CN2699274Y

CN2699274Y - Branchiotoma belcheri gathering device

Info

Publication number: CN2699274Y
Application number: CN 200420045790
Authority: CN
Inventors: 卢伙胜; 陈春亮; 颜云榕
Original assignee: Zhanjiang Marine University
Current assignee: Zhanjiang Marine University
Priority date: 2004-05-12
Filing date: 2004-05-12
Publication date: 2005-05-11
Anticipated expiration: 2014-05-12

Abstract

The utility model discloses a branchiotoma belcheri gathering device, comprising a gate shape hanger rod, a plug pin rope, a jaw petal, a handle roller, a plug pin, a screw nut, a screen mesh, a pad, a central axle and a handle. The branchiotoma belcheri gathering device overcomes the collecting amphioxus inaccuracy of the existing box-type or the grab bucket type device and the destructivity to structure of the bottom sampling sedimentary deposit. The escaping of the amphioxus from the collecting range is completely prevented, the collecting deepness is ensured, and the seabed surface sedimentary deposit structure natural appearance of the bottom sampling is kept. The utility model has reasonable design and simple structure. The distribution density and the length composition of the amphioxus can be accurately surveyed, and the sea area substrate surface sedimentary texture can be simultaneously and accurately surveyed. The branchiotoma belcheri gathering device is easy to operate.

Description

The lancelet collector

Technical field

The utility model belongs to a kind of lancelet collector.

Background technology

At present; the collecting device that regulation adopts in (marine nature reserve monitoring technology rules--lancelet) is box or the grab type bottom sampler, is made of parts such as cable wire, hook, wire rope, iron chains, crossbeam, jaw lobe, counterweight, fixed head, drop handle, main shaft, pulley, becket bridle, perching knife, link stopper, bent plate, small sheaves.What play the major function effect is two jaw lobes, two lobes dehisce to be projected as rectangle, about 100 ° of the angle of cut of dehiscing, at their top a valve is arranged respectively, one iron hoop is arranged on the outside surface of valve, have an iron chains to be connected to each other between two rings, pulley is installed in the outside of main shaft two ends and jaw lobe, and two wire rope that are connected with the bottom sampler crossbeam are respectively walked around and are fixed on the becket bridle in the two jaw lobes outside with end behind the pulley, crossbeam with link up with between have one section wire rope to be connected.During work, iron chains is hung on the hook, two jaw lobes become open configuration, unclasp cable wire, and bottom sampler descends by the settling capacity of self, and bottom sampler is once touching the seabed, and hook is heavily held promptly sagging voluntarily so that iron chains breaks off relations.When carrying bottom sampler on beginning, under pull of steel wire, two jaw lobe closures are taken into the substrate in the aperture area, thereby reach the purpose of gathering substrate and perching the lancelet in substrate.But this kind bottom sampler is owing to adopt the settling capacity wedging seabed of self, and its wedging degree of depth exists than big-difference with different seabed hardness, can not guarantee the substrate degree of depth of its collection.Because bottom sampler two jaw lobes are about 100 ° tong-like angle of cut when opening the contact seabed fully, the angle of cut forms big breach, and the top side valve also is opening.Lancelet has a lively disposition, and in frightened back with in the slow closing course of two jaw lobes, is easy to escape from breach and valve with current or sand drift, and the lancelet that collects can not accurately show its distribution density situation.Because the lifting force of bottom sampler in two jaw lobe closing course wrecks the sedimentary deposit structure of bottom characteristics sampling, can not keep its sedimentary deposit structure original appearance again.

Technology contents

The purpose of this utility model provides a kind of lancelet collector, overcome existing box or the grab type bottom sampler is gathered the inaccuracy of lancelet and to the structural damage of bottom characteristics sampling sedimentary deposit, can not only prevent fully that the lancelet in the acquisition range from escaping, and can guarantee the seabed surface deposition layer structure original appearance of sampling depth and maintenance bottom characteristics sampling.

The utility model is made up of door shape suspension rod, pin rope, jaw lobe, handle cylinder, latch, nut, screen cloth, pad, axis and handle, axis (9) with two only with the jaw lobe (3) of tight interlock and a door shape suspension rod (1) serial connection, two ends are respectively added pad (8) and nut (6) in turn, latch (5) is connected with door shape suspension rod (1) with pin rope (2), handle cylinder (4) is placed on handle (10) crossbeam, screen cloth (7) is attached at two jaw lobe (3) top side face inboards, and axis (9) cooperates with nut (6) and pad (8).The central angle of two jaw lobes (3) is 90 °～100 °, and the pawl mouth is rectangle, pawl mouth wing profit, closely interlock mutually, two jaw lobe (3) lateral surfaces are fan-shaped plan, bottom side is an arc-shaped surface, the top side face of two jaw lobes (3) is the plane, bores some holes in the panel, and medial surface attaches screen cloth (7).Handle (10) firmly is installed on the top edge of two jaw lobe (3) bottom sides, and the expansion plane is consistent with jaw lobe (3) top side face, overcoat handle cylinder (4) on the crossbeam of handle (10).After two jaw lobes (3) close interlock fully, reach door shape suspension rod (1) pin hole and when pin hole overlaps latch (5) is inserted in the pin hole, be firm closure state with jaw lobe (3).Door shape suspension rod (1) top annular distance is connected with cable wire.The utility model is reasonable in design, and is simple in structure, can conveniently reconnoitre sea area substrate surface deposition structure exactly when accurately investigating the distribution density and size composition of lancelet, easy to operate, should promote the use of.

