CN213214898U

CN213214898U - Crab seedling letter sorting is with screening net

Info

Publication number: CN213214898U
Application number: CN202021542196.4U
Authority: CN
Inventors: 徐业凡; 徐书龙; 张晓萍
Original assignee: Dangxi Crab Breeding Co ltd
Current assignee: Dangxi Crab Breeding Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-05-18
Anticipated expiration: 2030-07-30

Abstract

The utility model discloses a crab seedling letter sorting is with screening net, the fruit pick-up device comprises a frame body, the inside of framework is equipped with the diaphragm, the welding of the top both ends of diaphragm has first casing, and the inside sliding connection of first casing has first fly leaf, two the top that first casing is close to one side each other has all welded the second casing with the bottom, and the inside sliding connection of second casing has the second fly leaf, the middle part of diaphragm bottom is rotated and is connected with the pivot, there is the drive bevel gear through bolted connection in the pivot, the both sides of drive bevel gear are equipped with driven bevel gear, and the meshing transmission between drive bevel gear and the driven bevel gear. The utility model discloses a combination of various structures makes this device when screening crab seed, and not only the installation of screening net is convenient, and can carry out size adjustment to the mesh of screening net to replace the screening net replacement of different meshes, improve work efficiency, alleviate staff's burden.

Description

Crab seedling letter sorting is with screening net

Technical Field

The utility model relates to a screening net technical field especially relates to a crab seedling letter sorting is with screening net.

Background

Crab larvae refer to crab larvae in the megalophora period which can be used for breeding production, the crab larvae are divided into megalophora, bean crabs and crabs, generally speaking, the crab larvae refer to crab larvae with crab claspers, and the crab larvae are different in size, so that the crab larvae are low in working efficiency of selecting the crab larvae.

The mode of artifical selection is basically adopted when crab seed is selected in the tradition, not only work efficiency is low, and rely on the sensation to select, the rate of accuracy is lower, thereby produced and selected the equipment, and the use of equipment can not leave the screening net, and the use of screening net needs select for use the screening net of different meshes according to the size of crab seed, thereby need a plurality of screening nets, not only the cost is higher, the installation of screening net is inconvenient, and the staff has also reduced the speed of selecting at the frequent change of the in-process of selecting the screening net, work efficiency is low. Therefore, how to adjust the meshes of the screening net becomes an urgent problem to be solved.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem that exists among the background art, the utility model provides a crab seedling letter sorting is with screening net, the utility model discloses a combination of various structures makes this device when screening the crab seedling, and not only the installation of screening net is convenient, and can carry out size adjustment to the mesh of screening net to replace the screening net replacement of different meshes, improve work efficiency, alleviate staff's burden.

(II) technical scheme

The utility model provides a screening net for crab seedling sorting, which comprises a frame body, wherein a transverse plate is arranged inside the frame body, first shells are welded at the two ends of the top of the transverse plate, a first movable plate is connected inside the first shells in a sliding manner, a second shell is welded at the top and the bottom of one side, close to each other, of the first shells, a second movable plate is connected inside the second shell in a sliding manner, a rotating shaft is rotatably connected at the middle part of the bottom of the transverse plate, a driving bevel gear is connected on the rotating shaft through a bolt, driven bevel gears are arranged at the two sides of the driving bevel gear, in addition, the driving bevel gear and the driven bevel gears are in meshing transmission, worms are arranged at the sides, far away from the driving bevel gears, of the driven bevel gears, a worm wheel is arranged above the worm, in addition, the worm and the worm wheel are also in, the transmission shaft is connected with a driving transmission wheel through a bolt, a rotating shaft is arranged above the transmission shaft, driven transmission wheels are connected to the rotating shaft through bolts, and the front faces of the two driven transmission wheels are connected with take-up pulleys located on the rotating shaft through bolts.

Preferably, the bottom of the rotating shaft penetrates through the bottom shell wall of the frame body, the bottom of the rotating shaft is provided with a turntable, the turntable is movably connected with a screw rod, a plurality of grooves located on the bottom shell wall of the frame body are formed in the periphery of the rotating shaft at equal intervals along the circumferential direction, and the top end of the screw rod is connected in the grooves in a threaded mode.

