CN217882668U - Flexible fixed damping bridge - Google Patents

Abstract

The utility model belongs to the technical field of the shock attenuation crane span structure, especially, be a flexible fixed shock attenuation crane span structure, including last capping, lower capping, first shock attenuation frame and second shock attenuation frame, the below of going up the capping is provided with the lower capping through first boss grafting, the both sides integrated into one piece of lower capping is provided with the second boss, the top of going up the capping is provided with first shock attenuation frame. The utility model discloses a set up the capping, the lower capping, first shock attenuation frame and second shock attenuation frame, when the crane span structure received the vibrations of horizontal ripples, the second shock attenuation frame passes through the cooperation of second reset spring and roating seat, reduce the power of vibrations, when the crane span structure received the vibrations of vertical ripples, first shock attenuation frame passes through slider and first reset spring's cooperation, reduce the power of vibrations, thereby improve the shock attenuation effect, through the grafting design of capping and lower capping, be convenient for unpack the crane span structure apart when the cable damages, overhaul the internal cable, it is convenient to improve whole the use.

Description

Flexible fixed damping bridge

Technical Field

The utility model relates to a shock attenuation crane span structure technical field specifically is a flexible fixed shock attenuation crane span structure.

Background

The cable bridge is divided into structures such as a groove type structure, a tray type structure, a ladder type structure and a grid type structure, and is composed of a support, a supporting arm, an installation accessory and the like, the bridge in a building can be independently erected and also can be laid on various buildings and pipe gallery supports, the characteristics of simple structure, attractive appearance, flexible configuration, convenience in maintenance and the like are reflected, all parts are required to be galvanized, and the bridge is installed outside the building in the open air.

However, the existing bridge frame has the following defects: the existing bridge frame is still deficient in the aspect of solving shock absorption, cannot cope with transverse and longitudinal vibration, and is difficult to overhaul damaged cables and inconvenient to disassemble and maintain after the cables in a large-span bridge frame are damaged.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a flexible fixed shock attenuation crane span structure has solved the relatively poor and cable damage back of crane span structure shock attenuation that proposes among the above-mentioned background art problem of not being convenient for overhaul.

(II) technical scheme

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a flexible fixed shock attenuation crane span structure, includes upper trough cover, lower trough cover, first shock attenuation frame and second shock attenuation frame, the below of upper trough cover is provided with the lower trough cover through first boss grafting, the both sides integrated into one piece of lower trough cover is provided with the second boss, the top of upper trough cover is provided with first shock attenuation frame, guide arm one end fixed connection on the first shock attenuation frame is on the upper trough cover, the equal fixedly connected with second shock attenuation frame in both ends of first shock attenuation frame.

Furthermore, a threaded jack matched with the fixed lower groove cover is formed in the first boss.

Furthermore, the lower groove cover is connected to the upper groove cover in a sliding and inserting mode through a second boss, a plurality of fastening screws are arranged on the second boss in a matched mode, and the fastening screws are connected to the first boss in a threaded mode.

Further, first shock attenuation frame comprises guide arm, fixed block, connecting rod, slider and first reset spring, the guide arm slides and pegs graft on first shock attenuation frame, fixedly connected with fixed block on the guide arm, the both ends of fixed block are all rotated and are connected with the connecting rod, the other end of connecting rod rotates and connects on the slider, slider sliding connection is in the spout of seting up on first shock attenuation frame, all be provided with first reset spring in the spout of slider both sides.

Further, the second shock mount comprises bracing piece, lug, first roating seat, first connecting block, second reset spring, second roating seat, second connecting block and mounting hole, the one end of bracing piece integrated into one piece is provided with lug and first roating seat respectively, first roating seat rotates to be connected on first connecting block, be provided with second reset spring between first connecting block and the lug, the other end integrated into one piece of bracing piece is provided with the second roating seat, the second roating seat rotates to be connected on the second connecting block, the mounting hole has been seted up on the second connecting block.

(III) advantageous effects

Compared with the prior art, the utility model provides a flexible fixed shock attenuation crane span structure possesses following beneficial effect:

the utility model discloses, through setting up the capping, the lower capping, first shock attenuation frame and second shock attenuation frame, when the crane span structure receives the vibrations of horizontal ripples, the second shock attenuation frame passes through the cooperation of second reset spring and roating seat, reduce the power of vibrations, when the crane span structure receives the vibrations of vertical ripples, first shock attenuation frame passes through slider and first reset spring's cooperation, reduce the power of vibrations, thereby improve the shock attenuation effect, through the grafting design of capping and lower capping, be convenient for unpack the crane span structure apart when the cable damages, overhaul the internal cable, it is convenient to improve whole use.

