An adjustable antenna signal detection shielding device

Abstract

The application relates to the technical field of antenna signal detection, and specifically relates to an adjustable shielding device for antenna signal detection, which comprises a base, a supporting box, a shielding module and a quantitative lifting module. A horizontal rotating motor is arranged between the base and the supporting box to realize horizontal rotation adjustment; the shielding module is arranged at the top end of the supporting box, and a shielding body and a vertical rotating motor are arranged in the shielding module to realize vertical angle adjustment. The quantitative lifting module comprises a locking assembly, a multi-section supporting assembly and a winding height adjusting assembly, can accurately and quantitatively control the height of the shielding module, realizes alternate locking during lifting, and guarantees the stability and reliability of the adjustment process. The multi-section supporting assembly adopts a multi-stage telescopic structure, occupies a small space, and the winding height adjusting assembly realizes the lifting of the shielding module through a motor-driven connecting rope. The application has the advantages of compact structure, convenient operation, the ability to realize the dual adjustment of height and angle, and the ability to significantly improve the applicability and detection precision of the antenna signal detection shielding device.

Description

Technical Field

[0001] This invention relates to the field of antenna signal detection technology, specifically an adjustable shielding device for antenna signal detection. Background Technology

[0002] In the production and R&D of wireless communication equipment, it is crucial to accurately test various performance indicators of antennas (such as radiation pattern, gain, VSWR, and total radiated power). To eliminate electromagnetic interference signals from the external environment and ensure the accuracy and repeatability of test results, the testing process usually needs to be carried out in a specialized electromagnetically shielded environment.

[0003] Existing antenna testing shielding devices are mostly fixed structures, making height adjustment inconvenient. Furthermore, existing antenna signal detection shielding devices cannot be angle-adjusted, resulting in low applicability. Therefore, there is an urgent need to develop an adjustable antenna signal detection shielding device to overcome the shortcomings in current practical applications. Summary of the Invention

[0004] The purpose of this invention is to provide an adjustable shielding device for antenna signal detection to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: An adjustable antenna signal detection shielding device includes a support box; A base is provided on the outer side of the bottom end of the support box; A horizontal rotation motor is provided between the base and the support box, and the output shaft of the horizontal rotation motor is connected to the support box. A shielding module is provided on the outer top of the support box; A quantitative lifting module is provided between the shielding module and the support box. The quantitative lifting module is used to cooperate with the support box to quantitatively control the height of the shielding module. The quantitative lifting module includes a locking component, a multi-segment support component, and a winding height adjustment component; The multi-segment support assembly is slidably disposed on the outside of the shielding module. The multi-segment support assembly is fixedly connected to the support box. The multi-segment support assembly is used to adjust the support height through multi-segment telescopic movement. The locking component is disposed inside the support box and is connected to the multi-segment support component. The locking component is used to alternately lock the winding height adjustment component and the shielding module. The winding height adjustment component is mounted on the multi-segment support component and is connected to the shielding module.

[0006] As a further embodiment of the present invention: the multi-segment support assembly includes a first support plate, a control box, an air pump, a second support plate, a first control pipe, a third support plate, and a second control pipe; the first support plate is fixedly disposed on the outer side of the top of the support box; The control box is fixedly installed on the inner bottom of the first support plate; The air pump is fixedly installed on the top inner side of the support box, and the output end of the air pump is connected to the control box. The second support plate is slidably disposed inside the first support plate, and the inner side of the second support plate is provided with a first control groove; The first control tube is fixedly connected to the control box, and a first piston is provided on the outside of the first control tube. The first piston is slidably connected to the first control groove. The third support plate is slidably disposed inside the second support plate, and a second control groove is provided on the inner side of the third support plate; The second control tube is fixedly connected to the second support plate, passes through the control box, and is slidably connected to the box wall. A second piston is provided at one end of the second control tube, and the second piston is slidably connected to the second control groove. A transmission hole is provided on the other end of the second control tube wall. The transmission hole is used to connect the second control tube to the control box after the second support plate is raised, so as to drive the third support plate to rise. As a further embodiment of the present invention: the locking assembly includes a telescopic component, a control panel, a transmission frame, a connecting rod, a piston component, and a clamping assembly; The control panel is located inside the support box, and the control panel is connected to the support box via the telescopic component; The transmission control frame is located on the outside of the control panel; One end of the connecting rod is rotatably mounted on the transmission and control frame, and the other end of the connecting rod is rotatably connected to the control board; The piston components are symmetrically arranged on the outer top of the transmission frame; The clamping assembly is disposed inside the support box and is connected to the piston component, and is used to lock or unlock the shielding module under the drive of the piston component.

