CN115262670A

CN115262670A - Engineering machine tool scraper bowl coupling assembling convenient to assembly

Info

Publication number: CN115262670A
Application number: CN202210833304.0A
Authority: CN
Inventors: 罗绍康
Original assignee: Ningbo Jiwei Melt Mould Casting Co ltd
Current assignee: Ningbo Jiwei Melt Mould Casting Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-11-01

Abstract

The invention relates to the technical field of bucket installation, and discloses an engineering machinery bucket connecting assembly convenient to assemble, which comprises a bucket shell and a large arm on the bucket shell, wherein a connecting small arm is installed on one side of the large arm, the large arm is connected with the connecting small arm through a connecting frame, connecting support lugs are symmetrically arranged at the upper end of the bucket shell, a round shaft sleeve is arranged on the other side of each connecting support lug, an arc-shaped edge is arranged on the inner wall of each connecting support lug, the arc-shaped edge is positioned at the lower end of the round shaft sleeve, a pressure shaft sleeve is arranged at the lower end of the large arm, a sliding cavity is arranged inside the pressure shaft sleeve, telescopic shaft rods are symmetrically installed inside the sliding cavity, and a pushing piston is installed at one end of each telescopic shaft rod. The invention greatly reduces the installation complexity of the device by matching the driving pump body with the control box body, has flexible installation and simple operation, and is suitable for the connection and installation of various bucket mechanical equipment.

Description

Engineering machine tool scraper bowl coupling assembling convenient to assembly

Technical Field

The invention relates to the technical field of bucket installation, in particular to an engineering machinery bucket connecting assembly convenient to assemble.

Background

The bucket is connected with the bucket rod and the connecting rod through the bucket rod pin shaft and the connecting rod pin shaft, the bucket replacing process is actually to detach the bucket rod pin shaft and the connecting rod bucket oil cylinder pin shaft, detach the originally used bucket, and then connect other buckets or working devices with the bucket rod pin shaft and the connecting rod pin shaft, namely, the process of mounting the bucket rod pin shaft and the connecting rod pin shaft is completed.

However, the conventional engineering machinery bucket connecting assembly convenient to assemble is usually formed by slowly attaching the lower end of a bucket rod to a shaft pin at the upper end of a bucket and manually penetrating a connecting shaft between the lower end of the bucket rod and the shaft pin, and the operation is very troublesome and the installation is relatively laborious.

Disclosure of Invention

The invention provides an engineering machinery bucket connecting assembly convenient to assemble, which has the beneficial effect of convenience in installation and solves the problems that the lower end of a bucket rod is slowly attached to a shaft pin at the upper end of a bucket, and a connecting shaft is manually penetrated between the bucket rod and the shaft pin, so that the operation is very troublesome and the installation is labor-consuming in the prior art.

The invention provides the following technical scheme: the utility model provides an engineering machine tool scraper bowl coupling assembling convenient to assembly, big arm on including scraper bowl casing and the scraper bowl casing, the connection forearm is installed to one side of big arm, big arm passes through the link with being connected the forearm and is connected, the upper end symmetry of scraper bowl casing is equipped with connects the journal stirrup, the opposite side of connecting the journal stirrup is equipped with the circle axle sleeve, the inner wall of connecting the journal stirrup is equipped with the arc limit, the lower extreme that is located the circle axle sleeve on arc limit, the lower extreme of big arm is equipped with the pressure axle sleeve, the inside of pressure axle sleeve is equipped with sliding chamber, sliding chamber's inside symmetry installs flexible axostylus axostyle, promotion piston, two are installed to the one end of flexible axostylus axostyle install the telescopic link between the flexible axostylus axostyle, first spring is installed in the outside of telescopic link, the both ends of pressure axle sleeve are equipped with spacing laminating outer loop, be equipped with first pressure chamber between the outside of flexible axostylus axostyle and sliding chamber's the inner wall.

As an alternative to the easy-to-assemble work machine bucket attachment assembly of the present invention, wherein: the lower extreme of connecting the forearm is equipped with the semicircle cutting ferrule, the inside of connecting the forearm is equipped with the drive pressure cavity, the internally mounted of drive pressure cavity has the actuating lever, the inside of connecting the forearm still is equipped with the dispersion oil duct, the inside of connecting the forearm still is equipped with the connection oil duct for dispersion oil duct lower extreme, the inside of semicircle cutting ferrule is equipped with the second pressure chamber, the internally mounted of second pressure chamber has the annular to extend the axle, the annular extends the one end of axle and installs sealed piston, the inside of connecting the journal stirrup still installs the back shaft, the second spring is installed in the outside of actuating lever.

