CN111059379B - Hydraulic synchronous quick connector - Google Patents
Hydraulic synchronous quick connector Download PDFInfo
- Publication number
- CN111059379B CN111059379B CN201911370575.1A CN201911370575A CN111059379B CN 111059379 B CN111059379 B CN 111059379B CN 201911370575 A CN201911370575 A CN 201911370575A CN 111059379 B CN111059379 B CN 111059379B
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- Prior art keywords
- flange
- ring body
- spring
- jaw
- butt
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 77
- 210000000078 claw Anatomy 0.000 claims abstract description 31
- 238000003466 welding Methods 0.000 claims abstract description 25
- 210000001503 joint Anatomy 0.000 claims abstract description 21
- 230000000712 assembly Effects 0.000 claims abstract description 12
- 238000000429 assembly Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 10
- 238000003032 molecular docking Methods 0.000 claims 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract description 7
- 238000007906 compression Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- -1 polytetrafluoroethylene Polymers 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000005056 compaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/032—Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
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- 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
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/036—Flanged joints the flanges being connected by members tensioned axially characterised by the tensioning members, e.g. specially adapted bolts or C-clamps
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- 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
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention provides a hydraulic synchronous quick connector. The invention mainly comprises a slewing mechanism, a spring telescoping mechanism, a butt flange, a flange cover, an electric system, a hydraulic system and the like. The butt joint flange comprises a welding flange and a flange base body, the butt joint surface of the welding flange is matched with the end face of the mechanism to be butt-jointed, a plurality of flange lugs used for connecting the jaw assemblies are arranged on the welding flange, one end of each jaw assembly is connected to the flange lugs, the other end of each jaw assembly is connected with the spring telescoping mechanism, the other end of the spring telescoping mechanism is connected to the slewing mechanism, the slewing mechanism is arranged on the outer ring of the flange base body and used for driving the spring telescoping mechanism to stretch or tighten under the action of a power source, and the jaw assemblies are clamped or separated from the mechanism to be butt-jointed. According to the invention, all connecting claws are synchronously opened by adopting a single hydraulic cylinder, so that the LNG loading and unloading arm and the transport ship can be reliably separated, and the problems of asynchronous clamping claw compression, no action, insufficient clamping force and the like are solved.
Description
Technical Field
The invention relates to the field of low-temperature fluid conveying, in particular to a hydraulic synchronous quick connector, and particularly relates to a hydraulic synchronous quick connector for connecting a loading and unloading arm of a liquid ship with a manifold of a transport ship.
Background
The existing transport ship manifold is connected with the loading arm for the liquid ship to be used, the hydraulic motor or the hydraulic cylinder is used for driving the clamping jaw to realize quick connection, the hydraulic motor is driven in a one-jaw one-motor driving mode, namely, a single hydraulic motor drives a single clamping jaw, the connector at least needs three clamping jaws, therefore, at least three sets of hydraulic motor driving mechanisms are needed, the hydraulic clamping jaws control a small hydraulic valve group mode for controlling each clamping jaw to distribute hydraulic oil through a total hydraulic valve group, two oil paths in series connection and parallel connection are completed, a series circuit is used for quick fastening, the pressing force is insufficient, the pressing force of a parallel circuit is large, the connector has the defects that two oil paths are not converted timely, the hydraulic oil is unevenly distributed, the clamping jaw pressing force is insufficient, and the clamping jaws do not act, are asynchronous and the like.
The hydraulic cylinder drives the claw technology, namely, a single hydraulic cylinder drives all connecting claws, the rotary ring is driven to rotate through the hydraulic cylinder, the pressing mechanism is driven to drive the claws to rotate around the pin shafts, clamping work of the claws is achieved, the connector has the defect that when a hydraulic cylinder driving device fails in a test mode, the connection work of a transport ship manifold and a ship loading arm cannot be continuously achieved, ship connection is delayed, the berthing time of a transport ship is prolonged, the cost is increased, meanwhile, the clamping claw pressing force cannot be adjusted by the connector pressing mechanism, and the problem that the clamping claw pressing force is insufficient or overlarge easily occurs.
