CN216615996U

CN216615996U - Connecting device for bucket of excavator

Info

Publication number: CN216615996U
Application number: CN202122897185.9U
Authority: CN
Inventors: 洪家栋
Original assignee: Hubei Fuyi Agricultural Machinery Manufacturing Co ltd
Current assignee: Hubei Fuyi Agricultural Machinery Manufacturing Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-05-27
Anticipated expiration: 2031-11-24

Abstract

The utility model relates to the technical field of excavators, in particular to an excavator bucket connecting device which comprises a quick connector main body, wherein a fixed mounting plate is fixedly arranged on one side of the bottom of the quick connector main body, a movable mounting plate is movably arranged on one side of the bottom of the quick connector main body, which is far away from the fixed mounting plate, a first jaw opening and a second jaw opening are respectively arranged on the edge openings of one sides of the fixed mounting plate and the movable mounting plate, which are far away from each other, the peripheries of two ends of the first jaw opening and the second jaw opening are respectively provided with a semicircular chute, a first ball is movably arranged in the semicircular chute, a connecting shaft assembly is respectively arranged in the first jaw opening and the second jaw opening in a penetrating manner, the connecting shaft assembly comprises a connecting shaft main body, a first adjusting cylinder and a second adjusting cylinder, and the defect of serious abrasion caused by large friction force between the traditional quick connector and an excavator bucket ear plate can be effectively overcome through the semicircular chute and the first ball, meanwhile, the practicability and the applicability of the whole device are both strong.

Description

Connecting device for bucket of excavator

Technical Field

The utility model relates to the technical field of excavators, in particular to an excavator bucket connecting device.

Background

The bucket refers to a bucket which is installed on an excavator and used, the bucket is also called a bucket, the bucket is divided into a backhoe bucket and a front shovel bucket according to working modes, the backhoe bucket is generally used, the bucket belongs to structural part products, and the bucket comprises a tooth seat plate, a bottom plate, a side plate, a wall plate, a lug sleeve, a bucket tooth, a tooth seat, a protective plate or a bucket corner and other parts, so that welding is the most critical manufacturing process of the bucket, and the welding quality directly influences the structural strength and the service life of the bucket.

The excavator quick connector is a device used for connecting the bucket and the excavator, but the friction force between the lug plates of the existing excavator quick connector and the bucket in the using process is large, so that the abrasion is serious, and meanwhile, when the installation through holes in the lug plates of the tiger's mouth and the excavator bucket have large and small differences, a special adjusting structure is not arranged, so that the practicability and the applicability are low.

Accordingly, there is a need to design an excavator bucket attachment that solves the problems of the background art described above.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a bucket attachment for an excavator to solve the problems set forth in the background art.

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

the utility model provides an excavator scraper bowl connecting device, includes the quick connector main part, bottom one side fixed mounting of quick connector main part has fixed mounting panel, fixed mounting panel one side movable mounting panel is kept away from to the bottom of quick connector main part, fixed mounting panel, movable mounting panel keep away from each other one side along a mouthful department has seted up first tiger's mouth, second tiger's mouth respectively, semi-circular spout has all been seted up all around at first tiger's mouth and second tiger's mouth both ends, the inside movable mounting of semi-circular spout has first ball, the inside of first tiger's mouth and second tiger's mouth all runs through and installs the connecting axle assembly, the connecting axle assembly is including connecting axle main part, first regulation section of thick bamboo and second regulation section of thick bamboo, and first regulation section of thick bamboo, second regulation section of thick bamboo spiral mounting are in connecting axle main part both ends department respectively.

According to the preferable scheme of the utility model, the two ends of the connecting shaft main body are both provided with the mounting ends, the mounting ends and the connecting shaft main body are integrally formed, and the outer surface of each mounting end is provided with an external thread.

As a preferable scheme of the utility model, mounting screw holes are formed in the first adjusting cylinder and the second adjusting cylinder, sealing pieces are fixedly mounted at one ends of the first adjusting cylinder and the second adjusting cylinder, which are far away from the connecting shaft main body, annular sliding grooves are formed in the outer surfaces of the first adjusting cylinder and the second adjusting cylinder, and second balls are movably mounted in the annular sliding grooves.

