CN220301418U - Rotary quick-change connector for excavator - Google Patents

Abstract

The utility model discloses a rotary quick-change connector for an excavator, and relates to the technical field of excavators. The utility model comprises a fixed interface, wherein the fixed interface is fixedly arranged on a cantilever of a digging machine, the bottom of the fixed interface is fixedly provided with a rotary assembly, the rotary assembly is connected with an oil pump of the digging machine, the bottom of the rotary assembly is fixedly provided with a rotary joint outer base, and the top of the inner side of the rotary joint outer base is fixedly provided with a central rotary joint. According to the quick-change connector, the condition of the quick-change connector can be clearly observed by a driver through the camera, the quick-change connector is convenient for the driver to observe, the bucket can be quickly replaced and installed through the first clamping pin, the second clamping pin and the hydraulic push rod, the angle of the bucket can be limited to be aligned with the quick-change component through the cooperation of the guide bench, the guide groove and the limiting plane and the guide groove, and the first clamping pin and the second clamping pin can be smoothly clamped between the fixing pins.

Description

Rotary quick-change connector for excavator

Technical Field

The utility model relates to the technical field of excavators, in particular to a rotary quick-change connector for an excavator.

Background

An excavator is an earth moving machine which uses a bucket to excavate materials higher or lower than a bearing surface and loads the materials into a transport vehicle or unloads the materials to a storage yard. One end of the quick-change connector of the excavator is connected with the front end of the arm of the excavator, and the other end of the quick-change connector is connected with the bucket, so that quick-change among the bucket, the scarifier, the breaking hammer, the hydraulic shears and the like can be realized, the application range of the excavator is enlarged, the replacement operation time can be saved, and the work efficiency is improved.

Chinese patent publication No. CN214657331U discloses a rotary quick-change joint for an excavator, which may include an upper connection seat, a swivel assembly, a central swivel joint and a lower connector, the upper connection seat being fixed on the swivel assembly and provided with a first pin hole and a second pin hole for connecting an excavator bucket rod and a first central through hole; the rotary component is fixed on the lower connector and is provided with a second central through hole.

In the prior art, when the device is used, a driver is required to have a skilled driving technology, the driver can align to the replacement interface to complete quick replacement by virtue of feeling or external assistance, and the device still has the use limitation in the actual use process, so that the driver cannot directly observe the quick-connection interface, and the quick replacement is troublesome.

For this purpose, a rotary quick-change coupling for an excavator is proposed.

Disclosure of Invention

The utility model aims at: in order to solve the problems mentioned in the background art, the present utility model provides a rotary quick-change joint for an excavator.

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides a rotatory quick change joint for excavator, includes fixed interface, fixed interface fixed mounting is on the cantilever of excavator, fixed interface's bottom fixed mounting has the gyration subassembly, the gyration subassembly links to each other with the oil pump of excavator, the bottom fixed mounting of gyration subassembly has the gyration to connect outer base, the inboard top fixed mounting of gyration joint outer base has central gyration to connect, the oil circuit in central gyration joint and the gyration subassembly links to each other, the bottom of gyration joint outer base rotates and installs the quick subassembly that connects that is used for location and quick switching, the output fixed connection setting of quick subassembly and central gyration connects, the scraper bowl is installed to the bottom of quick subassembly.

Further, the fixed interface comprises a first fixed seat, two groups of first side plates are fixedly arranged at the top of the first fixed seat, pin holes are formed in the first side plates, and the shape and the position of the pin holes correspond to the installation hole positions of the cantilever of the excavator.

Further, the gyration subassembly includes the second fixing base, the inside of second fixing base is provided with the oil circuit, the top of second fixing base is provided with positioning groove, the top fixed mounting of second fixing base has the oil pump interface, the oil pump interface communicates with each other with the inside oil circuit of second fixing base, the gyration joint mounting groove has been seted up at the top of second fixing base, gyration joint mounting groove matches the setting with central gyration joint.

Further, the swivel joint outer base comprises a third fixing seat, a fixed through groove is formed in the third fixing seat, the size of the fixed through groove is matched with that of the central swivel joint, and reinforcing ribs are arranged on the outer side of the third fixing seat.

Further, connect the subassembly soon includes the fourth fixing base, the top fixed mounting of fourth fixing base has the ring slide rail, the ring slide rail rotates with the bottom of third fixing base and is connected the setting, the guiding groove has been seted up at the top of fourth fixing base, both sides wall is the plane, left and right sides face is the cambered surface around the guiding groove, the bottom fixed mounting of fourth fixing base has the second curb plate, the left side of second curb plate is provided with first bayonet lock, the right side of second curb plate articulates installs the second bayonet lock, the bottom of fourth fixing base articulates installs hydraulic push rod, hydraulic push rod's flexible end and second bayonet lock hinge are connected the setting, the bottom of fourth fixing base is located the left side fixed mounting of guiding groove has the camera.