Therefore, developing a hydraulic synchronous quick connector with safety, high efficiency and high reliability is a technical problem to be solved urgently.
Disclosure of Invention
According to the technical problem, the hydraulic synchronous quick connector is provided to solve the problems that the clamping jaw pressing force is insufficient, the clamping jaw is asynchronous and does not act, the safety risk is high, the efficiency is low and the like in the connection of the manifold flange of the existing transport ship and the flange of the loading arm for the ship. The invention adopts the following technical means:
a hydraulic synchronous quick connector comprising: the butt joint flange comprises a welding flange and a flange base body connected with the welding flange, the butt joint surface of the welding flange is matched with the end face of the mechanism to be butt-jointed, a plurality of flange lugs used for connecting the claw assemblies are arranged on the welding flange, one end of each claw assembly is connected to the flange lugs, the other end of each claw assembly is connected with the spring telescoping mechanism, the other end of the spring telescoping mechanism is connected to the rotating mechanism, the rotating mechanism is arranged on the outer ring of the flange base body and used for driving the spring telescoping mechanism to stretch or tighten under the action of a power source, and the claw assemblies are clamped or separated from the mechanism to be butt-jointed.
Further, the swing mechanism comprises a swing ring body, a bearing, a fixed ring body and a hydraulic cylinder, wherein the fixed ring body is fixedly connected to the flange base body, the bearing is arranged between the swing ring body and the fixed ring body, a plurality of lugs for hinging each spring telescoping mechanism are uniformly distributed and welded outside the swing ring body, the power source is the hydraulic cylinder, a swing ring body lug connecting seat for hinging a piston rod lug of the hydraulic cylinder is welded on the outer end face of the swing ring body, a fixed ring body lug connecting seat for hinging a cylinder barrel of the hydraulic cylinder is welded on the outer end face of the fixed ring body, and the hydraulic cylinder is arranged between the swing ring body lug connecting seat and the fixed ring body lug connecting seat.
Further, every spring telescopic machanism all includes joint bearing, axle sleeve, spring adjustment seat, thread bush, spring and dabber, joint bearing is two and installs respectively at spring telescopic machanism's both ends, and first joint bearing installs at the dabber that opens threaded hole, and second joint bearing installs the screw hole at the axle sleeve, and the axle sleeve passes through the bolt fastening on the thread bush, and the spring adjustment seat on the thread bush outer terminal surface adopts threaded connection with the thread bush, and spring press-fit is between the chassis of dabber and spring adjustment seat, the tip of dabber stretches into in the thread bush, the spring adjustment seat is used for finely tuning the deflection of spring through adjusting its relative position on the thread bush.
Further, the rotation center of the jaw assembly is hinged to the flange supporting lugs of the butt flange through a pin shaft, the jaw assembly comprises a jaw and a jaw connector, the jaw assembly adopts a detachable structure, a jaw connector threaded shaft is bolted in a threaded hole at the tail end of the jaw, the other end of the jaw connector is hinged to a second joint bearing of the spring telescoping mechanism, and the spring telescoping mechanism is fixed to the jaw assembly through a locking nut.
Further, still include the direction centering subassembly, it is used for the butt flange to play the direction centering effect when waiting the butt joint mechanism to be connected, and it includes crashproof piece and deflector, arranges the deflector on the butt flange through the bolt, and crashproof piece is located the direction centering subassembly top, and it passes through bolted connection on the deflector.
Further, the number of the spring telescoping mechanisms is 5-8, and the number of the claw assemblies is the same as that of the claw assemblies.
Further, the flange cover assembly is used for sealing the outer end face of the butt flange when the hydraulic synchronous quick connector stops working, and comprises a flange cover, a handle and a screw plug, wherein the handle is in threaded connection with the flange cover, and a threaded through hole for installing the screw plug is formed in the flange cover.