As a preferable scheme of the present invention, the first ball and the second ball are respectively provided with a limiting chute at the center of the outer surface, and the upper and lower ends of the first ball and the second ball are respectively provided with a first arc end and a second arc end, and any one of the first arc end and the second arc end located at the first ball is located in the semicircular chute, and any one of the first arc end and the second arc end located at the second ball is located in the annular chute, and at the same time, the semicircular chute and the annular chute are filled with lubricating oil.

As a preferable scheme of the utility model, a pin shaft is arranged in the quick connector body in a penetrating way at a position close to the top end, a safety pin is arranged at one end in the quick connector body in a penetrating way, a lifting hook is fixedly arranged at the position close to the safety pin at the top of the quick connector body, and meanwhile, a hydraulic telescopic rod and a hydraulic valve are fixedly arranged in the quick connector body.

As a preferable scheme of the utility model, the fixed mounting plate and the quick connector main body are integrally formed, the movable mounting plate and the quick connector main body are movably mounted through the movable shaft, and the movable mounting plate is hinged with the hydraulic telescopic rod in the quick connector main body.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the friction force between the quick connector and the ear plate of the excavator bucket can be compensated through the arranged semicircular sliding groove and the first ball, so that the defect of serious abrasion caused by large friction force between the existing quick connector and the ear plate of the excavator bucket can be effectively overcome, the machine body loss is further greatly reduced, the service life of the quick connector is further prolonged, and meanwhile, when the size difference of the installation through holes on the ear plate of the excavator bucket facing the first tiger's mouth, the second tiger's mouth and the ear plate of the excavator bucket is formed, the difference can be adjusted through the arranged first adjusting cylinder and the second adjusting cylinder, so that the practicability and the applicability of the whole device are strong.

2. According to the utility model, the installation through holes on the ear plates can be sealed through the arranged sealing sheets, so that the dustproof and antifouling effects are achieved, meanwhile, the friction force among the first adjusting cylinder, the second adjusting cylinder and the ear plates can be compensated through the arranged annular sliding groove and the second ball, the looseness of the first adjusting cylinder and the second adjusting cylinder can be avoided, the phenomenon of tooth slipping of the installation screw hole can be prevented, and meanwhile, the first ball and the second ball can be effectively prevented from falling off through the arranged limiting sliding groove, the first arc-shaped end and the second arc-shaped end.

Drawings

FIG. 1 is a schematic view of the overall front plan exterior structure of the present invention;

FIG. 2 is an enlarged side view of the connecting shaft assembly according to the present invention;

FIG. 3 is a side view of the connecting shaft assembly of the present invention in a flat expanded configuration;

FIG. 4 is a side plan view of the first adjustment barrel of the present invention;

FIG. 5 is an enlarged plan view of the first ball of the present invention;

in the figure: 1. a quick connector body; 11. a pin shaft; 12. a shear pin; 13. hoisting hooks; 2. fixing the mounting plate; 3. a movable mounting plate; 4. a first tiger's mouth; 5. a second web; 451. a semicircular chute; 452. a first ball bearing; 453. a connecting shaft assembly; 6. a connecting shaft main body; 61. installing an end head; 62. an external thread; 7. a first adjustment barrel; 8. a second adjustment barrel; 781. mounting a screw hole; 782. sealing the sheet; 783. an annular chute; 784. a second ball bearing; 91. a limiting chute; 92. a first arcuate end; 93. a second arcuate end.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

the utility model provides an excavator bucket connecting device, including quick connector main part 1, bottom one side fixed mounting of quick connector main part 1 has fixed mounting panel 2, fixed mounting panel 2 one side movable mounting 3 is kept away from to the bottom of quick connector main part 1, fixed mounting panel 2, movable mounting panel 3 keeps away from each other one side and has seted up first tiger's mouth 4 respectively along a mouthful department, second tiger's mouth 5, semi-circular spout 451 has all been seted up all around at first tiger's mouth 4 and second tiger's mouth 5 both ends, the inside movable mounting of semi-circular spout 451 has first ball 452, the inside of first tiger's mouth 4 and second tiger's mouth 5 all runs through and installs connecting axle assembly 453, connecting axle assembly 453 is including connecting axle main part 6, a first regulation section of thick bamboo 7 and a second regulation section of thick bamboo 8, and a first regulation section of thick bamboo 7, second regulation section of thick bamboo 8 is respectively spiral mounting in connecting axle main part 6 both ends department, can be to between quick connector and the excavator bucket otic placode through the semi-circular spout 451 that set up and first ball 452 The frictional force compensate, thereby can effectually overcome the great serious defect that leads to wearing and tearing between current quick-operation joint ware and the excavator scraper bowl otic placode, and then reduced organism loss extension its life greatly, simultaneously can be in the face of first tiger's mouth 4, when second tiger's mouth 5 and excavator scraper bowl otic placode installation through-hole have big or small disparity, usable first regulation section of thick bamboo 7 and the second through setting up are adjusted a section of thick bamboo 8 and are adjusted its disparity, make the practicality and the suitability of integrated device all strong.

