CN111750204B - Marine horizontal double-bridge floating raft vibration isolation pipe clamp - Google Patents
Marine horizontal double-bridge floating raft vibration isolation pipe clamp Download PDFInfo
- Publication number
- CN111750204B CN111750204B CN202010709872.0A CN202010709872A CN111750204B CN 111750204 B CN111750204 B CN 111750204B CN 202010709872 A CN202010709872 A CN 202010709872A CN 111750204 B CN111750204 B CN 111750204B
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- bridge
- seat
- clamp
- vibration isolation
- clamping
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- 238000002955 isolation Methods 0.000 title claims abstract description 57
- 230000007246 mechanism Effects 0.000 claims description 39
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 12
- 239000010962 carbon steel Substances 0.000 claims description 12
- 230000009467 reduction Effects 0.000 claims description 11
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 9
- 229910045601 alloy Inorganic materials 0.000 claims description 9
- 239000000956 alloy Substances 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 230000007704 transition Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
- F16L55/035—Noise absorbers in the form of specially adapted hangers or supports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a marine horizontal double-bridge floating raft vibration isolation pipe clamp which is used for fixedly mounting a ship pipeline and/or a ship equipment unit pipeline on a mounting bracket on a ship structure and/or a ship equipment unit. The invention can reduce the vibration noise by more than 7-11 dB, and can be applied to land and vehicles besides being used for ship systems and ship equipment units; good social and economic benefits are obtained.
Description
Technical Field
The invention relates to a marine horizontal double-bridge floating raft vibration isolation pipe clamp, in particular to a marine double-bridge double-seat vibration isolation pipe clamp with a noise elimination and vibration reduction function, which is suitable for noise elimination and vibration reduction of a ship pipeline, a ship air compressor, a ship hydraulic oil pump, a ship water pump and other prime motor equipment unit pipelines, and belongs to the technical field of ship vibration reduction.
Background
The marine pipeline performs mission tasks for the ship, and provides and conveys various pressure liquids and gases such as fresh water, hot water, fresh air and compressed air continuously for normal life and work of personnel; such as supplying fuel oil and lubricating oil to a main machine and an auxiliary machine; providing hydraulic oil for a control system of the main machine and the auxiliary machine; providing hydraulic oil for the pitch-adjusting 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 host startup, siren, pneumatic machinery, and the like. However, various complicated pipeline systems are caused due to various cabin equipment for ships, and various ship equipment unit pipelines and ship pipelines inevitably perform proper and necessary clamping. At present, the method for clamping pipelines in the shipbuilding world at home and abroad mainly comprises the steps of clamping a rigid pipe clamp, clamping the rigid pipe clamp by using a pipe clamp with a spring at a specific position, wherein the rigid pipe clamp can hardly isolate vibration, and the spring pipe clamp is only suitable for clamping at a specific position, so that the effect is not ideal. Due to the effects of wind and wave currents on the ship body, the motions of various machines in the ship body, the motions of fluid in the pipeline, the vibration of the pipeline and the like, complex vibration and noise of the pipeline 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 machine and the like are particularly complex, so that pipe damage or equipment damage accidents are caused, and even serious disasters are caused; for pipelines for conveying power fluid, larger vibration and noise can be caused, the environments of workplaces and mechanical places are bad, adverse effects and damages to liquid conveyors can be caused, adverse effects and damages to other equipment can be caused, meanwhile, physical and psychological damages to crews can be caused, when serious, the ships can not normally complete mission tasks, the stealth of military ships is particularly bad, and the combat capability of combat ships is severely restricted. In view of the above, there is an urgent need to design a novel vibration-damping pipe clamping device for a ship to reduce vibration intensity and vibration noise of various pipes.
Disclosure of Invention
The invention aims to provide a transverse double-bridge floating raft vibration isolation pipe clamp for a ship pipeline and a ship equipment unit pipeline, which can reduce the vibration intensity by more than 7-11 decibels.
The aim of the invention is realized by the following technical scheme:
The marine horizontal double-bridge floating raft vibration isolation pipe clamp comprises an upper clamp, a bridge clamp, two floating 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 upper clamp axis and is respectively connected with the inner vibration isolation connecting mechanisms in front and back, the inner vibration isolation connecting mechanisms are connected with the outer vibration isolation connecting mechanisms through the floating rafts, the outer vibration isolation connecting mechanisms are connected to the bridge seat, and the bridge seat is fixedly arranged on a mounting bracket on a hull structure and/or a marine equipment unit; the axis of the buoyant raft and the axis of the pipeline are arranged in parallel in space.
