CN213173353U

CN213173353U - Bridge construction is with lifting by crane stop device

Info

Publication number: CN213173353U
Application number: CN202021126401.9U
Authority: CN
Inventors: 黄伟修; 邱宇龙; 王超; 庞世荣
Original assignee: Heilongjiang Longjian Road And Bridge No5 Engineering Co ltd; Longjian Road and Bridge Co Ltd
Current assignee: Heilongjiang Longjian Road And Bridge No5 Engineering Co ltd; Longjian Road and Bridge Co Ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-05-11
Anticipated expiration: 2030-06-17

Abstract

The utility model belongs to the technical field of bridge construction, especially, be a lifting stop device for bridge construction, including the jib, the upper end both sides of jib have all been seted up and have been connected the plug-in chamber, the inside of connecting the plug-in chamber is inserted and is connected with and connect the spiale, the bottom end of connecting the spiale closes soon and is connected with spacing nut and No. two spacing nuts, the upper end fixedly connected with stand of connecting the spiale, the upper end fixedly connected with of stand connects the becket, the upper end fixedly connected with of connecting the becket attaches the lifting rope, through connecting spiale and connecting the spiale, and spacing nut and No. two spacing nuts, accomplish the indirect fixed connection of attaching the lifting rope relative jib, attaches the lifting rope and not directly contact with the bridge slab to alleviate the external wear of attaching the lifting rope; meanwhile, the inner surface of the suspender is in fit contact with the bottom end surface of the bridge plate, and the suspender is uniformly lifted by the auxiliary lifting ropes on the two sides of the upper end of the suspender, so that the auxiliary lifting ropes are balanced in stress and not easy to break.

Description

Bridge construction is with lifting by crane stop device

Technical Field

The utility model belongs to the technical field of the bridge construction, concretely relates to bridge construction is with lifting by crane stop device.

Background

The bridge generally comprises an upper structure, a lower structure, a support and an auxiliary structure, wherein the upper structure is also called a bridge span structure and is a main structure for spanning obstacles, and the lower structure comprises a bridge abutment, a bridge pier and a foundation; the support is a force transmission device arranged at the supporting positions of the bridge span structure and the bridge pier or the bridge abutment; the auxiliary structures refer to bridge end butt straps, tapered revetments, diversion works and the like.

The bridge needs to be lifted one by one and erected on a pier through lifting devices, such as cranes, in the construction process so as to facilitate the subsequent construction of the bridge, the two lifting devices bind and fix the two ends of the bridge plate through lifting ropes respectively in the construction process, the two lifting devices drive the lifting ropes and the bridge plate to ascend synchronously through a transmission mechanism and erect the lifting ropes on the pier, and the lifting ropes are taken down from the two ends of the bridge plate after the erection.

In the construction process of a bridge, a hoisting device is bound and fixed with two ends of a bridge plate through hoisting ropes, so that the two ends of the bridge plate are limited and fixed, the bridge is hoisted, the bridge plate is prevented from falling in the hoisting process, the hoisting ropes are mostly metal steel ropes, the contact abrasion between the hoisting ropes and the bridge plate is serious, and the service life of the hoisting ropes is influenced; meanwhile, the lifting rope is not completely attached to the bottom of the bridge plate, the lifting rope is stressed unevenly and is easy to break, and the service life of the lifting rope is influenced.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a bridge construction is with lifting by crane stop device has fixed firm and the convenient characteristics of use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bridge construction is with lifting by crane stop device, includes the jib, the upper end both sides of jib have all been seted up and have been connected and have been inserted the chamber, connect the inside of inserting the chamber and insert and close and be connected with the connection axle of inserting, the bottom tip of connecting the axle of inserting closes soon and is connected with a limit nut and No. two limit nuts, connect the upper end tip fixedly connected with stand of inserting the axle, the upper end fixedly connected with of stand connects the becket bridle, the upper end fixedly connected with of connecting the becket bridle attaches the lifting rope, the upper end fixedly connected with of attaching the lifting rope connects the becket bridle, the upper end fixedly connected with main lifting rope of connecting the.

As the utility model discloses a bridge construction is with preferred technical scheme of stop device that lifts by crane, the outside registrates all around of stand is connected with the sleeve, the outer wall of stand is located sleeve upper end fixedly connected with stopper all around, the outer wall of stand is located telescopic bottom fixedly connected with stopper No. two all around.

As the utility model discloses a preferred technical scheme of hoisting stop device is used in bridge construction, a stopper is parallel to each other and all laminates each other with the sleeve with No. two stoppers.

As the utility model discloses a preferred technical scheme of stop device lifts by crane is used in bridge construction, telescopic one side fixed surface is connected with spacing depression bar, the outside fixedly connected with rod cover all around of spacing depression bar, the rod cover is the rubber component.

