CN112681439A

CN112681439A - Mechanical excavating bucket capable of rotatably excavating and dumping

Info

Publication number: CN112681439A
Application number: CN202110113105.8A
Authority: CN
Inventors: 路喜
Original assignee: Shenzhen Wenliye Trade Co ltd
Current assignee: Shenzhen Wenliye Trade Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-04-20

Abstract

The invention discloses a mechanical excavating bucket for rotary excavating and dumping, which comprises an excavating bucket shell and two excavating bucket rings, wherein an excavating bucket cavity with a downward opening and a soil piling cavity positioned at the left lower side of the excavating bucket cavity are arranged in the excavating bucket shell, an excavating bucket mechanism is arranged in the excavating bucket cavity, the excavating bucket mechanism comprises a main shaft which is rotatably connected between the front cavity wall and the rear cavity wall of the excavating bucket cavity, the front side and the rear side of the middle part of the main shaft in the excavating bucket cavity are respectively and fixedly connected with an inner buffer ring, three large hinged cavities are respectively arranged on the inner buffer rings, and an inner small rotating shaft is rotatably connected between the front cavity wall and the rear cavity wall of each large hinged cavity.

Description

Mechanical excavating bucket capable of rotatably excavating and dumping

Technical Field

The invention relates to the field related to excavators, in particular to a mechanical excavating bucket for rotationally excavating and discharging soil.

Background

An excavator, also called excavating machine, also called excavator, is an earth moving machine which excavates materials higher or lower than a bearing surface by a bucket and loads the materials into a transport vehicle or unloads the materials to a stockyard, and the development of the excavator is relatively fast in recent years, and the excavator becomes one of the most important engineering machines in engineering construction;

the trenching and digging are also common operations in the construction content, the conventional excavator is more or less laborious in trenching and digging, the conventional excavator needs to be turned back again to dump soil to the side after digging, and the operation actions of workers are more and difficult.

Disclosure of Invention

The invention aims to provide a mechanical excavating bucket for rotatably excavating and discharging soil, which solves the problem that a conventional excavator is difficult to excavate a ditch or a pit, and realizes quick excavation while rotating and simultaneously collecting and discharging soil.

The invention is realized by the following technical scheme.

The invention relates to a mechanical excavating bucket for rotary excavation and dumping, which comprises an excavating bucket shell and two excavating bucket rings, wherein an excavating bucket cavity with a downward opening and a soil piling cavity positioned at the lower left side of the excavating bucket cavity are arranged in the excavating bucket shell, an excavating bucket mechanism is arranged in the excavating bucket cavity, the excavating bucket mechanism comprises a main shaft which is rotatably connected between the front cavity wall and the rear cavity wall of the excavating bucket cavity, inner buffer rings are respectively and fixedly connected at the front side and the rear side of the middle part of the main shaft in the excavating bucket cavity, three large hinged cavities are respectively arranged on the inner buffer rings, an inner small rotating shaft is rotatably connected between the front cavity wall and the rear cavity wall of the large hinged cavity, an inner supporting shaft is rotatably connected on the inner small rotating shaft, air cylinders are respectively and fixedly connected on the inner supporting shafts, air pressure cavities are arranged in the air cylinders, a clapper is slidably connected in the air pressure cavities, a sealing ring is fixedly connected on the clapper, a piston rod is fixedly connected to one end, away from the circle center, of the racket head, one end, away from the circle center, of the piston rod penetrates through the corresponding air cylinder and penetrates out of the air cylinder, three small hinged cavities corresponding to the piston rod are arranged in the bucket rings, an outer small rotating shaft is rotatably connected between the front cavity wall and the rear cavity wall of each small hinged cavity and is rotatably connected with the outer end of the piston rod, three bucket shafts and limiting strips are fixedly connected between the corresponding positions of the two bucket rings, buckets for excavating are rotatably connected to the limiting strips, limiting cavities with outward openings are suitably arranged on the buckets, limiting heads are slidably connected in the limiting cavities, one ends, close to the limiting heads, of the limiting heads are fixedly connected with limiting cavities respectively corresponding to the limiting cavities, and limiting holes are arranged at suitable positions corresponding to the limiting heads for positioning, and a large brush for cleaning the bucket mechanism is fixedly connected to the proper position of the lower side cavity wall of the bucket cavity.

