CN211470556U - Electric motor grab bucket - Google Patents

Abstract

The utility model provides an electric motor grab bucket, characterized by, which belongs to the technical field of grab buckets: comprises a lifting ring, an upper bearing beam, a lower bearing beam and two symmetrically arranged material taking hoppers; a lower bearer is arranged below the upper bearer, vertical spiral lifters and motors for driving the spiral lifters are arranged at the positions of the bottom surface of the upper bearer, which are close to the end parts of the two ends, of the upper bearer, the telescopic ends of the spiral lifters are correspondingly and fixedly connected with the lower bearer, and a shell of the spiral lifter penetrates through the upper bearer; the two sides of the top of the material taking hopper, which correspond to the opening end of the material taking hopper, are respectively provided with lugs correspondingly hinged with the two ends of the lower bearing beam, the two sides of the other end of the top of the material taking hopper are respectively correspondingly hinged with one end of two connecting rods, and the other ends of the two connecting rods are respectively correspondingly hinged with the two ends of the upper bearing beam; the utility model discloses it is lower effectively to have solved current grab bucket safety performance by oneself, can't be in the narrow or lean on the problem of the smooth operation under the operating mode such as wall.

Description

Electric motor grab bucket

Technical Field

The utility model belongs to the technical field of the grab bucket technique and specifically relates to an electric motor grab bucket is related to.

Background

As the structure adopts a flexible device, a limiting device and a protecting device are not easy to install, and the problems of breaking the flexible device, deformation of an upper bearing beam, deformation of a lower bearing beam, breaking a pulley shaft and the like are easily caused in the using process, so that the production efficiency of an enterprise is seriously influenced; in addition, the opening and closing direction of the existing grab bucket can not be controlled mostly, and material taking operation can not be carried out smoothly under special environments such as narrow or close to a wall, and the phenomenon is a problem to be solved by technical personnel in the field.

Disclosure of Invention

In order to overcome the deficiencies in the background art, the utility model discloses an electric motor grab bucket.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an electric motor grab bucket comprises a lifting ring, an upper bearing beam, a lower bearing beam and two symmetrically arranged material taking hoppers; a lower bearer is arranged below the upper bearer, vertical spiral lifters and motors for driving the spiral lifters are arranged at the positions of the bottom surface of the upper bearer, which are close to the end parts of the two ends, of the upper bearer, the telescopic ends of the spiral lifters are correspondingly and fixedly connected with the lower bearer, and a shell of the spiral lifter penetrates through the upper bearer; the two sides of the top of the material taking hopper, which correspond to the opening end of the material taking hopper, are respectively provided with lugs correspondingly hinged with the two ends of the lower bearing beam, the two sides of the other end of the top of the material taking hopper are respectively correspondingly hinged with one end of two connecting rods, and the other ends of the two connecting rods are respectively correspondingly hinged with the two ends of the upper bearing beam; the top central point of going up the bolster puts and is equipped with the electric rotary table that is used for the rotatory upper bolster of drive, and electric rotary table and spiral elevator's casing mutually noninterfere, electric rotary table revolving stage face corresponds fastening connection with upper bolster top face, and electric rotary table's casing top is equipped with the rings that are used for lifting by crane.

Preferably, the lug plate is fixedly connected with a synchronous gear at one end corresponding to the lower bolster, the axis of the synchronous gear is correspondingly superposed with the axis of a hinged shaft correspondingly hinged with the corresponding lug plate and the lower bolster, and two synchronous gears positioned at the same end of the lower bolster are correspondingly meshed.

Preferably, a distance measuring instrument for detecting the distance between the upper bearing beam and the lower bearing beam is arranged at the bottom of the upper bearing beam.

Preferably, the two spiral lifters are correspondingly in driving connection through the same transmission shaft, and the transmission shaft is correspondingly in driving connection with the motor.

Preferably, the motor is in corresponding transmission connection with the transmission shaft through a speed reducer.

