CN212561693U

CN212561693U - Double dynamical hydraulic shovel revolution mechanic

Info

Publication number: CN212561693U
Application number: CN202020934650.4U
Authority: CN
Inventors: 陈厚闯; 冯蔚; 张佳楠; 公维水; 张艳明; 史玉坤
Original assignee: Jining Maxpower Machinery Co ltd
Current assignee: Jining Maxpower Machinery Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-02-19
Anticipated expiration: 2030-05-28

Abstract

The utility model provides a double dynamical hydraulic shovel revolution mechanic. First draw-in groove has been seted up to the upper end of frame down, the inner wall of first draw-in groove is inlayed and is had the back shaft, the one end that first draw-in groove was kept away from to the back shaft passes the circular port and installs the lower extreme at last frame, the circular port is seted up on circular supporting disk. The utility model provides a double dynamical hydraulic shovel revolution mechanic can clear up adnexed earth on lower frame and the last frame, thereby the stability in order to guarantee the frame has been avoided, it is very little to go up the clearance between frame and the lower frame, when having a large amount of earth in the lower frame, it can rub to go up between frame and the lower frame, thereby lead to the problem of frame damage easily, the stability of device has been improved, the in-process of frame can also be installed, the lower extreme inner wall contact of the lower extreme of back shaft can not direct and first draw-in groove, thereby lead to the problem that the back shaft lower extreme damaged easily, the service life of device is prolonged.

Description

Double dynamical hydraulic shovel revolution mechanic

Technical Field

The utility model relates to a hydraulic shovel technical field especially relates to a double dynamical hydraulic shovel revolution mechanic.

Background

The hydraulic excavator has wide application in building, transportation, water conservancy construction, open-pit mining and modern military engineering, is main mechanical equipment indispensable to construction of various earthwork, and consists of a working device, a rotating device and a traveling device.

In the working process of the traditional double-power hydraulic excavator, in order to ensure the stability of the upper frame, the gap between the upper frame and the lower frame is very small, and when a large amount of soil exists on the lower frame, friction can be generated between the upper frame and the lower frame, so that the upper frame is easily damaged.

Therefore, it is necessary to provide a dual power hydraulic excavator revolving structure to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a double dynamical hydraulic shovel revolution mechanic has solved in order to guarantee the stability of frame, and the clearance between frame and the lower carriage is very little on, and when having a large amount of earth in the lower carriage, can produce the friction between frame and the lower carriage to lead to the problem of frame damage easily.

In order to solve the technical problem, the utility model provides a pair of double dynamical hydraulic shovel revolution mechanic, including lower frame, first draw-in groove has been seted up to the upper end of frame down, the inner wall of first draw-in groove is inlayed and is had the back shaft, the one end that first draw-in groove was kept away from to the back shaft passes the circular port and installs the lower extreme at last frame, the circular port is seted up on circular supporting disk.

Preferably, the bracing piece is installed to the lower extreme of circular supporting disk, the embedding of bracing piece lower extreme is in the inner wall of second draw-in groove and with the laminating of backup pad, the upper end of frame under is seted up to the second draw-in groove, the inner wall at the second draw-in groove is inlayed to the backup pad, pass through spring coupling between the inner wall of backup pad and second draw-in groove.

Preferably, the upper end of the circular support plate is provided with a first slide rail, the inner wall of the first slide rail is embedded with a ball, the upper end of the ball is embedded into the inner wall of the second slide rail, and the second slide rail is arranged at the lower end of the upper frame.

Preferably, the outer wall of the circular supporting disk is provided with a third clamping groove, and a circular ring is embedded in the inner wall of the third clamping groove.

Preferably, the upper side and the lower side of the circular ring are both provided with a layer of hairbrush.

Preferably, the length of the supporting shaft is equal to the sum of the lengths from the lower end of the supporting rod to the upper end of the circular supporting plate.

Compared with the prior art, the utility model provides a double dynamical hydraulic shovel revolution mechanic has following beneficial effect:

the utility model provides a double-power hydraulic excavator rotation structure,

1. through the circular supporting disk, bracing piece, backup pad, spring and the second draw-in groove that set up, can install the in-process of frame, the lower extreme of back shaft can not direct and the lower extreme inner wall contact of first draw-in groove to lead to the problem that the back shaft lower extreme damaged easily, improved the life of device.

2. Through the first slide rail, ball and the second slide rail that set up, can carry out the pivoted in-process at last frame, increase the area of contact of frame lower extreme, can also reduce the frictional force between frame and the circular supporting disk through the rotation of ball simultaneously to reach the problem that produces the noise when reducing the rotation, improved the stability of device.

3. Through the third draw-in groove and the circular circle that set up, can clear up adnexed earth on lower frame and the last frame to avoided in order to guarantee the stability of last frame, the clearance between last frame and the lower frame is very little, when having a large amount of earth on the lower frame, can produce the friction between last frame and the lower frame, thereby lead to the problem of frame damage easily, improved the stability of device.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of a dual-power hydraulic excavator rotation structure provided by the present invention;

FIG. 2 is a schematic top view of the support shaft of FIG. 1;

fig. 3 is a schematic structural view of the circular support plate shown in fig. 1 in a top cross section.

Reference numbers in the figures: 1. lower frame, 2, first draw-in groove, 3, back shaft, 4, last frame, 5, circular supporting disk, 6, circular port, 7, bracing piece, 8, backup pad, 9, spring, 10, second draw-in groove, 11, third draw-in groove, 12, circular circle, 13, first slide rail, 14, ball, 15, second slide rail.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a front cross section; FIG. 2 is a schematic structural view of a support shaft in a top view; fig. 3 is a schematic structural view of a circular support plate in a top view. Double dynamical hydraulic shovel revolution mechanic includes frame 1 down, first draw-in groove 2 has been seted up to the upper end of frame 1 down, the inner wall of first draw-in groove 2 is inlayed and is had back shaft 3, the one end that first draw-in groove 2 was kept away from to back shaft 3 passes circular port 6 and installs the lower extreme at last frame 4, circular port 6 is seted up on circular supporting disk 5.

