CN212317028U

CN212317028U - Vibrating bucket suitable for excavator

Info

Publication number: CN212317028U
Application number: CN202021526152.2U
Authority: CN
Inventors: 徐杰; 鲍庆河; 李鑫; 王倩; 张霄霄; 高翰林
Original assignee: Xuzhou But Construction Machinery Manufacturing Joint Stock Co ltd
Current assignee: Xuzhou But Construction Machinery Manufacturing Joint Stock Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-01-08
Anticipated expiration: 2030-07-29

Abstract

The utility model discloses a vibrating bucket suitable for excavator, including arc template and the curb plate of setting in arc template both sides, still include the baffle, arc template and curb plate form a vibration chamber jointly, be provided with vibrating device in the vibration chamber, vibrating device includes drive assembly, drive assembly passes through the central backup pad and fixes the concave part at the arc template, drive assembly links to each other with the axis of rotation, be provided with the eccentric wheel in the axis of rotation, drive assembly sets up between two eccentric wheels, the tip at axis of rotation both ends all links to each other with the tip backup pad, the tip backup pad is fixed to be set up on the curb plate, the vibration chamber links to each other with the cable subassembly. The excavator bucket can vibrate during excavation, the effect of quickly loosening the soil is achieved, the excavator bucket can be smashed or moved away by utilizing vibration force when encountering small broken stone obstacles, the problem that the early fatigue failure of components possibly caused by overlarge stress concentration caused by stress of the traditional excavator bucket is reduced, and then the working efficiency of the excavator is improved and the service life of the excavator bucket is prolonged.

Description

Vibrating bucket suitable for excavator

Technical Field

The utility model relates to an excavator technical field especially relates to vibrating bucket suitable for excavator.

Background

The excavator is one of shovel-loading transport machines, and plays an important role in the construction of national economy such as transportation, aerospace, hydraulic engineering, mine excavation and the like. The excavator bucket is used as an execution component for completing the whole work instruction of the excavator, and the production efficiency, the service life and the operation performance of the excavator depend on the performance of the excavator.

The bucket part comprises an ear plate, a hinge shaft, a bottom plate, a side plate, bucket teeth and the like, wherein the ear plate is welded at the top of the bucket, and the bucket teeth are welded on a tooth base plate as an important part on the bucket. In the excavator operation process, the excavator is required to provide larger excavating force by depending on loosening the soil and breaking the bucket teeth and receiving larger resistance at the bucket teeth, so that the problems of abrasion and breakage of the bucket teeth, labor waste in operation, low working efficiency and the like in the operation process are easily caused. At present, in the machine work engineering, when a bucket digs a hard object under the action of no vibration, direct load stress can be generated to cause overlarge local stress of the bucket, so that premature failure and damage are caused, and the arrangement of a vibration device can cause that the bucket generates longitudinal acting force in the direction vertical to the advancing direction of the excavator to reduce the impact force caused by the overlarge object and reduce the service life of a component.

SUMMERY OF THE UTILITY MODEL

The utility model provides a vibrating bucket suitable for excavator to solve the not enough of correlation technique.

In order to solve the relevant problem, the utility model adopts the following technical scheme:

the vibrating excavator bucket suitable for the excavator comprises an arc-shaped plate, side plates arranged on two sides of the arc-shaped plate and further comprises two baffle plates connected with the side plates, the baffle plates, the arc-shaped plate and the two side plates jointly form a sealed vibration chamber, the vibration chamber is provided with a vibration device, the vibration device comprises a driving assembly, an eccentric wheel, an end supporting plate and a central supporting plate, the driving assembly passes through the central supporting plate and is fixed to the concave portion of the arc-shaped plate, the output portion of the driving assembly is connected with a rotating shaft, the eccentric wheels are symmetrically arranged on the rotating shaft, the driving assembly is arranged between the eccentric wheels, the end portions of two ends of the rotating shaft are connected with the end supporting plate, the end supporting plate is fixedly arranged on the side plates, and the vibration chamber is connected with a cable assembly.

