CN212510034U - Marine horizontal double-bridge buoyant raft vibration isolation pipe clamp - Google Patents

Abstract

The utility model discloses a marine horizontal double bridge buoyant raft vibration isolation pipe clamp, it is used for with boats and ships pipeline and/or boats and ships equipment unit pipeline fixed mounting on hull structure and/or the installing support of boats and ships equipment unit, the utility model discloses can alleviate the pipeline vibration to the influence of boats and ships structure and/or boats and ships equipment, also can alleviate the vibration influence of boats and ships structure and/or boats and ships equipment vibration to the pipeline. The utility model can reduce vibration noise by more than 7-11 decibels, and is applied to land and vehicles except for ship systems and ship equipment units; all obtain good social and economic benefits.

Description

Marine horizontal double-bridge buoyant raft vibration isolation pipe clamp

Technical Field

The utility model relates to a marine horizontal double bridge buoyant raft vibration isolation pipe clamp, in particular to marine double bridge double seat vibration isolation pipe clamp with noise reduction damping function is applicable to the boats and ships pipeline, and the noise reduction damping of prime mover equipment unit pipelines such as boats and ships air compressor machine, boats and ships hydraulic oil pump, boats and ships water pump belongs to boats and ships damping technical field.

Background

The marine pipeline performs mission tasks for ships, and provides and conveys various constant pressure liquids and gases such as fresh water, hot water, fresh air and compressed air for normal life and work of people; such as supplying fuel oil and lubricating oil for the main machine and the auxiliary machine; providing hydraulic oil for the control systems of the main machine and the auxiliary machine; providing hydraulic oil for the controllable pitch propeller; providing pressure liquid and lubricating oil for deck machinery such as steering engines, anchor machines, cranes and the like; compressed air is provided for the starting of the main machine, the whistle and the pneumatic machinery, etc. However, since various cabin facilities for ships are numerous, various complicated piping systems are required, and various ship facility unit pipes and ship pipes are inevitably clamped as necessary. At present, the method for clamping the pipeline in the shipbuilding industry at home and abroad is mainly rigid pipe clamp clamping, the individual position is clamped by the pipe clamp with the spring, the rigid pipe clamp can hardly isolate vibration, and the spring pipe clamp is only suitable for clamping the individual special position, so the effect is not ideal. Due to the effects of wind and wave flow on the ship body, the movement of the ship body, the working movement of various machines in the ship body, the flow of fluid in pipelines, the vibration of the pipelines and other factors, the complex vibration and noise of the pipelines are caused, particularly the noise and vibration of the pipelines of ship equipment units such as a high-pressure air compressor, a hydraulic steering engine, a hydraulic anchor gear and the like are particularly complex, so that pipe damage or equipment damage accidents are caused, and even serious disasters are caused; the pipeline for conveying power fluid may cause large vibration and noise, the vibration and noise can cause severe environment of a working place and a mechanical place, adverse influence and damage to a liquid conveyor can be caused, adverse influence and damage to other equipment can be caused, physical and psychological damage can be caused to crews, a ship can not normally complete mission tasks in severe cases, stealth of a military ship is particularly not facilitated, and the operational capacity of the battle naval ship is severely restricted. In view of the above circumstances, it is urgently needed to design a novel marine vibration isolation pipe clamp device to reduce the vibration intensity and vibration noise of various pipelines.

Disclosure of Invention

An object of the utility model is to provide a can alleviate marine horizontal formula double bridge buoyant raft vibration isolation pipe clamp more than 7 ~ 11 decibels of intensity of vibration for boats and ships pipeline and boats and ships equipment unit pipeline.

The purpose of the utility model is realized through the following technical scheme:

a marine horizontal type double-bridge buoyant raft vibration isolation pipe clamp comprises an upper clamp, a bridge clamp, two buoyant rafts, a bridge seat, four inner vibration isolation connecting mechanisms and four outer vibration isolation connecting mechanisms, and is characterized in that the upper clamp is used for positioning, clamping and fixing a pipeline to be clamped and positioned on the bridge clamp, the bridge clamp is positioned on two radial sides of an axis of the upper clamp and is respectively connected with the inner vibration isolation connecting mechanisms in the front and at the back, the inner vibration isolation connecting mechanisms are connected with the outer vibration isolation connecting mechanisms through the buoyant rafts, the outer vibration isolation connecting mechanisms are connected to the bridge seat, and the bridge seat is fixedly installed on a mounting bracket on a hull structure and/or a ship equipment unit; the axis of the buoyant raft and the axis of the pipeline are arranged in parallel in space.