Preferably, the upper and lower bolster beams are both hollow beams.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

the utility model discloses an electric motor grab bucket, simple structure, easy assembly, low production cost, two spiral lifters are correspondingly drive-connected through the same transmission shaft, the transmission shaft is correspondingly drive-connected with a motor, two spiral lifters are driven through the same transmission shaft, and the telescopic ends of the two spiral lifters can be effectively ensured to be capable of synchronously ascending or descending; the corresponding ends of the lugs and the lower bolster are fixedly connected with synchronous gears, the axes of the synchronous gears are correspondingly superposed with the axes of the hinged shafts correspondingly hinged with the corresponding lugs and the lower bolster, the two synchronous gears positioned at the same end of the lower bolster are correspondingly meshed, and the synchronous closing or opening actions of the two material taking hoppers are ensured to be synchronous through the meshing relationship of the corresponding synchronous gears; the material taking hopper is controlled to rotate along the axis of the electric rotating table through the electric rotating table, so that the opening direction of the material taking hopper is controlled, and therefore an operator can take materials under special environments such as narrow or close to a wall.

Drawings

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

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

In the figure: 1. a hoisting ring; 2. an upper bolster; 3. a lower bolster; 4. a material taking hopper; 5. a screw elevator; 6. a motor; 7. a tab; 8. a connecting rod; 9. an electric rotating table; 10. and (5) synchronizing gears.

Detailed Description

The invention will be explained in more detail by the following examples, which disclose the invention and are intended to protect all technical improvements within the scope of the invention.

With reference to the attached drawings 1-2, an electric motor grab bucket comprises a lifting ring 1, an upper bearer 2, a lower bearer 3 and two symmetrically arranged material taking hoppers 4; a lower bearer 3 is arranged below the upper bearer 2, and vertical spiral lifters 5 and motors 6 for driving the spiral lifters 5 are arranged at the positions of the bottom surface of the upper bearer 2, which are close to the end parts of the two ends; according to the requirements, the two spiral lifters 5 are correspondingly connected through the same transmission shaft in a driving mode, the transmission shaft is correspondingly connected with the motor 6 in a driving mode, the two spiral lifters 5 are driven through the same transmission shaft, the telescopic ends of the two spiral lifters 5 can be effectively ensured to be capable of ascending or descending synchronously, the motor 6 is correspondingly connected with the transmission shaft in a driving mode through the speed reducer, and the torque of the motor 6 can be effectively increased; the telescopic end of the spiral lifter 5 is correspondingly and fixedly connected with the lower bearer 3, and the shell of the spiral lifter 5 penetrates through the upper bearer 2; the two sides of the top of the material taking hopper 4, which correspond to the open end of the material taking hopper 4, are respectively provided with lugs 7 correspondingly hinged with the two ends of the lower bolster 3, the two sides of the other end of the top of the material taking hopper 4 are respectively correspondingly hinged with one ends of two connecting rods 8, the other ends of the two connecting rods 8 are respectively correspondingly hinged with the two ends of the upper bolster 2, namely, the telescopic ends of the two spiral elevators 5 synchronously ascend or descend, so that the distance between the upper bolster 2 and the lower bolster 3 is reduced or increased, further the two material taking hoppers 4 are controlled to be closed or opened, the distance between the upper bolster 2 and the lower bolster 3 is controlled by the spiral elevators 5 to indirectly control the closing or opening angle of the material taking hopper 4, and the motor 6 and the lower bolster 3 do not interfere with each other in the; according to the requirement, the lug 7 is fixedly connected with the synchronous gear 10 at one end corresponding to the lower bolster 3, the axis of the synchronous gear 10 is correspondingly superposed with the axis of the hinged shaft corresponding to the lug 7 and the lower bolster 3, the two synchronous gears 10 at the same end of the lower bolster 3 are correspondingly meshed, and the synchronous closing or opening actions of the two material taking hoppers 4 are ensured to be synchronous through the meshing relation of the corresponding synchronous gears 10 so as to ensure that the material taking operation can be smoothly carried out;