Preferably, a bearing is fixedly connected to the inner wall of the bottom of the frame body, the bearing is connected with the worms through bolts, one side, away from the driven bevel gear, of each of the two worms is rotatably connected to the inner walls of the two sides of the frame body, and one end of the back of each of the two transmission shafts is rotatably connected to the inner wall of the back of the frame body.

Preferably, two first chutes are formed in the front surface and the back shell wall of the first shell, the first sliding blocks are connected to the inside of the first chutes in a sliding manner, one sides of the first sliding blocks, which are close to each other, are welded on the first movable plates, a steel wire mesh is arranged between the first movable plates, and the left end and the right end of the steel wire mesh move on the first shell.

Preferably, the front and back shell walls of the two second shells are provided with second sliding grooves, the inside of each second sliding groove is connected with a second sliding block in a sliding manner, one sides of the two second sliding blocks, which are close to each other, are welded on the second movable plate, and the top and the bottom of the steel wire mesh are movably connected on the second movable plate.

Preferably, the transverse plate is provided with two first slots, two second slots located on the wall of the bottom of the first shell are arranged above the two first slots, a belt is connected between the driving transmission wheel and the driven transmission wheel, and the belt passes through the first slots and the second slots.

Preferably, two the spring has all been welded to one side that the wire net was kept away from to first fly leaf, two one side welding that the spring is close to each other has the mount pad, the winding has the stay cord on the take-up pulley, and the one end of stay cord is binded on the mount pad, all weld on the both sides outer wall of framework has two sleeves, telescopic inside is pegged graft and is had the inserted bar.

Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:

1. make this device realize quick adjustment to the mesh of screening net through the combination of installation framework, diaphragm, first casing, second casing, pivot, initiative bevel gear, driven bevel gear, worm wheel, transmission shaft, drive wheel, driven drive wheel, rotation axis, take-up pulley, first fly leaf, spring, wire net and second fly leaf isotructure to avoid the replacement to the screening net, improved work efficiency.

2. Make this device when installing screening net through the combination of installation sleeve and inserted bar to traditional bolted connection is replaced to the mode of simple sleeve grafting, thereby make its loading and unloading convenient, alleviate staff's burden.

Drawings

Fig. 1 is the structure schematic diagram of the screening net for crab larva sorting provided by the utility model.

Fig. 2 is the utility model provides a crab seedling letter sorting is with first casing side sectional structure sketch map of screening net.

Fig. 3 is the utility model provides a crab seedling letter sorting is with second casing of screening net bow a face section structure sketch map.

Fig. 4 is the utility model provides a crab seedling letter sorting is with take-up pulley and driven pulley of screening net look sideways at the schematic diagram.

FIG. 5 is the utility model provides a crab seedling letter sorting is with worm and worm wheel of screening net look sideways at schematic diagram

Reference numerals: 1. a frame body; 2. a transverse plate; 3. a first housing; 4. a second housing; 5. a rotating shaft; 6. a drive bevel gear; 7. a driven bevel gear; 8. a worm; 9. a worm gear; 10. a drive shaft; 11. an active driving wheel; 12. a driven transmission wheel; 13. a rotating shaft; 14. a take-up pulley; 15. a first movable plate; 16. a spring; 17. steel wire mesh; 18. a second movable plate; 19. a sleeve; 20. and (4) inserting the rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-5, the screening net for crab larva sorting provided by the utility model comprises a frame body 1, a transverse plate 2 is arranged inside the frame body 1, first shells 3 are welded at two ends of the top of the transverse plate 2, a first movable plate 15 is connected inside the first shells 3 in a sliding manner, second shells 4 are welded at the top and the bottom of one side of the two first shells 3 close to each other, a second movable plate 18 is connected inside the second shells 4 in a sliding manner, a rotating shaft 5 is rotatably connected at the middle part of the bottom of the transverse plate 2, a driving bevel gear 6 is connected on the rotating shaft 5 through a bolt, driven bevel gears 7 are arranged at two sides of the driving bevel gear 6, the driving bevel gear 6 and the driven bevel gears 7 are in meshing transmission, a worm 8 is arranged at one side of the two driven bevel gears 7 far from the driving bevel gear 6, a worm wheel 9 is arranged above the worm 8, and the worm 8 and, the worm wheel 9 is connected with a transmission shaft 10 through a bolt, the transmission shaft 10 is connected with a driving transmission wheel 11 through a bolt, a rotating shaft 13 is arranged above the transmission shaft 10, driven transmission wheels 12 are connected onto the rotating shaft 13 through bolts, and the front faces of the two driven transmission wheels 12 are connected with take-up pulleys 14 located on the rotating shaft 13 through bolts.