Further, as an optimization, the upper clamp comprises a clamp, two side clamp pads and an upper clamp pad, wherein the clamp is of a structure with a horseshoe shape and a rectangular cross section, the top of the clamp is provided with a long-strip dovetail-shaped clamp top hole, the middle parts of two sides of the clamp are respectively provided with a long-strip dovetail-shaped clamp side hole, two sides of the bottom of the clamp are respectively provided with a fastening bolt hole, the side clamp pads are positioned and connected on the clamp side holes, a pipeline to be clamped and positioned is clamped and positioned on the two side clamp pads, the upper clamp pad and the lower clamp pad on the bridge clamp, and two ends of the bridge clamp are respectively provided with a fastening threaded hole through which a fastening bolt passes to be in the fastening threaded holes so as to realize the detachable connection of the bridge clamp and the clamp; the upper clamping pad is of a structure with a fan-shaped appearance and a rectangular cross section, and an upper clamping pad shoulder which is in embedded fit with the bayonet top hole and is in a strip dovetail shape 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 strip-shaped dovetail-shaped side clamping pad shoulder which is embedded and matched with the bayonet side hole 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 integrated structure.
Further, as an preference, the bridge card comprises a bridge card frame, four bridge card arms, four bridge card seat bases and a lower card pad, wherein the two side surfaces of the two ends of the bridge card frame are fixedly connected with four bridge card arms which are arranged in an up-down and left-right symmetrical way, the lower side surface of the other end of each bridge card arm is fixedly connected with the upper side surface of the bridge card seat base, and each bridge card seat base is connected with the floating raft by adopting an inner vibration isolation connecting mechanism;
The bridge clamping frame is of a rectangular strip-shaped structure with a rectangular cross section, a rectangular dovetail-shaped bridge clamping frame groove is formed in the middle 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 rectangular dovetail-shaped lower clamping pad shoulder is arranged on the lower portion of the bridge clamping frame, and the lower clamping pad shoulder is embedded and matched in the bridge clamping frame groove and is vulcanized with the bridge clamping frame into an integrated structure;
the bridge clamping arm is of a strip-shaped structure with a rectangular cross section; the bridge clamping seat is a columnar body with a rectangular section, and a bridge clamping seat hole on the columnar body is prismatic; the four bridge clamping seat bearings are symmetrically arranged up and down and left and right, and the big ends of the four bridge clamping seat bearing holes face similar.
Further preferably, the buoyant raft comprises one buoyant raft stem, two inner bearings, two outer bearings; each bridge clamping seat is connected with an inner seat by adopting an inner vibration isolation connecting mechanism, and the inner seats and the bridge clamping seats are arranged in parallel and at opposite intervals; the inner side surfaces of the two ends of the floating raft rod are fixedly connected with the side surfaces of the inner bearing, and the outer side surfaces of the two ends of the floating raft rod are welded with the side surfaces of the outer bearing; the outer bearing and the bridge seat are connected by adopting an outer vibration isolation connecting mechanism;
The floating raft is of a strip-shaped structure with a rectangular cross section; the inner bearing is a columnar body with a rectangular section, the inner bearing holes on the columnar body are prismatic, and the two inner bearings are symmetrically arranged left and right; the outer bearing is a columnar body with a rectangular section, the outer bearing holes on the columnar body are also prismatic, the two outer bearings are symmetrically arranged left and right, and the small ends of the two outer bearing holes face towards each other similarly.
Further preferably, the bridge seat comprises a bridge seat frame, four bridge seat arms and four bridge seat bearings; the outer bearing and the bridge bearing are connected by adopting an outer vibration isolation connecting mechanism, the outer bearing and the bridge bearing are arranged in parallel and at opposite intervals, one end of each bridge bearing arm is fixedly connected to two side surfaces near two ends of the bridge bearing frame, and the lower side surface of each bridge bearing is fixedly connected with the upper side surfaces of the other ends of the four bridge bearing arms respectively; the four bridge abutment arms and the four bridge abutment bearings are arranged symmetrically up and down and left and right; the bridge pedestal is fixedly arranged on a mounting bracket on the hull structure and/or the ship equipment unit;
The bridge seat frame is of a strip-shaped structure with a rectangular cross section, and mounting holes which are matched and connected with mounting brackets on the ship body structure are respectively formed at two positions close to the bridge seat frame; the bridge abutment arm is of a strip-shaped structure with a rectangular cross section; the bridge seat is characterized in that the bridge seat is a columnar body with a rectangular section, the bridge seat holes on the columnar body are prismatic, and the big ends of the four bridge seat holes face similar.