Further, a plurality of sealing grooves for installing sealing rings are formed in the welding flange butt joint surface, and a plurality of uniformly distributed bolt holes are formed in the welding flange butt joint surface.
The invention has the following advantages:
1. the hydraulic synchronous quick connector adopts a single hydraulic cylinder to synchronously open all connecting claws, so that the LNG loading and unloading arm and the transport ship can be reliably separated, and the problems of asynchronous clamping claw compression, no action, insufficient compression force and the like are solved.
2. The hydraulic synchronous quick connector butt flange is provided with three-stage sealing, so that the sealing effect during medium conveying is improved, the redundant design is adopted, and the hydraulic synchronous quick connector butt flange can be manually connected to the butt flange through bolts under the condition that a hydraulic driving device fails.
3. The spring telescoping mechanism is provided with a spring adjusting seat, and the clamping jaw is pressed on the connecting manifold flange by utilizing spring force, so that the technical characteristics of intrinsic safety are achieved.
For the reasons, the invention can be widely popularized in the field of low-temperature fluid conveying.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic illustration of a hydraulic synchronous quick connector of the present invention in connection with a carrier manifold flange.
Fig. 2 is a schematic view of a hydraulic synchronous quick connector in an embodiment of the invention.
Fig. 3 is a cross-sectional view of a hydraulic synchronous quick connector in an embodiment of the invention.
Fig. 4 is a top view of fig. 3.
Fig. 5 is a schematic view of a spring telescoping mechanism in accordance with an embodiment of the present invention.
Fig. 6 is a schematic diagram of a jaw assembly in accordance with an embodiment of the invention.
Fig. 7 is a schematic view of a guide centering assembly in accordance with an embodiment of the present invention.
Fig. 8 is a schematic view of a flange cover assembly according to an embodiment of the present invention.
In the figure: 1 hydraulic synchronous quick connector, 1.1 slewing mechanism, 1.1.1 slewing ring body, 1.1.2 bearing, 1.1.3 fixed ring body, 1.1.4 hydraulic cylinder, 1.2 spring telescoping mechanism, 1.2.1 second joint bearing, 1.2.2 shaft sleeve, 1.2.3 spring adjusting seat, 1.2.4 thread sleeve, 1.2.5 spring, 1.2.6 mandrel, 1.2.7 first joint bearing, 1.3 lock nut, 1.4 claw assembly, 1.4.1 claw, 1.4.2 claw joint, 1.5 guide centering assembly, 1.5.1 crashproof block, 1.5.2 guide plate, 1.6 flange cover assembly, 1.6.1 flange cover, 1.6.2 handle, 1.6.3 screw plug, 1.7 butt flange, 1.7.1 welding flange, 1.7.2 flange base body, 2 carrier manifold flange.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. 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.
As shown in fig. 1, the present embodiment discloses a hydraulic synchronous quick connector, which is a key component installed at the front end of an LNG loading arm, and can realize automatic, quick and reliable connection of the loading arm and a carrier manifold. As shown in fig. 2, it includes: the butt joint flange 1.7, rotary mechanism 1.1 and a plurality of jack catch subassembly 1.4 and rather than quantity matched spring telescopic machanism 1.2, butt joint flange 1.7 includes welding flange 1.7.1 and rather than the flange base member 1.7.2 that links to each other, the butt joint face of welding flange 1.7.1 is rather than waiting butt joint mechanism terminal surface phase-match, be equipped with a plurality of flange lugs that are used for connecting the jack catch subassembly on the welding flange 1.7.1, each jack catch subassembly 1.4 one end is connected on the flange lug, the other end links to each other with spring telescopic machanism 1.2, the other end of spring telescopic machanism 1.2 is connected on rotary mechanism 1.1, rotary mechanism 1.1 sets up in the flange base member outer lane, and it is used for driving spring telescopic machanism 1.2 under the effect of power supply, makes jack catch subassembly 1.4 chucking or break away from waiting the butt joint mechanism.
