CN105015713A - Container positioning guide rail device for ships - Google Patents
Container positioning guide rail device for ships Download PDFInfo
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- CN105015713A CN105015713A CN201410338822.0A CN201410338822A CN105015713A CN 105015713 A CN105015713 A CN 105015713A CN 201410338822 A CN201410338822 A CN 201410338822A CN 105015713 A CN105015713 A CN 105015713A
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- guide rail
- bracket
- freight container
- positioning guide
- bulkhead
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- 230000002459 sustained effect Effects 0.000 claims description 9
- 210000003781 tooth socket Anatomy 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 46
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 239000010720 hydraulic oil Substances 0.000 description 6
- 230000000994 depressogenic effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 239000010727 cylinder oil Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000272165 Charadriidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The invention discloses a container positioning guide rail device for ships. The container positioning guide rail device comprises four guide rail racks in long strip shapes, wherein 2-4 corbel supports are arranged on each guide rail rack; the corbel supports on different guide rail racks are arranged on the same horizontal plane; each corbel support comprises a pivot shaft which is parallel to the guide rail rack, and a supporting body arranged on one side of the pivot shaft; an upper pivot base connected with the pivot shaft, and a lower pivot base connected with the pivot shaft are connected with each guide rail rack; a lower oil cylinder of which the axis is parallel to the guide rail rack is arranged in each supporting body; the upper end of a lower oil cylinder piston is connected with a supporting block; an upper oil cylinder of which the axis is perpendicular to the surface of a cabin wall is arranged on the cabin wall above each corbel support; the outer end part of an upper oil cylinder piston is connected with a top block; a tension spring is arranged between each top block and the upper oil cylinder; the bottom of each lower oil cylinder is communicated with the corresponding upper oil cylinder through a hydraulic pipeline; the corbel supports on different guide rail racks and at the same height take synchronous action. The container positioning guide rail device effectively solves the problems that containers in the prior art are easy to shift, so that the positioning effects of the containers are influenced, or guide rails on cabin walls are damaged; therefore, the container positioning guide rail device has a high practical value.
Description
Technical field
The present invention relates to shipbuilding technical field, especially relate to a kind of seatainer positioning guide rail device.
Background technology
Bulkhead track on multi purpose ship is used to the relative position of fixed set vanning, and the track consisted of four angle steel carries out spacing to the corner of freight container, prevents freight container from moving belowdecks; When the goods that multi purpose ship needs traffic density larger such as steel, steel plate, coil of strip and other items, the goods of these heavinesses can only be placed on bottom cabin.After goods bottom cabin has been placed, four contour brackets that four bulkhead tracks are arranged are utilized to support, freight container is placed in making somebody a mere figurehead on the bulkhead track of multi purpose ship, space between now bottom freight container bottom surface and cabin is for loading steel, steel plate, coil of strip and other items, the top of these goods is one deck freight container, freight container can also load other lighter goods, and the goods of some not to be stowed under heavy cargos, multi-deck container can be utilized its layering to be separated, thus reach the object that multiple goods at utmost loads in mixture.Usual bracket supports and can rotate, and is supported by bracket and fit on bulkhead when namely not needing to use, and needs to make it exceed bulkhead track bracket support rotating, for living freight container from four corner buttresses when using.But leave larger gap between the bulkhead track of prior art and freight container, and when using bracket to support built on stilts fixed set vanning, there is larger potential safety hazard in this space, when boats and ships occur rocking because of stormy waves in the process of moving, freight container may be followed and rocked and occur displacement, thus make bulkhead track be clashed into and be out of shape, of long duration easily cause the gap between bulkhead track and freight container to strengthen, affect freight container locating effect or cause bulkhead rail damage.On the other hand, the bracket bearing height in prior art on bulkhead track is fixing, cannot carry out height and regulate, therefore can not regulate corresponding space size according to the actual conditions of goods, easily cause cabin space waste.Publication date is on June 17th, 2009, publication number is the portable rack that the patent document of CN101457661A discloses a kind of multi purpose ship, it comprises support body, described support body comprises transverse slat and riser, transverse slat is horizontal positioned, be connected with riser in the side of transverse slat, the opposite side of transverse slat is connected with boats and ships side of a ship apodema, rectangular shaped is formed after transverse slat is connected with riser, strut is provided with between transverse slat and riser, one end of strut is connected with the middle part of transverse slat, and the other end of strut is connected with the middle part of riser, and riser is connected with hull bottom inner panel.This support can expand the range of use of boats and ships, and improve result of use, for box goods, multi purpose ship portable rack is held between boats and ships side of a ship apodema and boats and ships tank top plate, forms space, a right angle, is convenient to stack box goods; For bulk goods, remove multi purpose ship portable rack, the margin plate of inclination contributes to the stacking of bulk goods.But the problem that this structure freight container that cannot solve on prior art multi purpose ship is fixed and placing height cannot regulate.
Summary of the invention
The object of the invention is to solve freight container in prior art be easily shifted and affect freight container locating effect or cause the problem of bulkhead rail damage, a kind of seatainer positioning guide rail device that fixed set can be facilitated to case is provided.
Another object of the present invention is that the bulkhead track bracket Support Position solving prior art is fixed, and easily causes the problem of cabin space waste, provides a kind of bracket bearing height to regulate, the seatainer positioning guide rail device that cabin space availability ratio is high.