Further, as a preferred option, the upper clamp includes a buckle, two side clamp pads and an upper clamp pad, wherein the buckle is of a horseshoe-shaped structure with a rectangular cross section, a long dovetail-shaped bayonet top hole is formed in the top of the buckle, a long dovetail-shaped bayonet side hole is formed in the middle of each of two sides of the buckle, a fastening bolt hole is formed in each of two sides of the bottom of the buckle, the side clamp pads are positioned and connected to the bayonet side holes, the upper clamp pad is positioned and connected to the bayonet top hole, a pipeline to be clamped and positioned is clamped and positioned on the two side clamp pads, the upper clamp pad and a lower clamp pad on the bridge clamp, a fastening threaded hole is formed in each of two ends of the bridge clamp, and a fastening bolt penetrates through the fastening bolt hole and is in threaded connection with the fastening threaded hole, so that the bridge clamp frame is detachably connected with the buckle; the upper clamping pad is of a fan-shaped structure with a rectangular cross section, and a long-strip dovetail-shaped upper clamping pad convex shoulder matched with the bayonet top hole in an embedded mode is arranged at the upper part of the upper clamping pad; the side clamping pad is of a fan-shaped structure with a rectangular cross section, and a long dovetail-shaped side clamping pad convex shoulder matched with the bayonet side hole in an embedded mode is arranged on the outer side of the side clamping pad; the upper clamping pad, the side clamping pad and the buckle are vulcanized into an integral structure.

Further, preferably, the bridge clamp comprises a bridge clamp frame, four bridge clamp arms, four bridge clamp seat bearings and a lower clamp pad, wherein the two side surfaces of the bridge clamp frame near the two ends are fixedly connected with the four bridge clamp arms which are symmetrically arranged up and down, left and right, the lower side surface of the other end of each bridge clamp arm is fixedly connected with the upper side surface of the bridge clamp seat bearing, and each bridge clamp seat bearing is connected with the floating raft by adopting an inner vibration isolation connecting mechanism;

the bridge clamping frame is of a long strip-shaped structure with a rectangular cross section, a long strip dovetail-shaped bridge clamping frame groove is formed in the middle position of the upper portion of the bridge clamping frame, the lower clamping pad is of a fan-shaped structure with a rectangular cross section, a long strip dovetail-shaped lower clamping pad convex shoulder is arranged on the lower portion of the lower clamping pad, and the lower clamping pad convex shoulder is embedded into and matched with the bridge clamping frame groove and is vulcanized with the bridge clamping frame into an integral structure;

the bridge clamping arm is of a long strip-shaped structure with a rectangular cross section; the bridge clamping seat bearing is a cylindrical body with a rectangular cross section, and a bridge clamping seat bearing hole on the bridge clamping seat bearing is in a frustum pyramid shape; the four bridge clamping seat bearings are symmetrically arranged up and down, left and right, and the large ends of the four bridge clamping seat bearing holes face to be close.

Further, preferably, the floating raft comprises a floating raft rod, two inner bearings and two outer bearings; each bridge clamping seat bearing is connected with an inner seat bearing by adopting an inner vibration isolation connecting mechanism, and the inner seat bearings and the bridge clamping seat bearings are arranged in parallel and at intervals oppositely; the inner side surfaces of the two ends of the floating raft rods are fixedly connected with the side surfaces of the inner bearings, and the outer side surfaces of the two ends of the floating raft rods are welded with the side surfaces of the outer bearings; the outer seat bearing is connected with the bridge seat by an outer vibration isolation connecting mechanism;

the floating raft rod is of a long strip-shaped structure with a rectangular cross section; the inner bearings are cylindrical bodies with rectangular cross sections, inner bearing holes in the inner bearings are frustum pyramid-shaped, and the two inner bearings are symmetrically arranged in the left-right direction; the outer bearing is a cylindrical body with a rectangular cross section, outer bearing holes in the outer bearing are also in a frustum pyramid shape, the two outer bearings are arranged in a bilateral symmetry mode, and the small ends of the two outer bearing holes are close in orientation.