an electric rotating platform 9 used for driving the upper support beam 2 to rotate is arranged at the center of the top of the upper support beam 2, the electric rotating platform 9 and a shell of the spiral elevator 5 are not interfered with each other, a rotating platform surface of the electric rotating platform 9 is correspondingly and fixedly connected with the top surface of the upper support beam 2, and a lifting ring 1 used for lifting is arranged at the top of the shell of the electric rotating platform 9, namely, the material taking hopper 4 can be controlled to rotate along the axis of the electric rotating platform 9 through the electric rotating platform 9, so that the opening direction of the material taking hopper 4 is controlled, and an operator can take materials under special environments such as narrow or close to a wall and the like; in addition, the distance measuring instrument for detecting the distance between the upper bearer 2 and the lower bearer 3 is arranged at the bottom of the upper bearer 2, namely the distance between the upper bearer 2 and the lower bearer 3 can be detected through the distance measuring instrument, the minimum distance is set, the misoperation of an operator is avoided, the telescopic end of the spiral elevator 5 is still continuously operated to ascend after the two material taking hoppers 4 are closed, so that the spiral elevator 5 or the material taking hoppers 4 are damaged, and the safety performance is effectively improved; the upper bearing beam 2 and the lower bearing beam 3 are both hollow beams, so that the weight of the whole structure can be effectively reduced, and further, the load capacity of the lifting device can be effectively reduced.

When the electric motor grab bucket of the utility model is used, the lifting ring 1 is correspondingly hung with the lifting hook of the crane, and the lifting hook of the crane is ensured not to rotate in the lifting process; the two spiral lifters 5 are synchronously driven by the motor 6, the telescopic ends of the two spiral lifters 5 synchronously ascend or descend, so that the distance between the upper bearing beam 2 and the lower bearing beam 3 is reduced or increased, the two material taking hoppers 4 are controlled to be closed or opened, and the distance between the upper bearing beam 2 and the lower bearing beam 3 is controlled by the spiral lifters 5 to indirectly control the closing or opening angle of the material taking hoppers 4; when the material taking operation is performed in a narrow or wall-close special environment, the material taking hopper 4 can be controlled to rotate along the axis of the electric rotating platform 9 through the electric rotating platform 9, and then the opening direction of the material taking hopper 4 is controlled, so that the material taking operation can be performed smoothly.

The part of the utility model not detailed is prior art.

Claims (6)

1. An electric motor grab bucket, characterized by: comprises a lifting ring (1), an upper bearing beam (2), a lower bearing beam (3) and two symmetrically arranged material taking hoppers (4); a lower bearing beam (3) is arranged below the upper bearing beam (2), vertical spiral lifters (5) and motors (6) for driving the spiral lifters (5) are arranged at the positions, close to the end parts of the two ends, of the bottom surface of the upper bearing beam (2), the telescopic ends of the spiral lifters (5) are correspondingly and fixedly connected with the lower bearing beam (3), and a shell of each spiral lifter (5) penetrates through the upper bearing beam (2); lugs (7) correspondingly hinged with the two ends of the lower bearing beam (3) are respectively arranged on the two sides of the top of the material taking hopper (4) corresponding to the opening end of the material taking hopper (4), the two sides of the other end of the top of the material taking hopper (4) are correspondingly hinged with one ends of two connecting rods (8), and the other ends of the two connecting rods (8) are correspondingly hinged with the two ends of the upper bearing beam (2); go up the top central point of bolster (2) and put and be equipped with electric rotary table (9) that are used for the rotatory of drive bolster (2), and electric rotary table (9) and spiral elevator (5) the casing mutually noninterfere, electric rotary table (9) rotary table face corresponds the fastening connection with last bolster (2) top face, and the casing top of electric rotary table (9) is equipped with rings (1) that are used for lifting by crane.

2. The electric motor grapple of claim 1, wherein: the synchronous gear (10) is fixedly connected with one end, corresponding to the lower bolster (3), of the lug plate (7), the axis of the synchronous gear (10) is correspondingly overlapped with the axis of the hinged shaft corresponding to the corresponding lug plate (7) and the lower bolster (3), and the two synchronous gears (10) located at the same end of the lower bolster (3) are correspondingly meshed.

3. The electric motor grapple of claim 1, wherein: and a distance meter for detecting the distance between the upper bearing beam (2) and the lower bearing beam (3) is arranged at the bottom of the upper bearing beam (2).

4. The electric motor grapple of claim 1, wherein: the two spiral lifters (5) are correspondingly in driving connection through the same transmission shaft, and the transmission shaft is correspondingly in driving connection with the motor (6).

5. The electric motor grapple of claim 3, wherein: the motor (6) is correspondingly in transmission connection with the transmission shaft through a speed reducer.

6. The electric motor grapple of claim 1, wherein: the upper bearing beam (2) and the lower bearing beam (3) are both hollow beams.

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