CN219801740U

CN219801740U - Large-span bridge

Info

Publication number: CN219801740U
Application number: CN202320371086.3U
Authority: CN
Inventors: 陶改华
Original assignee: Suzhou Saiteou Electric Co ltd
Current assignee: Suzhou Saiteou Electric Co ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-10-03
Anticipated expiration: 2033-03-02

Abstract

The utility model discloses a large-span bridge, and relates to the technical field of cable bridges. This large-span crane span structure aims at solving current large-span crane span structure and is inconvenient to carry out spacingly to inside cable in the use, the cable takes place the skew easily, lead to whole focus skew, cause the problem of crane span structure damage, this large-span crane span structure includes the crane span structure shell, inside rear surface welding of crane span structure shell has a plurality of fixing bases, a plurality of wire casings have been seted up to the fixing base upper surface, the placing of cable of being convenient for, the fixing base upside is provided with the fly leaf, the fly leaf lower surface is connected with a plurality of arc through the dead lever, with the wire casing one-to-one, mutually support, the fly leaf upper surface rotary fit has the screwed pipe, the inside screw thread fit of screwed pipe has the screw rod, screw rod upper end and the adjacent fixing base lower surface of upside are connected, the upper end of the screw rod and crane span structure shell inner wall connection of topside, be convenient for adjust the reciprocates of fly leaf, spacing, press from both sides the cable has guaranteed the stability of cable.

Description

Large-span bridge

Technical Field

The utility model belongs to the technical field of cable bridges, and particularly relates to a large-span bridge.

Background

The cable bridge is divided into a groove type cable bridge, a tray type cable bridge, a step type cable bridge, a grid bridge and other structures, and consists of a bracket, a bracket arm, an installation accessory and the like. The cable rack can be independently erected, and can be laid on various building (construction) structures and pipe gallery brackets for supporting the groove-shaped section bars of cables.

At present, current large-span crane span structure is in the use, is inconvenient for spacing to inside cable, and the cable takes place the skew easily, leads to whole focus skew, causes the crane span structure to appear warping, damage, influences the result of use and the life of crane span structure, and the volume of generating heat when the cable operation simultaneously gathers inside the crane span structure easily, dispels the heat through the louvre of seting up only, and the effect is not good, and the heat that continuously rises influences the normal use of cable.

In order to solve the above problems, we propose a large span bridge.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide a large-span bridge, which aims to solve the problems that the prior large-span bridge is inconvenient to limit internal cables in the use process, the cables are easy to deviate, the whole gravity center is deviated, deformation and damage are caused to the bridge, the service effect and the service life of the bridge are influenced, meanwhile, the amount of heat generated by the cables in operation is easy to gather in the bridge, the heat is dissipated only through the heat dissipation holes, the effect is poor, and the normal use of the cables is influenced by the continuously rising heat.

(2) Technical proposal

In order to solve the technical problems, the utility model provides a large-span bridge, which comprises a bridge shell and a baffle, wherein a plurality of openings are formed in the front surface of the bridge shell at intervals, slots are formed in the upper side of the inner wall of each opening, the baffle is matched with the slots and the openings, a plurality of fixing seats are welded on the inner rear surface of the bridge shell, a plurality of wire slots are formed in the upper surface of each fixing seat, a movable plate is arranged on the upper side of each fixing seat, a plurality of arc plates are connected to the lower surface of each movable plate through fixing rods, the arc plates are in one-to-one correspondence with the wire slots and are matched with each other, a threaded pipe is rotatably matched with the upper surface of each movable plate, a screw is in threaded fit with the inner part of each threaded pipe, the upper end of each screw is connected with the lower surface of the adjacent fixing seat on the upper side, a plurality of ventilation openings are formed in the front surface and the rear surface of the bridge shell, and an air inlet fan and an air exhaust fan are respectively arranged in the front and rear ventilation openings.

Through the wire casing is convenient for place of cable, simultaneously under the screw thread cooperation of screwed pipe and screw rod, and screwed pipe and fly leaf's rotatory cooperation, be convenient for adjust screwed pipe's upper and lower rotation, and then drive the reciprocating of fly leaf, combine the one-to-one of arc and wire casing, mutually support, it is spacing, clamp to effectively to the cable, the stability of cable has been guaranteed, prevent that the cable from appearing sliding, the skew, lead to whole focus skew, cause the crane span structure to take place to warp, damage scheduling problem, the steadiness of crane span structure has been guaranteed, the air inlet fan is convenient for blow into inside the crane span structure shell with outside air simultaneously, combine the fan of airing exhaust with inside the bridge structure shell cavity hot air discharge, reach the radiating purpose to inside the bridge structure shell, the normal use of cable has been guaranteed.

Preferably, a locking bolt is in threaded fit between the lower surface of the baffle and the bridge shell.