Further, preferably, the bridge seat comprises a bridge seat frame, four bridge seat arms and four bridge seat bearings; the outer seat bearings and the bridge seat bearings are connected by adopting an outer vibration isolation connecting mechanism, the outer seat bearings and the bridge seat bearings are arranged in parallel and at intervals, one end of each bridge seat arm is fixedly connected to two side faces of the bridge seat frame near two ends, and the lower side face of each bridge seat bearing is fixedly connected with the upper side face of the other end of each bridge seat arm; the four bridge seat arms and the four bridge seat bearings are symmetrically arranged up, down, left and right; the bridge pedestal is fixedly arranged on a mounting bracket on the ship body structure and/or the ship equipment unit;

the bridge seat frame is a long strip-shaped structure with a rectangular cross section, and mounting holes matched and connected with mounting brackets on the hull structure are respectively formed at the two ends of the bridge seat frame; the bridge base arm is of a long strip-shaped structure with a rectangular cross section; the bridge seat bearing is a cylindrical body with a rectangular cross section, the bridge seat bearing holes in the bridge seat bearing are in a frustum pyramid shape, and the large ends of the four bridge seat bearing holes are close to each other in direction.

Further, preferably, the internal vibration isolation connecting mechanism comprises four internal connecting rings and four internal adjusting pins, the internal connecting rings are of a prismatic drum-shaped structure with a square cross section and a large middle part and two small ends in the longitudinal section, the internal connecting rings are provided with internal drum holes with a large middle part and two small ends in the cross section and a square drum-shaped structure in the middle part along the axial direction of the internal connecting rings, and each internal adjusting pin is embedded into the internal drum hole of the corresponding internal connecting ring and integrally vulcanized; the inner adjusting pin is a drum-shaped structure with a square cross section, a large middle part and two small ends, and an inner pin adjusting hole is formed along the axis direction.

Further, preferably, the outer vibration isolation connecting mechanism comprises four outer connecting rings and four outer adjusting pins, the outer connecting rings are of prismatic table drum-shaped structures with square cross sections and large middles and small ends in longitudinal sections, the outer connecting rings are provided with outer drum holes with large middles and small ends and square drum-shaped cross sections in the axial direction of the outer connecting rings, and each outer adjusting pin is embedded into the outer drum hole of the corresponding outer connecting ring and integrally vulcanized; the outer adjusting pin is a drum-shaped structure with a rectangular cross section, a large middle part and two small ends, and an outer pin adjusting hole is formed along the axis direction of the outer adjusting pin; the central axis of the bearing hole of the bridge clamping seat is coaxial with the central axis of the bearing hole of the inner seat; the central axis of the outer bearing hole is coaxial with the central axis of the bridge bearing hole.

Further, preferably, the inner connecting ring comprises an inner conical ring and an inner conical ring which are integrally connected and positioned at two ends, wherein a plurality of inner frequency modulation holes are formed in the inner connecting ring along the circumferential direction of the inner connecting ring; an annular inner connecting ring blocking groove is arranged between the inner conical ring and between the inner conical ring and the outer conical ring; the inner cone ring is embedded into the inner seat bearing hole, and the inner cone ring and the outer cone ring are embedded into the bridge seat bearing hole and are integrally vulcanized.

Further, preferably, the outer connecting ring comprises an outer inner conical ring and an outer conical ring which are integrally connected and positioned at two ends; the outer connecting ring is provided with a plurality of outer frequency modulation holes along the circumferential direction; an annular outer connecting ring blocking groove is formed between the outer inner conical ring and the outer conical ring; the outer inner cone ring is embedded into the outer seat bearing hole, the outer cone ring is embedded into the bridge seat bearing hole, and the outer cone ring and the bridge seat bearing hole are integrally vulcanized.

Further, preferably, the upper card is made of carbon steel, copper alloy or aluminum alloy; the bridge clamping frame, the bridge clamping arms, the bridge clamping seat bearings, the floating raft rods, the inner seat bearings, the outer seat bearings, the bridge seat frame, the bridge seat arms and the bridge seat bearings are made of carbon steel or copper alloy or vibration reduction alloy; the inner adjusting pin and the outer adjusting pin are made of carbon steel, copper alloy, damping alloy, nodular cast iron or graphite; the inner connecting ring and the outer connecting ring are made of damping rubber; the fastening bolt is made of carbon steel or vibration reduction alloy.

The utility model provides a pair of marine horizontal double bridge buoyant raft vibration isolation pipe clamp mainly is applied to centre gripping department pipeline central line and horizontal plane contained angle less than or equal to 45 pipeline centre gripping, can alleviate the pipeline vibration to ship structure's influence, also can alleviate ship structure vibration to the influence of pipeline vibration. The utility model discloses can alleviate vibration noise more than 7 ~ 11 decibels.