In an alternative embodiment, the bottom end of the rotating shaft 5 penetrates through the bottom wall of the frame 1, the bottom end of the rotating shaft 5 is provided with a rotating disc, the rotating disc is movably connected with a screw rod, a plurality of grooves are formed in the bottom wall of the frame 1 at equal intervals along the circumferential direction around the rotating shaft 5, and the top end of the screw rod is in threaded connection with the grooves.

It should be noted that the mesh holes on the steel wire mesh 17 are fixed after adjustment.

In an alternative embodiment, a bearing is fixedly connected to the inner wall of the bottom of the frame body 1, the bearing is connected with the worm 8 through a bolt, one side of the two worm 8, which is far away from the driven bevel gear 7, is rotatably connected to the inner walls of the two sides of the frame body 1, and one ends of the back surfaces of the two transmission shafts 10 are rotatably connected to the inner wall of the back surface of the frame body 1.

In an optional embodiment, first sliding grooves are formed in the front and back shell walls of the two first shells 3, first sliding blocks are slidably connected inside the first sliding grooves, one sides of the two first sliding blocks, which are close to each other, are welded on the first movable plates 15, a steel wire mesh 17 is arranged between the two first movable plates 15, and the left end and the right end of the steel wire mesh 17 are movable on the first shells 3.

It should be noted that it is achieved that the mesh size of the wire mesh 17 can be changed when the first movable plate 15 is moved.

In an alternative embodiment, the front and back shell walls of the two second shells 4 are provided with second sliding grooves, the second sliding grooves are connected with second sliding blocks in a sliding manner, the sides of the two second sliding blocks close to each other are welded on the second movable plate 18, and the top and the bottom of the steel wire mesh 17 are movably connected on the second movable plate 18.

In an alternative embodiment, the horizontal plate 2 is provided with two first slots, two second slots are provided above the two first slots and located on the bottom wall of the first housing 3, and a belt is connected between the driving transmission wheel 11 and the driven transmission wheel 12 and passes through the first slots and the second slots.

In an optional embodiment, springs 16 are welded on one sides of the two first movable plates 15 far away from the steel wire mesh 17, a mounting seat is welded on one side of the two springs 16 close to each other, a pull rope is wound on the take-up pulley 14, one end of the pull rope is bound on the mounting seat, two sleeves 19 are welded on outer walls of two sides of the frame body 1, and inserting rods 20 are inserted into the sleeves 19.

