Anti-theft and anti-disassembly Beidou antenna mounting device and mounting method thereof

Abstract

The invention discloses an anti-theft and anti-disassembly Beidou antenna installation device and an installation method thereof, and relates to the technical field of automobile vehicle-mounted antennae, the anti-theft and anti-disassembly Beidou antenna installation device comprises an automobile top plate, and further comprises an assembling device, a supporting device and a protection device.An installation frame is fixedly installed at the bottom of the automobile top plate, and an installation plate is slidably installed on the inner wall of the installation frame; an antenna body is arranged in the mounting frame, a mounting groove is formed in the surface of the antenna body, a wiring hole is formed in the surface of the antenna body, the assembling device comprises a mounting hole, a limiting frame, a limiting rod, a protection hole, a placement groove, a placement rod and a T-shaped rod, and the mounting plate moves upwards to drive the antenna body to move upwards to pop out the antenna body. The T-shaped rod can effectively reduce the looseness of the antenna body caused by human mistaken touch or external impact, and ensures that the antenna body is kept at a correct position, thereby reducing the risk of accidental disassembly.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicle-mounted antennas, and in particular to a theft-proof Beidou antenna installation device and an installation method thereof. Background Art

[0002] The anti-theft and disassembly Beidou antenna installation device usually consists of the antenna body, a fixing bracket, a signal line and an anti-interference device.

[0003] The patent with the patent announcement number CN213212360U relates to an anti-theft Beidou antenna installation device, including a bracket body and a connector, characterized in that the bracket body includes a first branch, the first branch is provided with a first mounting hole, the Beidou antenna passes through the first mounting hole from the lower side of the first branch upward, the Beidou antenna connecting component is connected to the lower side of the first branch through the connector to fix the Beidou antenna, the connector is enclosed inside the bracket body, and the bracket body is fixedly connected to the car body. The anti-theft Beidou antenna installation device provided by the patent can hide the connecting component that fixes the Beidou antenna inside the bracket, and the connector fixes the Beidou antenna to the mounting bracket inside the bracket. The Beidou antenna can be disassembled from the inside of the car, but cannot be disassembled from the outside of the car, thereby achieving an anti-theft effect.

[0004] In the above patent, the connecting parts for fixing the Beidou antenna can be hidden inside the bracket. The connecting parts fix the Beidou antenna on the mounting bracket inside the bracket. The Beidou antenna can be disassembled from the inside of the car, but cannot be disassembled from the outside of the car, thereby achieving an anti-theft effect. However, it is difficult to prevent the antenna body from being accidentally disassembled due to human error. Accidental disassembly of the antenna body will cause the interruption of satellite signal reception, thereby affecting the reliability and positioning efficiency of the equipment. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides an anti-theft and disassembly Beidou antenna installation device and an installation method thereof, which solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: an anti-theft and disassembly Beidou antenna installation device, including a car roof, and also including an assembly device, a supporting device and a protective device, wherein a mounting frame is fixedly installed at the bottom of the car roof, a mounting plate is slidably installed on the inner wall of the mounting frame, an antenna body is arranged inside the mounting frame, a mounting groove is provided on the surface of the antenna body, and a wiring hole is provided on the surface of the antenna body, wherein the assembly device includes a mounting hole, a limit frame, a limit rod, a protective hole, a placement groove, a placement rod and a T-shaped rod, and the limit rod moves in a direction away from the mounting frame to break away from the contact with the mounting groove and release the antenna body The mounting plate moves upward to drive the antenna body to move upward to pop out the antenna body, the mounting hole is arranged on the circumferential surface of the mounting frame, the limiting frame is fixedly installed on the circumferential surface of the mounting frame, the limiting rod slides through the inner and outer walls of the limiting frame, the protection hole is arranged on the surface of the limiting rod, the placement groove is arranged on the bottom of the automobile roof, the placement rod is fixedly installed on the inner wall of the placement groove, and the T-shaped rod is slidably installed on the circumferential surface of the placement rod, wherein the supporting device comprises a U-shaped rod, a supporting plate and a supporting rod, the U-shaped rod slides through the upper and lower walls of the automobile roof, the supporting plate is fixedly installed on the top of the automobile roof, and the support rod slides through the left and right walls of the support plate.

