CN214674051U - Grid bridge - Google Patents

Abstract

The utility model discloses a net crane span structure, including first crane span structure, first crane span structure both sides all slide and are equipped with the second crane span structure, the spout has all been seted up to first crane span structure both sides inner wall, second crane span structure both sides outer wall all fixed be equipped with spout assorted arch, second crane span structure upper end all slides through the fixture block and is equipped with the end cover, first crane span structure both sides inner wall all is provided with a plurality of annular pieces through first spring, annular piece lower extreme all is connected with the bracing piece through first connecting plate, annular piece both sides all are through first spring coupling. Has the advantages that: the anti-seismic device has the advantages that the effect of simple structure and installation can be realized, the anti-seismic effect is improved, the anti-seismic device can freely stretch out and draw back within a certain range, the maintenance is carried out by opening the box door and the sliding end cover when in maintenance, the maintenance is simple, the labor intensity of workers is reduced, and the practical effect of the grid bridge is improved.

Description

Grid bridge

Technical Field

The utility model relates to a net crane span structure field particularly, relates to a net crane span structure.

Background

The cable bridge is divided into structures of a groove type, a tray type, a ladder type, a grid type and the like, and comprises a support, a supporting arm, an installation accessory and the like. The inner bridge frame of the building can be independently erected and can also be attached to various buildings and pipe gallery supports, the characteristics of simple structure, attractive appearance, flexible configuration, convenient maintenance and the like are reflected, all parts need to be galvanized and installed on the outdoor bridge frame outside the building, and the grid bridge frame is suitable for electric power and communication cable wiring and is an extension of the traditional bridge frame.

However, most of the existing grid bridge structures are complex in structure and installation, poor in damping effect, incapable of freely stretching and retracting within a certain range and troublesome in maintenance, so that the labor intensity of workers is improved, and the practical effect of the grid bridge is reduced.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a net crane span structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a grid bridge comprises a first bridge, wherein two sides of the first bridge are respectively provided with a second bridge in a sliding manner, the inner walls of the two sides of the first bridge are respectively provided with a sliding groove, the outer walls of the two sides of the second bridge are respectively fixedly provided with a bulge matched with the sliding groove, the upper end of the second bridge is respectively provided with an end cover in a sliding manner through a clamping block, the inner walls of the two sides of the first bridge are respectively provided with a plurality of annular blocks through first springs, the lower ends of the annular blocks are respectively connected with a supporting rod through a first connecting plate, the two sides of the annular blocks are respectively connected through first springs, the upper end and the lower end of the first bridge and the lower end of the second bridge are respectively provided with a box door through hinges in a symmetrical manner, the box doors are in a grid shape, a plurality of second springs are respectively embedded in the inner walls of the annular blocks, one ends of the first springs are respectively fixedly provided with a first sliding sleeve, and the two ends of the first springs are respectively fixedly provided with a second sliding sleeve matched with the first sliding sleeve, the first connecting plate is connected with the supporting rod through a first bolt.

Furthermore, a plurality of round holes are formed in the outer walls of the two sides of the first bridge frame, a plurality of round holes are formed in the sliding groove and the two sides of the protrusion, and limiting rods are arranged in the round holes.

Furthermore, both sides of the first bridge are connected with the first spring through second connecting plates, and the second connecting plates are connected with both sides of the first bridge through second bolts.

Furthermore, the two sides of the annular block are provided with a first arc-shaped block and a second arc-shaped block through hinges.

Furthermore, the first arc-shaped block and the second arc-shaped block are connected through a buckle.

Further, the upper ends of the two sides of the first bridge are symmetrically and fixedly provided with mounting frames.

Compared with the prior art, the utility model discloses following beneficial effect has: can slide the second crane span structure, thereby through arch and spout, make the second crane span structure slide in first crane span structure, and through the slip end cover, make the end cover slide on the fixture block, thereby scratch the end cover, and be connected annular piece and bracing piece through first bolt, thereby realize the comparatively simple effect of structure and installation, and improved the antidetonation effect, and can freely stretch out and draw back in the certain limit, and when the maintenance, maintain through opening chamber door and slip end cover, thereby realize that the maintenance is simple, thereby staff's intensity of labour has been reduced, the practical function of net crane span structure has been improved simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a grid bridge according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a sliding groove and a protrusion in a grid bridge according to an embodiment of the present invention;

fig. 3 is a schematic view of a connection structure of a first spring in a grid bridge according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a ring block in a grid bridge according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a box door in a grid bridge according to an embodiment of the present invention.

Reference numerals:

1. a first bridge frame; 2. a second bridge; 3. a chute; 4. a protrusion; 5. an end cap; 6. a ring block; 7. a support bar; 8. a first spring; 9. a box door; 10. a second spring; 11. a first sliding sleeve; 12. a second sliding sleeve; 13. a first bolt; 14. a circular hole; 15. a limiting rod; 16. a second bolt; 17. a first arc-shaped block; 18. a second arc-shaped block; 19. a hasp; 20. and (7) mounting frames.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

the first embodiment is as follows:

referring to fig. 1-5, a grid bridge according to an embodiment of the present invention comprises a first bridge 1, a second bridge 2 is slidably disposed on both sides of the first bridge 1, a sliding groove 3 is disposed on an inner wall of the first bridge 1, a protrusion 4 is fixedly disposed on an outer wall of the second bridge 2, the protrusion is matched with the sliding groove 3, an end cap 5 is slidably disposed on an upper end of the second bridge 2 through a clamping block, a plurality of annular blocks 6 are disposed on an inner wall of the first bridge 1 through a first spring 8, a support rod 7 is connected to a lower end of each annular block 6 through a first connecting plate, both sides of each annular block 6 are connected through a first spring 8, a box door 9 is symmetrically disposed on both ends of the first bridge 1 and the lower end of the second bridge 2 through hinges, the box door 9 is in a grid shape, a plurality of second springs 10 are embedded in an inner wall of each annular block 6, first 8 one ends of first spring all are fixed and are equipped with first sliding sleeve 11, 8 both ends of first spring all be fixed be equipped with first sliding sleeve 11 assorted second sliding sleeve 12, first connecting plate all through first bolt 13 with bracing piece 7 is connected.

