CN216530502U

CN216530502U - Support protection device with electric connection function

Info

Publication number: CN216530502U
Application number: CN202123245586.2U
Authority: CN
Inventors: 庞春梅; 庞杰
Original assignee: Sichuan Goldman Sachs Electric Co ltd
Current assignee: Sichuan Goldman Sachs Electric Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-05-13
Anticipated expiration: 2031-12-22

Abstract

The utility model discloses a supporting protection device with an electric connection function, which comprises a preformed armor rod main body (2) and a fixing component, wherein the preformed armor rod main body (2) is arranged on the outer side of a conductor (3), the preformed armor rod main body (2) is arranged on the fixing component, a wiring terminal (4) capable of being electrically connected is arranged on the preformed armor rod main body (2), the fixing component comprises a sheath (1), the sheath comprises a base (11) and an upper cover (12), and the upper cover (12) is arranged on the base (11). The utility model has both mechanical protection and electrical connection functions, and breaks through the limitation that the prior art has only the mechanical protection function or needs to add an electrical connection wire independently; the method also has the advantage of no maintenance, and the line operation and maintenance cost is greatly reduced.

Description

Support protection device with electric connection function

Technical Field

The utility model relates to the technical field of rail transit contact net systems, in particular to a supporting and protecting device with an electric connection function.

Background

In an urban rail transit contact network system, a pole tower, a suspension post or an equipment base are all required to be electrically connected with a lightning conductor or an overhead ground wire, so that accidents caused by electrification of a non-electrified body are prevented. The common protection mode of the lightning conductor or the overhead ground wire when the overhead ground wire is installed at the top of the column is provided with a wire protection strip or a supporting wire clamp; traditional protecting wire strip or supporting fastener do not possess the electricity connection function, consequently for the needs that realize the electricity connection function, the electric connection line of the common a set of preformed helical jumper wire or parallel groove clamp mode that sets up alone. But this undoubtedly increases the cost and also increases the probability of accidents.

An electric connection clamp and electric connection extrusion die are proposed like patent application with application number CN201320010143.1, and the device includes two identical clip splint and lower clip splint, connecting bolt, electric connection line, messenger wire, feeder or overhead earth wire of going up the standard, the clip splint are provided with the clamp mouth, the cross section of clamp mouth is personally submitted the arc, go up the clip splint and go down the clip splint mutually support and have electric connection line and messenger wire, feeder or overhead earth wire through the bolt fastening, the clamp mouth is provided with the gasket with the inboard. Although the device has strong deformation resistance, the device has a complex structure and high manufacturing cost.

Also proposed is a wire protection strip for insulated conductors as set forth in the patent application No. CN201520666541.8, which comprises a wire protection strip body, at least one fixing clip, at least one discharging clip; the protection wire strip body is of a semi-tubular structure, and a protection plate used for shielding an insulator on the insulated wire is arranged in the middle of the protection wire strip body; the wire protecting strip body is fixed and covered on the insulated conducting wire through the fixing wire clamp and the discharge wire clamp, and the discharge wire clamp is electrically connected with the wire protecting strip body. In practical application, the device has poor effect and poor conductivity, and the lead is easily damaged from the outside.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides a support protection device with an electrical connection function, which includes a preformed armor rod main body and a fixing component, wherein the preformed armor rod main body is arranged outside a conductor, the preformed armor rod main body is arranged on the fixing component, and the preformed armor rod main body is provided with a connecting terminal capable of being electrically connected.

Specifically, the fixing assembly comprises a sheath, the sheath comprises a base and an upper cover, and the upper cover is arranged on the base.

Specifically, a rubber gasket is arranged between the preformed armor rod main body and the conductor.

Specifically, the preformed armor rod main part includes preformed helical section and transposition section, the preformed helical section sets up on the conductor, the transposition section sets up on the one end and/or both ends of preformed helical section, be provided with binding post on the transposition section to draw to the mounting point position.

Specifically, the pre-twisted section is uniformly wound on the conductor.

Specifically, conductive sand is laid between the pre-twisted section and the conductor.