As an alternative to the easy-to-assemble work machine bucket attachment assembly of the present invention, wherein: the lower extreme of actuating lever is equipped with the laminating bottom plate, the lower surface of laminating bottom plate is equipped with the laminating cambered surface, the lower extreme of laminating bottom plate is equipped with the support roller bearing.

As an alternative to the easy-to-assemble work machine bucket attachment assembly of the present invention, wherein: the semicircular clamping sleeve is further internally provided with a fixing notch, and one end of the annular extending shaft is used for being inserted into the fixing notch.

As an alternative to the easy-to-assemble work machine bucket attachment assembly of the present invention, wherein: the outer side of the annular extension shaft is provided with a fixed chute, a right-angle bayonet lock is arranged in the first spring, and one end of the right-angle bayonet lock is used for being clamped in the fixed chute.

As an alternative to the easy-to-assemble work machine bucket attachment assembly of the present invention, wherein: the pressure shaft sleeve is internally provided with a guide oil way, and two ends of the guide oil way are respectively connected with the two first pressure cavities.

As an alternative to the easy-to-assemble work machine bucket attachment assembly of the present invention, wherein: the internally mounted of big arm has sealed piston, sealed piston's both ends symmetry is equipped with the symmetry grillage, the symmetry grillage is used for laminating at big arm inner wall.

As an alternative to the easy-to-assemble work machine bucket attachment assembly of the present invention, wherein: the hydraulic oil pump is characterized in that a driving pump body is mounted inside the large arm, a hydraulic oil tank is mounted on one side of the driving pump body, a high-pressure pipe is mounted on one side of the hydraulic oil tank, and the lower end of the high-pressure pipe is connected with a guide oil way.

As an alternative to the easy-to-assemble work machine bucket attachment assembly of the present invention, wherein: the inside of big arm still installs the control box, the upper end of control box is installed and is connected the circuit outward, control box and drive pump body electric connection.

As an alternative to the easy-to-assemble work machine bucket attachment assembly of the present invention, wherein: the connecting pipe is installed to the upper end of the drive pump body, hydraulic tank is installed to one side of the inside of big arm, the connecting pipe is used for connecting hydraulic tank and the drive pump body.

The invention has the following beneficial effects:

1. this engineering machine tool scraper bowl coupling assembling convenient to assembly, extend a coordinated operation of inner structure through semicircle cutting ferrule and annular, the device adopts linkage fixed knot to construct, make and connect the forearm when the whereabouts, through the returning of actuating lever, during dispersion oil duct is impressed with the hydraulic oil in the driving pressure cavity and the connection oil duct, send into the second pressure intracavity by connecting the oil duct again, and pressurize the second pressure intracavity portion, it is ejecting to extend the axle with the annular, accomplish fixed operation, this structure, reducible artificial installation is interfered, only need single can realize the fixed operation between connecting forearm and the back shaft.

2. This engineering machine tool scraper bowl coupling assembling convenient to assembly, arc structure through the arc limit, make the pressure axle sleeve fall behind, automatically align the position between flexible axostylus axostyle and the circle axle sleeve, withdraw first pressure chamber internal pressure this moment, through the effect of first spring and telescopic link, can push away two flexible axostylus axostyles to both sides are automatic, make the tip of flexible axostylus axostyle stretch into the inside of circle axle sleeve, accomplish the connection operation between circle axle sleeve and the pressure axle sleeve, through above-mentioned structural feature, make when the installation, can possess the automatic installation function, and can accomplish the installation of device by oneself, need not extra artifical supplementary, and the protruding structure of the arc expansion state and the spacing laminating outer loop on arc limit, then be when connecting the inside whereabouts of journal stirrup for the pressure axle sleeve, possess spacing effect, make the orbit on spacing outer loop laminating according to arc limit drop down to the centre of a circle bottom centre of a circle, thereby guarantee the automatic alignment of pressure axle sleeve and the axle center position of circle axle sleeve, the operation of device has been simplified and possessed convenient installation effect.

3. This engineering machine tool scraper bowl coupling assembling convenient to assembly, through the cooperation of the drive pump body with the control box, can be connected external circuit and external operating equipment, can realize the remote drive operation to two telescopic shaft pole, make telescopic shaft pole when with the butt joint of circle axle sleeve, only need the operating personnel of equipment to operate alone, the operation can be accomplished the installation to both, the installation loaded down with trivial details nature of device has been reduced by a wide margin, and the installation is nimble, and easy operation, adaptable in the connection of multiple scraper bowl mechanical equipment, the installation.