Through the above technical scheme of the utility model, second crane span structure 2 can slide, thereby through arch 4 and spout 3, make second crane span structure 2 slide in first crane span structure 1, and through slip end cover 5, make end cover 5 slide on the fixture block, thereby scratch out end cover 5, and be connected annular block 6 and bracing piece 7 through first bolt 13, thereby realize the comparatively simple effect of structure and installation, and improved the antidetonation effect, and can freely stretch out and draw back in the certain limit, and when the maintenance, maintain through opening chamber door 9 and slip end cover 5, thereby realize that the maintenance is simple, thereby staff's intensity of labour has been reduced, the practical function of net crane span structure has been improved simultaneously.

Example two:

referring to fig. 2-3, for the round holes and the limiting rods, a plurality of round holes 14 are formed on the outer walls of the two sides of the first bridge 1, a plurality of round holes 14 are formed on the two sides of the sliding groove 3 and the protrusion 4, a limiting rod 15 is arranged in each round hole 14, for the second bolt, the two sides of the first bridge 1 are connected with the first spring 8 through the second connecting plate, and the second connecting plate is connected with the two sides of the first bridge 1 through the second bolt 16.

Through the above technical scheme of the utility model, through setting up round hole 14, gag lever post 15 and second bolt 16, can be convenient for the second crane span structure 2 fixed after stretching out and drawing back to and can be convenient for the fixed of annular piece 6, and be convenient for the installation and the dismantlement of annular piece 6.

Example three:

referring to fig. 1 and 4, for the first arc-shaped block and the second arc-shaped block, a first arc-shaped block 17 and a second arc-shaped block 18 are arranged on both sides of the ring-shaped block 6 through hinges, for the snap fastener, the first arc-shaped block 17 and the second arc-shaped block 18 are connected through a snap fastener 19, and for the mounting bracket, a mounting bracket 20 is symmetrically and fixedly arranged on both upper ends of the first bridge 1.

Through the above technical scheme of the utility model, through setting up first arc piece 17, second arc piece 18, hasp 19 and mounting bracket 20, can be convenient for open annular piece 6 to and be convenient for the installation and the dismantlement of net crane span structure.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the second bridge frame 2 slides in the first bridge frame 1 through sliding the second bridge frame 2, so that the protrusion 4 and the sliding groove 3 are used for leading the end cover 5 to slide on the clamping block through sliding the end cover 5, so that the end cover 5 is cut open, the annular block 6 is connected with the supporting rod 7 through the first bolt 13, so that the effect of simpler structure and installation is realized, the anti-seismic effect is improved, the second bridge frame can freely stretch in a certain range, the box door 9 and the sliding end cover 5 are opened for maintenance during maintenance, the maintenance is simple, the labor intensity of workers is reduced, the practical effect of the grid bridge frame is improved, the fixing of the second bridge frame 2 after stretching is facilitated through the round hole 14, the limiting rod 15 and the second bolt 16, the fixing of the annular block 6 is facilitated, and the installation and the disassembly of the annular block 6 are facilitated, by providing the first and second arcuate blocks 17, 18, the hasp 19 and the mounting bracket 20, the ring block 6 can be easily opened, and the grid bridge can be easily mounted and dismounted.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A grid bridge is characterized by comprising a first bridge (1), wherein second bridges (2) are arranged on two sides of the first bridge (1) in a sliding mode, sliding grooves (3) are formed in inner walls of two sides of the first bridge (1), bulges (4) matched with the sliding grooves (3) are fixedly arranged on outer walls of two sides of the second bridge (2), end covers (5) are arranged at the upper ends of the second bridges (2) in a sliding mode through clamping blocks, a plurality of annular blocks (6) are arranged on the inner walls of two sides of the first bridge (1) through first springs (8), supporting rods (7) are connected to the lower ends of the annular blocks (6) through first connecting plates, two sides of each annular block (6) are connected through the first springs (8), and box doors (9) are symmetrically arranged at the upper end and the lower end of the first bridge (1) and the lower end of the second bridge (2) through hinges, chamber door (9) are latticed, annular piece (6) inner wall all inlays and is equipped with a plurality of second springs (10), first spring (8) one end is all fixed and is equipped with first sliding sleeve (11), first spring (8) both ends all fixed be equipped with first sliding sleeve (11) assorted second sliding sleeve (12), first connecting plate all through first bolt (13) with bracing piece (7) are connected.

2. The grid bridge frame as claimed in claim 1, wherein the outer walls of the first bridge frame (1) are provided with a plurality of round holes (14), the sliding groove (3) and the protrusion (4) are provided with a plurality of round holes (14), and the round holes (14) are internally provided with limiting rods (15).

3. A grid bridge according to claim 1, characterized in that said first bridge (1) is connected on both sides to said first springs (8) by means of second connection plates, said second connection plates being connected to said first bridge (1) on both sides by means of second bolts (16).

4. A lattice bridge according to claim 1, characterized in that said annular blocks (6) are provided on both sides with first (17) and second (18) arched blocks by hinges.

5. A grid bridge according to claim 4, characterized in that said first arc-shaped blocks (17) and said second arc-shaped blocks (18) are connected by means of buckles (19).

6. A grid bridge according to claim 1, characterized in that the upper ends of both sides of said first bridge (1) are symmetrically fixed with mounting brackets (20).

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