CN212715064U

CN212715064U - Scraper bowl and excavator

Info

Publication number: CN212715064U
Application number: CN202021491884.2U
Authority: CN
Inventors: 张江溯
Original assignee: Shanghai Sany Heavy Machinery Co Ltd
Current assignee: Shanghai Sany Heavy Machinery Co Ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-03-16
Anticipated expiration: 2030-07-24

Abstract

The utility model provides a scraper bowl and excavator relates to excavating equipment technical field. The bucket includes a bucket body, a crushing assembly, and an air bag. The bucket body is internally provided with an accommodating space which is provided with an opening and a bottom wall. Broken subassembly includes drive arrangement and a plurality of broken axis of rotation, and inside broken axis of rotation rotated and connected in the scraper bowl main part and was located the accommodation space, a plurality of broken axis of rotation were located the opening part and set up at interval each other, and drive arrangement connects in a plurality of broken axis of rotation, and is used for driving the relative scraper bowl main part of a plurality of broken axis of rotation and rotates with broken rock. The air bag is arranged on the bottom wall, can be inflated and can increase the volume so as to reduce the accommodating space, or can be deflated and can decrease the volume so as to increase the accommodating space. The utility model also provides an excavator, it has adopted foretell scraper bowl. The utility model provides a scraper bowl and excavator can easily shovel and get the bold rock, can provide stable safety guarantee, and can avoid earth adhesion at the scraper bowl diapire, the clearance of easy scraper bowl.

Description

Scraper bowl and excavator

Technical Field

The utility model relates to an excavating equipment technical field particularly, relates to a scraper bowl and excavator.

Background

Present scraper bowl structure is more single, and when using, be difficult for carrying out the breakage to some bold stones, probably can make the scraper bowl overload when using scraper bowl shovel bold stone, can make the excavator take place the slope, it is dangerous, be difficult for adjusting the space in the scraper bowl according to the bearing capacity of scraper bowl moreover, it is impaired very easily to make the scraper bowl, reduce the life of scraper bowl, current when using the scraper bowl to dig earth in addition, can make the earth adhesion on the scraper bowl inner wall, extremely difficult clearance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a scraper bowl, for example, it easily shovels gets the bold rock, can provide stable safety guarantee, and can avoid earth adhesion at the scraper bowl diapire, the clearance of easy scraper bowl.

The utility model discloses an aim still includes, provides an excavator, and it has adopted above-mentioned scraper bowl, and easily shovels and get the bold rock, can provide stable safety guarantee, and can avoid earth adhesion at the scraper bowl diapire, the clearance of easily scraper bowl.

The embodiment of the utility model discloses a can realize like this:

an embodiment of the utility model provides a scraper bowl, including scraper bowl main part, broken subassembly and gasbag.

The inside of scraper bowl main part is provided with the accommodation space, just the accommodation space has the opening and with the diapire that the opening corresponds.

Broken subassembly includes drive arrangement and a plurality of broken axis of rotation, broken axis of rotation rotate connect in the scraper bowl main part just is located inside the accommodation space, it is a plurality of broken axis of rotation is located opening part and mutual interval set up, drive arrangement connects in a plurality of broken axis of rotation, and be used for the drive a plurality of broken axis of rotation is relative the scraper bowl main part rotates with broken rock.

The air bag is arranged on the bottom wall, and the air bag can be selectively inflated and can increase the volume so as to reduce the volume of the accommodating space, or the air bag can be deflated and can decrease the volume so as to increase the volume of the accommodating space.

Optionally, the crushing assembly further comprises a mounting plate, the driving device is mounted on the mounting plate, one end of the crushing rotating shaft is mounted on the mounting plate, and the mounting plate is detachably connected to the rear end of the bucket body.

Optionally, the bucket body has a back plate for mounting a boom, one side of the back plate is used for forming the accommodating space, and the back plate is provided with a plurality of grooves.

The mounting panel detachably installs the back plate is kept away from one side of accommodation space, and is a plurality of broken axis of rotation passes a plurality of respectively the recess stretches into the accommodation space.

