CN-121992710-A - Damping device for connection of offshore steel trestle and ladder cage base

CN121992710ACN 121992710 ACN121992710 ACN 121992710ACN-121992710-A

Abstract

The invention relates to the technical field of ladder cage installation and discloses a damping device for connecting an offshore steel trestle with a ladder cage base, which comprises a base plate and a fixing component, wherein the surface of the base plate is integrally connected with a supporting table, feet of the ladder cage are placed on the upper surface of the supporting table, the fixing component consists of a plurality of groups of fixing plates, the fixing plates are respectively and correspondingly covered on the side edges of the feet and are sequentially connected end to end along the circumferential direction to jointly cover the side edges of the feet.

Inventors

FANG QINGLIN
Xia Gaoyun
PENG ZHIYUAN
YANG WEI
LIN LI
ZHU JIAN
ZHENG RONG
CHEN XIANG
HUANG YIXUAN
Yao Guibang
WEN YI
SONG YUEJUN
Lin Chuanyuan
CAO PENGHUI

Assignees

浙江交工路桥建设有限公司
浙江交工集团股份有限公司

Dates

Publication Date: 20260508
Application Date: 20260303

Claims (9)

1. The damping device for connecting an offshore steel trestle with a ladder cage base is characterized by comprising a base plate and a fixing assembly, wherein the surface of the base plate is integrally connected with a supporting table, feet of a ladder cage are placed on the upper surface of the supporting table, the fixing assembly consists of a plurality of groups of fixing plates, the fixing plates are respectively correspondingly covered on the side edges of the feet and are sequentially connected end to end along the circumferential direction to jointly cover the side edges of the feet, the edge of the fixing plate close to the lower side is fixedly connected with the base plate, the edge of the fixing plate close to the upper side is fixedly connected with the feet, a first damping pad is arranged between the feet and the fixing plate, and the first damping pad is fixedly connected with the inner wall of the fixing plate; The base plate comprises a base plate and cross plates which are arranged corresponding to the plurality of groups of fixing plates, the cross plates are connected to the base plate, the surfaces of the cross plates are provided with a plurality of groups of cross grooves, the surfaces of one sides of the fixing plates, far away from the feet, of the groups of fixing plates are fixedly connected with cross blocks which are arranged corresponding to the plurality of groups of cross grooves, the cross blocks are inserted into the cross grooves, and the parts, which are in contact with the cross blocks and the cross plates, are fixed through welding.
2. The damping device for connecting an offshore steel trestle with a ladder cage base according to claim 1, wherein the connecting blocks are trapezoid prismatic, the shape of the connecting grooves is corresponding to the shape of the connecting blocks, and the connecting blocks are inserted into the connecting grooves from top to bottom.
3. The damping device for connection between an offshore steel trestle and a cage base according to claim 1, wherein the base plate is provided with a slot on the surface thereof, the connecting plate comprises a clamping portion and a connecting portion, the lower surface of the connecting portion is fixedly connected to the upper surface of the clamping portion, the connecting plate is inserted into the slot from the lower side of the base plate, the clamping portion is clamped in the slot, the upper end of the connecting portion extends to the upper portion of the slot through the slot, and the connecting slot is formed in the surface of the connecting portion.
4. The damping device for connection of an offshore steel trestle and a cage base according to claim 1, wherein the base plate is provided with right-angle plates, and two mutually perpendicular side surfaces of the right-angle plates are respectively fixed with the connecting block and the surface of the base plate through welding.
5. The damping device for connection of an offshore steel trestle and a ladder cage base is characterized in that a pressing component is arranged inside each group of fixing plates and below a bottom foot, the pressing component comprises a transmission piece, a pressing plate and supporting pieces, the supporting pieces are provided with a plurality of groups, each group of supporting pieces comprises an outer supporting rod and an inner supporting rod which are symmetrically arranged, a sliding groove is formed in the surface of a base plate, a push rod is connected in the sliding groove in a sliding mode, the upper ends of the outer supporting rods and the inner supporting rods are all in rotary connection with the lower surface of the pressing plate, the lower ends of the outer supporting rods are in rotary connection with the surface of the push rod, the lower ends of the inner supporting rods are in rotary connection with a supporting table, a second damping pad is fixedly connected to the upper surface of the pressing plate, the transmission piece is connected to the surface of the push rod, and the connecting block is matched with the transmission piece to drive the push rod to move towards one side close to the supporting table when being inserted into the connecting groove from top to bottom, and the second damping pad is pressed against the lower surface of the bottom foot by the push rod.
6. The damping device for connection of an offshore steel trestle and a cage base according to claim 5, wherein the first damping pad and the second damping pad are made of rubber.
7. The damping device for connection of an offshore steel trestle and a ladder cage base according to claim 5, wherein the transmission piece comprises a plurality of groups of horizontal transmission rods and vertical transmission rods, the horizontal transmission rods and the vertical transmission rods are respectively provided with a plurality of groups of vertical transmission rods, the plurality of groups of vertical transmission rods are correspondingly connected to the lower surfaces of the plurality of groups of connecting blocks, the plurality of groups of horizontal transmission rods are jointly connected to the surfaces of the push rods and are slidably connected in the slide grooves, the edges of one side, close to the horizontal transmission rods, of the lower surfaces of each group of vertical transmission rods are inclined surfaces, the edges of one side, close to the vertical transmission rods, of the upper surfaces of the horizontal transmission rods are inclined surfaces, transmission grooves are formed in the inner bottom surfaces of the connecting grooves, and the vertical transmission rods can be inserted into the transmission grooves.
8. The damping device for connecting an offshore steel trestle with a ladder cage base according to claim 7, wherein the ends of the inner support rod and the outer support rod, which are close to the pressing plate, are fixedly connected with support blocks.
9. The damping device for connection of an offshore steel trestle and a ladder cage base according to claim 5, wherein a plurality of groups of vertical supporting components are connected to the lower surface of each group of pressing plates, each vertical supporting component comprises a vertical hydraulic cylinder and a horizontal hydraulic cylinder which are connected to a base plate, a first piston and a second piston are respectively and slidably connected to each vertical hydraulic cylinder and each horizontal hydraulic cylinder, one end of each horizontal hydraulic cylinder is connected to the surface of each vertical hydraulic cylinder and is communicated with the interior of each vertical hydraulic cylinder, a vertical rod is fixedly connected to the surface of each first piston, one end of each vertical rod, which is far away from each first piston, extends to the outside of each vertical hydraulic cylinder to be connected with the lower surface of each pressing plate, a cross rod is connected to the surface of each second piston, one end of each cross rod, which is far away from each second piston, extends to the outside of each horizontal hydraulic cylinder to be fixedly connected with a push rod, and hydraulic oil is injected into a space between each first piston and each second piston.

