CN203065953U - Automatic-compensation telescopic trestle - Google Patents
Automatic-compensation telescopic trestle Download PDFInfo
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- CN203065953U CN203065953U CN 201320064021 CN201320064021U CN203065953U CN 203065953 U CN203065953 U CN 203065953U CN 201320064021 CN201320064021 CN 201320064021 CN 201320064021 U CN201320064021 U CN 201320064021U CN 203065953 U CN203065953 U CN 203065953U
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Abstract
The utility model discloses an automatic-compensation telescopic trestle which comprises a bridge frame structure, a trolley, a trolley walking structure, a control system, a trestle lifting structure, a cross axle structure and a cardan joint structure, wherein the trolley walking structure comprises trolley tracks, a front walking winch, a rear walking winch and rolling wheels, the front walking winch and the rear walking winch are arranged at two ends of the trolley, and the rolling wheels are arranged at the bottom of the trolley and are matched with the trolley tracks; the cross axle structure is arranged in the front of the trolley; the front end of the bridge frame structure is connected with the cross axle structure, and the cardan joint structure is arranged at the other end of the bridge frame structure; and the trestle lifting structure comprises a lifting winch, a fixed truss, a hinged truss, a middle truss, a truss pulley block and a steel cable, and the steel cable is led out of the trestle lifting structure through the winches. The automatic-compensation telescopic trestle can overcome the defects that people shuttling between the current shuttle tug and a fixed platform is in danger and the transport efficiency is low, forms a safe and efficient people shuttling channel between the tug and the fixed platform, and is particularly suitable for people shuttling between a self-propelled life support vessel and a fixed oil platform.
Description
Technical field
The utility model relates to a kind of trestle, relates in particular to the telescopic trestle of a kind of automatic compensation.
Background technology
At present, life is supported ship and fixedly mostly is the tugboat that shuttles back and forth between the oil platform to carry out operating personnel's transportation.Mainly be to adopt small-sized shuttle back and forth tugboat and fixedly oil platform alongside, by the platform cage operating personnel is winched on the tugboat that shuttles back and forth in batches, the tugboat that will shuttle back and forth again sails for life and supports ship, is transported to life by the cage on the life support ship or side of a ship goalkeeper personnel and supports on the ship.Shuttle back and forth conveying that tugboat carries out personnel of employing is subjected to oceanic winds, wave, stream ambient influnence very big, and the alongside success rate is low, and there is very big risk in personnel's handling of adopting cage to carry out between tugboat and the platform, and personnel's transfer efficiency is very low.
The utility model content
At above-mentioned prior art, the utility model provides a kind of automatic compensation telescopic trestle, can overcome the existing personnel that shuttle back and forth between towboat and the fixed platform shuttles back and forth and has risk and the low defective of transfer efficiency, between ship and fixed platform, formed a kind of not only safety but also personnel's passage that shuttles back and forth efficiently, be specially adapted to support from the life of the ability of navigating ship and fixedly the operating personnel between the oil platform shuttle back and forth.
In order to solve the problems of the technologies described above, the technical scheme that the telescopic trestle of a kind of automatic compensation of the utility model is achieved is: comprise portal structure, chassis, trolley running structure, control system, trestle lifting structure, cross axle structure and gimbal structure; Described trolley running structure comprises and is arranged on pallet bottom and is fixed on trolley track on the boat deck, walking winch and back walking winch before the rear and front end of described chassis is provided with respectively, be connected with carrying cable respectively between the fixed point between the fixed point on described back walking winch and the hull, on described preceding walk winch and the boat deck, the bottom of described chassis is provided with the scroll wheel that cooperates with trolley track; The front portion of described chassis also is provided with the cross axle structure; Described portal structure comprises the framework that is made of steel pipe, described framework is equipped with walks on stage, and the top of described framework is provided with the crane span structure assembly pulley, and an end of described framework is provided with the connection otic placode, described connection otic placode is connected with described cross axle structure, and the other end of described framework is provided with gimbal structure; Described cross axle structure comprises the axle bed that is fixed on the chassis, and described axle bed is provided with the hinged transverse axis of cross and vertical pivot, and the connection otic placode in the described portal structure is connected with described transverse axis; Described gimbal structure comprises the vertical pivot that has bulb that is connected with framework in the portal structure, and described bulb is inlaid in the recessed formula axle bowl, and the bottom of described recessed formula axle bowl is provided with supporting station, and the bottom of described supporting station is provided with roller; Described trestle lifting structure comprises the hauling winch that is arranged on the chassis, chassis is provided with two fixedly truss and hinged trusses, two fixedly the top of truss intersect, be provided with an assembly pulley in this joining, described hinged truss and wherein one fixedly be provided with intermediate truss between the truss, the free end of described hinged truss is provided with the truss assembly pulley; Also comprise a wire hawser, an end and the described hauling winch of described wire hawser are fixed, and the other end of described wire hawser is fixed with the free end of described hinged truss after walking around assembly pulley, truss assembly pulley and crane span structure assembly pulley successively.