Description of drawings

Fig. 1 is the utility model closure state structural representation;

Fig. 2 is the complete open configuration structural representation of the utility model;

Fig. 3 is the utility model button cover synoptic diagram;

Fig. 4 is that the utility model is pushed the cutting synoptic diagram;

Fig. 5 is that the utility model closes up synoptic diagram;

Fig. 6 is that synoptic diagram is fixed, mentioned to the utility model latch;

Embodiment

As shown in Figure 1, 2, it is 90 °～100 ° that two jaw lobes are designed to central angle, the pawl mouth is the fan-shaped cylinder of tight interlock mutually, top side face adopts boring to add the valve that built-in screen cloth replaces former bottom sampler, when making lancelet collector button cover seabed and two jaw lobes close the cutting seabed, water can be smoothly discharged from the hole, top side and is prevented the lancelet flight.Because the utility model two jaw lobes basically form semicylinder when opening fully, its pawl mouth plane that is rectangle substantially, pawl mouth periphery contacts fully with the seabed during button cover, and has part to wedge in the substrate, and lancelet can't escape.Adopt frogman's operation, adopt suitable pressing force and cutting force according to different seabed hardness, use latch locking after two jaw lobes are closed interlock fully, can guarantee the actual quantity of perching of sampling depth, seabed surface deposition layer structure original appearance and the lancelet of the bottom characteristics sampling in the casing, thereby reach the purpose of accurate collection.In Fig. 1, axis with two only with the jaw lobe of tight interlock and door shape suspension rod serial connection, two ends are respectively added pad and nut in turn, latch is connected with door shape suspension rod with pin rope, connecting portion can choose at random, open fully with not overslaugh two jaw lobes and to be advisable, the handle drum sleeve places on the handle crossbeam, screen cloth is attached at two jaw lobe top side face inboards, axis cooperates with nut and pad, this collector is played the monolithic stability effect,, two jaw lobes and door shape suspension rod are rotated freely around axis by the elasticity of setting nut.Two jaw lobes are to detain the main member that covers, wedges, cuts substrate and hold substrate, and the pawl mouth is rectangle substantially, pawl mouth wing profit, closely interlock mutually, button cover by operating personnel and suitably pushing can make the pawl mouth closely contact with the seabed, prevents that fully the lancelet that perches at substrate from escaping.Two jaw lobe lateral surfaces are fan-shaped plan, and bottom side is an arc-shaped surface, can make when the cutting substrate to reduce resistance and guarantee to gather area, and keep substrate sedimentary deposit original appearance not to be destroyed.The top side face of two jaw lobes is the plane, and top side face is bored some holes, and medial surface attaches screen cloth, makes whole collector when button cover, cutting substrate, and water can be discharged from the hole through screen cloth smoothly, and prevents that lancelet from flowing escape downstream.Handle firmly is installed on the top edge of two jaw lobe bottom sides, it is consistent with jaw lobe top side face to launch the plane, be operating personnel's assemblies that enforcement was carried, detained cover, pushes to collector,, can make collector finish the button cover smoothly, cut and closely close interlock by the pressing force that this assembly is applied.Overcoat handle cylinder on the crossbeam of handle.Can reduce the friction force of operating personnel's hand and handle.After two jaw lobes close interlock fully and the pin hole on the door shape suspension rod when pin hole on the jaw lobe overlaps, latch is inserted in the pin hole, make whole collector be firm closure state.Door shape suspension rod top annular distance is connected with cable wire.Shown in Fig. 3-6, the frogman carries the utility model of complete open configuration, seabed and button cover under diving, stressing on both hands tight handle cylinder then pushes to both sides, after two jaw lobes of the present utility model close up fully, again door shape suspension rod is rotated, the pin hole on door shape suspension rod is when pin hole on the jaw lobe overlaps, latch is inserted in the pin hole, and frogman's task is promptly finished.At last by aboard ship staff by drawing the cable wire that links to each other with door shape suspension rod end ring hole, and the utility model is mentioned on the ship from the seabed.

Claims

1, a kind of lancelet collector, form by door shape suspension rod, pin rope, jaw lobe, handle cylinder, latch, nut, screen cloth, pad, axis and handle, it is characterized in that axis (9) with two only with the jaw lobe (3) of tight interlock and a door shape suspension rod (1) serial connection, two ends are respectively added pad (8) and nut (6) in turn, latch (5) is connected with door shape suspension rod (1) with pin rope (2), handle cylinder (4) is placed on handle (10) crossbeam, screen cloth (7) is attached at two jaw lobe (3) top side face inboards, and axis (9) cooperates with nut (6) and pad (8).

2, according to the described lancelet collector of claim 1, the central angle that it is characterized in that two jaw lobes (3) is 90 °～100 °, the pawl mouth is rectangle, pawl mouth wing profit, closely interlock mutually, two jaw lobe (3) lateral surfaces are fan-shaped plan, bottom side is an arc-shaped surface, the top side face of two jaw lobes (3) is the plane, bores some holes in the panel, and medial surface attaches screen cloth (7).

3, according to the described lancelet collector of claim 1, it is characterized in that handle (10) firmly is installed on the top edge of two jaw lobe (3) bottom sides, the expansion plane is consistent with jaw lobe (3) top side face, overcoat handle cylinder (4) on the crossbeam of handle (10).

4, according to the described lancelet collector of claim 1, it is characterized in that after two jaw lobes (3) close interlock fully and door shape suspension rod (1) pin hole and jaw lobe (3) when pin hole overlaps, in latch (5) insertion pin hole, be firm closure state.

5,, it is characterized in that shape suspension rod (a 1) top annular distance is connected with cable wire according to the described lancelet collector of claim 1.