The present invention is the technical scheme solving the problems of the technologies described above employing, a kind of seatainer positioning guide rail device, be arranged on the bulkhead of multi purpose ship, comprise four and be fixed on strip guide rail bracket on bulkhead and vertical with cabin base plate, it is parallel with guide rail bracket away from the side of bulkhead that the L-shaped freight container positioning guide rail of cross-sectional plane is fixed on guide rail bracket, each guide rail bracket is equipped with 2-4 bracket to support, bracket on four guide rail brackets supports the supporting construction forming and can support layer 2-4 freight container, bracket for supporting same freight container on different guide rail bracket supports and is arranged on sustained height, spacing distance between upper and lower two brackets support is greater than the height of a freight container, described bracket supports the supporter comprising the drive-connecting shaft parallel with guide rail bracket and be arranged on drive-connecting shaft side, the two ends up and down of drive-connecting shaft connect pivot connecting seat and lower pivot connecting seat respectively, upper pivot connecting seat and lower pivot connecting seat are connected with guide rail bracket, the lower oil cylinder that axis is parallel with guide rail bracket is provided with in described supporter, be connected with back-up block by buffer gear with the lower oil cylinder piston upper end of lower oil cylinder adaptation, the bulkhead that each bracket supports top is provided with the axis upper cylinder vertical with bulkhead face, the bracket spacing distance supported between upper cylinder is less than the height of a freight container, jacking block is connected with the outer end of the upper cylinder piston of upper cylinder adaptation, extension spring is provided with between jacking block and upper cylinder, the bottom of lower oil cylinder is communicated with upper cylinder by conduit under fluid pressure, the drive-connecting shaft that described bracket supports is connected with bracket support rotating motor by transmission device, described seatainer positioning guide rail device also comprises control setup, described control setup connects bracket support rotating motor, bracket on different guide rail bracket sustained height supports synchronization action.
Seatainer positioning guide rail device of the present invention is equipped with 2-4 bracket and supports on each guide rail bracket, and the bracket on four guide rail brackets supports the supporting construction forming and can support layer 2-4 freight container.Each bracket is all provided with a lower oil cylinder on supporting, and the upper end of lower oil cylinder piston connects back-up block by buffer gear; Bulkhead above each bracket supports is equipped with upper cylinder, and the outer end of upper cylinder piston connects jacking block, be provided with extension spring, and lower oil cylinder is communicated with between jacking block and upper cylinder by conduit under fluid pressure with upper cylinder.When needs use certain layer of bracket to support, bracket support rotating electric machine rotation drives the bracket support rotating on same layer (sustained height), the supporter that bracket is supported and the back-up block be located at above supporter protrude from the orbital plane of freight container positioning guide rail, like this, when putting into freight container in freight container positioning guide rail, back-up block just can withstand freight container; The supporter then being made by bracket support rotating bracket support when supporting without the need to using bracket and the back-up block be located at above supporter are positioned at outside the orbital plane of freight container positioning guide rail, impact cargo handing in order to avoid bracket supports.In an initial condition, jacking block is subject to the pulling force effect of extension spring, and upper cylinder piston is retracted, and because lower oil cylinder is communicated with by conduit under fluid pressure with upper cylinder, the hydraulic oil in upper cylinder is pressed into lower oil cylinder, and lower oil cylinder piston stretches out, and back-up block rises.When the container base lifted contacts with back-up block, back-up block is depressed together with the lower oil cylinder piston be connected with back-up block by the weight of freight container, lower in-oil cylinder oil pressure is greater than the oil pressure of upper cylinder, lower in-oil cylinder hydraulic oil is pressed into upper cylinder, upper cylinder piston is ejected, the jacking block of upper cylinder piston outer end is driven to move in freight container positioning guide rail and extrude the sidewall of freight container, when back-up block is depressed completely, four jacking blocks in freight container four bights reach maxim to freight container squeese pressure, four jacking blocks withstand the bight of freight container to greatest extent, thus reach fixed set vanning, prevent the object that freight container is shifted.The jacking block that bracket of the present invention supports top ejects in the process of freight container whereabouts, because now freight container does not put down completely, therefore four jacking blocks can by freight container top to center, namely the extension elongation of four upper cylinder pistons is roughly the same, the squeese pressure of four jacking blocks to freight container is basically identical, makes freight container stress equalization.And buffer gear is set between back-up block and lower oil cylinder piston, then can prevent due to freight container side too near freight container positioning guide rail time, the back-up block that the jacking block at this place cannot eject and cause bracket to support cannot be depressed, and makes freight container cannot the problem of horizontal positioned.
As preferably, conduit under fluid pressure is connected with pressure relief device, pressure relief device comprises an energy storage tank, is connected with blowdown valve and check valve between energy storage tank and conduit under fluid pressure, on the bulkhead that energy storage tank is fixed on upper cylinder side or guide rail bracket.Pressure relief device is for controlling maximum pressure value, and when the pressure of upper and lower oil cylinder is greater than setting value, blowdown valve is opened and section hydraulic oil is imported energy storage tank, and now external pressure is greater than the pressure in energy storage tank, therefore closed check valve; And when being less than the pressure in energy storage tank when ambient pressure, check valve conducting, the hydraulic oil in energy storage tank is back in hydraulic ram by check valve.
As preferably, freight container positioning guide rail is provided with the opening with jacking block adaptation, when upper cylinder piston stretches out, the lateral surface of jacking block protrudes from the orbital plane of freight container positioning guide rail near bulkhead, when upper cylinder piston is retracted, the lateral surface position of jacking block and freight container positioning guide rail near bulkhead orbital plane at grade.This structure when upper cylinder piston is retracted, the lateral surface position of jacking block and freight container positioning guide rail near bulkhead orbital plane at grade, the integraty of freight container positioning guide rail can be guaranteed like this.
As preferably, back-up block is rectangular structure, and the upper surface of back-up block is provided with roller slot, and when bracket supports in running order, described roller slot is parallel with bulkhead face, is provided with roller in roller slot.At the upper surface of back-up block, roller is set, during container hanging bottom it and roller-contact, when jacking block above bracket supports stretches out extruding freight container, freight container transverse shifting resistance is less, freight container can be made finally to be in center, the jacking block in freight container four bight is substantially identical to the squeese pressure of freight container, makes freight container stress equalization.
As preferably, bracket is provided with oil duct in supporting, the outer peripheral face of drive-connecting shaft lower end is provided with endless oil groove, oil duct is by drive-connecting shaft, endless oil groove, lower pivot connecting seat and the orifice that is arranged on outside lower pivot connecting seat, interface is connected with upper cylinder by hydraulic hose, is provided with hermetically-sealed construction between pivot connecting seat and drive-connecting shaft down.Conduit under fluid pressure part in bracket of the present invention supports is communicated with outside conduit under fluid pressure by drive-connecting shaft, lower pivot connecting seat, because bracket is supported for turntable, and lower pivot connecting seat is fixed sturcture, doing so avoids interface becomes bascule, is conducive to the setting of external hydraulic pipeline and fixes.
