CN111750201B - Marine vertical double-bridge vibration isolation pipe clamp - Google Patents
Marine vertical double-bridge vibration isolation pipe clamp Download PDFInfo
- Publication number
- CN111750201B CN111750201B CN202010708885.6A CN202010708885A CN111750201B CN 111750201 B CN111750201 B CN 111750201B CN 202010708885 A CN202010708885 A CN 202010708885A CN 111750201 B CN111750201 B CN 111750201B
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- bridge
- seat
- clamp
- clamping
- vibration isolation
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- 238000002955 isolation Methods 0.000 title claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims description 20
- 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 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 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
- 230000000903 blocking effect Effects 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
- 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
- 230000007704 transition Effects 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
- 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 vertical double-bridge 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 lighten the vibration noise by more than 5-9 dB, and can be applied to land and vehicles besides being used for a ship system and a ship equipment unit; good social and economic benefits are obtained.
Description
Technical Field
The invention relates to a marine vertical double-bridge vibration isolation pipe clamp, in particular to a marine vertical double-bridge vibration isolation pipe clamp with a noise elimination and vibration reduction function, which is suitable for noise elimination and vibration reduction of prime mover equipment unit pipelines such as a ship pipeline, a ship air compressor, a ship hydraulic oil pump, a ship water pump and the like, 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 marine vertical double-bridge vibration isolation pipe clamp capable of reducing the vibration intensity by more than 5-9 decibels for a ship pipeline and a ship equipment unit pipeline.
The aim of the invention is realized by the following technical scheme:
The marine vertical double-bridge vibration isolation pipe clamp comprises an upper clamp, a bridge seat and four 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 respectively connected with the vibration isolation connecting mechanisms up and down at the two axial ends of the upper clamp, the vibration isolation connecting mechanisms are used for connecting the bridge clamp to the bridge seat, and the bridge seat is fixedly arranged on a mounting bracket on a ship body structure and/or a ship equipment unit; the axis of the vibration isolation connecting mechanism and the axis of the pipeline are arranged in a space mutually perpendicular mode.
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 four bridge card arms which are arranged in an up-down and left-right symmetrical way are fixedly connected to two side surfaces of the two ends of the bridge card frame, 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 bridge seat base by adopting a 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 bridge seat comprises a bridge seat frame, four bridge seat arms and four bridge seat bearings; the bridge clamping seat is connected with the bridge seat by adopting a vibration isolation connecting mechanism, the bridge clamping seat and the bridge seat are arranged in parallel and at opposite intervals, one end of each bridge seat arm is fixedly connected with two side surfaces near two ends of the bridge seat frame, and the lower side surface of each bridge seat is respectively and fixedly connected with the upper side surfaces of the other ends of the four bridge seat arms; the four bridge abutment arms and the four bridge abutment bearings are arranged symmetrically up and down and left and right;
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 small ends of the four bridge seat holes face towards each other similarly.
Further, preferably, the vibration isolation connecting mechanism comprises four connecting rings and four adjusting pins, the connecting rings are prismatic-table drum-shaped structures with square cross sections and small middle two ends, the connecting rings are provided with drum holes with square cross sections with large middle two ends along the axial direction, and each adjusting pin is respectively embedded into the drum holes of the corresponding connecting rings and integrally vulcanized; the 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 is provided with an adjusting pin hole along the axial direction; the central axis of the bridge clamping seat bearing hole is coaxial with the central axis of the bridge seat bearing hole.
Further, preferably, the connecting ring comprises an inner cone ring and an outer cone ring which are integrally connected and arranged at two ends, wherein a plurality of frequency modulation holes are arranged on the connecting ring along the circumferential direction of the connecting ring; an annular connecting ring blocking groove is arranged between the inner cone ring and the outer cone ring; the inner cone ring is embedded into the bridge seat bearing hole, and the outer cone ring is embedded into the bridge clamping seat bearing hole and is 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 bridge seat frame, the bridge seat arm and the bridge seat are made of carbon steel or copper alloy or vibration reduction alloy; the adjusting pin is made of carbon steel or copper alloy or vibration reduction alloy or spheroidal graphite cast iron or graphite; the connecting ring is made of vibration damping rubber; the fastening bolt is made of carbon steel or vibration reduction alloy.
