CN210985492U

CN210985492U - Protection device for laying road and bridge cables

Info

Publication number: CN210985492U
Application number: CN201920461949.XU
Authority: CN
Inventors: 陈铱夲
Original assignee: Zhejiang Industry Polytechnic College
Current assignee: Zhejiang Industry Polytechnic College
Priority date: 2019-04-08
Filing date: 2019-04-08
Publication date: 2020-07-10
Anticipated expiration: 2029-04-08

Abstract

The utility model relates to a road and bridge cable laying uses protection device, have the outer protection tube of cylindrical outer lumen, the middle inner protection tube that has cylindrical inner lumen, the annular shock attenuation support ring of circle, the annular shock attenuation connector of circle including the centre, the inner protection tube is installed in the outer protection tube by a plurality of covers shock attenuation support ring above that, docks in two adjacent inner protection tubes insert the inner circle of shock attenuation connector, and two adjacent outer protection tube covers are connected at shock attenuation connector two. The utility model has the advantages that: set up inner protection pipe and outer protection pipe, provide double-deck protection, use shock attenuation support ring to make the inner protection pipe support in the outer protection pipe, shock attenuation support ring carries out shock attenuation work, reduces vibrations to wearing the influence of cable in the inner protection pipe.

Description

Protection device for laying road and bridge cables

Technical Field

The utility model relates to a cable laying technical field especially relates to a road and bridge cable laying uses protection device.

Background

Along with the urbanization development, the scale of urban power grid is bigger and bigger, the structure is more and more complicated, in order to make the earth's surface environment clean and tidy, pleasing to the eye in recent years, many cities all lay the cable under the road, when passing through the bridge, hang the cable on the lateral wall of bridge, but current cable generally directly overlaps in the individual layer PVC protection tube, because can cause road, bridge to appear slight vibrations in the vehicle driving process, make cable aversion wearing and tearing easily, make the joint department of cable become flexible even and drop, reduce the life-span of cable and even cause the danger of outage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above problem that prior art exists, provide a road and bridge protection device for cable laying.

For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:

a protection device for paving a road and bridge cable comprises an outer protection tube with a cylindrical outer tube cavity in the middle, an inner protection tube with a cylindrical inner tube cavity in the middle, an annular damping support ring and an annular damping connector, wherein the inner protection tube is installed in the outer protection tube by a plurality of damping support rings sleeved on the inner protection tube, two adjacent inner protection tubes are inserted into an inner ring of the damping connector to be in butt joint, and two adjacent outer protection tubes are sleeved at two ends of the damping connector to be connected; the damping connector comprises an inner rubber pipe, an outer rubber pipe and a plurality of first rubber blocks for connecting the inner rubber pipe and the outer rubber pipe, the inner rubber pipe and the outer rubber pipe are coaxial, and the plurality of first rubber blocks are arranged in an annular array; the shock absorption support ring comprises a first rubber ring sleeved on the inner protection tube, a second rubber ring attached in the outer protection tube, and a plurality of second rubber blocks connected with the first rubber ring and the second rubber ring, the first rubber ring and the second rubber ring are coaxial, and the second rubber blocks are arranged in an annular array.

The outer protection tube comprises two symmetrical tube shells, a cylindrical outer tube cavity is formed in the middle of the two tube shells after the two tube shells are spliced, mounting bars extending outwards in the radial direction of the tube shells are arranged on two sides of the tube shells respectively, and the two tube shells are connected in series through corresponding mounting holes in the mounting bars through fasteners to be fixed.

The protection device further comprises a Z-shaped connecting frame, wherein a mounting hole formed in one end of the connecting frame is connected with a mounting hole formed in the mounting bar in series through a fastener, so that one end of the connecting frame is fixedly connected with the mounting bar, and the other end of the connecting frame is also provided with a mounting hole for the fastener to penetrate through.

Wherein, the both ends of outer rubber tube respectively set up two mounting panels that extend along same diametric (al) direction, the both ends of mounting bar respectively set up a draw-in groove that is used for the dress card mounting panel, and the mounting hole on the mounting panel establishes ties through the fastener with the mounting hole on the mounting bar and makes mounting panel and mounting bar be connected fixedly.

The middle part of the outer side of the outer rubber pipe is provided with a circle of limiting flanges protruding outwards, and the end part of the outer protection pipe is abutted against the limiting flanges.

The utility model has the advantages that: set up inner protection pipe and outer protection pipe, provide double-deck protection, use shock attenuation support ring to make the inner protection pipe support in the outer protection pipe, shock attenuation support ring carries out shock attenuation work, reduces vibrations to wearing the influence of cable in the inner protection pipe.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic structural view of a protection device in an embodiment of the present invention in a state without a connection frame;

FIG. 2 is a schematic structural view of the embodiment of the present invention in a state where the protection device has a connection frame;

fig. 3 is a schematic structural view illustrating the opening of the tube shell in the state that the protection device has no connecting frame in the embodiment of the present invention;

fig. 4 is an exploded view of an outer protection tube in an embodiment of the present invention;

FIG. 5 is a schematic structural view of a shock-absorbing connector according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a shock absorbing support ring according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a connection frame in an embodiment of the present invention.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