Further, the end supporting plate is matched with the concave part, a first mounting groove is formed in the end supporting plate and matched with the rotating shaft, and a first fixing plate matched with the first mounting groove is arranged in the first mounting groove.

Further, the rotating shaft is fixed in the first mounting groove through a bearing.

Further, the center support plate is matched with the concave part, a second installation groove is formed in the center support plate, the fixing part of the driving assembly is fixedly arranged in the second installation groove, and a second fixing plate used for fastening the fixing part of the driving assembly is arranged in the second installation groove.

Furthermore, the driving assembly is a double-shaft output motor, the fixing portion of the driving assembly is a motor shell, the motor shell is fixed in the second mounting groove, the output portion of the driving assembly is an output shaft, and the output shaft penetrates through the double-shaft output motor and then is coaxially connected with the rotating shaft at two ends respectively.

Further, the baffle is in contact with both the end supporting plate and the central supporting plate, and the baffle is fixed on the end supporting plate and the central supporting plate through bolts.

Furthermore, the joints of the baffle plate, the arc-shaped plate and the side plate are rounded.

Further, the cable assembly comprises a rigid hollow pipe and a flexible hollow pipe, one end of the rigid hollow pipe is communicated with the vibration chamber, and the other end of the rigid hollow pipe extends to the outer side of the excavator bucket and is connected with the flexible hollow pipe.

Further, the flexible hollow pipe is a corrugated pipe.

Further, the bearing is a cylindrical roller bearing.

The utility model discloses following beneficial effect has:

when satisfying excavator traditional operation process, install vibrating device additional in bucket part, but with the bucket design for the vibratile, obtain the effect of loosening the soil fast, can shake garrulous or utilize the vibrational force to put aside it when meetting the barrier of little rubble class, reduce the stress concentration that traditional bucket atress brought too big and probably lead to the problem of component early fatigue destruction, and then improve the work efficiency of excavator and the life of bucket.

Drawings

FIG. 1 is a perspective view of the entire excavator bucket;

FIG. 2 is a schematic front view of the entire excavator bucket with a vibration device mounted therein;

FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2;

FIG. 4 is a schematic view of the cross-sectional structure B-B of FIG. 2;

fig. 5 is a schematic view of the cross-sectional structure C-C of fig. 2.

In the figure: 1-an arc-shaped plate; 2-side plate; 3-a baffle plate; 4-a vibration chamber; 5-a drive assembly; 6-eccentric wheel; 7-end support plates; 8-a central support plate; 9-a recess; 10-a rotating shaft; 11-a first mounting groove; 12-a first fixing plate; 13-a bearing; 14-a second mounting groove; 15-a second fixing plate; 16-rounding off; 17-a rigid hollow tube; 18-a flexible hollow tube; 19-a lug assembly; 20-bucket teeth, 21-wear resistant strips.

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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 and operated in a specific orientation, and thus, should not be construed as limiting the present invention; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 in specific cases to those skilled in the art.

Vibrating bucket suitable for excavator, including arc template 1 and the curb plate 2 of setting in arc template 1 both sides, still include the baffle 3 that links to each other with two curb plates 2, baffle 3, arc template 1 and two curb plates 2 form a sealed vibration chamber 4 jointly, vibration chamber 4 is provided with vibrating device, vibrating device includes drive assembly 5, eccentric wheel 6, tip backup pad 7 and center support plate 8, drive assembly 5 passes through center support plate 8 and fixes concave part 9 at arc template 1, drive assembly 5's output links to each other with axis of rotation 10, it is provided with eccentric wheel 6 to be the symmetry on the axis of rotation 10, drive assembly 5 sets up between two eccentric wheels 6, the tip at axis of rotation 10 both ends all links to each other with tip backup pad 7, tip backup pad 7 is fixed to be set up on curb plate 2, vibration chamber 4 links to each other with the cable subassembly.