The utility model is not only used for ships, but also for land and vehicle; all obtain good social and economic benefits.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a top view of FIG. 1;

fig. 4 is a schematic structural view of a buckle according to an embodiment of the present invention;

FIG. 5 is a top view of FIG. 4;

FIG. 6 is a schematic structural view of a card pad of the embodiment of the present invention;

FIG. 7 is a cross-sectional view taken at A-A in FIG. 6;

FIG. 8 is a schematic structural view of a side clamping pad according to an embodiment of the present invention;

FIG. 9 is a cross-sectional view taken at B-B of FIG. 8;

FIG. 10 is a schematic view of a lower clamp pad according to an embodiment of the present invention;

FIG. 11 is a cross-sectional view taken at C-C of FIG. 10;

fig. 12 is a schematic structural diagram of a bridge card according to an embodiment of the present invention;

FIG. 13 is a cross-sectional view taken at D-D of FIG. 12;

fig. 14 is a schematic structural view of a raft according to an embodiment of the present invention;

FIG. 15 is a bottom view of FIG. 14;

FIG. 16 is a schematic structural view of a bridge pedestal according to an embodiment of the present invention;

FIG. 17 is a cross-sectional view taken at E-E of FIG. 16;

FIG. 18 is a schematic view of an inner adjustment pin according to an embodiment of the present invention;

FIG. 19 is a cross-sectional view at F-F of FIG. 18;

fig. 20 is a schematic structural view of an adjusting pin according to an embodiment of the present invention;

FIG. 21 is a cross-sectional view taken at G-G of FIG. 20;

fig. 22 is a schematic structural view of a connection ring according to an embodiment of the present invention;

FIG. 23 is a sectional view taken at H-H in FIG. 22;

fig. 24 is a schematic structural view of an outer connection ring according to an embodiment of the present invention;

fig. 25 is a cross-sectional view taken at J-J in fig. 24.

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.

Referring to fig. 1 to 25, the present invention provides a technical solution: the utility model discloses a marine horizontal double-bridge buoyant raft vibration isolation pipe clamp, which is arranged on a hull structure and/or an installation bracket 91 of a ship equipment unit by a fastener through an installation hole 431; the marine horizontal type double-bridge floating raft vibration isolation pipe clamp comprises an upper clamp 1, a bridge clamp 2, two floating rafts 3, a bridge base 4, four inner vibration isolation connecting mechanisms 70, four outer vibration isolation connecting mechanisms 80 and two fastening bolts 14.

The upper card 1 comprises a buckle 11, two side card pads 12 and an upper card pad 13; the bridge card 2 comprises a bridge card frame 21, four bridge card arms 22, four bridge card seat bearings 23 and a lower card pad 24; the floating raft 3 comprises a floating raft rod 33, four inner bearings 31 and four outer bearings 32; the bridge seat 4 comprises a bridge seat frame 43, four bridge seat arms 42 and four bridge seat bearings 41; each of said inner vibration isolating linkages 70 comprises an inner adjustment pin 5, an inner attachment ring 7; each of said outer vibration isolating connections 80 comprises an outer adjustment pin 6, an outer connection ring 8.

As shown in fig. 4 and 5, the buckle 11 is shaped like a horseshoe, and has a rectangular cross section, a long dovetail-shaped bayonet top hole 111 is formed in the top of the buckle, a long dovetail-shaped bayonet side hole 112 is formed in the middle of each of two sides of the buckle, and a fastening bolt hole 113 is formed in each of two sides of the bottom of the buckle.

As shown in fig. 6 and 7, the upper chuck 13 is a rectangular structure with a sector-shaped cross section, and has an upper chuck shoulder 131 with a long dovetail shape at the upper part.

As shown in fig. 8 and 9, the side pad 12 has a rectangular cross section in the shape of a sector, and has an elongated dovetail-shaped side pad shoulder 121 on the outer side.

As shown in fig. 1, 4-9, the upper pad shoulder 131 is embedded in the bayonet top hole 111, and the side pad shoulder 121 is embedded in the bayonet side hole 112; the buckle 11, the two side clamping pads 12 and the upper clamping pad 13 are vulcanized into a whole to form the upper clamp 1.

As shown in fig. 10 and 11, the lower chuck 24 has a rectangular cross section in the shape of a sector, and has a lower dovetail-shaped lower chuck shoulder 241.

As shown in fig. 12 and 13, the bridge clip frame 21 is a long strip-shaped structure with a rectangular cross section, and a long dovetail-shaped bridge clip frame groove 212 is formed in the middle position of the upper part of the bridge clip frame, and a fastening threaded hole 211 is respectively formed near each of the two ends of the bridge clip frame; the bridge clamping arm 22 is a long strip-shaped structure with a rectangular cross section; the bridge holder support 23 is a square column with a frustum-shaped bridge holder support hole 231 along its axis.

