CN111864667B

CN111864667B - Double-layer drainage type bridge

Info

Publication number: CN111864667B
Application number: CN202010806425.7A
Authority: CN
Inventors: 殷华伟; 陈柯柯; 王慧
Original assignee: Guangdong Qiaoxin Industry Co ltd
Current assignee: GUANGDONG QIAOXIN INDUSTRY Co.,Ltd.
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-07-13
Anticipated expiration: 2040-08-12
Also published as: CN111864667A

Abstract

The invention discloses a double-layer drainage type bridge frame which comprises a cable box and a waterproof cover plate arranged at the top of the cable box, wherein a bearing plate is clamped in the cable box, two water guide plates are symmetrically arranged below the bearing plate, a strip-shaped opening is formed in the middle of each water guide plate, two water guide plates with water outlets are symmetrically arranged on the inner bottom wall of the cable box, waterproof cloth is glued between the two water guide plates, a U-shaped groove is formed in the bottom wall of the cable box and comprises a horizontal groove and two vertical grooves, a water blocking block is arranged in each vertical groove in a sealing sliding mode, a supporting spring is connected between each two water blocking blocks and the horizontal groove, each vertical groove is communicated with the outside and provided with a drainage pipe, and a supporting mechanism is further arranged in the cable box. The invention can accelerate the discharge speed of accumulated water in the cable box and avoid the cable from being soaked in the accumulated water for a long time.

Description

Double-layer drainage type bridge

Technical Field

The invention relates to the technical field of cable bridges, in particular to a double-layer drainage type bridge.

Background

The cable bridge usually comprises a bracket, a bracket arm and other installation components, can support, protect and guide cables, can improve the attractiveness of cable laying and can flexibly configure or maintain the cables.

Because the cable testing bridge hardly realizes totally enclosed, so when sleet weather, produce ponding in the cable box easily to ponding evaporates totally in the difficult short time, if the cable is arranged in ponding for a long time, can lead to the cable crust soft, even rot, influences the life of cable, has the danger of electric leakage even, for this reason, we propose a double-deck drainage type testing bridge.

Disclosure of Invention

The invention aims to solve the problem that accumulated water in a cable bridge is difficult to evaporate and drain quickly in a natural environment in the prior art, and provides a double-layer drainage type bridge.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a double-deck drainage type crane span structure, includes the cable box and installs the waterproof apron at cable box top, the inside card of cable box is equipped with the bearing plate, two water deflectors are installed to the below symmetry of bearing plate, and the middle part of every water deflector has all seted up the bar mouth, the symmetry is equipped with two diversion boards that have the outlet on the interior diapire of cable box, and has glued the tarpaulin between two diversion boards, the U-shaped groove has been seted up in the diapire of cable box, the U-shaped groove includes horizontal groove and two vertical grooves, every all sealed the sliding in the vertical groove is provided with the breakwater piece, and all is connected with supporting spring between two breakwater pieces and the horizontal groove, every the vertical groove all has the drain pipe with external intercommunication, still be equipped with supporting mechanism in the cable box.

Preferably, supporting mechanism is including seting up the sliding tray on the cable box bottom wall, and the bottom and the horizontal groove of sliding tray are linked together, sealed slidable mounting has the plectane in the sliding tray, the upper end of plectane is through montant fixedly connected with arc slat, and the upper end of arc slat offsets with the middle part of tarpaulin.

Preferably, the lateral wall of cable box is last the symmetry to be provided with a plurality of mechanisms of taking a breath, every the mechanism of taking a breath all includes a plurality of horizontal grooves of seting up in the cable box lateral wall, every the horizontal inslot all seals the slip and is provided with the closing plate, and is connected with reset spring between the inner wall of closing plate and horizontal groove, every one side that the bearing plate was kept away from to the closing plate all fixedly is equipped with the connecting rod, every the one end that corresponds the bearing plate is kept away from to the connecting rod all runs through the lateral wall and the fixedly connected with pterygoid lamina of horizontal groove, every the horizontal groove all communicates with the cable box is inside to have the intake pipe, every the horizontal groove all communicates with the cable box outside has the blast pipe, every the connecting rod.

The invention has the beneficial effects that:

1. the drainage of accumulated water can be accelerated by arranging the water guide plate, the water guide plate and other components, and the possibility of condensation at the cable after the accumulated water is evaporated can be reduced by the double-layer structure, so that the cable is better protected.

2. Along with the increase of ponding, the water blocking piece can overcome supporting spring's elasticity and slide downwards, and two vertical grooves in U-shaped groove can temporarily store ponding this moment, avoid the cable on the bearing plate to soak in ponding.

3. The water blocking piece slides downwards to extrude gas in the U-shaped groove to the sliding groove and push the circular plate to drive the vertical rod to move upwards, the arc-shaped strip plate jacks the middle of the waterproof cloth to enable the waterproof cloth to form a reversed V shape, accumulated water above the waterproof cloth flows towards the drainage port with higher speed, and the drainage process is smoother.