As preferably, buffer gear comprises the cushion chamber be arranged in back-up block, is provided with center link in cushion chamber, and center link is arranged with stage clip, and lower oil cylinder piston top is provided with the centre hole with center link adaptation, and the lower end of described center link is arranged in centre hole.Back-up block of the present invention is, by stage clip, the pressure of freight container is passed to lower oil cylinder, when stage clip is compressed to a certain degree, back-up block directly contacts with supporter, the pressure of freight container is directly passed on supporter, this structuring limits the maximum pressure of hydraulic efficiency pressure system, hydraulic efficiency pressure system can be avoided like this to bear excessive pressure and damage, freight container also can be avoided to be subject to excessive squeese pressure and cause being extruded position distortions.
As preferably, the cross-sectional area of lower oil cylinder cylinder holes is greater than the cross-sectional area of upper cylinder cylinder holes.Lower oil cylinder and upper cylinder are hydraulic ram, the cross-sectional area of lower oil cylinder and upper cylinder can be determined according to the overhang of the volume under pressure of back-up block and jacking block, usually preferably the cross-sectional area of lower oil cylinder cylinder holes is greater than the cross-sectional area of upper cylinder cylinder holes, and the volume under pressure that such back-up block is less just can make jacking block have larger overhang.
As preferably, bracket supports and is arranged on guide rail bracket by synchronization lifting mechanism, described lifting mechanism comprises the bracket support drive box being arranged on bracket supporting elevation guide rail on guide rail bracket and parallel with guide rail bracket and being arranged on bracket supporting elevation guide rail, bracket support drive box entirety is L-shaped, the cross-sectional plane of bracket supporting elevation guide rail is criss-cross, comprise adapter plate and be symmetricly set on the positive stop strip of adapter plate both sides, one side of adapter plate is fixed on the guide rail bracket between freight container positioning guide rail and bulkhead, another side of adapter plate is provided with teeth groove, limit sliding chutes is formed between the positive stop strip of adapter plate both sides and adapter plate and guide rail bracket, described bracket support drive box comprises a thick wall shell, lifter wheel is provided with in housing, the rotating shaft of lifter wheel is vertical with bracket supporting elevation guide rail, the two ends of rotating shaft are rotatably positioned on the both sides side plate of housing, the bracket supporting elevation motor that lifter wheel is controlled by control setup is by worm drive and engage with teeth groove, described worm screw and bracket supporting elevation guide rail parallel, the two ends up and down of worm screw are rotatably positioned on the top board and base plate of housing, near the adapter plate direction extension formation of housing both sides side plate bending to bracket supporting elevation guide rail and the positioning plate of described limit sliding chutes adaptation of guide rail bracket, upwards bending is L-shaped near one end of bracket supporting elevation guide rail for top board, bracket supports to be fixed by upper pivot connecting seat and lower pivot connecting seat and top board.
The present invention arranges bracket supporting elevation guide rail on guide rail bracket, bracket supporting elevation guide rail is arranged bracket support drive box, bracket supports and is then fixed on bracket support drive box, bracket support drive box has a thick wall shell, in housing, lifter wheel is set, worm drive is passed through by bracket supporting elevation motor in the side of lifter wheel, the opposite side of lifter wheel engages with teeth groove, because the limit sliding chutes in the side plate bending of housing both sides and bracket supporting elevation guide rail forms spacing relation, bracket support drive box cannot move in the horizontal direction, namely the meshing relation of lifter wheel and teeth groove cannot be removed, lifter wheel cannot leave teeth groove, therefore during bracket supporting elevation electric machine rotation, worm screw is rotated and drives lifter wheel to rotate, bracket support drive box can only along bracket supporting elevation lifting rail, and then reach the object driving bracket supporting elevation.And when the weight of freight container is born in bracket support, the weight of freight container makes bracket support drive box have the trend moved down, namely there is rotation trend in lifter wheel, but because lifter wheel cannot rotate by worm screw restriction, and the limit sliding chutes on the positioning plate that the side plate of housing both sides extends to form and bracket supporting elevation guide rail forms spacing relation, bracket support drive box cannot be deviate from from bracket supporting elevation guide rail, therefore, the weight of freight container passes through the housing of bracket support drive box, lifter wheel is delivered on bracket supporting elevation guide rail, thus make bracket support drive box can bear very large vertical pressure, the present invention adopts thick wall shell to be exactly the structural strength guaranteeing bracket support drive box.In addition, bracket supporting elevation box of the present invention is when being elevated, it is be in light condition that bracket supports, therefore bracket supporting elevation motor only need have and drives the power of bracket supporting elevation box and bracket supporting elevation just can meet the demands, the Container Weight that bracket supporting elevation box bears and bracket supporting elevation motor irrelevant.During the actual use of the present invention, four bracket supporting elevation motors synchronously drive the lifting of bracket supporting elevation box under control of the control means, four brackets are supported be in all the time on sustained height, guarantee that the freight container put into is in horizontality, the bulkhead track bracket Support Position that this addresses the problem prior art is fixed, and easily causes the problem of cabin space waste.
As preferably, teeth groove U-shaped profile, described lifter wheel comprises two turbines be axially set up in parallel, connected along turbine circumference well-distributed cylindrical connecting rods by many between two turbines, the length of connecting rod and the thickness of adapter plate suitable, connecting rod and tooth socket fit form the engaging piece of lifter wheel and teeth groove, and described worm screw is two, engage with two turbines respectively, two worm screws are synchronously driven by drive wheel by bracket supporting elevation motor.Although drive single gear or turbine also can reach the object of bracket supporting elevation box lifting by single worm screw, but consider that bracket supporting elevation box needs to support very large weight, single worm screw drives single gear or the less stable of turbine, therefore the present invention adopts two turbines be axially set up in parallel, connected by cylindrical connecting rods between two turbines, two turbines respectively with two worm meshs, two worm screws are then synchronously driven by drive wheel by bracket supporting elevation motor, in a structure of the in-vention, cylindrical connecting rods and tooth socket fit form the engaging piece of lifter wheel and teeth groove, this engagement system is equivalent in U-shaped teeth groove, arrange the shorter cylindrical connecting rods of length for load-bearing, therefore very large power can be born between lifter wheel and teeth groove, the needs of support set vanning can be met.Meanwhile, owing to adopting two worm meshs and driving two turbines, structurally have symmetry, therefore stability is very high, can meet stability requirement during support set vanning.The circumcircle diameter formed due to the lateral surface of all connecting rods in turbine radial direction is less than turbine diameter, therefore when connecting rod engages with teeth groove, the turbine of both sides is positioned at the both sides of bracket supporting elevation guide rail upper mounted plate, which limit sliding axially of lifter wheel, and when bracket supporting elevation box is elevated, there is directional tagging.