Compared with prior art, the beneficial effects of the utility model are:
(1) is mounted between ship and the fixed platform owing to the utility model trestle, two parallel trolley tracks are set in the boat deck, chassis is installed in orbit, the displacement of the scroll wheel restrict trolley left and right, up and down direction by the pallet bottom both sides, the truss and the trestle crane span structure that are used for lifting are installed in chassis.The pulling winch of chassis rear and front end drives crane span structure and presses adjusting apart from stretching on the direction along ng a path between ship and the required lift-launch fixed platform, each alongside distance between ship and the fixed platform, nearly indefinite problem have been solved, the other end and the fixed platform of trestle are carried, increased the alongside success rate of ship and fixed platform, for shuttling back and forth of personnel between ship and the fixed platform provides a safe, efficient passage.
(2) truss in the trestle lifting structure in the utility model makes the trestle crane span structure rotate up and down around an end of crane span structure under the effect of winch folding and unfolding cable, the height of fixed platform is regulated on demand, solved the lift-launch of ship and differing heights fixed platform and carry later ship with tidewater rise, fall and with respect to the variation issue of podium level difference.
(4) establish one group in the junction of crane span structure and chassis and be transverse axis and the vertical pivot that cross is arranged, transverse axis links to each other with crane span structure, and vertical pivot links to each other with chassis, makes crane span structure carry out upper and lower, left and right with respect to hull and rotates; The fixed platform lift-launch end that is positioned at crane span structure is established one group of gimbal structure, makes crane span structure and fixed platform carry movable " joint " formula of a kind of freedom of end formation and is connected; By cross axle and universal joint can compensate fully automatically hull because of wind, wave, stream, tidal bulge, ebb effect with respect to the various displacements that produce between the fixed platform, make trestle steadily reliable and fixed platform lift-launch all the time, for the operating personnel provides steady, safe, the fast passage that shuttles back and forth.
Description of drawings
Fig. 1 is the utility model structural representation of the telescopic trestle of compensation automatically;
Fig. 2-the 1st, the structure division of trolley running shown in Fig. 1 schematic diagram;
Fig. 2-the 2nd, the sectional view of position shown in the AA among Fig. 2-1;
Fig. 3 is the lifting structure of trestle shown in Fig. 1 part schematic diagram;
Fig. 4-the 1st, the part of portal structure shown in Fig. 1 schematic diagram;
Fig. 4-the 2nd, the sectional view of position shown in the B-B among Fig. 4-1;
Fig. 5-the 1st, the schematic diagram of gimbal structure shown in Fig. 1;
Fig. 5-the 2nd, A is to view shown in Fig. 5-1;
Fig. 6-the 1st, the structural representation of cross axle shown in Fig. 1;
Fig. 6-the 2nd, the vertical view of cross axle structure shown in Fig. 6-1.
Among the figure:
1-trolley running structure 2-control system 3-trestle lifting structure 4-cross axle structure
5-boat deck 6-portal structure 7-gimbal structure 8-fixed platform
Walking winch 14-chassis behind 11-ride track 12, the 16-carrying cable 13-
Walking winch 17-scroll wheel 31-hauling winch 32-truss before the 15-
33-truss assembly pulley 34-wire hawser 35-crane span structure assembly pulley 41-axle bed
42-transverse axis 43-vertical pivot 61,62-square steel pipe 63-aluminium matter diamond plate
64-connects the recessed formula axle of otic placode 71-protruding formula spindle nose 72-bowl 73-axle bed
The 74-roller.