In some embodiments, the end support plate 7 is fitted into the recess 9, and a first mounting groove 11 is provided on the end support plate 7, the first mounting groove 11 being fitted into the rotation shaft 10, and a first fixing plate 12 fitted into the first mounting groove 11 is provided in the first mounting groove 11. End support plate 7 has reinforced (rfd) effect to curb plate 2, cooperates with concave part 9 simultaneously, can effectually prevent that arc template 1 from warping at the during operation, leads to vibrating chamber 4 to warp at last and makes vibrating device can not normally work, and end support plate 7 also is used for fixed stop 3 simultaneously. The first fixing plate 12 fixes the rotation shaft 10 in the first mounting groove 11 such that the rotation shaft 10 can only rotate without swinging. The end supporting plate 7 is welded on the arc-shaped plate 1 and the side plate 2, and the first fixing plate 12 and the end supporting plate 7 are fixed by bolts, and the bolts do not influence the installation of the baffle plate 3.

In some embodiments, the rotating shaft 10 is fixed in the first mounting groove 11 by a bearing 13. The bearing 13 is a cylindrical roller bearing. Under the effect of eccentric wheel 6, axis of rotation 10 for one side of axis of rotation 10 is more easy to be worn and torn, leads to axis of rotation 10 to wear and tear seriously and change often at last, and after the increase cylindrical roller bearing, cylindrical roller bearing's inner ring and axis of rotation 10 fixed connection convert the whole cylinder roller bearing of giving of wearing and tearing that the friction produced, the effectual life who prolongs axis of rotation 10. The selected bearing model number is NU 206E.

In some embodiments, the center support plate 8 is fitted with the recess 9, and a second mounting groove 14 is provided on the center support plate 8, a fixing portion of the driving assembly 5 is fixedly disposed in the second mounting groove 14, and a second fixing plate 15 for fastening the fixing portion of the driving assembly 5 is disposed in the second mounting groove 14. The output shaft of the motor needs to rotate, so the motor housing needs to be fixed, and therefore the motor housing is fixed in the second mounting groove 14, wherein the second fixing plate 15 is used for assisting the fixing of the motor housing, and the second fixing plate 15 is not in contact with the baffle 3, so that the deformation of the double-shaft output motor caused by the force of the baffle 3 is prevented. The central support plate 8 is welded on the arc-shaped plate 1, and the second fixing plate 15 and the central support plate 8 are fixed by bolts, and the bolts do not influence the installation of the baffle 3.

In some embodiments, the driving assembly 5 is a dual-shaft output motor, the fixing portion of the driving assembly 5 is a motor housing, the motor housing is fixed in the second mounting groove 14, the output portion of the driving assembly 5 is an output shaft, and the two ends of the output shaft penetrate through the dual-shaft output motor and are coaxially connected with the rotating shaft 10 respectively. Baffle 3 all contacts with tip backup pad 7, center support plate 8, and baffle 3 passes through the bolt fastening on tip backup pad 7 and center support plate 8. In order to ensure the strength of the arc-shaped plates 1 and the side plates 2, the arc-shaped plates 1 and the side plates 2 are not provided with bolt holes, so the baffle plates 3 are not directly fixed on the arc-shaped plates 1 or the side plates 2, but are fixed on the end supporting plates 7 and the central supporting plate 8 through bolts. The double-shaft output motor adopts the prior art, such as a double-shaft output motor which selects YZR and JZR series.

In some embodiments, the joints of the baffle 3 and the arc-shaped plates 1 and the side plates 2 are rounded 16. In order to reduce the sticking when the excavator digs earth, the smooth transition is carried out by adopting a rounding 16 mode.

In some embodiments, the cable assembly comprises a rigid hollow tube 17 and a flexible hollow tube 18, the rigid hollow tube 17 communicating with the vibrating chamber 4 at one end and extending to the outside of the bucket at the other end and being connected to the flexible hollow tube 18. The flexible hollow tube 18 is a bellows. The work of biax output motor needs the power supply, and the working property of bucket makes can not directly expose the cable in the outside, so put the cable in rigid hollow tube 17 and flexible hollow tube 18, at the in-process that the bucket excavated, the bucket directly contacts with earth, so the inside section of bucket adopts rigid hollow tube 17, and the bucket needs to realize rotating, so can not adopt rigid pipeline to protect the cable, can only adopt telescopic bellows to protect the cable. The rigid hollow pipe 17 can be arranged on the inner wall of the arc-shaped plate 1, the inner wall of the side plate 2 and the joint of the arc-shaped plate 1 and the side plate 2.