As the utility model discloses a preferred technical scheme of stop device lifts by crane is used in bridge construction, it is the arc structure to connect the becket bridle, attach the lifting rope and be the symmetry setting.

As the utility model discloses a preferred technical scheme of stop device is lifted by crane to bridge construction, the jib is the metal component.

Compared with the prior art, the beneficial effects of the utility model are that: when the auxiliary lifting rope is used, the auxiliary lifting rope is indirectly and fixedly connected with the lifting rod through the connecting inserting shaft, the connecting inserting cavity, the first limiting nut and the second limiting nut, and is not in direct contact with the bridge plate, so that the external abrasion of the auxiliary lifting rope is reduced; meanwhile, when the bridge plate is used, the inner surface of the suspender is in fit contact with the bottom end surface of the bridge plate, and the suspender is uniformly lifted by the auxiliary lifting ropes on the two sides of the upper end of the suspender, so that the auxiliary lifting ropes are balanced in stress and not easy to break.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

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

fig. 3 is a schematic front view of a partial structure of the present invention;

FIG. 4 is a schematic view of the external connection structure of the connection plug shaft according to the present invention;

FIG. 5 is a schematic view of the connection structure inside the connection shaft of the present invention;

FIG. 6 is an enlarged view of the structure at A in FIG. 4;

FIG. 7 is an enlarged view of the structure at B in FIG. 4;

FIG. 8 is an enlarged view of the structure at C in FIG. 5;

FIG. 9 is an enlarged view of the structure shown at D in FIG. 5;

in the figure: 1. a boom; 2. connecting the inserted shaft; 3. a column; 4. a sleeve; 5. a limiting pressure lever; 6. a rod sleeve; 7. connecting rope rings; 8. attaching a lifting rope; 9. connecting the rope columns; 10. a main lifting rope; 11. a first limit nut; 12. a second limit nut; 13. connecting the plug cavity; 14. a first limiting block; 15. and a second limiting block.

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

Referring to fig. 1-9, the present invention provides the following technical solutions: the utility model provides a bridge construction is with lifting stop device, including jib 1, connection plug cavity 13 has all been seted up to jib 1's upper end both sides, the inside of connecting plug cavity 13 is inserted and is closed and be connected with connection plug shaft 2, the bottom tip of connecting plug shaft 2 closes soon and is connected with limit nut 11 and No. two limit nut 12, the upper end tip fixedly connected with stand 3 of connecting plug shaft 2, the upper end fixedly connected with of stand 3 connects cable loop 7, the upper end fixedly connected with of connecting cable loop 7 attaches lifting rope 8, the upper end fixedly connected with of attaching lifting rope 8 connects cable column 9, the upper end fixedly connected with main lifting rope 10 of connecting cable column 9, in the embodiment, when using, arrange jib 1 laminating in the both ends face of bridge slab, through jib 1 to the spacing lift in both ends of bridge slab, be convenient for the spacing of bridge slab lifting in-process fixed, and simultaneously, when using, accomplish through connecting plug cavity 13 and connection plug cavity and No. one limit nut 11 and No. two limit nut 12 and attaching

rope

8 and 1 relative 1 of suspension rope The auxiliary lifting rope 8 is not in direct contact with the bridge plate, so that the external abrasion of the auxiliary lifting rope 8 is reduced; simultaneously, when using, through the internal surface of jib 1 and the bottom face laminating contact of bridge board, through the accessory lifting rope 8 of 1 upper end both sides of jib 1 to carry out the homonymy to promote jib 1 to make and attach 8 atress equilibrium of lifting rope difficult fracture.

Specifically, the outside of stand 3 registrates all around and is connected with sleeve 4, the outer wall of stand 3 is located No. one stopper 14 of sleeve 4 upper end fixedly connected with all around, the outer wall of stand 3 is located No. two stoppers 15 of sleeve 4's bottom fixedly connected with all around, in this embodiment, stand 3 is the metal cylindricality, be used for sleeve 4's rotation, and connect the fixed connection of spiale 2 and connection becket bridle 7, sleeve 4 is the metal tube-shape, be used for the rotation of limiting pressure pole 5, limiting pressure pole 5 is the metal arc, be used for the voltage limiting of bridge plate upper end, be used for jib 1 fixed on bridge plate upper portion, pole cover 6 is the rubber material, make limiting pressure pole 5's surface and the up end elastic extrusion laminating of bridge plate.

Specifically, No. one stopper 14 is parallel to each other and all laminates each other with sleeve 4 with No. two stoppers 15, and in this embodiment, No. one stopper 14 is the metal arc with No. two stoppers 15 for the spacing at both ends about 3 outside sleeves 4 of stand prevents that sleeve 4 from following the stand 3 and moving about and deviating from.

Specifically, a limiting pressure rod 5 is fixedly connected to the surface of one side of the sleeve 4, a rod sleeve 6 is fixedly connected to the periphery of the outside of the limiting pressure rod 5, and the rod sleeve 6 is a rubber component.

