CN210379453U

CN210379453U - Quick grounding device of land mobile platform

Info

Publication number: CN210379453U
Application number: CN201921310313.1U
Authority: CN
Inventors: 顾星星
Original assignee: CHANGSHA RUNXUN COMMUNICATION EQUIPMENT CO LTD
Current assignee: CHANGSHA RUNXUN COMMUNICATION EQUIPMENT CO LTD
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-04-21
Anticipated expiration: 2029-08-14

Abstract

The utility model relates to the technical field of grounding of land mobile platforms, in particular to a quick grounding device of a land mobile platform, which comprises a main grounding electrode plate, an auxiliary grounding electrode plate, a resistance reduction system of a grounding body and an automatic control system, wherein the main grounding electrode plate is connected with the auxiliary grounding electrode plate through a support rod, and the main grounding electrode plate and the auxiliary grounding electrode plate are provided with automatic winding and unwinding devices, so that the arrangement of the grounding body or the withdrawal of the grounding body can be quickly realized through the automatic winding and unwinding devices; the grounding electrode plates are connected with the grounding electrode short pins in parallel, so that the grounding electrode plates are ensured to be in close contact with the ground to the greatest extent. The utility model discloses can realize the quick cloth net of the grounding body and remove the net fast, realize the used repeatedly of the grounding body, practice thrift metal material, alleviate land mobile platform load. And the stability of grounding is ensured, and the quick maneuverability of the land mobile platform is greatly enhanced.

Description

Quick grounding device of land mobile platform

Technical Field

The utility model relates to a land mobile platform's ground connection technical field, concretely relates to land mobile platform's quick earthing device.

Background

At present, vehicles such as a traction type mobile launching vehicle, a communication vehicle, an emergency power generation vehicle and the like need to be subjected to grounding operation during field operation. At present, the common ground of these special vehicles is to build a temporary grounding device or connect the ground of the foundation of a nearby building. The temporary grounding grid is constructed by mainly adopting a method of drilling steel grounding electrodes on the ground surface and connecting the grounding electrodes by flexible wires. The temporary grounding device cannot be recycled after the site is changed, so that material waste is caused; adding additional weight and operating costs to the moving vehicle. The laying up is time consuming, with a "battle plane" that is "fleeting," the time "unequal", and the consequences are unpredictable if the transmission and communication are delayed thereby. The field work cannot be provided by connecting the foundations of nearby buildings. Therefore, it is necessary to develop a temporary grounding device capable of being quickly deployed and recycled, which has a great economic and practical significance.

Disclosure of Invention

In order to solve the technical problem existing in the above, the utility model provides a land mobile platform's quick earthing device, its concrete technical scheme as follows: the device comprises a main grounding electrode plate, wherein the main grounding electrode plate is connected with at least one auxiliary grounding electrode plate through a support rod, one end of the support rod is hinged with the main grounding electrode plate, and the other end of the support rod is hinged with the auxiliary grounding electrode plate; an automatic retracting and releasing device is connected between the main grounding electrode plate and the auxiliary grounding electrode plate and controls the auxiliary grounding electrode plate to be folded and unfolded; a plurality of grounding electrode short pins are respectively installed on the bottom surfaces of the main grounding electrode plate and the auxiliary grounding electrode plate, and the grounding electrode short pins are connected in parallel.

Furthermore, the automatic retraction device comprises a main telescopic rod and at least one auxiliary telescopic rod, the main telescopic rod comprises a fixed rod and a movable rod, and the movable rod is movably connected with the fixed rod; one end of the auxiliary telescopic rod is connected with the movable rod through the fixing ring, and the other end of the auxiliary telescopic rod is hinged with the auxiliary grounding electrode panel.

Furthermore, the short grounding electrode pin comprises a pin body and a pin head, one end of the pin body is fixedly connected with the main grounding electrode plate or the auxiliary grounding electrode plate, a moving groove is formed in the pin body, the pin head is movably connected in the moving groove of the pin body and extends outwards from the free end of the pin body, and the free end of the pin body is provided with a limiting block for limiting the pin head to be separated from the pin body; the movable groove is internally provided with a spring, one end of the spring is connected with the fixed end of the needle body, and the other end of the spring is connected with the needle head.