The vertical double-bridge vibration isolation pipe clamp for the ship is mainly applied to clamping a pipeline with an included angle of more than or equal to 45 degrees between the central line of the pipeline and the horizontal plane at the clamping position, and can reduce the influence of the vibration of the pipeline on the 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 5-9 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 a bridge abutment according to an embodiment of the present invention;
Fig. 15 is a bottom view of fig. 14;
FIG. 16 is a schematic view of the structure of an adjustment pin according to an embodiment of the present invention;
FIG. 17 is a cross-sectional view taken at F-F in FIG. 16;
FIG. 18 is a schematic view of a connecting ring according to an embodiment of the present invention;
FIG. 19 is a cross-sectional view taken at H-H of FIG. 18;
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 19, the present invention provides a technical solution: the vertical double-bridge vibration isolation pipe clamp for the ship is arranged on a mounting bracket 91 on a ship body structure and/or a ship equipment unit through a mounting hole 431 by using a fastener; the marine vertical double-bridge vibration isolation pipe clamp comprises an upper clamp 1, a bridge clamp 2, a bridge seat 4, four vibration isolation connecting mechanisms 70 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 bridge abutment 4 comprises a bridge abutment frame 43, four bridge abutment arms 42 and four bridge abutment bearings 41; each of the vibration isolation coupling mechanisms 70 includes an adjustment pin 5, a coupling ring 7.
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 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, 14 and 15, 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 small ends of the four bridge seat holes 411 face similar; thereby constituting the bridge abutment 4.
As shown in fig. 16 and 17, the adjusting pin 5 has a rectangular cross section, a drum-shaped structure with two large ends and a small middle section, and an adjusting pin hole 51 along the axial direction and the angular arc transition.
As shown in fig. 18 and 19, the connecting ring 7 has a rectangular cross section, a prismatic-table drum-shaped structure with a large middle and small two ends, and an inner cone ring 71 and an outer cone ring 72 at two ends respectively; the inner cone ring 71 and the outer cone ring 72 have arc transition of the edges and corners; the connecting ring 7 is provided with a drum hole 73 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 drum hole are in arc transition; the connecting ring 7 is provided with a plurality of frequency modulation holes 75 along the circumferential direction; an annular connecting ring blocking groove 74 is arranged between the inner cone ring 71 and the outer cone ring 72.
As shown in fig. 1 to 3 and 16 to 19, the adjusting pin 5 is embedded in the drum hole 73 to form the vibration isolation connecting mechanism 70;
As shown in fig. 1 to 3 and 12 to 19, the inner cone ring 71 is embedded in the axle seat hole 411; the outer cone ring 72 is embedded in the bridge socket hole 231; the vibration isolation connecting mechanism 70 is nested with the bridge card seat 23 and the bridge seat 41 and is vulcanized integrally, so that the bridge card 2 is connected with the bridge seat 4; the vulcanization process thus far connects the bridge deck 2, the vibration isolation connection mechanism 70, and the bridge abutment 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 arm 22, the bridge clamping seat 23, 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 pin 5 is made of carbon steel or copper alloy or vibration reduction alloy or spheroidal graphite cast iron or graphite; the connecting ring 7 is made of vibration damping rubber; the fastening bolt 14 is made of carbon steel or vibration damping alloy.
The invention may also omit the adjustment pin 5 or the tuning holes 75 or the drum holes 73.
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 (7)
1. The utility model provides a marine vertical double-bridge vibration isolation pipe clamp, includes last card (1), bridge card (2), bridge seat (4) and four vibration isolation coupling mechanism (70), its characterized in that, go up card (1) and be used for with waiting to press from both sides the pipeline (90) location clamp of tight location and fix on bridge card (2), bridge card (2) are located at the axial both ends of going up card (1) are connected respectively from top to bottom vibration isolation coupling mechanism (70), vibration isolation coupling mechanism (70) will bridge card (2) are connected to bridge seat (4), bridge seat (4) fixed mounting is on installing support (91) on hull structure and/or marine equipment unit; the axis of the vibration isolation connecting mechanism (70) and the axis of the pipeline (90) are arranged in a space mutually perpendicular mode;
the vibration isolation connecting mechanism (70) comprises a connecting ring (7) and an adjusting pin (5), wherein the connecting ring (7) is of a prismatic table drum-shaped structure with a square cross section and a large middle and a small two ends, the connecting ring (7) is provided with a drum hole (73) with a square drum-shaped structure with a large middle and a small two ends and a small cross section along the axial direction, and the adjusting pin (5) is embedded into the drum hole (73) of the connecting ring (7) and is integrally vulcanized; the adjusting pin (5) is of a drum-shaped structure with a square cross section and a longitudinal section with two large middle ends and two small ends, and is provided with an adjusting pin hole (51) along the axial direction;
The connecting ring (7) comprises an inner conical ring (71) and an outer conical ring (72) which are integrally connected and arranged at two ends, the inner conical ring (71) is embedded into a bridge seat bearing hole (411) on the bridge seat (4), and the outer conical ring (72) is embedded into a bridge clamping seat bearing hole (231) on the bridge clamp (2) and integrally vulcanized.