Further, as a preferable mode, the internal vibration isolation connecting mechanism comprises four internal connecting rings and four internal adjusting pins, wherein the internal connecting rings are of prismatic-table drum-shaped structures with square cross sections and small longitudinal sections at the two ends in the middle, the internal connecting rings are provided with an internal drum hole with square cross sections at the two ends in the middle along the axial direction, and each internal adjusting pin is respectively embedded into the internal drum hole of the corresponding internal connecting ring and is integrally vulcanized; the inner adjusting pin is of a drum-shaped structure with a square cross section and a longitudinal section with two large middle ends and two small middle ends, and an inner pin adjusting hole is formed along the axial direction of the inner adjusting pin.
Further, preferably, the external vibration isolation connecting mechanism comprises four external connecting rings and four external adjusting pins, the external connecting rings are prismatic-table drum-shaped structures with square cross sections and two large middle ends and two small longitudinal sections, the external connecting rings are provided with external drum holes with a square drum-shaped structure with two large middle ends and two small cross sections along the axial direction, and each external adjusting pin is respectively embedded into the external drum holes of the corresponding external connecting rings and is integrally vulcanized; the outer adjusting pin is of a drum-shaped structure with a rectangular cross section and a longitudinal section with two large middle ends and two small middle ends, and an outer pin adjusting hole is formed along the axial direction of the outer adjusting pin; the central axis of the bridge clamping seat bearing hole is coaxial with the central axis of the inner seat bearing hole; the central axis of the outer bearing hole is coaxial with the central axis of the bridge bearing hole.
Further, preferably, the inner connection ring comprises an inner cone ring and an inner cone ring which are integrally connected and arranged at two ends, wherein a plurality of inner frequency modulation holes are arranged on the inner connection ring along the circumferential direction of the inner connection ring; an annular inner connecting ring blocking groove is arranged between the inner conical ring and the inner conical ring; the inner cone ring and the inner cone ring are embedded into the inner bearing hole, and the inner cone ring are embedded into the bridge clamping seat bearing hole and are vulcanized integrally.
Further, preferably, the outer connecting ring comprises an outer inner cone ring and an outer cone ring which are integrally connected and arranged at two ends; the outer connecting ring is provided with a plurality of outer frequency adjusting holes along the circumferential direction of the outer connecting ring; an annular outer connecting ring blocking groove is arranged between the outer conical ring and the inner conical ring; the outer cone ring is embedded into the outer bearing hole, and the outer cone ring is embedded into the axle seat bearing hole and vulcanized integrally.
Further, preferably, the upper clip is made of carbon steel or copper alloy or aluminum alloy; the bridge clamping frame, the bridge clamping arm, the bridge clamping seat, the floating raft rod, the inner seat, the outer seat, the bridge seat frame, the bridge seat arm and the bridge seat 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 or copper alloy or vibration reduction alloy or spheroidal graphite cast iron or graphite; the inner connecting ring and the outer connecting ring are made of vibration damping rubber; the fastening bolt is made of carbon steel or vibration reduction alloy.
The horizontal double-bridge floating raft vibration isolation pipe clamp for the ship is mainly applied to clamping a pipeline with an included angle between the central line of the pipeline and the horizontal plane being less than or equal to 45 degrees, and can reduce the influence of the vibration of the pipeline on a ship structure and the influence of the vibration of the ship structure on the vibration of the pipeline. The invention can reduce the vibration noise by more than 7-11 decibels.
The invention can be applied to land and vehicles as well as ships; good social and economic benefits are obtained.