As preferably, the range that bracket supports is 55% to 65% of container height, and it is 30% of container height that bracket supports with the minor increment of upper cylinder.Because upper cylinder is in the top of bracket support all the time, therefore be elevated in the certain limit of bracket supporting elevation box of the present invention just below upper cylinder, the range that usual bracket supports is that 55% to 65% of container height just can meet the demands, and bracket supports and the minor increment of upper cylinder is 30% of container height, then guarantee there is certain distance between bracket support and jacking block, position due to upper cylinder is fixing, and the position be normally arranged near container top, when bracket supports rising, the distance that bracket supports between upper cylinder diminishes, in order to ensure the fixed effect of the jacking block on upper cylinder piston to freight container, the distance that bracket supports between upper cylinder can not be too little, otherwise jacking block is deteriorated to the fixation of freight container, the object of fixed set vanning cannot be reached.
As preferably, the freight container positioning guide rail that second layer bracket supports below is provided with blade fin, the upper end of this section of freight container positioning guide rail is provided with the guide part to bulkhead lateral bend, described blade fin is connected and composed successively by 2-4 guidance set, the cross-sectional plane of described guidance set is L-shaped, by respectively with the left skateboard of two medial surface bearing fits of freight container positioning guide rail and right slide plate is hinged forms, left skateboard is provided with the roller slot vertical with freight container positioning guide rail with the one side of right slide plate object container positioning guide rail, roller is provided with in roller slot, the outer ledge of left skateboard and right slide plate is bent to form the positioning groove with freight container positioning guide rail outer rim adaptation, be hinged by the slide plate near bulkhead between adjacent two guidance sets, be positioned at the left skateboard of blade fin guidance set bottom and right slide plate lower end and form fan-shaped support plate to bending inside freight container positioning guide rail, on the opposite face of left skateboard and right slide plate and freight container positioning guide rail and the upper surface of fan-shaped support plate be all embedded with magnet.Here " support of second layer bracket " refers to that supporting this adjacent one deck bracket with orlop bracket supports, and on this section of freight container positioning guide rail, arrange blade fin, is to consider that the frequency of utilization of this section of freight container positioning guide rail is usually the highest.Rolling connection mode is adopted between blade fin and freight container positioning guide rail, under magnet effect on the opposite face of left skateboard and right slide plate and freight container positioning guide rail, on the freight container positioning guide rail that blade fin can be adsorbed on angle steel material and can not landing voluntarily.Top due to this section of freight container positioning guide rail is provided with the guide part to bulkhead lateral bend, and blade fin of the present invention is formed by multiple guidance set is hinged successively, can bend to a certain extent, therefore blade fin is located on the guide part of freight container positioning guide rail in an initial condition, when container crane is fashionable, the bottom contact blade fin of freight container, owing to being friction of rolling between blade fin and freight container positioning guide rail, its friction force is less, therefore be conducive to freight container and enter freight container positioning guide rail smoothly, increase work efficiency, same blade fin is also conducive to freight container and hangs out in freight container positioning guide rail.Because the fan-shaped support plate upper surface of blade fin is embedded with magnet, and this magnet can directly contact with the container base of steel and adsorb, when freight container hangs out in freight container positioning guide rail, because the adsorption affinity between blade fin and container base is greater than the adsorption affinity between blade fin and freight container positioning guide rail, therefore blade fin can together rise in follow set vanning, when blade fin arrives the guide part on freight container positioning guide rail, subject container positioning guide rail is to the structure influence of bulkhead lateral bend, the top of blade fin turns to bulkhead side, because blade fin is subject to the constraint of freight container positioning guide rail, therefore cannot continue to move up, blade fin rests on the guide part of freight container positioning guide rail, wait for that the freight container of next time hangs in.The present invention arranges blade fin on freight container positioning guide rail, solves in prior art and there is larger friction between freight container and freight container positioning guide rail, and the problem that container hanging is wasted time and energy improves the work efficiency of container hanging effectively.Left skateboard on blade fin of the present invention and right slide plate are by hinged interconnective, this structure has larger comformability, can ensure that blade fin slides smoothly at freight container positioning guide rail, also facilitate the assembling of blade fin on freight container positioning guide rail or dismounting simultaneously.Just for convenience, in fact because freight container positioning guide rail one has four, symmetrical structure centered by four freight container positioning guide rails, two pieces of slide plates therefore on blade fin are also difficult to determine left-right relation for left skateboard described here and right slide plate.In addition, when the inner side of freight container positioning guide rail arranges blade fin, jacking block is positioned at the side of freight container positioning guide rail, freight container positioning guide rail is not arranged the opening with jacking block adaptation, to guarantee that blade fin slides smoothly on freight container positioning guide rail.
It should be noted that, emphasis statement above be that bracket on a freight container positioning guide rail supports and accessory structure, and in fact freight container positioning guide rail one has four, symmetrical structure centered by four freight container positioning guide rails, its bracket supports and accessory structure is also correspondingly four groups, is centrosymmetric and arranges and synchronous working under the control of the controller.
The invention has the beneficial effects as follows, the freight container that it efficiently solves prior art is easily shifted and affects freight container locating effect or cause the problem of bulkhead rail damage, the bulkhead track bracket Support Position simultaneously also solving prior art is fixed, easily cause the problem of cabin space waste, freight container positioning guide rail device of the present invention can fixed set be cased easily, by the space availability ratio regulating bracket bearing height to improve cabin, container hanging efficiency is high, has very high practical value.