As shown in fig. 1 to 3 and 10 to 13, the lower clip pad shoulder 241 is embedded in the bridge clip frame groove 212 and integrally vulcanized with the bridge clip frame 21; one end of each bridge clamp arm 22 is welded to two side faces of the bridge clamp frame 21 near the two ends, and the four bridge clamp arms 22 are symmetrically arranged up and down, left and right; the upper side surfaces of the four bridge cassette bearings 23 are respectively welded and connected with the lower side surfaces of the other ends of the four bridge cassette arms 22, the four bridge cassette bearings 23 are symmetrically arranged from top to bottom, left to right, and the large ends of the four bridge cassette bearing holes 231 face to be close; thereby composing the bridge card 2;

as shown in fig. 14 and 15, the raft poles 33 are long bar-shaped structures with rectangular cross sections; the inner bearing 31 is a square column, and a frustum-shaped inner bearing hole 311 is formed along the axial line of the inner bearing; the outer bearing 32 is a square column, and has a frustum-shaped outer bearing hole 321 along its axis.

As shown in fig. 1 to 3, 14 and 15, the inner side surfaces of the two ends of the buoyant raft rods 33 are welded to the side surfaces of the inner bearings 31, the two inner bearings 31 are arranged in bilateral symmetry, and the small ends of the two inner bearing holes 311 face in a similar direction; the other side surfaces of the two ends of the floating raft rod 33 are welded with the side surfaces of the outer bearings 32, the two outer bearings 32 are arranged in bilateral symmetry, and the small ends of the two outer bearing holes 321 face to be close; thereby constituting the buoyant raft 3.

As shown in fig. 16 and 17, the bridge seat frame 43 is an elongated structure with a rectangular cross section, and has a mounting hole 431 near each of two ends; the bridge base arm 42 is a strip-shaped structure with a rectangular cross section; the bridge seat 41 is a square column with a frustum-shaped bridge seat hole 411 along its axis.

As shown in fig. 1 to 3, 16 and 17, one end of each bridge seat arm 42 is welded to two side surfaces of each bridge seat frame 43 near two ends, and the four bridge seat arms 42 are arranged symmetrically up and down, left and right; the lower sides of the four bridge seat bearings 41 are respectively welded with the upper sides of the other ends of the four bridge seat arms 42, the four bridge seat bearings 41 are symmetrically arranged from top to bottom, left to right, and the large ends of the four bridge seat bearing holes 411 face in a similar direction; thereby constituting said bridge abutment 4.

As shown in fig. 18 and 19, the inner adjusting pin 5 has a rectangular cross section, a drum-shaped longitudinal section with a large middle and small ends, and an inner pin adjusting hole 51 with an angular arc transition is formed along the axial direction.

As shown in fig. 20 and 21, the outer adjustment pin 6 has a rectangular cross section, a drum-shaped longitudinal section with a large middle and two small ends, and an outer pin adjustment hole 61 with an angular arc transition along the axial direction.

As shown in fig. 22 and 23, the inner connecting ring 7 has a rectangular cross section, and a vertical cross section of the inner connecting ring is a frustum-shaped structure with a large middle and two small ends, and the two ends are respectively an inner conical ring 71 and an inner conical ring 72; the inner conical ring 71 and the inner conical ring 72 are in edge angle circular arc transition; the inner connecting ring 7 is provided with an inner drum hole 73 which is large in the middle, two ends, small in cross section and rectangular in drum-shaped structure along the axis direction, and the edge angle of the inner drum hole is in arc transition; the inner connecting ring 7 is provided with a plurality of inner frequency modulation holes 75 along the circumferential direction; an annular inner connecting ring blocking groove 74 is formed between the inner conical ring 71 and the inner conical ring 72.

As shown in fig. 24 and 25, the outer connecting ring 8 has a rectangular cross section, and a vertical cross section of the rectangular cross section is a frustum-shaped structure with a large middle part and two small ends, and two ends of the frustum-shaped structure are respectively an outer inner conical ring 81 and an outer conical ring 82; the edges and the corners of the outer inner conical ring 81 and the outer conical ring 82 are in arc transition; the outer connecting ring 8 is provided with an outer drum hole 83 which is large in the middle, small in the cross section and rectangular in drum-shaped structure along the axis direction, and the edge angle of the outer drum hole is in arc transition; the outer connecting ring 8 is provided with a plurality of outer frequency modulation holes 85 along the circumferential direction; an annular outer connecting ring blocking groove 84 is formed between the outer inner conical ring 81 and the outer conical ring 82.