The specific embodiment
Below in conjunction with the specific embodiment the utility model is done to describe in further detail.
As shown in Figure 1, the telescopic trestle of a kind of automatic compensation of the utility model comprises portal structure 6, chassis 14, trolley running structure 1, control system 2, trestle lifting structure 3, cross axle structure 4 and gimbal structure 7.
Shown in Fig. 2-1 and Fig. 2-2, described trolley running structure 1 comprises and is arranged on chassis 14 bottoms and is fixed on trolley track 11 on the boat deck 5, walking winch 15 and back walking winch 13 before the rear and front end of described chassis 14 is provided with respectively, the bottom of described chassis 14 is provided with the scroll wheel 17 that cooperates with trolley track 11; The front portion of described chassis 14 also is provided with cross axle structure 4; Be connected with carrying cable 12 between the fixed point on described back walking winch 13 and the hull, be connected with carrying cable 16 between the fixed point on described preceding walking winch 15 and the boat deck.
Shown in Fig. 4-1 and Fig. 4-2, described portal structure 6 comprises the framework that is made of steel pipe, described framework is equipped with walks on stage 63, the top of described framework is provided with crane span structure assembly pulley 35, one end of described framework is provided with and connects otic placode 64, described connection otic placode 64 is connected with described cross axle structure 4, and the other end of described framework is provided with gimbal structure 7;
Shown in Fig. 6-1 and Fig. 6-2, described cross axle structure 4 comprises the axle bed 41 that is fixed on the chassis 14, and described axle bed 41 is provided with cross hinged transverse axis 42 and vertical pivot 43, and the connection otic placode 64 in the described portal structure 6 is connected with described transverse axis 42;
Shown in Fig. 5-1 and Fig. 5-2, described gimbal structure 7 comprises the vertical pivot that has bulb 71 that is connected with framework in the portal structure 6, described bulb is inlaid in the recessed formula axle bowl 72, and the bottom of described recessed formula axle bowl 72 is provided with supporting station 73, and the bottom of described supporting station 73 is provided with roller 74;
As shown in Figure 3, described trestle lifting structure 3 comprises the hauling winch 31 that is arranged on the chassis, chassis 14 is provided with two fixedly truss 32 and hinged trusses 36, two fixedly the top of truss 32 intersect, be provided with an assembly pulley 38 in this joining, described hinged truss 36 and wherein one fixedly be provided with intermediate truss 37 between the truss 32, the free end of described hinged truss 36 is provided with truss assembly pulley 33; Also comprise a wire hawser 34, an end of described wire hawser 34 and described hauling winch 31 are fixing, and the other end of described wire hawser 34 is walked around assembly pulley 38, truss assembly pulley 33 and crane span structure assembly pulley 35 backs successively and fixed with the free end of described hinged truss 36.
Described control system 2 comprises the branch electric unit of control panel and trestle and the control module of preceding walking winch 15, back walking winch 13 and hauling winch 31, operation control button, the emergency stop push button of walk before described control panel is provided with winch 15, back walking winch 13 and hauling winch 31.
Embodiment:
Present embodiment is the utility model trestle to be used for COSL-integrated service division department " Bo Nan " second phase life support ship and BZ13-1(WHPB), CFD18-2(WHPC) lift-launch between the fixed platform.Wherein ship is ro-ro passenger ship, also increases various functions sleds back through local flow improvement and is used for BZ13-1(WHPB), CFD18-2(WHPC) the life support of fixed platform, this trestle be used for satisfying life support ship and fixedly the personnel between the oil platform shuttle back and forth.
