A large spherical antenna cover inner calibration antenna fast lifting device
The curved conveyor belt device, which combines a base, a top mount, and a transfer mount, solves the problem of difficult antenna maintenance inside a large spherical radome, enabling convenient installation and maintenance of the antenna and improving maintenance efficiency.
Patent Information
- Application Number
- CN202211179997.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-09-27
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2042-09-27
AI Technical Summary
Inside a large spherical radome, the maintenance and replacement of calibration antennas are difficult to achieve, especially the calibration antenna at the top of the sphere, which cannot be repaired by scaffolding due to equipment obstruction.
The system uses a base, top seat, conveyor belt, and transfer seat to install, maintain, and replace the calibration antenna via a curved conveyor. The transfer wheel and pressure wheel limit the conveyor belt, and the guide seat and locking structure ensure the stability of the conveyor.
It enables convenient installation and maintenance of the calibration antenna inside a large spherical radome, avoids equipment obstruction, and improves maintenance efficiency.
Smart Images
Figure CN115548630B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the field of spaceflight measurement and control technology, in particular to a large-scale spherical antenna cover inner calibration antenna quick lifting device. BACKGROUND
[0002] Most of the calibration antennas used in large-scale spherical antenna covers are fixed on the inner wall of the antenna cover and connected with processing equipment through cables, the diameter of the large-scale spherical antenna cover is from ten meters to forty or fifty meters, and the calibration antenna is usually fixed on the inner wall during antenna cover installation and construction, so it is very difficult to maintain the calibration antenna during system use because the calibration antenna is too high from the ground.
[0003] A common method is to set up a scaffold and personnel climb the scaffold to maintain the calibration antenna, but the calibration antenna at a low position in the spherical antenna cover can be maintained only, and the calibration antenna at a spherical top position cannot be maintained because the antenna equipment in the sphere blocks the scaffold. SUMMARY
[0004] The application provides a large-scale spherical antenna cover inner calibration antenna quick lifting device to solve the above problems, the bottom base, the top base and the plurality of transfer bases are used in cooperation to realize curve transmission, and the installation, maintenance and replacement of the calibration antenna in the large-scale spherical antenna cover are facilitated.
[0005] The technical scheme adopted by the application is as follows:
[0006] A large-scale spherical antenna cover inner calibration antenna quick lifting device, which comprises a bottom base, a bottom wheel rotatably arranged on the bottom base, a top base, a top wheel rotatably arranged on the top base and a conveying belt arranged between the bottom base and the top base by means of the bottom wheel and the top wheel, the conveying belt has the freedom of circular motion by means of the bottom wheel and the top wheel, the bottom base and the top base are respectively fixed on the inner wall of an antenna cover, and the device further comprises a transfer base arranged between the bottom base and the top base, a transfer wheel rotatably arranged on the transfer base and a pressing wheel, the conveying belt passes between the transfer wheel and the pressing wheel, the transfer base is fixed on the inner wall of the antenna cover, and the distance between the transfer wheel and the pressing wheel is matched with the thickness of the conveying belt.
[0007] The transfer base is further provided with a transfer fixing frame, the transfer fixing frame has a U-shaped structure, and the transfer wheel and the pressing wheel are sequentially arranged on the inner side of the transfer fixing frame from inside to outside.
[0008] The side of the transfer fixing frame, which faces the movement direction of the conveying belt, is provided with a transfer guide base, the transfer guide base has a C-shaped structure and its opening end is bent inward, and the conveying belt passes through the inner side of the transfer guide base.
[0009] The conveying belt is provided with an antenna fixing base, and the antenna fixing base has an I-shaped structure.
[0010] The cable fixing clamp is provided with a groove matched with the size of the cable, and the opening width of the groove is smaller than the width of the inner side of the groove.
[0011] The upper mounting frame is provided with an upper guide seat on the side facing the transfer seat, the upper guide seat is in a C-shaped structure and its opening end is bent inward, and the conveying belt passes through the inner side of the upper guide seat.
[0012] The upper guide seat is further provided with a locking structure for locking the antenna fixing seat.
[0013] The locking structure is a limiting clamping seat with a clamping groove, the opening position of the clamping groove is smaller than the width of the inner side of the clamping groove, and the antenna fixing seat is clamped into the limiting clamping seat.
[0014] The beneficial effects of the present application are:
[0015] 1. The overall structure of the present application is simple and light, and the number of transfer seats can be selected according to actual needs.
[0016] 2. The present application can realize the curved surface conveying of the calibration antenna in the large spherical antenna cover through the cooperation of the base, the transfer seat, the top seat and the conveying belt, which facilitates the installation, maintenance and replacement of the calibration antenna.