As shown in fig. 1 to 7, a protection device for paving a road bridge cable comprises an outer protection tube 1 with a cylindrical outer tube cavity in the middle, an inner protection tube 2 with a cylindrical inner tube cavity in the middle, an annular damping support ring 3 and an annular damping connector 4, wherein the inner protection tube 2 is installed in the outer protection tube 1 through a plurality of damping support rings 3 sleeved on the inner protection tube 2, two adjacent inner protection tubes 2 are inserted into an inner ring of the damping connector 4 to be butted, and two adjacent outer protection tubes 1 are sleeved on two ends of the damping connector 4 to be connected; the damping connector 4 comprises an inner rubber tube 13, an outer rubber tube 11 and a plurality of first rubber blocks 14 for connecting the inner rubber tube 13 and the outer rubber tube 11, the inner rubber tube 13 and the outer rubber tube 11 are coaxial, and the plurality of first rubber blocks 14 are arranged in an annular array; the shock absorption support ring 3 comprises a first rubber ring 18 sleeved on the inner protection tube 2, a second rubber ring 17 attached in the outer protection tube 1, and ten second rubber blocks 19 connecting the first rubber ring 18 and the second rubber ring 17, wherein the first rubber ring 18 is coaxial with the second rubber ring 17, and the ten second rubber blocks 19 are arranged in an annular array.

Set up inner protection pipe 2 and outer protection pipe 1, provide double-deck protection, use shock attenuation support ring 3 to make inner protection pipe 2 support in outer protection pipe 1, shock attenuation support ring 3 carries out shock attenuation work, reduces vibrations to wearing the influence of cable in inner protection pipe 2.

Outer protection tube 1 includes two symmetrical tube shells 6, and two tube shells 6 splice the middle cylindrical outer lumen that forms in the back, and tube shell 6's both sides are provided with respectively along its radial outside mounting bar 7 that extends, and two tube shells 6 will set up through fastener 10 and establish 8 series connection of mounting hole that correspond on mounting bar 7 and fix. The fastener 10 is a hexagonal head bolt and a hexagonal nut which are screwed together.

The protection device further comprises a Z-shaped connecting frame 5, a mounting hole 8 formed in one end of the connecting frame 5 is connected with a mounting hole 8 formed in the mounting bar 7 in series through a fastener 10, so that one end of the connecting frame 5 is fixedly connected with the mounting bar 7, and the other end of the connecting frame 5 is also provided with a mounting hole 8 through which the fastener penetrates. The connecting frame 5 is mainly used for installing and fixing the outer protection pipe 1 on the side wall of the bridge.

The outer rubber tube 11 has an outer diameter equal to the inner diameter of the outer protective tube 1 and the inner rubber tube 13 has an inner diameter equal to the outer diameter of the inner protective tube 2.

Two mounting panels 15 that extend along same diametric direction are respectively set up at the both ends of outer rubber tube 11, and the both ends of mounting bar 7 respectively set up a draw-in groove 9 that is used for the dress card mounting panel, and mounting hole 8 on mounting panel 15 and the mounting hole 8 on mounting bar 7 establish ties through fastener 10 and make mounting panel 15 be connected fixedly with mounting bar 7.

The middle part of the outer side of the outer rubber tube 11 is provided with a circle of limiting flanges 12 protruding outwards, and the end part of the outer protection tube 1 is abutted to the limiting flanges 12.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a road and bridge protection device for cable laying which characterized in that: the protection device comprises an outer protection tube with a cylindrical outer tube cavity in the middle, an inner protection tube with a cylindrical inner tube cavity in the middle, an annular damping support ring and an annular damping connector, wherein the inner protection tube is installed in the outer protection tube through a plurality of damping support rings sleeved on the inner protection tube; the damping connector comprises an inner rubber pipe, an outer rubber pipe and a plurality of first rubber blocks for connecting the inner rubber pipe and the outer rubber pipe, the inner rubber pipe and the outer rubber pipe are coaxial, and the plurality of first rubber blocks are arranged in an annular array; the damping support ring comprises a first rubber ring sleeved on the inner protection tube, a second rubber ring attached in the outer protection tube, and a plurality of second rubber blocks for connecting the first rubber ring and the second rubber ring, wherein the first rubber ring and the second rubber ring are coaxial, and the plurality of second rubber blocks are arranged in an annular array; the outer protection tube comprises two symmetrical tube shells, a cylindrical outer tube cavity is formed in the middle of the two tube shells after the two tube shells are spliced, mounting bars extending outwards in the radial direction of the tube shells are arranged on two sides of the tube shells respectively, and the two tube shells are fixed in series through corresponding mounting holes formed in the mounting bars through fasteners.

2. The protection device for road and bridge cable laying according to claim 1, characterized in that: the protection device further comprises a Z-shaped connecting frame, wherein a mounting hole formed in one end of the connecting frame is connected with a mounting hole formed in the mounting bar in series through a fastener, so that one end of the connecting frame is fixedly connected with the mounting bar, and the other end of the connecting frame is also provided with a mounting hole for the fastener to penetrate through.

3. The protection device for road and bridge cable laying according to claim 1, characterized in that: the both ends of outer rubber tube respectively set up two mounting panels that extend along same diametric (al) direction, the both ends of mounting bar respectively set up a draw-in groove that is used for adorning the card mounting panel, and the mounting hole on the mounting panel establishes ties through the fastener with the mounting hole on the mounting bar and makes mounting panel and mounting bar be connected fixedly.

4. The protection device for road and bridge cable laying according to claim 1, characterized in that: the middle part of the outer side of the outer rubber pipe is provided with a circle of limiting flanges protruding outwards, and the end part of the outer protection pipe is abutted against the limiting flanges.