Further, the bucket comprises a bucket body, a fifth fixing seat is fixedly arranged at the top of the bucket body, fixing pins are fixedly arranged on the inner walls of the front side and the rear side of the fifth fixing seat, the shapes and the positions of the fixing pins correspond to those of the mounting holes of the cantilever of the excavator, supporting columns are arranged at the bottoms of the inner sides of the fifth fixing seat, guiding terraces are arranged at the tops of the supporting columns, limiting planes are arranged on the outer circular walls of the front side and the rear side of the guiding terraces, and the distance between the limiting planes is equal to the distance between two opposite planes of the guiding grooves.

The beneficial effects of the utility model are as follows:

according to the utility model, the camera is arranged to transmit images at the joint, so that a driver can clearly observe the condition of the quick-change joint, the bucket can be quickly replaced and installed through the first clamping pin, the second clamping pin and the hydraulic push rod, the fixed pin column is conveniently connected with the first clamping pin and the second clamping pin to a proper position through the cooperation of the guide ladder table and the guide groove, the angle of the bucket can be limited to be aligned with the quick-connection assembly through the cooperation of the limiting plane and the guide groove, and the first clamping pin and the second clamping pin can be smoothly clamped between the fixed pin column, so that the bucket is replaced more quickly.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of the exploded view of the present utility model;

FIG. 3 is a schematic diagram of a fixed interface structure of the present utility model;

FIG. 4 is a schematic view of a swing assembly of the present utility model;

FIG. 5 is a schematic view of the outer base structure of the swivel joint of the present utility model;

FIG. 6 is a schematic view of a quick connect assembly according to the present utility model;

FIG. 7 is a schematic view of the bottom structure of the quick connect assembly of the present utility model;

FIG. 8 is a schematic view of a bucket of the present utility model;

reference numerals: 1. a fixed interface; 11. a first fixing seat; 12. a first side plate; 13. a pin hole; 2. a swivel assembly; 21. the second fixing seat; 22. a positioning groove; 23. an oil pump interface; 24. a swivel joint mounting groove; 3. a central swivel joint; 4. a swivel joint outer base; 41. a third fixing seat; 42. fixing the through groove; 43. reinforcing ribs; 5. a quick-connect assembly; 51. a fourth fixing base; 52. a circular ring slide rail; 53. a guide groove; 54. a second side plate; 55. a first bayonet; 56. a second bayonet lock; 57. a hydraulic push rod; 58. a camera; 6. a bucket; 61. a bucket body; 62. a fifth fixing seat; 63. a fixing pin; 64. a support column; 65. guiding the landing; 66. and a limit plane.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model 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 utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In describing embodiments of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of description and simplification of description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

As shown in fig. 1 to 8, a rotary quick-change joint for an excavator comprises a fixed interface 1, wherein the fixed interface 1 is fixedly arranged on a cantilever of the excavator, a rotary component 2 is fixedly arranged at the bottom of the fixed interface 1, the rotary component 2 is connected with an oil pump of the excavator, a rotary joint outer base 4 is fixedly arranged at the bottom of the rotary component 2, a central rotary joint 3 is fixedly arranged at the top of the inner side of the rotary joint outer base 4, the central rotary joint 3 is connected with an oil path in the rotary component 2, a quick-connection component 5 for positioning and quick-connection is rotatably arranged at the bottom of the rotary joint outer base 4, the quick-connection component 5 is fixedly connected with an output end of the central rotary joint 3, and a bucket 6 is arranged at the bottom of the quick-connection component 5; specifically, during the use, firstly with fixed interface 1 fixed mounting on the cantilever of dig the machine, gyration subassembly 2 links to each other with the oil pump of dig the machine, when changing, the driver is through the adjustment to cantilever and central gyration joint 3 for the position adjustment of quick connect assembly 5 and scraper bowl 6 is to suitable position, and blocks scraper bowl 6 through quick connect assembly 5 and accomplish the quick change to dig the machine interface.

As shown in fig. 1, 2 and 3, the fixed interface 1 comprises a first fixed seat 11, two groups of first side plates 12 are fixedly arranged at the top of the first fixed seat 11, pin holes 13 are formed in the first side plates 12, and the shape and the position of the pin holes 13 correspond to the mounting hole positions of the cantilever of the excavator; specifically, the cantilever of the excavator is connected with the pin hole 13, and the standard size is used for ensuring that the cantilever can be directly matched and installed with the excavator.