As shown in fig. 3, the revolving mechanism 1.1 is composed of a revolving ring body 1.1.1, a bearing 1.1.2, a fixed ring body 1.1.3 and a hydraulic cylinder 1.1.4, the main body of the revolving ring body 1.1.1 is a circular ring, a plurality of lugs which are radially arranged outwards are arranged at the upper end part of the main body, the lugs are used for hinging the spring telescoping mechanism 1.2, as shown in fig. 4, in the embodiment, the power source is the hydraulic cylinder, and a revolving ring lug connecting seat for hinging a piston rod lug of the hydraulic cylinder 1.1.4 is welded on the outer end surface of the revolving ring body 1.1.1. The fixed ring body 1.1.3 comprises a left fixed ring body and a right fixed ring body, so that the slewing mechanism 1.1 is installed and disassembled on the hydraulic synchronous quick connector 1, bolt holes which are uniformly distributed are formed in the fixed ring body 1.1.3, the slewing mechanism 1.1 is bolted on the butt flange 1.7 through bolts, and a fixed ring body lug connecting seat for hinging a cylinder barrel of the hydraulic cylinder 1.1.4 is welded on the outer end surface of the fixed ring body 1.1.3. The piston rod of the hydraulic cylinder 1.1.4 is connected with the support lug on the rotary ring body 1.1.1 through a pin shaft, and the other end of the hydraulic cylinder 1.1.4 is hinged on the support lug connecting seat of the right fixed ring body 1.1.3. The fixed ring body lug connecting seat is flush with the rotary ring lug connecting seat, the connecting plate between the fixed ring body and the fixed ring body lug connecting seat is a straight plate, and the connecting plate between the rotary ring body and the rotary ring lug connecting seat has a certain radian. The bearing 1.1.2 is arranged between the rotary ring body 1.1.1 and the fixed ring body 1.1.3, and the material is modified polytetrafluoroethylene material so as to meet the requirement of an environment of-196 degrees to +60 degrees.
As shown in fig. 5, in this embodiment, the hydraulic synchronous quick connector 1 should include 5-8 spring telescopic mechanisms 1.2, and each spring telescopic mechanism 1.2 is composed of a joint bearing 1.2.1, a shaft sleeve 1.2.2, a spring adjusting seat 1.2.3, a thread bush 1.2.4, a spring 1.2.5, a mandrel 1.2.6, and the like. Two knuckle bearings 1.2.1 are respectively installed at the two ends of a spring telescoping mechanism 1.2, a first knuckle bearing 1.2.7 is installed on a mandrel 1.2.6 provided with a threaded hole, a second knuckle bearing 1.2.1 is installed in the threaded hole of a shaft sleeve 1.2.2, the rotary ring body 1.1.1 is connected with the first knuckle bearing 1.2.7, the shaft sleeve 1.2.2 is fixed on a thread sleeve 1.2.4 through bolts, and a spring adjusting seat 1.2.3 on the outer end face of the thread sleeve 1.2.4 is in threaded connection with the thread sleeve 1.2.4. The spring 1.2.5 is pressed between the chassis of the mandrel 1.2.6 and the spring adjusting seat 1.2.3, the ladder-shaped structure at one end of the mandrel 1.2.6 and the thread bush 1.2.4 have guiding function on the telescopic spring 1.2.5, the deformation load generated by the telescopic expansion of the spring 1.2.5 causes the mandrel 1.2.6 to move up and down in the closed space formed by the thread bush 1.2.4 and the shaft sleeve 1.2.2, and the deformation of the spring 1.2.5 can be finely adjusted by adjusting the relative position of the spring adjusting seat 1.2.3 on the thread bush 1.2.4.