[0007] According to the above technical solution, a No. 1 spring is arranged between the mounting plate and the mounting frame, one end of the No. 1 spring is arranged at the bottom of the mounting plate and the other end is arranged at the bottom of the inner wall of the mounting frame. The No. 1 spring can be used to drive the mounting plate to reset, and the limit rod contacts the inner wall of the mounting hole, and the limit rod contacts the inner wall of the mounting groove.

[0008] According to the above technical solution, a No. 2 spring is arranged between the limit frame and the limit rod, and the No. 2 spring can drive the limit rod to reset. A No. 3 spring is arranged between the placement rod and the T-shaped rod, and the No. 3 spring can drive the T-shaped rod to reset. The T-shaped rod contacts the inner wall of the protection hole.

[0009] According to the above technical solution, the support device also includes a support frame, an arc panel and a linkage plate. The support frame moves in a direction close to the antenna body to drive the arc panel to move. The arc panel moves to contact the antenna body and squeezes the antenna body to assist in fixing it. The support frame is fixedly installed at both ends of the support rod, the arc panel is fixedly installed on the side of the support frame away from the U-shaped rod, and the linkage plate is fixedly installed on the front side of the support frame.

[0010] According to the above technical solution, a curved panel is fixedly installed on the top of the car roof, and the antenna body can be auxiliary fixed by the curved panel. A No. 4 spring is arranged between the U-shaped rod and the car roof, and the No. 4 spring can drive the U-shaped rod to reset. A No. 5 spring is arranged between the support plate and the support rod, and the No. 5 spring can drive the support rod to reset. The elastic coefficient of the No. 4 spring is greater than that of the No. 5 spring.

[0011] According to the above technical scheme, the protection device includes a detection frame, a detection plate, a detection rod, a stabilizing plate, a protective frame, a protective plate, a protective rod, a movable plate and a connecting hole. The movement of the protective rod drives the movement of the movable plate. The movement of the movable plate blocks the wiring hole to ensure that the antenna body can be wired only after the installation is stable. The detection frame is fixedly installed at the bottom of the car roof, the detection plate is slidably installed on the inner wall of the detection frame, the detection rod is fixedly installed on the top of the detection plate, the stabilizing plate is fixedly installed on the circumferential surface of the installation frame, the protective frame is fixedly passed through the left and right walls of the stabilizing plate, the protective plate is slidably installed on the inner wall of the protective frame, the protective rod is fixedly installed on the side of the protective plate close to the stabilizing plate, the movable plate is fixedly installed on the end of the protective rod close to the wiring hole, and the connecting hole is opened on the surface of the movable plate.

[0012] According to the above technical solution, a No. 6 spring is arranged between the detection plate and the detection frame, and the No. 6 spring can drive the detection plate to reset. Liquid is arranged inside the detection frame, and a hose is arranged between the detection frame and the protective frame through the hose.

[0013] According to the above technical solution, liquid is arranged inside the protection frame, a connection hole is opened on the circumferential surface of the installation frame, the movable plate contacts the connection hole, and the liquid inside the detection frame is squeezed by the detection plate and enters the protection frame through the hose.

[0014] A method for installing a Beidou antenna installation device to prevent theft and dismantling, comprising the following steps: Step 1: When the antenna body needs to be installed, first manually pull the T-shaped rod away from the limit rod, so that the T-shaped rod moves out of contact with the protection hole and releases the limit on the limit rod; Step 2: After the limit of the limit rod is released, manually pull the limit rod to move away from the installation frame, and at the same time place the antenna body into the installation frame and push the antenna body downward; Step 3: The antenna body moves downward to contact the mounting plate and squeeze the mounting plate. The mounting plate moves downward due to the squeezing of the antenna body. The antenna body continues to move downward so that the mounting groove is aligned with the limiting rod. Step 4: After the limit rod is aligned with the installation slot, release the limit rod so that the limit rod moves toward the installation slot under the elastic force of the second spring. The limit rod moves toward the installation slot and contacts the inner wall of the installation slot to limit the antenna body and complete the installation of the antenna body.