Drawings

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

FIG. 2 is a schematic view of the overall front view structure of the present invention;

FIG. 3 is a schematic structural view of a first shock-absorbing mount of the present invention;

fig. 4 is a schematic structural view of the second shock absorbing frame of the present invention.

In the figure: 1. an upper tank cover; 101. a first boss; 2. a lower trough cover; 201. a second boss; 202. fastening screws; 3. a first shock-absorbing mount; 301. a guide bar; 302. a fixed block; 303. a connecting rod; 304. a slider; 305. a first return spring; 4. a second shock-absorbing mount; 401. a support bar; 402. a bump; 403. a first rotating base; 404. a first connection block; 405. a second return spring; 406. a second rotary base; 407. a second connecting block; 408. and (7) mounting holes.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in fig. 1-4, the utility model discloses a flexible fixed shock attenuation crane span structure that embodiment provided, including upper chute cover 1, lower chute cover 2, first shock attenuation frame 3 and second shock attenuation frame 4, the below of upper chute cover 1 is provided with lower chute cover 2 through first boss 101 grafting, and the both sides integrated into one piece of lower chute cover 2 is provided with second boss 201, and the top of upper chute cover 1 is provided with first shock attenuation frame 3, and the guide arm 301 one end fixed connection on the first shock attenuation frame 3 is on upper chute cover 1, the equal fixedly connected with second shock attenuation frame 4 in both ends of first shock attenuation frame 3.

To sum up, when the shock-absorbing bridge is used, the bridge is installed and fixed on a roof through the installation part matched with the installation hole 408, the upper slot cover 1 and the lower slot cover 2 are inserted and closed in a sliding manner, the lower slot cover 2 is fixed on the upper slot cover 1 through the fastening screw 202, and a cable is inserted between the upper slot cover 1 and the lower slot cover 2, so that the normal use can be realized, through the design of the first shock-absorbing frame 3 and the second shock-absorbing frame 4, when the bridge is vibrated, the vibration can be reduced, the bridge is prevented from loosening and falling due to rigid fixation, when the bridge is vibrated by longitudinal waves, the guide rod 301 can move up and down on the first shock-absorbing frame 3, when the guide rod 301 moves up and down, the fixed block 302 moves, the connecting rod 303 is rotatably connected on the fixed block 302, so the connecting rod 303 can also move along with the guide rod 301, the connecting rod 303 drives the sliding block 304 to move in the sliding groove formed in the first shock-absorbing frame 3, the first return spring 305 is installed inside the sliding grooves on two sides of the sliding block 304, when the sliding block 304 moves, the first return spring 305 is squeezed, the first return spring 305 reduces or counteracts the force during vibration, so that the bridge is kept stable, when the bridge is subjected to the vibration of transverse waves, the supporting rod 401 moves, the supporting rod 401 rotates on the first connecting block 404 through the first rotating seat 403, the supporting rod 401 is integrally formed with the convex block 402, when the supporting rod 401 moves, the second return spring 405 between the convex block 402 and the first connecting block 404 is driven to move, the second return spring 405 reduces the vibration through contraction and extrusion, so as to reduce the shake of the bridge caused by the vibration, the second damping frames 4 on two sides of the first damping frame 3 are matched with each other, so that the bridge is kept in dynamic balance during the vibration, the shock resistance is improved, common bridges are usually in a closed or semi-closed design, in the erection of big span, can have the damage phenomenon after the inside cable of crane span structure uses for a long time, because closed or semi-enclosed crane span structure design, the maintenance of the inside cable of crane span structure is fairly troublesome, through the design of the slip grafting of upper groove cover 1 and lower groove cover 2, when inside cable damages, unload fastening screw 202 through the pine, take out target area's lower groove cover 2 from with the grafting of upper groove cover 1, be convenient for open the crane span structure, to the maintenance of inside cable, improve the maintenance convenience, overall design is rational in infrastructure, improve the shock-absorbing capacity of crane span structure, ensure that the installation is firm, improve whole practicality.

As shown in fig. 1 and 2, in some embodiments, the first boss 101 is provided with a threaded socket for fixing the lower chute cover 2 in a matching manner, and the threaded socket is used for connecting with a fastening screw 202, so as to ensure that the lower chute cover 2 of the upper chute cover 1 is firmly inserted, and the deviation is not generated, thereby ensuring normal use.