[0007] As a further aspect of the present invention: the clamping assembly includes a transmission box, a piston tube, a locking tube, and a locking element; The transmission box is symmetrically arranged inside the support box, and the transmission box is fixedly connected to the support box; The piston tube is fixedly mounted on the wall of the transmission box, and the piston tube is connected to the piston component on the adjacent side; The locking tube is fixedly installed on the box wall on one side opposite to the two transmission boxes; The locking element is slidably disposed inside the locking tube and is used to extend under the drive of the piston element to insert into the shielding module in order to lock the shielding module.

[0008] As a further embodiment of the present invention: the take-up height adjustment assembly includes a motor, a drive rod, a take-up roller, a protrusion, a stop block, a connecting rope, and a conveyor wheel; The motor is fixedly connected to the control board; The drive rod is fixedly connected to the output end of the motor; The take-up roller is disposed opposite to the inner side of the support box, and an insertion groove is provided on the inner side of the end of the take-up roller opposite to the drive rod. The protrusion is fixedly disposed on the outside of the drive rod; The stop block is fixedly installed on the groove wall of the insertion slot. The stop block cooperates with the protrusion to realize the synchronous rotation of the drive rod and the take-up roller. The connecting rope is wound around the outside of the take-up roller, and the other end of the connecting rope is fixedly connected to the shielding module, which is used to drive the shielding module to rise and fall under the drive of the take-up roller. The conveyor wheel is rotatably mounted on the top wall of the third support plate, and is used to support and guide the connecting rope.

[0009] As a further embodiment of the present invention: the shielding module includes a support frame, a shielding body, a longitudinal rotation motor, and a plug-in block; The support frame is disposed on the outside of the support box, and the top of the support frame is connected to the connecting rope. The shielding body is disposed inside the support frame; The shield body is symmetrically provided with rotating rods on the outside. One side of the rotating rod is rotatably connected to the support frame, and the other side of the rotating rod is connected to the output end of the longitudinal motor. The longitudinal rotation motor is fixedly connected to the support frame, and the longitudinal rotation motor is used to drive the shield body to rotate longitudinally; The plug-in block is fixedly disposed on the outer side of the bottom end of the support frame, and the plug-in block is provided with a locking groove that cooperates with the locking member.

[0010] As a further embodiment of the present invention: the shielding module further includes an auxiliary guide, a limiting guide block, and a limiting groove; The auxiliary guides are symmetrically arranged on the outside of the support frame, and the auxiliary guides are fixedly connected to the support frame; The limiting guide block is slidably disposed on the inner side of the auxiliary guide frame, and a spring is provided between the limiting guide block and the auxiliary guide frame; The limiting groove is disposed on the outer wall of the first support plate, the second support plate and the third support plate, and the limiting groove cooperates with the limiting guide block; the limiting guide block is used to slide along the limiting groove at the junction of each segment of the multi-segment support assembly to maintain the stability of the support frame.

[0011] As a further aspect of the present invention, it also includes: A positioning frame is slidably mounted on the third support plate, and a spring is provided between the third support plate and the positioning frame; A positioning wheel is rotatably mounted on the positioning frame and is located on the outer side of the top of the conveyor wheel.

[0012] Compared with the prior art, the beneficial effects of the present invention are: 1. Quantitatively adjustable height: By setting up multiple support components and winding height adjustment components, the height of the shielding module can be precisely and quantitatively adjusted to meet the needs of different antenna signal detection scenarios.

[0013] 2. Adjustable angle and strong applicability: The horizontal rotation motor realizes the horizontal rotation of the shielding module, and the vertical rotation motor realizes the vertical rotation of the shielding body, which significantly improves the angle adjustment capability of the shielding device and enhances the applicability and flexibility of the equipment.

[0014] 3. Compact structure and small footprint: The multi-section support components adopt a telescopic structure design, which can retract the equipment when not in use, reducing storage space and facilitating transportation and deployment.