Further, still be equipped with in the dipper shell and be located the big belt chamber of dipper chamber rear side and be located the back bevel gear chamber of the oblique rear side position upside in heap soil cavity, fixedly connected with motor just in the back bevel gear chamber front side chamber wall the motor power connects the rear drive axle and goes the rear drive axle passes back bevel gear chamber with big belt chamber, the rear drive axle is in fixedly connected with left belt pulley in the big belt chamber, main shaft rear portion also passes big belt chamber and fixedly connected with right belt pulley in the big belt chamber, installs big belt between left belt pulley and the right belt pulley.

Further, a front bevel gear cavity located on the front side of the motor, a left bevel gear cavity located on the rear side of the front bevel gear cavity and the rear bevel gear cavity and communicated with the front bevel gear cavity and the rear bevel gear cavity, a front belt cavity located on the front side of the front bevel gear cavity, a rear belt cavity located on the rear side of the rear bevel gear cavity, a front spiral cavity located on the rear side of the front belt cavity and a rear spiral cavity located on the rear side of the front spiral cavity are further arranged in the bucket shell, a front transmission shaft is rotationally connected between the front and rear cavity walls of the front belt cavity and also passes through the rear belt cavity, the rear side part of the front transmission shaft passes through the front bevel gear cavity and is fixedly connected with a front bevel gear in the front bevel gear cavity, a rear bevel gear is fixedly connected in the rear bevel gear cavity, a bevel gear shaft is rotationally connected between the left side and the right side of the left bevel gear cavity and is fixedly connected with the front bevel gear and the bevel gear shaft respectively And the rear bevel gear is meshed with the transmission bevel gear.

Furthermore, the front spiral cavity and the rear spiral cavity are connected with a spiral shaft in a rotating mode, the spiral shaft is connected with the front spiral cavity and the rear spiral cavity in a multiple mode, the surface of the spiral shaft is fixedly connected with a soil discharging spiral with the spiral for carrying soil on two sides, the rear side of the spiral shaft penetrates through the front belt cavity and the front side of the spiral shaft penetrates through the rear belt cavity, the two spiral shafts are respectively arranged in the front belt cavity and the rear belt cavity and fixedly connected with lower small belt pulleys, the front transmission shaft and the rear transmission shaft are respectively arranged in the front belt cavity and the rear belt cavity and fixedly connected with upper small belt pulleys, and each upper small belt pulley corresponds to a small belt arranged between the lower small belt pulleys.

Furthermore, suitable positions in the front side cavity wall and the rear side cavity wall of the lower side part of the soil piling cavity are respectively provided with a soil discharging opening with a front opening and a rear opening.

The invention has the beneficial effects that: the device simple structure cost is cheap relatively, the later maintenance of being convenient for, the simple operation is different from the operation of conventional excavator bucket, does not need manual operation bucket to excavate during this bucket operation, also need not move the soil of digging to idle local and topple over, can collect the soil of digging automatically and the automatic discharge comes idle local, and the device can prevent from taking buffer gear that stress is too big, improves the availability factor greatly.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of the embodiment of the present invention at B in FIG. 1;

FIG. 4 is a schematic cross-sectional view at C-C in FIG. 1 according to an embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view at D-D in FIG. 4 according to an embodiment of the present invention;

FIG. 6 is an enlarged schematic view of the embodiment of the present invention at E in FIG. 5;