2. The marine vertical double-bridge 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 vertical double-bridge 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); a vibration isolation connecting mechanism (70) is arranged in each bridge clamping seat (23), and the vibration isolation connecting mechanism (70) is connected with the bridge seat (4);
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 left and right are similar in orientation.
4. A marine vertical double bridge vibration isolation pipe clamp according to claim 3, wherein: the bridge seat (4) comprises a bridge seat frame (43), four bridge seat arms (42) and four bridge seat seats (41); the bridge clamping seat (23) is connected with the bridge seat (41) through the vibration isolation connecting mechanism (70), the bridge clamping seat (23) and the bridge seat (41) are arranged in parallel and relatively isolated, one end of each bridge seat 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 seat (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 fixedly arranged on a mounting bracket (91) on the ship body structure;
the bridge seat frame (43) is a strip-shaped structure with a rectangular cross section, and mounting holes (431) which are matched and connected with mounting brackets (91) on the ship body structure 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 small ends of every two bridge seat holes (411) which are arranged symmetrically left and right face to be similar.
5. The marine vertical double-bridge vibration isolation pipe clamp according to claim 4, wherein: the central axis of the bridge clamping seat hole (231) is coaxial with the central axis of the bridge seat hole (411).
6. The marine vertical double-bridge vibration isolation pipe clamp according to claim 5, wherein: a plurality of frequency modulation holes (75) are formed in the connecting ring (7) along the circumferential direction of the connecting ring; an annular connecting ring blocking groove (74) is arranged between the inner cone ring (71) and the outer cone ring (72).
7. The marine vertical double-bridge vibration isolation pipe clamp according to claim 5 or 6, 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 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 pin (5) is made of carbon steel or copper alloy or vibration reduction alloy or spheroidal graphite cast iron or graphite; the connecting ring (7) is made of vibration damping rubber; the material of the fastening bolt (14) is carbon steel or vibration reduction alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010708885.6A CN111750201B (en) | 2020-07-22 | 2020-07-22 | Marine vertical double-bridge vibration isolation pipe clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010708885.6A CN111750201B (en) | 2020-07-22 | 2020-07-22 | Marine vertical double-bridge vibration isolation pipe clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111750201A CN111750201A (en) | 2020-10-09 |
| CN111750201B true CN111750201B (en) | 2024-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010708885.6A Active CN111750201B (en) | 2020-07-22 | 2020-07-22 | Marine vertical double-bridge vibration isolation pipe clamp |
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| CN (1) | CN111750201B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2009100681A4 (en) * | 2009-07-15 | 2009-08-20 | Australian Tool Manufacturers Pty Ltd | Repariable Bush and Swivel Joints |
| CN102171473A (en) * | 2008-10-02 | 2011-08-31 | Zf腓特烈斯哈芬股份公司 | Hollow shaft connection device |
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| GB679651A (en) * | 1949-11-16 | 1952-09-24 | Silentbloc | Improvements in or relating to flexible joints |
| US4880319A (en) * | 1986-05-05 | 1989-11-14 | The B. F. Goodrich Company | Bearing assembly |
| CN109455286A (en) * | 2018-11-15 | 2019-03-12 | 中国船舶重工集团公司第七〇九研究所 | A kind of ship stern support device of multifunctional unit |
| CN110173469A (en) * | 2019-04-26 | 2019-08-27 | 武汉麦康德设备有限公司 | A kind of petrol station horizontal pump group peculiar to vessel answers button-type vibration isolation gasket ring |
| CN110450808B (en) * | 2019-08-15 | 2021-03-12 | 株洲时代瑞唯减振装备有限公司 | Conical rubber section traction spherical hinge and method for preventing rubber profile from cracking |
| CN210565943U (en) * | 2019-09-19 | 2020-05-19 | 康磊 | Shock insulation limiter for ship power system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102171473A (en) * | 2008-10-02 | 2011-08-31 | Zf腓特烈斯哈芬股份公司 | Hollow shaft connection device |
| AU2009100681A4 (en) * | 2009-07-15 | 2009-08-20 | Australian Tool Manufacturers Pty Ltd | Repariable Bush and Swivel Joints |
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