As shown in fig. 1 to 3 and 18 to 25, the inner adjustment pin 5 is fitted into the inner boss hole 73 to form the inner vibration damping coupling mechanism 70; the outer adjustment pin 6 is embedded in the outer drum hole 83 to form the outer vibration isolation connection mechanism 80;

as shown in fig. 1 to 3 and 12 to 25, the inner cone ring 71 is inserted into the inner bearing hole 311; the inner and outer conical rings 72 are embedded in the bridge clamping seat bearing holes 231; the inner vibration isolation connecting mechanism 70 is embedded and sleeved with the bridge clamp seat bearing 23 and the inner seat bearing 31 and integrally vulcanized to connect the bridge clamp 2 and the floating raft 3; the outer inner conical ring 81 is embedded into the outer bearing hole 321; the outer conical ring 82 is embedded into the bridge seat bearing hole 411; the outer vibration isolation connecting mechanism 80 is nested and integrally vulcanized with the bridge seat bearing 41 and the outer seat bearing 32 to connect the bridge seat 4 and the raft 3; in the vulcanization process, the bridge clip 2, the inner vibration isolation connecting mechanism 70, the buoyant raft 3, the outer vibration isolation connecting mechanism 80 and the bridge base 4 are connected into a whole.

As shown in fig. 1 to 3, the fastening bolt 14 passes through the fastening bolt hole 113 to be screwed into the fastening screw hole 211, so as to fix and clamp the pipeline 90 between the upper clamp 1 and the bridge clamp 2.

The upper card 1 is made of carbon steel or copper alloy or aluminum alloy; the bridge clip frame 21, the bridge clip arm 22, the bridge clip seat bearing 23, the buoyant raft rod 33, the inner seat bearing 31, and the outer seat bearing 32; the bridge seat frame 43, the bridge seat arm 42 and the bridge seat bearing 41 are made of carbon steel or copper alloy or vibration reduction alloy; the inner adjusting pin 5 and the outer adjusting pin 6 are made of carbon steel or copper alloy or damping alloy or nodular cast iron or graphite; the inner connecting ring 7 and the outer connecting ring 8 are made of damping rubber; the fastening bolt 14 is made of carbon steel or vibration-damping alloy.

The utility model discloses can also omit interior adjusting pin 5 or outer adjusting pin 6 or interior frequency modulation hole 75 or outer frequency modulation hole 85 or interior drum hole 73 or outer drum hole 83.

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 (10)

1. A marine horizontal double-bridge floating raft vibration isolation pipe clamp comprises an upper clamp (1), a bridge clamp (2), two floating rafts (3), a bridge base (4), four inner vibration isolation connecting mechanisms (70) and four outer vibration isolation connecting mechanisms (80), it is characterized in that the upper clamp (1) is used for positioning, clamping and fixing a pipeline (90) to be clamped and positioned on the bridge clamp (2), the bridge clamp (2) is positioned at the radial two sides of the axial line of the upper clamp (1) and is respectively connected with the inner vibration isolation connecting mechanism (70) in a front-back manner, the inner vibration isolation connecting mechanism (70) is connected with the outer vibration isolation connecting mechanism (80) through the floating raft (3), the outer vibration isolation connecting mechanism (80) is connected to the bridge base (4), and the bridge base (4) is fixedly installed on a mounting bracket (91) on a ship body structure and/or a ship equipment unit; the axes of the floating raft (3) and the axes of the pipelines (90) are arranged in parallel in space.

2. The marine horizontal type double-bridge buoyant raft vibration isolation pipe clamp according to claim 1, wherein: go up card (1) including a buckle (11), two side clamp pads (12) and one go up clamp pad (13), wherein, buckle (11) are that the appearance is the structure of shape of a hoof and cross section for the rectangle, and its top is equipped with bayonet socket apical pore (111) of rectangular dovetail shape, and both sides middle part respectively is equipped with bayonet socket side opening (112) of a rectangular dovetail shape, and the bottom both sides respectively are equipped with one tight set bolt hole (113), side clamp pad (12) fixed position is connected on bayonet socket side opening (112), go up clamp pad (13) fixed position and connect on bayonet socket apical pore (111), treat that pipe way (90) of pressing from both sides tight location press from both sides tightly be located on lower clamp pad (24) on two side clamp pads (12), last clamp pad (13) and bridge card (2), the both ends department of bridge card (2) respectively is equipped with one tight set screw hole (211), tight set bolt (14) pass tight set bolt hole (113) threaded connection is in tight set screw hole (211), so as to realize the detachable connection of the bridge clamping frame (21) and the buckle (11); the upper clamping pad (13) is of a fan-shaped structure with a rectangular cross section, and a long-strip dovetail-shaped upper clamping pad convex shoulder (131) which is matched with the bayonet top hole (111) in an embedded mode is arranged at the upper part of the upper clamping pad; the side clamp pad (12) is of a fan-shaped structure with a rectangular cross section, and the outer side part of the side clamp pad is provided with a long dovetail-shaped side clamp pad convex shoulder (121) which is matched with the bayonet side hole (112) in an embedded manner; the upper clamping pad (13), the side clamping pad (12) and the buckle (11) are vulcanized into an integral structure.

