CN209963288U - Rail transit grounding device - Google Patents

Abstract

The utility model discloses a rail transit earthing device, include the device body and establish the protective sheath in device body top, the device body includes protection tube and connector, the protective sheath includes the sleeve pipe and establishes the roof on set pipe top, the intraductal wall top of cover is equipped with the mounting groove, the roof lateral wall is equipped with the screw thread, the roof screw thread is installed in the mounting groove, the sleeve pipe upper end is equipped with the connector, be equipped with the grip block in the connector, set up the rotation groove in the grip block, the rotor plate is installed to rotation inslot rotation, the thread groove has been seted up on the connector, the butterfly bolt is installed to the thread groove internal thread, the handheld end of non-of butterfly bolt pass the grip block and with rotor plate fixed connection. The utility model discloses set up butterfly bolt and grip block in wiring port department, the user just can fix the centre gripping to the wiring through rotating the butterfly bolt, and the wiring can not swing at will, and then makes the connector more stable with being connected of wiring.

Description

Rail transit grounding device

Technical Field

The utility model relates to an earthing device technical field especially relates to a track traffic earthing device.

Background

The rail transit belongs to a kind of land traffic, and the rail transit has the characteristics of high speed, large bearing capacity and high efficiency in practical application, has obvious advantages compared with other forms of land traffic, has become the vehicles which are preferentially developed by urban traffic and intercity traffic at present, and generally comprises subways, light rails and modern trams.

In the prior art, the rail transit grounding device still has many defects, for example, the leading-out device in the grounding device lacks a protection function, the connecting part of the grounding wire is directly exposed in the air, and the air on the ground surface is relatively humid, so that the connecting part of the leading-out device is corroded at a high speed, the connection is easily interrupted due to serious corrosion, and the reliability is insufficient; and the wiring department does not have centre gripping fixing device, can't add to the wiring and hold fixedly, and the wiring swing leads to the wiring to be connected unstable with the eduction gear easily, appears contact failure easily, even connects the interrupt, not only influences the normal operating of track traffic system, still greatly increased cost of maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, ground connection lead wire device lacks protection device and fixed clamping device, makes wiring and lead wire device's connection unstable, appears connecting interruption even, and a track traffic earthing device that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a rail transit earthing device, includes the device body and establishes the protective sheath in device body top, the device body includes protection tube and connector, the protective sheath includes the sleeve pipe and establishes the roof on sleeve pipe top, the intraductal wall top of cover is equipped with the mounting groove, the roof lateral wall is equipped with the screw thread, the roof screw thread is installed in the mounting groove, the sleeve pipe upper end is equipped with the connector, be equipped with the grip block in the connector, set up in the grip block and rotate the groove, it installs the rotor plate to rotate the inslot internal rotation, set up the thread groove on the connector, the butterfly bolt is installed to the thread groove internal thread, the non-handheld end of butterfly bolt pass the grip block and with rotor plate fixed.

Preferably, a first fixing plate is arranged at the upper end of the protection tube, a second fixing plate is arranged at the lower end of the sleeve, fixing holes are formed in the first fixing plate and the second fixing plate respectively, fixing bolts are arranged in the fixing holes, and the first fixing plate and the second fixing plate are fixedly connected through the fixing bolts.

Preferably, the clamping plate lower surface is crooked to be set up and is equipped with the centre gripping pad, the centre gripping pad is the rubber material.

Preferably, the inner wall of the sleeve is provided with a placing frame, a drying agent is placed in the placing frame, and the placing frame is in a mesh shape.

Preferably, a handheld ring is fixedly connected to the upper portion of the top plate, and an anti-slip layer is arranged on the surface of the handheld ring.

Preferably, a connecting hole is formed in the connecting head, and the connecting hole is as high as the connecting port.

The utility model has the advantages that:

1. this track traffic earthing device sets up the sleeve pipe in the protective tube upper end, avoids the connector directly to expose in humid air, makes the connector be difficult for corroding, sets up butterfly bolt and grip block in wiring department simultaneously, and the user just can fix the centre gripping to the wiring through rotating the butterfly bolt, and the wiring can not swing at will, and then makes the connector more stable with being connected of wiring, is difficult for appearing connecting the condition of interrupt, makes whole track traffic system more stable.

2. This track traffic earthing device sets up on sheathed tube inner wall and places the frame, places and puts into the drier in the frame, and the moisture of air in the protective sheath can be absorbed effectively to the drier, keeps the drying of air around the connector, makes the connector difficult by the corruption, and the roof on sleeve pipe top is the detachable installation of screw thread simultaneously, and the person of facilitating the use changes the drier and connects the wiring.

Drawings

Fig. 1 is a schematic structural view of a rail transit grounding device provided by the present invention;

fig. 2 is the utility model provides a connection mouth department schematic structure of track traffic earthing device.

In the figure: the device comprises a protection tube 1, a connector 2, a sleeve 3, a top plate 4, a handheld ring 5, a first fixing plate 6, a second fixing plate 7, a fixing bolt 8, a connecting port 9, a butterfly bolt 10, a clamping plate 11, a rotating plate 12, a clamping pad 13, a placing frame 14 and a drying agent 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be 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.