In the utility model, the frame body 1 is movably connected on the screening device through the combination of the sleeve 19 and the inserted bar 20, when the mesh of the screen is required to be adjusted, the screw rod is rotated to make it leave the groove, the rotating disc is rotated clockwise to drive the rotating shaft 5 to rotate, thereby the driving bevel gear 6 is rotated, the driving bevel gear 6 is meshed with the driven bevel gear 7 to drive the worm 8 to move, the worm 8 is meshed with the worm wheel 9 to drive the transmission shaft 10 to rotate, the driving transmission wheel 11 is driven, the driven transmission wheel 12 is rotated through the belt, the rotating shaft 13 is driven to move, the take-up pulley 14 is rotated to take up, two first movable plates 15 are pulled to move towards the inner side of the first shell 3, the compression spring 16 drives two second movable plates 18 to be close to each other through the steel wire mesh 17, thereby the mesh on the steel wire mesh 17 is reduced, when the rotating shaft 5 rotates counterclockwise, the take-up pulley 14 is paid out, and the two first movable plates 15 are close to each other and the two second movable plates 18 are far away from each other due to the elasticity of the spring 16, so that the meshes on the steel wire mesh 17 are enlarged.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A screening net for crab seedling sorting comprises a frame body (1) and is characterized in that a transverse plate (2) is arranged inside the frame body (1), first shells (3) are welded at two ends of the top of the transverse plate (2), a first movable plate (15) is connected inside the first shells (3) in a sliding mode, second shells (4) are welded at the top and the bottom of one side, close to each other, of the first shells (3), a second movable plate (18) is connected inside the second shells (4) in a sliding mode, a rotating shaft (5) is rotatably connected to the middle of the bottom of the transverse plate (2), a driving bevel gear (6) is connected to the rotating shaft (5) through bolts, driven bevel gears (7) are arranged on two sides of the driving bevel gear (6), the driving bevel gear (6) and the driven bevel gears (7) are in meshing transmission, worms (8) are mounted on one sides, far away from the driving bevel gears (6), of the driven bevel gears (7), the top of worm (8) is equipped with worm wheel (9), and also meshes the transmission between worm (8) and worm wheel (9), there are transmission shaft (10) through bolted connection on worm wheel (9), there are driving wheel (11) through bolted connection on transmission shaft (10), and the top of transmission shaft (10) is equipped with rotation axis (13), all there are driven drive wheel (12), two through bolted connection on rotation axis (13) the front of driven drive wheel (12) all has take-up pulley (14) that are located rotation axis (13) through bolted connection.

2. The screening net for crab seedling sorting according to claim 1, wherein the bottom end of the rotating shaft (5) penetrates through the bottom shell wall of the frame body (1), a rotating disc is mounted at the bottom end of the rotating shaft (5), a screw rod is movably connected to the rotating disc, a plurality of grooves are formed in the bottom shell wall of the frame body (1) at equal intervals along the circumferential direction on the periphery of the rotating shaft (5), and the top end of the screw rod is in threaded connection with the grooves.

3. The screening net for crab seedling sorting according to claim 1, wherein a bearing is fixedly connected to the inner wall of the bottom of the frame body (1), the bearing is connected with the worm screws (8) through bolts, one side of each of the two worm screws (8) far away from the driven bevel gear (7) is rotatably connected to the inner walls of two sides of the frame body (1), and one end of the back of each of the two transmission shafts (10) is rotatably connected to the inner wall of the back of the frame body (1).

4. The screening net for crab seedling sorting according to claim 1, wherein first sliding grooves are formed in the front and back shell walls of the two first shells (3), first sliding blocks are slidably connected inside the first sliding grooves, one sides of the two first sliding blocks, which are close to each other, are welded on the first movable plates (15), a steel wire mesh (17) is arranged between the two first movable plates (15), and the left end and the right end of the steel wire mesh (17) are movable on the first shells (3).

5. The screening net for crab seedling sorting according to claim 4, wherein the two second shells (4) are provided with second sliding grooves on the front and back shell walls, the second sliding grooves are connected with second sliding blocks in a sliding manner, the sides of the two second sliding blocks close to each other are welded on the second movable plate (18), and the top and the bottom of the steel wire mesh (17) are movably connected on the second movable plate (18).

6. The screening net for crab larva sorting according to claim 1, wherein the horizontal plate (2) is provided with two first slots, two second slots are provided above the two first slots and located on the bottom wall of the first housing (3), a belt is connected between the driving transmission wheel (11) and the driven transmission wheel (12), and the belt passes through the first slots and the second slots.

7. The screening net for crab seedling sorting according to claim 1, wherein springs (16) are welded on one sides of the two first movable plates (15) far away from the steel wire net (17), mounting seats are welded on one sides of the two springs (16) close to each other, pull ropes are wound on the take-up pulley (14), one ends of the pull ropes are bound on the mounting seats, two sleeves (19) are welded on outer walls of two sides of the frame body (1), and inserting rods (20) are inserted into the sleeves (19).