CN116752594A

CN116752594A - Quick connector and bucket structure

Info

Publication number: CN116752594A
Application number: CN202310738768.8A
Authority: CN
Inventors: 历娜; 王金涛; 石硕; 王全永; 张菁; 饶兆峰; 王小强
Original assignee: Xuzhou XCMG Excavator Machinery Co Ltd
Current assignee: Xuzhou XCMG Excavator Machinery Co Ltd
Priority date: 2023-06-21
Filing date: 2023-06-21
Publication date: 2023-09-15

Abstract

The application discloses a quick connector and a bucket structure, wherein the quick connector comprises a fixed locking block, a cavity, a movable locking disc and an oil cylinder, the cavity comprises a connecting plate and symmetrically arranged side plates, two ends of the connecting plate are respectively and fixedly connected with the side plates, the rear end of the inner side of the side plates is provided with a track, the movable locking disc is connected in the track, one end of the oil cylinder is connected with the movable locking disc, the other end of the oil cylinder is fixed in the cavity, a through opening is arranged in the middle of the movable locking disc, the rear side surface of the through opening is provided with an inclined slope table, the fixed locking block is provided with a groove matched with the inclined slope table, the hooking and releasing between the quick connector and the fixed locking block can be realized through the extension and retraction of the oil cylinder, a safety pin is not required to be independently inserted, and the quick connector is safe and reliable, and the operation is simple.

Description

Quick connector and bucket structure

Technical Field

The application relates to a quick connector and a bucket structure, and belongs to the technical field of engineering machinery excavators.

Background

Along with the higher and higher requirement to the diversified operation of excavator, quick connector obtains more extensive application, and it is as the connection machines of excavator and operation device (scraper bowl, quartering hammer, hydraulic pressure shear etc.), has realized the quick switch installation of various operation device, has saved the time that changes the accessory, dismantles the round pin axle and causes, the waste of manpower, has improved work efficiency. The current common quick connector is a semiautomatic hydraulic quick connector.

The semi-automatic hydraulic quick connector is provided with a fixed claw and a movable claw, as shown in fig. 1, after the fixed claw is hooked to a connecting pin shaft 2 of an operating device, a hydraulic cylinder is driven, so that the movable claw is hooked to the connecting pin shaft 1 of the operating device, and grabbing and connecting of the operating device are realized.

In order to prevent the oil cylinder from being out of service and causing the falling of the working device, unnecessary casualties or other losses are caused. The operator needs to walk out of the cab after the quick connector hooks the working tool in place, and inserts the safety pin into the quick connector, so that the movable hook claw is prevented from retracting due to the failure of the oil cylinder. The accident is easy to happen because the operator forgets the manual bolt, and meanwhile, the safety pin shaft is quite easy to lose due to longer idle time.

Disclosure of Invention

To solve the defects in the prior art, the application aims to provide a quick connector and a bucket structure, which solve the problems in the prior art

In order to achieve the above object, the present application adopts the following technical scheme:

the quick connector is characterized by comprising a fixed locking block, a cavity, a movable locking disc and an oil cylinder;

the cavity comprises a connecting plate and symmetrically arranged side plates, two ends of the connecting plate are respectively and fixedly connected with the side plates, the rear end of the inner side of the side plate is provided with a track, a movable lock disc is connected in the track, one end of the oil cylinder is connected with the movable lock disc, and the other end of the oil cylinder is fixed in the cavity;

the middle of the movable lock disc is provided with a through port, the rear side surface of the through port is provided with a sloping platform, and the fixed lock block is provided with a groove matched with the sloping platform.

Further, the track comprises two parallel, spaced apart support blocks.

Further, the device also comprises a spring, one end of the spring is connected with the movable lock disc, and the other end of the spring is connected with the cavity.

Further, a fixed hook is further arranged on the inner side of the side plate, and the fixed hook is used for connecting a spring.

Further, the movable lock disk further comprises a through hole and a fixed groove;

the through hole is arranged at the front end of the movable lock disc and is used for connecting with the oil cylinder;

the fixed slot is arranged at the front end of the movable lock disk and is used for connecting the spring.

Further, two shaft holes are formed in the upper end of the outer side of the side plate and are used for connecting the first connecting shaft and the second connecting shaft respectively.

