Cabin supporting frame

Abstract

The invention provides a cabin body support frame, which can meet the requirements of cabin body antenna performance test, and comprises an orientation turntable, a support vertical plate, a support bottom plate, a cabin body, a cabin body front cover plate, a cabin body rear cover plate, a support middle shaft, a middle shaft sleeve and a sleeve gland, supporting bases are fixed to the left side and the right side of the orientation rotary table, each supporting base comprises a supporting vertical plate and a supporting bottom plate, and arc grooves are formed in the top ends of the supporting vertical plates. The cabin body front cover plate and the cabin body rear cover plate are fixed on the cabin body through screws, and platform holes are formed in the center positions of the cabin body front cover plate and the cabin body rear cover plate; the supporting middle shaft penetrates through the platform holes of the cabin front cover plate and the cabin rear cover plate, the two ends of the supporting middle shaft are placed on the arc grooves in the top ends of the supporting vertical plates, and when the supporting middle shaft is placed in the arc grooves of the supporting vertical plates, the two ends of the supporting middle shaft extend out of protruding parts; the protruding part is provided with a middle shaft sleeve, a sleeve gland locks the middle shaft sleeve on the supporting vertical plate through a screw, and the supporting middle shaft is fixed on the supporting vertical plate through the middle shaft sleeve.

Description

Technical Field

[0001] The present application relates to the field of support frames, and in particular to a cabin support frame. Background Art

[0002] As an important part of the radio system, the antenna system is required to have high precision, large capacity, long range, strong adaptability, high degree of automation, and good maneuverability. The antenna system not only plays a role in discovering and capturing targets in the entire radio system, but also ensures that radio signals are received reliably with the highest gain. At present, various types of antennas are designed on the outer walls of each cabin. In order to evaluate the performance indicators of the antenna system in the actual working environment, the antenna needs to be installed in the predetermined position of the cabin for testing. The cabin itself is large in size and weight, and the antenna test requires movement requirements such as azimuth and polarization, which puts high design requirements on the cabin support frame.

[0003] However, the common cabin test support frame currently is a specially designed support seat to support the cabin to complete the required degrees of freedom, and servo turntable technology is widely used. Since it uses electric drive and uses metal materials, this type of support frame is costly, large in size, and heavy in weight. At the same time, due to the use of a large amount of metal materials, it causes reflection of electromagnetic waves during the test, affecting the test results. Alternatively, the cabin support frame is manually adjusted, and a support ring is designed using one end face of the cabin, and then the support ring is installed on the ring and rotated to realize the cabin test function. The support ring in this method is designed to be metal, and the position of the support ring is just opposite to the radiation direction of the antenna on the cabin, which seriously affects the test results. And because it is a single-sided support, the center of gravity deviates far from the fixed point, which easily causes the axis to tilt downward and shake during testing.

[0004] In view of the above problems, it is necessary to design a new cabin support frame to solve the problem of cabin antenna performance testing in the aerospace field. Summary of the invention

[0005] An embodiment of the present application provides a cabin support frame, which utilizes the front and rear end faces of the cabin and is provided with a supporting central axis. The support of the supporting central axis facilitates the polarization rotation of the cabin, and the center of gravity is between the two supporting points. The structure is stable and the whole is manually adjusted. The structure is simple, the size is small, the weight is light, and the cost is low. It can meet the requirements of cabin testing and provides a strong guarantee for multi-parameter testing of antennas and error tracing.

[0006] In order to achieve the above objectives, this application adopts the following technical solutions:

[0007] In a first aspect, the present application provides a cabin support frame, including: an azimuth turntable, a support vertical plate, a support bottom plate, a cabin, a cabin front cover plate, a cabin rear cover plate, a support center axis, a center axis sleeve, and a sleeve gland;

[0008] The left and right sides of the azimuth turntable are fixed with support seats, which include support vertical plates and support bottom plates, and the tops of the support vertical plates are provided with arc grooves;

[0009] The front cover plate and the rear cover plate of the cabin are fixed to the cabin by screws, and a platform hole is opened at the center of the front cover plate and the rear cover plate of the cabin;

[0010] The support center axis passes through the platform holes of the front cover plate and the rear cover plate of the cabin body, and the two ends of the support center axis are placed on the arc grooves at the top ends of the support vertical plates, wherein when the support center axis is placed in the arc grooves of the support vertical plates, both ends of the support center axis extend out protruding parts;

[0011] The protruding part is provided with a central axis sleeve, and the sleeve gland locks the central axis sleeve on the supporting vertical plate through screws, and the supporting central axis is fixed on the supporting vertical plate through the central axis sleeve.

[0012] Optionally, the supporting vertical plate and the supporting bottom plate are fixed to the azimuth turntable by screws.