In an embodiment, referring to fig. 2, 3, 4 and 5, both ends of the connecting shaft main body 6 are provided with mounting ends 61, the mounting ends 61 and the connecting shaft main body 6 are integrally formed, and the outer surface of the mounting ends 61 is provided with external threads 62; mounting screw holes 781 are formed in the first adjusting cylinder 7 and the second adjusting cylinder 8, sealing pieces 782 are fixedly mounted at one ends, far away from the connecting shaft main body 6, of the first adjusting cylinder 7 and the second adjusting cylinder 8, annular sliding grooves 783 are formed in the outer surfaces of the first adjusting cylinder 7 and the second adjusting cylinder 8, and meanwhile second balls 784 are movably mounted in the annular sliding grooves 783; the outer surface centers of the first ball 452 and the second ball 784 are respectively provided with a limiting sliding groove 91, the upper end and the lower end of the first ball 452 and the lower end of the second ball 784 are respectively provided with a first arc end 92 and a second arc end 93, any one of the first arc end 92 and the second arc end 93 which are positioned at the first ball 452 is positioned in the semicircular sliding groove 451, meanwhile, any one of the first arc end 92 and the second arc end 93 which are positioned at the second ball 784 is positioned in the annular sliding groove 783, meanwhile, lubricating oil is filled in the semicircular sliding groove 451 and the annular sliding groove 783, the sealing sheet 782 is arranged to seal the installation through hole in the ear plate, the dustproof and antifouling effects are achieved, meanwhile, the friction force among the first adjusting cylinder 7, the second adjusting cylinder 8 and the ear plate can be compensated through the annular sliding groove 783 and the second ball 784, and therefore, the first adjusting cylinder 7, the second adjusting cylinder 8 and the ear plate can be prevented from being adjusted, The second is adjusted a section of thick bamboo 8 not hard up, still can prevent that smooth tooth phenomenon from appearing in installation screw 781, and meanwhile can effectually prevent first ball 452 and second ball 784 from taking place to drop through the spacing spout 91, first arc end 92 and the second arc end 93 that set up.

In the embodiment, referring to fig. 1, a pin shaft 11 is installed in the quick connector body 1 near the top end in a penetrating manner, a safety pin 12 is installed at one end in the quick connector body 1 in a penetrating manner, a lifting hook 13 is fixedly installed at the top of the quick connector body 1 near the safety pin 12, and a hydraulic telescopic rod and a hydraulic valve are fixedly installed in the quick connector body 1; the fixed mounting plate 2 and the quick connector main body 1 are integrally formed, the movable mounting plate 3 and the quick connector main body 1 are movably mounted through a movable shaft, and meanwhile, the movable mounting plate 3 is hinged to a hydraulic telescopic rod inside the quick connector main body 1.