As shown in fig. 1, 2 and 4, the swivel assembly 2 comprises a second fixed seat 21, an oil way is arranged in the second fixed seat 21, a positioning groove 22 is arranged at the top of the second fixed seat 21, an oil pump interface 23 is fixedly arranged at the top of the second fixed seat 21, the oil pump interface 23 is communicated with the oil way in the second fixed seat 21, a swivel joint mounting groove 24 is formed in the top of the second fixed seat 21, and the swivel joint mounting groove 24 is matched with the central swivel joint 3; specifically, the second fixing seat 21 and the first fixing seat 11 are conveniently fixed through the set positioning groove 22, the second fixing seat is connected with the oil pump through the set oil pump interface 23, power is provided for the central rotary joint 3, and the central rotary joint 3 is conveniently installed through the set rotary joint installation groove 24.

As shown in fig. 1, 2 and 5, the swivel joint outer base 4 comprises a third fixed seat 41, a fixed through groove 42 is formed in the third fixed seat 41, the size of the fixed through groove 42 is matched with that of the central swivel joint 3, and a reinforcing rib 43 is arranged on the outer side of the third fixed seat 41; specifically, through the fixed through groove 42, the third fixing seat 41 and the reinforcing rib 43, a positioning installation base can be provided for the central rotary joint 3, and meanwhile, protection can be provided for the central rotary joint 3 to prevent damage in the construction process.

As shown in fig. 1, fig. 2, fig. 6 and fig. 7, the quick-connection assembly 5 comprises a fourth fixed seat 51, a circular ring sliding rail 52 is fixedly installed at the top of the fourth fixed seat 51, the circular ring sliding rail 52 is rotatably connected with the bottom of the third fixed seat 41, a guide groove 53 is formed at the top of the fourth fixed seat 51, the front side wall and the rear side wall of the guide groove 53 are planes, the left side surface and the right side surface are cambered surfaces, a second side plate 54 is fixedly installed at the bottom of the fourth fixed seat 51, a first bayonet lock 55 is arranged at the left side of the second side plate 54, a second bayonet lock 56 is hinged at the right side of the second side plate 54, a hydraulic push rod 57 is hinged at the bottom of the fourth fixed seat 51, a telescopic end of the hydraulic push rod 57 is hinged with the second bayonet lock 56, and a camera 58 is fixedly installed at the left side of the bottom of the fourth fixed seat 51 located in the guide groove 53; specifically, the camera 58 that is set up can transmit the image of junction for the condition of quick change interface department can be clearly observed to the driver, can cooperate through the guide slot 53 that sets up with scraper bowl 6 and make scraper bowl 6 can be relaxed link up suitable position with quick connect assembly 5, the installation of being convenient for, through first bayonet lock 55, second bayonet lock 56 and hydraulic push rod 57 that set up, make can realize quick replacement and installation to scraper bowl 6.

As shown in fig. 1, 2 and 8, the bucket 6 comprises a bucket body 61, a fifth fixing seat 62 is fixedly arranged at the top of the bucket body 61, fixing pins 63 are fixedly arranged on the inner walls of the front side and the rear side of the fifth fixing seat 62, the shape and the position of the fixing pins 63 correspond to those of the installation hole sites of the cantilever of the excavator, a support column 64 is arranged at the bottom of the inner side of the fifth fixing seat 62, a guide stair table 65 is arranged at the top of the support column 64, limit planes 66 are arranged on the outer circular walls of the front side and the rear side of the guide stair table 65, and the distance between the limit planes 66 is equal to the distance between two opposite planes of the guide groove 53; specifically, the specific structure of the bucket body 61 may be modified, not only limited to a bucket, but also an impact hammer, etc., and the fixing pins 63 and the first and second clamping pins 55 and 56 are conveniently connected to suitable positions through the cooperation of the guide stepped platform 65 and the guide groove 53, and the angle of the bucket 6 and the alignment of the quick-connection assembly 5 can be limited through the cooperation of the limiting plane 66 and the guide groove 53, so that the first and second clamping pins 55 and 56 can be smoothly clamped between the fixing pins 63.