As shown in fig. 6, the hydraulic synchronous quick coupler 1 accordingly includes 5-8 jaw assemblies 1.4 to prevent the remaining jaw assemblies 1.4 from being able to compress the carrier manifold flange 2 in the event of failure of an individual jaw assembly 1.4. The jaw assembly 1.4 is an actuating mechanism for compacting a manifold flange 2 of a transport ship, a rotation center of the jaw assembly 1.4 is hinged to an outer end supporting lug of the butt flange 1.7 through a pin shaft, the jaw assembly 1.4 is formed by a jaw 1.4.1 and a jaw joint 1.4.2, the jaw joint 1.4.2 is in a detachable structure, a threaded shaft of the jaw joint 1.4.2 is bolted in a threaded hole at the tail end of the jaw 1.4.1, the other end of the jaw joint 1.4.2 is hinged to a joint bearing 1.2.1 of the spring telescoping mechanism 1.2, the spring telescoping mechanism 1.2 is fixed on the jaw assembly 1.4 through a locking nut 1.3, and in other alternative embodiments, a through hole with a certain shape is formed in a central area in a longitudinal direction in order to reduce the whole weight of the jaw 1.4.1.
As shown in fig. 7, the guiding and centering components 1.5 and the flange 2 of the carrier manifold are connected to each other to form a plurality of guiding and centering components, and the inner diameter of the ring formed by each guiding and centering component is larger than the outer diameter of the flange, so that the efficiency and risk of butt joint of the flange 2 of the carrier manifold can be improved, and the normal butt joint of the flange can not be influenced. The guide centering component 1.5 is composed of an anti-collision block 1.5.1 and a guide plate 1.5.2, the guide plate 1.5.2 uniformly arranges the guide centering component 1.5 on a flange ring of the butt flange 1.7 through bolts, the anti-collision block 1.5.1 is positioned at the top of the guide centering component 1.5 and is connected on the guide plate 1.5.2 through bolts, the main body of the anti-collision block 1.5.1 is made of polytetrafluoroethylene materials so as to prevent the manifold flange 2 from being damaged when the transportation manifold flange 2 is connected with the butt flange 1.7, and the specific shape and specification of the guide centering component 1.5 are determined according to actual working conditions.
As shown in fig. 8, the flange cover assembly 1.6 is used for sealing the outer end surface of the butt flange 1.7 when the hydraulic synchronous quick connector 1 is not in operation, and preventing external impurities, water, moisture and the like from entering the inside of the butt flange 1.7. The flange cover component 1.6 is composed of a flange cover 1.6.1, a handle 1.6.2 and a screw plug 1.6.3, and the flange cover 1.6.1 is made of polytetrafluoroethylene materials because the flange cover component 1.6 does not need to bear the same design pressure as the loading and unloading arm during design, and a screw through hole for installing the screw plug 1.6.3 is formed in the flange cover 1.6.1, so that a pressure release port for reducing pressure before installing a discharge valve or dismantling is convenient. The flange cover 1.6.1 is provided with bolt holes, and the handle 1.6.2 is fixed on the flange cover 1.6.1 through nuts.
The butt joint flange 1.7 is connected with the transport ship manifold flange 2 to realize the transportation of material, and the butt joint flange 2 is formed by welding flange 1.7.1, flange base member 1.7.2, and the equipartition welding has the journal stirrup of connecting claw subassembly 1.4 on the welding flange 1.7.1 outer terminal surface, and it has three seal grooves that are used for installing the sealing washer to open on the welding flange 1.7.1 face, and hydraulic pressure synchronous quick-operation joint 1 is sealed reliably when guaranteeing the material to carry, and it has the bolt hole of equipartition to open on the welding flange 1.7.1 face for when hydraulic pressure synchronous quick-operation joint 1 appears the emergency and loses efficacy, can be through bolt with transport ship manifold flange 2 bolt on butt joint flange 1.7. The compression end of the clamping jaw 1.4.1 can be completely attached to the flange surface of the transport ship manifold flange 2 in a compression state, and no overlapping part is required to be ensured at the attachment position of the clamping jaw 1.4.1 for bolt holes uniformly distributed at the compression end. The flange base body 1.7.2 is formed by welding seamless steel pipes, steel plates and the like, and the welded steel plates of the flange base body 1.7.2 are provided with uniform threaded holes for fixing the slewing mechanism 1.1 on the butt flange 1.7.
