and the sliding block (8).

3. The linear guide rail for improving surface wave-absorbing coverage according to claim 2, wherein A driving assembly is installed on the support (7) and used for driving the support (7) to move on the linear guide rail (6).

4. The linear guide rail for improving surface wave-absorbing coverage according to claim 3, wherein The driving assembly comprises a servo motor (9), a speed reducer (10), a gear (11) and a rack (12), the servo motor (9) is in transmission connection with the speed reducer (10), the gear (11) is fixed on an output shaft of the speed reducer (10), the rack (12) is fixed on the side of the linear guide rail (6), and the gear (11) and the rack (12) are in meshing connection.

5. The linear guide rail for improving surface wave-absorbing coverage according to claim 2, wherein The support (7) comprises a sliding bottom plate (71), two sliding vertical plates (72) and a sliding top plate (73), the sliding block (8) is fixed at the bottom of the sliding bottom plate (71), the two sliding vertical plates (72) are respectively fixed at the two sides of the sliding bottom plate (71), the sliding top plate (73) is fixed between the top ends of the two sliding vertical plates (72), and the column (5) is fixed on the sliding top plate (73).

6. The linear guide rail for improving surface wave-absorbing coverage according to claim 2, wherein A shielding transmission block (13) is installed on the rotating table (1), a transmission block (14) is installed on the support (7), and the shielding transmission block (13) is located between the upper cover (3) and the lower cover (2).

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