CN215483199U

CN215483199U - Excavator safety connector

Info

Publication number: CN215483199U
Application number: CN202121882022.7U
Authority: CN
Inventors: 何祥栋; 郑健桂
Original assignee: Longyan Golden Attachment Manufacturing Co ltd
Current assignee: Longyan Golden Attachment Manufacturing Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-01-11
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a excavator safety connector which comprises a base, wherein an annular clamping piece is fixedly connected to the right end of the base in the middle, a rotating rod is fixedly connected into a through hole at the left end of the annular clamping piece, a rotating piece is rotatably connected to the middle of the rotating rod, a fixing piece is fixedly connected to the rear end of the rotating piece, a hydraulic cylinder is fixedly connected to the rear end of the fixing piece, a driving end at the rear side of the hydraulic cylinder is rotatably connected to the inside of a connecting piece, and an arc-shaped clamping plate is fixedly connected to the rear end of the connecting piece. According to the utility model, the annular clamping piece is rotated and the arc-shaped clamping piece stretches out and draws back through the hydraulic cylinder respectively so as to be connected with the swing bucket, and the annular clamping piece can limit the left and right movement of the connecting object on the swing bucket, so that the connecting object on the swing bucket can be prevented from sliding off the arc-shaped clamping piece when the arc-shaped clamping piece stretches out and draws back, the connection stability is improved, the connection is convenient and fast, and the swing bucket is worth of being widely popularized.

Description

Excavator safety connector

Technical Field

The utility model relates to the technical field of excavator corollary equipment, in particular to an excavator safety connector.

Background

An excavator, also known as a digger, is an earthwork machine which excavates materials higher than or lower than a bearing surface by a bucket and loads the materials into a transport vehicle or unloads the materials to a stockyard, and the excavator consists of a power device, a working device, a swing mechanism, a control mechanism, a transmission mechanism, a traveling mechanism and other structures, is mainly used for excavating materials such as soil, coal, silt and the like, has the most important three parameters of operation weight, engine power and bucket capacity, and comprises the working device, an upper rotary table and the traveling mechanism from the appearance, and can be divided into the following parts according to the structure and the application: caterpillar, tyre, walking, full hydraulic, semi-hydraulic, full rotation, non-full rotation, universal, special, hinged, telescopic, etc.

Chinese patent document CN204266269U discloses a double-safety quick automatic connector for excavators; the technical key points of the device comprise a main hook body, wherein a front positioning notch and a rear positioning notch which are matched with each other are arranged at the edge of the main hook body; a hydraulic oil cylinder is hinged on the main hook body, and a pipeline of the hydraulic oil cylinder is connected with a hydraulic station; the free end of a piston rod of the hydraulic oil cylinder is hinged with the rear hook; a connecting telescopic rod is hinged between the front hook and the rear hook; the free end of a piston rod of the hydraulic oil cylinder drives the front hook and the rear hook to be locked in sequence, and when the front hook is in a locking state, the rear hook is still in an unlocking state. Although the device provides the double-safety quick automatic connector for the excavator, which has the advantages of reasonable structure, convenient use and good effect; the locking device is used for replacing the operation tool of the excavator, but the locking effect is lower, the stability and firmness of the connecting part of the connector cannot be guaranteed, the safety performance is low, certain dangerousness is realized, and therefore the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a excavator safety connector.

In order to achieve the purpose, the utility model adopts the following technical scheme: the excavator safety connector comprises a base, wherein an annular clamping piece is fixedly connected to the right end of the base in the middle, a rotating rod is fixedly connected in a through hole at the left end of the annular clamping piece, a rotating piece is rotatably connected to the middle of the rotating rod, a fixing piece is fixedly connected to the rear end of the rotating piece, a hydraulic cylinder is fixedly connected to the rear end of the fixing piece, a driving end at the rear side of the hydraulic cylinder is rotatably connected to the inside of a connecting piece, an arc-shaped clamping plate is fixedly connected to the rear end of the connecting piece, the left end and the right end of the arc-shaped clamping plate are slidably connected to a limiting groove, limiting plates are fixedly connected to the inner walls of the middle parts of the left side and the right side of the base, a first connecting rod is arranged in the middle part of the limiting plate at the left side, a second connecting rod is arranged in the middle part of the limiting plate at the right side of the base, and springs are arranged on sections, which the outer walls of the first connecting rod and the second connecting rod are respectively positioned inside the limiting plates, the top end of the base is fixedly connected with a top cover.

