Lightning protection device of broadcast transmitting antenna

Abstract

The utility model discloses a lightning protection device of a broadcast transmitting antenna, and relates to the technical field of lightning protection devices. In order to solve the problems that an existing lightning protection device is tedious to install when being used, so that installation is inconvenient, and meanwhile, the existing lightning protection device can only be installed for antennas with matched sizes, so that the practicability is poor. A lightning protection device of a broadcast transmitting antenna comprises a lightning rod, the lightning rod is installed on an installation base, a connecting rod is fixed to the side wall of the installation base, one end, away from the installation base, of the connecting rod is fixed to an outer fixing piece, and a plurality of inner fixing pieces are fixed to the inner side of the outer fixing piece. The outer surface of the outer fixing piece and the outer surface of the inner fixing piece are each coated with an insulating layer, and the outer side of each insulating layer is coated with a waterproof layer. The lightning protection device of the broadcast transmitting antenna is easy to install and convenient to use, the position of the fixing clamping block can be adjusted so that the fixing clamping block can be tightly attached to the antenna mast, the fixing clamping block can be suitable for antenna masts of different sizes under the action of the elastic force of the spring, and practicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of lightning protection devices, in particular to a lightning protection device for a broadcast transmitting antenna. Background Art

[0002] As a traditional way of broadcasting programs, radio programs are also the basic form of radio communication development. In the process of broadcasting programs, a broadcast transmitting antenna is used, which inevitably involves the emission and reception of electromagnetic waves. In order to ensure the stable operation of the broadcast transmitting antenna, a lightning protection device is usually installed on the broadcast transmitting antenna. The utility model with application number CN201921738796.5 discloses a lightning protection device for radio and television radio communication antennas, including a lightning rod, a lightning ball is fixedly connected to the lower surface of the lightning rod, a lead is fixedly connected to one side of the lightning ball, one end of the lead is fixedly connected to a grounding wire, the lower surface of the lightning ball is fixedly connected to a mounting seat, the lower surface of the mounting seat is threadedly connected to a connecting pipe, the lower surface of the connecting pipe is fixedly connected to a support foot, and the lower surface of the support foot is fixedly connected to a pad. The lightning protection device for radio communication antennas of broadcasting and television can increase the contact area with lightning by arranging lightning rods in a divergent manner. The detachable arrangement of the lightning protection device and the lower antenna solves the existing difficulty in replacing lightning rods. The threads arranged through the screw holes can be connected to the lightning rods. The threaded tube extending from the bottom of the mounting seat can be rotated and inserted into the screw holes provided in the connecting tube for secondary reinforcement between the mounting seat and the connecting tube. However, when the device is used, it is fixed and connected by multiple bolts, and the installation is cumbersome, which brings inconvenience to the installation. At the same time, it can only be installed for antennas with matching sizes, and the practicability is poor. In view of these defects, it is necessary to design a lightning protection device for broadcast transmitting antennas. Utility Model Content

[0003] The purpose of the utility model is to provide a lightning protection device for a broadcast transmitting antenna, which has the function of locking an external fixing part by a fixing bolt, and does not need to be fixed and connected by multiple bolts. It is simple to install and easy to use. It can not only adjust the position of the fixing clamp block so that the fixing clamp block can be close to the antenna pole, but also under the action of the spring elastic force, the fixing clamp block can be suitable for antenna poles of different sizes. It has a stronger practical effect and can solve the problems in the prior art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lightning protection device for a broadcast transmitting antenna, comprising a lightning rod and a mounting seat, the lightning rod being mounted on the mounting seat, a connecting rod being fixed on the side wall of the mounting seat, an end of the connecting rod away from the mounting seat being fixed on an external fixing member, a plurality of internal fixing members being fixed on the inner side of the external fixing member, the outer surfaces of the external fixing member and the internal fixing member being coated with an insulating layer, and the outer side of the insulating layer being coated with a waterproof layer.

[0005] Preferably, the external fixing member includes a first fixing plate, a connecting plate, a second fixing plate, a mounting groove and a mounting shaft. A mounting groove is provided on one side of the first fixing plate, a mounting shaft is rotatably installed in the mounting groove, the second fixing plate is fixed on the mounting shaft, and a connecting plate is provided on the other side of the first fixing plate.

[0006] Preferably, a first mounting member is fixed on the connecting plate, and a second mounting member is provided on the second fixing plate.

[0007] Preferably, threaded holes are provided on the first mounting member and the second mounting member, and the first mounting member and the second mounting member are connected by fixing bolts.

[0008] Preferably, a slot is provided on one side of the second fixing plate close to the second mounting member, and the size of the slot matches the size of the connecting plate.

[0009] Preferably, the inner fixing member comprises a fixing clamp block, an anti-skid pad and a telescopic member, the inner side of the fixing clamp block is provided with an anti-skid pad, the outer side of the fixing clamp block is provided with a telescopic member, and the telescopic member is fixed on the inner side of the outer fixing member.