3. The marine horizontal type double-bridge buoyant raft vibration isolation pipe clamp according to claim 2, wherein: the bridge clamp (2) comprises a bridge clamp frame (21), four bridge clamp arms (22), four bridge clamp seat bearings (23) and a lower clamp pad (24), wherein the two sides of the bridge clamp frame (21) are fixedly connected with the four bridge clamp arms (22) which are separated and symmetrically arranged up and down, left and right, and the lower side surface of the other end of each bridge clamp arm (22) is fixedly connected with the upper side surface of the bridge clamp seat bearing (23); an inner vibration isolation connecting mechanism (70) is arranged in each bridge clamping seat bearing (23), and the inner vibration isolation connecting mechanism (70) is connected with the floating raft (3);

the bridge clamp frame (21) is of a rectangular strip-shaped structure with a rectangular cross section, a strip-shaped dovetail-shaped bridge clamp frame groove (212) is formed in the middle of the upper plane of the bridge clamp frame, the lower clamp pad (24) is of a fan-shaped structure with a rectangular cross section, a strip-shaped dovetail-shaped lower clamp pad convex shoulder (241) is arranged on the lower plane of the lower clamp pad, and the lower clamp pad convex shoulder (241) is embedded into the bridge clamp frame groove (212) in a matched mode and is vulcanized with the bridge clamp frame (21) into an integral structure;

the bridge clamping arm (22) is of a long strip-shaped structure with a rectangular cross section; the bridge cassette bearing (23) is a columnar body with a rectangular cross section, and a bridge cassette bearing hole (231) on the column body is in a frustum pyramid shape; the four bridge clamping seat bearings (23) are symmetrically arranged up and down, left and right, and the large ends of the four bridge clamping seat bearing holes (231) face to be close.

4. The marine horizontal type double-bridge buoyant raft vibration isolation pipe clamp according to claim 3, wherein: each floating raft (3) comprises a floating raft rod (33), two inner bearings (31) and two outer bearings (32); each bridge clamping seat bearing (23) is connected with an inner seat bearing (31) by adopting an inner vibration isolation connecting mechanism (70); the inner seat bearing (31) and the bridge clamping seat bearing (23) are arranged in parallel and are relatively separated; the inner side surfaces of two ends of the floating raft rod (33) are fixedly connected with the side surfaces of the inner seat bearings (31), and the outer side surfaces of two ends of the floating raft rod (33) are fixedly connected with the side surfaces of the outer seat bearings (32); the outer seat bearing (32) is connected with the bridge seat (4) through the outer vibration isolation connecting mechanism (80);

the floating raft rod (33) is of a long strip-shaped structure with a rectangular cross section; the inner bearings (31) are columnar bodies with rectangular cross sections, inner bearing holes (311) in the inner bearings are frustum-shaped, the two inner bearings (31) are symmetrically arranged left and right, and the small ends of the two inner bearing holes (311) face to be close to each other; the outer bearing (32) is a cylindrical body with a rectangular cross section, the outer bearing holes (321) are also in a frustum shape, the two outer bearings (32) are arranged in a bilateral symmetry mode, and the small ends of the two outer bearing holes (321) face to be close.

5. The marine horizontal type double-bridge buoyant raft vibration isolation pipe clamp according to claim 4, wherein: the bridge seat (4) comprises a bridge seat frame (43), four bridge seat arms (42) and four bridge seat bearings (41); the outer seat bearing (32) is connected with the bridge seat bearing (41) through the outer vibration isolation connecting mechanism (80), the outer seat bearing (32) and the bridge seat bearing (41) are arranged in parallel and relatively isolated, one end of each bridge seat arm (42) is fixedly connected to one side face of the end of the bridge seat frame (43), and the upper side face of the other end of each bridge seat arm is fixedly connected with the lower side face of the bridge seat bearing (41); the four bridge seat arms (42) and the four bridge seat bearings (41) are symmetrically arranged up and down, left and right;

the bridge seat frame (43) is a long strip-shaped structure with a rectangular cross section, and two mounting holes (431) which are matched and connected with the mounting bracket (91) are respectively formed at the two ends of the bridge seat frame; the bridge base arm (42) is of a long strip-shaped structure with a rectangular cross section; the bridge seat bearing (41) is a column body with a rectangular cross section, the bridge seat bearing holes (411) in the bridge seat bearing (41) are in a frustum shape, and the large ends of the four bridge seat bearing holes (411) are close to each other in direction.