[0015] The present invention provides a Beidou antenna installation device that is anti-theft and anti-disassembly. It has the following beneficial effects: (1) The invention sets the disassembly part of the antenna body inside the vehicle, which can effectively reduce the physical intervention of the theft on the antenna body. By manually pulling the T-shaped rod in the direction away from the limit rod, the T-shaped rod moves out of contact with the protection hole and releases the limit on the limit rod. During the operation of the antenna body, the T-shaped rod can effectively reduce the loosening of the antenna body due to human error or external impact, ensuring that the antenna body remains in the correct position, thereby reducing the risk of accidental disassembly. After the limit of the antenna body is released, the mounting plate moves upward under the elastic force of the No. 1 spring, and the upward movement of the mounting plate drives the antenna body to move upward and eject the antenna body. If the antenna body fails or is damaged, the convenient disassembly can make replacement or repair of parts faster and more efficient.

[0016] (2) The invention drives the support frame and the linkage plate to move by moving the support rod away from the antenna body. The movement of the support frame drives the arc panel to move and break away from the contact with the antenna body. The movement of the arc panel breaks away from the contact with the antenna body, which makes it easier to disassemble the antenna body. The support frame drives the arc panel to move in the direction close to the antenna body. The arc panel moves and contacts the antenna body and squeezes the antenna body to assist in fixing it. The squeezing effect of the arc panel can effectively fasten the antenna body in a fixed position, further preventing the antenna body from shifting in position during use, and ensuring that the antenna body always remains in the best working condition.

[0017] (3) The invention squeezes the protective plate by the liquid entering the protective frame. The protective plate is squeezed by the liquid entering the protective frame and moves toward the stable plate. The movement of the protective plate toward the stable plate drives the protective rod to move. The movement of the protective rod drives the moving plate to move. The movement of the moving plate blocks the wiring hole to ensure that the antenna body can be wired only after it is stably installed. The stable antenna body can ensure that the contact between the wiring hole and the connecting line is more firm, thereby reducing the risk of poor contact and improving the stability and quality of signal transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the antenna body and the mounting slot position structure of the present invention; Figure 3 This is a schematic diagram of the position structure of the automobile roof and the antenna body of the present invention; Figure 4 For the present invention Figure 3 A schematic diagram of the structure enlargement of part A; Figure 5 This is a schematic diagram of the internal structure of the installation frame of the present invention; Figure 6 For the present invention Figure 5A schematic diagram of the structure of part B in the middle is enlarged; Figure 7 This is a schematic diagram of the position structure of the installation frame and the antenna body of the present invention; Figure 8 For the present invention Figure 7 Schematic diagram of the enlarged structure of part C in the middle.

[0019] In the figure: 1. car roof; 2. installation frame; 3. installation plate; 4. antenna body; 5. installation slot; 6. wiring hole; 7. installation hole; 8. limit frame; 9. limit rod; 10. protection hole; 11. placement slot; 12. placement rod; 13. T-shaped rod; 141. U-shaped rod; 142. support plate; 143. support rod; 144. support frame; 145. arc panel; 146. curved panel; 147. linkage plate; 151. detection frame; 152. detection plate; 153. detection rod; 154. stabilizing plate; 155. protection frame; 156. protection plate; 157. protection rod; 158. movable plate; 159. connecting hole. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] See also Figure 1-Figure 6An embodiment of the present invention is: an anti-theft and disassembly Beidou antenna installation device, including a car roof 1, and also including an assembly device, a supporting device and a protective device, wherein a mounting frame 2 is fixedly installed at the bottom of the car roof 1, a mounting plate 3 is slidably installed on the inner wall of the mounting frame 2, an antenna body 4 is arranged inside the mounting frame 2, a mounting groove 5 is opened on the surface of the antenna body 4, and a wiring hole 6 is opened on the surface of the antenna body 4, wherein the assembly device includes a mounting hole 7, a limit frame 8, a limit rod 9, a protective hole 10, a placement groove 11, a placement rod 12 and a T-shaped rod 13, the mounting hole 7 is opened on the circumferential surface of the mounting frame 2, the limit frame 8 is fixedly installed on the circumferential surface of the mounting frame 2, the limit rod 9 slides through the inner and outer walls of the limit frame 8, the protective hole 10 is opened on the surface of the limit rod 9, and the placement groove 1 1 is opened at the bottom of the automobile roof 1, the placement rod 12 is fixedly installed on the inner wall of the placement groove 11, and the T-shaped rod 13 is slidably installed on the circumferential surface of the placement rod 12, wherein the supporting device includes a U-shaped rod 141, a supporting plate 142 and a supporting rod 143, the U-shaped rod 141 slides through the upper and lower walls of the automobile roof 1, the supporting plate 142 is fixedly installed on the top of the automobile roof 1, and the supporting rod 143 slides through the left and right walls of the supporting plate 142. The disassembly part of the antenna body 4 is arranged in the car, which can effectively reduce the physical intervention of the theft on the antenna body 4. During the operation of the antenna body 4, the T-shaped rod 13 can effectively reduce the loosening of the antenna body 4 caused by human error or external impact, ensuring that the antenna body 4 is kept in the correct position, thereby reducing the risk of accidental disassembly.