[0010] Preferably, the telescopic member includes an outer sleeve, a spring and an inner sleeve, the outer sleeve is fixed to the inner wall of the outer fixing member, the inner sleeve is fixed to the outer wall of the fixing clamp, the inner sleeve is sleeved in the outer sleeve, and the inner sleeve and the outer sleeve are connected inside by a spring.

[0011] Preferably, the waterproof layer is made of a high molecular polymer, the insulating layer is made of a rubber-type insulating material, and the connecting rod is an insulating rod.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The lightning protection device of the broadcast transmitting antenna locks the external fixing part by fixing bolts, and does not need to be fixed and connected by multiple bolts. It is simple to install and easy to use. The connecting plate moves in the slot to facilitate the adjustment of the size of the external fixing part, and then the fixing size of the internal fixing part can be adjusted. The inside of the inner sleeve and the outer sleeve are connected by a spring, which not only can adjust the position of the fixing clamp block so that the fixing clamp block can be close to the antenna pole, but also under the action of the spring elastic force, the fixing clamp block can be suitable for antenna poles of different sizes, which is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a partial structural schematic diagram of the utility model;

[0016] Figure 3 This is a partial structural cross-sectional diagram of the utility model

[0017] Figure 4 A schematic diagram of the structure of the external fixing member of the utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the internal fixing member of the utility model.

[0019] In the figure: 1. Lightning rod; 2. Mounting seat; 3. Connecting rod; 4. Fixing bolt; 5. External fixing member; 51. Connecting plate; 52. First fixing plate; 53. Second fixing plate; 54. Mounting groove; 55. Mounting shaft; 6. Internal fixing member; 61. Anti-slip pad; 62. Fixing clamp; 63. Telescopic member; 631. Outer sleeve; 632. Spring; 633. Inner sleeve; 7. First mounting member; 8. Second mounting member; 9. Waterproof layer; 10. Insulating layer. DETAILED DESCRIPTION

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

[0021] In order to solve the technical problems that the existing lightning protection device is fixed and connected by multiple bolts during use, the installation is cumbersome, which brings inconvenience to the installation, and at the same time, it can only be installed for antennas with matching sizes, which is of poor practicality, please refer to Figure 1-Figure 5 , this embodiment provides the following technical solutions:

[0022] A lightning protection device for a broadcast transmitting antenna comprises a lightning rod 1 and a mounting seat 2, wherein the lightning rod 1 is mounted on the mounting seat 2, a connecting rod 3 is fixed on the side wall of the mounting seat 2, an end of the connecting rod 3 away from the mounting seat 2 is fixed on an external fixing member 5, the external fixing member 5 comprises a first fixing plate 52, a connecting plate 51, a second fixing plate 53, a mounting groove 54 and a mounting shaft 55, a mounting groove 54 is provided on one side of the first fixing plate 52, a mounting shaft 55 is rotatably mounted in the mounting groove 54, a second fixing plate 53 is fixed on the mounting shaft 55, a connecting plate 51 is provided on the other side of the first fixing plate 52, a first mounting member 7 is fixed on the connecting plate 51, and a second fixing plate 53 is provided on the second fixing plate 53 The first mounting member 7 and the second mounting member 8 are both provided with threaded holes. The first mounting member 7 and the second mounting member 8 are connected by fixing bolts 4. The outer fixing member 5 is locked by fixing bolts 4. The installation is simple and easy to use. A card slot is provided on the side of the second fixing plate 53 close to the second mounting member 8. The size of the card slot matches the size of the connecting plate 51. The connecting plate 51 moves in the card slot, which is convenient for adjusting the size of the outer fixing member 5, and then the fixing size of the inner fixing member 6 can be adjusted. Several inner fixing members 6 are fixed on the inner side of the outer fixing member 5. The inner fixing member 6 includes a fixing clamp block 62, an anti-slip pad 61 and a telescopic member 63. The inner side of the fixing clamp block 62 An anti-skid pad 61 is provided, which has an anti-skid effect and increases the firmness of the installation of the device. A telescopic member 63 is provided on the outer side of the fixed clamp block 62, and the telescopic member 63 is fixed on the inner side of the external fixing member 5. The telescopic member 63 includes an outer sleeve 631, a spring 632 and an inner sleeve 633. The outer sleeve 631 is fixed to the inner wall of the external fixing member 5, and the inner sleeve 633 is fixed to the outer wall of the fixed clamp block 62. The inner sleeve 633 is sleeved in the outer sleeve 631, and the inner sleeve 633 and the inner sleeve 631 are connected by a spring 632, so that the position of the fixed clamp block 62 can be adjusted. With the spring 632, not only can the fixed clamp block 62 be close to the antenna Rod, and under the action of the elastic force of the spring 632, the fixing clamp 62 can be suitable for antenna rods of different sizes, which is more practical. The outer surfaces of the external fixing member 5 and the internal fixing member 6 are coated with an insulating layer 10, and the outer side of the insulating layer 10 is coated with a waterproof layer 9. The material of the waterproof layer 9 is a polymer, and the waterproof layer 9 has a certain waterproof effect to prevent the external fixing member 5 and the internal fixing member 6 from rusting and being damaged, thereby causing the lightning rod 1 to fall and affect the lightning protection effect. The material of the insulating layer 10 is a rubber insulating material, and the connecting rod 3 is an insulating rod. The setting of the insulating layer 10 and the connecting rod 3 has a certain insulating effect, which can prevent the risk of leakage.