The design condition of trestle and corresponding device thereof and design parameters:
Environment temperature :-15 ℃ ~ 45 ℃;
Ocean temperature: 0 ℃ ~ 32 ℃;
Boats and ships heel: 5 °;
Boats and ships trim: 2 °;
Displacement :≤2m before and after when ship and platform alongside;
The lift-launch of ship and BZ13-1 platform highly is: EL (+) 16000 deck of sub-cellars
The lift-launch of ship and CFD18-2 platform highly is: EL (+) 15000 deck of sub-cellars
System weight: 45t;
Crane span structure weight: 5.5t;
The flexible distance of crane span structure (apart from stern): 0 ~ 17m;
Crane span structure is the amplitude of oscillation up and down :-3 ° ~+19 °;
The crane span structure left and right sides amplitude of oscillation: ± 10 °;
The crane span structure speed of travel: 4.8m/min;
Crane span structure rising or falling speed: 1.6m/min;
Trolley running structure 1 is shown in Fig. 2-1 and Fig. 2-2, install two 22 meters long parallel trolley track 11 at boat deck afterbody ship meta, 10 scroll wheels 17 by the chassis both sides come the displacement of restrict trolley 14 left and right, up and down directions, and chassis 14 is moved forward and backward along trolley track 11; The preceding walking winch 15 of a 20KN is housed before the chassis 14, and walking winch 13 behind the platform is equipped with in chassis 14 rear ends, drives the portal structure 6 front and back walking of trestles by folding and unfolding carrying cable 12 and 16 pulling chassis 14.Preceding walking winch 15 and back walking winch 13 have the outage autobrake system.Forward and backward walking winch 15,13 major parameter are: nominal load is 20KN, and carrying cable 12,16 diameter are 20mm, and Rong Shengliang is 60m, and lifting velocity is 1.6m/min, and the reel rope stretching is underlap.
In order to adjust the difference in height that produces because of wind, wave or morning and evening tides in trestle and the fixed platform lift-launch process, thereby make trestle realize lift-launch with fixed platform smoothly.Trestle lifting structure 3 as shown in figures 1 and 3, have two fixedly truss 32 be positioned at the top of chassis 14, be welded by seamless steel pipe, high 9m, two assembly pulleys 38 that fixedly hang with one group of Ф 285 on the tie point at truss 32 tops, the top of hinged truss 36 hangs with one group of Ф, 285 truss assembly pulleys 33, as shown in figures 1 and 3, near the middle part one group of Ф, 285 crane span structure assembly pulleys 35 are housed at portal structure, link by the wire hawser 34 of 1 6x36SW-1670-Ф 20 and a 20KN hauling winch 31 on chassis top, control the adjustable height of portal structure 6 by hauling winch 31 folding and unfolding wire hawsers 34, crane span structure is adjusted at any time by needed height.Hauling winch 31 band outage autobrake systems.The important technological parameters of hauling winch 31 is: nominal load is 20KN, and the wire hawser diameter is 20mm, and Rong Shengliang is 60m, and lifting velocity is 1.6m/min, and the reel rope stretching is underlap.
The framework of portal structure is whole long 20.16 meters in the present embodiment, and wide 1.58 meters, high 1.34 meters, integral body weighs 5.15 tons.Shown in Fig. 1 and Fig. 4-1, the tail end of framework links to each other with chassis 14 on the ship, and the middle part links to each other with hinged truss 36 with wire hawser 34 by crane span structure assembly pulley 35, and the other end carries by gimbal structure and fixed platform.The trussed construction that framework mainly is welded to form by square steel pipe 61 and 62, with bulk strength and the rigidity of guaranteeing crane span structure, for alleviating the attractive in appearance of crane span structure weight and integral body, the framework upper berth of portal structure be that the thick aluminium matter diamond plate 63 of 5mm is walked on stage, cross axle structure above the connection otic placode 64 of framework tail end and the chassis 14 links to each other, framework head end and fixed platform tie point place are provided with gimbal structure, the people goes to the framework of portal structure by the inclined ladder of chassis side from the boat deck, passes framework again and walks on stage then and to arrive on the fixed platform that needs operation.
Shown in Fig. 6-1 and Fig. 6-2, the axle bed 41 of cross axle structure is weldingly fixed on the top of chassis 14, and transverse axis 42 is welded into one " ten " font integral body with vertical pivot 43, and the two ends of transverse axis 42 are connected with portal structure and portal structure can rotate up and down around transverse axis 42; Vertical pivot 43 links to each other with axle bed 41 and can turn left and right.So just can make crane span structure by needed angle and highly carry out the upper and lower, left and right rotation around " ten " word axle, after can eliminating in trestle and the fixed platform lift-launch process and carrying, ship with the wind, wave produce with respect to fixed platform about, about displacement.