Accompanying drawing explanation
Fig. 1 is a kind of initial condition structural representation of seatainer positioning guide rail device of the present invention;
Fig. 2 is a kind of working state structure schematic diagram of seatainer positioning guide rail device of the present invention;
Fig. 3 is a kind of initial condition birds-eye view of seatainer positioning guide rail device of the present invention;
Fig. 4 is a kind of mode of operation birds-eye view of seatainer positioning guide rail device of the present invention;
Fig. 5 is the another kind of structural representation of seatainer positioning guide rail device of the present invention;
Fig. 6 is a kind of structural representation of seatainer positioning guide rail device guiding slide plate of the present invention;
Fig. 7 is the birds-eye view of Fig. 6;
Fig. 8 is a kind of position relationship schematic diagram of seatainer positioning guide rail device guiding slide plate of the present invention and freight container positioning guide rail;
Fig. 9 is the another kind of position relationship schematic diagram of seatainer positioning guide rail device guiding slide plate of the present invention and freight container positioning guide rail;
Figure 10 is the birds-eye view of Fig. 5;
Figure 11 is the another kind of mode of operation birds-eye view of seatainer positioning guide rail device of the present invention;
Figure 12 is a kind of structure cutaway view of seatainer positioning guide rail device bracket support drive box of the present invention;
Figure 13 is a kind of position relationship schematic diagram that seatainer positioning guide rail device same layer of the present invention four brackets support;
Figure 14 is the multilayer bracket supporting construction schematic diagram on seatainer positioning guide rail device one wing bulkhead of the present invention.
In figure: 1. freight container positioning guide rail, 2. guide rail bracket, 3. bracket supports, 4. drive-connecting shaft, 5. pivot connecting seat on supporter 6., 7. descend pivot connecting seat, 8. play oil cylinder, 9. descend oil cylinder piston, 10. back-up block, 11. bulkheads, 12. upper cylinders, 13. upper cylinder pistons, 14. jacking blocks, 15. extension springs, 16. oil ducts, 17. bracket support rotating motors, 18. energy storage tanks, 19. blowdown valves, 20. check valves, 21. rollers, 22. interface 23. hydraulic hoses, 24. hermetically-sealed constructions, 25. cushion chambers, 26. center links, 27. stage clips, 28. centre holes, 29. bracket supporting elevation guide rails, 30. bracket support drive boxes, 31. adapter plates, 32. positive stop strips, 33. teeth groove, 34. limit sliding chutes, 35. turbines, 36. side plates, 37. bracket supporting elevation motors, 38. worm screws, 39. top boards, 40. base plates, 41. positioning plates, 42. connecting rods, 43. drive wheels, 44. left skateboards, 45. right slide plates, 46. positioning grooves, 47. fan-shaped support plates, 48. magnet, 49. guide parts.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings the detailed description of the invention of technical solution of the present invention is further described.
Embodiment 1
In the embodiment 1 shown in Figure 14, a kind of seatainer positioning guide rail device, be arranged on the bulkhead of multi purpose ship, comprise four and be fixed on strip guide rail bracket on bulkhead and vertical with cabin base plate, it is parallel with guide rail bracket away from the side of bulkhead that the L-shaped freight container positioning guide rail 1 of cross-sectional plane is fixed on guide rail bracket, each guide rail bracket 2 is equipped with 3 brackets and supports 3, bracket on four guide rail brackets supports the supporting construction forming and can support 3 layers of freight container, bracket for supporting same freight container on different guide rail bracket supports and is arranged on sustained height, spacing distance between upper and lower two brackets support is greater than the height of a freight container, described bracket supports the supporter 5(comprising the drive-connecting shaft 4 parallel with guide rail bracket and be arranged on drive-connecting shaft side and sees Fig. 1), the two ends up and down of drive-connecting shaft connect pivot connecting seat 6 and lower pivot connecting seat 7 respectively, upper pivot connecting seat and lower pivot connecting seat are connected with guide rail bracket, the lower oil cylinder 8 that axis is parallel with guide rail bracket is provided with in described supporter, be connected with back-up block 10 by buffer gear with lower oil cylinder piston 9 upper end of lower oil cylinder adaptation, buffer gear comprises the cushion chamber 25 be arranged in back-up block, is provided with center link 26 in cushion chamber, center link is arranged with stage clip 27, and lower oil cylinder piston top is provided with the centre hole 28 with center link adaptation, and the lower end of described center link is arranged in centre hole, back-up block is rectangular structure, and the upper surface of back-up block is provided with roller slot, and when bracket supports in running order, described roller slot is parallel with bulkhead face, is provided with roller 21 in roller slot.The bulkhead 11 that each bracket supports top is provided with the axis upper cylinder vertical with bulkhead face 12, the bracket spacing distance supported between upper cylinder is less than the height of a freight container, jacking block 14 is connected with the outer end of the upper cylinder piston 13 of upper cylinder adaptation, extension spring 15 is provided with between jacking block and upper cylinder, the cross-sectional area of lower oil cylinder cylinder holes is greater than the cross-sectional area of upper cylinder cylinder holes, the bottom of lower oil cylinder is communicated with upper cylinder by conduit under fluid pressure, described conduit under fluid pressure comprises the oil duct 16 be arranged in bracket support, the outer peripheral face of drive-connecting shaft lower end is provided with endless oil groove, oil duct passes through drive-connecting shaft, endless oil groove, lower pivot connecting seat is communicated with the interface 22 be arranged on outside lower pivot connecting seat, interface is connected with upper cylinder by hydraulic hose 23, be provided with hermetically-sealed construction 24 between pivot connecting seat and drive-connecting shaft down.Freight container positioning guide rail is provided with the opening with described jacking block adaptation, when upper cylinder piston stretches out, the lateral surface of jacking block protrudes from the orbital plane (see Fig. 2, Fig. 4) of freight container positioning guide rail near bulkhead, when upper cylinder piston is retracted, the lateral surface position of jacking block and freight container positioning guide rail near bulkhead orbital plane at grade (see Fig. 1, Fig. 3).The drive-connecting shaft that described bracket supports is connected with bracket support rotating motor 17 by transmission device, described seatainer positioning guide rail device also comprises control setup, described control setup connects bracket support rotating motor, and the bracket on different guide rail bracket sustained height supports synchronization action.The conduit under fluid pressure of the present embodiment is connected with pressure relief device, pressure relief device comprises an energy storage tank 18, be connected with blowdown valve 19 and check valve 20 between energy storage tank and conduit under fluid pressure, on the bulkhead that energy storage tank is fixed on upper cylinder side or guide rail bracket, the present embodiment is arranged on bulkhead.