Drawings
FIG. 1 is a schematic 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 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 diagram of a card pad according to an embodiment of the invention;
FIG. 7 is a cross-sectional view at A-A in FIG. 6;
FIG. 8 is a schematic diagram of a side pad according to an embodiment of the present invention;
FIG. 9 is a cross-sectional view at B-B in FIG. 8;
FIG. 10 is a schematic diagram of a structure of a lower pad according to an embodiment of the present invention;
FIG. 11 is a cross-sectional view at C-C in FIG. 10;
FIG. 12 is a schematic 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 view of the structure of the buoyant raft according to the embodiment of the invention;
fig. 15 is a bottom view of fig. 14;
FIG. 16 is a schematic view of a bridge abutment 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 the structure of an adjustment pin in an embodiment of the present invention;
FIG. 19 is a cross-sectional view taken at F-F in FIG. 18;
FIG. 20 is a schematic view of the structure of an outer adjustment pin according to an embodiment of the present invention;
FIG. 21 is a cross-sectional view at G-G of FIG. 20;
FIG. 22 is a schematic view of an embodiment of an interconnect ring;
FIG. 23 is a cross-sectional view taken at H-H of FIG. 22;
FIG. 24 is a schematic view of the structure of an outer connecting ring according to an embodiment of the present invention;
Fig. 25 is a cross-sectional view at J-J in fig. 24.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 25, the present invention provides a technical solution: the invention relates to a marine horizontal double-bridge floating raft vibration isolation pipe clamp, which is arranged on a ship body structure and/or a mounting bracket 91 of a marine equipment unit through a mounting hole 431 by using a fastener; the 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 seat 4, four inner vibration isolation connecting mechanisms 70, four outer vibration isolation connecting mechanisms 80 and two fastening bolts 14.
Wherein, the upper card 1 comprises a buckle 11, two side clamping pads 12 and an upper clamping pad 13; the bridge card 2 comprises a bridge card frame 21, four bridge card arms 22, four bridge card seats 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 abutment 4 comprises a bridge abutment frame 43, four bridge abutment arms 42 and four bridge abutment bearings 41; each of the inner vibration isolation coupling mechanisms 70 includes an inner adjustment pin 5, an inner coupling ring 7; each of the outer vibration isolation attachment mechanisms 80 includes an outer adjustment pin 6, an outer attachment ring 8.
As shown in fig. 4 and 5, the buckle 11 has a rectangular cross-section and a cross-section, and has a rectangular dovetail-shaped bayonet top hole 111 at the top, a rectangular dovetail-shaped bayonet side hole 112 at the middle of each side, and a fastening bolt hole 113 at each side of the bottom.
As shown in fig. 6 and 7, the upper clamping pad 13 has a rectangular structure with a fan-shaped cross section, and an upper clamping pad shoulder 131 with a long dovetail shape is arranged at the upper part of the upper clamping pad.
As shown in fig. 8 and 9, the side clamping pad 12 has a rectangular structure with a fan-shaped cross section, and has a long dovetail-shaped side clamping pad shoulder 121 on the outer side.
As shown in fig. 1, 4-9, the upper clamping pad shoulder 131 is embedded in the bayonet top hole 111, and the side clamping 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 card 1.
As shown in fig. 10 and 11, the lower clamping pad 24 has a rectangular structure with a fan-shaped cross section, and a lower clamping pad shoulder 241 with a long dovetail shape is arranged at the lower part.
As shown in fig. 12 and 13, the bridge clip 21 is a rectangular strip structure with a rectangular cross section, and has a dovetail-shaped bridge clip groove 212 at the middle of the upper part, and a fastening screw hole 211 near each of the two ends; the bridge clamping arm 22 is a strip-shaped structure with a rectangular cross section; the bridge socket 23 is a square column, and has a prismatic bridge socket hole 231 along the axis.
As shown in fig. 1-3 and 10-13, the lower clamping pad shoulder 241 is embedded in the bridge clamping frame groove 212 and is vulcanized with the bridge clamping frame 21 into a whole; one end of each bridge clamping arm 22 is welded and connected to two side surfaces of the two ends of the bridge clamping frame 21, and the four bridge clamping arms 22 are symmetrically arranged up and down and left and right; the upper side surfaces of the four bridge clamping seat 23 are respectively welded with the lower side surfaces of the other ends of the four bridge clamping arms 22, the four bridge clamping seat 23 are symmetrically arranged up and down and left and right, and the big ends of the four bridge clamping seat holes 231 face similar; thereby constituting the bridge card 2;
As shown in fig. 14 and 15, the buoyant raft 33 is an elongated structure having a rectangular cross section; the inner bearing 31 is a square column body, and a prismatic table-shaped inner bearing hole 311 is formed in the upper extension axis of the inner bearing; the outer bearing 32 is a square column body, and a prismatic table-shaped outer bearing hole 321 is formed in the upper extension axis of the outer bearing.
