CN212559133U

CN212559133U - Electric hydraulic rectangular grab bucket

Info

Publication number: CN212559133U
Application number: CN202021126802.4U
Authority: CN
Inventors: 于德俊; 章琅浩
Original assignee: Shanghai Global Machinery Co ltd
Current assignee: Shanghai Global Machinery Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-02-19
Anticipated expiration: 2030-06-17

Abstract

The utility model relates to the technical field of grab buckets, in particular to an electric hydraulic rectangular grab bucket, which comprises a lifting ring, a box body and a bucket petal, the utility model increases the volume of the box body by arranging a main oil tank and an auxiliary oil tank, improves the circulation area, is more beneficial to heat dissipation, the main oil tank and the auxiliary oil tank can be respectively lifted out by a hydraulic device when in maintenance, thereby the operation in a narrow area of the grab bucket box body is not needed, the maintenance and the maintenance of the hydraulic device are greatly facilitated, the weight of two ends of the box body is equal when the oil is filled in the main oil tank and the auxiliary oil tank, the self-inclination of the grab bucket is effectively avoided, the hydraulic system of the rectangular grab bucket relative to the conventional manufacturer is arranged in the middle, a valve block is arranged on one side, the grab bucket can incline due to dead weight, the size of the single oil tank is large to meet the requirement of the system, and the box body, however, the utility model discloses a main fuel tank and bellytank just can reduce the size of box, can satisfy the volumetric demand of oil tank again greatly.

Description

Electric hydraulic rectangular grab bucket

Technical Field

The utility model relates to a grab bucket technical field specifically is an electronic hydraulic pressure rectangle grab bucket.

Background

The electro-hydraulic grab bucket is used as an important component of hoisting equipment, but because a crane is often in environments such as high-temperature damp and hot, dust flying, seawater salt fog and the like, the lifting speed is high, the lifting frequency is high, the working environment of the electro-hydraulic grab bucket is severe, a hydraulic system of the existing electro-hydraulic grab bucket is arranged in the middle, a valve block is arranged on one side, the grab bucket can incline due to dead weight, so that great potential safety hazards are brought during working, and when the hydraulic system is damaged, the disassembly and maintenance are difficult, and aiming at the problems, the electro-hydraulic rectangular grab bucket is designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic hydraulic pressure rectangle grab bucket to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an electro-hydraulic rectangular grab bucket comprises a hanging ring, a box body and bucket flaps, wherein a hoisting chain is sleeved at the bottom of the hanging ring, the bottom end of the hoisting chain is connected with the box body through a fixed block, a hydraulic device is installed inside the box body, eight bucket flaps are installed on two sides of the bottom of the box body, tooth tips are welded at the bottom ends of the bucket flaps, a hydraulic oil cylinder is connected between the top of the bucket flaps and the top of the side face of the box body, a protective cover is installed on the side face of the box body at the top of the side face of the hydraulic oil cylinder, and;

the hydraulic device comprises a main oil tank, an auxiliary oil tank, a motor and an oil return filter, wherein the main oil tank and the auxiliary oil tank are respectively arranged at two ends of the bottom of the box body, a hose is connected between the main oil tank and the auxiliary oil tank, the top of the main oil tank is connected with the motor through an oil pump, the oil return filter is arranged at the top of the auxiliary oil tank, and a valve block is arranged between the motor and the oil return filter in the middle of an inner cavity of the box body.

Preferably, the protective cover and the baffle are fixedly connected with the box body through fixing bolts, and the main oil tank, the auxiliary oil tank and the valve block are fixedly connected with the inner part of the box body through fixing bolts.

Preferably, the hydraulic oil cylinder is movably connected with the box body and the bucket flap through a first pin shaft, and the bucket flap is movably connected with the bottom of the box body through a second pin shaft, so that the hydraulic oil cylinder drives the bucket flap to open and close.

Preferably, the bucket petal is of a plate shell structure, the bucket petal is made of a low-carbon alloy plate, the tooth point is made of an inlet wear-resisting plate, the use wear resistance of the bucket petal and the tooth point is improved, and the service life is prolonged.

Preferably, two hoses are arranged between the main oil tank and the auxiliary oil tank, and the valve block is connected with the motor and the oil return filter through the hoses to form a complete hydraulic system.