[0022] A No. 1 spring is arranged between the mounting plate 3 and the mounting frame 2, one end of the No. 1 spring is arranged at the bottom of the mounting plate 3 and the other end is arranged at the bottom of the inner wall of the mounting frame 2. The No. 1 spring can drive the mounting plate 3 to reset, the limit rod 9 contacts the inner wall of the mounting hole 7, and the limit rod 9 contacts the inner wall of the mounting groove 5.

[0023] A No. 2 spring is arranged between the limit frame 8 and the limit rod 9, and the No. 2 spring can drive the limit rod 9 to reset. A No. 3 spring is arranged between the placement rod 12 and the T-shaped rod 13, and the No. 3 spring can drive the T-shaped rod 13 to reset. The T-shaped rod 13 contacts the inner wall of the protection hole 10.

[0024] A method for installing a Beidou antenna installation device to prevent theft and dismantling, comprising the following steps: Step 1: When the antenna body 4 needs to be installed, first manually pull the T-shaped rod 13 to move away from the limiting rod 9, so that the T-shaped rod 13 moves out of contact with the protection hole 10 and releases the limiting rod 9; Step 2: After the limit of the limit rod 9 is released, manually pull the limit rod 9 to move away from the installation frame 2, and at the same time place the antenna body 4 into the installation frame 2 and push the antenna body 4 to move downward; Step 3: The antenna body 4 moves downward to contact the mounting plate 3 and squeeze the mounting plate 3. The mounting plate 3 moves downward due to the squeezing of the antenna body 4. The antenna body 4 continues to move downward so that the mounting groove 5 is aligned with the limiting rod 9. Step 4: After the limit rod 9 is aligned with the installation slot 5, release the limit rod 9 so that the limit rod 9 moves toward the installation slot 5 under the elastic force of the second spring. The limit rod 9 moves toward the installation slot 5 and contacts the inner wall of the installation slot 5 to limit the antenna body 4 to complete the installation of the antenna body 4.

[0025] When this embodiment is working: when it is necessary to install the antenna body 4, first manually pull the T-shaped rod 13 to move in the direction away from the limiting rod 9, the T-shaped rod 13 moves out of contact with the protective hole 10 and releases the limit on the limiting rod 9, after the limit of the limiting rod 9 is released, manually pull the limiting rod 9 to move in the direction away from the mounting frame 2, the limiting rod 9 moves in the direction away from the mounting frame 2 to squeeze the No. 2 spring, the No. 2 spring is squeezed by the limiting rod 9 to produce deformation and accumulate force, and at the same time, place the antenna body 4 into the mounting frame 2 and push the antenna body 4 to move downward, the antenna body 4 moves downward to contact the mounting plate 3 and squeeze the mounting plate 3, the mounting plate 3 is squeezed downward by the antenna body 4, the mounting plate 3 moves downward to squeeze the No. 1 spring, the No. 1 spring is squeezed by the mounting plate 3 to produce deformation and accumulate force, and at the same time, the antenna body 4 continues to move downward to align the mounting groove 5 with the limiting rod 9, and wait. After the limit rod 9 is aligned with the mounting groove 5, the limit rod 9 is released so that the limit rod 9 moves in the direction close to the mounting groove 5 under the elastic force of the No. 2 spring. The limit rod 9 moves in the direction close to the mounting groove 5, contacts the inner wall of the mounting groove 5 and limits the antenna body 4 to complete the installation of the antenna body 4. When the antenna body 4 needs to be disassembled and repaired, the T-shaped rod 13 is manually pulled in the direction away from the limit rod 9. The T-shaped rod 13 moves out of contact with the protective hole 10 and releases the limit on the limit rod 9. After the limit of the limit rod 9 is released, the limit rod 9 is manually pulled in the direction away from the mounting frame 2. The limit rod 9 moves in the direction away from the mounting frame 2, disengages from the mounting groove 5 and releases the limit on the antenna body 4. After the limit of the antenna body 4 is released, the mounting plate 3 moves upward under the elastic force of the No. 1 spring, and the upward movement of the mounting plate 3 drives the antenna body 4 to move upward and pops out the antenna body 4.