[0017] 3. The present application adopts curved conveying, which avoids the obstruction of other equipment of the large spherical antenna cover. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is a structural schematic diagram of the present application;
[0019] Figure 2 is a structural schematic diagram of the transfer seat;
[0020] Figure 3 is a structural schematic diagram of the transfer guide seat;
[0021] Figure 4 is a structural schematic diagram of the top seat;
[0022] Figure 5 is a structural schematic diagram of the limiting clamping seat.
[0023] In the figure: 1, base, 2, bottom wheel, 3, top seat, 4, top wheel, 5, conveying belt, 6, transfer seat, 7, transfer wheel, 8, pressing wheel, 9, transfer fixing frame, 10, transfer guide seat, 11, antenna fixing seat, 12, cable fixing clamp, 13, upper mounting frame, 14, upper guide seat, 15, limiting clamping seat. DETAILED DESCRIPTION
[0024] A large spherical antenna cover calibration antenna rapid lifting device,Figures 1-5 As shown in the drawings, the device comprises a base 1, a bottom wheel 2 rotatably arranged on the base 1, a top base 3, a top wheel 4 rotatably arranged on the top base 3, and a conveying belt 5 arranged between the base 1 and the top base 3 by means of the bottom wheel 2 and the top wheel 4, the conveying belt 5 has the freedom of circular motion by means of the bottom wheel 2 and the top wheel 4, the base 1 and the top base 3 are fixed on the inner wall of the radome respectively, further comprising a transfer base 6 arranged between the base 1 and the top base 3, a transfer wheel 7 rotatably arranged on the transfer base 6, and a compression wheel 8, the conveying belt 5 passes between the transfer wheel 7 and the compression wheel 8, the transfer base 6 is fixed on the inner wall of the radome, and the distance between the transfer wheel 7 and the compression wheel 8 is adapted to the thickness of the conveying belt 5.
[0025] In use, the base 1 is fixed on the inner wall of the spherical radome or the ground, and the top base 3 is fixed on the installation position of the calibration antenna on the inner wall of the spherical radome, at this time, if the conveying belt 5 is installed, it will be straight conveying and will be hindered and limited by other equipment in the spherical radome, so the number of transfer bases 6 needs to be selected according to the distance, and a plurality of transfer bases 6 are installed between the base 1 and the top base 3 to realize curved conveying, the compression wheel 8 on the transfer base 6 can limit the conveying belt 5 to prevent the conveying belt from being separated from the transfer wheel 7.
[0026] As shown in the drawings, the transfer base 6 is further provided with a transfer fixing frame 9, the transfer fixing frame 9 is in a U-shaped structure, and the transfer wheel 7 and the compression wheel 8 are sequentially arranged inside the transfer fixing frame 9 from inside to outside. Figure 2 The compression wheel 8 is symmetrically arranged in two parts, respectively arranged on the inside of the opening end of the transfer fixing frame 9, and the transfer wheel 7 is arranged inside the compression wheel 8, the transfer base 6 and the transfer fixing frame 9 are adjustably connected, which is convenient for adjusting the angle when installed on the curved inner wall of the spherical radome.
[0027] As shown in the drawings, the side of the transfer fixing frame 9 facing the movement direction of the conveying belt is provided with a transfer guide seat 10, the transfer guide seat 10 is in a C-shaped structure and its opening end is bent inward, and the conveying belt 5 passes through the inside of the transfer guide seat 10.
[0028] Figure 2 The transfer guide seat 10 further guides and limits the conveying belt 5 to prevent the conveying belt 5 from falling off or deviating from the gap between the compression wheels 8.
[0029] As shown in the drawings, the conveying belt 5 is provided with an antenna fixing base 11, and the antenna fixing base 11 is in an I-shaped structure.
[0030] As shown in the drawings, the conveying belt 5 is provided with an antenna fixing base 11, and the antenna fixing base 11 is in an I-shaped structure. Figure 1
[0031] The antenna fixing base 11 is in the shape of an I, including a bottom plate fixed on the surface of the conveying belt, a fixing table for fixing the antenna, and a vertical plate fixed between the bottom plate and the fixing table. The vertical plate is a plate structure arranged vertically, which can reduce the requirements for the distance between the pinch rollers 8 and the size of the opening of the transfer guide base 10, and reduce the risk of the conveying belt 5 falling off and deviating.
[0032] As shown in Figure 1 , the conveying belt 5 is also provided with a cable fixing clamp 12, and the cable fixing clamp 12 is provided with a groove matched with the size of the cable and the opening width of the groove is smaller than the width of the inside of the groove.
