CN211701324U

CN211701324U - Cable testing bridge dysmorphism ventilates dustproof curved expert

Info

Publication number: CN211701324U
Application number: CN202020500687.6U
Authority: CN
Inventors: 吴三民; 李改田
Original assignee: Huizhou Sanmon Industrial Co ltd
Current assignee: Huizhou Sanmon Industrial Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-10-16
Anticipated expiration: 2030-04-08

Abstract

The utility model discloses a dustproof curved expert of cable testing bridge dysmorphism ventilation, including curved expert's body, this internal L-shaped groove that is equipped with of curved expert, the inner wall in L-shaped groove is equipped with a plurality of installing ports, be equipped with bull stick, spacing between the both sides inner wall in L-shaped groove, the dead axle, the bull stick rotates with the both sides inner wall in L-shaped groove to be connected, the both sides inner wall fixed connection in spacing and dead axle and L-shaped groove, the one end fixedly connected with slewing mechanism of bull stick, be equipped with the spacing groove in the bull stick, the dead axle passes through stretching mechanism fixedly connected with stopper, be equipped with a shape chamber in the stopper, the bar intracavity be equipped with spacing groove matched with stop gear, this curved expert's air permeability is good and easy dismouting, has reduced the degree of difficulty of cable damage and cable maintenance.

Description

Cable testing bridge dysmorphism ventilates dustproof curved expert

Technical Field

The utility model relates to a curved technical field that leads to of crane span structure especially relates to a dustproof curved expert of cable testing bridge dysmorphism ventilation.

Background

Cables are generally rope-like cables made by stranding several wires or groups of wires, each group of wires being insulated from one another and often twisted around a center, covered with a highly insulating covering throughout, and erected in the air or installed underground, underwater for telecommunication or power transmission.

The cable need turn to sometimes at the erection in-process, at this moment just need use the elbow, traditional elbow needs the welding to consolidate after setting up, may damage the cable during the welding and cause unnecessary loss, the cable that is in the elbow is in the bending state for a long time, easy damage, nevertheless the welding back elbow does not have the air permeability and difficult overhaul, has increased the degree of difficulty of cable maintenance, long-term poor air permeability may cause the interior fungus of elbow to breed, reduces the life of cable.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the dustproof curved expert of cable testing bridge dysmorphism ventilation that proposes, should bend and lead to the good and easy dismouting of air permeability, reduced the degree of difficulty of the possibility of cable damage and cable maintenance.

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

the utility model provides a dustproof curved expert of cable testing bridge dysmorphism ventilation, includes the curved expert body, this internal L-shaped groove that is equipped with of curved expert, the inner wall in L-shaped groove is equipped with a plurality of installing ports, be equipped with bull stick, spacing between the both sides inner wall in L-shaped groove, the dead axle, the bull stick rotates with the both sides inner wall in L-shaped groove to be connected, the both sides inner wall fixed connection in spacing and dead axle and L-shaped groove, the one end fixedly connected with slewing mechanism of bull stick, be equipped with the spacing groove in the bull stick, the dead axle passes through stretching mechanism fixedly connected with stopper, be equipped with strip shape chamber in the stopper, the strip intracavity be equipped with spacing groove matched with stop gear.

Preferably, the rotating mechanism comprises a driving motor arranged on one side of the elbow body, and the tail end of an output shaft of the driving motor extends into the L-shaped groove and is fixedly connected with the rotating rod.

Preferably, the stretching mechanism comprises a torsion spring fixedly connected with the fixed shaft, a connecting plate is fixed at one end of the torsion spring, a flexible dustproof net is fixedly connected at the other end of the connecting plate, one end of the flexible dustproof net is fixedly connected with the limiting block, a strip-shaped opening is formed in the limiting strip, and the limiting block drives the flexible dustproof net to penetrate through the strip-shaped opening.

Preferably, stop gear is including setting up the slide in the bar intracavity, the both sides inner wall sliding connection in slide and bar chamber, the lower extreme of slide passes through the interior bottom elastic connection in a plurality of springs and bar chamber, the upper end of slide is equipped with the wedge and presses the pole, the wedge all runs through the interior top in bar chamber with pressing the pole, the upper end of spacing groove is equipped with the wedge groove with wedge matched with.

Preferably, the two sides of the flexible dustproof net are attached to the inner walls of the two sides of the L-shaped groove.

Preferably, a rubber sleeve is arranged on the pressing rod.

The utility model has the advantages that:

1. be provided with slewing mechanism and stop gear, dismantlement when making things convenient for cable maintenance has reduced cable maintenance's the degree of difficulty.