The utility model has the beneficial effects that: the pre-twisted wire structure design is adopted, so that the grip force on the conductor is uniformly distributed on the whole pre-twisted wire section, the generation of concentrated stress is avoided, and the conductor is protected from external damage; a rubber gasket is arranged between the preformed armor rod main body and the conductor, so that the vibration level of the installation central point is greatly reduced, the conductor is protected, and the conductor damage caused by the vibration fatigue of the installation central point is avoided; the conductive sand is laid on the inner side of the preformed armor rods, so that the contact area of the preformed armor rods and the conductor is greatly increased, the sliding load level of the preformed armor rods is increased, and the relative displacement between the conductor and the preformed armor rods at the mounting point is avoided; the complex field environment requirements of the electrified railway can be better met; the device has both mechanical protection and electrical connection functions, and breaks through the limitation that the prior art only has the mechanical protection function or needs to separately add an electrical connection wire; the method also has the advantage of no maintenance, and the line operation and maintenance cost is greatly reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a main body of a preformed armor rod according to an embodiment;

FIG. 3 is a schematic structural diagram of the second embodiment of the present invention

FIG. 4 is a schematic structural diagram of a main body of a second preformed armor rod according to an embodiment;

FIG. 5 is a schematic view of a rubber gasket construction;

in the figure, 1-sheath, 2-preformed armor rod body, 3-conductor, 4-connecting terminal, 5-rubber gasket, 6-central color code, 11-base, 12-upper cover, 21-preformed section and 22-twisted section.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

Some embodiments of the utility model are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Example 1:

referring to fig. 1-2, a support protection device with an electrical connection function comprises a preformed armor rod main body 2 and a fixing assembly, wherein the preformed armor rod main body 2 is arranged on the outer side of a conductor 3 (a conducting wire), the preformed armor rod main body 2 is arranged on the fixing assembly, and a wiring terminal 4 capable of being electrically connected is arranged on the preformed armor rod main body 2.

Further, in the present embodiment, the inner diameter of the preformed helical body 2 is smaller than the outer diameter of the conductor 2 or the cable to which the preformed helical body 2 is applied, so that when the preformed helical body 2 is mounted on the conductor 3 or the cable, a uniform compressive stress can be generated on the contact surface of the preformed helical body and the conductor 3 or the cable, and the conductor 3 can be gripped. This application adopts preformed armor rods structural design, will avoid concentrated stress to produce at whole preformed armor rods section 21 to the even distribution of grip of conductor 3, and protection conductor 3 avoids external harm.

Further, in this embodiment, the fixing assembly includes a sheath 1, the sheath includes a base 11 and an upper cover 12, the upper cover 12 is disposed on the base 11, the preformed armor rod main body 2 is disposed between the upper cover 12 and the base 11, and the sheath 1 may be of an axle pin type, a double-lug type or a four-bolt type.

Further, in the present embodiment, a rubber gasket 5 is disposed between the preformed armor rod main body 2 and the conductor 3, and a high-strength aluminum alloy plate is embedded in the rubber gasket 5. The vibration level of the installation central point is greatly reduced, the lead is protected, and the lead damage caused by the vibration fatigue of the installation central point is avoided. (see also FIG. 5)

Further, in this embodiment, the pretwisted wire body 2 includes a pretwisted section 21 and a twisted section 22, the pretwisted section 21 is disposed on the conductor 3, and the twisted section 22 is provided with a connection terminal 4 and is pulled to a mounting point.

Specifically, the length of the twisted section 22 can be arranged according to the field environment and needs, and the complex field environment requirements of the electrified railway can be better met.

Further, in this embodiment, the pretwisted section 21 and the twisted section 22 both include a plurality of pretwisted wires, the pretwisted section 21 and the twisted section 22 are integrally designed to be an integrated structure, and the twisted section 22 is led out from one end of the pretwisted section 21.

Further, in this embodiment, the pretwisted segment 21 is further provided with a center color scale 6.

Further, in the present embodiment, the pre-twisted section 21 is uniformly wound on the conductor 3.

Further, in this embodiment, conductive sand is laid between the pre-twisted section 21 and the conductor 3. The contact area between the preformed armor rods and the conductor 3 is greatly increased, the sliding load level of the preformed armor rods is increased, and the relative displacement between the conductor 3 and the preformed armor rods at the mounting point is avoided; meanwhile, due to the design of the conductive sand, the contact resistance between the preformed armor rods and the conductor 3 is greatly improved, and the overall conductive level of the device is improved.

