CN1253078C

CN1253078C - Automatic net hauler

Info

Publication number: CN1253078C
Application number: CN 01134369
Authority: CN
Inventors: 张德洪
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-11-02
Filing date: 2001-11-01
Publication date: 2006-04-26
Anticipated expiration: 2021-11-01
Also published as: CN1344491A

Abstract

The present invention relates to an automatic net hauler which is provided with a wheeled type squeezing friction pulling force device to complete automatic net hauling, wherein the device is provided with two rubber wheels and a transmission arm which can swing up and down, and the dynamic force and the input of the net hauler are transferred to a drive gear of a box body by a shifting type gearbox. The net hauler has the characteristics of good security, net breakage and abrasion reduction, convenient operation, etc.

Description

Automatic net hauler

Technical field:

The present invention relates to fishery and produce field of mechanical technique, specifically, is the automatic net hauler that a kind of hauling is used.

Technical background:

The net hauler that uses in the fish production now, the Chinese utility model patent that is the CN2324777Y of on June 23rd, 1999 bulletin illustrates disclosed this net hauler, and the structure of this net hauler is made up of casing, axle, rubber tire, driving gear and the driven tooth wheels intermesh is integral.The circular hole of the outside same position of the centre bore of each driving gear and casing constitutes a speed change position, and the centre bore of each driving gear is the splined hole that matches with the hydraulic motor axle of addition all, on the casing outside the casing the vertical rod of leading is housed.

The shortcoming of this net hauler is: 1, two-in-one net hauler form, manpower is used the friction of the rubber tire of net hauler, the net string is that shaped form is looped around on four rubber tires when hauling, and the rear end of net string gets human and pulls, and net could rise, the people can not draw in the net, this net hauler is when hauling, because human pulls the net spee inequality and causes, promptly effort, time-consuming is again gone back accident-proneness.2, need during speed change the hydraulic motor displacement to realize, because of hydraulic motor is to be fixed on the case with the gong bolt, need adorn (unloading) hydraulic motor during speed change, this gear shift mode, bring very burden to the operator, the purpose of the speed conversion at any time when also not realizing under different situations hauling.3, net is netted floating pressing against brokenly, here because when hauling, often go out existing network floating be crushed on net below above the rubber tire, and cause.4, the vertical rod of leading in the rubber tire outside is directly to make with iron pipe or round steel, and diameter is too small, and two ends do not have bearing, rotates dumb and outer surface does not have the abrasionproof room, and is very big to the wearing and tearing of netting.

Summary of the invention:

The present invention is directed to that existing problem provides a kind of automatic net hauler in the above-mentioned prior art, this hauling function reaches following four purposes, and one, hauling automatically: two, speed change is convenient: three, the floating net of not pressing against of net; Four, reduce the wearing and tearing of net.

The invention provides a kind of automatic net hauler, the above-mentioned purpose of this net hauler is achieved in that it comprises casing, gear drive and rubber tire, and the casing front is equipped with rubber tire and is extruded rubber tire, is extruded the rubber tire surface and is provided with annular groove.A transmission arm that can swing up and down is set on casing, transmission arm one end is contained on the power take-off on the casing, the output of this output shaft is provided with a drive sprocket, the other end of this transmission arm is provided with a power transmission shaft, and this input is established a driven sprocket, be connected with drive sprocket by chain, and this output shaft other end is equipped with an extruding rubber tire, and the rubber tire annular groove that is extruded on it and the casing matches, and forms the wheeled extruding automatic puller system that rubs.But the extruding size of this device is controlled by a spring tension adjusting device.

Speed change gear, be a fork type gearbox to be set at this net hauler back side, the driven gear that is provided with shift fork and pull bar, power shaft, jackshaft, driving wheel, driven gear and rubber tire in the gearbox is formed a fork type gear, stir change-speed gearing by pull bar drive shift fork during conversion rate and finish, and easy to operate.

Floating guide device is to be provided with one to have leading the relief piece it being fixed on the casing of circular arc inclined-plane between two rubber tires of arranged vertical.When crossing the circular arc inclined-plane, the net warp float led the outside of rubber tire front end.

For reducing the wearing and tearing of net, at the vertical rubber-surfaced roll of this net hauler casing arranged outside, its two ends is provided with bearing.

Automatic net hauler of the present invention reduce the damaged and wearing and tearing of net, and speed change conveniently owing to adopt such scheme in automatic hauling.

Description of drawings:

Fig. 1 is the embodiment rubber tire structural representation of automatic net hauler of the present invention;

Fig. 2 is the rearview of Fig. 1;

Among the figure; 1 rubber-surfaced roll support, 2 rubber-surfaced rolls, 3 casings, 18,19,20 rubber tires, 4,5 convexs lead power input, 21 that floating block, 6 is extruded rubber tire, 7 extruding rubber tires, 8 handgrips, 9 compression springs, 10 adjusting nuts, 11 pull bars, 12 transmission arms, 13 chains, 14 driven sprockets, 15 drive sprockets, 16 gearboxes, 17 gearboxes separate, 22 separate pull bars, 23 hooks.

