Special grab bucket for fishing operation

Abstract

The utility model discloses a special grab bucket for salvage operation, which comprises a connecting seat, the top of the peripheral surface of the connecting seat is rotatably connected with a hydraulic push rod, the top of the peripheral surface of the connecting seat is rotatably connected with a clamping jaw, the top of the clamping jaw is rotatably connected with the bottom of the hydraulic push rod, the inner cambered surface of the clamping jaw is fixedly provided with a jaw flap, and the jaw flap is fixedly connected with the hydraulic push rod. A sliding groove is formed in the peripheral face of the clamping jaw, a driving motor located on one side of the sliding groove is fixedly installed on the peripheral face of the clamping jaw, a sliding block is slidably connected into the sliding groove, a telescopic rod located in the clamping jaw is fixedly installed on the sliding block, and a sharp corner located at the bottom of the clamping jaw is fixedly installed at the bottom of the telescopic rod. When the clamping jaws clamp large materials and cannot be closed completely, the telescopic rods are pushed to stretch out of the clamping jaws, the sharp corners and the telescopic rods extend to the positions below the materials, the bottoms of the unclosed clamping jaws are protected, and the situation that the materials fall off in the grab bucket moving process is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to salvage technical field, concretely is a special grab bucket for salvage operation. BACKGROUND

[0002] Grab bucket refers to the special tool for crane to grab dry bulk goods. It is composed of two or more than two open-close bucket-shaped jaw plates to form a material space. The jaw plates are closed in the material pile during loading, and the material is grabbed into the material space. The jaw plates are opened in the suspended state on the material pile during unloading.

[0003] The existing grab bucket can only salvage fixed-size materials when used for riverway salvage work, because the shape of the grab bucket is fixed. When larger materials are clamped, the bottom of the grab bucket cannot be clamped completely, which leads to the dropping of materials during the movement of the grab bucket and reduces the work efficiency.

[0004] Therefore, the utility model provides a special grab bucket for salvage operation. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a special grab bucket for salvage operation to solve the problems in the above background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a special grab bucket for salvage operation, comprising a connecting seat, the top of the outer periphery of the connecting seat is rotationally connected with a hydraulic push rod, the top of the outer periphery of the connecting seat is rotationally connected with a clamping jaw, the top of the clamping jaw is rotationally connected with the bottom of the hydraulic push rod, the inner arc surface of the clamping jaw is fixedly installed with a jaw, the outer periphery of the clamping jaw is provided with a sliding groove, the outer periphery of the clamping jaw is fixedly installed with a driving motor located on one side of the sliding groove, the sliding groove is slidably connected with a sliding block, the sliding block is fixedly installed with a telescopic rod located in the clamping jaw, the bottom of the telescopic rod is fixedly installed with a sharp corner located at the bottom of the clamping jaw, the bottom of the sliding groove is rotationally connected with a rotating rod, one end of the rotating rod is in transmission connection with the output end of the driving motor, the rotating rod is fixedly installed with a gear located in the sliding groove, the side surface of the telescopic rod is provided with a gear slot, and the gear is in mesh with the gear slot.

[0007] Optionally, the output end of the driving motor is fixedly installed with a first bevel gear, one end of the rotating rod is fixedly installed with a second bevel gear located outside the clamping jaw, and the first bevel gear is in mesh with the second bevel gear.

[0008] Optionally, the telescopic rod is arc-shaped, the outer arc surface of the telescopic rod is in sliding contact with the arc surface in the clamping jaw, and the length of the telescopic rod is less than the length of the clamping jaw.

[0009] Optionally, the width of the telescopic rod is greater than the width of the sliding groove, and the sliding block is fixedly installed on the top of one side of the telescopic rod.

[0010] Optionally, the outer periphery of the connecting seat is fixedly installed with a protective cover, and the protective cover wraps the outside of the hydraulic push rod.

[0011] Optionally, the bottom end of the top of the clamping jaw is rotationally connected with the bottom of the outer periphery of the connecting seat, and the top end of the top of the clamping jaw is rotationally connected with the bottom of the hydraulic push rod.

