CN216616027U

CN216616027U - Deflectable quick-change device of hydraulic excavator

Info

Publication number: CN216616027U
Application number: CN202123368234.6U
Authority: CN
Inventors: 徐银元
Original assignee: Taixing Tiandi Tongchuang Mechanical Equipment Co ltd
Current assignee: Taixing Tiandi Tongchuang Mechanical Equipment Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-05-27
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a deflection quick-change device of a hydraulic excavator, which relates to the technical field of excavators and comprises a first connecting frame and a second connecting frame, wherein the bottom outer wall of the first connecting frame and the top outer wall of the second connecting frame are fixedly connected with two mounting plates, a plurality of mounting bolts are arranged on opposite surfaces of the two mounting plates, the outer wall of one side of the second connecting frame is hinged with the inner wall of one side of the first connecting frame, a connecting hole is formed in the inner wall of the other side of the first connecting frame, a limiting tooth groove is formed in the outer wall of one side of the first connecting frame, which is close to the connecting hole, a limiting gear is inserted into the inner wall of the limiting tooth groove, the limiting tooth groove is communicated with the connecting hole, a telescopic mechanism is arranged on the inner wall of the connecting hole, and the telescopic mechanism is fixedly connected with the limiting gear and the second connecting frame. The utility model has the advantage of being convenient for adjusting the angle of the accessory.

Description

Deflectable quick-change device of hydraulic excavator

Technical Field

The utility model relates to the technical field of excavators, in particular to a deflectable quick-change device of a hydraulic excavator.

Background

The materials excavated by the excavator mainly comprise soil, coal, silt, soil subjected to pre-loosening and rocks. In view of the development of construction machines in recent years, the development of excavators is relatively fast, and the excavator has become one of the most important construction machines in construction.

At present, the existing hydraulic excavator quick-change device generally comprises a first connecting frame and a second connecting frame, wherein the first connecting frame is connected with a mechanical arm of an excavator, and the second connecting frame is connected with an accessory, so that the accessory is quickly replaced.

However, similar to the quick-change device for the hydraulic excavator, the first connecting frame and the second connecting frame are generally fixedly connected, and the excavator needs the bucket and the attachments to work in an inclined posture under special working conditions, such as a slope is flattened by the excavator, and at the moment, the quick-change device is inconvenient for adjusting the angle of the attachments.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a deflectable quick-change device of a hydraulic excavator. Its advantage is easy to regulate the angle of accessory.

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

the utility model provides a quick change device that can deflect of hydraulic shovel, includes first link and second link, the bottom outer wall of first link and two mounting panels of the equal fixedly connected with of top outer wall of second link, and the relative one side of two mounting panels all is provided with a plurality of installation bolts, one side outer wall of second link is articulated with one side inner wall of first link, the opposite side inner wall of first link is opened there is the connecting hole, one side outer wall that first link is close to the connecting hole is opened there is spacing tooth's socket, and the inner wall of spacing tooth's socket is pegged graft and is had spacing gear, spacing tooth's socket communicates with each other with the connecting hole, the inner wall of connecting hole is provided with telescopic machanism, fixed connection between telescopic machanism and spacing gear and the second link.

The telescopic mechanism further comprises a mounting sleeve fixedly connected to the outer wall of the second connecting frame on the side close to the connecting hole and a movable rod arranged in the mounting sleeve in a sliding mode, and the movable rod is fixedly connected with the limiting gear.

The utility model is further provided that the top and the bottom of the circumferential inner wall of the mounting sleeve are both provided with sliding grooves, the inner wall of each sliding groove is provided with sliding blocks in a sliding manner, and the two sliding blocks are fixedly connected with the movable rod.

The utility model is further arranged in such a way that the inner walls of the two sides of the sliding chute are fixedly connected with adsorption magnets, and the sliding block is made of a magnetic material.

The utility model is further provided that the middle part of the outer wall of one side of the limit gear, which is far away from the limit tooth groove, is fixedly connected with a pulling handle.

The utility model is further arranged in a way that the outer wall of one side of the first connecting frame, which is close to the limiting tooth groove, is rotatably connected with a transmission gear, when the limiting gear moves out of the limiting tooth groove, the limiting gear is meshed with the transmission gear, and the number of teeth of the transmission gear is smaller than that of the limiting gear.

The utility model is further arranged in a way that the middle part of one side of the transmission gear, which is far away from the first connecting frame, is fixedly connected with a folding type crank.

The utility model is further arranged in that a dial is fixedly connected to the outer wall of one side of the first connecting frame, which is far away from the limiting tooth groove, a through hole is formed in one side of the dial and one side of the first connecting frame, a transmission shaft is rotatably connected to the inner wall of the through hole, the transmission shaft is fixedly connected with the second connecting frame, and a pointer is fixedly connected to one end, which is far away from the second connecting frame, of the transmission shaft.

