CN219833671U - Ground wire guard box for subway maintenance - Google Patents

Abstract

The utility model discloses a protection box for a ground wire for subway maintenance, and relates to the field of protection boxes. The device includes the earthing box and sets up the fixed pipe in earthing box one side, and the inside of earthing box is provided with the cable, and the one end of cable runs through fixed pipe and is connected with ground, and one side of earthing box is provided with the case lid. This earth connection guard box is used to subway dimension sets up two sets of grip blocks through the fixed pipe department at the earth box, and two sets of grip blocks accessible two-way threaded rod's control goes on simultaneously to the centre or simultaneously to the removal of both sides to two sets of grip blocks are stable the centre gripping in the surface of pegging graft at the inside cable of fixed pipe, avoid contact friction between cable and the fixed pipe lateral wall, effectively protect the cable.

Description

Ground wire guard box for subway maintenance

Technical Field

The utility model relates to the technical field of protection boxes, in particular to a protection box for a ground wire for subway maintenance.

Background

In order to avoid accidents, the ground wire can be connected to the subway power supply equipment, the other end of the ground wire is connected to the ground, once the subway power supply equipment is leaked, static electricity can be brought into the ground by the ground wire to be released, and the plurality of groups of ground wires are collected and protected in a concentrated mode through the grounding box.

The grounding box department is provided with multiunit fixed pipe for separate the earth connection of different power supply unit department, but the one end of earth connection insertion fixed pipe department appears wearing and tearing the condition in a period of time easily, influences the safe handling of earth connection.

The main reason that the problem appears is that the inside of the fixed pipe is not provided with any device for protecting the grounding wire, when one end of the grounding wire is inserted into the fixed pipe, the grounding wire is easy to contact with the inner side wall of the fixed pipe, when the grounding wire is pulled under the action of external force, friction is generated between the part of the grounding wire, which contacts with the fixed pipe, and the grounding wire is worn under the friction for a long time, so that the safe use of the grounding wire is influenced.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a protection box, which solves the problems that a plurality of groups of fixed pipes are arranged at the grounding box and used for separating grounding wires connected with different power supply equipment, but one end of the grounding wire inserted into the fixed pipe is easy to wear in a period of time, and the safe use of the grounding wire is affected.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: a ground wire protection box for subway maintenance, comprising: the ground connection case and the fixed pipe of setting in ground connection case one side, and the inside of ground connection case is provided with the cable, and the one end of cable runs through fixed pipe and is connected with ground, fixed pipe department is provided with the protection machanism that is used for cable protection, and protection machanism is including setting up at the inside two-way threaded rod of ground connection case and being located two sets of grip blocks of fixed pipe department, and the one end and the two-way threaded rod of two sets of grip blocks are connected, and the other end and the surface of cable of two sets of grip blocks offset.

Preferably, the inside wall of ground connection case is provided with the fixing base, two-way threaded rod sets up in fixing base department.

Preferably, one ends of the two groups of clamping plates, which are close to the grounding box, are respectively provided with a group of threaded plates, and the two groups of threaded plates are in threaded sleeve joint with the outer surface of the bidirectional threaded rod.

Preferably, a fixing bolt is arranged on the outer surface of one end of the bidirectional threaded rod extending to the outside of the fixing seat and used for fixing the bidirectional threaded rod.

Preferably, two sets of said screw plates are slidably arranged inside the grounding box.

Preferably, two groups of clamping plates are provided with telescopic rods on the outer surface of one end of each clamping plate, which is far away from the threaded plate, and one end of each telescopic rod is connected with the inner side wall of the fixed pipe.

Preferably, one end of the screw plate is limited and slides in the fixing seat, and a limiting rod for limiting movement of the screw plate is arranged at the fixing seat.

Preferably, the threaded plate is provided with a connecting hole, and the threaded plate is sleeved on the outer surface of the limiting rod through the connecting hole.

Preferably, a case cover is arranged on one side of the grounding case.

The utility model discloses a protection box for a ground wire for subway maintenance, which has the following beneficial effects: this earth connection guard box is used to subway dimension sets up two sets of grip blocks through the fixed pipe department at the earth box, and two sets of grip blocks accessible two-way threaded rod's control goes on simultaneously to the centre or simultaneously to the removal of both sides to two sets of grip blocks are stable the centre gripping in the surface of pegging graft at the inside cable of fixed pipe, avoid contact friction between cable and the fixed pipe lateral wall, effectively protect the cable.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the grounding box of the present utility model;

FIG. 3 is a schematic view of two clamping plate structures according to the present utility model;

FIG. 4 is a schematic view of two sets of clamping plates and a bi-directional threaded rod according to the present utility model;

FIG. 5 is a schematic view of two sets of clamping plates and telescoping rods according to the present utility model.

In the figure: 1. a grounding box; 101. a fixed tube; 102. a case cover; 2. a cable; 3. a protective mechanism; 301. a two-way threaded rod; 302. a thread plate; 303. a clamping plate; 304. a fixing bolt; 305. a fixing seat; 306. a limit rod; 307. a connection hole; 4. a telescopic rod.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model are clearly and completely described, and it is obvious that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The protection box solves the problems that the ground wires connected with different power supply equipment are separated by arranging the plurality of groups of fixing pipes at the ground box, but one end of the ground wire inserted into the fixing pipes is easy to wear in a period of time to influence the safe use of the ground wires, and the protection of the ground wires is realized.

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

The embodiment of the utility model discloses a protection box for a ground wire for subway maintenance.