Further main earthing pole polar plate or supplementary earthing pole polar plate bottom have seted up the hole that sprays, install the shower nozzle that is used for spraying conducting liquid in the hole that sprays, spray the conducting liquid purpose in order to reduce syringe needle and earth contact resistance and reduce soil conductivity.

Furthermore, the automatic retraction device is connected with the main control device, and the main telescopic rod is controlled to move through the PLC. Meanwhile, the PLC is combined with an on-line ground resistance detection device to realize a stable and low ground resistance value for a long time.

Has the advantages that: the utility model discloses an automatic arrangement and drawing in of automatic winding and unwinding devices control main earthing pole plate and auxiliary earthing pole plate, the parallelly connected ground connection short needle on main earthing pole plate and the auxiliary earthing pole plate realizes quick ground connection cloth net and removes the net, in the ground connection process, because the parallel mode between conducting solution and the ground connection short needle, ground resistance has been reduced greatly, makes the ground connection short needle need not insert ground soil completely can realize ground connection and guarantee the stability of ground connection; through the short needle structure of ground connection that can stretch out and draw back, can be directed against unevenness's earth's surface, realize placing of quick effective ground connection. The utility model discloses can realize the quick cloth net of the grounding body and remove the net fast, realize the used repeatedly of the grounding body, practice thrift metal material, alleviate land mobile platform load. And the stability of grounding is ensured, the quick maneuverability of the land mobile platform is greatly enhanced, and the method has great economic significance and practical significance.

Drawings

Fig. 1 is a front view of the grounding device according to the embodiment of the present invention after being disconnected from the ground;

fig. 2 is a front view of the grounding device according to the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a main ground electrode plate or an auxiliary ground electrode plate according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a short grounding pin according to an embodiment of the present invention;

reference numerals: 1-a main ground plate; 2-auxiliary earth electrode plate; 3-automatic retraction device; 4-moving the rod; 5-fixing the rod; 6-auxiliary telescopic rod; 7-fixing the ring; 8-a support bar; 9-short grounding pin; 10-a top plate; 11-spray holes; 12-a needle body; 13-a needle head; 14-spring.

Detailed Description

In the following, the technical solutions in the embodiments of the present invention are described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, the fast grounding device for a land mobile platform comprises a main grounding electrode plate 1 and four auxiliary grounding electrode plates 2, wherein the four auxiliary grounding electrode plates 2 are respectively connected with the main grounding electrode plate 1 through a support rod 8, and structurally, one end of the support rod 8 is hinged with the main grounding electrode plate 1, and the other end is hinged with the auxiliary grounding electrode plates 2; the auxiliary grounding electrode plate 2 and the main grounding electrode plate 1 are connected in parallel, so that the contact area is increased, and the grounding resistance is reduced. The automatic winding and unwinding device 3 is mounted on the main earth electrode plate 1, the automatic winding and unwinding device 3 comprises a main telescopic rod and four auxiliary telescopic rods 6, the main telescopic rod and the auxiliary telescopic rods 6 can freely extend and retract, the main telescopic rod is fixedly connected with the main earth electrode plate 1, the auxiliary telescopic rods 6 are hinged to the auxiliary earth electrode plate 2, the main telescopic rod comprises a section of fixed rod 5 and a section of movable rod 4, one end of the movable rod 4 is movably connected with the fixed rod 5, the other end of the movable rod is connected with a top plate 10, the quick earthing device can be connected with a movable platform through the top plate 10, the other end of the fixed rod 5 is fixedly mounted on the main earth electrode plate 1, and the auxiliary telescopic rods 6 are connected with the movable rod 4 through; the automatic winding and unwinding devices 3 are electrically connected with a main control device in the mobile platform, and the automatic winding and unwinding devices 3 are controlled through a PLC. When grounding is needed, the PLC can control the movable rod 4 on the main telescopic rod to move upwards so as to drive the auxiliary telescopic rod 6 to move, so that the auxiliary grounding electrode plate 2 moves towards the ground, and in the process, the whole quick grounding device moves downwards, so that the function of quick grounding is realized; when the grounding is required to be separated, the PLC controls the moving rod 4 to move downwards to fold and lift the quick grounding device, so that the quick separation from the grounding is realized.