The excavator bucket comprises a support lug assembly 19 connected with an action part of the excavator, bucket teeth 20 used for excavating soil and a wear-resistant strip 21 arranged outside an arc-shaped plate 1. This bucket is satisfying the excavator traditional operation process when, installs vibrating device additional in bucket part, but with the bucket design for the vibration, obtains the effect of loosening the soil fast, can shake it garrulous or utilize the vibrational force to put aside it when meetting the barrier of little rubble class, reduces the stress concentration that traditional bucket atress brought too big and probably leads to the problem of the early fatigue destruction of component, and then improves the work efficiency of excavator and the life of bucket.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Vibrating bucket suitable for excavator includes arc template (1) and sets up curb plate (2) of arc template (1) both sides, its characterized in that: the vibration device is characterized by further comprising two baffle plates (3) connected with the side plates (2), wherein the baffle plates (3), the arc-shaped plates (1) and the two side plates (2) jointly form a sealed vibration chamber (4), a vibration device is arranged in the vibration chamber (4), the vibration device comprises a driving assembly (5), eccentric wheels (6), end supporting plates (7) and a central supporting plate (8), the driving assembly (5) is fixed in a concave part (9) of the arc-shaped plates (1) through the central supporting plate (8), an output part of the driving assembly (5) is connected with a rotating shaft (10), the eccentric wheels (6) are symmetrically arranged on the rotating shaft (10), the driving assembly (5) is arranged between the two eccentric wheels (6), and the end parts at the two ends of the rotating shaft (10) are connected with the end supporting plates (7), the end supporting plate (7) is fixedly arranged on the side plate (2), and the vibration chamber (4) is connected with the cable assembly.

2. The vibratory bucket for an excavator of claim 1 wherein: the end portion supporting plate (7) is matched with the concave portion (9), a first mounting groove (11) is formed in the end portion supporting plate (7), the first mounting groove (11) is matched with the rotating shaft (10), and a first fixing plate (12) matched with the first mounting groove (11) is arranged in the first mounting groove (11).

3. The vibratory bucket for an excavator of claim 2 wherein: the rotating shaft (10) is fixed in the first mounting groove (11) through a bearing (13).

4. The vibratory bucket for an excavator of claim 1 wherein: the center support plate (8) is matched with the concave part (9), a second mounting groove (14) is formed in the center support plate (8), the fixing part of the driving component (5) is fixedly arranged in the second mounting groove (14), and a second fixing plate (15) used for fastening the fixing part of the driving component (5) is arranged in the second mounting groove (14).

5. The vibratory bucket for an excavator of claim 4 wherein: the driving assembly (5) is a double-shaft output motor, a fixing part of the driving assembly (5) is a motor shell, the motor shell is fixed in the second mounting groove (14), an output part of the driving assembly (5) is an output shaft, and the output shaft penetrates through the rear two ends of the double-shaft output motor and is coaxially connected with the rotating shaft (10) respectively.

6. The vibratory bucket for an excavator of claim 1 wherein: the baffle (3) is in contact with the end supporting plate (7) and the central supporting plate (8), and the baffle (3) is fixed on the end supporting plate (7) and the central supporting plate (8) through bolts.

7. The vibratory bucket for an excavator of claim 1 wherein: the joints of the baffle (3) and the arc-shaped plates (1) and the side plates (2) are rounded (16).

8. The vibratory bucket for an excavator of claim 1 wherein: the cable assembly comprises a rigid hollow pipe (17) and a flexible hollow pipe (18), one end of the rigid hollow pipe (17) is communicated with the vibration chamber (4), and the other end of the rigid hollow pipe extends to the outer side of the excavator bucket and is connected with the flexible hollow pipe (18).

9. The vibratory bucket for an excavator of claim 8 wherein: the flexible hollow pipe (18) is a corrugated pipe.

10. A vibratory bucket adapted for use with an excavator according to claim 3 wherein: the bearing (13) is a cylindrical roller bearing.