[0015] 4. Reliable locking and stable lifting: The locking component can alternately lock the shielding module or the winding height adjustment component during height adjustment, and together with the auxiliary guide and limit guide block, ensures stability and safety during the lifting process.

[0016] 5. Easy to operate and precise control: The multi-segment support is pneumatically driven, and the winding height adjustment is driven by a motor. With the help of the control board and telescopic parts, automatic control is achieved, which is easy to operate and has high control precision. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of a shielding device for adjustable antenna signal detection.

[0018] Figure 2 This is a cross-sectional view of a shielding device for adjustable antenna signal detection.

[0019] Figure 3 This is a schematic diagram of the shielding module in an adjustable antenna signal detection shielding device.

[0020] Figure 4This is a cross-sectional view of the locking component in a shielding device for adjustable antenna signal detection.

[0021] Figure 5 This is a schematic diagram of the structure of a multi-segment support component in a shielding device for adjustable antenna signal detection.

[0022] Figure 6 for Figure 5 A magnified structural diagram of point A in the middle.

[0023] Figure 7 This is a schematic diagram of the winding and height adjustment component in a shielding device for adjustable antenna signal detection.

[0024] In the diagram: 1. Base; 2. Support box; 3. Shielding module; 4. Quantitative lifting module; 5. Horizontal motor; 6. Locking assembly; 7. Multi-section support assembly; 8. Rewinding and height adjustment assembly; 9. Telescopic component; 10. Control panel; 11. Connecting rod; 12. Transmission frame; 13. Piston tube; 14. Transmission box; 15. Piston component; 16. Locking tube; 17. Locking component; 18. Insertion block; 19. Support frame; 20. Shielding device body; 21. Vertical motor; 22. Auxiliary guide frame; 23. Limiting guide block; 24. Motor; 25. First support plate; 26. Control box; 27. Air pump; 28. First control pipe; 29. ​​Second support plate; 30. Third support plate; 31. Second control pipe; 32. Control hole; 33. Positioning frame; 34. Conveyor wheel; 35. Positioning wheel; 36. Drive rod; 37. Protrusion; 38. Take-up roller; 39. Insertion groove; 40. Stop block; 41. Connecting rope; 42. Limiting groove. Detailed Implementation

[0025] The technical solution of this application will be further described in detail below with reference to specific embodiments.

[0026] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0027] Please see Figure 1 and Figure 2In one embodiment of the present invention, an adjustable antenna signal detection shielding device includes: a support box 2; a base 1, the base 1 being disposed on the outer side of the bottom end of the support box 2, a horizontal rotation motor 5 fixedly connected to the base 1 being disposed between the base 1 and the support box 2, the output shaft of the horizontal rotation motor 5 being connected to the support box 2; a shielding module 3, the shielding module 3 being disposed on the outer side of the top end of the support box 2; and a quantitative lifting module 4, the quantitative lifting module 4 being disposed between the shielding module 3 and the support box 2, used to cooperate with the support box 2 to complete quantitative control of the height of the shielding module 3; wherein, the quantitative lifting module 4 includes: a locking component 6, a multi-segment support component 7, and a winding height adjustment component 8, the multi-segment support component 7 being slidably disposed on the outer side of the shielding module 3 and fixedly connected to the support box 2, the multi-segment support component 7 being connected to the locking component 6 disposed on the inner side of the support box 2, and the multi-segment support component 7 being further disposed on the winding height adjustment component 8 connected to the shielding module 3, the locking component 6 being able to complete the alternating locking of the winding height adjustment component 8 and the shielding module 3.

[0028] In this embodiment, when the device is running, the locking component 6 locks the shielding module 3, which releases the lock on the winding and height adjustment component 8. The multi-segment support component 7 extends and retracts to adjust the support height. After adjustment, the locking component 6 releases the lock on the shielding module 3 and enables the winding and height adjustment component 8 to operate. The winding and height adjustment component 8, in conjunction with the multi-segment support component 7, completes the precise adjustment of the height of the shielding module 3. The shielding module 3 can adjust the shielding direction longitudinally, and the horizontal rotation motor 5 can realize the horizontal rotation of the support box 2, thereby completing the precise control of the shielding position. By setting a quantitative lifting module 4, in conjunction with the shielding module 3, this application can not only quantitatively and precisely control the height of the shielding device, but also adjust the angle of the shielding device, greatly improving the applicability of the shielding device for antenna signal detection.