[0026] See also Figure 1-Figure 8On the basis of the above embodiment, in another embodiment of the present invention, the supporting device further includes a supporting frame 144, an arc panel 145 and a linkage plate 147. The supporting frame 144 is fixedly mounted at both ends of the supporting rod 143, the arc panel 145 is fixedly mounted on the side of the supporting frame 144 away from the U-shaped rod 141, and the linkage plate 147 is fixedly mounted on the front side of the supporting frame 144. The squeezing effect of the arc panel 145 can effectively fasten the antenna body 4 in a fixed position, further prevent the antenna body 4 from being displaced during use, and ensure that the antenna body 4 always remains in the best working state.

[0027] A curved panel 146 is fixedly installed on the top of the car roof 1, and the antenna body 4 can be auxiliary fixed by the curved panel 146. A No. 4 spring is arranged between the U-shaped rod 141 and the car roof 1, and the No. 4 spring can drive the U-shaped rod 141 to reset. A No. 5 spring is arranged between the support plate 142 and the support rod 143, and the No. 5 spring can drive the support rod 143 to reset. The elastic coefficient of the No. 4 spring is greater than that of the No. 5 spring.

[0028] The protection device includes a detection frame 151, a detection plate 152, a detection rod 153, a stabilizing plate 154, a protection frame 155, a protection plate 156, a protection rod 157, a movable plate 158 and a connecting hole 159. The detection frame 151 is fixedly installed at the bottom of the automobile roof 1, the detection plate 152 is slidably installed on the inner wall of the detection frame 151, the detection rod 153 is fixedly installed on the top of the detection plate 152, the stabilizing plate 154 is fixedly installed on the circumferential surface of the installation frame 2, the protection frame 155 is fixedly penetrated through the left and right walls of the stabilizing plate 154, the protection plate 156 is slidably installed on the inner wall of the protection frame 155, the protection rod 157 is fixedly installed on one side of the protection plate 156 close to the stabilizing plate 154, the movable plate 158 is fixedly installed on one end of the protection rod 157 close to the wiring hole 6, and the connecting hole 159 is opened on the surface of the movable plate 158. The stable antenna body 4 can ensure that the contact between the wiring hole 6 and the connecting line is more firm, thereby reducing the risk of poor contact and improving the stability and quality of signal transmission.

[0029] A No. 6 spring is provided between the detection plate 152 and the detection frame 151 , and the No. 6 spring can drive the detection plate 152 to reset. Liquid is provided inside the detection frame 151 , and a hose is provided between the detection frame 151 and the protective frame 155 through the hose.

[0030] Liquid is arranged inside the protection frame 155 , a connection hole is opened on the circumferential surface of the installation frame 2 , the movable plate 158 contacts the connection hole, and the liquid inside the detection frame 151 is squeezed by the detection plate 152 and enters the protection frame 155 through the hose.