Drawings

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

Fig. 2 is a schematic view of a semi-circular ferrule structure of the present invention.

FIG. 3 is a schematic view of a forward cross-sectional structure of the connecting arm of the present invention.

Fig. 4 is a schematic side sectional view of the connecting small arm of the present invention.

FIG. 5 is a schematic view of the internal structure of the boom of the present invention.

In the figure: 1. a bucket housing; 2. connecting the support lug; 3. a support shaft; 4. an arc-shaped edge; 5. a circular shaft sleeve; 6. a large arm; 7. connecting the small arms; 8. a pressure shaft sleeve; 9. a semicircular clamping sleeve; 10. a connecting frame; 11. a telescopic shaft lever; 12. an annular extension shaft; 14. attaching a bottom plate; 15. a drive rod; 16. a driving pressure cavity; 17. a dispersion oil passage; 18. connecting an oil duct; 19. a support roller; 20. a right-angle bayonet lock; 21. fixing the chute; 22. a sealing piston; 23. a sliding cavity; 24. pushing the piston; 25. a telescopic rod; 26. a first spring; 27. driving the pump body; 28. a hydraulic oil tank; 29. a guide oil way; 30. a control box body; 31. an external circuit; 32. limiting and fitting an outer ring; 33. a first pressure chamber; 34. a second spring; 35. a second pressure chamber; 36. a fixed notch; 37. fitting the cambered surface; 38. a connecting pipe; 39. a high pressure pipe; 40. and a symmetrical plate frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-5, one of the engineering machinery bucket connecting assemblies convenient to assemble includes a bucket housing 1 and a large arm 6 on the bucket housing 1, a connecting small arm 7 is installed on one side of the large arm 6, the large arm 6 is connected with the connecting small arm 7 through a connecting frame 10, connecting lugs 2 are symmetrically arranged at the upper end of the bucket housing 1, a circular shaft sleeve 5 is arranged at the other side of the connecting lugs 2, an arc-shaped edge 4 is arranged on the inner wall of the connecting lug 2, the lower end of the arc-shaped edge 4, which is located at the circular shaft sleeve 5, a pressure shaft sleeve 8 is arranged at the lower end of the large arm 6, a sliding cavity 23 is arranged inside the pressure shaft sleeve 8, telescopic shafts 11 are symmetrically arranged inside the sliding cavity 23, a pushing piston 24 is installed at one end of the telescopic shafts 11, a telescopic rod 25 is installed between the two telescopic shafts 11, a first spring shaft 26 is installed at the outer side of the telescopic rod 25, outer rings 32 are arranged at the two ends of the pressure shaft sleeve 8, and a first pressure cavity 33 is arranged between the outer side of the telescopic shaft 11 and the inner wall of the sliding cavity 23.

Firstly, vertically placing a bucket shell 1 on the ground, and simultaneously translating a large arm 6 to a position right above the bucket shell 1 to enable a telescopic shaft lever 11 to be vertically arranged at a position above a circular shaft sleeve 5, pressurizing the first pressure cavity 33 at the moment, driving a pushing piston 24 to move inwards after the internal pressure of the first pressure cavity 33 is increased, driving two telescopic shaft levers 11 to contract inwards, enabling the end parts of the two telescopic shaft levers 11 to be flush with a limiting and jointing outer ring 32, and enabling the outer surface of the limiting and jointing outer ring 32 to be jointed with the inner wall of a connecting support lug 2 by driving the large arm 6 to slightly fall down;

meanwhile, the outer side of the limiting and fitting outer ring 32 is in contact with the inside of the arc-shaped edge 4, the pressure shaft sleeve 8 falls, the position between the telescopic shaft rod 11 and the circular shaft sleeve 5 is automatically aligned, the internal pressure of the first pressure cavity 33 is withdrawn at the moment, the two telescopic shaft rods 11 can be automatically pushed open towards two sides under the action of the first spring 26 and the telescopic rod 25, the end parts of the telescopic shaft rods 11 extend into the inside of the circular shaft sleeve 5, the connection operation between the circular shaft sleeve 5 and the pressure shaft sleeve 8 is completed, and by means of the structural characteristics, the automatic installation function can be achieved when the device is installed, the device can be automatically installed, and additional manual assistance is not needed.