[0029] In one embodiment of the present invention, please refer to Figure 2 , Figure 5 and Figure 6The multi-segment support assembly 7 includes: a first support plate 25, a control box 26, an air pump 27, a first control pipe 28, a second support plate 29, a third support plate 30, a second control pipe 31, and a transmission hole 32. The first support plate 25 is fixedly disposed on the outer side of the top of the support box 2. The control box 26 is fixedly disposed on the bottom inner side of the first support plate 25. The air pump 27 is fixedly disposed on the top inner side of the support box 2, and the output end of the air pump 27 is connected to the control box 26. The second support plate 29 is disposed on the outer side of the top of the control box 26 and is slidably connected to the first support plate 25. A first control groove is disposed on the inner side of the second support plate 29. A first control pipe 28, which is fixedly connected to the control box 26, is disposed on the inner side of the first control groove. A first piston, which is slidably connected to the first control groove, is disposed on the outer side of the first control pipe 28. A third support plate 30 is slidably disposed on the inner side of the second support plate 29. A second control slot is provided, and the second control pipe 31 is fixedly connected to the second support plate 29 and passes through the control box 26, slidingly connected to the box wall of the control box 26. One end of the second control pipe 31 is provided with the inner side of the second control slot, and the outer side is provided with a second piston that is slidably connected to the second control slot. The other end of the second control pipe 31 is provided with a control hole 32, which is used to cooperate with the lifting of the second support plate 29 to realize the communication between the second control pipe 31 and the control box 26. In addition, the shell wall of the first support plate 25 is provided with a baffle for limiting the second support plate 29. The baffle can also complete the snap-fit ​​fixation of the second support plate 29 after it is lifted. Solenoid valves are fixedly provided on the inner sides of the first control pipe 28 and the second control pipe 31, which are used to lock the equipment after the second support plate 29 and the third support plate 30 are raised and lowered, ensuring the stability and reliability of the support.

[0030] In this embodiment, the air pump 27 delivers air into the inner side of the control box 26. The air entering the control box 26 first enters the inner side of the first control slot along the first control pipe 28, and cooperates with the first piston to lift the second support plate 29. The baffle set on the first support plate 25 limits the second support plate 29. Subsequently, the solenoid valve located inside the first control pipe 28 closes. During the upward movement of the second support plate 29, it will drive the second control pipe 31 to move upward synchronously. When the second support plate 29 is locked, the transmission hole 32 set on the second control pipe 31 is brought into the inner side of the control box 26. After that, the air entering the inner side of the control box 26 will enter the inner side of the second control pipe 31 along the transmission hole 32 and enter the second control slot, and cooperate with the second piston to lift the third support plate 30. By setting up a multi-segment support assembly 7 and using multi-segment extension, the space occupied by the equipment is greatly reduced, the convenience of the equipment during storage is enhanced, and the reliability and comprehensiveness of height adjustment are ensured.

[0031] In one embodiment of the present invention, please refer to Figure 2 and Figure 3The locking assembly 6 includes: a telescopic member 9, a control plate 10, a connecting rod 11, a transmission frame 12, a piston member 15, and a clamping assembly. The control plate 10 is located inside the support box 2 and is connected to the support box 2 via the telescopic member 9. The transmission frame 12 is located outside the control plate 10, and the connecting rod 11 is rotatably mounted on the transmission frame 12. The other end of the connecting rod 11 is rotatably connected to the control plate 10. Piston members 15 are symmetrically arranged on the outer side of the top of the transmission frame 12. The piston members 15 are connected to the clamping assembly located inside the support box 2 and are used to lock the shielding module 3 by cooperating with the lateral movement of the control plate 10.

[0032] In this embodiment, the piston component 15 includes a push rod fixedly disposed on the outer side of the top of the transmission frame 12 and a drive piston fixedly connected to the push rod. The drive piston is connected to the clamping assembly. The telescopic component 9 is an electric push rod. The telescopic component 9 drives the control board 10 to move. The control board 10 drives the transmission frame 12 to rise and fall through the connecting rod 11. The transmission frame 12 drives the piston component 15 to move upward, thereby driving the clamping assembly. The clamping assembly locks the shielding module 3, thereby enabling the multi-segment support assembly 7 to extend and retract stably.