[0031] When this embodiment is working: the T-shaped rod 13 is manually pulled to move in the direction away from the limiting rod 9, the T-shaped rod 13 moves in the direction away from the limiting rod 9 and contacts with the U-shaped rod 141 and squeezes the U-shaped rod 141, the U-shaped rod 141 is squeezed upward by the T-shaped rod 13, the U-shaped rod 141 moves upward to pull the No. 4 spring, the No. 4 spring is pulled by the U-shaped rod 141 to deform and accumulate force, and at the same time the U-shaped rod 141 moves upward to break away from the contact with the top of the support frame 144, so that the support rod 143 moves in the direction away from the antenna body 4 under the elastic force of the No. 5 spring, the support rod 143 moves in the direction away from the antenna body 4, drives the support frame 144 and the linkage plate 147 to move, the support frame 144 moves and drives the arc panel 145 to move out of contact with the antenna body 4, and the T-shaped rod 13 moves closer to the antenna body 4 under the elastic force of the No. 3 spring. When the limit rod 9 moves in the direction of reset, the T-shaped rod 13 moves and resets to disengage from the contact with the U-shaped rod 141. After the U-shaped rod 141 is disengaged from the contact with the T-shaped rod 13, the U-shaped rod 141 moves downward and resets under the elastic force of the No. 4 spring. The U-shaped rod 141 moves downward and resets to contact the top of the support frame 144 and squeezes the support frame 144. The support frame 144 is squeezed by the U-shaped rod 141 and moves in the direction close to the antenna body 4. The support frame 144 moves in the direction close to the antenna body 4, driving the support rod 143 to move. The support rod 143 moves to squeeze the No. 5 spring. The No. 5 spring is squeezed by the support rod 143 to generate deformation and accumulate force. At the same time, the support frame 144 moves in the direction close to the antenna body 4, driving the arc panel 145 to move. The arc panel 145 moves and contacts the antenna body 4 and squeezes the antenna body 4 to assist in fixing it.

[0032] The support rod 143 moves in a direction away from the antenna body 4, driving the support frame 144 and the linkage plate 147 to move. The linkage plate 147 moves in a direction away from the antenna body 4 and contacts the detection rod 153 and squeezes the detection rod 153. The detection rod 153 moves downward due to the squeezing of the linkage plate 147. The detection rod 153 moves downward, driving the detection plate 152 to move downward. The detection plate 152 moves downward to squeeze the No. 6 spring. The No. 6 spring is squeezed by the detection plate 152 to produce deformation and accumulate force. At the same time, the detection plate 152 moves downward to drive the liquid inside the detection frame 151 to The liquid inside the detection frame 151 is squeezed by the detection plate 152 and enters the protection frame 155 through the hose. The liquid entering the protection frame 155 squeezes the protection plate 156. The protection plate 156 is squeezed by the liquid entering the protection frame 155 and moves toward the direction close to the stabilizing plate 154. The protection plate 156 moves toward the direction close to the stabilizing plate 154 and drives the protection rod 157 to move. The movement of the protection rod 157 drives the moving plate 158 to move. The moving plate 158 moves to block the wiring hole 6 to ensure that the antenna body 4 can be wired only after it is stably installed.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A Beidou antenna installation device for preventing theft and dismantling, comprising a car roof (1), characterized in that: It also includes an assembly device, a supporting device and a protective device; The bottom of the automobile roof (1) is fixedly mounted with a mounting frame (2), the inner wall of the mounting frame (2) is slidably mounted with a mounting plate (3), an antenna body (4) is arranged inside the mounting frame (2), a mounting groove (5) is provided on the surface of the antenna body (4), and a wiring hole (6) is provided on the surface of the antenna body (4); The assembly device comprises a mounting hole (7), a limiting frame (8), a limiting rod (9), a protection hole (10), a placement groove (11), a placement rod (12) and a T-shaped rod (13); the mounting hole (7) is formed on the circumferential surface of the mounting frame (2); the limiting frame (8) is fixedly mounted on the circumferential surface of the mounting frame (2); the limiting rod (9) slides through the inner and outer walls of the limiting frame (8); the protection hole (10) is formed on the surface of the limiting rod (9); the placement groove (11) is formed on the bottom of the automobile roof (1); the placement rod (12) is fixedly mounted on the inner wall of the placement groove (11); and the T-shaped rod (13) is slidably mounted on the circumferential surface of the placement rod (12); The support device comprises a U-shaped rod (141), a support plate (142) and a support rod (143); the U-shaped rod (141) slides through the upper and lower walls of the automobile roof (1); the support plate (142) is fixedly mounted on the top of the automobile roof (1); and the support rod (143) slides through the left and right walls of the support plate (142).