[0013] Optionally, a long hole is provided on the support bottom plate, which is used to slide the support frame along the long hole to adjust the front-to-back relative position of the cabin body and the azimuth turntable.

[0014] Optionally, vertical plate reinforcement ribs are provided on the left and right sides of the bottom of the supporting vertical plate to improve the strength and stability of the supporting vertical plate.

[0015] Optionally, an angle scale is provided on the circumference of the central axis sleeve, which is used to determine the polarization position of the cabin body through the relationship between the angle scale and the cross section on the supporting vertical plate.

[0016] Optionally, bearing assemblies are provided on the left and right sides of the top of the supporting vertical plate, so as to reduce the friction resistance when the middle shaft sleeve is rotated through the contact between the bearing assemblies and the middle shaft sleeve.

[0017] Optionally, the bearing assembly consists of a bearing, a bearing gasket, and a bearing pressure block. The bearing gasket and the bearing are placed in the arc groove of the supporting vertical plate. The bearing pressure block passes through the axis of the bearing gasket and the bearing, and the bearing pressure block fixes the bearing in a position in contact with the middle shaft sleeve.

[0018] Optionally, the bearings are made of a low friction material to reduce wear.

[0019] Optionally, all parts of the cabin support frame are made of non-metallic materials.

[0020] Optionally, the non-metallic material is any one of polycarbonate, polypropylene, polytetrafluoroethylene, and carbon fiber composite materials, or a combination thereof.

[0021] In the embodiment of the present application, the cabin support frame uses the front and rear end faces of the cabin to be provided with a supporting central axis. The support of the supporting central axis facilitates the polarization rotation of the cabin, and the center of gravity is between the two supporting points, and the structure is stable; a central axis sleeve is provided, and the supporting central axis can be rotated by rotating the central axis sleeve, so that the cabin can rotate synchronously; a long hole is provided, and the support frame can be slid along the long hole to adjust the front and rear relative position of the cabin and the azimuth turntable; the circumference of the central axis sleeve is provided with an angle scale to facilitate the positioning of the polarization angle of the cabin; a bearing assembly is also provided to facilitate polarization rotation; and all parts of the cabin support frame are made of non-metallic materials to avoid the reflection of electromagnetic waves during the test. In short, the cabin support frame can be adjusted manually, has a simple structure, small size, light weight, and low cost, can well meet the requirements of cabin antenna performance testing, and provide a strong guarantee for antenna multi-parameter testing and error tracing.

[0022] Other features and advantages of the present application will be described in detail in the subsequent detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 A schematic diagram of the overall structure of the cabin support frame provided in an embodiment of the present application;

[0025] Figure 2 A left view of the cabin support frame provided in an embodiment of the present application;

[0026] Figure 3 An isometric view of a cabin support frame provided in an embodiment of the present application;

[0027] Figure 4 A cross-sectional view of a cabin support frame provided in an embodiment of the present application;

[0028] Figure 5 A schematic diagram of a support riser and a bearing assembly provided in an embodiment of the present application;

[0029] Figure 6 A schematic diagram of a support vertical plate provided in an embodiment of the present application;

[0030] Figure 7 A schematic diagram of a middle shaft sleeve and a bearing assembly provided in an embodiment of the present application;

[0031] Explanation of the reference numerals in the accompanying drawings: 1. Azimuth turntable, 2. Cabin, 3. Cabin front cover, 4. Cabin rear cover, 5. Support center axis, 6. Center axis sleeve, 7. Support vertical plate, 8. Sleeve pressure cover, 9. Vertical plate reinforcement rib, 10. Support bottom plate, 11. Bearing assembly, 12. Bearing, 13. Bearing gasket, 14. Bearing block. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solutions and advantages of the embodiments of this specification more clear, the technical solutions in the embodiments of this specification will be clearly and completely described below in conjunction with the drawings in the embodiments of this specification. Obviously, the described embodiments are part of the embodiments of this specification, not all of the embodiments. The components of the embodiments of this specification described and shown in the drawings here can be arranged and designed in various different configurations.

[0033] Therefore, the following detailed description of the embodiments of the present specification provided in the accompanying drawings is not intended to limit the scope of the present specification to be protected, but merely represents selected embodiments of the present specification. Based on the embodiments in the present specification, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present specification.

[0034] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0035] In the description of the embodiments of this specification, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the product of the application is usually placed when in use. It is only for the convenience of describing this specification and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on this specification. In addition, if the terms "first", "second", "third", etc. appear, they are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0036] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0037] In the description of the embodiments of this specification, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it 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 it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in this specification can be understood according to specific circumstances.