To sum up: when the quick-change type elevator bucket fixing device is used, the fixing interface 1 is fixedly installed on a cantilever of the excavator, when the elevator bucket fixing device is replaced, a driver can transmit images of the joint through the arranged camera 58, the driver can clearly observe the condition of the quick-change joint, the bucket 6 can be matched with the bucket 6 through the arranged guide groove 53, the bucket 6 can be easily connected with the quick-change assembly 5 to a proper position, the installation is convenient, the quick-change and the installation of the bucket 6 can be realized through the arranged first clamping pin 55, the second clamping pin 56 and the hydraulic push rod 57, the specific structure of the bucket body 61 can be changed, the elevator bucket fixing device can be an impact hammer or the like, the fixing pin 63 can be conveniently connected with the first clamping pin 55 and the second clamping pin 56 to a proper position through the matched guide groove 53, the angle of the bucket 6 can be limited to be aligned with the quick-change assembly 5 through the matched limiting plane 66 and the guide groove 53, and the quick-change of the fixing pin 63 can be smoothly carried out between the first clamping pin 55 and the second clamping pin 56.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a rotatory quick change joint for excavator, its characterized in that, including fixed interface (1), fixed interface (1) fixed mounting is on the cantilever of excavator, the bottom fixed mounting of fixed interface (1) has gyration subassembly (2), gyration subassembly (2) link to each other with the oil pump of excavator, the bottom fixed mounting of gyration subassembly (2) has gyration joint outer base (4), the inboard top fixed mounting of gyration joint outer base (4) has central gyration to connect (3), central gyration connects (3) to link to each other with the oil circuit in gyration subassembly (2), the bottom rotation of gyration joint outer base (4) is installed and is used for location and quick connect subassembly (5) of switching fast, quick connect subassembly (5) and the output fixed connection setting of central gyration joint (3), scraper bowl (6) are installed to the bottom of quick connect subassembly (5).

2. The rotary quick-change joint for an excavator according to claim 1, wherein the fixed interface (1) comprises a first fixed seat (11), two groups of first side plates (12) are fixedly arranged at the top of the first fixed seat (11), pin holes (13) are formed in the first side plates (12), and the shape and the position of the pin holes (13) correspond to those of mounting holes of an excavator cantilever.

3. The rotary quick-change joint for an excavator according to claim 1, wherein the swivel assembly (2) comprises a second fixing seat (21), an oil path is arranged in the second fixing seat (21), a positioning groove (22) is formed in the top of the second fixing seat (21), an oil pump interface (23) is fixedly arranged at the top of the second fixing seat (21), the oil pump interface (23) is communicated with the oil path in the second fixing seat (21), a swivel joint mounting groove (24) is formed in the top of the second fixing seat (21), and the swivel joint mounting groove (24) is matched with the central swivel joint (3).

4. The rotary quick-change joint for the excavator according to claim 1, wherein the swivel joint outer base (4) comprises a third fixing seat (41), a fixing through groove (42) is formed in the third fixing seat (41), the size of the fixing through groove (42) is matched with that of the central swivel joint (3), and a reinforcing rib (43) is arranged on the outer side of the third fixing seat (41).

5. The rotary quick-change joint for an excavator according to claim 4, wherein the quick-change assembly (5) comprises a fourth fixing seat (51), a circular ring sliding rail (52) is fixedly installed at the top of the fourth fixing seat (51), the circular ring sliding rail (52) is rotatably connected with the bottom of the third fixing seat (41), a guide groove (53) is formed in the top of the fourth fixing seat (51), the front side wall and the rear side wall of the guide groove (53) are plane surfaces, the left side surface and the right side surface of the guide groove (53) are cambered surfaces, a second side plate (54) is fixedly installed at the bottom of the fourth fixing seat (51), a first bayonet lock (55) is arranged at the left side of the second side plate (54), a second bayonet lock (56) is hinged at the right side of the second side plate (54), a hydraulic push rod (57) is hinged at the bottom of the fourth fixing seat (51), a telescopic end of the hydraulic push rod (57) is hinged with the second bayonet lock (56), and a camera head (58) is fixedly installed at the left side of the guide groove (53).

6. The rotary quick-change joint for an excavator according to claim 5, wherein the bucket (6) comprises a bucket body (61), a fifth fixing seat (62) is fixedly arranged at the top of the bucket body (61), fixing pin columns (63) are fixedly arranged on the inner walls of the front side and the rear side of the fifth fixing seat (62), the shape and the position of the fixing pin columns (63) correspond to those of the mounting hole positions of the cantilever of the excavator, supporting columns (64) are arranged on the inner bottoms of the fifth fixing seat (62), guide terraces (65) are arranged at the tops of the supporting columns (64), limiting planes (66) are arranged on the outer circumferential walls of the front side and the rear side of the guide terraces (65), and the distance between the limiting planes (66) is equal to the distance between two opposite planes of the guide grooves (53).