The utility model provides a scraper bowl structure, its characterized in that includes scraper bowl and a quick connector of arbitrary preceding claim, and the scraper bowl includes the otic placode that the symmetry set up, and the otic placode front end is equipped with the recess, and the curb plate outside rear end still is equipped with protruding axle, and protruding axle sets up in the recess, and fixed locking piece fixed connection is on the scraper bowl.

Further, the rear end of the ear plate is provided with a convex hole, a front shaft of the machine tool is arranged in the convex hole, and a fixed claw matched with the front shaft of the machine tool is arranged on the side plate.

Further, the device also comprises a bucket rod, a rocker and a connecting rod, wherein one ends of the bucket rod and the connecting rod are respectively connected with the cavity through connecting shafts, and two ends of the rocker are respectively connected with the bucket rod and the connecting rod.

The application has the beneficial effects that:

1. the movable lock disc and the fixed lock block of the quick connector are provided with mutually meshed stop notches, the hooking and releasing between the quick connector and the fixed lock block can be realized through the extension and retraction of the oil cylinder, a safety pin is not required to be inserted independently, and the quick connector is safe, reliable and simple to operate;

2. the movable lock disc is provided with a spring and is always connected with the cavity, when the movable lock disc is in a stop state with the fixed lock block, the spring is in a tensioning state, so that a pulling force is provided for the movable lock disc, the inclined slope table of the movable lock disc is always clamped into the groove of the fixed lock block, and therefore, when the oil cylinder fails, the movable lock disc can still keep locking with the fixed lock block, and mechanical locking of the quick connector is realized, and the safety is improved.

Drawings

FIG. 1 is a semi-automatic hydraulic quick connector of the present application;

FIG. 2 is a schematic illustration of the connection of the quick coupler and bucket of the present application;

FIG. 3 is a schematic view of the quick connector of the present application;

FIG. 4 is a schematic view of the cavity structure of the present application;

FIG. 5 is a schematic diagram of the structure of the movable lock plate of the application;

FIG. 6 is a schematic diagram of the bucket construction of the present application;

fig. 7 is a schematic view of the quick coupler and bucket release of the present application.

Meaning of reference numerals in the drawings: 1-a bucket rod; 2-a bucket; 3-quick connector; 4-implement front axle; 5-rocker; 6-connecting rods; 21-ear plate; 211-a convex hole; 212-grooves; 22-fixing the locking block; 31-a cavity; 32-a first connecting shaft; 33-a second connecting shaft; 34-a movable lock collar; 35-a spring; 36-an oil cylinder; 311-fixing the claw; 312-fixing the hook; 313-track; 314-a male shaft; 316-side plates; 317-connecting plates; 318-shaft hole; 341-inclined ramp; 342-through opening; 343-a via; 344-securing grooves.

Description of the embodiments

The following detailed description of the technical solutions of the present application will be given by way of the accompanying drawings and specific embodiments, and it should be understood that the specific features of the embodiments and embodiments of the present application are detailed descriptions of the technical solutions of the present application, and not limiting the technical solutions of the present application, and that the embodiments and technical features of the embodiments of the present application may be combined with each other without conflict.

The present embodiment discloses a quick connector, as shown in fig. 3, the quick connector 3 includes a cavity 31, a movable lock disk 34, and an oil cylinder 36.

As shown in fig. 4, the cavity 31 includes symmetrically arranged side plates 316, two side plates 316 are fixedly connected through a connecting plate 317, front ends of inner sides of the two side plates 316 are connected with fixed claws 311, and the fixed claws 311 are used for hooking the front shaft 4 of the machine tool; the rear end of the fixed hook claw 311 is connected with a fixed hook 312; the rear ends of the inner sides of the two side plates 316 are provided with rails 313, the rails 313 comprise two parallel support blocks which are arranged at intervals, and the movable lock disk 34 can slide back and forth along the rails 313; the rear ends of the outer sides of the two side plates 316 are also provided with convex shafts 314; the upper ends of the outer sides of the two side plates 316 are provided with two shaft holes 318 which are respectively used for connecting a first connecting shaft 32 and a second connecting shaft 33, the first connecting shaft 32 is used for realizing the connection of the quick connector and the working device, and the second connecting shaft 33 is used for realizing the connection of the quick connector and the connecting rod of the working device.