[0023] When in use, unscrew the fixing bolt 4 to rotate the second fixing plate 53 so that the second fixing plate 53 leaves the connecting plate 51, and the internal fixing piece 6 fixed on the second fixing plate 53 and the first fixing plate 52 is opened. The internal fixing piece 6 is put on the outer wall of the antenna pole, and the connecting plate 51 is inserted into the slot. According to the size of the antenna pole, tighten the fixing bolt 4 so that the fixing clamp 62 is close to the antenna pole, and the lightning rod 1 can be installed on the antenna pole.

[0024] In summary, the lightning protection device of the broadcast transmitting antenna locks the external fixing part 5 by the fixing bolt 4, and there is no need to fix the connection by multiple bolts. The installation is simple and easy to use. The connecting plate 51 moves in the slot, which is convenient for adjusting the size of the external fixing part 5, and then the fixing size of the internal fixing part 6 can be adjusted. The inner sleeve 633 and the inner sleeve 631 are connected by the spring 632, which can not only adjust the position of the fixing clamp 62 so that the fixing clamp 62 can be close to the antenna pole, but also under the action of the elastic force of the spring 632, the fixing clamp 62 can be suitable for antenna poles of different sizes, which is more practical. The waterproof layer 9 has a certain waterproof effect, which can prevent the external fixing part 5 and the internal fixing part 6 from rusting and damage, thereby causing the lightning rod 1 to fall off, affecting the lightning protection effect while extending the service life.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] 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 lightning protection device for a broadcast transmitting antenna, comprising a lightning rod (1) and a mounting base (2), characterized in that: The lightning rod (1) is mounted on a mounting base (2), a connecting rod (3) is fixed on a side wall of the mounting base (2), one end of the connecting rod (3) away from the mounting base (2) is fixed on an external fixing member (5), a plurality of internal fixing members (6) are fixed on the inner side of the external fixing member (5), the outer surfaces of the external fixing member (5) and the internal fixing member (6) are coated with an insulating layer (10), and the outer side of the insulating layer (10) is coated with a waterproof layer (9).

2. The lightning protection device for a broadcast transmitting antenna according to claim 1, characterized in that: The external fixing member (5) comprises a first fixing plate (52), a connecting plate (51), a second fixing plate (53), a mounting groove (54) and a mounting shaft (55); one side of the first fixing plate (52) is provided with a mounting groove (54); a mounting shaft (55) is rotatably mounted in the mounting groove (54); the second fixing plate (53) is fixed on the mounting shaft (55); and the other side of the first fixing plate (52) is provided with a connecting plate (51).

3. The lightning protection device for a broadcast transmitting antenna according to claim 2, characterized in that: A first mounting member (7) is fixed on the connecting plate (51), and a second mounting member (8) is provided on the second fixing plate (53).

4. The lightning protection device for a broadcast transmitting antenna according to claim 3, characterized in that: The first mounting member (7) and the second mounting member (8) are both provided with threaded holes, and the first mounting member (7) and the second mounting member (8) are connected via fixing bolts (4).

5. The lightning protection device for a broadcast transmitting antenna according to claim 4, characterized in that: A slot is provided on one side of the second fixing plate (53) close to the second mounting member (8), and the size of the slot matches the size of the connecting plate (51).

6. The lightning protection device for a broadcast transmitting antenna according to claim 1, characterized in that: The inner fixing member (6) comprises a fixing clamp (62), an anti-slip pad (61) and a telescopic member (63); the inner side of the fixing clamp (62) is provided with an anti-slip pad (61); the outer side of the fixing clamp (62) is provided with a telescopic member (63); and the telescopic member (63) is fixed to the inner side of the outer fixing member (5).

7. The lightning protection device for a broadcast transmitting antenna according to claim 6, characterized in that: The telescopic member (63) comprises an outer sleeve (631), a spring (632) and an inner sleeve (633); the outer sleeve (631) is fixed to the inner wall of the outer fixing member (5); the inner sleeve (633) is fixed to the outer wall of the fixing clamp (62); the inner sleeve (633) is sleeved inside the outer sleeve (631); and the inner parts of the inner sleeve (633) and the outer sleeve (631) are connected via the spring (632).

8. The lightning protection device for a broadcast transmitting antenna according to claim 1, characterized in that: The material of the waterproof layer (9) is a high molecular polymer, the material of the insulating layer (10) is a rubber-type insulating material, and the connecting rod (3) is an insulating rod.

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