Optionally, one side of the rear plate close to the opening is provided with a notch communicated with the groove, and the crushing rotating shaft can extend into the groove from the notch along the radial direction of the crushing rotating shaft.

Optionally, broken subassembly still includes a plurality of connecting cylinders, every the broken axis of rotation is kept away from the one end of mounting panel all is provided with the connecting cylinder, just the connecting cylinder with broken axis of rotation rotates to be connected, connecting cylinder detachably connects the scraper bowl main part is kept away from one side of back plate.

Optionally, the driving device comprises a driving motor, a first transmission chain and a second transmission chain, and the driving motor is in chain transmission connection with the first transmission chain.

The crushing rotating shafts are two, one of the crushing rotating shafts is provided with a first driving wheel, and the two crushing rotating shafts are provided with second driving wheels.

The first transmission chain is sleeved on the first transmission wheel.

The second transmission chains are sleeved on the two second transmission wheels in a crossed manner, so that the driving motor can drive the two crushing rotating shafts to rotate in opposite rotating directions.

Optionally, the crushing rotating shaft is convexly provided with a plurality of crushing teeth arranged at intervals.

Optionally, the bucket further comprises an air pipe, the air pipe passes through the bottom wall of the bucket body and is connected with the air bag, and the air pipe is used for guiding air flow into or out of the air bag so as to selectively inflate or deflate the air bag.

Optionally, a sleeve is fixedly arranged at the bottom of the bucket body, and one end of the air pipe extending out of the bucket body penetrates through the sleeve.

An excavator includes a bucket. The bucket includes a bucket body, a crushing assembly, and an air bag.

The air bag is arranged on the bottom wall, and the volume of the air bag can be selectively increased to reduce the volume of the accommodating space, or the volume of the air bag is reduced to increase the volume of the accommodating space.

The utility model provides a scraper bowl includes for prior art's beneficial effect:

the utility model provides a scraper bowl can set up a plurality of broken axis of rotation through the opening part at scraper bowl accommodation space, when digging and getting the bold rock, can drive broken axis of rotation through drive arrangement and rotate to can carry out the breakage to the bold rock through a plurality of broken axis of rotation, then shovel the rock through the scraper bowl and get, can prevent effectively that the too big condition that causes the overweight overload of scraper bowl of stone from taking place, thereby realize providing stable safety guarantee's purpose. In addition, the volume of the containing space can be reduced through the volume increase of the air bag, so that the overweight overload of the bucket body is further avoided, and the volume of the containing space can also be increased through the volume reduction of the air bag, so that the capacity of the bucket body is improved, and the shoveling efficiency is improved. And, can also avoid earth adhesion at the diapire of accommodation space through gasbag volume inflation to the clearance of the inside earth of scraper bowl main part of can also being convenient for, in order to accomplish the clearance of the inside earth of scraper bowl main part fast, improve the cleaning efficiency of scraper bowl.

The utility model also provides an excavator, this excavator has adopted foretell scraper bowl, and this excavator is the same for prior art's beneficial effect with the scraper bowl that the aforesaid provided for prior art's beneficial effect, no longer gives unnecessary details here.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic diagram of a bucket from a first perspective in an embodiment of the present disclosure;

FIG. 2 is a schematic diagram of a bucket from a second perspective in an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of a third perspective of the bucket provided in the embodiment of the present application.

Icon: 10-a bucket; 100-a bucket body; 110-a containing space; 111-opening; 112-a bottom wall; 120-a back plate; 121-grooves; 122-a notch; 130-relieving teeth; 200-a crushing assembly; 210-a drive device; 211-drive motor; 212-first drive train; 213-a second drive chain; 220-crushing the rotating shaft; 221-crushing teeth; 222-a connector barrel; 223-a first drive wheel; 224-a second drive wheel; 230-a mounting plate; 300-air bag; 310-trachea; 320-sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.

Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

Referring to fig. 1, in an embodiment of the present application, there is provided an excavator (not shown) which can be used to scoop an object such as soil or rock to move the object such as soil or rock to a designated position. The excavator can realize easily shoveling and taking large rocks, can provide stable safety guarantee, and can avoid the problem that soil adheres to the inner wall of the bucket 10, and is easy to clean the bucket 10.

Referring to fig. 1 and 2, the excavator at least includes a body (not shown), a boom (not shown) and a bucket 10, wherein one end of the boom is connected to the body, the other end of the boom is connected to the bucket 10, and the body can be moved by controlling the boom and the bucket 10, so that objects such as soil or rocks are scooped and carried by the bucket 10. It should be noted that, the bucket 10 can realize easily shoveling large rocks, can provide stable safety guarantee, and can avoid the adhesion of earth on the inner wall of the bucket 10, and the purpose of easily cleaning the bucket 10 is achieved, thereby achieving the purpose that the excavator realizes easily shoveling large rocks, and can provide stable safety guarantee, and can avoid the adhesion of earth on the bottom wall 112 of the bucket 10, and the purpose of easily cleaning the bucket 10.

Bucket 10 includes a bucket body 100, a crushing assembly 200, and an air bag 300. Bucket body 100 is connected to the end of the arm so that bucket body 100 can be carried by the arm to scoop up objects such as soil or rocks. It should be noted that the bucket body 100 has a front end and a rear end, wherein the rear end of the bucket body 100 is connected to the arm, the front end of the bucket body 100 is provided with a plurality of scooping teeth 130 facilitating scooping of soil or rock, the plurality of scooping teeth 130 are disposed at the front end of the bucket body 100 at intervals, and when the bucket body 100 scoops, the scooping teeth 130 first contact with an object waiting for scooping of soil or rock. In addition, the receiving space 110 is further disposed inside the bucket body 100, and the receiving space 110 is used for receiving the object scooped by the bucket body 100, so that the scooped object is loaded by the bucket body 100, and the scooped object is conveniently carried to a specific place. The accommodating space 110 has an opening 111 and a bottom wall 112, and after the bucket body 100 scoops an object, the scooped object can enter the accommodating space 110 from the opening 111 and be placed on the bottom wall 112, thereby completing loading of the scooped object by the accommodating space 110. In order to realize easily shoveling and getting bold rock, and provide stable safety guarantee's purpose, crushing unit 200 is connected in dipper main part 100 and sets up inside accommodation space 110, and, crushing unit 200 sets up in opening 111 department, so that when dipper main part 100 shovels and gets bold rock, can carry out the breakage with bold rock through crushing unit 200, thereby smash the processing to bold rock, can not only make things convenient for in the excavation to bold rock, can also prevent that too big rock from causing dipper main part 100 overweight, effective safety guarantee is provided, thereby realize easily shoveling and getting bold rock, and provide stable safety guarantee's purpose. In addition, in order to achieve the purpose of preventing soil from adhering to the bottom wall 112 of the bucket 10 and facilitating the cleaning of the bucket 10, the air bag 300 is disposed on the bottom wall 112 of the accommodating space 110, and the air bag 300 can be selectively inflated and increased in volume to reduce the volume of the accommodating space 110, or the air bag 300 can be deflated and decreased in volume to increase the volume of the accommodating space 110. Wherein, can realize the purpose of gasbag 300 inflation through the volume of increase gasbag 300, under the expanded condition of gasbag 300, can avoid the earth adhesion on the internal perisporium of accommodation space 110, and can strut and the lifting with the inside earth that adheres on gasbag 300 of accommodation space 110 and be close to opening 111 to the clearance of convenient earth in the internal perisporium of accommodation space 110, the realization is avoided earth adhesion at scraper bowl 10 diapire 112, the purpose of easy scraper bowl 10 clearance.