FIG. 7 is a schematic cross-sectional view at F-F in FIG. 5 according to an embodiment of the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-7, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The mechanical excavating bucket for rotary excavation and dumping described with reference to fig. 1-7 comprises an excavating bucket shell 11 and two bucket rings 49, wherein an excavating bucket cavity 12 with a downward opening and a soil piling cavity 13 positioned at the lower left side of the excavating bucket cavity 12 are arranged in the excavating bucket shell 11, an excavating bucket mechanism 1 is arranged in the excavating bucket cavity 12, the excavating bucket mechanism 1 comprises a main shaft 37 rotatably connected between the front and rear cavity walls of the excavating bucket cavity 12, inner buffer rings 38 are fixedly connected to the front and rear sides of the part of the main shaft 37 in the excavating bucket cavity 12, three large hinge cavities 47 are arranged on the inner buffer rings 38, an inner small rotating shaft 39 is rotatably connected between the front and rear cavity walls of the large hinge cavities 47, an inner supporting shaft 40 is rotatably connected to the inner small rotating shaft 39, an air cylinder 41 is fixedly connected to the inner supporting shaft 40, an air pressure cavity 42 is arranged in the air cylinder 41, and a clapper 43 is slidably connected to the air pressure cavity 42, a sealing ring 44 is fixedly connected to the racket head 43, the sealing ring 44 is tightly attached to and slidably connected with the wall of the air pressure cavity 42, a piston rod 45 is fixedly connected to one end of the racket head 43 away from the center of the circle, one end of the piston rod 45 away from the center of the circle penetrates through the corresponding air cylinder 41 and penetrates out of the air pressure cavity, three small hinged cavities 48 corresponding to the piston rod 45 are arranged in the bucket ring 49, an outer small rotating shaft 46 is rotatably connected between the front wall and the rear wall of the small hinged cavity 48, the outer small rotating shaft 46 is rotatably connected with the outer end of the piston rod 45, three bucket shafts 50 and limiting strips 51 are fixedly connected between corresponding positions of the two bucket rings 49, buckets 52 for excavating are rotatably connected to the limiting strips 51, a limiting cavity 53 with an outward opening is suitably arranged on each bucket 52, a limiting head 55 is slidably connected to each limiting cavity 53, and one end of each limiting head 55, which is close to the limiting head 55, is respectively connected with a corresponding cavity of the A limiting cavity 53 is fixedly connected between the walls, a limiting hole 56 is formed in a proper position of the limiting strip 51 corresponding to the limiting head 55 for positioning, and a large brush 59 for cleaning the bucket mechanism 1 is fixedly connected to a proper position of the lower side cavity wall of the bucket cavity 12.

Advantageously, a large belt cavity 20 located at the rear side of the bucket cavity 12 and a rear bevel gear cavity 18 located at the upper side of the soil piling cavity 13 at the rear side are further provided in the bucket shell 11, a motor 23 is fixedly connected in the front side cavity wall of the rear bevel gear cavity 18, the motor 23 is in power connection with a rear transmission shaft 28, the rear transmission shaft 28 penetrates through the rear bevel gear cavity 18 and the large belt cavity 20, a left belt pulley 34 is fixedly connected in the large belt cavity 20 of the rear transmission shaft 28, the rear side part of the main shaft 37 also penetrates through the large belt cavity 20 and is fixedly connected with a right belt pulley 36 in the large belt cavity 20, and a large belt 35 is installed between the left belt pulley 34 and the right belt pulley 36.

Advantageously, the excavator shell 11 is further provided with a front bevel gear cavity 17 located at the front side of the motor 23, a left bevel gear cavity 19 located at the rear side of the front bevel gear cavity 17 and the rear bevel gear cavity 18 and communicated with the front bevel gear cavity 17 and the rear bevel gear cavity 18, a front belt cavity 15 located at the front side of the front bevel gear cavity 17, a rear belt cavity 16 located at the rear side of the rear bevel gear cavity 18, a front spiral cavity 21 located at the rear side of the front belt cavity 15 and a rear spiral cavity 22 located at the rear side of the front spiral cavity 21, a front transmission shaft 27 is rotatably connected between the front and rear cavity walls of the front belt cavity 15, the rear transmission shaft 28 also passes through the rear belt cavity 16, the rear part of the front transmission shaft 27 passes through the front bevel gear cavity 17 and is fixedly connected with a front bevel gear 25 in the front bevel gear cavity 17, the rear transmission shaft 28 is fixedly connected with a rear bevel gear 26 in the rear bevel gear cavity 18, a bevel gear shaft 24 is rotatably connected between the left cavity wall and the right cavity wall of the left bevel gear cavity 19, and the bevel gear shaft 24 is fixedly connected with a transmission bevel gear 10 which is respectively meshed with the front bevel gear 25 and the rear bevel gear 26.