4. Through setting up the pterygoid lamina, the horizontal groove, the closing plate, parts such as connecting rod, utilize external air current to drive pterygoid lamina reciprocating motion, thereby change the inside air pressure of cable box, make the inside air current of cable box outside the cable box, in order to accelerate the evaporation rate of the ponding in the cable box, in addition, with the air in the cable box outside to the dust in the reducible external air of arranging get into in the cable box probably, when the weather is comparatively hot, the air that flows can take away partly with the heat in the cable box, thereby reduce the temperature in the cable box.

5. Through setting up the expansion ring, at sleet weather, the expansion ring can the inflation of absorbing water to the extrusion connecting rod makes the mechanism of taking a breath pause work, can avoid the intake pipe negative pressure that produces when the air of suction cable box inside to inhale the cable box with external rainwater in a large number, also can avoid liquid to get into the horizontal groove after the expansion ring inflation simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment 1 of a double-layer drainage type bridge frame provided by the invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is a schematic structural view of an embodiment 2 of a double-layer drainage type bridge frame according to the present invention;

fig. 4 is an enlarged view of fig. 3 at B.

In the figure: the water-proof water.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1

Referring to fig. 1-2, a double-layer drainage type bridge comprises a cable box 1 and a waterproof cover plate 2 arranged on the top of the cable box 1, a bearing plate 3 is clamped in the cable box 1, the bearing plate 3 is a screen plate or a grid plate, two water guide plates 4 are symmetrically arranged below the bearing plate 3, a strip-shaped opening 41 is arranged in the middle of each water guide plate 4, each water guide plate 4 is arc-shaped with an upward opening, the strip-shaped opening 41 is positioned at the lowest position of the water guide plate 4, two water guide plates 5 with water outlets 6 are symmetrically arranged on the inner bottom wall of the cable box 1, waterproof cloth 7 is glued between the two water guide plates 5, a U-shaped groove 8 is arranged in the bottom wall of the cable box 1, the U-shaped groove 8 comprises a horizontal groove and two vertical grooves, the positions of the water outlets 6 on the water guide plates 5 correspond to the positions of the notches of the two vertical grooves, the water guide plates 5 are also arc-shaped, and the, all sealed the slip in every vertical groove is provided with breakwater 9, and all is connected with supporting spring 10 between two breakwater 9 and the horizontal groove, and every vertical groove all has drain pipe 11 with external intercommunication, and drain pipe 11 sets up for the slope is downward, avoids ponding backward flow or rainwater to flow backward, still is equipped with supporting mechanism in the cable box 1.

In this embodiment, the supporting mechanism is including seting up the sliding tray 12 on 1 diapire of cable box, and the bottom and the horizontal groove of sliding tray 12 are linked together, sliding tray 12 internal seal slidable mounting has plectane 13, 14 fixedly connected with arc slat 15 of montant is passed through to the upper end of plectane 13, and the upper end of arc slat 15 offsets with the middle part of tarpaulin 7, the convex design of arc slat 15 can make the department of meeting atress of tarpaulin 7 and arc slat 15 more even, avoid tarpaulin 7 to receive the damage, also can improve the life of tarpaulin 7.

When a small amount of water enters the cable box 1, the water firstly falls into the water guide plate 4 through the latticed or grid-shaped bearing plate 3, the water guide plate 4 is arc-shaped, and the strip-shaped opening 41 is positioned at the lowest end of the water guide plate 4, so that the water guide plate 4 can guide the water to fall downwards from the strip-shaped opening 41, directly enters the U-shaped groove 8 through the water outlet 6 and then is discharged to the outside of the cable box 1 through the water discharge pipe 11;

when a large amount of water enters the cable box 1, more water enters the U-shaped groove 8 in unit time, and the specification of the drain pipe 11 is limited by the thickness of the bottom of the cable box 1, so that the water cannot be quickly drained in time, and therefore, as the accumulated water increases, the water blocking block 9 overcomes the elasticity of the supporting spring 10 and slides downwards, and at the moment, the two vertical grooves of the U-shaped groove 8 can temporarily store the accumulated water, so that the cable on the bearing plate 3 is prevented from being soaked in the accumulated water;

meanwhile, the water blocking block 9 slides downwards to extrude the gas in the U-shaped groove 8 into the sliding groove 12 and push the circular plate 13 to drive the vertical rod 14 to move upwards, the arc-shaped strip plate 15 jacks the middle part of the waterproof cloth 7, so that the waterproof cloth 7 forms an inverted V shape, accumulated water above the waterproof cloth 7 flows to the water outlet 6 at an accelerated speed, and the water drainage process is smoother;

after the accumulated water is discharged, the waterproof cloth 7, the water blocking block 9, the circular plate 13 and the like return to the initial positions under the action of the supporting spring 10, the waterproof cloth 7 returns to the natural state from the tightened state, and the waterproof cloth 7 is prevented from being stretched and deformed for a long time.