When needs use bracket to support, bracket support rotating electric machine rotation drives bracket support rotating, the supporter that four of same layer brackets are supported and the back-up block be located at above supporter protrude from the orbital plane of freight container positioning guide rail, the supporter then being made by bracket support rotating bracket support when supporting without the need to using bracket and the back-up block be located at above supporter are positioned at outside the orbital plane of freight container positioning guide rail, impact cargo handing in order to avoid bracket supports.In an initial condition, jacking block is subject to the pulling force effect of extension spring, and upper cylinder piston is retracted, and because lower oil cylinder is communicated with by conduit under fluid pressure with upper cylinder, the hydraulic oil in upper cylinder is pressed into lower oil cylinder, and lower oil cylinder piston stretches out, and back-up block rises.When the container base lifted contacts with back-up block, back-up block is depressed together with the lower oil cylinder piston be connected with back-up block by the weight of freight container, lower in-oil cylinder oil pressure is greater than the oil pressure of upper cylinder, lower in-oil cylinder hydraulic oil is pressed into upper cylinder, upper cylinder piston is ejected, the jacking block of upper cylinder piston outer end is driven to move in freight container positioning guide rail and extrude the sidewall of freight container, when back-up block is depressed completely, four jacking blocks in freight container four bights reach maxim to freight container squeese pressure, four jacking blocks withstand the bight of freight container to greatest extent, thus reach fixed set vanning, prevent the object that freight container is shifted.
Embodiment 2
The bracket of embodiment 2 supports and is arranged on (see figure 5) on guide rail bracket by synchronization lifting mechanism, described lifting mechanism comprises the bracket support drive box 30 being arranged on bracket supporting elevation guide rail 29 on guide rail bracket and parallel with guide rail bracket and being arranged on bracket supporting elevation guide rail, bracket support drive box entirety is L-shaped, the cross-sectional plane of bracket supporting elevation guide rail is that criss-cross is (see Figure 10, Figure 11), comprise adapter plate 31 and be symmetricly set on the positive stop strip 32 of adapter plate both sides, one side of adapter plate is fixed on the guide rail bracket between freight container positioning guide rail and bulkhead, another side of adapter plate is provided with teeth groove 33, limit sliding chutes 34 is formed between the positive stop strip of adapter plate both sides and adapter plate and guide rail bracket, described bracket support drive box comprises a thick wall shell, lifter wheel is provided with in housing, the rotating shaft of lifter wheel is vertical with bracket supporting elevation guide rail, the two ends of rotating shaft are rotatably positioned on the both sides side plate 36 of housing, the bracket supporting elevation motor 37 that lifter wheel is controlled by control setup is driven by worm screw 38 and engages with teeth groove, described worm screw and bracket supporting elevation guide rail parallel, the two ends up and down of worm screw are rotatably positioned on the top board 39 and base plate 40 of housing, near the adapter plate direction extension formation of housing both sides side plate bending to bracket supporting elevation guide rail and the positioning plate 41 of described limit sliding chutes adaptation of guide rail bracket, upwards bending is L-shaped near one end of bracket supporting elevation guide rail for top board, bracket supports to be fixed by upper pivot connecting seat and lower pivot connecting seat and top board.
The teeth groove U-shaped profile of the present embodiment, described lifter wheel comprises two turbines 35 be axially set up in parallel, connected along turbine circumference well-distributed cylindrical connecting rods 42 by many between two turbines, the length of connecting rod and the thickness of adapter plate suitable, connecting rod and tooth socket fit form the engaging piece of lifter wheel and teeth groove, described worm screw is two, engages respectively with two turbines, and two worm screws synchronously drive (see Figure 12) by bracket supporting elevation motor by drive wheel 43; The range that bracket supports is 60% of container height, and it is 30% of container height that bracket supports with the minor increment of upper cylinder, and all the other are identical with embodiment 1.
The present invention arranges bracket supporting elevation guide rail on guide rail bracket, bracket supporting elevation guide rail is arranged bracket support drive box, bracket supports and is then fixed on bracket support drive box, bracket support drive box has a thick wall shell, in housing, lifter wheel is set, worm drive is passed through by bracket supporting elevation motor in the side of lifter wheel, the opposite side of lifter wheel engages with teeth groove, because the limit sliding chutes in the side plate bending of housing both sides and bracket supporting elevation guide rail forms spacing relation, bracket support drive box cannot move in the horizontal direction, namely the meshing relation of lifter wheel and teeth groove cannot be removed, lifter wheel cannot leave teeth groove, therefore during bracket supporting elevation electric machine rotation, worm screw is rotated and drives lifter wheel to rotate, bracket support drive box can only along bracket supporting elevation lifting rail, and then reach the object driving bracket supporting elevation.The structure of the present embodiment is when reality uses, four bracket supporting elevation motors of same layer synchronously drive bracket supporting elevation box lifting (see Figure 13) under control of the control means, four of same layer brackets are supported be in all the time on sustained height, guarantee that the freight container put into is in horizontality, the bulkhead track bracket Support Position that this addresses the problem prior art is fixed, and easily causes the problem of cabin space waste.
Embodiment 3
The freight container positioning guide rail of the second layer bracket support below of embodiment 3 is provided with blade fin, the upper end of this section of freight container positioning guide rail is provided with the guide part 49 to bulkhead lateral bend, described blade fin is connected and composed successively by 2-4 guidance set, the present embodiment is 3 (see figure 6)s, the cross-sectional plane of described guidance set is L-shaped, by forming with right slide plate 45 is hinged with the left skateboard 44 of two medial surface bearing fits of freight container positioning guide rail respectively, left skateboard is provided with the roller slot vertical with freight container positioning guide rail with the one side of right slide plate object container positioning guide rail, roller is provided with in roller slot, the outer ledge of left skateboard and right slide plate is bent to form the positioning groove 46 with freight container positioning guide rail outer rim adaptation, be hinged by the slide plate near bulkhead between adjacent two guidance sets, be positioned at the left skateboard of blade fin guidance set bottom and right slide plate lower end and form fan-shaped support plate 47 to bending inside freight container positioning guide rail, on the opposite face of left skateboard and right slide plate and freight container positioning guide rail and the upper surface of fan-shaped support plate be all embedded with magnet 48.(see Fig. 7, Fig. 8).The jacking block of the present embodiment is arranged at the inner side (see Figure 11) of freight container positioning guide rail, freight container positioning guide rail is not arranged the opening with jacking block adaptation, to guarantee that blade fin slides smoothly on freight container positioning guide rail.All the other are identical with embodiment 1 or embodiment 2.