[0038] The following is a detailed introduction to a cabin support frame of the present application. The support frame uses the front and rear end faces of the cabin and is provided with a support center axis. The support center axis is used to support the cabin polarization rotation, and the center of gravity is between the two support points. The structure is stable and the whole is manually adjusted. It has a simple structure, small size, light weight, and low cost. It reduces the use of metal materials and can well meet the requirements of cabin testing, providing a strong guarantee for antenna multi-parameter testing and error tracing. .

[0039] Figure 1 A schematic diagram of the overall structure of the cabin support frame and cabin provided in an embodiment of the present application.

[0040] like Figure 1 As shown, the cabin support frame mainly includes: an azimuth turntable 1, a supporting vertical plate 7, a supporting bottom plate 10, a cabin 2, a cabin front cover plate 3, a cabin rear cover plate 4, a supporting central axis 5, a central axis sleeve 6 and a sleeve gland 8;

[0041] Support seats are fixed on the left and right sides of the azimuth turntable 1. The support seats include support vertical plates 7 and support bottom plates 10. The tops of the support vertical plates 7 are provided with arc grooves.

[0042] The cabin front cover plate 3 and the cabin rear cover plate 4 are fixed to the cabin 2 by screws, and a platform hole is opened at the center of the cabin front cover plate 3 and the cabin rear cover plate 4;

[0043] The support center axis 5 passes through the platform holes of the cabin front cover plate 3 and the cabin rear cover plate 4, and the two ends of the support center axis 5 are placed on the arc grooves at the top ends of the support vertical plates 7, wherein when the support center axis 5 is placed on the arc grooves of the support vertical plates 7, both ends of the support center axis 5 extend out protruding portions;

[0044] The protruding part is provided with a central axis sleeve 6 , and the sleeve gland 8 locks the central axis sleeve 6 on the supporting vertical plate 7 through screws, and the supporting central axis 5 is fixed on the supporting vertical plate 7 through the central axis sleeve 6 .

[0045] During the specific use of the cabin support frame, the central axis 5 can be rotated by rotating the central axis sleeve 6, thereby realizing the synchronous rotation of the cabin 2.

[0046] The supporting vertical plate 7 and the supporting bottom plate 10 are fixed to the azimuth turntable 1 by screws.

[0047] In addition, a long hole is provided on the supporting bottom plate 10 for sliding the supporting frame along the long hole, and can be used to fine-tune the front-to-back relative position of the cabin body 2 and the azimuth turntable 1 .

[0048] Furthermore, vertical plate reinforcement ribs 9 can be provided at the left and right sides of the bottom of the support vertical plate 7 to improve the strength and stability of the support vertical plate 7. It can also be said that the function of the vertical plate reinforcement ribs 9 is to disperse the load and reduce local stress concentration, thereby improving the safety and durability of the entire support structure. The specific position of the vertical plate reinforcement ribs 9 can be referred to Figure 1 Understood, no further elaboration here.

[0049] Optionally, the circumference of the central axis sleeve 6 may also be provided with an angle scale, which may be used to determine the polarization position of the cabin 2 through the relationship between the angle scale and the upper cross section of the supporting vertical plate 7. For example, the angle scale may be a degree scale, using a 360-degree circular scale, each grid representing a certain angle, and each grid is commonly 1 degree or 0.5 degree, and a smaller scale may also be designed as required, which is not limited here; for another example, the angle scale may be a digital or engraved mark, and the angle scale may be represented by a digital mark (such as 0°, 15°, 30°, etc.) or a simple engraved line (short line or long line); in addition, the above is only an example, and may be specifically set according to requirements.

[0050] Optionally, bearing assemblies 11 are provided on both left and right sides of the top of the support vertical plate 7 to reduce the friction resistance when the middle shaft sleeve 6 is rotated through the contact between the bearing assemblies 11 and the middle shaft sleeve 6 .

[0051] The bearing assembly 11 is composed of a bearing 12, a bearing gasket 13, and a bearing pressing block 14. The bearing gasket 13 and the bearing 12 are placed in the arc groove of the support vertical plate 7. The bearing pressing block 14 passes through the axis of the bearing gasket 13 and the bearing 12. The bearing pressing block 14 fixes the bearing 12 at a position in contact with the middle shaft sleeve 6. Figure 5 As shown, the bearing gasket 13 and the bearing 12 are placed in the arc groove of the supporting vertical plate 7, as shown in FIG. Figure 7 As shown, the bearing 12 placed in the arc groove of the supporting vertical plate 7 is in contact with the middle shaft sleeve 6, which can reduce the friction resistance when the middle shaft sleeve 6 is rotated.

