L-shaped assembled silent area scanning frame stand column

Abstract

The utility model relates to an L-shaped spliced quiet zone scanning frame stand column which comprises a base module unit, a plurality of stand column module units and a cage ladder unit, the base module unit is of an L-shaped frame structure, and the stand column module units are of a rectangular frame structure. The vertical column module units are sequentially and detachably stacked on the top of the base module unit from bottom to top, the cage ladder units are arranged on the back faces of the vertical column module units, and wave-absorbing materials are arranged on the front faces of the base module unit and the vertical column module units. The beneficial effects of the utility model lie in that through structural module unitization design, flexible assembly of the whole structure can be realized, so that the device can be suitable for test sites with different sizes, and the whole structure is stable and reliable, convenient to transport and strong in universality.

Description

TECHNICAL FIELD

[0001] The utility model belongs to RCS tight shrinkage field static area scanning frame measurement technical field, concretely relates to a L type assembling static area scanning frame stand. BACKGROUND

[0002] In recent years, stealth, anti-stealth technology develops rapidly, and the test precision requirement of target radar scattering section (Radar Crocs Section, RCS) test is higher and higher. The tight shrinkage field is widely popularized and applied due to the advantages such as small occupation, high test precision, all-weather measurement, good secrecy, etc. The region with minimum reflection in the darkroom is usually called static area, and the size of the RCS static area of the tight shrinkage field, the range of the static area, the amplitude tapering, the amplitude ripple, the phase ripple, the reflection level, the cross polarization, the path loss, the working frequency and other parameters are the main indexes for measuring the performance of the static area, so the performance index detection of the static area itself of the tight shrinkage field is very important. The static area scanning frame is a commonly used device for testing and evaluating the performance of the darkroom static area. For the static area of a small tight shrinkage field, the scanning frame can be designed as a single stand structure, but for a large tight shrinkage field, due to the requirements of transportation, installation and test precision, the overall stand scheme is not applicable. Therefore, it is particularly necessary to design a static area scanning frame stand which is assembled, high-precision and safe and reliable. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at overcoming the shortcomings of prior art, provides a L type assembling static area scanning frame stand, through structure module unit design, can realize overall structure flexible assembly, and then can be applicable to different size test site, overall structure is stable and reliable, convenient to transport and strong in universality.

[0004] The utility model aims at overcoming the shortcomings of prior art, provides a L type assembling static area scanning frame stand, through structure module unit design, can realize overall structure flexible assembly, and then can be applicable to different size test site, overall structure is stable and reliable, convenient to transport and strong in universality.

[0005] A L type assembling static area scanning frame stand, including base module unit, stand module unit, cage ladder unit, the base module unit is L type frame structure, the stand module unit is rectangular frame structure, the stand module unit is equipped with a plurality of, a plurality of stand module units are detachable and stacked on the top of base module unit from bottom to top, the cage ladder unit is located at the back of stand module unit, and the front surface of base module unit and the front surface of stand module unit are all equipped with wave absorbing material.

[0006] Further, the base module unit includes a base body, a top plate and a bottom plate, the base body is an L-shaped frame structure, the top plate is arranged on the top of the base body, the bottom plate is arranged on the bottom of the base body, and the plurality of stand module units are detachably stacked on the top plate.

[0007] Further, the column module unit comprises a column module, an upper connecting plate and a lower connecting plate, the column module is a rectangular frame structure, the upper connecting plate is arranged at the top of the column module, and the lower connecting plate is arranged at the bottom of the column module, and the adjacent lower connecting plates and top plates and the adjacent lower connecting plates and upper connecting plates are connected through bolts.

[0008] Further, the base body and the column module are both welded by rectangular tubes.

[0009] Further, the front surface of the base body and the front surface of the column module are both provided with a wave-absorbing material mounting plate, and the wave-absorbing material is arranged on the wave-absorbing material mounting plate.

[0010] Further, the top plate and the upper connecting plate are both provided with an annular boss, the lower connecting plate is provided with an annular recess matched with the annular boss, and the adjacent lower connecting plates and top plates and the adjacent lower connecting plates and upper connecting plates are all embedded through the annular recess and the annular boss.

[0011] Further, the cage ladder unit comprises a connecting frame, a protective cover and a mounting leg, the connecting frame is welded by a rectangular tube and a round steel, the protective cover is welded by a steel strip, the protective cover and the mounting leg are arranged at two sides of the connecting frame, and the back surface of the column module is provided with a cage ladder mounting plate connected with the mounting leg.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The base module unit and the column module unit are arranged, different numbers of column module units 2 can be disassembled or assembled to adjust the height of the scanning frame column as a whole, so that the scanning frame column can be applied to different sizes of test sites, has higher universality and is convenient to transport; the base module unit serves as a bottom support and adopts an L-shaped structure design, so as to ensure the stability of the scanning frame column as a whole, prevent the scanning frame column from being eccentric and being prone to overturning, and improve the use safety.