[0012] Optionally, the bottom of the connecting seat is provided with an electromagnet.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The special grab bucket for fishing operation, through setting up clamping jaw and telescopic rod, pushing the clamping jaw to clamp materials through the hydraulic push rod, when the clamping jaw clamps large materials and cannot be completely closed, the driving motor starts, drives the rotating rod and gear to rotate, and then pushes the telescopic rod to extend the clamping jaw, extends the sharp corner and telescopic rod to the below of the materials, protects the bottom of the clamping jaw which is not closed, and prevents the materials from falling in the process of moving the grab bucket.

[0015] 2、The special grab bucket for fishing operation, through setting up the protective cover, when the clamping jaw extends into the water surface to fish, the protective cover prevents the external object from impacting and damaging the hydraulic push rod, and the electromagnet arranged at the bottom of the connecting seat can provide additional adsorption force to the iron device for fishing, and prevents the heavy iron from falling. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is the whole structure schematic view of the special grab bucket for fishing operation of the utility model;

[0017] Fig. 2 It is the structure schematic view of the clamping jaw of the special grab bucket for fishing operation of the utility model;

[0018] Fig. 3 It is the structure schematic view of the sliding groove of the special grab bucket for fishing operation of the utility model;

[0019] Fig. 4 It is the structure schematic view of the telescopic rod of the special grab bucket for fishing operation of the utility model.

[0020] In the drawing: 1, connecting seat; 2, hydraulic push rod; 3, clamping jaw; 4, clamping jaw; 5, sharp corner; 6, driving motor; 7, rotating rod; 8, sliding groove; 9, sliding block; 10, telescopic rod; 11, gear; 12, gear slot; 13, first bevel gear; 14, second bevel gear; 15, protective cover; 16, electromagnet. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figs. 1 to 4 This utility model provides a special grab for salvage operations, including a connecting seat 1. A hydraulic push rod 2 is rotatably connected to the top of the outer peripheral surface of the connecting seat 1. A gripper 3 is rotatably connected to the top of the outer peripheral surface of the connecting seat 1. The top of the gripper 3 is rotatably connected to the bottom of the hydraulic push rod 2. Jaws 4 are fixedly installed on the inner arc surface of the gripper 3. A sliding groove 8 is formed on the outer peripheral surface of the gripper 3. A drive motor 6 located on one side of the sliding groove 8 is fixedly installed on the outer peripheral surface of the gripper 3. A sliding block 9 is slidably connected inside the sliding groove 8. A telescopic rod 10 located inside the gripper 3 is fixedly installed on the sliding block 9. A pointed corner 5 located at the bottom of the gripper 3 is fixedly installed at the bottom of the telescopic rod 10. The bottom of the sliding groove 8 rotates... A rotating rod 7 is connected, with one end of the rotating rod 7 being connected to the output end of the drive motor 6. A gear 11 is fixedly installed inside the sliding groove 8 on the rotating rod 7. A toothed groove 12 is opened on the side of the telescopic rod 10, and the gear 11 meshes with the toothed groove 12. By setting the gripper 3 and the telescopic rod 10, the gripper 3 is pushed by the hydraulic push rod 2 to grip the material. When the gripper 3 grips a large material and cannot close completely, the drive motor 6 starts, driving the rotating rod 7 and the gear 11 to rotate, thereby pushing the telescopic rod 10 to extend out of the gripper 3, extending the sharp corner 5 and the telescopic rod 10 to below the material, protecting the bottom of the unclosed gripper 3, and preventing the material from falling during the movement of the grab bucket.

[0023] The output end of the driving motor 6 is fixedly installed with a first bevel gear 13, one end of the rotating rod 7 is fixedly installed with a second bevel gear 14 located outside the clamping jaw 3, the first bevel gear 13 is engaged with the second bevel gear 14, the telescopic rod 10 is circular arc-shaped, the outer arc surface of the telescopic rod 10 is in sliding contact with the arc surface inside the clamping jaw 3, the length of the telescopic rod 10 is less than the length of the clamping jaw 3, the width of the telescopic rod 10 is greater than the width of the sliding groove 8, the sliding block 9 is fixedly installed with the top of one side of the telescopic rod 10, the outer peripheral surface of the connecting seat 1 is fixedly installed with a protective cover 15, the protective cover 15 is wrapped outside the hydraulic push rod 2, the bottom end of the top of the clamping jaw 3 is rotationally connected with the bottom of the outer peripheral surface of the connecting seat 1, the top end of the top of the clamping jaw 3 is rotationally connected with the bottom of the hydraulic push rod 2, the bottom of the connecting seat 1 is provided with an electromagnet 16, by arranging the protective cover 15, when the clamping jaw 3 is extended into the water surface for salvage, the protective cover 15 prevents external objects from impacting and damaging the hydraulic push rod, and the electromagnet 16 arranged at the bottom of the connecting seat 1 can provide additional adsorption force for salvaged iron devices, preventing heavy iron from falling.