[0033] In one embodiment of the present invention, please refer to Figure 4 The clamping assembly includes: piston tube 13, transmission box 14, locking tube 16 and locking element 17. The transmission box 14 is symmetrically arranged inside the support box 2 and fixedly connected to the support box 2. The piston tube 13 connected to the adjacent piston element 15 is fixedly arranged on the box wall of the transmission box 14. The locking tube 16 is fixedly arranged on the box wall of the two transmission boxes 14 on opposite sides. The locking element 17 is slidably arranged inside the locking tube 16 to cooperate with the lifting and lowering of the transmission control frame 12 to lock the shielding module 3.

[0034] In this embodiment, the locking component 17 includes a transmission piston slidably disposed inside the locking tube 16 and a locking rod fixedly connected to the transmission piston. After the transmission control frame 12 drives the piston component 15 to move upward inside the piston tube 13, the air in the transmission box 14 enters the inside of the locking tube 16, driving the locking component 17 to move. The locking component 17 is inserted into the shielding module 3 to complete the locking of the shielding module 3, so that the shielding module 3 can remain stable when the multi-segment support assembly 7 is raised and lowered, thereby ensuring the accuracy of subsequent height adjustment.

[0035] In one embodiment of the present invention, please refer to Figure 2 and Figure 7The winding height adjustment assembly 8 includes: a motor 24, a conveyor wheel 34, a drive rod 36, a protrusion 37, a winding roller 38, a splice groove 39, a stop block 40, and a connecting rope 41. The motor 24 is fixedly connected to the control board 10, and the output end of the motor 24 is fixedly connected to the drive rod 36. A winding roller 38, which is rotatably connected to the support box 2, is arranged opposite to the outside of the drive rod 36. A splice groove 39 is arranged on the inner side of the end of the winding roller 38 opposite to the drive rod 36. A stop block 40 is fixedly arranged on the groove wall of the splice groove 39. A protrusion 37 is fixedly arranged on the outside of the drive rod 36 to cooperate with the stop block 40 to realize the synchronous rotation of the drive rod 36 and the winding roller 38. A connecting rope 41 is wound around the outside of the winding roller 38. The other end of the connecting rope 41 is fixedly connected to the shielding module 3. A conveyor wheel 34 for supporting the connecting rope 41 is rotatably arranged on the top wall of the third support plate 30.

[0036] In this embodiment, when the shielding module 3 is locked, the take-up roller 38 can rotate. When the third support plate 30 or the second support plate 29 is raised, the conveyor wheel 34 will move upward synchronously to complete the unfolding of the connecting rope 41. During the height adjustment process, the control plate 10 moves to release the lock on the shielding module 3, the drive rod 36 is inserted into the inner side of the insertion slot 39, the motor 24 drives the drive rod 36 to rotate, and the drive rod 36 drives the take-up roller 38 to rotate through the protrusion 37 and the stop block 40. The take-up roller 38 completes the winding of the connecting rope 41, realizing the lifting and lowering of the shielding module 3. The conveyor wheel 34 set on the third support plate 30 ensures the stability of the connecting rope 41 when moving.

[0037] In one embodiment of the present invention, please refer to Figure 2 The shielding module 3 includes: a plug-in block 18, a support frame 19, a shielding body 20, and a longitudinal rotation motor 21. The support frame 19 is located on the outside of the support box 2, and its top end is connected to the connecting rope 41. The shielding body 20 is located on the inside of the support frame 19. Rotating rods are symmetrically arranged on the outside of the shielding body 20. One rotating rod is rotatably connected to the support frame 19, and the other rotating rod is connected to the output end of the longitudinal rotation motor 21. The longitudinal rotation motor 21 is fixedly connected to the support frame 19. A plug-in block 18 is fixedly arranged on the outside of the bottom end of the support frame 19. The plug-in block 18 is provided with a locking groove that cooperates with the locking member 17.