Top due to this section of freight container positioning guide rail is provided with the guide part 49 to bulkhead lateral bend, and blade fin of the present invention is formed by multiple guidance set is hinged successively, can bend to a certain extent, therefore in an initial condition blade fin be located in freight container positioning guide rail guide part on (see figure 9), when container crane is fashionable, the bottom contact blade fin of freight container, owing to being friction of rolling between blade fin and freight container positioning guide rail, its friction force is less, therefore be conducive to freight container and enter freight container positioning guide rail smoothly, increase work efficiency, same blade fin is also conducive to freight container and hangs out in freight container positioning guide rail.Because the fan-shaped support plate upper surface of blade fin is embedded with magnet, and this magnet can directly contact with the container base of steel and adsorb, when freight container hangs out in freight container positioning guide rail, because the adsorption affinity between blade fin and container base is greater than the adsorption affinity between blade fin and freight container positioning guide rail, therefore blade fin can together rise in follow set vanning, when blade fin arrives freight container positioning guide rail upper, open end, subject container positioning guide rail affects to the guide part of bulkhead lateral bend, the top of blade fin turns to bulkhead side, because blade fin is subject to the constraint of freight container positioning guide rail, therefore cannot continue to move up, blade fin rests on the guide part of freight container positioning guide rail, wait for that the freight container of next time hangs in.The present invention arranges blade fin on freight container positioning guide rail, solves in prior art and there is larger friction between freight container and freight container positioning guide rail, and the problem that container hanging is wasted time and energy improves the work efficiency of container hanging effectively.
In addition to the implementation; in the scope disclosed in claims of the present invention and specification sheets; technical characteristic of the present invention or technical data can carry out reselecting and combining; thus form new embodiment; the embodiment that these the present invention do not describe in detail is that those skilled in the art just can realize easily without the need to creative work, and therefore these embodiments do not described in detail also should be considered as specific embodiments of the invention and within protection scope of the present invention.
Claims (10)
1. a seatainer positioning guide rail device, be arranged on the bulkhead of multi purpose ship, comprise four and be fixed on strip guide rail bracket on bulkhead and vertical with cabin base plate, it is parallel with guide rail bracket away from the side of bulkhead that the L-shaped freight container positioning guide rail (1) of cross-sectional plane is fixed on guide rail bracket, it is characterized in that, each guide rail bracket (2) is equipped with 2-4 bracket and supports (3), bracket on four guide rail brackets supports the supporting construction forming and can support layer 2-4 freight container, bracket for supporting same freight container on different guide rail bracket supports and is arranged on sustained height, spacing distance between upper and lower two brackets support is greater than the height of a freight container, described bracket supports the supporter (5) comprising the drive-connecting shaft (4) parallel with guide rail bracket and be arranged on drive-connecting shaft side, the two ends up and down of drive-connecting shaft connect pivot connecting seat (6) and lower pivot connecting seat (7) respectively, upper pivot connecting seat and lower pivot connecting seat are connected with guide rail bracket, the lower oil cylinder (8) that axis is parallel with guide rail bracket is provided with in described supporter, be connected with back-up block (10) by buffer gear with lower oil cylinder piston (9) upper end of lower oil cylinder adaptation, the bulkhead (11) that each bracket supports top is provided with the axis upper cylinder vertical with bulkhead face (12), the bracket spacing distance supported between upper cylinder is less than the height of a freight container, jacking block (14) is connected with the outer end of the upper cylinder piston (13) of upper cylinder adaptation, extension spring (15) is provided with between jacking block and upper cylinder, the bottom of lower oil cylinder is communicated with upper cylinder by conduit under fluid pressure, the drive-connecting shaft that described bracket supports is connected with bracket support rotating motor (17) by transmission device, described seatainer positioning guide rail device also comprises control setup, described control setup connects bracket support rotating motor, bracket on different guide rail bracket sustained height supports synchronization action.
2. seatainer positioning guide rail device according to claim 1, it is characterized in that, described conduit under fluid pressure is connected with pressure relief device, pressure relief device comprises an energy storage tank (18), blowdown valve (19) and check valve (20) is connected with, on the bulkhead that energy storage tank is fixed on upper cylinder side or guide rail bracket between energy storage tank and conduit under fluid pressure.
3. seatainer positioning guide rail device according to claim 1, it is characterized in that, freight container positioning guide rail is provided with the opening with described jacking block adaptation, when upper cylinder piston stretches out, the lateral surface of jacking block protrudes from the orbital plane of freight container positioning guide rail near bulkhead, when upper cylinder piston is retracted, the lateral surface position of jacking block and freight container positioning guide rail near bulkhead orbital plane at grade.
4. seatainer positioning guide rail device according to claim 1, is characterized in that, back-up block is rectangular structure, the upper surface of back-up block is provided with roller slot, when bracket supports in running order, described roller slot is parallel with bulkhead face, is provided with roller (21) in roller slot.
5. seatainer positioning guide rail device according to claim 1, it is characterized in that, bracket is provided with oil duct (16) in supporting, the outer peripheral face of drive-connecting shaft lower end is provided with endless oil groove, oil duct is communicated with the interface be arranged on outside lower pivot connecting seat (22) by drive-connecting shaft, endless oil groove, lower pivot connecting seat, interface is connected with upper cylinder by hydraulic hose (23), is provided with hermetically-sealed construction (24) between pivot connecting seat and drive-connecting shaft down.
6. seatainer positioning guide rail device according to claim 1, it is characterized in that, described buffer gear comprises the cushion chamber (25) be arranged in back-up block, center link (26) is provided with in cushion chamber, center link is arranged with stage clip (27), lower oil cylinder piston top is provided with and the centre hole of center link adaptation (28), and the lower end of described center link is arranged in centre hole.
7. seatainer positioning guide rail device according to claim 1, is characterized in that, the cross-sectional area of lower oil cylinder cylinder holes is greater than the cross-sectional area of upper cylinder cylinder holes.