As a further description of the above technical solution:

the middle part of the bottom of the base is provided with an opening.

As a further description of the above technical solution:

the limiting grooves are respectively arranged in the base.

As a further description of the above technical solution:

one end of the spring is fixedly connected to one side of the limiting plate.

As a further description of the above technical solution:

limiting plates are penetrated through the front end of the first connecting rod and the front end and the rear end of the second connecting rod.

As a further description of the above technical solution:

the top end of the inner walls of the left side and the right side of the base is fixedly connected with a partition plate.

As a further description of the above technical solution:

and one side of the top cover close to the top cover is fixedly connected with two cross rods.

As a further description of the above technical solution:

the rear end fixedly connected with latch fitting of base left side top cap.

The utility model has the following beneficial effects:

1. according to the utility model, the locking piece and the cross rod in the top cover are connected with the arm of the excavator, the annular clamping piece is rotated and the arc-shaped clamping piece is stretched through the stretching of the hydraulic cylinder, so that the arc-shaped clamping piece and the annular clamping piece are positioned in the base, after the arc-shaped clamping piece and the annular clamping piece are respectively corresponding to the connecting objects on the corresponding swinging buckets, the arc-shaped clamping piece is stretched through the hydraulic cylinder and rotated with the annular clamping piece again, so that the annular clamping piece rotates around the connecting objects on the swinging buckets, and the stretching of the arc-shaped clamping piece can enable the connecting objects on the swinging buckets to ascend, and the fixing is realized by matching with the clamping grooves on the base, so that the connection is rapid and convenient, and the working efficiency is improved.

2. According to the utility model, the annular clamping piece can limit the left and right movement of the connecting object on the swinging bucket, so that the connecting object on the swinging bucket can be prevented from sliding off the arc-shaped clamping piece when the arc-shaped clamping piece stretches, the stability and firmness of the connecting part are improved, the safety performance is high, and the swinging bucket is worth of being widely popularized.

Drawings

Fig. 1 is a perspective view of the right side of the excavator safety connector according to the present invention;

fig. 2 is a perspective view of the left side of the excavator safety connector according to the present invention;

figure 3 is a longitudinal cross-sectional view of the excavator safety connector according to the present invention;

figure 4 is a transverse cross-sectional view of the excavator safety connector of the present invention;

fig. 5 is a structural view of the inside of the excavator safety connector according to the present invention.

Illustration of the drawings:

1. a base; 2. a lock; 3. a top cover; 4. a cross bar; 5. an annular clip; 6. a limiting groove; 7. an arc-shaped clamping plate; 8. a limiting plate; 9. a first connecting rod; 10. a rotating member; 11. a rotating rod; 12. a fixing member; 13. a hydraulic cylinder; 14. an opening; 15. a connecting member; 16. a partition plate; 17. a second connecting rod; 18. a spring.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, one embodiment of the present invention is provided: a safety connector of a digging machine comprises a base 1, wherein an annular clamping piece 5 is fixedly connected to the right end of the base 1 in the middle, a rotating rod 11 is fixedly connected in a through hole at the left end of the annular clamping piece 5 to facilitate the rotation of the annular clamping piece 5, a rotating piece 10 is rotatably connected to the middle of the rotating rod 11, a fixing piece 12 is fixedly connected to the rear end of the rotating piece 10, a hydraulic cylinder 13 is fixedly connected to the rear end of the fixing piece 12, a driving end at the rear side of the hydraulic cylinder 13 is rotatably connected to the inside of a connecting piece 15, and an arc clamping plate 7 is fixedly connected to the rear end of the connecting piece 15, in sum, the annular clamping piece 5 and the arc clamping piece 7 are respectively rotated through the expansion and contraction of the hydraulic cylinder 13, so that the arc clamping piece 7 and the annular clamping piece 5 are positioned in the base, and after the arc clamping piece 7 and the annular clamping piece 5 are respectively corresponding to connecting objects on a corresponding swing bucket, the arc clamping piece 7 is again made to be expanded and contracted to rotate with the annular clamping piece 5 through the hydraulic cylinder 13, thereby it is rotatory to make annular fastener 5 around the connection article on the swing fill, and the flexible connection article that can make the swing fill of arc fastener 7 rises, thereby it is fixed to coordinate the draw-in groove on the base 1 realization, both ends sliding connection is in spacing groove 6 about arc fastener 7, equal fixedly connected with limiting plate 8 on the inner wall at base 1 left and right sides middle part, the middle part of left side limiting plate 8 is provided with head rod 9, the middle part of right side limiting plate 8 is provided with second connecting rod 17, the outer wall of head rod 9 and the outer wall of second connecting rod 17 are located one section of limiting plate 8 inside respectively and all are provided with spring 18, the equal fixedly connected with top cap 3 in top of base 1.