[0038] In this embodiment, when the support frame 19 rests on the support box 2, the plug-in block 18 is inserted into the inside of the support box 2, and the locking groove on the plug-in block 18 is opposite to the locking member 17. The locking component 6 cooperates with the plug-in block 18 to lock the support frame 19. When adjusting the height, the connecting rope 41 drives the support frame 19 to move upward, and the support frame 19 drives the shield body 20 to move up and down synchronously. The longitudinal motor 21 can realize the longitudinal rotation of the shield body 20 through the rotating rod, and the transverse motor 5 can realize the transverse rotation of the shield body 20 through the support box 2, thereby accurately completing the angle adjustment of the shield body 20, which greatly improves the applicability of the shielding device for antenna signal detection.

[0039] In one embodiment of the present invention, please refer to Figure 2 and Figure 3 The shielding module 3 further includes: an auxiliary guide frame 22 and a limiting guide block 23. The auxiliary guide frame 22 is symmetrically arranged on the outside of the support frame 19 and is fixedly connected to the support frame 19. A plurality of limiting guide blocks 23 are arranged longitudinally and equidistantly on the inner side of the other end of the auxiliary guide frame 22. The limiting guide blocks 23 are slidably connected to the auxiliary guide frame 22. A spring is fixedly arranged between the limiting guide blocks 23 and the auxiliary guide frame 22. The outer walls of the first support plate 25, the second support plate 29 and the third support plate 30 are all provided with limiting grooves 42 that cooperate with the limiting guide blocks 23.

[0040] In this embodiment, when the support frame 19 moves upward, the support frame 19 drives the auxiliary guide 22 to move upward synchronously. When it moves to the junction of the first support plate 25 and the second support plate 29 or the junction of the second support plate 29 and the third support plate 30, the upper limiting guide block 23 completes the switching first, and then the lower limiting guide block 23 performs the corresponding switching, so that the support frame 19 can remain stable during the switching process and ensure the smooth progress of the lifting process.

[0041] In one embodiment of the present invention, please refer to Figure 5 and Figure 6 It also includes: a positioning frame 33 and a positioning wheel 35. The positioning frame 33 is provided on the outer side of the conveying wheel 34. The positioning frame 33 is slidably connected to the third support plate 30. A spring is fixedly provided between the third support plate 30 and the positioning frame 33. The positioning wheel 35 is rotatably provided on the positioning frame 33. The positioning wheel 35 is provided on the outer side of the top of the conveying wheel 34 and is used to cooperate with the conveying wheel 34 to limit and guide the connecting rope 41.

[0042] The above are merely preferred embodiments of the present invention. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these should also be considered within the scope of protection of the present invention. These will not affect the effectiveness of the implementation of the present invention or the practicality of the patent.

Claims

1. An adjustable antenna signal detection shielding device, comprising a support box, characterized in that, A base is provided on the outer side of the bottom end of the support box; A horizontal rotation motor is provided between the base and the support box, and the output shaft of the horizontal rotation motor is connected to the support box. A shielding module is provided on the outer top of the support box; A quantitative lifting module is provided between the shielding module and the support box. The quantitative lifting module is used to cooperate with the support box to quantitatively control the height of the shielding module. The quantitative lifting module includes a locking component, a multi-segment support component, and a winding height adjustment component; The multi-segment support assembly is slidably disposed on the outside of the shielding module. The multi-segment support assembly is fixedly connected to the support box. The multi-segment support assembly is used to adjust the support height through multi-segment telescopic movement. The locking component is disposed inside the support box and is connected to the multi-segment support component. The locking component is used to alternately lock the winding height adjustment component and the shielding module. The winding height adjustment component is mounted on the multi-segment support component and is connected to the shielding module.

2. The adjustable antenna signal detection shielding device according to claim 1, characterized in that, The multi-segment support assembly includes a first support plate, a control box, an air pump, a second support plate, a first control pipe, a third support plate, and a second control pipe; the first support plate is fixedly disposed on the outer side of the top of the support box; The control box is fixedly installed on the inner bottom of the first support plate; The air pump is fixedly installed on the top inner side of the support box, and the output end of the air pump is connected to the control box. The second support plate is slidably disposed inside the first support plate, and the inner side of the second support plate is provided with a first control groove; The first control tube is fixedly connected to the control box, and a first piston is provided on the outside of the first control tube. The first piston is slidably connected to the first control groove. The third support plate is slidably disposed inside the second support plate, and a second control groove is provided on the inner side of the third support plate; The second control tube is fixedly connected to the second support plate. The second control tube passes through the control box and is slidably connected to the box wall of the control box. A second piston is provided at one end of the second control tube. The second piston is slidably connected to the second control groove. A transmission hole is provided on the other end of the tube wall of the second control tube. The transmission hole is used to connect the second control tube with the control box after the second support plate is raised, so as to drive the third support plate to be raised.