The manifold flange 2 of the compaction transport ship of the embodiment is divided into three working stages:
the first stage: at this time, the claw 1.4.1 is opened to the maximum opening and closing position, the flange cover is removed, the hydraulic cylinder 1.1.4 starts to act, the position of the fixed ring body 1.1.3 hinged with the lug connecting seat of the cylinder barrel of the hydraulic cylinder 1.1.4 is unchanged, the hydraulic cylinder 1.1.4 starts to retract from an initial extension state, the rotary ring body 1.1.1 hinged with the lug of the piston rod of the hydraulic cylinder 1.1.4 is pushed to rotate, the spring telescoping mechanism 1.2 is driven to rotate together, the spring telescoping mechanism 1.2 pushes the claw assembly 1.4 to rotate from the opening position to be attached to the manifold flange 2 of the transport ship, the length of the spring telescoping mechanism 1.2 is unchanged, the spring 1.2.5 does not generate compression deformation, and the compressing force of the claw assembly 1.4 is 0.
And a second stage: the hydraulic cylinder 1.1.4 continues to push the rotary ring body 1.1.1 of the rotary mechanism 1.1 to drive the spring telescopic mechanism 1.2 to rotate, the mandrel 1.2.6 in the spring telescopic mechanism 1.2 starts to move upwards in the closed space formed by the threaded sleeve 1.2.4 and the shaft sleeve 1.2.2, the spring 1.2.5 starts to compress gradually, and when the projection of the axis of the spring telescopic mechanism 1.2 rotating to the axis of the spring telescopic mechanism is coincident with the axis of the butt flange 1.7, the claw assembly 1.4 is pressed against the manifold flange 2 of the transport ship by spring force.
And a third stage: the hydraulic cylinder 1.1.4 continuously pushes the slewing mechanism 1.1 to drive the spring telescoping mechanism 1.2 to rotate, the position of the jaw assembly 1.4 is unchanged all the time, when the axis of the spring telescoping mechanism 1.2 and the axis of the jaw assembly 1.4 form 3-5 degrees, the spring telescoping mechanism 1.2 is in a self-locking state, the slewing mechanism 1.1 stops rotating, and the hydraulic cylinder 1.1.4 retracts to the minimum limit position.
When the medium conveying and the pipeline purging work are completed, the hydraulic cylinder 1.1.4 acts to push the rotary mechanism 1.1 in the opposite direction to drive the spring telescopic mechanism 1.2 to rotate, the spring 1.2.5 starts to gradually stretch, the mandrel 1.2.6 moves to the bottommost end of a closed space formed by the threaded sleeve 1.2.4 and the shaft sleeve 1.2.2, at the moment, the position of the claw assembly 1.4 is kept unchanged, and the pressing force is changed to 0; when the hydraulic cylinder 1.1.4 continues to push the slewing mechanism 1.1 to rotate and the spring telescopic mechanism 1.2 pulls the jaw assembly 1.4 to rotate to the maximum opening position, the hydraulic cylinder 1.1.4 stops acting, the elongation of the hydraulic cylinder 1.1.4 is maximum, and the loading and unloading arm drives the hydraulic synchronous quick connector 1 to be separated from the manifold flange 2 of the transport ship, so that the separation work is completed.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (6)
1. A hydraulic synchronous quick connector, comprising: the butt joint flange comprises a welding flange and a flange base body connected with the welding flange, the butt joint surface of the welding flange is matched with the end surface of the mechanism to be butt-jointed, a plurality of flange lugs for connecting the claw assemblies are arranged on the welding flange, one end of each claw assembly is connected to the flange lugs, the other end of each claw assembly is connected with the spring telescoping mechanism, the other end of the spring telescoping mechanism is connected to the revolving mechanism, the revolving mechanism is arranged on the outer ring of the flange base body and is used for driving the spring telescoping mechanism to stretch or tighten under the action of a power source, so that the claw assemblies are clamped or separated from the mechanism to be butt-jointed;
each spring telescoping mechanism comprises two joint bearings, a shaft sleeve, a spring adjusting seat, a thread bush, springs and a mandrel, wherein the two joint bearings are respectively arranged at two ends of the spring telescoping mechanism; the number of the spring telescopic mechanisms is 5-8, and the number of the claw assemblies is the same as that of the claw assemblies.