[0014] 2. The base body and the column module, and the column module and the column module are all designed to be matched through annular bosses and annular recesses, so that the overall structure has high assembly precision and good repeatability.

[0015] 3. The base body and the column module are both welded by rectangular tubes to form a frame structure, so that the overall structure has light weight, good rigidity and low cost.

[0016] 4. The column module unit and the cage ladder unit are both designed by standardized modules, so that the overall structure is simple to manufacture, convenient to install and good in flexibility. DRAWINGS

[0017] Figure 1The whole structure schematic diagram of the utility model is shown in the figure.

[0018] Figure 2 The structure schematic diagram of the base module unit in the utility model is shown in the figure.

[0019] Figure 3 The top structure schematic diagram of the stand column module unit in the utility model is shown in the figure.

[0020] Figure 4 The bottom structure schematic diagram of the stand column module unit in the utility model is shown in the figure.

[0021] Figure 5 The assembly schematic diagram of the base main body and the stand column module in the utility model is shown in the figure.

[0022] Figure 6 The assembly schematic diagram of the adjacent two stand column module units in the utility model is shown in the figure.

[0023] Figure 7 The structure schematic diagram of the cage ladder unit in the utility model is shown in the figure.

[0024] In the figure: 1, base module unit; 11, base main body; 12, top plate; 13, bottom plate; 2, stand column module unit; 21, stand column module; 22, upper connecting plate; 23, lower connecting plate; 3, cage ladder unit; 31, connecting frame; 32, protective cover; 33, mounting leg; 4, wave absorbing material mounting plate; 5, annular boss; 6, annular recess; 7, cage ladder mounting plate. DETAILED DESCRIPTION

[0025] The utility model will be further described in connection with the drawings, but the protection scope of the utility model is not limited to the following.

[0026] As Figures 1-7 shown, an L-shaped assembled quiet zone scanning frame stand column, including base module unit 1, stand column module unit 2, cage ladder unit 3.Base module unit 1 is L-shaped frame structure, and stand column module unit 2 is rectangular frame structure, and the stand column module unit 2 is provided with multiple, and the multiple stand column module unit 2 is detachably stacked on the top of base module unit 1 from bottom to top, and cage ladder unit 3 is arranged on the back of stand column module unit 2, and the front of base module unit 1 and the front of stand column module unit 2 are all provided with wave absorbing material.

[0027] The base module unit 1 is used as a bottom support, adopts an L-shaped structure design, can ensure the stability of the whole scanning frame column, prevents the scanning frame column from being eccentric and being prone to overturning, can adjust the height of the whole scanning frame column by disassembling or assembling different numbers of column module units 2, so that the scanning frame column can be applicable to different sizes of test sites, has higher universality and is convenient for transportation, and the cage ladder is convenient for workers to climb when disassembling or assembling the column unit module and can play a certain protection role.

[0028] As shown in Figure 2 , the base module unit 1 comprises a base body 11, a top plate 12 and a bottom plate 13. The base body 11 is an L-shaped frame structure, the top plate 12 is fixed on the top of the base body 11 by bolt connection or welding, and the bottom plate 13 is fixed on the bottom of the base body 11 by bolt connection or welding.

[0029] As shown in Figure 3 , the column module unit 2 comprises a column module 21, an upper connecting plate 22 and a lower connecting plate 23. The column module 21 is a rectangular frame structure, the upper connecting plate 22 is fixed on the top of the column module 21 by bolt connection or welding, and the lower connecting plate 23 is fixed on the bottom of the column module 21 by bolt connection or welding. When the column module unit 2 and the base module unit 1 are assembled, the adjacent lower connecting plates 23 and the top plates 12, and the adjacent lower connecting plates 23 and the upper connecting plates 22 are connected by bolts, and then a plurality of column module units 2 are detachably stacked on the top plate 12.

[0030] In the embodiment, the base body 11 and the column module 21 are both welded by rectangular tubes, so that the whole scanning frame column has light structure weight, good rigidity and low cost.

[0031] In order to further ensure the assembly precision and improve the structural stability when the column module unit 2 and the base module unit 1 are assembled, the embodiment adopts a butt joint design to realize assembly positioning and then fastening by bolts. Specifically, as shown in Figures 2-6 , annular bosses 5 are arranged on the top plate 12 and the upper connecting plate 22 by integral molding, and annular recesses 6 adapted to the annular bosses 5 are arranged on the lower connecting plate 23, so that when assembled, the adjacent lower connecting plates 23 and the top plates 12, and the adjacent lower connecting plates 23 and the upper connecting plates 22 are first embedded by the annular recesses 6 and the annular bosses 5, and then fastened and connected by bolts.

