CN215419413U - Large-span cable bridge - Google Patents

Abstract

The utility model relates to the field of cable installation, in particular to a large-span cable bridge, which comprises a first bridge and two second bridges, wherein support rods are arranged on one sides of the two second bridges through two bearing rods, baffles are symmetrically arranged on two sides of the first bridge and two second bridges respectively, the bridge is provided with an inserting component and a sleeving component through the first bridge and the second bridges on the two sides respectively, the inserting component and the sleeving component are inserted into the sleeving component through sliding inserting rods in the installation process, the connection of a bridge bracket is stable, the next operation can be conveniently carried out by taking off hands, no additional worker is needed to support the bridge bracket, the bridge bracket is used through a limiting rod and an anti-falling block structure, the connection strength between the bridges is enhanced when the inserting rods are used, the positions of the inserting rods are limited and fixed in the non-use process, the transportation and the operation are convenient, and the inserting component and the sleeving component are conveniently dismounted and replaced at the same time, can be used repeatedly, saves cost and is simple to operate.

Description

Large-span cable bridge

Technical Field

The utility model relates to the field of cable installation, in particular to a large-span cable bridge.

Background

The cable testing bridge is a combined frame for supporting and protecting a cable in the cable installation process, when the cable testing bridge is erected and assembled in the process of long-distance crossing installation is needed due to special conditions, a supporting pull rod cannot be installed in the middle of the cable testing bridge, so that connection between the testing bridge and the testing bridge on two sides is troublesome, quick positioning cannot be realized, and meanwhile, the operation of taking off the hand cannot be carried out after positioning, so that the cable testing bridge is very inconvenient to use, has great construction potential safety hazards, and meanwhile, the connection strength in the installation process and after installation is weak, and great potential safety hazards are brought to later normal use.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a large-span cable tray, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a large-span cable bridge, includes first crane span structure and two second crane span structures, two second crane span structure one sides all are equipped with the die-pin through two bearing bars, first crane span structure and two second crane span structure both sides symmetry respectively are equipped with the baffle, and first crane span structure both sides are connected with two second crane span structure one sides through the connecting plate respectively, and first crane span structure and second crane span structure contact one side two baffles be equipped with the grafting subassembly through the bolt installation respectively and cup joint the subassembly, and grafting subassembly one side is pegged graft and is arranged in and cup joint the subassembly and set up, the grafting subassembly includes the grafting box, and grafting box center level runs through and has seted up the activity groove, and activity inslot level is pegged graft and is equipped with the inserted bar, and vertical grafting is equipped with spacing subassembly on the inserted bar.

Preferably, spacing subassembly includes the gag lever post, and the vertical grafting inserted bar one side that runs through of gag lever post sets up, and the gag lever post runs through grafting inserted bar one side and is equipped with the spring through the resilience piece cup joint, and the inserted bar cup joints gag lever post one side and is equipped with spacing post, and the vertical activity groove that runs through of grafting box upper end has seted up the bar groove, and the vertical grafting that runs through of spacing post is arranged in the bar inslot and sets up, and the gag lever post runs through grafting spacing post one side and is equipped with the pull ring.

Preferably, the lower end in the movable groove is provided with a wheel groove, the lower end in the wheel groove is vertically and uniformly and symmetrically provided with a plurality of idler wheels, and the upper ends of the idler wheels are inserted into the inserted rods and are arranged at the lower end of one side in the movable groove in a splicing manner.

Preferably, the wheel groove is symmetrically provided with limiting grooves at two sides, and the diameter of each limiting groove is larger than that of the limiting rod penetrating through one side of the inserted rod.

Preferably, cup joint the subassembly including cup jointing the box, cup jointing the box inner center and seted up the cover groove, the cover inslot upper end is seted up flutedly, pegs graft through four guide bar levels in the recess and is equipped with the lifter plate, and a plurality of flexible grooves have been seted up to lifter plate lower extreme central symmetry, and flexible inslot all is equipped with a plurality of anticreep pieces through the shell fragment grafting, and anticreep piece lower extreme side sets up for the slope.

Preferably, one side of the inserted bar is inserted and arranged in the sleeve joint groove, a plurality of anti-falling grooves are symmetrically formed in the upper end of one side of the inserted bar in the sleeve joint groove, and the lower ends of the anti-falling blocks are respectively inserted and arranged in the anti-falling grooves.

Preferably, the upper end of the sleeving box is vertically inserted and connected with a screw rod through a bearing, the lifting plate is inserted and connected in the groove, the upper end center is integrally and vertically provided with a threaded sleeve, and the lower end of the screw rod penetrates through the groove and is inserted and connected in the threaded sleeve.