Embodiment:

The vertical rubber-surfaced roll 2 in casing shown in Figure 13 outsides is assemblied on the bearing in the rubber-surfaced roll support 1, and rubber-surfaced roll support 1 is fixed on the casing 3, and rubber tire 18,19,20 is contained on the glue shaft of casing 3, by the gear drive in the casing 3.Rubber tire 18 in arranged vertical, 19 and 20, what the casing 3 between 6 was provided with the arc inclined-plane leads relief piece 4,5, when hauling, during net process rubber tire 18, net float over net above, net floats over off the net during again through second rubber tire 19, but being led relief piece 4 in advance leads outside the front end of rubber tire 19, net is floating again on net through the 3rd rubber tire 20 time, net is floating again below net when process is extruded rubber tire 6, still in advance being led relief piece 5 leads and is being extruded rubber tire 6 outsides, net floats over to slide on the inclined-plane when relief piece is led on process circular arc inclined-plane and is led in the rubber tire front end outside along the inclined-plane, has avoided the floating last veil that is crushed on off the net rubber tire of net to be pressed against brokenly.

Power is the power shaft by fork type gearbox 16, input process active change-speed gearing and driven gear are meshed with the driven gear of rubber tire through jackshaft and form a fork type gear, pull bar drives shift fork, realize speed change, it is by spring 9 that spring tension on the casing 3 is reconciled device, pull bar 11, the hook 23 on adjusting nut 10 and the handgrip 8 separates pull bar 22 and forms a spring tension adjusting device to 21 with separating.Casing 3 back sides are at the driving cog of rubber tire 19 and be extruded on the output shaft of the intermediate drive gear between the travelling gear of rubber tire 6, transmission arm that can swing up and down 12 of suit, the output axle head is equipped with a drive sprocket 15, the transmission arm other end is equipped with a power transmission shaft, this input is equipped with a driven sprocket 14, be connected with drive sprocket 15 by chain 13, drive this rotation, this output is equipped with an extruding rubber tire 7, the annular groove that is extruded rubber tire 6 on extruding rubber tire 7 and the casing 3 matches, and forms the wheeled extruding automatic puller system that rubs.This net hauler is when hauling, net through 18,19,20 first three rubber tire after, after the tail end of net is placed on and is extruded in rubber tire 6 annular grooves, with handgrip 8 toward press down " present embodiment handgrip 8 is the lever form; " transmission arm 12 is lifted, after the annular groove that pushes the passive extruding rubber tire 6 on rubber tire 7 and the casing 3 is matched, hang on the hook of pull bar 11 by hook 23 on the handgrip 8.The pressure that keeps pushing rubber tire 7 by spring 9, the pressure size is regulated suitable pressure by adjusting nut 10, net produces the friction pulling force when two rubber tires relatively rotate with speed between two-wheeled to produce enough big friction, make the online pulling force that is subjected to simultaneously down, net moves with rubber tire, and by pull-up automatically.When hauling finishes, pull separation on the handgrip 8 21 by separating pull bar 22, hook 23 is separated with hook on the pull bar 11, transmission arm 12 is put down with hand.Drive sprocket 15 and driven sprocket 14 are arranged in the transmission arm 12, and spring 9 is contained on the connecting rod 11, because the elastic reaction of spring can make transmission arm suffered resistance when rotating according to rubber tire vary in size and move up and down, what be beneficial to net passes through.

Transmission arm 12 inner sprocket chain drives among the present invention also can change over gear drive, with drive sprocket 15 driven sprockets 14, change gear into, initiatively with between the driven gear are provided with and are connected gear.Driving gear meshes with driven gear by connecting gear like this.

Rub extruding rubber tire 7 in the automatic puller system on be extruded rubber tire 6 about wheeled extruding, still below, must decide according to being extruded turning to of rubber tire 6, rubber tire 7 was on rubber tire 6 when rubber tire 6 turned left, and when rubber tire 6 was turned right, rubber tire 7 was below rubber tire 6, lead the relief piece and can also be designed to hemispherical, extruding rubber tire 7 can also be made cylindrically, and the rubber tire quantity of this net hauler is changeable as required.

Claims

1, a kind of automatic net hauler, it comprises casing, gear drive and rubber tire, it is characterized in that: casing (3) is provided with a transmission arm (12), and transmission arm (12) one ends are contained on the power take-off on the casing (3), and the other end is equipped with a power transmission shaft, driving power transmission shaft by transmission mechanism rotates, the output of power transmission shaft is equipped with an extruding rubber tire (7), its with casing (3) on corresponding rubber tire (6) annular groove that is extruded match, form the wheeled extruding automatic puller system that rubs.

2, automatic net hauler according to claim 1 is characterized in that: casing (3) is provided with a fork type gearbox.

3, automatic net hauler according to claim 1 is characterized in that: can be provided with between the rubber tire on the casing (3) and lead the relief piece.

4, automatic net hauler according to claim 1 is characterized in that: can be provided with spring tension and regulate setting.