Specifically, the connecting rope ring 7 is of an arc-shaped structure, the auxiliary lifting ropes 8 are symmetrically arranged, in the embodiment, the connecting rope ring 7 is of a metal arc shape, the auxiliary lifting ropes 8 are metal steel ropes, the connecting rope columns 9 are metal column-shaped and are used for fixedly connecting the auxiliary lifting ropes 8 and the main lifting ropes 10, the main lifting ropes 10 are metal steel ropes, and the main lifting ropes 10 are fixedly connected with a lifting hook of a crane.

Concretely, jib 1 is the metal component, in this embodiment, jib 1 is the metal material, jib 1 can customize according to the user demand, it is not general, jib 1 is convenient for carry of bridge plate and hangs, connect plug pin 2 and be the metal cylindricality, and bottom outer wall integrated into one piece all around has the external screw thread that is used for a limit nut 11 and No. two limit nut 12 to close the connection soon, a limit nut 11 and No. two limit nut 12 when the ann tears open, can use supporting ann to tear open the instrument, for example, the spanner, a limit nut 11 and No. two limit nut 12 are used for connecting the dual spacing of plug pin 2 bottoms, connect plug pin 2 and be difficult for following to be deviate from in connecting plug cavity 13.

The utility model discloses a theory of operation and use flow: when the utility model is used, the main lifting rope 10 is fixedly connected with the lifting hook of the external crane in advance, so as to complete the indirect fixed connection of the suspender 1 relative to the crane, when in construction, the two cranes are synchronously carried out, a plurality of workers are also equipped to pull the suspender 1 and pull the suspender 1 to the end part of the suspender 1, so that the inner surface of the suspender 1 is mutually attached to the bottom end surface of the bridge plate, the sleeve 4 is rotated relative to the upright post 3, the upper end and the lower end of the sleeve 4 are limited by the first limiting block 14 and the second limiting block 15, one side of the upright post 3 rotated by the sleeve 4 is positioned at the upper end of the bridge plate, the rod sleeve 6 at the periphery outside the limiting pressure rod 5 is elastically extruded and attached to the upper end surface of the bridge plate, thereby completing the fixation of the suspender 1 relative to the bridge plate end part, the main lifting rope 10 is lifted by the crane, thereby lifting the suspender 1 and the bridge plate and erecting the same on the pier, after putting up and finishing, then carry out jib 1 and pick up work, lift jib 1, screw off and connect a limit nut 11 and No. two limit nut 12 of 2 bottoms of spiale, connect spiale 2 and connect and insert chamber 13 alternate segregation, jib 1 with attach lifting rope 8 alternate segregation, simultaneously, jib 1 and bridge slab alternate segregation to accomplish jib 1 pick up work, before next use, in advance with jib 1 with attach lifting rope 8 and carry out fixed connection.

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

1. The utility model provides a bridge construction is with lifting by crane stop device which characterized in that: including jib (1), the upper end both sides of jib (1) have all been seted up to connect and have been inserted chamber (13), the inside of connecting and inserting chamber (13) is inserted and is closed and be connected with and connect and insert axle (2), the bottom tip of connecting and inserting axle (2) closes soon and is connected with limit nut (11) and No. two limit nut (12), connect the upper end tip fixedly connected with stand (3) of inserting axle (2), the upper end fixedly connected with of stand (3) connects becket bridle (7), the upper end fixedly connected with of connecting becket bridle (7) attaches lifting rope (8), attach the upper end fixedly connected with of lifting rope (8) and connect becket bridle (9), the upper end fixedly connected with of connecting becket bridle (9) owner lifting rope (10).

2. The hoisting limiting device for bridge construction according to claim 1, characterized in that: the outside of stand (3) is registrated all around and is connected with sleeve (4), the outer wall of stand (3) is located sleeve (4) upper end fixedly connected with stopper (14) all around, the outer wall of stand (3) is located sleeve (4) bottom fixedly connected with stopper (15) all around.

3. The hoisting limiting device for bridge construction according to claim 2, characterized in that: a stopper (14) and No. two stoppers (15) are parallel to each other and all laminate each other with sleeve (4).

4. The hoisting limiting device for bridge construction according to claim 2, characterized in that: the limiting compression bar is characterized in that a limiting compression bar (5) is fixedly connected to the surface of one side of the sleeve (4), a bar sleeve (6) is fixedly connected to the periphery of the outside of the limiting compression bar (5), and the bar sleeve (6) is a rubber component.

5. The hoisting limiting device for bridge construction according to claim 1, characterized in that: the connecting rope ring (7) is of an arc-shaped structure, and the auxiliary lifting ropes (8) are symmetrically arranged.

6. The hoisting limiting device for bridge construction according to claim 1, characterized in that: the hanger rod (1) is a metal component.