According to fig. 1-5, a grounding box 1 and a fixed pipe 101 arranged at one side of the grounding box 1 are shown, a cable 2 is arranged in the grounding box 1, the cable 2 is a grounding wire, one end of the cable 2 penetrates through the fixed pipe 101 to be connected with the ground, and a box cover 102 is arranged at one side of the grounding box 1.

The fixed pipe 101 department is provided with the protection machanism 3 that is used for cable 2 protection, protection machanism 3 is including setting up at the inside two-way threaded rod 301 of ground connection case 1 and being located two sets of grip blocks 303 of fixed pipe 101 department, two sets of screw thread grooves have been seted up to the one end of two sets of grip blocks 303 with two-way threaded rod 301, and the groove of two sets of screw thread grooves is opposite, promptly when rotating two-way threaded rod 301, can drive two sets of grip blocks 303 simultaneously to both sides or simultaneously to the centre movement, the other end of two sets of grip blocks 303 offsets with the surface of cable 2, grip block 303 is the rubber material.

The inside wall of grounding box 1 is provided with fixing base 305, the setting of bi-directional threaded rod 301 is in fixing base 305 department, two sets of grip block 303 are close to the one end of grounding box 1 and all are provided with a set of screw thread board 302, two sets of screw thread board 302 screw thread cup joint the surface at bi-directional threaded rod 301, the one end surface that bi-directional threaded rod 301 extends to fixing base 305 outside is provided with fixing bolt 304, be used for the fixed of bi-directional threaded rod 301, two sets of screw thread board 302 slip sets up in the inside of grounding box 1, when rotating bi-directional threaded rod 301, under the effect of threaded connection, two sets of screw thread board 302 and the grip block 303 that is connected with two sets of screw thread board 302 simultaneously move to the centre for two sets of grip block 303 centre gripping is at the surface of cable 2, with cable 2 spacing in the middle part of fixed pipe 101, avoid contact friction between cable 2 and the fixed pipe 101 lateral wall.

The outer surfaces of one ends of the two groups of clamping plates 303, which are far away from the threaded plate 302, are provided with telescopic rods 4, one ends of the telescopic rods 4 are connected with the inner side walls of the fixed pipes 101, and the one ends of the clamping plates 303, which are far away from the threaded plate 302, can be moved to limit.

One end of the thread plate 302 is limited and slides in the fixing seat 305, a limiting rod 306 for limiting movement of the thread plate 302 is arranged at the fixing seat 305, a connecting hole 307 is formed in the thread plate 302, and the thread plate 302 is sleeved on the outer surface of the limiting rod 306 through the connecting hole 307.

This earth connection guard box is used to subway dimension sets up two sets of grip blocks 303 through the fixed pipe 101 department at earth connection case 1, and two sets of grip blocks 303 accessible two-way threaded rod 301's control is carried out simultaneously to the centre or is simultaneously to the removal of both sides to two sets of grip blocks 303 stabilize the centre gripping in the surface of the cable 2 of pegging graft in fixed pipe 101 inside, avoid contact friction between cable 2 and the fixed pipe 101 lateral wall, effectively protect cable 2.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (9)

1. The utility model provides a subway dimension is ground connection protection case for insurance, includes earthing box (1) and sets up fixed pipe (101) in earthing box (1) one side, and the inside of earthing box (1) is provided with cable (2), and fixed pipe (101) are connected with ground is run through to one end of cable (2), its characterized in that: the cable fixing device is characterized in that a protection mechanism (3) for protecting the cable (2) is arranged at the position of the fixing tube (101), the protection mechanism (3) comprises a bidirectional threaded rod (301) arranged inside the grounding box (1) and two groups of clamping plates (303) arranged at the position of the fixing tube (101), one ends of the two groups of clamping plates (303) are connected with the bidirectional threaded rod (301), and the other ends of the two groups of clamping plates (303) are propped against the outer surface of the cable (2).

2. The ground wire protection box for subway maintenance according to claim 1, wherein: the inside wall of grounding box (1) is provided with fixing base (305), two-way threaded rod (301) set up in fixing base (305) department.

3. The ground wire protection box for subway maintenance according to claim 2, wherein: one end of each clamping plate (303) close to the grounding box (1) is provided with a group of threaded plates (302), and the two groups of threaded plates (302) are in threaded sleeve connection with the outer surface of the bidirectional threaded rod (301).

4. A ground wire protection box for maintaining subways as defined in claim 3, wherein: one end outer surface of the bidirectional threaded rod (301) extending to the outside of the fixing seat (305) is provided with a fixing bolt (304) for fixing the bidirectional threaded rod (301).

5. The ground wire protection box for subway maintenance according to claim 4, wherein: the two groups of screw thread plates (302) are arranged inside the grounding box (1) in a sliding way.

6. The ground wire protection box for subway maintenance according to claim 5, wherein: the outer surfaces of one ends of the two groups of clamping plates (303) far away from the threaded plates (302) are provided with telescopic rods (4), and one ends of the telescopic rods (4) are connected with the inner side walls of the fixed tubes (101).

7. The ground wire protection box for subway maintenance according to claim 6, wherein: one end of the thread plate (302) is limited and slides in the fixing seat (305), and a limiting rod (306) for limiting movement of the thread plate (302) is arranged at the fixing seat (305).

8. The ground wire protection box for subway maintenance according to claim 7, wherein: the threaded plate (302) is provided with a connecting hole (307), and the threaded plate (302) is sleeved on the outer surface of the limiting rod (306) through the connecting hole (307).

9. The ground wire protection box for subway maintenance according to claim 1, wherein: a box cover (102) is arranged on one side of the grounding box (1).