Preferably, when the main oil tank and the auxiliary oil tank are filled with oil, the weight of two ends of the tank body is equal, and the self inclination of the grab bucket is effectively avoided.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up main tank and bellytank to increased the volume of box, improved circulation area, do benefit to the heat dissipation more.

2. The utility model discloses a hydraulic means can lift off main tank and bellytank respectively when the maintenance to need not operate in the narrow region of grab bucket box, greatly made things convenient for hydraulic means's maintenance and maintenance.

3. The utility model discloses a box both ends weight equals when main tank and bellytank are equipped with fluid, has effectively avoided the slope of grab bucket self, arranges in the centre for the hydraulic system of the rectangle grab bucket of conventional producer, and the valve block is on one side, and the grab bucket can incline because of the dead weight takes place.

4. For general electronic hydraulic grab bucket, the single oil tank of adoption will be done greatly in order to satisfy the needs size of system for the box is corresponding increase in order, nevertheless the utility model discloses a main oil tank and bellytank just can reduce the size of box, can satisfy the volumetric demand of oil tank again greatly.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic top view of the bucket petal of the present invention;

fig. 4 is a schematic structural diagram of the hydraulic apparatus of the present invention.

In the figure: 1. a hoisting ring; 2. a box body; 3. a hydraulic device; 4. a protective cover; 5. a hydraulic cylinder; 6. fixing the bolt; 7. a first pin shaft; 8. a hoisting chain; 9. a tooth tip; 10. a second pin shaft; 11. a baffle plate; 12. a fixed block; 13. a bucket petal; 14. a main oil tank; 15. a secondary fuel tank; 16. a hose; 17. an oil pump; 18. a motor; 19. a valve block; 20. and an oil return filter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution: an electric hydraulic rectangular grab bucket comprises a lifting ring 1, a box body 2 and bucket flaps 13, wherein a lifting chain 8 is sleeved at the bottom of the lifting ring 1, the bottom end of the lifting chain 8 is connected with the box body 2 through a fixing block 12, a hydraulic device 3 is installed inside the box body 2, eight bucket flaps 13 are installed on two sides of the bottom of the box body 2, tooth tips 9 are welded at the bottom ends of the bucket flaps 13, a hydraulic oil cylinder 5 is connected between the top of each bucket flap 13 and the top of the side face of the box body 2, a protective cover 4 is installed on the side face of the box body 2 at the top of the side face of the hydraulic oil;

the hydraulic device 3 comprises a main oil tank 14, an auxiliary oil tank 15, a motor 18 and an oil return filter 20, wherein the main oil tank 14 and the auxiliary oil tank 15 are respectively installed at two ends of the bottom of the box body 2, a hose 17 is connected between the main oil tank 14 and the auxiliary oil tank 15, the top of the main oil tank 14 is connected with the motor 18 through an oil pump 17, the oil return filter 20 is installed at the top of the auxiliary oil tank 15, and a valve block 19 is installed between the motor 18 and the oil return filter 20 and in the middle of an inner.

Further, the protective cover 4 and the baffle 11 are fixedly connected with the box body 2 through fixing bolts 6, and the main oil tank 14, the auxiliary oil tank 15 and the valve block 19 are fixedly connected with the inside of the box body 2 through the fixing bolts 6.

Furthermore, the hydraulic oil cylinder 5 is movably connected with the box body 2 and the bucket flap 13 through a first pin shaft 7, and the bucket flap 13 is movably connected with the bottom of the box body 2 through a second pin shaft 10, so that the hydraulic oil cylinder 5 drives the bucket flap 13 to open and close.

Further, bucket lamella 13 is the shell structure, and bucket lamella 13 adopts the low carbon alloy board to make, and tooth point 9 adopts the import antifriction plate to make, increases bucket lamella 13 and tooth point 9's use wearability, improves life.

Furthermore, two hoses 17 are arranged between the main oil tank 14 and the auxiliary oil tank 15, and the valve block 19 is connected with the motor 18 and the return oil filter 20 through the hoses 17 to form a complete hydraulic system.

Furthermore, when the main oil tank 14 and the auxiliary oil tank 15 are filled with oil, the weight of two ends of the tank body 2 is equal, and the self inclination of the grab bucket is effectively avoided.