Further, the crushing assembly 200 includes a driving device 210 and a plurality of crushing rotating shafts 220, the crushing rotating shafts 220 are rotatably connected to the bucket body 100 and located inside the accommodating space 110, in order to facilitate the crushing rotating shafts 220 to crush large rocks, the crushing rotating shafts 220 are disposed at the opening 111 of the accommodating space 110, and the plurality of crushing rotating shafts 220 are disposed at intervals. The driving device 210 is connected with the plurality of crushing rotating shafts 220, and the driving device 210 can be used to drive the plurality of crushing rotating shafts 220 to rotate relative to the bucket body 100 to crush the large rocks. When excavating large rocks, the driving unit 210 drives the plurality of crushing rotating shafts 220 to rotate, and then the bucket body 100 excavates the large rocks, and after the large rocks are scooped, the plurality of crushing rotating shafts 220 crush the large rocks by rotation. After the rock is crushed, fragments of the rock enter the inside of the accommodating space 110 through the gap between the crushing rotating shafts 220, thereby enabling the loading of the rock fragments.

Alternatively, referring to fig. 2 and 3 in combination, the excavator may excavate earth except for rock, when all the earth to be excavated is earth, the earth can be shoveled without the crushing assembly 200, in order to avoid the influence of the crushing assembly 200 on the earth shoveling, in the embodiment of the present application, the crushing assembly 200 may further include a mounting plate 230, the driving device 210 is mounted on the mounting plate 230, one end of the crushing rotating shafts 220 is mounted on the mounting plate 230, and the mounting plate 230 is detachably mounted at the rear end of the bucket body 100. That is, in the embodiment of the present application, the crushing unit 200 may be detached from the bucket body 100 by detaching the mounting plate 230 from the bucket body 100, so that the crushing unit 200 may be prevented from being affected when the object such as soil is scooped into the bucket body 100.

The bucket body 100 includes a back plate 120 for mounting a boom, one side of the back plate 120 is used for forming the accommodating space 110, that is, one side of the back plate 120 is an inner peripheral wall of the accommodating space 110; accordingly, the other side of the rear plate 120 is used for connecting the horn. The mounting plate 230 is detachably mounted on the outer side of the rear plate 120, that is, the mounting plate 230 is detachably mounted on the side of the rear plate 120 away from the accommodating space 110. In the embodiment of the present application, in order to facilitate the installation of the crushing rotating shafts 220, the back plate 120 is provided with a plurality of grooves 121, and when the installation plate 230 is detachably installed on the back plate 120, the crushing rotating shafts 220 can respectively penetrate through the grooves 121 and extend into the accommodating space 110. It should be noted that, in the embodiment of the present application, the mounting plate 230 is detachably connected to the back plate 120 by screws or other fixing means. Further, in order to facilitate the mounting plate 230 to detach the plurality of crushing rotating shafts 220 from the bucket body 100, in the embodiment of the present application, one side of the rear plate 120 near the opening 111 has a notch 122 communicating with the groove 121, and the crushing rotating shafts 220 can extend from the notch 122 into the groove 121 along the radial direction thereof. In other words, when the crushing assembly 200 is disassembled, the connection between the mounting plate 230 and the rear plate 120 is disassembled, and then the mounting plate 230 is moved to drive the crushing rotating shaft 220 to move out of the gap 122 of the communication groove 121, so that the crushing assembly 200 can be disassembled; accordingly, when the crushing assembly 200 is installed, the crushing rotating shaft 220 is firstly extended from the notch 122 into the groove 121 in the radial direction thereof, and the mounting plate 230 is arranged corresponding to the corresponding position on the rear plate 120, and the purpose of installing the crushing assembly 200 on the bucket body 100 can be achieved through the detachable connection between the mounting plate 230 and the rear plate 120.