2. The limiting mechanism replaces transmission welding, the possibility that the cable is damaged during elbow welding is eliminated, meanwhile, the ventilation performance in the elbow is improved, and the service life of the cable is prolonged.

Drawings

Fig. 1 is a schematic structural view of a cable bridge profile ventilation dustproof elbow according to the present invention;

fig. 2 is a schematic front structural view of a cable bridge profile ventilation dustproof elbow according to the present invention;

fig. 3 is an enlarged schematic view of a stretching mechanism of the cable bridge profile ventilation dustproof elbow provided by the utility model;

fig. 4 is the utility model provides a cable testing bridge dysmorphism ventilates dustproof bent stop gear who leads to and enlarges the schematic diagram.

In the figure: the flexible dust screen comprises a bend-through body 1, a mounting opening 2, a rotating rod 3, a limiting groove 4, a limiting strip 5, an L-shaped groove 6, a fixed shaft 7, a driving motor 8, a flexible dust screen 9, a limiting block 10, a connecting plate 11, a torsion spring 12, a strip-shaped cavity 13, a spring 14, a sliding plate 15, a pressing rod 16 and a wedge-shaped block 17.

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. 1-4, a cable bridge profile ventilation dustproof elbow comprises an elbow body 1, an L-shaped groove 6 is arranged in the elbow body 1, a plurality of mounting ports 2 are arranged on the inner wall of the L-shaped groove 6, a rotating rod 3, a limiting strip 5 and a fixed shaft 7 are arranged between the inner walls of two sides of the L-shaped groove 6, the rotating rod 3 is rotatably connected with the inner walls of two sides of the L-shaped groove 6, the limiting strip 5 and the fixed shaft 7 are fixedly connected with the inner walls of two sides of the L-shaped groove 6, one end of the rotating rod 3 is fixedly connected with a rotating mechanism, the rotating mechanism comprises a driving motor 8 arranged on one side of the elbow body 1, the tail end of an output shaft of the driving motor 8 extends into the L-shaped groove 6 and, but regular start-up driving motor 8 drives bull stick 3 and rotates, and on 9 pivots of flexible dust screen that will amass the dust accumulated the bull stick 3, pull out new flexible dust screen 9 from dead axle 7, prevent that flexible dust screen 9 long-term deposition from influencing the air permeability.

Be equipped with spacing groove 4 in the bull stick 3, dead axle 7 passes through extension mechanism fixedly connected with stopper 10, extension mechanism include with 7 fixed connection's of dead axle torque spring 12, torque spring 12's one end is fixed with connecting plate 11, the flexible dust screen 9 of the other end fixedly connected with of connecting plate 11, the one end and the stopper 10 fixed connection of flexible dust screen 9 are equipped with the bar opening in the spacing 5, stopper 10 area flexible dust screen 9 runs through the bar opening.

A strip-shaped cavity 13 is arranged in the limiting block 10, a limiting mechanism matched with the limiting groove 4 is arranged in the strip-shaped cavity 13, the limiting mechanism comprises a sliding plate 15 arranged in the strip-shaped cavity 13, the sliding plate 15 is in sliding connection with the inner walls of the two sides of the strip-shaped cavity 13, the lower end of the sliding plate 15 is in elastic connection with the inner bottom of the strip-shaped cavity 13 through a plurality of springs 14, a wedge-shaped block 17 and a pressing rod 16 are arranged at the upper end of the sliding plate 15, the wedge-shaped block 17 and the pressing rod 16 both penetrate through the inner top of the strip-shaped cavity 13, a wedge-shaped groove matched with the wedge-shaped block 17 is arranged at the upper end of the limiting groove 4, two bridge frames in different directions are installed through a plurality of installing ports 2, the limiting block 10 is pulled up from the fixed shaft 7, the limiting block 10 is pulled to pass through a strip-shaped opening in the limiting block 5, the limiting, then the limiting block 10 is pressed towards the limiting groove 4 in the rotating shaft 3, under the elastic action of the spring 14, when the wedge block 17 reaches the wedge-shaped groove at the upper end of the limiting groove 4, the wedge block 17 moves upwards and is buckled with the wedge-shaped groove to complete limiting.

When the cable in the L-shaped groove 6 goes wrong and needs to be maintained, only the pressing rod 16 needs to be pressed down, the pressing rod 16 drives the sliding plate 15 to move downwards, the sliding plate 15 drives the wedge block 17 to leave the wedge-shaped groove, under the elastic action of the torsion spring 12, the flexible dustproof net 9 and the limiting block 10 can be pulled back to the fixed shaft 7 again, the cable can be maintained at the moment, the two sides of the flexible dustproof net 9 are attached to the inner walls of the two sides of the L-shaped groove 6, the dustproof performance is improved, the rubber sleeve is arranged on the pressing rod 16, and the pressing is easy and labor-saving.