As shown in fig. 5, a through hole 342 is formed in the middle of the movable lock plate 34, and as can be seen in fig. 7, the wedge-shaped groove of the fixed lock block 22 passes through the movable lock plate 34 to be meshed with the through hole 342; the rear side of the through hole 342 is provided with a sloping platform 341 which is used for being matched and stopped with the wedge-shaped groove of the fixed locking block 22; the front end of the movable lock disk 34 is provided with a through hole 343 for connecting one end of the oil cylinder 36, and the other end of the oil cylinder 36 is connected in a cavity hole on the side plate 316 through a shaft lever; the front end of the movable lock disk 34 is also symmetrically provided with a fixing groove 344 for fixing with the other end of the spring 35.

As shown in fig. 6, the bucket 2 is symmetrically provided with an ear plate 21, and the front end of the ear plate 21 is provided with a groove 212 which is matched with a convex shaft 314 to prevent the bucket from moving back and forth between the bucket and the quick connector; the rear end of the lug plate 21 is provided with a convex hole 211, the convex holes 211 on two sides are used for fixedly mounting the front shaft 4 of the machine tool, and the fixed hook claw 311 of the quick connector 3 is hooked to the shaft to realize the butt joint with the bucket. The fixed locking piece 22 is fixed on the bucket 2 and is positioned between the lug plates 21 at two sides, and the fixed locking piece 22 is provided with a groove 221 matched with the inclined slope table 341, so that the locking of the fixed locking piece 22 can be realized.

The foregoing is merely a preferred embodiment of the present application, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present application, and such modifications and variations should also be regarded as being within the scope of the application.

Claims

1. The quick connector is characterized by comprising a fixed locking block (22), a cavity (31), a movable locking disc (34) and an oil cylinder (36);

the cavity (31) comprises a connecting plate (317) and symmetrically arranged side plates (316), two ends of the connecting plate (317) are fixedly connected with the side plates (316) respectively, a track (313) is arranged at the rear end of the inner side of the side plates (316), a movable lock disc (34) is connected in the track (313), one end of the oil cylinder (36) is connected with the movable lock disc (34), and the other end of the oil cylinder (36) is fixed in the cavity (31);

the movable lock disc (34) is provided with a through port (342) in the middle, the rear side surface of the through port (342) is provided with a sloping ramp (341), and the fixed lock block (22) is provided with a groove (221) matched with the sloping ramp (341).

2. A quick connector according to claim 1, wherein the track (313) comprises two parallel spaced apart support blocks.

3. A quick connector according to claim 1, further comprising a spring (35), said spring (35) having one end connected to the movable locking disc (34) and the other end connected to the cavity (31).

4. A quick connector according to claim 3, characterized in that the side plate (316) is further provided inside with a fixing hook (312), said fixing hook (312) being adapted to connect a spring (35).

5. A quick connector according to claim 3, wherein the movable lock plate (34) further comprises a through hole (343) and a fixing groove (344);

the through hole (343) is arranged at the front end of the movable lock disc (34) and is used for connecting with the oil cylinder (36);

the fixed groove (344) is arranged at the front end of the movable lock disk (34) and is used for connecting the spring (35).

6. A quick connector according to claim 1, wherein the side plates (316) are provided with two shaft holes (318) at the outer upper ends thereof for connecting the first connecting shaft (32) and the second connecting shaft (33), respectively.

7. A bucket structure, characterized by including bucket (2) and a quick connector according to any one of claims 1-6, bucket (2) including lug plate (21) of symmetry setting, lug plate (21) front end is equipped with recess (212), curb plate (316) outside rear end still is equipped with protruding axle (314), protruding axle (314) set up in recess (212), fixed locking piece (22) fixed connection is on bucket (2).

8. A bucket structure according to claim 7, characterized in that the rear end of the ear plate (21) is provided with a protruding hole (211), the protruding hole (211) is internally provided with an implement front shaft (4), and the side plate (316) is provided with a fixed claw (311) which is matched with the implement front shaft (4).

9. A bucket structure according to claim 7, characterized by further comprising an arm (1), a rocker (5), a link (6);

one ends of the bucket rod (1) and the connecting rod (6) are respectively connected with the cavity (31) through connecting shafts, and two ends of the rocker (5) are respectively connected with the bucket rod (1) and the connecting rod (6).