The utility model has the beneficial effects that:

1. this hydraulic pressure digs quick change device that can deflect, through being provided with first link, the second link, limit gear and spacing tooth's socket, when the angle that needs adjust quick change device, can stimulate limit gear earlier, make it break away from spacing tooth's socket, rotate limit gear afterwards, drive the second link through telescopic machanism and rotate, thereby accomplish the angle modulation to the second link, adjust accomplish the back, press spacing gear according to impress in the spacing tooth's socket can, and is easy to operate, be convenient for carry out angle modulation to quick change device, the design of limit gear and spacing tooth's socket, be convenient for carry out multi-angle to the accessory and adjust, install first link on the arm of excavator afterwards through the installation bolt, install the second link on the accessory.

2. This quick change device that can deflect of machine is dug to hydraulic pressure, through being provided with slider, spout and absorption magnet, through slider and spout, carry on spacingly to the movable rod, prevent that the movable rod from carrying out angle modulation at the installation sleeve internal rotation and can't drive the second link, adsorb the slider of magnetism material through absorption magnet, be convenient for spacing gear, avoid spacing gear to break away from spacing tooth's socket easily, simultaneously, avoid spacing gear to get into in the spacing tooth's socket when rotating.

3. This quick change device that can deflect of hydraulic shovel through being provided with drive gear and limit gear, when rotating limit gear, can pull out spacing tooth's socket earlier with limit gear, rotates drive gear afterwards, drives limit gear through drive gear and rotates, because the number of teeth of limit gear is greater than drive gear's number of teeth to drive limit gear slow rotation, and then increase angle regulation's accuracy nature.

Drawings

Fig. 1 is a schematic perspective view of an entire deflectable quick-change device of a hydraulic excavator according to the present invention;

fig. 2 is an enlarged schematic structural view of a deflectable quick-change device of a hydraulic excavator, shown in fig. 1 and indicated at a;

fig. 3 is a schematic partial three-dimensional structure view of a dial and a pointer of a deflectable quick-change device of a hydraulic excavator according to the present invention;

fig. 4 is a schematic partial front sectional structural view of a rotating shaft and a connecting shaft of a deflectable quick-change device of a hydraulic excavator according to the present invention;

fig. 5 is an enlarged schematic structural view of a deflectable quick-change device of a hydraulic excavator, shown in fig. 4 at B.

In the figure: 1. a first connecting frame; 2. mounting a plate; 3. installing a bolt; 5. a second link frame; 6. a limit gear; 7. a transmission gear; 8. a folding type crank; 9. pulling the handle; 10. a pointer; 11. a dial scale; 12. a limiting tooth socket; 15. a through hole; 16. a drive shaft; 17. a movable rod; 18. a slider; 19. installing a sleeve; 20. adsorbing a magnet; 21. a chute.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-5, a hydraulic shovel quick change device that can deflect, including first link 1 and second link 5, the equal fixedly connected with two mounting panels 2 of bottom outer wall of first link 1 and the top outer wall of second link 5, and the relative one side of two mounting panels 2 all is provided with a plurality of installation bolt 3, one side outer wall of second link 5 is articulated with one side inner wall of first link 1, the opposite side inner wall of first link 1 is opened there is the connecting hole, one side outer wall of first link 1 near the connecting hole is opened there is spacing tooth's socket 12, and the inner wall of spacing tooth's socket 12 is pegged graft and is had spacing gear 6, spacing tooth's socket 12 communicates with each other with the connecting hole, the inner wall of connecting hole is provided with telescopic machanism, telescopic machanism and spacing gear 6 and second link 5 between fixed connection.

Specifically, telescopic machanism includes that fixed connection is close to the installation sleeve 19 and the movable rod 17 that slides and set up in installation sleeve 19 of connecting hole one side outer wall in second link 5, and fixed connection between movable rod 17 and the stop gear 6 through installation sleeve 19 and movable rod 17, the stop gear 6 of being convenient for shifts out and gets into spacing tooth's socket 12.

Specifically, runner 21 has all been opened to the circumference inner wall top and the bottom of installation sleeve 19, and runner 21's inner wall slides and is provided with slider 18, and fixed connection between two sliders 18 and the movable rod 17 through slider 18 and runner 21, carries on spacingly to movable rod 17, prevents that movable rod 17 from carrying out angle modulation at installation sleeve 19 internal rotation and unable drive second link 5.

Specifically, the equal fixedly connected with adsorption magnet 20 of both sides inner wall of spout 21, slider 18 are the magnetism material, adsorb the slider 18 of magnetism material through adsorption magnet 20, are convenient for carry on spacingly to stop gear 6, avoid stop gear 6 to break away from spacing tooth's socket 12 easily, simultaneously, avoid stop gear 6 to get into in the spacing tooth's socket 12 when rotating.

Specifically, limiting gear 6 keeps away from one side outer wall middle part fixedly connected with pulling handle 9 of limiting tooth's socket 12, through pulling handle 9, is convenient for pull limiting gear 6.