As shown in fig. 1 and 2, in some embodiments, the lower slot cover 2 is slidably inserted into the upper slot cover 1 through a second boss 201, a plurality of fastening screws 202 are cooperatively arranged on the second boss 201, the fastening screws 202 are threadedly connected to the first boss 101, and the lower slot cover 2 is conveniently inserted into the upper slot cover 1 through the second boss 201, so that maintenance and repair of cables inside the bridge are improved, and convenience is improved.

As shown in fig. 3, in some embodiments, the first damping frame 3 is composed of a guide rod 301, a fixed block 302, a connecting rod 303, a sliding block 304 and a first return spring 305, the guide rod 301 is slidably inserted into the first damping frame 3, the fixed block 302 is fixedly connected to the guide rod 301, the connecting rod 303 is rotatably connected to both ends of the fixed block 302, the other end of the connecting rod 303 is rotatably connected to the sliding block 304, the sliding block 304 is slidably connected to a sliding groove formed in the first damping frame 3, the first return spring 305 is respectively arranged in the sliding grooves on both sides of the sliding block 304, the first damping frame 3 is provided with a plurality of damping frames, and is used for reducing the influence of longitudinal wave vibration on the bridge frame and improving the anti-seismic effect of the bridge frame.

As shown in fig. 4, in some embodiments, the second shock absorbing frame 4 is composed of a supporting rod 401, a protruding block 402, a first rotating seat 403, a first connecting block 404, a second return spring 405, a second rotating seat 406, a second connecting block 407 and a mounting hole 408, one end of the supporting rod 401 is integrally formed with the protruding block 402 and the first rotating seat 403, the first rotating seat 403 is rotatably connected to the first connecting block 404, the second return spring 405 is arranged between the first connecting block 404 and the protruding block 402, the other end of the supporting rod 401 is integrally formed with the second rotating seat 406, the second rotating seat 406 is rotatably connected to the second connecting block 407, the mounting hole 408 is formed in the second connecting block 407, and the second shock absorbing frame 4 is provided with a plurality of shock absorbing frames 4.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a flexible fixed shock attenuation crane span structure, includes upper chute cover (1), lower chute cover (2), first shock attenuation frame (3) and second shock attenuation frame (4), its characterized in that: go up the below of capping (1) and peg graft through first boss (101) and be provided with lower capping (2), the both sides integrated into one piece of lower capping (2) is provided with second boss (201), the top of going up capping (1) is provided with first shock attenuation frame (3), guide arm (301) one end fixed connection on first shock attenuation frame (3) is on last capping (1), the equal fixedly connected with second shock attenuation frame (4) in both ends of first shock attenuation frame (3).

2. The flexible fixed shock absorbing bridge as set forth in claim 1, wherein: and the first boss (101) is provided with a threaded jack matched with the fixed lower groove cover (2).

3. The flexible fixing shock-absorbing bridge frame of claim 1, wherein: the lower groove cover (2) is connected to the upper groove cover (1) in a sliding mode through a second boss (201), a plurality of fastening screws (202) are arranged on the second boss (201) in a matched mode, and the fastening screws (202) are connected to the first boss (101) in a threaded mode.

4. The flexible fixed shock absorbing bridge as set forth in claim 1, wherein: first shock attenuation frame (3) comprise guide arm (301), fixed block (302), connecting rod (303), slider (304) and first reset spring (305), guide arm (301) slide and peg graft on first shock attenuation frame (3), fixedly connected with fixed block (302) on guide arm (301), the both ends of fixed block (302) are all rotated and are connected with connecting rod (303), the other end of connecting rod (303) is rotated and is connected on slider (304), slider (304) sliding connection is in the spout of seting up on first shock attenuation frame (3), all be provided with first reset spring (305) in the spout of slider (304) both sides.

5. The flexible fixing shock-absorbing bridge frame of claim 1, wherein: the second shock absorption frame (4) is composed of a supporting rod (401), a convex block (402), a first rotating seat (403), a first connecting block (404), a second reset spring (405), a second rotating seat (406), a second connecting block (407) and a mounting hole (408), one end of the supporting rod (401) is provided with the convex block (402) and the first rotating seat (403) in an integrated forming mode respectively, the first rotating seat (403) is connected to the first connecting block (404) in a rotating mode, the second reset spring (405) is arranged between the first connecting block (404) and the convex block (402), the second rotating seat (406) is arranged at the other end of the supporting rod (401) in an integrated forming mode, the second rotating seat (406) is connected to the second connecting block (407) in a rotating mode, and the mounting hole (408) is formed in the second connecting block (407).

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