6. The marine horizontal type double-bridge buoyant raft vibration isolation pipe clamp according to claim 5, wherein: the inner vibration isolation connecting mechanism (70) comprises four inner connecting rings (7) and four inner adjusting pins (5), the inner connecting rings (7) are of a prismatic table drum-shaped structure with square cross sections and large middle parts and small two ends, the inner connecting rings (7) are provided with inner drum holes (73) of a drum-shaped structure with large middle parts and small two ends and square cross sections along the axial direction of the inner connecting rings, and each inner adjusting pin (5) is embedded into the inner drum hole (73) of the corresponding inner connecting ring (7) and integrally vulcanized; the inner adjusting pin (5) is a drum-shaped structure with a square cross section, a large middle part and two small ends in the longitudinal section, and an inner pin adjusting hole (51) is formed along the axial direction of the inner adjusting pin.

7. The marine horizontal type double-bridge buoyant raft vibration isolation pipe clamp according to claim 6, wherein: the outer vibration isolation connecting mechanism (80) at least comprises four outer connecting rings (8) and four outer adjusting pins (6), the outer connecting rings (8) are of prismatic table drum-shaped structures with square cross sections and large middles and small ends in the longitudinal sections, the outer connecting rings (8) are provided with outer drum holes (83) of the prismatic table drum-shaped structures with large middles and small ends and square cross sections in the middle along the axial direction of the outer connecting rings, and each outer adjusting pin (6) is embedded into the outer drum hole (83) of the corresponding outer connecting ring (8) and integrally vulcanized; the outer adjusting pin (6) is a drum-shaped structure with a square cross section, a large middle part and two small ends in a longitudinal section, and an outer pin adjusting hole (61) is formed along the axial direction of the outer adjusting pin; the central axis of the bridge clamping seat bearing hole (231) is coaxial with the central axis of the inner bearing hole (311); the central axis of the outer bearing hole (321) is coaxial with the central axis of the bridge bearing hole (411).

8. The marine horizontal type double-bridge buoyant raft vibration isolation pipe clamp according to claim 6, wherein: the inner connecting ring (7) comprises an inner conical ring (71) and an inner conical ring (72) which are integrally connected and positioned at two ends, wherein a plurality of inner frequency modulation holes (75) are formed in the inner connecting ring (7) along the circumferential direction of the inner connecting ring; an annular inner connecting ring blocking groove (74) is arranged between the inner conical ring (71) and the inner conical ring and the outer conical ring (72); the inner conical ring (71) is embedded into the inner seat bearing hole (311), and the inner conical ring and the outer conical ring (72) are embedded into the bridge seat bearing hole (231) and integrally vulcanized.

9. The marine horizontal type double-bridge buoyant raft vibration isolation pipe clamp according to claim 7, wherein: the outer connecting ring (8) comprises an outer inner conical ring (81) and an outer conical ring (82) which are integrally connected and positioned at two ends; the outer connecting ring (8) is provided with a plurality of outer frequency modulation holes (85) along the circumferential direction; an annular outer connecting ring blocking groove (84) is arranged between the outer inner conical ring (81) and the outer conical ring (82); the outer inner conical ring (81) is embedded into the outer seat bearing hole (321), and the outer conical ring (82) is embedded into the bridge seat bearing hole (411) and integrally vulcanized.

10. The marine horizontal type double-bridge buoyant raft vibration isolation pipe clamp according to claim 7 or 9, wherein: the upper card (1) is made of carbon steel or copper alloy or aluminum alloy; the bridge clamping frame (21), the bridge clamping arm (22), the bridge clamping seat bearing (23), the floating raft rod (33), the inner seat bearing (31), the outer seat bearing (32), the bridge seat frame (43), the bridge seat arm (42) and the bridge seat bearing (41) are made of carbon steel or copper alloy or vibration reduction alloy; the inner adjusting pin (5) and the outer adjusting pin (6) are made of carbon steel or copper alloy or vibration reduction alloy or nodular cast iron or graphite; the inner connecting ring (7) and the outer connecting ring (8) are made of damping rubber; the fastening bolt (14) is made of carbon steel or vibration-damping alloy.

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