Further, a plurality of limit grooves are formed in the rear surface of the inside of the bridge frame shell, the limit grooves are in one-to-one correspondence with the fixed seats, and limit blocks are adhered to the rear surface of the movable plate and are in sliding fit with the limit grooves.

Still further, the spacing inslot portion is provided with the gag lever post, stopper slip cap is established on the gag lever post.

Further, a dust cover is arranged on the inner side of the ventilation opening.

Further, an extension plate is welded on the upper side of the front surface of the bridge frame shell and matched with the upper side of the baffle plate.

Further, a handle is welded to the outer surface of the baffle.

(3) Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model is convenient for placing the cable through the wire slot, simultaneously under the threaded fit of the threaded pipe and the screw rod and the rotating fit of the threaded pipe and the movable plate, is convenient for adjusting the up-and-down rotation of the threaded pipe, further drives the movable plate to move up and down, combines the one-to-one correspondence of the arc plate and the wire slot, and is mutually matched, so that the cable is effectively limited and clamped, the stability of the cable is ensured, the cable is prevented from sliding and shifting, the problem that the whole gravity center shifts to cause deformation, damage and the like of the bridge is solved, the stability of the bridge is ensured, meanwhile, the air inlet fan is convenient for blowing external air into the inside of the bridge shell, and the air exhaust fan is combined to exhaust the hot air in the inner cavity of the bridge shell, thereby achieving the purpose of radiating the inside of the bridge shell, and ensuring the normal use of the cable.

2. According to the utility model, the limiting block is in sliding fit with the limiting rod, and the limiting groove is combined, so that the limiting effect on the up-and-down movement of the movable plate is effectively achieved, and the stability of the up-and-down movement of the arc plate is further ensured.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a schematic view of the structure of section A-A of FIG. 2;

FIG. 4 is a schematic view of the structure of section B-B in FIG. 2;

fig. 5 is an enlarged schematic view of the structure at C in fig. 3.

The marks in the drawings are: 1. a bridge housing; 2. a baffle; 3. a slot; 4. a fixing seat; 5. a wire slot; 6. a movable plate; 7. an arc-shaped plate; 8. a threaded tube; 9. a screw; 10. an exhaust fan; 11. an air intake fan; 12. a locking bolt; 13. a limit groove; 14. a limiting block; 15. a limit rod; 16. a dust cover; 17. an extension plate; 18. a handle.

Detailed Description

The embodiment is a large-span bridge, as shown in fig. 1-5, the large-span bridge comprises a bridge shell 1 and a baffle 2, wherein a plurality of openings are formed in the front surface of the bridge shell 1 at intervals, a slot 3 is formed in the upper side of the inner wall of the opening, the baffle 2 is matched with the slot 3 and the opening, a plurality of fixing seats 4 are welded on the inner rear surface of the bridge shell 1, a plurality of wire slots 5 are formed in the upper surface of the fixing seats 4, a movable plate 6 is arranged on the upper side of the fixing seats 4, a plurality of arc plates 7 are connected to the lower surface of the movable plate 6 through fixing rods, the arc plates 7 are in one-to-one correspondence with the wire slots 5 and are matched with each other, a threaded pipe 8 is rotatably matched with the upper surface of the movable plate 6, a screw 9 is in threaded fit with the inner part of the threaded pipe 8, the upper end of the screw 9 is connected with the lower surface of the fixing seats 4 adjacent to the upper side, a plurality of ventilation openings are formed in the front and rear surface of the bridge shell 1, and an air inlet fan 11 and an air exhaust fan 10 are respectively arranged in the front and rear ventilation openings.

The cable groove 5 is convenient for place the cable, simultaneously under the screw thread cooperation of screwed pipe 8 and screw rod 9, and screwed pipe 8 and fly leaf 6's rotatory cooperation, be convenient for adjust screwed pipe 8's upper and lower rotation, and then drive fly leaf 6's reciprocates, combine arc 7 and wire groove 5's one-to-one, mutually support, it is spacing effectively to the cable, press from both sides tightly, the stability of cable has been guaranteed, prevent that the cable from appearing sliding, the skew, lead to whole focus skew, cause the crane span structure to take place to warp, damage scheduling problem, the steadiness of crane span structure has been guaranteed, simultaneously air inlet fan 11 is convenient for blow into inside the crane span structure shell 1 with outside air, combine exhaust fan 10 to discharge the inner chamber hot air of crane span structure shell 1, reach the inside radiating purpose of crane span structure shell 1, the normal use of cable has been guaranteed.