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

1. the bridge frame is characterized in that the first bridge frame and the second bridge frames on two sides are respectively provided with the inserting component and the sleeving component, and the inserting component and the sleeving component are inserted into the sliding inserting rod in the installation process, so that the bridge frame support is stably connected, the next operation can be conveniently carried out without hands, and extra workers do not need to support the bridge frame;

2. use through gag lever post and anticreep blocking structure, strengthen the joint strength between the crane span structure when the inserted bar is used, in the non-use, carry on spacing fixedly to the position of inserted bar, conveniently transport and operate, the subassembly of pegging graft simultaneously and cup joint the just change of just dismantling in mean square of subassembly, can use repeatedly, practices thrift the cost, easy operation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a perspective view of the plug box of the present invention;

FIG. 3 is a schematic view of the portion A of FIG. 1 according to the present invention.

In the figure: the device comprises a first bridge 1, a second bridge 2, a bearing rod 3, a baffle 4, a connecting plate 5, an insertion box 6, a movable groove 7, an insertion rod 8, a limiting rod 9, a spring 10, a strip-shaped groove 11, a pull ring 12, a roller 13, a limiting groove 14, a sleeving box 15, a guide rod 16, a lifting plate 17, an elastic sheet 18, an anti-falling block 19, an anti-falling groove 20 and a screw rod 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.

Referring to fig. 1-3, the present invention provides a large span cable bridge: comprises a first bridge frame 1 and two second bridge frames 2, wherein one side of each of the two second bridge frames 2 is provided with a supporting rod through two bearing rods 3, two sides of the first bridge frame 1 and the two second bridge frames 2 are respectively and symmetrically provided with a baffle 4, two sides of the first bridge frame 1 are respectively connected with one side of the two second bridge frames 2 through connecting plates 5, two baffles 4 on one side of the first bridge frame 1, which is contacted with the second bridge frames 2, are respectively provided with an inserting component and a sleeving component through bolts, one side of the inserting component is inserted and arranged in the sleeving component, the sleeving component comprises a sleeving box 15, the inner center of the sleeving box 15 is provided with a sleeving groove, the upper end of the sleeving groove is provided with a groove, the groove is horizontally inserted and provided with a lifting plate 17 through four guide rods 16, the center of the lower end of the lifting plate 17 is symmetrically provided with a plurality of telescopic grooves, the telescopic grooves are respectively provided with a plurality of anti-falling blocks 19 through elastic pieces 18, the inserting component comprises an inserting box 6, the center of the inserting box is horizontally provided with a movable groove 7 in a penetrating way, an inserting rod 8 is horizontally inserted in the movable groove 7, a limiting component is vertically inserted on the inserting rod 8, the limiting component comprises a limiting rod 9, the limiting rod 9 is vertically arranged on one side of the inserting rod 8 in a penetrating way, a spring 10 is arranged on one side of the limiting rod 9 in a penetrating way and is sleeved with a springback sheet, a limiting post is arranged on one side of the inserting rod 8 in a penetrating way and is sleeved with the limiting rod 9, the upper end of the inserting box 6 is vertically provided with a strip-shaped groove 11 in a penetrating way and is vertically arranged in the movable groove 7 in a penetrating way, the limiting post is vertically arranged in the strip-shaped groove in a penetrating way and inserting way, a pull ring 12 is arranged on one side of the limiting rod 9 in a penetrating way and inserting way, the lower end in the movable groove 7 is provided with a wheel groove, the lower end in the wheel groove is vertically and uniformly and symmetrically provided with a plurality of rollers 13, the upper ends of the rollers 13 are in a penetrating way and are in contact with the lower end of the inserting rod 8 in the movable groove 7, the wheel groove is symmetrically provided with a limiting groove 14, and the diameter of spacing groove 14 is greater than the diameter that 8 one sides of gag lever post are run through to gag lever post 9, and 19 lower extreme sides of anticreep piece set up for the slope, the vertical grafting of bearing is equipped with screw rod 21 in the upper end of box 15, and the lifter plate 17 is pegged graft and is arranged in the recess in the integrative vertical thread bush that is equipped with in upper end center, and the screw rod 21 lower extreme runs through the recess and pegs graft and arrange the thread bush in and set up, 8 one side pegs graft of gag lever post is arranged in and is cup jointed the inslot and set up, and a plurality of anticreep grooves 20 have been seted up to 8 pegs graft of gag lever posts and cup joints inslot one side upper end symmetry, and a plurality of 19 lower extremes of anticreep pieces are pegged graft respectively and are arranged in anticreep inslot 20 and set up.