Advantageously, a screw shaft 32 is rotatably connected between the front cavity wall and the rear cavity wall of the front spiral cavity 21 and the rear spiral cavity 22, the screw shaft 32 is further, the front cavity 21 and the rear cavity 22 are fixedly connected with a soil discharge screw 33 with a screw surface for transporting soil on two sides, the rear side of the screw shaft 32 passes through the front belt cavity 15, the front side of the screw shaft 32 passes through the rear belt cavity 16, the two screw shafts 32 are respectively and fixedly connected with a lower small belt pulley 30 in the front belt cavity 15 and the rear belt cavity 16, the front transmission shaft 27 and the rear transmission shaft 28 are also respectively and fixedly connected with an upper small belt pulley 29 in the front belt cavity 15 and the rear belt cavity 16, and a small belt 31 is installed between each upper small belt pulley 29 and the corresponding lower small belt pulley 30.

Advantageously, the soil discharging port 14 with front and rear openings is arranged at a proper position in the front and rear side cavity walls of the lower side part of the soil piling cavity 13.

Sequence of mechanical actions of the whole device:

1: in a standby state, compressed air in the air pressure cavity 42 enables the piston rod 45 in the air cylinder 41 to naturally relax, and the main shaft 37 is positioned at the center of the excavator bucket ring 49;

2: the motor 23 is started, the rear transmission shaft 28 rotates to drive the left belt pulley 34 to rotate, the left belt pulley 34 drives the main shaft 37 through the large belt 35 and the right belt pulley 36, the main shaft 37 drives the inner buffer ring 38 to rotate, the inner buffer ring 38 drives the bucket ring 49 to rotate, when the bucket ring 49 drives the bucket 52 to rotate, the bucket 52 pushes the bucket 52 limited by the limit strip 51 to further rotate, the limit spring 54 relaxes to push the limit head 55 to enable the limit head 55 to be matched with the limit hole 56 to limit the position of the bucket 52, the bucket 52 rotates over the soil to scoop up a rod, the limit head 55 on the bucket 52 with the soil is matched with the limit hole 56 and throws the soil in the soil into the soil piling cavity 13, simultaneously the large brush 59 brushes the excavating mechanism 1 and guides the residual soil into the soil piling cavity 13, and after the bucket 52 passes through the ninety degrees position, the bucket 52 enables the limit head 55 to be disengaged with the limit hole 56 under the left action of gravity, thereby preventing the bucket 52 from being impacted;

3: meanwhile, the rear transmission shaft 28 drives the front transmission shaft 27 through the rear bevel gear 26, the transmission bevel gear 10 and the front bevel gear 25 to enable the front transmission shaft 27 and the rear transmission shaft 28 to rotate reversely, the front transmission shafts 27 and 2 respectively drive the two screw shafts 32 to rotate reversely through the two upper small belt pulleys 29, the lower small belt pulleys 30 and the small belts 31, and the two soil discharge screws 33 discharge soil on two sides in the soil piling cavity 13 to the soil discharge ports 14 on two sides;