[0024] Working principle:

[0025] The clamping jaw 3 is pushed by the hydraulic push rod 2 to clamp the material, when the clamping jaw 3 clamps a large material and cannot be completely closed, the driving motor 6 is started to drive the rotating rod 7 and the gear 11 to rotate, thereby pushing the telescopic rod 10 to extend out of the clamping jaw 3, the sharp corner 5 and the telescopic rod 10 are extended to below the material, the bottom of the clamping jaw 3 which is not closed is protected, preventing the material from falling during the movement of the grab bucket, when the clamping jaw 3 is extended into the water surface for salvage, the protective cover 15 prevents external objects from impacting and damaging the hydraulic push rod, and the electromagnet 16 arranged at the bottom of the connecting seat 1 can provide additional adsorption force for salvaged iron devices, preventing heavy iron from falling.

[0026] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A special grab for fishing operations, comprising a connection seat (1), characterized in that, The outer periphery of the connecting seat (1) is rotatably connected with a hydraulic push rod (2), the outer periphery of the connecting seat (1) is rotatably connected with a clamping jaw (3), the top of the clamping jaw (3) is rotatably connected with the bottom of the hydraulic push rod (2), the inner arc surface of the clamping jaw (3) is fixedly installed with a jaw (4), the outer periphery of the clamping jaw (3) is provided with a sliding groove (8), the outer periphery of the clamping jaw (3) is fixedly installed with a drive motor (6) located on one side of the sliding groove (8), the sliding groove (8) is slidably connected with a sliding block (9), the sliding block (9) is fixedly installed with a telescopic rod (10) located in the clamping jaw (3), the bottom of the telescopic rod (10) is fixedly installed with a sharp corner (5) located at the bottom of the clamping jaw (3), the bottom of the sliding groove (8) is rotatably connected with a rotating rod (7), one end of the rotating rod (7) is in transmission connection with the output end of the drive motor (6), the rotating rod (7) is fixedly installed with a gear (11) located in the sliding groove (8), the side surface of the telescopic rod (10) is provided with a gear slot (12), and the gear (11) is in meshing connection with the gear slot (12).

2. A special grab for salvage operations according to claim 1, characterized in that, The output end of the drive motor (6) is fixedly installed with a first bevel gear (13), one end of the rotating rod (7) is fixedly installed with a second bevel gear (14) located outside the clamping jaw (3), and the first bevel gear (13) is in meshing connection with the second bevel gear (14).

3. A special grab for salvage operations according to claim 1, characterized in that, The telescopic rod (10) is arc-shaped, the outer arc surface of the telescopic rod (10) is in sliding contact with the arc surface in the clamping jaw (3), and the length of the telescopic rod (10) is less than the length of the clamping jaw (3).

4. A specialized grab for salvage operations according to claim 3, characterized in that, The width of the telescopic rod (10) is greater than the width of the sliding groove (8), and the top of one side of the telescopic rod (10) is fixedly installed with the sliding block (9).

5. A specialized grab for salvage operations according to claim 1, characterized in that, The outer periphery of the connecting seat (1) is fixedly installed with a protective cover (15), and the protective cover (15) is wrapped outside the hydraulic push rod (2).

6. A specialized grab for salvage operations according to claim 1, characterized in that, The bottom end of the top of the clamping jaw (3) is rotatably connected with the bottom of the outer periphery of the connecting seat (1), and the top end of the top of the clamping jaw (3) is rotatably connected with the bottom of the hydraulic push rod (2).

7. A specialized grab for salvage operations according to claim 1, characterized in that, The bottom of the connecting seat (1) is provided with an electromagnet (16).

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