Example 2

Referring to fig. 3 to 4, the present embodiment is different from embodiment 1 in that: the side wall of the cable box 1 is symmetrically provided with a plurality of air exchange mechanisms, each air exchange mechanism comprises a plurality of horizontal grooves 19 arranged in the side wall of the cable box 1, a sealing plate 20 is arranged in each horizontal groove 19 in a sealing and sliding manner, a return spring is connected between each sealing plate 20 and the inner wall of each horizontal groove 19, one side of each sealing plate 20, which is far away from the bearing plate 3, is fixedly provided with a connecting rod, one end of each connecting rod, which is far away from the corresponding bearing plate 3, penetrates through the side wall of the horizontal groove 19 and is fixedly connected with a wing plate 16, each horizontal groove 19 is communicated with the inside of the cable box 1 and is provided with an air inlet pipe 17, each horizontal groove 19 is communicated with the outside of the cable box 1 and is provided with an air outlet pipe 18, one-way valves are arranged in the air inlet pipe 17 and the horizontal groove 19 and the air outlet pipe 18 and the inside the cable box 18, the flowing direction of air, the expansion ring 21 is made of water-absorbing expansion material.

In rainy and snowy weather, because the expansion ring 21 is in direct contact with the outside, the expansion ring 21 absorbs water and expands, so that the connecting rod is squeezed, the wing plates 16 and the sealing plate 20 cannot move, and liquid can be prevented from entering the horizontal groove 19;

when the expansion ring 21 is dry, the connecting rod is not limited by the expansion ring 21 any more, when external air flow passes through the wing plate 16, the air pressure on the outward side of the wing plate 16 is reduced, so that the wing plate 16 is under the action of negative pressure, the wing plate 16 can drive the sealing plate 20 to slide outward, the space pressure on one side of the sealing plate 20 close to the inside of the cable box 1 is reduced, so that the air inside the cable box 1 flows into the horizontal groove 19, when the wing plate 16 is reset, the air in the horizontal groove 19 is discharged to the outside of the cable box 1 from the exhaust pipe 18, the operation is repeated, the air flowing speed inside the cable box 1 can be accelerated, and a small amount of accumulated water in the cable box 1.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The double-layer drainage type bridge frame comprises a cable box (1) and a waterproof cover plate (2) arranged at the top of the cable box (1), and is characterized in that a bearing plate (3) is clamped in the cable box (1), two water guide plates (4) are symmetrically arranged below the bearing plate (3), a strip-shaped opening (41) is formed in the middle of each water guide plate (4), two water guide plates (5) with water outlets (6) are symmetrically arranged on the inner bottom wall of the cable box (1), waterproof cloth (7) is glued between the two water guide plates (5), a U-shaped groove (8) is formed in the bottom wall of the cable box (1), each U-shaped groove (8) comprises a horizontal groove and two vertical grooves, a water blocking block (9) is arranged in each vertical groove in a sealing and sliding manner, and a support spring (10) is connected between the two water blocking blocks (9) and the horizontal groove, each vertical groove is communicated with the outside and is provided with a drain pipe (11), and a supporting mechanism is further arranged in the cable box (1);

a plurality of air exchange mechanisms are symmetrically arranged on the side wall of the cable box (1), each air exchange mechanism comprises a plurality of horizontal grooves (19) arranged in the side wall of the cable box (1), a sealing plate (20) is arranged in each horizontal groove (19) in a sealing and sliding manner, and be connected with reset spring between the inner wall of closing plate (20) and horizontal groove (19), every one side that bearing plate (3) were kept away from in closing plate (20) all fixedly is equipped with the connecting rod, every the one end that corresponds bearing plate (3) is kept away from to the connecting rod all runs through lateral wall and fixedly connected with pterygoid lamina (16) of horizontal groove (19), every horizontal groove (19) all communicate with cable box (1) inside has intake pipe (17), every horizontal groove (19) all communicate with blast pipe (18) with cable box (1) outside, every the connecting rod all is equipped with expansion ring (21) with corresponding horizontal groove (19) junction.

2. The double-layer drainage type bridge frame of claim 1, wherein the supporting mechanism comprises a sliding groove (12) formed in the bottom wall of the cable box (1), the bottom end of the sliding groove (12) is communicated with a horizontal groove, a circular plate (13) is installed in the sliding groove (12) in a sealing and sliding mode, an arc-shaped strip plate (15) is fixedly connected to the upper end of the circular plate (13) through a vertical rod (14), and the upper end of the arc-shaped strip plate (15) abuts against the middle of the waterproof cloth (7).