Referring to fig. 1-2, a rail transit grounding device, comprising a device body and a protective sleeve arranged above the device body, wherein the device body comprises a protective tube 1 and a connector 2, the protective sleeve is used for protecting the connector 2 and preventing the connector 2 from being directly exposed in the air, so that the connector 2 is not easy to corrode, a connecting hole is arranged on the connector 2 and is used for connecting external wiring, the protective sleeve comprises a sleeve 3 and a top plate 4 arranged at the top end of the sleeve 3, a mounting groove is arranged at the top end of the inner wall of the sleeve 3, threads are arranged on the side wall of the top plate 4, the top plate 4 is arranged in the mounting groove in a threaded manner and is detachably connected with the connector, a connector 9 is arranged at the upper end of the sleeve 3, the wiring enters the sleeve 3 from the connector 9, the connecting hole is as high as the connector 9, the wiring is conveniently, the rotating plate 12 is installed in the rotating groove in a rotating mode, a thread groove is formed in the connecting port 9, the butterfly bolt 10 is installed in the thread groove, the non-handheld end of the butterfly bolt 10 penetrates through the clamping plate 11 and is fixedly connected with the rotating plate 12, a user enables the whole butterfly bolt 10 to move up and down through the handheld end of the butterfly bolt 10, then the clamping plate 11 is driven to move up and down, the position of the clamping plate 11 is adjusted, and the clamping plate 11 is convenient to clamp a connecting line.

The upper end of protection tube 1 is equipped with first fixed plate 6, first fixed plate 6 and protection tube 1 integrated into one piece, 3 lower extremes of sleeve pipe are equipped with second fixed plate 7, second fixed plate 7 and 3 integrated into one piece of sleeve pipe, the fixed orifices has all been seted up on first fixed plate 6 and the second fixed plate 7, be equipped with fixing bolt 8 in the fixed orifices, first fixed plate 6 and second fixed plate 7 pass through fixing bolt 8 fixed connection, and then with protective sheath fixed mounting in protection tube 1 upper end, and then protect connector 2 effectively.

The crooked setting of grip block 11 lower surface just is equipped with centre gripping pad 13, and crooked setting is for the shape of more laminating wiring, makes grip block 11 bigger with the area of contact of wiring, improves the centre gripping effect, and centre gripping pad 13 is the rubber material, and the rubber material has certain elasticity, avoids grip block 11 centre gripping overtightened, causes the damage to the wiring, and rubber surface's frictional force is great moreover, makes the difficult slip of wiring, further strengthens the centre gripping effect.

The inner wall of the sleeve 3 is provided with a placing frame 14, a drying agent 15 is placed in the placing frame 14, the drying agent 15 can effectively absorb moisture in air in the protective sleeve, the air around the connector 2 is kept dry, the connector 2 is not prone to corrosion, the placing frame 14 is in a mesh shape, and the drying effect is better in order to increase the contact area of the drying agent 15 and the air.

The handheld ring 5 of roof 4 top fixedly connected with, handheld ring 5 surface is equipped with the skid resistant course, and the user can hold handheld ring 5 and rotate roof 4, and then dismantles roof 4 down from sleeve pipe 3, and the person of facilitating the use will connect the wiring on connector 2 to and change drier 15.

The utility model discloses during the use, earlier with sleeve pipe 3 through 8 fixed mounting of fixing bolt in the upper end of protection tube 1, sleeve pipe 3 will protect connector 2, stretch into the pipe box from connector 9 with the wiring again in being connected with connector 2, then rotate butterfly bolt 10 and adjust the position of grip block 11, make grip block 11 carry out centre gripping effectively to the wiring, the fixed wiring that makes of centre gripping can not swing at will, the connection between wiring and the connector 2 has been stabilized, avoid the junction the condition that connection interruption appears to take place, treat that the centre gripping is fixed after, put into desiccant 15 and place in the frame 14, the moisture of air in the protective sheath can be absorbed effectively to desiccant 15, keep the drying of air around connector 2, make connector 2 be difficult for being corroded, hold ring 5 with roof 4 threaded mounting in the upper end of pipe box through rotating at last, accomplish the installation.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A rail transit grounding device comprises a device body and a protective sleeve arranged above the device body, it is characterized in that the device body comprises a protection tube (1) and a connector (2), the protective sleeve comprises a sleeve (3) and a top plate (4) arranged at the top end of the sleeve (3), the top end of the inner wall of the sleeve (3) is provided with a mounting groove, the side wall of the top plate (4) is provided with threads, the top plate (4) is installed in the installation groove in a threaded manner, a connecting port (9) is arranged at the upper end of the sleeve (3), a clamping plate (11) is arranged in the connecting port (9), a rotating groove is arranged in the clamping plate (11), a rotating plate (12) is rotatably arranged in the rotating groove, a thread groove is arranged on the connecting port (9), butterfly bolts (10) are installed to the thread groove internal thread, the non-handheld end of butterfly bolts (10) passes grip block (11) and with rotor plate (12) fixed connection.

2. The rail transit grounding device according to claim 1, wherein a first fixing plate (6) is arranged at an upper end of the protection tube (1), a second fixing plate (7) is arranged at a lower end of the sleeve (3), fixing holes are formed in the first fixing plate (6) and the second fixing plate (7), fixing bolts (8) are arranged in the fixing holes, and the first fixing plate (6) and the second fixing plate (7) are fixedly connected through the fixing bolts (8).

3. The rail transit grounding device of claim 1, wherein the lower surface of the clamping plate (11) is curved and provided with a clamping pad (13), and the clamping pad (13) is made of rubber.

4. The rail transit grounding device according to claim 1, wherein a placing frame (14) is arranged on the inner wall of the sleeve (3), a drying agent (15) is placed in the placing frame (14), and the placing frame (14) is in a mesh shape.

5. The rail transit grounding device according to claim 1, wherein a hand-held ring (5) is fixedly connected above the top plate (4), and an anti-slip layer is arranged on the surface of the hand-held ring (5).

6. The rail transit grounding device according to claim 1, wherein the connector (2) is provided with a connecting hole, and the connecting hole is as high as the connecting port (9).

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