It should be noted that, in order to facilitate the rotation of the crushing rotating shaft 220, one end of the crushing rotating shaft 220 is rotatably coupled to the mounting plate 230, so that the crushing rotating shaft 220 can also rotate relative to the mounting plate 230 when the mounting plate 230 is coupled to the rear plate 120. Further, in order to facilitate the rotation of the crushing rotating shaft 220 relative to the bucket body 100, in the embodiment of the present application, the crushing assembly 200 further includes a plurality of connecting cylinders 222, the plurality of connecting cylinders 222 are respectively disposed at one ends of the plurality of crushing rotating shafts 220 away from the mounting plate 230, and the connecting cylinders 222 are rotatably connected with the crushing rotating shaft 220, that is, the crushing rotating shaft 220 can rotate relative to the connecting cylinders 222. When the crushing unit 200 is mounted to the bucket body 100, the connecting cylinder 222 is connected to the front end of the bucket body 100 and located inside the receiving space 110, so that the crushing rotating shaft 220 is rotatably connected to the bucket body 100. The driving means 210 can drive the crushing rotating shaft 220 to rotate with respect to the connecting cylinder 222 and the mounting plate 230, thereby achieving rotation of the crushing rotating shaft 220 with respect to the bucket body 100.

In the embodiment of the present application, the driving device 210 includes a driving motor 211, a first transmission chain 212 and a second transmission chain 213, and the driving motor 211 is in transmission connection with the first transmission chain 212. Alternatively, the crushing turning shafts 220 are provided in two, wherein one crushing turning shaft 220 has a first driving wheel 223 thereon, and both crushing turning shafts 220 have a second driving wheel 224. The other end of the first transmission chain 212 is sleeved on the first transmission wheel 223, so that the driving motor 211 can transmit power to the first transmission wheel 223 through the first transmission chain 212, thereby driving one of the crushing rotating shafts 220 to rotate. The second transmission chain 213 is crossed over the two second transmission wheels 224, so that the driving motor 211 can drive the two crushing rotating shafts 220 to rotate in opposite rotating directions. That is, after the driving motor 211 transmits power to one of the crushing rotating shafts 220, the crushing rotating shaft 220 transmits power to the other crushing rotating shaft 220 through the second transmission chain 213, and since the second transmission chain 213 is alternately fitted over the two second transmission wheels 224, the two crushing rotating shafts 220 can be rotated in opposite directions. It should be noted that the second transmission chain 213 is sleeved on the two second transmission wheels 224 in a crossed manner, so that the second transmission wheels 224 are substantially in a shape of 8; in addition, the opposite directions mean that the two crushing rotating shafts 220 rotate in opposite directions, for example, when one of the crushing rotating shafts 220 rotates clockwise, the other crushing rotating shaft 220 rotates counterclockwise.

It should be understood that in other embodiments, when the number of the crushing rotating shafts 220 is greater than 2, only one of the crushing rotating shafts 220 needs to be in transmission connection with the driving motor 211 through the first transmission chain 212. And, any two adjacent crushing rotating shafts 220 are in transmission connection with each other through the second transmission chain 213 so as to transmit power to the plurality of crushing rotating shafts 220, and the second transmission chains 213 between any two adjacent crushing rotating shafts 220 are alternately sleeved on the two second transmission wheels 224 of the two crushing rotating shafts 220 so as to make the rotation directions of the two adjacent crushing rotating shafts 220 opposite.

Further, for the convenience of crushing the large rock by the crushing rotating shaft 220, in the embodiment of the application, the crushing teeth 221 arranged at a plurality of intervals are arranged on the crushing rotating shaft 220 in an upward protruding manner, so that the large rock can be bitten by the crushing teeth 221, and the efficiency of crushing the large rock is improved.

In the embodiment of the present application, please continue to refer to fig. 1, the bucket 10 may further include an air pipe 310, and the air pipe 310 is connected to the air bag 300 through the bottom wall 112 of the bucket body 100, so that air can be introduced into or discharged from the air bag 300 through the air pipe 310 to selectively inflate or deflate the air bag 300, thereby increasing or decreasing the volume of the air bag 300. The end of the air tube 310 away from the air bag 300 may be connected to a high pressure air gun to facilitate efficient introduction of air into the air bag 300, or the air may be introduced into or discharged from the air bag 300 by other means.