The arc unfolding state of the arc-shaped edge 4 and the protruding structure of the limiting attaching outer ring 32 have a limiting effect when the pressure shaft sleeve 8 falls inside the connecting support lug 2, so that the limiting attaching outer ring 32 falls down to the center of the circle at the bottom of the arc-shaped edge 4 according to the track of the arc-shaped edge 4, the automatic alignment of the pressure shaft sleeve 8 and the axis position of the circular shaft sleeve 5 are ensured, the operation of the device is simplified, and the convenient installation effect is achieved.

Example 2

The present embodiment is an improvement made on the basis of the engineering machinery bucket connecting assembly which is convenient to assemble in the embodiment, specifically, please refer to fig. 1 to 5, a semicircular clamping sleeve 9 is arranged at the lower end of the connecting forearm 7, a driving pressure cavity 16 is arranged inside the connecting forearm 7, a driving rod 15 is arranged inside the driving pressure cavity 16, a dispersion oil passage 17 is further arranged inside the connecting forearm 7, a connecting oil passage 18 which is the lower end of the dispersion oil passage 17 is further arranged inside the connecting forearm 7, a second pressure cavity 35 is arranged inside the semicircular clamping sleeve 9, an annular extension shaft 12 is arranged inside the second pressure cavity 35, a sealing piston 22 is arranged at one end of the annular extension shaft 12, a support shaft 3 is further arranged inside the connecting support lug 2, and a second spring 34 is arranged outside the driving rod 15.

The driving pressure cavity 16 is filled with hydraulic oil, when the connection between the pressure shaft sleeve 8 and the circular shaft sleeve 5 is completed, the connecting small arm 7 is pushed downwards through the hydraulic rod and falls down, the semi-circular clamping sleeve 9 is driven to fall down simultaneously, the connecting small arm falls to the upper part of the supporting shaft 3, and the connecting small arm 7 continuously falls down;

firstly, the lower surface of the driving rod 15 is contacted with the upper surface of the supporting shaft 3, the driving rod 15 is pushed upwards, a sealed compression state is formed inside the driving pressure cavity 16, hydraulic oil inside the driving pressure cavity 16 is respectively pressed into the two dispersion oil channels 17, then the hydraulic oil is conveyed into the connecting oil channel 18 through the dispersion oil channels 17, the connecting oil channel 18 conveys pressure to the inside of the second pressure cavity 35, the sealing piston 22 is pushed open through the sealing effect of the sealing piston 22, the annular extending shaft 12 extends outwards around the outer side of the supporting shaft 3 in an annular shape, and the supporting shaft 3 is in a gripping state, so that the fixing operation between the connecting small arm 7 and the supporting shaft 3 is completed.

Through the structure, the device adopts linkage fixed knot to construct, make and connect forearm 7 when the whereabouts, through the back of contracting of actuating lever 15, the hydraulic oil in the driving pressure cavity 16 is impressed among dispersion oil duct 17 and the connecting oil duct 18, send into in the second pressure chamber 35 by connecting oil duct 18 again, and pressurize second pressure chamber 35 is inside, it is ejecting to extend axle 12 with the ring, accomplish fixed operation, this structure, reducible artificial installation is interfered, only need can realize the fixed operation between connecting forearm 7 and back shaft 3 by one person.

Example 3

The present embodiment is an improvement made on the basis of embodiment 2, and specifically, referring to fig. 1 to 5, a fitting bottom plate 14 is disposed at the lower end of the driving rod 15, a fitting arc surface 37 is disposed on the lower surface of the fitting bottom plate 14, and a supporting roller 19 is disposed at the lower end of the fitting bottom plate 14.

Support roller 19 arranges the lower surface at laminating bottom plate 14 according to the orbit of laminating cambered surface 37, when the lower surface of actuating lever 15 and the upper surface contact of back shaft 3, can contact with it through laminating bottom plate 14, through the arc structure of support roller 19, can guarantee to realize supporting and mistake to it and touch the effect, when the lower surface of avoiding laminating bottom plate 14 and the upper surface contact of back shaft 3, the dislocation state appears, influence the support and the installation operation of device, thereby make the device possess quick installation and the function of conveniently connecting, and the installation operation need not extra manual intervention.