The locking bolt 12 is in threaded fit between the lower surface of the baffle plate 2 and the bridge frame shell 1, the extension plate 17 is welded on the upper side of the front surface of the bridge frame shell 1 and is matched with the upper side of the baffle plate 2, the handle 18 is welded on the surface of the outer side of the baffle plate 2, the stability of connection between the baffle plate 2 and the bridge frame shell 1 is ensured through the locking bolt 12, the later-stage baffle plate 2 is convenient to detach, the baffle plate 2 is convenient to take and place by combining with the handle 18, the upper side of the baffle plate 2 is effectively shielded by the extension plate 17, and rainwater or dust entering the slot 3 in the use process is effectively reduced.

A plurality of spacing grooves 13 have been seted up to the inside rear surface of crane span structure shell 1, spacing groove 13 and fixing base 4 one-to-one, and fly leaf 6 rear surface adhesion has stopper 14, with spacing groove 13 sliding fit, and the inside gag lever post 15 that is provided with of spacing groove 13, stopper 14 slip cap is established on gag lever post 15, through the sliding fit of stopper 14 with spacing groove 13 and gag lever post 15, effectively plays spacing effect to fly leaf 6, has guaranteed the stability of fly leaf 6 reciprocates.

The inside of the vent is provided with a dust cover 16, and external dust is effectively prevented from entering the inside of the bridge frame shell 1 through the vent by the dust cover 16.

Working principle: when the large-span bridge of the technical scheme is used, cables are placed in the corresponding wire slots 5 in a classified manner, so that subsequent searching, overhauling and maintenance are facilitated, then under the rotary fit of the threaded pipe 8 and the movable plate 6, the threaded pipe 8 is rotated, the movable plate 6 is driven to stably move downwards under the combined action of the threaded fit of the threaded pipe 8 and the screw rod 9 and the combined action of the limiting block 14, the limiting rod 15 and the limiting groove 13, the arc-shaped plate 7 is driven to move downwards and press the upper surface of the cables, the cables are limited and compressed, the stability of the cables is guaranteed, the sliding and the shifting of the cables are prevented, the whole gravity center is caused, the bridge is deformed and damaged, and the service effect and the service life of the bridge are influenced;

then the baffle plate 2 is taken by a handle 18, the upper end of the baffle plate 2 is inserted into the slot 3, and meanwhile, the locking bolt 12 is screwed in through the lower surface of the baffle plate 2, so that the baffle plate 2 and the bridge frame shell 1 are fixed together;

in the use, blow into inside the bridge frame shell 1 through air inlet fan 11 with outside air, combine the fan 10 of airing exhaust with the bridge frame shell 1 inner chamber hot air exhaust, reach the inside radiating purpose of carrying out of bridge frame shell 1, prevent the cable and produce the volume of heat when moving, gather inside the bridge frame, influence the normal use of cable, dispel the heat for seting up the louvre, effectively improved the radiating effect.

It should be further noted that, the installation structure, connection manner or arrangement manner of each member in the present utility model is a common mechanical manner, and can be implemented as long as the beneficial effects thereof can be achieved.

All technical features in the embodiment can be freely combined according to actual needs.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The utility model provides a large-span crane span structure, includes crane span structure shell (1) and baffle (2), a serial communication port, crane span structure shell (1) front surface interval is equipped with a plurality of openings, slot (3) have been seted up to opening inner wall upside, baffle (2) and slot (3) and opening mutually support, inside rear surface welding of crane span structure shell (1) has a plurality of fixing base (4), a plurality of wire casings (5) have been seted up to fixing base (4) upper surface, fixing base (4) upside is provided with fly leaf (6), fly leaf (6) lower surface is connected with a plurality of arc (7) through the dead lever, arc (7) and wire casings (5) one-to-one, mutually support, fly leaf (6) upper surface swivelling fit has screwed pipe (8), screwed pipe (8) inside screw thread fit has screw rod (9), screw rod (9) upper end and upside adjacent fixing base (4) lower surface connection, the upside in screw rod (9) upper end and crane span structure (1) inner wall connection, two front and back surface of crane span structure shell (1) are equipped with fan (10) and fan and exhaust vent.

2. The large span bridge according to claim 1, characterized in that locking bolts (12) are screwed between the lower surface of the shutter (2) and the bridge shell (1).

3. The large-span bridge according to claim 2, wherein the inner rear surface of the bridge shell (1) is provided with a plurality of limit grooves (13), the limit grooves (13) are in one-to-one correspondence with the fixed seats (4), and the rear surface of the movable plate (6) is adhered with a limit block (14) in sliding fit with the limit grooves (13).

4. A large span bridge according to claim 3, characterized in that the limit groove (13) is internally provided with a limit rod (15), and the limit block (14) is slidably sleeved on the limit rod (15).

5. The large span bridge of claim 4, wherein the vent is provided inside with a dust cap (16).

6. The large span bridge according to claim 5, characterized in that the upper side of the front surface of the bridge housing (1) is welded with an extension plate (17) cooperating with the upper side of the barrier (2).

7. The large span bridge according to claim 6, characterized in that the outside surface of the shutter (2) is welded with handles (18).