[0032] As shown in Figure 1As shown in the drawings, the wave-absorbing material mounting plate 4 is fixed on the front surface of the base body 11 and the front surface of the column module 21 by bolt connection or welding, and the wave-absorbing material is mounted on the wave-absorbing material mounting plate 4, so that the wave-absorbing material can cover the whole gantry column, the exposed metal in the direction of incoming wave is ensured during the test, the reflection of the gantry column is minimized, and the front surface of the base body 11 and the front surface of the column module 21 are the surfaces opposite to the direction of incoming wave during the test.

[0033] As shown in the drawings, Figure 7 The cage ladder unit 3 includes a connecting frame 31, a protective cover 32 and a mounting leg 33. The connecting frame 31 is welded by a rectangular tube and a round steel, the protective cover 32 is welded by a steel strip, the protective cover 32 and the mounting leg 33 are respectively mounted on the two sides of the connecting frame 31 by bolt connection or welding, and the cage ladder mounting plate 7 is mounted on the back surface of the column module 21 by bolt connection or welding. When the cage ladder unit 3 is mounted, the mounting leg 33 is fastened and connected on the cage ladder mounting plate 7 by bolts.

[0034] As shown in the drawings, Figure 1 Based on the structure of the L-shaped assembled quiet zone gantry column, the base module unit 1 of the utility model is designed in an L shape, so that the overall anti-overturning ability of the gantry column is strong, and the safety is high; a plurality of column module units 2 are sequentially stacked and assembled together, and the cage ladder unit 3 is mounted on the back surface of each column module unit 2, so that the standardized module design of the column module unit 2 and the cage ladder unit 3 is realized, and the overall structure is simple to manufacture, convenient to install and good in flexibility.

[0035] Finally, although the above description has shown and described the embodiments of the utility model, it can be understood by those skilled in the art that the embodiments can be changed, modified, replaced and changed in various ways without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An L-shaped assembled quiet zone scanning frame column, characterized in that: It includes a base module unit (1), a column module unit (2), and a cage ladder unit (3). The base module unit (1) is an L-shaped frame structure, and the column module unit (2) is a rectangular frame structure. There are multiple column module units (2). Multiple column module units (2) are stacked on the top of the base module unit (1) in a detachable manner from bottom to top. The cage ladder unit (3) is located on the back of the column module unit (2). The front of the base module unit (1) and the front of the column module unit (2) are both provided with wave-absorbing material.

2. The L-shaped assembled static zone scanning frame column according to claim 1, characterized in that: The base module unit (1) includes a base body (11), a top plate (12), and a bottom plate (13). The base body (11) is an L-shaped frame structure. The top plate (12) is located on the top of the base body (11), and the bottom plate (13) is located at the bottom of the base body (11). Multiple column module units (2) are detachably stacked on the top plate (12).

3. The L-shaped assembled static zone scanning frame column according to claim 2, characterized in that: The column module unit (2) includes a column module (21), an upper connecting plate (22), and a lower connecting plate (23). The column module (21) is a rectangular frame structure. The upper connecting plate (22) is located at the top of the column module (21), and the lower connecting plate (23) is located at the bottom of the column module (21). The adjacent lower connecting plates (23) and the top plate (12) are connected by bolts, as are the adjacent lower connecting plates (23) and the upper connecting plate (22).

4. The L-shaped assembled static zone scanning frame column according to claim 3, characterized in that: The base body (11) and the column module (21) are both welded from rectangular tubes.

5. The L-shaped assembled static zone scanning frame column according to claim 3, characterized in that: Both the front of the base body (11) and the front of the column module (21) are provided with a wave-absorbing material mounting plate (4), and the wave-absorbing material is placed on the wave-absorbing material mounting plate (4).

6. The L-shaped assembled static zone scanning frame column according to claim 3, characterized in that: Both the top plate (12) and the upper connecting plate (22) are provided with annular bosses (5), and the lower connecting plate (23) is provided with annular recesses (6) that are adapted to the annular bosses (5). The adjacent lower connecting plates (23) and the top plate (12), and the adjacent lower connecting plates (23) and the upper connecting plate (22) are fitted together by the annular recesses (6) and the annular bosses (5).

7. The L-shaped assembled static zone scanning frame column according to claim 3, characterized in that: The cage ladder unit (3) includes a connecting frame (31), a protective cover (32), and mounting legs (33). The connecting frame (31) is welded from rectangular tubes and round steel, and the protective cover (32) is welded from steel strips. The protective cover (32) and the mounting legs (33) are respectively located on both sides of the connecting frame (31). The back of the column module (21) is provided with a cage ladder mounting plate (7) connected to the mounting legs (33).

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