Example 4

In this embodiment, an improvement is made on the basis of embodiment 3, specifically, referring to fig. 1 to 5, a fixing notch 36 is further provided inside the half-round ferrule 9, one end of the annular extending shaft 12 is used for being inserted into the fixing notch 36, a fixing inclined groove 21 is provided outside the annular extending shaft 12, a right-angled bayonet 20 is provided inside the first spring 26, and one end of the right-angled bayonet 20 is used for being clamped inside the fixing inclined groove 21.

When the annular extension shaft 12 is the annular and rotates, the inside of fixed notch 36 can be inserted to the one end of annular extension shaft 12, and when the one end of annular extension shaft 12 extended to inside, can not cross the inside of right angle bayonet 20, after fixed chute 21 moved to the position of right angle bayonet 20, the lower extreme of right angle bayonet 20 can be blocked wherein, form fixed state, and one side of right angle bayonet 20 is equipped with the shell fragment, can keep right angle bayonet 20 card in the inside of fixed chute 21, thereby make the device realize the locking locate function, avoid the device when using, the inside pressure of second pressure chamber 35 reduces, annular extension shaft 12 takes place to become flexible, influence the support of annular extension shaft 12.

Example 5

In this embodiment, an improvement is made on the basis of embodiment 4, specifically, referring to fig. 1 to 5, a guide oil path 29 is further provided inside the pressure shaft sleeve 8, two ends of the guide oil path 29 are respectively connected to the two first pressure chambers 33, the sealing piston 22 is installed inside the upper arm 6, two ends of the sealing piston 22 are symmetrically provided with symmetrical plate brackets 40, and the symmetrical plate brackets 40 are used for being attached to the inner wall of the upper arm 6.

Symmetry grillage 40 forms triangle-shaped supported state with sealed piston 22, and for laminating connection status between two sealed pistons 22, a plurality of sealed piston 22 laminates each other, can realize the inside supporting effect of device, need not to fill inside for solid state moreover, can increase substantially the installation stability of device for it is more stable to connect between the 6 inner walls of big arm, and reduces inside material and piles up, thereby realizes save material's effect.

Example 6

In this embodiment, an improvement is made on the basis of embodiment 5, specifically, referring to fig. 1 to 5, a driving pump body 27 is installed inside the large arm 6, a hydraulic oil tank 28 is installed on one side of the driving pump body 27, a high-pressure pipe 39 is installed on one side of the hydraulic oil tank 28, a lower end of the high-pressure pipe 39 is connected to the guide oil passage 29, a control box body 30 is further installed inside the large arm 6, an external connection line 31 is installed at an upper end of the control box body 30, the control box body 30 is electrically connected to the driving pump body 27, a connection pipe 38 is installed at an upper end of the driving pump body 27, the hydraulic oil tank 28 is installed on one side inside the large arm 6, and the connection pipe 38 is used for connecting the hydraulic oil tank 28 and the driving pump body 27.

The telescopic shaft lever 11 needs hydraulic pressure to drive and operate, and manual interference is needed to complete hydraulic drive of the telescopic shaft lever 11 while installation is carried out, but the installation mode is very troublesome and inconvenient to operate, so the telescopic shaft lever 11 needs an operation structure which can be completed by a single person;

by connecting the external line 31 with external equipment and electrically connecting the control box 30 with the driving pump 27, the control box 30 can send an instruction to the driving pump 27 to make the driving pump 27 suck the oil in the hydraulic oil tank 28 through the connecting pipe 38 and convey the oil to the guide oil way 29 through the high-pressure pipe 39, at this time, the guide oil way 29 respectively fills the two first pressure cavities 33 simultaneously to increase the pressure in the first pressure cavities 33, so that the push piston 24 expands inward to make the two telescopic shaft levers 11 contract inward simultaneously, and the top ends of the telescopic shaft levers 11 are flush with the limit joint outer ring 32;

