CN211858927U

CN211858927U - Railway contact net grounding shoe

Info

Publication number: CN211858927U
Application number: CN202020918737.2U
Authority: CN
Inventors: 刘功; 郭柱; 刘会宝
Original assignee: Fourth Engineering Co Ltd of China Railway Construction Electrification Bureau Group Co Ltd
Current assignee: Fourth Engineering Co Ltd of China Railway Construction Electrification Bureau Group Co Ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2020-11-03
Anticipated expiration: 2030-05-27

Abstract

The utility model provides a grounding boot for a railway contact network, which comprises a conductive rod, wherein the conductive rod is provided with a fastener, a sliding clamp and a conductive piece, and the sliding clamp slides along the length direction of the conductive rod and is used for connecting the conductive rod and a track; one end of the conducting rod is provided with a fastener for connecting the grounding wire with the conducting rod through the fastener; the other end of the conducting rod is provided with a conducting piece for connecting the conducting rod and the track; during the use, the one end and the earth connection of conducting rod are connected to fasten earth connection and conducting rod through the fastener, slip clamp with ground connection boots joint on orbital lower edge, and through electrically conductive piece joint is on the rail, with the rigidity of being connected between effective assurance ground connection boots and the track. The utility model provides a novel ground connection boots is connected through sealing the line with the ground connection and the abundant contact of track to can obtain its can effectually avoid causing the damage to the track because of the impulse current that the short circuit produced according to the short circuit experiment test.

Description

Railway contact net grounding shoe

Technical Field

The utility model relates to an overhaul tool on the railway line, concretely relates to novel railway contact net ground connection boots.

Background

The grounding wire is a safety barrier for protecting maintenance personnel, is a life wire for power supply workers, can prevent the damage to the human body caused by sudden incoming calls, and is an important electrical safety technical measure. In daily work, the grounding wire is frequently used, and the quality and the connection effect of the grounding shoe are key components for ensuring the reliability of the grounding wire.

After the electrified railway contact net is in power failure, induced current of 1000A exists on contact net equipment, so that the contact net equipment must be grounded in the power failure construction of the contact net in an electrified section. The ground connection boots of present ground connection seal line adopt hook bolt, removal buckle and ground wire connecting bolt to constitute, though can satisfy the needs of contact net equipment ground connection, but because the hook bolt of ground connection boots is less with the contact surface of rail, great short-circuit current probably causes the damage to the rail when carrying out the contact net short circuit test, there is certain potential safety hazard in the contact net construction.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to above-mentioned problem, provide a railway contact net ground connection boots.

In order to achieve the purpose, the utility model provides a grounding boot of a railway contact network, which comprises a conductive rod, wherein the conductive rod is provided with a fastener, a sliding clamp and a conductive piece, and the sliding clamp slides along the length direction of the conductive rod and is used for connecting the conductive rod and a track; one end of the conducting rod is provided with a fastener for connecting the grounding wire with the conducting rod through the fastener; the other end of the conducting rod is provided with a conducting piece for connecting the conducting rod and the track; when the device is used, one end of the conducting rod is connected with the grounding wire, the grounding wire and the conducting rod are fastened through the fastening piece, the grounding boot is clamped on the lower edge of the track through the sliding clamp, and the steel rail is clamped through the conductive piece, so that the connection rigidity between the grounding boot and the track is effectively guaranteed;

preferably, the conductive rod is provided as a screw;

preferably, the fastener is a nut matched with the screw rod;

preferably, the conductive member is made of a conductive material.

As a further aspect of the present invention: in order to facilitate flexible sliding of the sliding hoop on the screw rod, the sliding hoop comprises a sliding block and a hoop, the sliding block is spirally arranged on the screw rod, and the hoop is fixedly arranged on the sliding block;

preferably, the hoop is also provided with one or more through holes for installing bolts, and the hoop is clamped with the lower edge of the track through the bolts;

preferably, the sliding block and the clamp are fixedly arranged in an integrated forming mode or a welding mode.

As a further aspect of the present invention: in order to prevent the steel plate from randomly rotating on the screw rod, the connecting end of the screw rod and the conductive piece is of an elbow structure, and the conductive piece is welded on the inner side of the elbow of the screw rod.

As a further aspect of the present invention: in order to effectively ensure the contact area and the connection rigidity between the conductive piece and the track, the size of the conductive piece is set to be 200mm by 50mm by 5 mm.

Use the technical scheme of the utility model, following beneficial effect has:

(1) the utility model provides a novel ground connection boots is connected through sealing the line with the ground connection and the abundant contact of track to can obtain its can effectually avoid causing the damage to the track because of the impulse current that the short circuit produced according to the short circuit experiment test.

(2) The utility model discloses well position of slip clamp on the screw rod can effectively be adjusted to be fit for each type of rail.