Preferably, bracing piece 7 is installed to the lower extreme of circular supporting

disk

5, 7 lower extremes of bracing piece imbed at the inner wall of second draw-in groove 10 and with the laminating of backup pad 8, frame 1's upper end under second draw-in groove 10 is seted up, the inner wall at second draw-in groove 10 is inlayed to backup pad 8, connect through spring 9 between the inner wall of backup pad 8 and second draw-in groove 10.

Preferably, the upper end of the circular support plate 5 is provided with a first slide rail 13, the inner wall of the first slide rail 13 is embedded with a ball 14, the upper end of the ball 14 is embedded in the inner wall of a second slide rail 15, and the second slide rail 15 is provided at the lower end of the upper frame 4.

Preferably, the outer wall of the circular support plate 5 is provided with a third clamping groove 11, and a circular ring 12 is embedded in the inner wall of the third clamping groove 11.

Preferably, a layer of brush is arranged on both the upper side and the lower side of the circular ring 12.

Preferably, the length of the supporting shaft 3 is equal to the sum of the lengths of the lower end of the supporting rod 7 and the upper end of the circular supporting plate 5.

The utility model provides a double dynamical hydraulic shovel revolution mechanic's theory of operation as follows:

when the upper frame 4 is installed, firstly, the support rod 7 at the lower end of the circular support plate 5 is embedded into the inner wall of the second clamping groove 10, then the support shaft 3 is embedded into the inner wall of the first clamping groove 2, when the support shaft 3 slides downwards, the lower end of the upper frame 4 is contacted with the upper end of the circular support plate 5, so that the circular support plate 5 is extruded, the circular support plate 5 extrudes the support rod 7, the support rod 7 extrudes the spring 9, the spring 9 is elastically deformed, the support rod 7 drives the circular support plate 5 to slide downwards, a part of downward kinetic energy of the upper frame 4 is converted into elastic potential energy of the spring 9 and kinetic energy of the support rod 7 sliding downwards, the lower end of the support shaft 3 is protected, meanwhile, the ball 14 at the upper end of the circular support plate 5 is embedded into the inner wall of the second slide rail 15, when the upper frame 4 rotates, the upper frame 4 will drive the balls 14 to roll, thereby reducing the friction between the remaining circular support plates 5 of the upper frame 4, and the brush at the upper end of the circular ring 12 will also clean the lower end of the upper frame 4 when rotating.

1. through the circular supporting disk 5, bracing piece 7, backup pad 8, spring 9 and the second draw-in groove 10 that set up, can install the in-process of frame 4, the lower extreme of back shaft 3 can not direct and the contact of the lower extreme inner wall of first draw-in groove 2 to lead to the problem that the 3 lower extremes of back shaft damaged easily, improved the life of device.

2. Through the first slide rail 13, ball 14 and the second slide rail 15 that set up, can carry out pivoted in-process at last frame 4, increase the area of contact of going up frame 4 lower extreme, can also reduce the frictional force between frame 4 and circular supporting disk 5 through the rotation of ball 14 simultaneously to reach the problem that produces the noise when reducing the rotation, improved the stability of device.

3. Through the third draw-in groove 11 and the circular ring 12 that set up, can clear up adnexed earth on frame 1 and the last frame 4 of getting off to avoided in order to guarantee the stability of going up the frame, the clearance between last frame and the lower carriage is very little, when having a large amount of earth on the lower carriage, can produce the friction between last frame and the lower carriage, thereby lead to the problem of going up the frame damage easily, improved the stability of device.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a double dynamical hydraulic shovel revolution mechanic, includes frame (1) down, its characterized in that: first draw-in groove (2) have been seted up to the upper end of lower frame (1), the inner wall of first draw-in groove (2) is inlayed and is had back shaft (3), circular port (6) are passed and are installed the lower extreme at last frame (4) to the one end that first draw-in groove (2) were kept away from in back shaft (3), circular port (6) are seted up on circular supporting disk (5).

2. The dual-power hydraulic excavator rotating structure of claim 1, wherein a support rod (7) is mounted at the lower end of the circular support plate (5), the lower end of the support rod (7) is embedded in the inner wall of a second clamping groove (10) and attached to a support plate (8), the second clamping groove (10) is formed in the upper end of the lower frame (1), the support plate (8) is embedded in the inner wall of the second clamping groove (10), and the support plate (8) is connected with the inner wall of the second clamping groove (10) through a spring (9).

3. The dual-power hydraulic excavator rotating structure of claim 1, wherein the upper end of the circular support plate (5) is provided with a first slide rail (13), the inner wall of the first slide rail (13) is embedded with a ball (14), the upper end of the ball (14) is embedded in the inner wall of a second slide rail (15), and the second slide rail (15) is provided at the lower end of the upper frame (4).

4. The dual-power hydraulic excavator rotating structure of claim 1, wherein a third clamping groove (11) is formed in the outer wall of the circular supporting plate (5), and a circular ring (12) is embedded in the inner wall of the third clamping groove (11).

5. The dual-power hydraulic excavator rotating structure according to claim 4, wherein a layer of brush is arranged on both the upper side and the lower side of the circular ring (12).

6. The dual-power hydraulic excavator revolution structure according to claim 2, wherein the length of the support shaft (3) is equal to the sum of the lengths of the lower end of the support rod (7) and the upper end of the circular support plate (5).