Example 2:

referring to fig. 3-4, compared to embodiment 1, in this embodiment, two electrically connectable connection terminals 4 are led out from the preformed armor rod main body 2, the preformed armor rod main body 2 includes a preformed section 21 and a twisted section 22, the preformed section 21 is disposed on the conductor 3, and the twisted section 22 is provided with the connection terminals 4 and is pulled to a mounting point. The pre-twisted section 21 and the twisted section 22 both comprise a plurality of pre-twisted wires, the pre-twisted section 21 and the twisted section 22 are integrally designed into an integral structure, and the twisted section 22 is respectively led out from two ends of the pre-twisted section 21.

The assembly method of the utility model comprises the following steps: determining a mounting central point on the conductor 3, polishing the preformed armor rods winding sections of the conductor 3 on two sides of the central point, and smearing conductive paste; installing a rubber gasket 5 at the central point of the conductor 3 and fixing the rubber gasket by using an insulating adhesive tape; aligning a central color code 6 on the pre-twisted section 21 to the installation central point of the conductor 3, and uniformly winding the pre-twisted section 21 on the conductor 3; mounting the base 11 on the top of the shoulder frame of the lightning conductor or the overhead ground wire; placing the conductor 3 with the preformed armor rods installed in the base 11, and installing the upper cover 12; and (3) the stranded section 22 is pulled to the installation point position needing to realize the electric connection function, the trend of the stranded section 22 is adjusted, the appropriate length is taken, and the installation point position needing to be electrically connected is pressed between the terminal 4 and a shoulder frame or a grounding point and the like, so that the installation of the whole device is completed.

The utility model can be used for the fixed installation of an overhead ground wire or a lightning conductor or all column tops and provides mechanical protection at the installation position of a conductor with an electric connection requirement, and can be connected with a non-electrified body to realize an electric connection function; when the non-electrified body is electrified accidentally, the current is guided to the lightning conductor or the overhead ground wire or other conductors in time, the equipment body is protected, and electric shock accidents are prevented. The defect that the existing wire clamp only can realize a mechanical protection function and does not have an electrical connection function is overcome, the construction, operation and maintenance cost is reduced, and the accident occurrence probability is reduced.

The utility model has both mechanical protection and electrical connection functions, and breaks through the limitation that the prior art has only the mechanical protection function or needs to separately add an electrical connection wire; because the lightning conductor or the overhead ground wire is positioned at the highest end of the electrified railway line, the problems of incomplete daily maintenance and overhaul, incapability of finding the loosening of the bolt at the upper end and the like are solved, and the integral preformed armor rods of the device are tightly wound on the conductor, so that the device has the advantage of being free of maintenance, and the line operation and maintenance cost is greatly reduced.

Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the utility model. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", and the like, which represent the orientations or positional relationships based on those shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the above embodiments, the basic principle and the main features of the present invention and the advantages of the present invention are described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, and that modifications and variations can be made by one skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a support protection device that possesses electricity connection function, its characterized in that, includes preformed armor rod main part (2) and fixed subassembly, preformed armor rod main part (2) set up in conductor (3) outside, preformed armor rod main part (2) set up on fixed subassembly, be provided with binding post (4) that can the electricity be connected on preformed armor rod main part (2).

2. A support and protection device with electric connection function as claimed in claim 1, characterized in that said fixing assembly comprises a sheath (1) including a base (11) and an upper cover (12), said upper cover (12) being arranged on said base (11).

3. A support and protection device with electric connection function as claimed in claim 1, characterized in that a rubber gasket (5) is arranged between the preformed armor rod body (2) and the conductor (3).

4. The support protection device with the electric connection function as claimed in claim 1 or 3, wherein the pretwisted wire main body (2) comprises a pretwisted section (21) and a twisted section (22), the pretwisted section (21) is arranged on the conductor (3), the twisted section (22) is arranged on one end and/or two ends of the pretwisted section (21), and the twisted section (22) is provided with a terminal (4) and is pulled to a mounting point.

5. A support and protection device with electric connection according to claim 4, characterized in that said pre-twisted section (21) is uniformly wound on the conductor (3).

6. The support protector with electric connection function as claimed in claim 4, characterized in that conductive sand is laid between the pre-twisted section (21) and the conductor (3).