When the utility model is used, firstly, two bridges in different directions are installed through a plurality of installing ports 2, then the stopper 10 is pulled up from the fixed shaft 7, the stopper 10 is pulled to pass through the strip-shaped opening in the stopper 5, the stopper 10 drives the flexible dustproof net 9 to pass through the strip-shaped opening, under the elastic action of the torsion spring 12, the flexible dustproof net 9 is always in a stretched state, then the stopper 10 is pressed into the limit groove 4 in the rotating shaft 3, under the elastic action of the spring 14, when the wedge 17 reaches the wedge-shaped groove at the upper end of the limit groove 4, the wedge 17 moves upwards and is buckled with the wedge-shaped groove to complete the limit, the driving motor 8 can be started regularly to drive the rotating rod 3 to rotate, the rotating shaft of the flexible dustproof net 9 full of dust is accumulated on the rotating rod 3, a new flexible dustproof net 9 is pulled out from the fixed shaft 7, the influence on the ventilation of the long-term dust accumulation of the flexible dustproof net 9 is prevented, when the cable in the L-shaped groove 6 goes wrong, the pressing rod 16 is only required to be pressed down, the pressing rod 16 drives the sliding plate 15 to move downwards, the sliding plate 15 drives the wedge block 17 to leave the wedge-shaped groove, the flexible dustproof net 9 and the limiting block 10 are pulled back to the fixed shaft 7 again under the elastic action of the torsion spring 12, and then the cable can be maintained.

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

1. A special-shaped ventilation dustproof elbow for a cable bridge comprises an elbow body (1) and is characterized in that, an L-shaped groove (6) is arranged in the elbow body (1), the inner wall of the L-shaped groove (6) is provided with a plurality of mounting openings (2), a rotating rod (3), a limiting strip (5) and a fixed shaft (7) are arranged between the inner walls of the two sides of the L-shaped groove (6), the rotating rod (3) is rotationally connected with the inner walls at two sides of the L-shaped groove (6), the limiting strip (5) and the fixed shaft (7) are fixedly connected with the inner walls at two sides of the L-shaped groove (6), one end of the rotating rod (3) is fixedly connected with a rotating mechanism, a limit groove (4) is arranged in the rotating rod (3), the fixed shaft (7) is fixedly connected with a limiting block (10) through a stretching mechanism, a strip-shaped cavity (13) is arranged in the limiting block (10), and a limiting mechanism matched with the limiting groove (4) is arranged in the strip-shaped cavity (13).

2. The special-shaped ventilation dustproof elbow for cable bridges as claimed in claim 1, wherein the rotating mechanism comprises a driving motor (8) arranged on one side of the elbow body (1), and the tail end of an output shaft of the driving motor (8) extends into the L-shaped groove (6) and is fixedly connected with the rotating rod (3).

3. The special-shaped ventilation dustproof elbow for cable bridges according to claim 1, wherein the stretching mechanism comprises a torsion spring (12) fixedly connected with the fixed shaft (7), a connecting plate (11) is fixed at one end of the torsion spring (12), a flexible dustproof net (9) is fixedly connected at the other end of the connecting plate (11), one end of the flexible dustproof net (9) is fixedly connected with a limiting block (10), a strip-shaped opening is arranged in the limiting strip (5), and the limiting block (10) is provided with the flexible dustproof net (9) to penetrate through the strip-shaped opening.

4. The special-shaped ventilation dustproof elbow for cable bridges according to claim 1, wherein the limiting mechanism comprises a sliding plate (15) arranged in the strip-shaped cavity (13), the sliding plate (15) is in sliding connection with inner walls of two sides of the strip-shaped cavity (13), the lower end of the sliding plate (15) is in elastic connection with the inner bottom of the strip-shaped cavity (13) through a plurality of springs (14), a wedge block (17) and a pressing rod (16) are arranged at the upper end of the sliding plate (15), the wedge block (17) and the pressing rod (16) both penetrate through the inner top of the strip-shaped cavity (13), and a wedge groove matched with the wedge block (17) is arranged at the upper end of the limiting groove (4).

5. The special-shaped ventilation dustproof elbow for cable bridges as claimed in claim 3, wherein two sides of the flexible dustproof net (9) are attached to inner walls of two sides of the L-shaped groove (6).

6. The special-shaped ventilation dustproof elbow for cable bridges as claimed in claim 4, wherein a rubber sleeve is arranged on the pressing rod (16).