Further, in order to improve the stability of the air pipe 310 mounted on the bucket body 100, a sleeve 320 is further disposed at the bottom of the bucket body 100, and one end of the air pipe 310 extending out of the bucket body 100 passes through the sleeve 320. It is possible to provide a stabilizing function to the air tube 310 through the sleeve 320 to ensure the stability of the air tube 310.

To sum up, the scraper bowl 10 and the excavator that provide in this application embodiment can set up a plurality of broken axis of rotation 220 through opening 111 department at scraper bowl 10 accommodation space 110, when digging and getting the bold rock, can drive broken axis of rotation 220 through drive arrangement 210 and rotate to can carry out the breakage to the bold rock through a plurality of broken axis of rotation 220, then shoveling and getting the rock through scraper bowl 10, can prevent effectively that the too big condition that causes the overweight overload of scraper bowl 10 of stone from taking place, thereby realize providing stable safety guarantee's purpose. In addition, the volume of the containing space 110 can be reduced by the increase of the volume of the air bag 300, so that the overweight and overload of the bucket body 100 can be further avoided, and the volume of the containing space 110 can also be increased by the decrease of the volume of the air bag 300, so that the purposes of improving the capacity of the bucket body 100 and improving the shoveling efficiency can be achieved. Moreover, the volume of the air bag 300 can be expanded to prevent the soil from adhering to the bottom wall 112 of the accommodating space 110, and the cleaning of the soil inside the bucket body 100 can be facilitated, so that the cleaning of the soil inside the bucket body 100 can be completed quickly, and the cleaning efficiency of the bucket 10 can be improved.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A bucket comprising a bucket body, a crushing assembly and an air bag;

an accommodating space is arranged in the bucket body, and the accommodating space is provided with an opening and a bottom wall corresponding to the opening;

the crushing assembly comprises a driving device and a plurality of crushing rotating shafts, the crushing rotating shafts are rotatably connected to the bucket body and located in the accommodating space, the crushing rotating shafts are located at the opening and are arranged at intervals, and the driving device is connected to the crushing rotating shafts and is used for driving the crushing rotating shafts to rotate relative to the bucket body so as to crush rocks;

2. The dipper of claim 1, wherein the crushing assembly further includes a mounting plate, the drive device being mounted on the mounting plate, one of the ends of the plurality of crushing rotating shafts being mounted on the mounting plate, the mounting plate being removably attached to the dipper body rearward end.

3. The bucket of claim 2, wherein the bucket body has a back plate for mounting a machine arm, one side of the back plate is used for forming the accommodating space, and the back plate is provided with a plurality of grooves;

4. A bucket in accordance with claim 3 wherein a side of the back plate adjacent the opening has a notch communicating with the recess, the crushing rotary shaft being extendable from the notch into the recess in a radial direction thereof.

5. The dipper of claim 3, wherein the crushing assembly further includes a plurality of connecting cylinders, each connecting cylinder being disposed at an end of the crushing rotary shaft remote from the mounting plate, and the connecting cylinders being rotatably connected to the crushing rotary shaft, the connecting cylinders being detachably connected to a side of the dipper body remote from the back plate.

6. The bucket set forth in claim 1 wherein the drive includes a drive motor, a first drive chain, and a second drive chain, the drive motor being chain connected with the first drive chain;

the crushing rotating shafts are two, wherein one crushing rotating shaft is provided with a first driving wheel, and the two crushing rotating shafts are provided with second driving wheels;

the first transmission chain is sleeved on the first transmission wheel;

7. A bucket according to any one of claims 1 to 6, wherein the crushing rotor shaft is provided with a plurality of crushing teeth projecting therefrom at spaced intervals.

8. The dipper of claim 1, further comprising an air tube connected to the air bladder through a bottom wall of the dipper body, the air tube configured to direct air flow into or out of the air bladder to selectively inflate or deflate the air bladder.

9. The bucket of claim 8 wherein a sleeve is fixedly disposed on the bottom of the bucket body, and one end of the air pipe extending out of the bucket body passes through the sleeve.

10. An excavator comprising a bucket as claimed in any one of claims 1 to 9.