The working principle is as follows: after the motor 18 is started, the oil pump 17 sucks oil from the main oil tank 14, pressure oil enters the hydraulic oil cylinder 5 through the reversing valve group, and hydraulic oil of the hydraulic oil cylinder 5 returns to the auxiliary oil tank 15 through the oil return filter 20, so that the bucket flap 13 is quickly opened; when the reversing valve is powered on, pressure oil enters the oil cylinder, and after the hydraulic control one-way valve integrated in the hydraulic oil returns to the auxiliary oil tank 15 through the oil return filter 20, the grab bucket is closed.

The utility model discloses a set up main tank 14 and bellytank 15 to increased the volume of box 2, improved circulation area, do benefit to the heat dissipation more.

The utility model discloses a hydraulic means 3 can hang out main oil tank 14 and bellytank 15 respectively when the maintenance to need not operate in the narrow region of grab bucket box 2, greatly made things convenient for hydraulic means 3's maintenance and maintenance.

The utility model discloses a box both ends weight equals when main tank 14 and bellytank 15 are equipped with fluid, has effectively avoided the slope of grab bucket self, arranges in the centre for the hydraulic system of the rectangle grab bucket of conventional producer, and valve block 19 is on one side, and the grab bucket can incline because of the dead weight takes place.

For general electronic hydraulic grab bucket, the single oil tank of adoption will be done greatly in order to satisfy the needs size of system for box 2 is corresponding increase in addition, nevertheless the utility model discloses a main oil tank 14 and bellytank 15 just can reduce the size of box, can satisfy the volumetric demand of oil tank again greatly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electronic hydraulic pressure rectangle grab bucket, includes rings (1), box (2) and fill lamella (13), its characterized in that: the lifting chain (8) is sleeved at the bottom of the lifting ring (1), the bottom end of the lifting chain (8) is connected with the box body (2) through a fixing block (12), a hydraulic device (3) is installed inside the box body (2), eight bucket flaps (13) are installed on two sides of the bottom of the box body (2), a tooth tip (9) is welded at the bottom end of each bucket flap (13), a hydraulic oil cylinder (5) is connected between the top of each bucket flap (13) and the top of the side face of the box body (2), a protective cover (4) is installed on the side face of the box body (2) on the top of the side face of the hydraulic oil cylinder (5), and a baffle (11) is installed at the joint of;

hydraulic means (3) include main tank (14), bellytank (15), motor (18) and return oil filter (20), install respectively at box (2) bottom both ends main tank (14) and bellytank (15), be connected with hose (16) between main tank (14) and bellytank (15), main tank (14) top is connected with motor (18) through oil pump (17), return oil filter (20) are installed at bellytank (15) top, install valve piece (19) in the middle of box (2) inner chamber between motor (18) and return oil filter (20).

2. The electro-hydraulic rectangular grab bucket of claim 1, wherein: the protective cover (4) and the baffle (11) are fixedly connected with the box body (2) through fixing bolts (6), and the main oil tank (14), the auxiliary oil tank (15) and the valve block (19) are fixedly connected with the interior of the box body (2) through the fixing bolts (6).

3. The electro-hydraulic rectangular grab bucket of claim 1, wherein: the hydraulic oil cylinder (5) is movably connected with the box body (2) and the bucket flap (13) through a first pin shaft (7), and the bucket flap (13) is movably connected with the bottom of the box body (2) through a second pin shaft (10).

4. The electro-hydraulic rectangular grab bucket of claim 1, wherein: the bucket petal (13) is of a plate shell structure, the bucket petal (13) is made of a low-carbon alloy plate, and the tooth tip (9) is made of an inlet wear-resisting plate.

5. The electro-hydraulic rectangular grab bucket of claim 1, wherein: two hoses (16) are arranged between the main oil tank (14) and the auxiliary oil tank (15), and the valve block (19) is connected with the motor (18) and the oil return filter (20) through the hoses (16).

6. The electro-hydraulic rectangular grab bucket of claim 1, wherein: when the main oil tank (14) and the auxiliary oil tank (15) are filled with oil, the weight of two ends of the tank body (2) is equal.