Shown in Fig. 5-1 and Fig. 5-2, described gimbal structure 7 comprises the vertical pivot that has bulb 71 that is connected with framework in the portal structure 6, the upper end of vertical pivot 71 and the welding of the front end of portal structure are fixing in aggregates, the described bulb that is arranged in vertical pivot 71 lower ends is inlaid in a recessed formula axle bowl 72, both are matched in clearance between being, both can be as the free relative motion in joint; Described recessed formula axle bowl 72 is to be welded on the supporting station 73 of its bottom, and the bottom of described supporting station 73 is equipped with roller 74; Roller 74 directly contacts with fixed platform and can scroll forward and backward on fixed platform.Therefore, move with the position of the small distance of rolling of producing of wave and front and back because of ship when utilizing gimbal structure can eliminate trestle and fixed platform to carry, make trestle and fixed platform under the situation that the operation sea situation allows, keep at any time carrying reliably, guarantee shuttling back and forth of personal security.
The utility model dynamicly provide by the motor power installed in hull sled piece, electricity is made as three-phase and four-line, neutral point zero is earth-free.Be that control system is located in the janitor's room in the present embodiment, control system comprises the branch electric unit of whole trestle and the control module of walking winch and hauling winch, control panel is provided with the control button of (front and back) walking winch, hauling winch, emergency stop push button and " chain running " play button of (front and back) walking winch.So-called " chain running " when being trolley movement, preceding walking winch and the chain operation of back walking winch.Walk forward as chassis, " advancing " button of walking winch gets final product before then only pressing.Chassis is walked backward, and " retreating " button of then only pressing back walking winch gets final product.
In addition, in janitor's room, can also be provided with an automatic reading card device, the number that can add up upper and lower platform easily, and can effectively prevent having the operating personnel to be lost on the job platform when trestle from regaining, avoid causing danger.Janitor's room is provided with bullhorn outward, and at the red lamp that changes of establishing foremost of trestle portal structure, the control module of bullhorn and commentaries on classics lamp and forward and backward walking winch is chain, sends sound and light alarm when trolley running automatically.Establish one of 25W broadcasting in the janitor's room, one of 10W loudspeaker is established at outdoor top, janitor's room contact with foreign countries when being used for trestle work.Establish a 250W projector at the janitor's room top, outdoor one of the fluorescence ceiling light of establishing is established three of fluorescence ceiling lights, as the night illumination of trestle on the trestle crane span structure railing.The trestle feed cable is introduced by the trolley track rearmost end, introduces janitor's room through the cable slideway.Respectively do a support before and after the trolley track left-external side, diameter 10mm wire rope of middle tension, as the cable slideway with suspended cables.
Although be described in conjunction with the utility model of figure above; but the utility model is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; under the situation that does not break away from the utility model aim, can also make a lot of distortion, these all belong within the protection of the present utility model.
Claims (2)
1. one kind compensates telescopic trestle automatically, comprises portal structure (6), it is characterized in that, also comprises chassis (14), trolley running structure (1), control system (2), trestle lifting structure (3), cross axle structure (4) and gimbal structure (7);
Described trolley running structure (1) comprises and is arranged on chassis (14) bottom and is fixed on trolley track (11) on the boat deck (5), walking winch (15) and back walking winch (13) before the rear and front end of described chassis (14) is provided with respectively, the bottom of described chassis (14) is provided with the scroll wheel (17) that cooperates with trolley track (11); The front portion of described chassis (14) also is provided with cross axle structure (4); Be connected with carrying cable respectively between the fixed point between the fixed point on described back walking winch (13) and the hull, on described preceding walk winch (15) and the boat deck;
Described portal structure (6) comprises the framework that is made of steel pipe, described framework is equipped with walk on stage (63), the top of described framework is provided with crane span structure assembly pulley (35), one end of described framework is provided with and connects otic placode (64), described connection otic placode (64) is connected with described cross axle structure (4), and the other end of described framework is provided with gimbal structure (7);
Described cross axle structure (4) comprises the axle bed (41) that is fixed on the chassis (14), described axle bed (41) is provided with the hinged transverse axis of cross (42) and vertical pivot (43), and the connection otic placode (64) in the described portal structure (6) is connected with described transverse axis (42);
Described gimbal structure (7) comprises the vertical pivot that has bulb (71) that is connected with framework in the portal structure (6), described bulb is inlaid in the recessed formula axle bowl (72), the bottom of described recessed formula axle bowl (72) is provided with supporting station (73), and the bottom of described supporting station (73) is provided with roller (74);
Described trestle lifting structure (3) comprises the hauling winch (31) that is arranged on the chassis, chassis (14) is provided with two fixedly truss (32) and hinged trusses (36), two fixedly the top of truss (32) intersect, be provided with an assembly pulley (38) in this joining, described hinged truss (36) and wherein one fixedly be provided with intermediate truss (37) between the truss (32), the free end of described hinged truss (36) is provided with truss assembly pulley (33); Also comprise a wire hawser (34), one end of described wire hawser (34) and described hauling winch (31) are fixing, and the other end of described wire hawser (34) is walked around assembly pulley (38), truss assembly pulley (33) and crane span structure assembly pulley (35) back successively and fixed with the free end of described hinged truss (36).