As shown in fig. 1 to 3, 14 and 15, the inner side surfaces of the two ends of the floating raft 33 are welded to the side surfaces of the inner bearing 31, the two inner bearing 31 are symmetrically arranged left and right, and the small ends of the two inner bearing holes 311 face similar; the other side surfaces of the two ends of the floating raft 33 are welded with the side surfaces of the outer bearing 32, the two outer bearing 32 are symmetrically arranged left and right, and the small ends of the two outer bearing holes 321 face towards each other similarly; thereby constituting the buoyant raft 3.
As shown in fig. 16 and 17, the bridge frame 43 is a rectangular strip structure with a rectangular cross section, and has a mounting hole 431 near each of two ends; the bridge abutment arm 42 is a strip-shaped structure with a rectangular cross section; the bridge seat 41 is a square column, and has a prismatic frustum-shaped bridge seat hole 411 along the axis.
As shown in fig. 1 to 3, 16 and 17, one end of the bridge abutment arm 42 is welded to two side surfaces of the proximal end of the bridge bracket 43, and four bridge abutment arms 42 are symmetrically arranged up and down and left and right; the lower side surfaces of the four bridge seat seats 41 are respectively welded with the upper side surfaces of the other ends of the four bridge seat arms 42, the four bridge seat seats 41 are symmetrically arranged up and down and left and right, and the big ends of the four bridge seat holes 411 are similar in orientation; thereby constituting the bridge abutment 4.
As shown in fig. 18 and 19, the inner adjusting pin 5 has a rectangular cross section, a drum-shaped structure with two large ends and a small middle section, an inner pin adjusting hole 51 along the axial direction, and the angular arc transition.
As shown in fig. 20 and 21, the outer adjusting pin 6 has a rectangular cross section, a drum-shaped structure with two large ends and a small middle section, and an outer pin adjusting hole 61 along the axial direction and the angular arc transition.
As shown in fig. 22 and 23, the inner connecting ring 7 has a rectangular cross section, a prismatic-table drum-shaped structure with two large ends and two small ends, and an inner conical ring 71 and an inner conical ring 72 at two ends; the inner cone ring 71 and the inner cone ring 72 have arc transition of the edges and corners; the inner connecting ring 7 is provided with an inner drum hole 73 with a drum-shaped structure with a large middle end and a small cross section in a rectangular shape along the axial direction, and the edges and corners of the inner drum hole are 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 arranged 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, a prismatic-table drum-shaped structure with two large ends and two small ends, and an outer inner conical ring 81 and an outer conical ring 82 at two ends; the edges and corners of the outer cone ring 81 and the outer cone ring 82 are in arc transition; the outer connecting ring 8 is provided with an outer drum hole 83 with a drum-shaped structure, the middle of which is big at two ends and the small cross section of which is rectangular, along the axial direction, and the edges and corners of the outer drum hole are 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 arranged between the outer and inner conical rings 81 and 82.
As shown in fig. 1 to 3 and 18 to 25, the inner adjusting pin 5 is embedded in the inner drum hole 73 to form the inner vibration isolation connecting mechanism 70; the outer adjusting pin 6 is embedded in the outer drum hole 83 to form the outer vibration isolation connecting mechanism 80;
As shown in fig. 1 to 3 and fig. 12 to 25, the inner cone ring 71 is embedded in the inner bearing hole 311; the inner and outer cone rings 72 are embedded into the bridge socket bearing holes 231; the inner vibration isolation connecting mechanism 70 is nested with the bridge clip seat 23 and the inner seat 31 and is vulcanized integrally, so as to connect the bridge clip 2 and the buoyant raft 3; the outer and inner cone ring 81 is embedded in the outer bearing hole 321; the outer cone ring 82 is embedded in the axle seat bore 411; the outer vibration isolation connecting mechanism 80 is nested with the bridge seat 41 and the outer seat 32 and is vulcanized integrally, so as to connect the bridge seat 4 and the buoyant raft 3; the vulcanization process thus far connects the bridge deck 2, the inner vibration isolation connection mechanism 70, the buoyant raft 3, the outer vibration isolation connection mechanism 80, and the bridge foundation 4 as a unit.