Concretely, first link 1 is close to one side outer wall rotation of spacing tooth's socket 12 and is connected with drive gear 7, when spacing tooth's socket 12 was shifted out to limit gear 6, limit gear 6 meshes with drive gear 7 mutually, drive gear 7's the number of teeth is less than limit gear 6's the number of teeth, when rotating limit gear 6, can pull out spacing tooth's socket 12 with limit gear 6 earlier, rotate drive gear 7 afterwards, drive limit gear 6 through drive gear 7 and rotate, because limit gear 6's the number of teeth is greater than drive gear 7's the number of teeth, thereby drive limit gear 6 slow rotation, and then increase angle regulation's accuracy nature.

Specifically, the middle part of one side of the transmission gear 7, which is far away from the first connecting frame 1, is fixedly connected with a folding type crank 8, and the transmission gear 7 is convenient to rotate through the folding type crank 8.

Specifically, one side outer wall fixedly connected with calibrated scale 11 that spacing tooth's socket 12 was kept away from to first link 1, and one side of calibrated scale 11 and one side of first link 1 are opened has same through-hole 15, and the inner wall of through-hole 15 rotates and is connected with transmission shaft 16, and fixed connection between transmission shaft 16 and the second link 5, one end fixedly connected with pointer 10 that second link 5 was kept away from to transmission shaft 16, through pointer 10 and calibrated scale 11, is convenient for observe the angle that second link 5 adjusted.

The working principle is as follows: when the angle of quick change device is adjusted to needs, can stimulate limit gear 6 earlier, make it break away from spacing tooth's socket 12, rotate limit gear 6 afterwards, drive second link 5 through telescopic machanism and rotate, thereby accomplish the angle modulation to second link 5, adjust accomplish the back, press into limit gear 6 in spacing tooth's socket 12 can, and is simple in operation, be convenient for carry out angle modulation to quick change device, limit gear 6 and spacing tooth's socket 12's design, be convenient for carry out multi-angle modulation to the accessory, install first link 1 on the arm of excavator through installation bolt 3 afterwards, install second link 5 on the accessory.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A deflectable quick-change device of a hydraulic excavator comprises a first connecting frame (1) and a second connecting frame (5), it is characterized in that the outer wall of the bottom of the first connecting frame (1) and the outer wall of the top of the second connecting frame (5) are both fixedly connected with two mounting plates (2), and a plurality of mounting bolts (3) are arranged on the opposite surfaces of the two mounting plates (2), the outer wall of one side of the second connecting frame (5) is hinged with the inner wall of one side of the first connecting frame (1), the inner wall of the other side of the first connecting frame (1) is provided with a connecting hole, the outer wall of one side of the first connecting frame (1) close to the connecting hole is provided with a limit tooth socket (12), and the inner wall of the limit tooth groove (12) is inserted with a limit gear (6), the limit tooth groove (12) is communicated with the connecting hole, the inner wall of the connecting hole is provided with a telescopic mechanism, and the telescopic mechanism is fixedly connected with the limiting gear (6) and the second connecting frame (5).

2. The hydraulic excavator deflectable quick-change device according to claim 1, wherein the telescopic mechanism comprises a mounting sleeve (19) fixedly connected to the outer wall of the second connecting frame (5) on the side close to the connecting hole, and a movable rod (17) slidably arranged in the mounting sleeve (19), and the movable rod (17) is fixedly connected with the limit gear (6).

3. The hydraulic excavator deflectable quick-change device according to claim 2, wherein sliding grooves (21) are formed in the top and the bottom of the circumferential inner wall of the mounting sleeve (19), sliding blocks (18) are slidably arranged on the inner wall of each sliding groove (21), and the two sliding blocks (18) are fixedly connected with the movable rod (17).

4. The hydraulic excavator deflectable quick-change device according to claim 3, wherein the inner walls of the two sides of the sliding chute (21) are fixedly connected with attracting magnets (20), and the sliding block (18) is made of magnetic material.

5. The hydraulic excavator deflectable quick-change device according to claim 4, wherein a pulling handle (9) is fixedly connected to the middle of the outer wall of one side of the limiting gear (6) far away from the limiting tooth groove (12).

6. The hydraulic excavator deflectable quick-change device according to claim 1, wherein a transmission gear (7) is rotatably connected to the outer wall of one side of the first connecting frame (1) close to the limiting tooth socket (12), when the limiting gear (6) moves out of the limiting tooth socket (12), the limiting gear (6) is meshed with the transmission gear (7), and the number of teeth of the transmission gear (7) is less than that of the limiting gear (6).

7. The quick-change deflectable device for a hydraulic excavator according to claim 6, wherein a folding type crank (8) is fixedly connected to the middle of one side of the transmission gear (7) far away from the first connecting frame (1).

8. The hydraulic excavator deflectable quick-change device according to claim 1, characterized in that a dial (11) is fixedly connected to the outer wall of the side, away from the limiting tooth groove (12), of the first connecting frame (1), a through hole (15) is formed in one side of the dial (11) and one side of the first connecting frame (1), a transmission shaft (16) is rotatably connected to the inner wall of the through hole (15), the transmission shaft (16) is fixedly connected with the second connecting frame (5), and a pointer (10) is fixedly connected to one end, away from the second connecting frame (5), of the transmission shaft (16).