2. according to the telescopic trestle of the described automatic compensation of claim 1, it is characterized in that, described control system (2) comprises the branch electric unit of control panel and trestle and the control module of preceding walking winch (15), back walking winch (13) and hauling winch (31), operation control button, the emergency stop push button of walk before described control panel is provided with winch (15), back walking winch (13) and hauling winch (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201320064021 CN203065953U (en) | 2013-02-04 | 2013-02-04 | Automatic-compensation telescopic trestle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320064021 CN203065953U (en) | 2013-02-04 | 2013-02-04 | Automatic-compensation telescopic trestle |
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| CN 201320064021 Expired - Fee Related CN203065953U (en) | 2013-02-04 | 2013-02-04 | Automatic-compensation telescopic trestle |
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| CN106758754A (en) * | 2016-12-20 | 2017-05-31 | 湖北华舟重工应急装备股份有限公司 | Vertical rotary type folds movable bridge and application method |
| CN107090767A (en) * | 2017-06-19 | 2017-08-25 | 中铁隧道集团二处有限公司 | A kind of Full-hydraulic crawler-type self trestle |
| CN108733058B (en) * | 2018-05-28 | 2022-01-18 | 苏州光立智能装备技术有限公司 | Intelligent navigation system of unmanned trestle vehicle |
| CN108733058A (en) * | 2018-05-28 | 2018-11-02 | 光力（苏州）智能装备技术研究院有限公司 | Unmanned trestle vehicle intelligent guidance system |
| CN108711797A (en) * | 2018-08-16 | 2018-10-26 | 福州万山电力咨询有限公司 | A kind of modular cable gap bridge expansion compensation device |
| CN109440654A (en) * | 2018-12-18 | 2019-03-08 | 合肥成基铁路工程科技有限公司 | A kind of construction equipment and its construction method of achievable overpass beam of not closing a road to traffic |
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| CN109811636B (en) * | 2019-03-11 | 2024-05-03 | 杭州西奥电梯有限公司 | Telescopic platform |
| CN110805452A (en) * | 2019-08-23 | 2020-02-18 | 中铁十一局集团汉江重工有限公司 | Large-span telescopic movable trestle |
| CN110805452B (en) * | 2019-08-23 | 2024-06-04 | 中铁十一局集团汉江重工有限公司 | Large-span telescopic movable trestle |
| CN111172858A (en) * | 2019-12-30 | 2020-05-19 | 中联重科股份有限公司 | Mechanical bridge erecting mechanism, mechanical bridge erecting vehicle and method |
| CN112942065A (en) * | 2021-02-26 | 2021-06-11 | 中集海洋工程有限公司 | Follow-up compensation testing device of marine platform telescopic trestle |
| CN112942065B (en) * | 2021-02-26 | 2022-12-23 | 中集海洋工程有限公司 | Follow-up compensation testing device of marine platform telescopic trestle |
| CN113135267A (en) * | 2021-05-31 | 2021-07-20 | 中船黄埔文冲船舶有限公司 | Towed pedestrian trestle and boats and ships |
| CN113818419A (en) * | 2021-08-31 | 2021-12-21 | 长江三峡通航管理局 | Ship lock floating type access door traffic system |
| CN115503891A (en) * | 2022-09-30 | 2022-12-23 | 广东广船国际海洋科技研究院有限公司 | Conveyor and breed worker's ship |
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