3. The adjustable antenna signal detection shielding device according to claim 2, characterized in that, The locking assembly includes a telescopic component, a control panel, a transmission frame, a connecting rod, a piston component, and a clamping assembly; The control panel is located inside the support box, and the control panel is connected to the support box through the telescopic component; The transmission control frame is located on the outside of the control panel; One end of the connecting rod is rotatably mounted on the transmission and control frame, and the other end of the connecting rod is rotatably connected to the control board; The piston components are symmetrically arranged on the outer top of the transmission frame; The clamping assembly is disposed inside the support box and is connected to the piston component, and is used to lock or unlock the shielding module under the drive of the piston component.

4. The adjustable antenna signal detection shielding device according to claim 3, characterized in that, The clamping assembly includes a transmission box, a piston tube, a locking tube, and a locking element; The transmission box is symmetrically arranged inside the support box, and the transmission box is fixedly connected to the support box; The piston tube is fixedly mounted on the wall of the transmission box, and the piston tube is connected to the piston component on the adjacent side; The locking tube is fixedly installed on the box wall on one side opposite to the two transmission boxes; The locking element is slidably disposed inside the locking tube and is used to extend under the drive of the piston element to insert into the shielding module in order to lock the shielding module.

5. The adjustable antenna signal detection shielding device according to claim 4, characterized in that, The take-up height adjustment assembly includes a motor, a drive rod, a take-up roller, a protrusion, a stop block, a connecting rope, and a conveyor wheel; The motor is fixedly connected to the control board; The drive rod is fixedly connected to the output end of the motor; The take-up roller is disposed opposite to the inner side of the support box, and an insertion groove is provided on the inner side of the end of the take-up roller opposite to the drive rod. The protrusion is fixedly disposed on the outside of the drive rod; The stop block is fixedly installed on the groove wall of the insertion slot. The stop block cooperates with the protrusion to realize the synchronous rotation of the drive rod and the take-up roller. The connecting rope is wound around the outside of the take-up roller, and the other end of the connecting rope is fixedly connected to the shielding module, which is used to drive the shielding module to rise and fall under the drive of the take-up roller. The conveyor wheel is rotatably mounted on the top wall of the third support plate, and is used to support and guide the connecting rope.

6. The adjustable antenna signal detection shielding device according to claim 1, characterized in that, The shielding module includes a support frame, a shielding body, a longitudinal rotation motor, and a plug-in block; The support frame is located on the outside of the support box, and the top of the support frame is connected to the connecting rope. The shielding body is disposed inside the support frame; The shield body is symmetrically provided with rotating rods on the outside. One side of the rotating rod is rotatably connected to the support frame, and the other side of the rotating rod is connected to the output end of the longitudinal motor. The longitudinal rotation motor is fixedly connected to the support frame, and the longitudinal rotation motor is used to drive the shield body to rotate longitudinally; The plug block is fixedly installed on the outer side of the bottom end of the support frame, and the plug block is provided with a locking groove that cooperates with the locking member.

7. The adjustable antenna signal detection shielding device according to claim 6, characterized in that, The shielding module also includes an auxiliary guide, a limiting guide block, and a limiting groove; The auxiliary guides are symmetrically arranged on the outside of the support frame, and the auxiliary guides are fixedly connected to the support frame; The limiting guide block is slidably disposed on the inner side of the auxiliary guide frame, and a spring is provided between the limiting guide block and the auxiliary guide frame; The limiting groove is disposed on the outer wall of the first support plate, the second support plate and the third support plate, and the limiting groove cooperates with the limiting guide block; the limiting guide block is used to slide along the limiting groove at the junction of each segment of the multi-segment support assembly to maintain the stability of the support frame.

8. The adjustable antenna signal detection shielding device according to claim 1, characterized in that, Also includes: A positioning frame is slidably mounted on the third support plate, and a spring is provided between the third support plate and the positioning frame; A positioning wheel is rotatably mounted on the positioning frame and is located on the outer side of the top of the conveyor wheel.

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