2. The hydraulic synchronous quick connector according to claim 1, wherein the rotary mechanism is composed of a rotary ring body, a bearing, a fixed ring body and a hydraulic cylinder, the fixed ring body is fixedly connected on a flange base body, the bearing is arranged between the rotary ring body and the fixed ring body, a plurality of lugs for hinging each spring telescoping mechanism are uniformly distributed and welded outside the rotary ring body, the power source is the hydraulic cylinder, a rotary ring body lug connecting seat for hinging a piston rod lug of the hydraulic cylinder is welded on the outer end face of the rotary ring body, a fixed ring body lug connecting seat for hinging a cylinder barrel of the hydraulic cylinder is welded on the outer end face of the fixed ring body, and the hydraulic cylinder is arranged between the rotary ring body lug connecting seat and the fixed ring body lug connecting seat.
3. The hydraulic synchronous quick coupling according to claim 1, wherein the rotation center of the jaw assembly is hinged on the flange support lug of the butt flange through a pin shaft, the jaw assembly comprises a jaw and a jaw joint, the jaw assembly adopts a detachable structure, a jaw joint threaded shaft is bolted in a threaded hole at the tail end of the jaw, the other end of the jaw joint is hinged with a second knuckle bearing of the spring telescoping mechanism, and the spring telescoping mechanism is fixed on the jaw assembly through a lock nut.
4. The hydraulic synchronous quick coupler according to claim 1, further comprising a guide centering assembly for guiding centering when the docking flange is connected to the mechanism to be docked, comprising an anti-collision block and a guide plate, the guide plate being arranged on the docking flange by bolts, the anti-collision block being located on top of the guide centering assembly, and being connected to the guide plate by bolts.
5. The hydraulic synchronous quick connector according to claim 1, further comprising a flange cover assembly for sealing the outer end face of the butt flange when the hydraulic synchronous quick connector stops working, wherein the flange cover assembly comprises a flange cover, a handle and a screw plug, the handle is screwed on the flange cover, and a threaded through hole for installing the screw plug is formed in the flange cover.
6. The hydraulic synchronous quick connector according to claim 1, wherein a plurality of sealing grooves for installing sealing rings are formed in the welding flange butt joint surface, and a plurality of uniformly distributed bolt holes are formed in the welding flange butt joint surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911370575.1A CN111059379B (en) | 2019-12-26 | 2019-12-26 | Hydraulic synchronous quick connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911370575.1A CN111059379B (en) | 2019-12-26 | 2019-12-26 | Hydraulic synchronous quick connector |
Publications (2)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111561659B (en) * | 2020-06-05 | 2024-05-17 | 山东冠卓重工科技有限公司 | Ultralow temperature liquefaction wharf loading and unloading arm |
| CN111853047A (en) * | 2020-08-11 | 2020-10-30 | 江苏长隆石化装备有限公司 | Spring push rod mechanism, quick connecting device and anti-loosening method |
| CN113389957A (en) * | 2021-04-15 | 2021-09-14 | 连云港杰瑞自动化有限公司 | Small-size quick connecting device suitable for LNG tank wagon |
| CN115076483A (en) * | 2022-06-10 | 2022-09-20 | 连云港杰瑞自动化有限公司 | Hydraulic quick self-locking device suitable for LNG hose conveying system |
| CN116379236A (en) * | 2022-12-26 | 2023-07-04 | 连云港奇胜流体科技有限公司 | Marine fluid loading arm with emergency release and quick connection device |
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