and the normality of the telescopic shaft lever 11 is the expansion state, only when the first pressure cavity 33 receives pressure, the telescopic shaft lever 11 can be driven to contract inwards, through the cooperation of the driving pump body 27 and the control box body 30, the external circuit 31 can be connected with the external operating equipment, the remote driving operation of the two telescopic shaft levers 11 can be realized, when the telescopic shaft lever 11 is butted with the circular shaft sleeve 5, only the operator of the equipment needs to operate alone, and the installation of the telescopic shaft lever 11 and the circular shaft sleeve can be completed, so that the installation complexity of the device is greatly reduced, the installation is flexible, the operation is simple, and the device can be suitable for the connection and installation of various bucket mechanical equipment.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an engineering machine tool scraper bowl coupling assembling convenient to assemble, big arm (6) on bucket casing (1) and bucket casing (1), connection forearm (7) are installed to one side of big arm (6), big arm (6) are connected its characterized in that through link (10) with connecting forearm (7): the scraper bowl casing (1) upper end symmetry is equipped with connects journal stirrup (2), the opposite side of connecting journal stirrup (2) is equipped with circle axle sleeve (5), the inner wall of connecting journal stirrup (2) is equipped with arc limit (4), the lower extreme that is located circle axle sleeve (5) on arc limit (4), the lower extreme of big arm (6) is equipped with pressure axle sleeve (8), the inside of pressure axle sleeve (8) is equipped with sliding chamber (23), flexible axostylus axostyle (11) is installed to the inside symmetry of sliding chamber (23), promotion piston (24) are installed to the one end of flexible axostylus axostyle (11), two install telescopic link (25) between flexible axostylus axostyle (11), first spring (26) are installed in the outside of telescopic link (25), the both ends of pressure axle sleeve (8) are equipped with spacing laminating outer loop (32), be equipped with first pressure chamber (33) between the outside of flexible axostylus axostyle (11) and the inner wall of sliding chamber (23).

2. A work machine bucket attachment assembly for facilitating assembly of claim 1, wherein: the lower extreme of connecting forearm (7) is equipped with semicircle cutting ferrule (9), the inside of connecting forearm (7) is equipped with driving pressure cavity (16), the internally mounted of driving pressure cavity (16) has actuating lever (15), the inside of connecting forearm (7) still is equipped with dispersion oil duct (17), the inside of connecting forearm (7) still is equipped with connection oil duct (18) for dispersion oil duct (17) lower extreme, the inside of semicircle cutting ferrule (9) is equipped with second pressure chamber (35), the internally mounted of second pressure chamber (35) has the annular to extend axle (12), sealing piston (22) are installed to the annular one end that extends axle (12), back shaft (3) are still installed to the inside of connecting journal stirrup (2), second spring (34) are installed in the outside of actuating lever (15).

3. A work machine bucket attachment assembly that facilitates assembly in accordance with claim 2 wherein: the lower extreme of actuating lever (15) is equipped with laminating bottom plate (14), the lower surface of laminating bottom plate (14) is equipped with laminating cambered surface (37), the lower extreme of laminating bottom plate (14) is equipped with support roller (19).

4. A work machine bucket attachment assembly that facilitates assembly as set forth in claim 3 wherein: the semicircular clamping sleeve (9) is further internally provided with a fixing notch (36), and one end of the annular extension shaft (12) is inserted into the fixing notch (36).

5. A work machine bucket attachment assembly that facilitates assembly of claim 4, wherein: a fixed inclined groove (21) is formed in the outer side of the annular extending shaft (12), a right-angled clamping pin (20) is arranged inside the first spring (26), and one end of the right-angled clamping pin (20) is clamped inside the fixed inclined groove (21).

6. A work machine bucket attachment assembly that facilitates assembly of claim 5, wherein: the pressure shaft sleeve (8) is further internally provided with a guide oil way (29), and two ends of the guide oil way (29) are respectively connected with the two first pressure cavities (33).

7. A work machine bucket attachment assembly that facilitates assembly of claim 6, wherein: the internally mounted of big arm (6) has sealed piston (22), the both ends symmetry of sealed piston (22) is equipped with symmetry grillage (40), symmetry grillage (40) are used for laminating at big arm (6) inner wall.

8. A work machine bucket attachment assembly that facilitates assembly in accordance with claim 7 wherein: the hydraulic control system is characterized in that a driving pump body (27) is mounted inside the large arm (6), a hydraulic oil tank (28) is mounted on one side of the driving pump body (27), a high-pressure pipe (39) is mounted on one side of the hydraulic oil tank (28), and the lower end of the high-pressure pipe (39) is connected with a guide oil way (29).

9. An assembly facilitating work machine bucket attachment assembly according to claim 8, wherein: the inside of big arm (6) still installs control box (30), external circuit (31) are installed to the upper end of control box (30), control box (30) and drive pump body (27) electric connection.

10. A work machine bucket attachment assembly that facilitates assembly in accordance with claim 9 wherein: connecting pipe (38) are installed to the upper end of the drive pump body (27), hydraulic tank (28) are installed to one side of the inside of big arm (6), connecting pipe (38) are used for connecting hydraulic tank (28) and the drive pump body (27).