The working principle is as follows: during installation, the quick connector body 1 can be placed between two groups of lug plates on the excavator bucket, the connecting shaft body 6 penetrates through the inside of an installation through hole in the lug plate and the inside of the first jaw 4 and the second jaw 5, then the first adjusting cylinder 7 and the second adjusting cylinder 8 are respectively and spirally installed at two ends of the connecting shaft body 6, meanwhile, the first adjusting cylinder 7 and the second adjusting cylinder 8 penetrate through the inside of the installation through hole in the lug plate, meanwhile, the sealing sheet 782 is located on the outer wall of the lug plate, and friction force between the quick connector and the excavator bucket lug plate can be compensated through the arranged semicircular sliding groove 451 and the first ball 452, so that the defect that the abrasion is serious due to the fact that the friction force between the existing quick connector and the excavator bucket lug plate is large can be effectively overcome, further, the machine body loss is greatly reduced, the service life of the quick connector is prolonged, and meanwhile, the quick connector can be used for overcoming the defect that the abrasion is serious in the way of the first jaw 4, When installation through-hole has big or small disparity on second tiger's mouth 5 and the excavator scraper bowl otic placode, usable first regulation section of thick bamboo 7 and the second through setting up are adjusted a section of thick bamboo 8 and are adjusted its disparity, make the practicality and the suitability of integrated device all strong, and can seal the installation through-hole on the otic placode through the gasket 782 that sets up, reach dustproof antifouling effect, annular spout 783 and the second ball 784 through setting up can be to first regulation section of thick bamboo 7 simultaneously, the frictional force between a section of thick bamboo 8 and the otic placode is adjusted to the second compensates, not only can avoid first regulation section of thick bamboo 7, the not hard up of a section of thick bamboo 8 is adjusted to the second, still can prevent that smooth tooth phenomenon from appearing in installation screw 781, meanwhile through the spacing spout 91 that sets up, first arc end 92 and second arc end 93 can effectually prevent that first ball 452 and second ball 784 from taking place to drop, have certain spreading value.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An excavator bucket attachment comprising a quick connector body (1), characterized in that: the bottom one side fixed mounting of quick-operation joint ware main part (1) has fixed mounting panel (2), fixed mounting panel (2) one side movable mounting panel (3) is kept away from to the bottom of quick-operation joint ware main part (1), one side is kept away from each other along a mouthful department and has been seted up first tiger's mouth (4), second tiger's mouth (5) respectively to fixed mounting panel (2), movable mounting panel (3), semi-circular spout (451) have all been seted up all around at first tiger's mouth (4) and second tiger's mouth (5) both ends, the inside movable mounting of semi-circular spout (451) has first ball (452), the inside of first tiger's mouth (4) and second tiger's mouth (5) all runs through and installs connecting axle assembly (453), connecting axle assembly (453) are including connecting axle main part (6), first regulation section of thick bamboo (7) and second regulation section of thick bamboo (8), and the first adjusting cylinder (7) and the second adjusting cylinder (8) are respectively and spirally arranged at two ends of the connecting shaft main body (6).

2. An excavator bucket attachment apparatus as claimed in claim 1 wherein: connecting axle main part (6) both ends all are provided with installation end (61), and installation end (61) and connecting axle main part (6) integrated into one piece, and external screw thread (62) have been seted up to installation end (61) surface simultaneously.

3. An excavator bucket attachment apparatus as claimed in claim 2 wherein: the inside of a section of thick bamboo (8) is adjusted to first regulation section of thick bamboo (7) and second all is provided with installation screw (781), and the one end fixed mounting that connecting axle main part (6) were kept away from to a first regulation section of thick bamboo (7) and second regulation section of thick bamboo (8) has gasket (782), and annular spout (783) have been seted up to the surface of a first regulation section of thick bamboo (7) and second regulation section of thick bamboo (8) simultaneously, and meanwhile the inside movable mounting of annular spout (783) has second ball (784).

4. An excavator bucket attachment apparatus as claimed in claim 3 wherein: spacing spout (91) have all been seted up in first ball (452) and second ball (784) surface center department, and the upper and lower both ends of first ball (452) and second ball (784) are provided with first arc end (92), second arc end (93) respectively, be located first arc end (92) of first ball (452) department simultaneously, arbitrary one end is located semi-circular spout (451) in second arc end (93), be located first arc end (92) of second ball (784) department simultaneously, arbitrary one end is located the inside of annular spout (783) in second arc end (93), the inside of semi-circular spout (451) and annular spout (783) has been filled with lubricating oil simultaneously.

5. An excavator bucket attachment apparatus as claimed in claim 1 wherein: the inside of quick-operation connector main part (1) is close to top department and runs through and installs round pin axle (11), and the inside one end of quick-operation connector main part (1) runs through and installs safety pin (12), and the top of quick-operation connector main part (1) is close to safety pin (12) department fixed mounting simultaneously has hoist and mount hook (13), and the inside fixed mounting of quick-operation connector main part (1) has hydraulic telescoping rod and hydrovalve simultaneously.

6. An excavator bucket attachment apparatus as claimed in claim 5 wherein: fixed mounting panel (2) and quick-operation joint ware main part (1) integrated into one piece, and movable mounting panel (3) and quick-operation joint ware main part (1) pass through loose axle movable mounting, and movable mounting panel (3) and the inside hydraulic telescoping rod of quick-operation joint ware main part (1) are articulated simultaneously.