As shown in fig. 1 to 3, the fastening bolt 14 is screwed into the fastening screw hole 211 through the fastening bolt hole 113, so as to position, clamp and fix the pipeline 90 between the upper clamp 1 and the bridge clamp 2.
The upper clamp 1 is made of carbon steel or copper alloy or aluminum alloy; the bridge clamping frame 21, the bridge clamping arms 22, the bridge clamping seat bearing 23, the floating raft 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 vibration reduction alloy or spheroidal graphite cast iron or graphite; the inner connecting ring 7 and the outer connecting ring 8 are made of vibration damping rubber; the fastening bolt 14 is made of carbon steel or vibration damping alloy.
The present invention may also omit the inner adjusting pin 5 or the outer adjusting pin 6 or the inner tuning hole 75 or the outer tuning hole 85 or the inner drum hole 73 or the outer drum hole 83.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a marine horizontal double-bridge floating raft vibration isolation pipe clamp, includes upper clamp (1), bridge card (2), two floating rafts (3), bridge seat (4), four interior vibration isolation coupling mechanism (70) and four outer vibration isolation coupling mechanism (80), its characterized in that, upper clamp (1) is used for with treating the pipeline (90) location clamp of clamp location fixed on bridge card (2), bridge card (2) are being located on the radial both sides of upper clamp (1) axis, are the front and back and connect respectively interior vibration isolation coupling mechanism (70), interior vibration isolation coupling mechanism (70) are through floating raft (3) connect outer vibration isolation coupling mechanism (80), outer vibration isolation coupling mechanism (80) are connected to bridge seat (4), bridge seat (4) fixed mounting is on mounting bracket (91) on hull structure and/or marine equipment unit; the axes of the inner vibration isolation connecting mechanisms (70, 80) and the axes of the pipelines (90) are arranged in parallel in space;
Each floating raft (3) comprises a floating raft rod (33), two inner bearings (31) and two outer bearings (32), wherein the inner sides of the two ends of the floating raft rod (33) are fixedly connected with the side surfaces of the inner bearings (31), and the outer sides of the two ends of the floating raft rod (33) are fixedly connected with the side surfaces of the outer bearings (32);
The inner vibration isolation connecting mechanisms (70, 80) and the outer vibration isolation connecting mechanisms comprise connecting rings (7, 8) and adjusting pins (5, 6), the connecting rings (7, 8) are of prismatic table drum-shaped structures with square cross sections and large middle two ends and small longitudinal sections, the connecting rings (7, 8) are provided with drum holes (73, 83) with square drum-shaped structures with large middle two ends and small cross sections along the axial direction of the connecting rings, and the adjusting pins (5, 6) are embedded into the drum holes (73, 83) of the connecting rings (7, 8) and are integrally vulcanized; the adjusting pins (5, 6) are of drum-shaped structures with square cross sections and large middle and small two ends in the longitudinal section, and an adjusting pin hole (51, 61) is formed along the axial direction of the adjusting pins;
The connecting rings (7, 8) comprise inner cone rings (71, 81) and outer cone rings (72, 82) which are integrally connected and arranged at two ends;
The inner conical ring (71) of the inner vibration isolation connecting mechanism (70) is embedded into the inner bearing hole (311) of the inner bearing (31), and the outer conical ring (72) of the inner vibration isolation connecting mechanism is embedded into the bridge clamping seat hole (231) of the bridge clamp (2) and is vulcanized integrally;
the inner cone ring (81) of the outer vibration isolation connecting mechanism (80) is embedded into the outer bearing hole (321) of the outer bearing (32), and the outer cone ring (82) is embedded into the bridge bearing hole (411) of the bridge seat (4) and vulcanized integrally.