The middle part of base 1's bottom is provided with opening 14, avoid pneumatic cylinder 13 and base 1 to bump, spacing groove 6 sets up inside base 1 respectively, spring 18's one end difference fixed connection is in the inside one side of limiting plate 8, limiting plate 8 all runs through at both ends around the front end of head rod 9 and second connecting rod 17, the top fixedly connected with baffle 16 of the base 1 left and right sides inner wall, two horizontal poles 4 of the equal fixedly connected with in one side that top cap 3 is close, the rear end fixedly connected with latch fitting 2 of base 1 left side top cap 3, be connected with the horn of digging machine through inside horizontal pole 4 of latch fitting 2 and top cap 3.

The working principle is as follows: firstly, the locking piece 2 is connected with a cross rod 4 in the top cover 3 and a machine arm of the excavator, the annular clamping piece 5 is rotated and the arc-shaped clamping piece 7 is stretched through the stretching of the hydraulic cylinder 13, the arc-shaped clamping piece 7 and the annular clamping piece 5 are further positioned in the base, after the arc-shaped clamping piece 7 and the annular clamping piece 5 are respectively corresponding to connecting objects on corresponding swinging buckets, the arc-shaped clamping piece 7 is stretched and rotated with the annular clamping piece 5 through the hydraulic cylinder 13 again, so that the annular clamping piece 5 rotates around the connecting objects on the swinging buckets, and the connecting objects on the swinging buckets can be lifted through the stretching of the arc-shaped clamping piece 7, and are matched with clamping grooves on the base 1 to realize fixation, because the annular clamping piece 5 can limit the left and right movement of the connecting objects on the swinging buckets, thereby preventing the connecting objects on the swinging buckets from stretching in the arc-shaped clamping piece 7, the arc-shaped clamping piece 7 slides down, so that the connection stability is improved, and the connection is quick and convenient.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. Dig quick-witted safety connector, including base (1), its characterized in that: the device is characterized in that an annular clamping piece (5) is fixedly connected to the middle of the right end of the base (1), a rotating rod (11) is fixedly connected into a through hole at the left end of the annular clamping piece (5), a rotating piece (10) is rotatably connected to the middle of the rotating rod (11), a fixing piece (12) is fixedly connected to the rear end of the rotating piece (10), a hydraulic cylinder (13) is fixedly connected to the rear end of the fixing piece (12), the driving end at the rear side of the hydraulic cylinder (13) is rotatably connected into a connecting piece (15), an arc clamping plate (7) is fixedly connected to the rear end of the connecting piece (15), the left end and the right end of the arc clamping plate (7) are slidably connected into a limiting groove (6), limiting plates (8) are fixedly connected to the inner walls of the middle parts of the left side and the right side of the base (1), a first connecting rod (9) is arranged in the middle of the limiting plate (8), a second connecting rod (17) is arranged in the middle of the limiting plate (8), the outer wall of the first connecting rod (9) and the outer wall of the second connecting rod (17) are respectively located at one section inside the limiting plate (8) and are provided with springs (18), and the top end of the base (1) is fixedly connected with the top cover (3).

2. The excavator safety connector of claim 1 wherein: an opening (14) is formed in the middle of the bottom end of the base (1).

3. The excavator safety connector of claim 1 wherein: the limiting grooves (6) are respectively arranged inside the base (1).

4. The excavator safety connector of claim 1 wherein: one end of the spring (18) is fixedly connected to one side of the interior of the limiting plate (8) respectively.

5. The excavator safety connector of claim 1 wherein: limiting plates (8) are penetrated through the front end of the first connecting rod (9) and the front end and the rear end of the second connecting rod (17).

6. The excavator safety connector of claim 1 wherein: the top ends of the inner walls of the left side and the right side of the base (1) are fixedly connected with a partition plate (16).

7. The excavator safety connector of claim 1 wherein: and one side of the top cover (3) close to the top cover is fixedly connected with two cross rods (4).

8. The excavator safety connector of claim 1 wherein: the rear end fixedly connected with latch fitting (2) of base (1) left side top cap (3).