4: when the bucket 52 contacts with harder soil or rock, if the resistance is too large, the compressed air in the air pressure chamber 42 is compressed to make the piston rod 45 retract into the air cylinder 41, so that the center of the bucket ring 49 deviates from the center of the main shaft 37, thereby preventing damage caused by too large force.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a mechanical bucket of rotary excavation dumping, includes bucket shell and two bucket rings, its characterized in that: the bucket shell is internally provided with a bucket cavity with a downward opening and a soil piling cavity positioned on the lower left side of the bucket cavity, the bucket cavity is internally provided with a bucket mechanism, the bucket mechanism comprises a main shaft which is rotatably connected between the front cavity wall and the rear cavity wall of the bucket cavity, the front side and the rear side of the middle part of the main shaft in the bucket cavity are respectively and fixedly connected with an inner buffer ring, the inner buffer rings are respectively provided with three large hinged cavities, an inner small rotating shaft is rotatably connected between the front cavity wall and the rear cavity wall of the large hinged cavity, an inner supporting shaft is rotatably connected on the inner small rotating shaft, the inner supporting shaft is respectively and fixedly connected with an air cylinder, an air pressure cavity is arranged in the air cylinder, a clapper is slidably connected in the air pressure cavity, the clapper is fixedly connected with a sealing ring, the sealing ring is closely and slidably connected with the air pressure cavity wall, one end of the clapper far away from the center of the circle, the internal little articulated chamber that is equipped with three with the piston rod corresponds just rotate between the chamber wall around the little articulated chamber and be connected with outer little axis of rotation just outer little axis of rotation with the outer end of piston rod is rotated and is connected, two three dipper axle of fixedly connected with and spacing between the bucket ring corresponding position, all rotate on the spacing and be connected with the bucket that is used for excavating usefulness, suitable for being equipped with the outside spacing chamber of opening on the bucket, equal sliding connection has spacing head just in the spacing chamber spacing head is close to spacing head one end all corresponds separately spacing chamber of fixedly connected with between the corresponding chamber wall in spacing chamber, spacing is in with the suitable position that the spacing head corresponds is equipped with spacing hole and is used for the location, the suitable position fixedly connected with in the chamber wall of bucket chamber downside is used for clearing up the big brush of bucket mechanism.

2. A mechanical excavating bucket for rotary excavating of earth discharge as claimed in claim 1 wherein: still be equipped with in the dipper shell and be located the big belt chamber of dipper chamber rear side and be located the back bevel gear chamber of the oblique rear position upside in mound chamber, back bevel gear chamber front side intracavity fixedly connected with motor just motor power connects the rear drive axle and goes the rear drive axle passes back bevel gear chamber with big belt chamber, the rear drive axle is in fixedly connected with left belt pulley in the big belt chamber, the main shaft rear portion also passes big belt chamber and fixedly connected with right belt pulley in the big belt chamber, installs big belt between left belt pulley and the right belt pulley.

3. A mechanical excavating bucket for rotary excavating of earth discharge as claimed in claim 1 wherein: the excavator bucket is characterized in that a front bevel gear cavity located on the front side of the motor, a left bevel gear cavity located on the rear side of the front bevel gear cavity and the rear bevel gear cavity and communicated with the front bevel gear cavity and the rear bevel gear cavity, a front belt cavity located on the front side of the front bevel gear cavity, a rear belt cavity located on the rear side of the rear bevel gear cavity, a front spiral cavity located on the rear side of the front belt cavity and a rear spiral cavity located on the rear side of the front spiral cavity are further arranged in the excavator bucket shell, a front transmission shaft is rotationally connected between the front and rear cavity walls of the front belt cavity and also passes through the rear belt cavity, the rear part of the front transmission shaft passes through the front bevel gear cavity and is fixedly connected with a front bevel gear in the front bevel gear cavity, a rear bevel gear is fixedly connected in the rear bevel gear cavity, a bevel gear shaft is rotationally connected between the left and right cavity walls of the left bevel gear cavity and is fixedly connected with a bevel gear shaft which is fixedly connected with the front bevel gear and the rear bevel gear respectively A compound drive bevel gear.

4. A mechanical excavating bucket for rotary excavating of earth discharge as claimed in claim 1 wherein: the front spiral cavity and the rear spiral cavity are connected with a spiral shaft in a rotating mode, the spiral shaft is connected with the front spiral cavity in a rotating mode, the spiral shaft is connected with the rear spiral cavity in a rotating mode, the front spiral cavity is connected with the rear spiral cavity in a rotating mode, the rear side of the spiral shaft penetrates through the front belt cavity and the front side of the spiral shaft penetrates through the rear belt cavity, the spiral shafts are respectively arranged in the front belt cavity and the rear belt cavity, the front transmission shaft and the rear transmission shaft are respectively arranged in the front belt cavity and the rear belt cavity, the front belt cavity is fixedly connected with an upper small belt pulley, and each upper small belt pulley corresponds to a lower small belt pulley.

5. A mechanical excavating bucket for rotary excavating of earth discharge as claimed in claim 1 wherein: and soil discharge openings with front and rear openings are formed in proper positions in the front and rear side cavity walls of the lower side part of the soil piling cavity.