2. The marine horizontal double-bridge floating raft vibration isolation pipe clamp according to claim 1, wherein: the upper clamp (1) comprises a clamp buckle (11), two side clamp pads (12) and an upper clamp pad (13), wherein the clamp buckle (11) is of a structure with a horseshoe-shaped appearance and a rectangular cross section, a long-strip-shaped clamp top hole (111) is formed in the top of the clamp buckle, a long-strip-shaped clamp side hole (112) is formed in the middle of each of two sides of the clamp buckle, a fastening bolt hole (113) is formed in each of two sides of the clamp buckle, the side clamp pads (12) are connected to the clamp side holes (112), the upper clamp pad (13) is connected to the clamp top hole (111), a pipeline (90) to be clamped and positioned is clamped and positioned to the lower clamp pad (24) on the two side clamp pads (12), the upper clamp pad (13) and the bridge clamp (2), two fastening threaded holes (211) are formed in two ends of the bridge clamp (2), and fastening bolts (14) penetrate through the fastening bolt holes (113) to be connected in the fastening threaded holes (211) in a threaded mode so that the clamp buckle (21) can be connected to the clamp buckle (11) in a detachable mode; the upper clamping pad (13) is of a structure with a fan-shaped appearance and a rectangular cross section, and an upper clamping pad shoulder (131) which is in embedded fit with the bayonet top hole (111) and is in a strip dovetail shape is arranged at the upper part of the upper clamping pad; the side clamping pad (12) is of a fan-shaped structure with a rectangular cross section, and a side clamping pad shoulder (121) which is in embedded fit with the bayonet side hole (112) and is in a strip dovetail shape is arranged on the outer side of the side clamping pad; the upper clamping pad (13), the side clamping pad (12) and the buckle (11) are vulcanized into an integrated structure.
3. The marine horizontal double-bridge floating raft vibration isolation pipe clamp according to claim 2, wherein: 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), wherein the four bridge card arms (22) which are separated from each other and are symmetrically arranged in the vertical and horizontal directions are fixedly connected to the two sides of the bridge card frame (21), and the lower side surface of the other end of each bridge card arm (22) is fixedly connected with the upper side surface of the bridge card seat bearing (23); an inner vibration isolation connecting mechanism (70) is arranged in each bridge clamping seat (23), and the inner vibration isolation connecting mechanism (70) is connected with the buoyant raft (3);
the bridge clamping frame (21) is of a rectangular strip-shaped structure with a rectangular cross section, a rectangular dovetail-shaped bridge clamping frame groove (212) is formed in the middle of the upper plane of the bridge clamping frame, the lower clamping pad (24) is of a fan-shaped structure with a rectangular cross section, a rectangular dovetail-shaped lower clamping pad shoulder (241) is arranged on the lower plane of the bridge clamping frame, and the lower clamping pad shoulder (241) is embedded and matched in the bridge clamping frame groove (212) and is vulcanized with the bridge clamping frame (21) into an integrated structure;
the bridge clamping arm (22) is of a strip-shaped structure with a rectangular cross section; the bridge clamping seat (23) is a columnar body with a rectangular cross section, and a bridge clamping seat hole (231) on the columnar body is prismatic; the four bridge clamping seat (23) are symmetrically arranged up and down and left and right, and the big ends of every two bridge clamping seat holes (231) which are symmetrically arranged front and back face each other are similar.
4. A marine horizontal double bridge raft vibration isolation tube clamp according to claim 3, wherein: each bridge clamping seat (23) is connected with an inner seat (31) by adopting an inner vibration isolation connecting mechanism (70); the inner seat (31) and the bridge clamping seat (23) are arranged in parallel and relatively isolated; the outer bearing (32) is connected with the bridge seat (4) through the outer vibration isolation connecting mechanism (80);
The floating raft rods (33) are long-strip-shaped structures with rectangular cross sections; the inner bearing (31) is a columnar body with a rectangular cross section, the inner bearing holes (311) on the columnar body are prismatic, the two inner bearings (31) are symmetrically arranged left and right, and the small ends of the two inner bearing holes (311) face towards each other similarly; the outer bearing (32) is a columnar body with a rectangular cross section, the outer bearing holes (321) on the columnar body are prismatic, the two outer bearings (32) are symmetrically arranged left and right, and the small ends of the two outer bearing holes (321) face towards each other similarly.
5. The marine horizontal double-bridge floating 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 seats (41); the outer bearing (32) is connected with the bridge bearing (41) through the outer vibration isolation connecting mechanism (80), the outer bearing (32) and the bridge bearing (41) are arranged in parallel and relatively isolated, one end of each bridge bearing arm (42) is fixedly connected to one side surface of the end of the bridge seat frame (43), and the upper side surface of the other end is fixedly connected with the lower side surface of the bridge bearing (41); the four bridge abutment arms (42) and the four bridge abutment bearings (41) are arranged symmetrically up and down and left and right;
The bridge seat frame (43) is of a strip-shaped structure with a rectangular cross section, and mounting holes (431) which are matched and connected with the mounting brackets (91) are respectively arranged at the positions close to the two ends of the bridge seat frame; the bridge abutment arm (42) is of a strip-shaped structure with a rectangular cross section; the bridge seat (41) is a columnar body with a rectangular cross section, the bridge seat holes (411) on the columnar body are prismatic, and the big ends of every two bridge seat holes (411) which are arranged symmetrically front and back face each other are similar.