[0033] The cable fixing clamp 12 can clamp the cable of the antenna, limit and clamp the cable, and prevent the cable from shaking dangerously during conveying or use.
[0034] As shown in Figure 4 , the top seat 3 is provided with an upper mounting rack 13 in a U-shaped structure, and the upper mounting rack 13 is provided with an upper guide base 14 on the side facing the transfer base 6. The upper guide base 14 is in a C-shaped structure and its opening end is bent inward, and the conveying belt 5 passes through the inside of the upper guide base 14.
[0035] The top seat 3 and the upper mounting rack 13 are adjustably connected, which is convenient for adjusting the angle during installation. The upper guide base 14 has the same structure as the transfer guide base 10, and further limits and guides the conveying belt 5.
[0036] As shown in Figure 4 , the upper guide base 14 is also provided with a locking structure for locking the antenna fixing base 11.
[0037] When the antenna is conveyed to the predetermined position, the antenna fixing base 11 is locked by the locking structure, which prevents the antenna from shaking during use. At the same time, the bottom wheels 2 can also be further locked by the base 1.
[0038] As shown in Figure 5 , the locking structure is a limiting clamp 15 with a clamping groove, and the width of the opening position of the clamping groove is smaller than the width of the inside of the clamping groove. The antenna fixing base 11 is clamped into the limiting clamp 15.
[0039] The limiting clamp 15 is made of elastic material and has a simple structure. When the vertical plate of the antenna fixing base 11 moves into the limiting clamp 15, it will be clamped by the limiting clamp 15, achieving locking and fixing.
Claims
1. A large spherical antenna cover inner calibration antenna quick lifting device, comprising a base (1), a bottom wheel (2) rotatably arranged on the base (1), a top base (3), a top wheel (4) rotatably arranged on the top base (3), and a conveyor belt (5) arranged between the base (1) and the top base (3) by means of the bottom wheel (2) and the top wheel (4), the conveyor belt (5) having the freedom of circular motion by means of the bottom wheel (2) and the top wheel (4), and the base (1) and the top base (3) being fixed on the inner wall of the antenna cover respectively; characterized in that: It further comprises a transfer seat (6) arranged between the base (1) and the top seat (3), a transfer wheel (7) and a pressing wheel (8) arranged on the transfer seat (6) and rotating, the conveying belt (5) passing between the transfer wheel (7) and the pressing wheel (8), the transfer seat (6) being fixed to the inner wall of the radome, the distance between the transfer wheel (7) and the pressing wheel (8) being adapted to the thickness of the conveying belt (5); The transfer seat (6) is further provided with a transfer fixing frame (9), the transfer fixing frame (9) being in a U-shaped structure, the transfer wheel (7) and the pressing wheel (8) being arranged in the inside of the transfer fixing frame (9) from inside to outside. The conveying belt (5) is provided with an antenna fixing seat (11), the antenna fixing seat (11) being in an I-shaped structure.
2. The antenna calibration and fast lifting device in a large spherical antenna cover according to claim 1, characterized in that: The transfer fixing frame (9) is provided with a transfer guide seat (10) on the side facing the movement direction of the conveying belt, the transfer guide seat (10) being in a C-shaped structure and its opening end being bent inward, the conveying belt (5) passing through the inside of the transfer guide seat (10).
3. The antenna fast lifting device for inner calibration of a large spherical antenna cover according to claim 1, characterized in that: The conveying belt (5) is further provided with a cable fixing clamp (12), the cable fixing clamp (12) being provided with a groove adapted to the size of the cable and the opening width of the groove being smaller than the width of the inside of the groove.
4. The antenna fast lifting device for inner calibration of a large spherical antenna cover according to claim 1, characterized in that: The top seat (3) is provided with an upper mounting frame (13) in a U-shaped structure, the upper mounting frame (13) being provided with an upper guide seat (14) on the side facing the transfer seat (6), the upper guide seat (14) being in a C-shaped structure and its opening end being bent inward, the conveying belt (5) passing through the inside of the upper guide seat (14).
5. A large spherical antenna inner calibration antenna quick lifting device according to claim 4, characterized in that: The upper guide seat (14) is further provided with a locking structure, the locking structure being used for locking the antenna fixing seat (11).
6. A large spherical antenna inner calibration antenna quick lifting device according to claim 5, characterized in that: The locking structure is a limiting clamp (15) with a clamping groove, the width of the opening position of the clamping groove being smaller than the width of the inside of the clamping groove, the antenna fixing seat (11) being clamped into the limiting clamp (15).
Citation Information
Patent Citations
Rapid lifting device for calibration antenna in large spherical radome
CN218160780U