Description

Damping device for connection of offshore steel trestle and ladder cage base Technical Field The invention belongs to the technical field of ladder cage installation, and particularly relates to a damping device for connecting an offshore steel trestle with a ladder cage base. Background Along with expansion and perfection of highway networks, the construction requirements of bridge engineering are greatly increased, the construction range is gradually extended from land to offshore and cross-sea areas, and the number and the scale of sea construction projects are enlarged. In recent years, national maritime departments and related industry authorities have put more stringent requirements on the safety management of high-risk engineering construction, and particularly emphasize that ladder cage facilities matched with the national maritime departments and related industry authorities should be designed and configured according to different water area conditions, engineering structures and operation environments so as to really ensure the operation safety of constructors and meet increasingly stringent safety technical specifications. In the ladder cage installation process of a part of sea engineering projects, a concrete bottom plate is required to be poured in advance to serve as an installation foundation of the ladder cage in order to cope with complex hydrogeological conditions, and then the bottom feet of the ladder cage and the concrete bottom plate are directly connected in a welding or expansion screw anchoring mode, so that a unified whole is formed with a main body structure. Nevertheless, under the prior art condition, the ladder cage that marine construction used still generally has comparatively obvious rocking problem under the influence of external environmental factors such as stormy waves, rivers and self crawler travel, does not have at present system, reliable and can effectively restrain the safety device of this kind of rocking. Therefore, in order to improve the overall stability and safety performance of the offshore steel trestle ladder cage, a novel device special for reducing the vibration of the ladder cage is urgently needed to be developed so as to fill the blank of the prior art and ensure the safety and the high efficiency of offshore operation. Disclosure of Invention The invention aims to solve the problems and provide the damping device with simple structure and reasonable design. The invention realizes the above purpose through the following technical scheme: The invention provides a damping device for connecting an offshore steel trestle with a ladder cage base, which comprises a base plate and a fixing assembly, wherein the surface of the base plate is integrally connected with a supporting table, feet of a ladder cage are placed on the upper surface of the supporting table, the fixing assembly consists of a plurality of groups of fixing plates, the fixing plates are respectively and correspondingly covered on the side edges of the feet and are sequentially connected end to end along the circumferential direction to jointly cover the side edges of the feet, the edge of the fixing plate close to the lower side is fixedly connected with the base plate, the edge of the fixing plate close to the upper side is fixedly connected with the feet, a first damping pad is arranged between the feet and the fixing plate, and the first damping pad is fixedly connected with the inner wall of the fixing plate; The base plate comprises a base plate and cross plates which are arranged corresponding to the plurality of groups of fixing plates, the cross plates are connected to the base plate, the surfaces of the cross plates are provided with a plurality of groups of cross grooves, the surfaces of one sides of the fixing plates, far away from the feet, of the groups of fixing plates are fixedly connected with cross blocks which are arranged corresponding to the plurality of groups of cross grooves, the cross blocks are inserted into the cross grooves, and the parts, which are in contact with the cross blocks and the cross plates, are fixed through welding. As a further optimized scheme of the invention, the cross-connecting block is in a trapezoid prism shape, the shape of the cross-connecting groove is correspondingly arranged with the cross-connecting block, and the cross-connecting block is inserted into the cross-connecting groove from top to bottom. As a further optimization scheme of the invention, the surface of the substrate is provided with the slot, the connecting plate comprises a clamping part and a connecting part, the lower surface of the connecting part is fixedly connected with the upper surface of the clamping part, the connecting plate is inserted into the slot from the lower side of the substrate, the clamping part is clamped in the slot, the upper end of the connecting part penetrates through the slot to extend to the upper side of the slot, and the connecting groove is