8. seatainer positioning guide rail device according to claim 1, it is characterized in that, described bracket supports and is arranged on guide rail bracket by synchronization lifting mechanism, described lifting mechanism comprises the bracket support drive box (30) being arranged on bracket supporting elevation guide rail (29) on guide rail bracket and parallel with guide rail bracket and being arranged on bracket supporting elevation guide rail, bracket support drive box entirety is L-shaped, the cross-sectional plane of bracket supporting elevation guide rail is criss-cross, comprise adapter plate (31) and be symmetricly set on the positive stop strip (32) of adapter plate both sides, one side of adapter plate is fixed on the guide rail bracket between freight container positioning guide rail and bulkhead, another side of adapter plate is provided with teeth groove (33), limit sliding chutes (34) is formed between the positive stop strip of adapter plate both sides and adapter plate and guide rail bracket, described bracket support drive box comprises a thick wall shell, lifter wheel is provided with in housing, the rotating shaft of lifter wheel is vertical with bracket supporting elevation guide rail, the two ends of rotating shaft are rotatably positioned on the both sides side plate (36) of housing, the bracket supporting elevation motor (37) that lifter wheel is controlled by control setup is driven by worm screw (38) and engages with teeth groove, described worm screw and bracket supporting elevation guide rail parallel, the two ends up and down of worm screw are rotatably positioned on the top board (39) and base plate (40) of housing, near the adapter plate direction extension formation of housing both sides side plate bending to bracket supporting elevation guide rail and the positioning plate (41) of described limit sliding chutes adaptation of guide rail bracket, upwards bending is L-shaped near one end of bracket supporting elevation guide rail for top board, bracket supports to be fixed by upper pivot connecting seat and lower pivot connecting seat and top board.
9. seatainer positioning guide rail device according to claim 8, it is characterized in that, described teeth groove U-shaped profile, described lifter wheel comprises two turbines (35) be axially set up in parallel, connected along turbine circumference well-distributed cylindrical connecting rods (42) by many between two turbines, the length of connecting rod and the thickness of adapter plate suitable, connecting rod and tooth socket fit form the engaging piece of lifter wheel and teeth groove, described worm screw is two, engage with two turbines respectively, two worm screws are synchronously driven by drive wheel (43) by bracket supporting elevation motor, the range that bracket supports is 55% to 65% of container height, and it is 30% of container height that bracket supports with the minor increment of upper cylinder.
10. the seatainer positioning guide rail device according to claim 1 or 2 or 4 or 5 or 6 or 7 or 8 or 9, it is characterized in that, the freight container positioning guide rail that second layer bracket supports below is provided with blade fin, the upper end of this section of freight container positioning guide rail is provided with the guide part (49) to bulkhead lateral bend, described blade fin is connected and composed successively by 2-4 guidance set, the cross-sectional plane of described guidance set is L-shaped, by forming with right slide plate (45) is hinged with the left skateboard (44) of two medial surface bearing fits of freight container positioning guide rail respectively, left skateboard is provided with the roller slot vertical with freight container positioning guide rail with the one side of right slide plate object container positioning guide rail, roller is provided with in roller slot, the outer ledge of left skateboard and right slide plate is bent to form the positioning groove (46) with freight container positioning guide rail outer rim adaptation, be hinged by the slide plate near bulkhead between adjacent two guidance sets, be positioned at the left skateboard of blade fin guidance set bottom and right slide plate lower end and form fan-shaped support plate (47) to bending inside freight container positioning guide rail, on the opposite face of left skateboard and right slide plate and freight container positioning guide rail and the upper surface of fan-shaped support plate be all embedded with magnet (48).
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| CN201410338822.0A CN105015713B (en) | 2014-07-16 | 2014-07-16 | Container positioning guide rail device for ships |
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| CN201410338822.0A CN105015713B (en) | 2014-07-16 | 2014-07-16 | Container positioning guide rail device for ships |
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| CN105015713B CN105015713B (en) | 2017-04-19 |
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| CN201410338822.0A Expired - Fee Related CN105015713B (en) | 2014-07-16 | 2014-07-16 | Container positioning guide rail device for ships |
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| CN104149943A (en) * | 2014-07-16 | 2014-11-19 | 浙江海洋学院 | Multipurpose ship with container positioning guide rail devices |
| CN109823481A (en) * | 2019-03-16 | 2019-05-31 | 陆玉琴 | A kind of international carriage safety management transportation resources |
| CN111039139A (en) * | 2019-10-29 | 2020-04-21 | 舟山长宏国际船舶修造有限公司 | Simple 450-ton hanging row |
| CN111498050A (en) * | 2020-05-12 | 2020-08-07 | 浙江海洋大学 | Jig frame device for manufacturing container ship guide rail frame |
| CN111559474A (en) * | 2020-05-12 | 2020-08-21 | 浙江海洋大学 | Manufacturing method of container ship guide rail frame |
| CN112572694A (en) * | 2020-12-14 | 2021-03-30 | 舟山长宏国际船舶修造有限公司 | Quick no sign indicating number assembly fixture of guide rail |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104149943A (en) * | 2014-07-16 | 2014-11-19 | 浙江海洋学院 | Multipurpose ship with container positioning guide rail devices |
| CN109823481A (en) * | 2019-03-16 | 2019-05-31 | 陆玉琴 | A kind of international carriage safety management transportation resources |
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| CN111559474A (en) * | 2020-05-12 | 2020-08-21 | 浙江海洋大学 | Manufacturing method of container ship guide rail frame |
| CN111559474B (en) * | 2020-05-12 | 2021-05-14 | 浙江海洋大学 | Manufacturing method of container ship guide rail frame |
| CN111498050B (en) * | 2020-05-12 | 2021-05-14 | 浙江海洋大学 | Jig frame device for manufacturing container ship guide rail frame |
| CN112572694A (en) * | 2020-12-14 | 2021-03-30 | 舟山长宏国际船舶修造有限公司 | Quick no sign indicating number assembly fixture of guide rail |
| CN112572694B (en) * | 2020-12-14 | 2022-06-14 | 舟山长宏国际船舶修造有限公司 | Quick no sign indicating number assembly fixture of guide rail |
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| CN105015713B (en) | 2017-04-19 |
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