[0052] In addition, the bearing 12 is made of low-friction material, such as polytetrafluoroethylene (PTFE), polyamide (PA, nylon), polyethylene (PE), graphite, etc., without specific limitation here. The use of low-friction material can have better wear resistance and corrosion resistance.

[0053] Optionally, all parts of the cabin support frame are made of non-metallic materials, which can avoid reflection of electromagnetic waves during the test and affect the test results.

[0054] In addition, the non-metallic material is any one of polycarbonate, polypropylene, polytetrafluoroethylene, carbon fiber composite material or a combination thereof, or other possible non-metallic materials, which are not specifically limited here.

[0055] In summary, the cabin support frame provided in the embodiment of the present application utilizes the front and rear end faces of the cabin, and is provided with a supporting central axis. The support of the supporting central axis facilitates the polarization rotation of the cabin, and the center of gravity is between the two supporting points, and the structure is stable; a central axis sleeve is provided, and the supporting central axis can be rotated by rotating the central axis sleeve, so that the cabin can rotate synchronously; a long hole is provided, and the support frame can be slid along the long hole to adjust the front and rear relative position of the cabin and the azimuth turntable; the circumference of the central axis sleeve is provided with an angle scale to facilitate the positioning of the polarization angle of the cabin; a bearing assembly is also provided to facilitate polarization rotation; and all parts of the cabin support frame are made of non-metallic materials to avoid the reflection of electromagnetic waves during the test. In short, the cabin support frame can be adjusted manually, has a simple structure, small size, light weight, and low cost, can well meet the requirements of cabin antenna performance testing, and provide a strong guarantee for antenna multi-parameter testing and error tracing.

[0056] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present disclosure (including the claims) is limited to these examples. In line with the concept of the present application, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present application as above, which are not provided in detail for the sake of simplicity.

[0057] The embodiments of the present application are intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A cabin support frame, characterized in that: include: Azimuth turntable, supporting vertical plate, supporting bottom plate, cabin, cabin front cover plate, cabin rear cover plate, supporting central axis, central axis sleeve and sleeve gland; Support seats are fixed on the left and right sides of the azimuth turntable, and the support seats include support vertical plates and support bottom plates, and arc grooves are formed on the tops of the support vertical plates; The cabin front cover plate and the cabin rear cover plate are fixed to the cabin by screws, and a platform hole is opened at the center of the cabin front cover plate and the cabin rear cover plate; The support center axis passes through the platform holes of the cabin front cover plate and the cabin rear cover plate, and the two ends of the support center axis are placed on the arc grooves at the top ends of the support vertical plates, wherein when the support center axis is placed on the arc grooves of the support vertical plates, both ends of the support center axis extend out protruding portions; The protruding portion is provided with the central axis sleeve, and the sleeve gland locks the central axis sleeve onto the supporting vertical plate via screws, and the supporting central axis is fixed onto the supporting vertical plate via the central axis sleeve.

2. The cabin support frame according to claim 1, characterized in that: The supporting vertical plate and the supporting bottom plate are fixed to the azimuth turntable by screws.

3. The cabin support frame according to claim 1, characterized in that: The support bottom plate is provided with an elongated hole for sliding the support frame along the elongated hole to adjust the front-rear relative position of the cabin body and the azimuth turntable.

4. The cabin support frame according to claim 1, characterized in that: Vertical plate reinforcing ribs are arranged on the left and right sides of the bottom of the supporting vertical plate to improve the strength and stability of the supporting vertical plate.

5. The cabin support frame according to claim 1, characterized in that: An angle scale is provided on the circumference of the central axis sleeve, which is used to determine the polarization position of the cabin body through the relationship between the angle scale and the cross section on the supporting vertical plate.

6. The cabin support frame according to claim 1, characterized in that: Bearing assemblies are arranged on the left and right sides of the top of the supporting vertical plate, and are used to reduce the friction resistance when the central shaft sleeve is rotated through the contact between the bearing assemblies and the central shaft sleeve.

7. The cabin support frame according to claim 6, characterized in that: The bearing assembly consists of a bearing, a bearing gasket, and a bearing pressure block. The bearing gasket and the bearing are placed in the arc groove of the supporting vertical plate. The bearing pressure block passes through the axis of the bearing gasket and the bearing. The bearing pressure block fixes the bearing in a position in contact with the middle shaft sleeve.

8. The cabin support frame according to claim 7, characterized in that: The bearing is made of low-friction material to reduce wear.

9. The cabin support frame according to claim 1, characterized in that: Each part of the cabin support frame is made of non-metallic materials.

10. The cabin support frame according to claim 9, characterized in that: The non-metallic material is any one of polycarbonate, polypropylene, polytetrafluoroethylene, and carbon fiber composite materials, or a combination thereof.

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