(3) The utility model discloses the accessory cost is lower, and easy operation is reliable, and with the earth connection between be connected with dismantle easy operation, when the accident is salvageed, can effectively shorten and the earth connection between the operating time be connected, be fit for using fast on general fast and high-speed railway line.

(4) The utility model discloses and adopt two kinds of modes to carry out effective connection between the track to effectively guarantee and the track between be connected the rigidity.

(5) The utility model discloses an increase and the track between be connected area of contact, effectively avoid because of the injury that induced-current caused operating personnel and track equipment.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is an axial view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structural axis of the sliding clamp of the present invention;

FIG. 3 is a schematic view of the structural axis of the screw rod of the present invention;

fig. 4 is the shaft measuring and indicating view of the whole structure after the connection with the ground wire and the rail of the present invention.

Wherein-1: screw, 1-1: inside of the elbow, 2: nut, 2-1: first nut, 2-2: second nut, 3: slide clamp, 3-1: sliding block, 3-2: a hoop and 3-3: bolt, 4: steel plate, 5: grounding wire, 6: a track.

Detailed Description

The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.

Referring to fig. 1 and 4, the utility model provides a railway contact net grounding shoe, including screw rod 1, a tip of screw rod 1 is equipped with nut 2, be equipped with slip clamp 3 and steel sheet 4 on screw rod 1, during the use, one end of screw rod 1 is connected with earth connection 5 to fasten earth connection 5 and screw rod 1 through nut 2, slip clamp 3 with grounding shoe joint on the lower edge of track 6, steel sheet 4 joint is on track 6, in order to effectively guarantee the rigidity of being connected between grounding shoe and track 6;

preferably, in order to prevent the nut 2 from slipping on the screw 1, the nut 2 includes a first nut 2-1 and a second nut 2-2, and the threads of the first nut 2-1 and the second nut 2-2 are rotated in the forward direction and in the reverse direction, respectively, to prevent the slipping.

As a further embodiment of the present invention: referring to fig. 2, in order to facilitate the flexible sliding of the sliding clamp 3 on the screw rod 1, the sliding clamp 3 includes a sliding block 3-1 and a clamp 3-2, the sliding block 3-1 is spirally mounted on the screw rod 1, and the clamp 3-2 is fixedly disposed on the sliding block;

preferably, the clamp 3-2 is further provided with one or more through holes (not marked) for installing the bolts 3-3, and the clamp 3-2 is clamped with the lower edge of the rail 6 through the bolts 3-3;

preferably, the sliding block 3-1 and the clamping hoop 3-2 are fixedly arranged in an integrated forming mode or a welding mode.

As a further embodiment of the present invention: referring to fig. 3, in order to prevent the steel plate 4 from freely rotating on the screw rod 1, the connecting end of the screw rod 1 and the steel plate 4 is arranged in an elbow structure, and the steel plate 4 is welded at the inner side 1-1 of the elbow of the screw rod 1.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a railway contact net boots that connect ground which characterized in that: comprises a conductive rod, a fastener, a sliding clamp and a conductive piece are arranged on the conductive rod,

the sliding clamp slides along the length direction of the conducting rod and is used for connecting the conducting rod with the track;

one end of the conducting rod is provided with a fastener for connecting the grounding wire with the conducting rod through the fastener;

the other end of the conducting rod is provided with a conducting piece for connecting the conducting rod and the track;

during the use, the one end and the earth connection of conducting rod are connected to fasten earth connection and conducting rod through the fastener, slip clamp with ground connection boots joint on orbital lower edge, and through electrically conductive piece joint is on the rail, with the rigidity of being connected between effective assurance ground connection boots and the track.

2. The grounding shoe of claim 1, wherein: the conducting rod is set to be a screw rod, and the fastening piece is a nut matched with the screw rod.

3. The grounding shoe of claim 1, wherein: the conductive piece is made of conductive materials.

4. The grounding shoe of claim 1, wherein: the slip clamp includes sliding block and clamp, sliding block spiral installation is on the screw rod, the clamp is fixed to be set up on the sliding block.

5. A grounding shoe according to claim 4, wherein: still be equipped with one or more than the through-hole that is used for construction bolt on the clamp, the clamp passes through bolt and orbital lower edge joint.

6. A grounding shoe according to claim 5, wherein: the sliding block and the clamp are arranged in an integrated forming mode or in a welding mode.

7. A grounding boot according to any of claims 1-6, characterized in that: the connecting end of the conducting rod and the conducting piece is of an elbow structure, and the conducting piece is welded on the inner side of the elbow of the screw rod.

8. A grounding boot as claimed in claim 7, wherein: the size of the conductive member is set to 200mm 50mm 5 mm.