As shown in fig. 3, when the main grounding electrode plate 1 and the auxiliary grounding electrode plate 2 are grounded, a plurality of grounding electrode short pins 9 are fixedly installed on one surface close to the ground surface, the grounding electrode short pins 9 are arranged in a matrix form, and the grounding electrode short pins 9 are connected in parallel; the main grounding electrode plate 1 and the auxiliary grounding electrode plate 2 are further provided with spraying holes 11, spray heads are installed in the spraying holes 11 and spray conducting liquid under the control of a PLC, in the embodiment, resistance measuring devices can be installed on the main grounding electrode plate 1 and the auxiliary grounding electrode plate 2, and the spraying amount of the conducting liquid can be adjusted by measuring the real-time ground resistance.

As shown in fig. 4, the short grounding electrode pin 9 includes a pin body 12 and a pin head 13, one end of the pin body 12 is fixedly connected to the main grounding electrode plate 1 or the auxiliary grounding electrode plate 2, a moving groove is formed in the pin body 12, the pin head 13 is movably connected to the moving groove of the pin body 12 and extends outward from the free end of the pin body 12, and the free end of the pin body 12 is provided with a limit block for limiting the pin head 13 to be separated from the pin body 12; a spring 14 is arranged in the moving groove, one end of the spring 14 is connected with the fixed end of the needle body 12, and the other end of the spring is connected with the needle head 13. When grounding is carried out, the short grounding electrode pin 9 can be stretched, so that when the uneven ground appears, the short grounding electrode pin 9 can be well contacted with the ground.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A rapid grounding device of a land mobile platform comprises a main grounding electrode plate (1), and is characterized in that the main grounding electrode plate (1) is connected with at least one auxiliary grounding electrode plate (2) in parallel through a support rod (8), one end of the support rod (8) is hinged with the main grounding electrode plate (1), and the other end of the support rod is hinged with the auxiliary grounding electrode plate (2); an automatic winding and unwinding device (3) is further connected between the main grounding electrode plate (1) and the auxiliary grounding electrode plate (2), and the automatic winding and unwinding device (3) controls the auxiliary grounding electrode plate (2) to be folded and unfolded; a plurality of grounding electrode short pins (9) are respectively installed on the bottom surfaces of the main grounding electrode plate (1) and the auxiliary grounding electrode plate (2), and the grounding electrode short pins (9) are connected in parallel.

2. The quick grounding device for land mobile platforms according to claim 1, characterized in that the automatic retraction device (3) comprises a main telescopic rod and at least one auxiliary telescopic rod (6), the main telescopic rod comprises a fixed rod (5) and a movable rod (4), the movable rod (4) is movably connected with the fixed rod (5); one end of the auxiliary telescopic rod (6) is connected with the movable rod (4) through the fixing ring (7), and the other end of the auxiliary telescopic rod is hinged with the auxiliary grounding electrode plate (2).

3. The quick grounding device of a land mobile platform is characterized in that the grounding electrode short pin (9) comprises a pin body (12) and a pin head (13), one end of the pin body (12) is fixedly connected with the main grounding electrode plate (1) or the auxiliary grounding electrode plate (2), a moving groove is formed in the pin body (12), the pin head (13) is movably connected in the moving groove of the pin body (12) and extends outwards from the free end of the pin body (12), and the free end of the pin body (12) is provided with a limit block for limiting the pin head (13) to be separated from the pin body (12); a spring (14) is arranged in the moving groove, one end of the spring (14) is connected with the fixed end of the needle body (12), and the other end of the spring is connected with the needle head (13).

4. The fast grounding device for land mobile platform as claimed in claim 1, wherein the main grounding electrode plate (1) or the auxiliary grounding electrode plate (2) has a spraying hole (11) formed at the bottom thereof, and a nozzle for spraying the conductive liquid is installed in the spraying hole (11).

5. The fast grounding device for the land mobile platform according to any one of claims 1 to 4, wherein the automatic retraction device (3) is connected with a main control device, and the main telescopic rod is controlled to move by a PLC.