6. The marine horizontal double-bridge floating raft vibration isolation pipe clamp according to claim 5, wherein: the central axis of the bridge clamping seat bearing hole (231) is coaxial with the central axis of the inner seat bearing hole (311); the central axis of the outer bearing hole (321) is coaxial with the central axis of the bridge bearing hole (411).
7. The marine horizontal double-bridge floating raft vibration isolation pipe clamp according to claim 5, wherein: a plurality of frequency modulation holes (75, 85) are formed in the connecting rings (7, 8) along the circumferential direction of the connecting rings; an annular inner cone blocking groove (74, 84) is arranged between the inner cone (71, 81) and the outer cone (72, 82).
8. The marine horizontal double-bridge floating raft vibration isolation pipe clamp according to claim 7, wherein: the upper clamp (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 (23), the floating raft rod (33), the inner seat (31), the outer seat (32), the bridge seat frame (43), the bridge seat arm (42) and the bridge seat (41) are made of carbon steel or copper alloy or vibration reduction alloy; the adjusting pins (5, 6) are made of carbon steel or copper alloy or vibration reduction alloy or spheroidal graphite cast iron or graphite; the connecting rings (7, 8) are made of vibration damping rubber; the material of the fastening bolt (14) is carbon steel or vibration reduction alloy.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010709872.0A CN111750204B (en) | 2020-07-22 | 2020-07-22 | Marine horizontal double-bridge floating raft vibration isolation pipe clamp |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010709872.0A CN111750204B (en) | 2020-07-22 | 2020-07-22 | Marine horizontal double-bridge floating raft vibration isolation pipe clamp |
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| CN212510034U (en) * | 2020-07-22 | 2021-02-09 | 武汉麦康德设备有限公司 | Marine horizontal double-bridge buoyant raft vibration isolation pipe clamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2337772A1 (en) * | 1973-07-25 | 1975-02-13 | Erwin Broneske | Exhaust pipe flexible mounting bracket - has conical rubber or plastic element bonded to steel backing disc with through bolt |
| FR2346625A1 (en) * | 1976-03-29 | 1977-10-28 | Delfosse Eric | Resilient support for underground pipelines - has sprung platform to protect pipes from effects of subsidence and seismic shocks |
| KR101170988B1 (en) * | 2007-06-04 | 2012-08-08 | 삼성전자주식회사 | Vibration isolator for pipeline system |
| CN104989881B (en) * | 2015-07-08 | 2017-04-05 | 中国船舶重工集团公司第七一九研究所 | A kind of pipeline support of multilayer vibration isolation anti-impact |
| KR101810816B1 (en) * | 2017-05-10 | 2017-12-20 | 김희영 | Slidable Support Structure for Preventing Vibration and Noise Generation |
| CN107628193B (en) * | 2017-08-25 | 2019-06-25 | 中国舰船研究设计中心 | A kind of vibration damping buoyant raft raft stand |
| CN208041324U (en) * | 2018-04-13 | 2018-11-02 | 株洲时代新材料科技股份有限公司 | Split double-layer pipeline something that gives the game away isolation mounting |
| KR20200004558A (en) * | 2018-07-04 | 2020-01-14 | (주)엔에스브이 | Hybrid vibration proof system for horizontal pipe |
| CN210106258U (en) * | 2019-04-26 | 2020-02-21 | 武汉麦康德设备有限公司 | Marine oil station horizontal pump package is detained type vibration isolation backing ring again |
| CN210799862U (en) * | 2019-09-16 | 2020-06-19 | 武汉市壹分贝科技有限责任公司 | General vibration isolation device of hoist and mount formula |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN212510034U (en) * | 2020-07-22 | 2021-02-09 | 武汉麦康德设备有限公司 | Marine horizontal double-bridge buoyant raft vibration isolation pipe clamp |
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