2. The anti-theft and disassembly Beidou antenna installation device according to claim 1 is characterized in that: A No. 1 spring is provided between the mounting plate (3) and the mounting frame (2), the limiting rod (9) contacts the inner wall of the mounting hole (7), and the limiting rod (9) contacts the inner wall of the mounting groove (5).

3. The anti-theft and disassembly Beidou antenna installation device according to claim 2 is characterized in that: A No. 2 spring is provided between the limit frame (8) and the limit rod (9), a No. 3 spring is provided between the placement rod (12) and the T-shaped rod (13), and the T-shaped rod (13) is in contact with the inner wall of the protection hole (10).

4. The anti-theft and disassembly Beidou antenna installation device according to claim 3 is characterized by: The support device further comprises a support frame (144), a curved panel (145) and a linkage plate (147); the support frame (144) is fixedly mounted on both ends of the support rod (143); the curved panel (145) is fixedly mounted on a side of the support frame (144) away from the U-shaped rod (141); and the linkage plate (147) is fixedly mounted on the front side of the support frame (144).

5. The anti-theft and dismantling Beidou antenna installation device according to claim 4 is characterized in that: A curved plate (146) is fixedly mounted on the top of the automobile roof panel (1), a No. 4 spring is arranged between the U-shaped rod (141) and the automobile roof panel (1), and a No. 5 spring is arranged between the support plate (142) and the support rod (143).

6. The anti-theft and dismantling Beidou antenna installation device according to claim 5, characterized in that: The protective device comprises a detection frame (151), a detection plate (152), a detection rod (153), a stabilizing plate (154), a protection frame (155), a protection plate (156), a protection rod (157), a movable plate (158) and a connecting hole (159); the detection frame (151) is fixedly mounted on the bottom of the automobile roof (1); the detection plate (152) is slidably mounted on the inner wall of the detection frame (151); the detection rod (153) is fixedly mounted on the top of the detection plate (152); and the stabilizing plate (154) is fixedly mounted on the top of the detection plate (156). The fixed plate (154) is fixedly mounted on the circumferential surface of the mounting frame (2); the protective frame (155) is fixedly penetrated through the left and right walls of the stable plate (154); the protective plate (156) is slidably mounted on the inner wall of the protective frame (155); the protective rod (157) is fixedly mounted on a side of the protective plate (156) close to the stable plate (154); the movable plate (158) is fixedly mounted on an end of the protective rod (157) close to the wiring hole (6); and the connecting hole (159) is provided on the surface of the movable plate (158).

7. The anti-theft Beidou antenna installation device according to claim 6 is characterized in that: A No. 6 spring is provided between the detection plate (152) and the detection frame (151), liquid is provided inside the detection frame (151), and a hose is provided between the detection frame (151) and the protective frame (155) via a hose.

8. The anti-theft and dismantling Beidou antenna installation device according to claim 7 is characterized in that: Liquid is provided inside the protection frame (155), a connection hole is provided on the circumferential surface of the installation frame (2), and the movable plate (158) is in contact with the connection hole.

9. A method for installing a Beidou antenna installation device that is resistant to theft and dismantling, using the Beidou antenna installation device that is resistant to theft and dismantling according to claim 8, characterized in that: The following steps are involved: Step 1: When the antenna body (4) needs to be installed, first manually pull the T-shaped rod (13) to move away from the limiting rod (9), so that the T-shaped rod (13) moves out of contact with the protection hole (10) and releases the limiting rod (9); Step 2: After the limit of the limit rod (9) is released, manually pull the limit rod (9) to move away from the installation frame (2), and at the same time place the antenna body (4) into the installation frame (2) and push the antenna body (4) to move downward; Step 3: the antenna body (4) moves downward to contact the mounting plate (3) and press the mounting plate (3), the mounting plate (3) moves downward due to the pressing of the antenna body (4), and the antenna body (4) continues to move downward so that the mounting groove (5) is aligned with the limiting rod (9); Step 4: After the limiting rod (9) is aligned with the installation groove (5), the limiting rod (9) is released so that the limiting rod (9) moves toward the installation groove (5) under the elastic force of the second spring. The limiting rod (9) moves toward the installation groove (5) and contacts the inner wall of the installation groove (5) to limit the antenna body (4) and complete the installation of the antenna body (4).

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