The working principle is as follows: the device is through installing grafting box 6 and cup joint box 15 in baffle 4 one side of first crane span structure 1 and second crane span structure 2 through the bolt respectively, then aim at first crane span structure 1 both sides and two second crane span structures 2 one sides, make gag lever post 9 break away from one side spacing groove through pulling pull ring 12, then promote along gyro wheel 13 and insert the cover and connect the inslot, then under the inclined plane effect of anticreep piece 19 one side, extrusion shell fragment 18 gets into flexible inslot, then rebound inserts in anticreep groove 20, finally under the effect of spring 10, gag lever post 9 lower extreme inserts in opposite side spacing groove 14, then carry out the bolted connection installation of connecting plate 5 can, when needs dismantle, the step principle is the same as above, it can to drive a plurality of anticreep pieces 19 simultaneously and break away from anticreep groove 20 to drive lifter plate 17.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a big span cable testing bridge, includes first crane span structure (1) and two second crane span structures (2), two second crane span structures (2) one side all are equipped with die-pin, its characterized in that through two bearing bar (3): first crane span structure (1) and two second crane span structures (2) both sides symmetry respectively are equipped with baffle (4), and first crane span structure (1) both sides are connected with two second crane span structures (2) one side through connecting plate (5) respectively, and first crane span structure (1) and second crane span structure (2) contact one side two baffles (4) and are equipped with grafting subassembly and cup joint the subassembly through the bolt installation respectively, and grafting subassembly one side is pegged graft and is arranged in cup jointing the subassembly and set up, grafting subassembly includes grafting box (6), and grafting box center level runs through and has seted up activity groove (7), and activity groove (7) interior level is pegged graft and is equipped with inserted bar (8), and vertical grafting is equipped with spacing subassembly on inserted bar (8).

2. The large span cable tray of claim 1, wherein: spacing subassembly includes gag lever post (9), and gag lever post (9) is vertical to run through grafting inserted bar (8) one side and sets up, and gag lever post (9) run through grafting inserted bar (8) one side and cup joint through the resilience piece and be equipped with spring (10), and inserted bar (8) cup joint gag lever post (9) one side and are equipped with spacing post, and bar groove (11) have been seted up in vertical running through activity groove (7) in grafting box (6) upper end, and the vertical grafting that runs through of spacing post is arranged in the bar inslot and is set up, and gag lever post (9) run through grafting spacing post one side and be equipped with pull ring (12).

3. The large span cable tray of claim 2, wherein: the lower extreme has seted up the race in activity groove (7), and the vertical even symmetry of the interior lower extreme of race is equipped with a plurality of gyro wheels (13), and gyro wheel (13) upper end and inserted bar (8) are pegged graft and are arranged in activity groove (7) one side lower extreme and contact.

4. A large span cable tray as defined in claim 3, wherein: limiting grooves (14) are symmetrically formed in two sides of the wheel groove, and the diameter of each limiting groove (14) is larger than that of the limiting rod (9) penetrating through one side of the inserted rod (8).

5. The large span cable tray of claim 1, wherein: the sleeve joint assembly comprises a sleeve joint box (15), a sleeve joint groove is formed in the center of the inner portion of the sleeve joint box (15), a groove is formed in the upper end of the inner portion of the sleeve joint groove, a lifting plate (17) is horizontally inserted into the groove through four guide rods (16), a plurality of telescopic grooves are formed in the central symmetry of the lower end of the lifting plate (17), a plurality of anti-falling blocks (19) are inserted into the telescopic grooves through elastic pieces (18), and one side face of the lower end of each anti-falling block (19) is obliquely arranged.

6. The large span cable tray of claim 5, wherein: the socket joint inslot is arranged in the grafting to inserted bar (8) one side grafting, and a plurality of anticreep grooves (20) have been seted up to inserted bar (8) grafting one side upper end symmetry in the socket joint inslot, and a plurality of anticreep pieces (19) lower extreme are pegged graft respectively and are arranged in anticreep groove (20) and set up.

7. The large span cable tray of claim 5, wherein: the upper end of the sleeving box (15) is vertically inserted and connected with a screw rod (21) through a bearing, the lifting plate (17) is inserted and connected in the groove, the upper end center is integrally and vertically provided with a threaded sleeve, and the lower end of the screw rod (21) penetrates through the groove and is inserted and connected in the threaded sleeve.

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