CN112894344A

CN112894344A - Quick installation auxiliary device of excavator rotation assembly

Info

Publication number: CN112894344A
Application number: CN202110248381.5A
Authority: CN
Inventors: 傅明校; 谢琰; 王庆荣; 罗庆尖; 项其锋
Original assignee: Lonking Fujian Excavator Co ltd
Current assignee: Lonking Fujian Excavator Co ltd
Priority date: 2021-03-08
Filing date: 2021-03-08
Publication date: 2021-06-04

Abstract

The invention discloses an auxiliary device for quick installation of an excavator rotating assembly, which comprises two support frames, wherein bottom plates are welded at the bottoms of the two support frames, clamping grooves are formed in the tops of the two support frames, a bearing beam is clamped on the inner wall of each clamping groove, two ends of the bottom of the bearing beam are connected with electric telescopic rods, a first sliding groove is formed in the outer wall of the top of the bearing beam, a first sliding block is embedded in the inner wall of the first sliding groove, a threaded rod is screwed in the middle of the first sliding block, and the threaded rod is connected with a first servo motor. The clamping part can move up and down by utilizing the mutual matching of the bearing beam and the electric telescopic rod, so that the adjustment is convenient, the first servo motor is utilized to drive the part to move in a small range, and the second servo motor is utilized to drive the part to rotate, so that the mutual matching can be used for carrying out quick fine adjustment in the installation process, and the installation speed is accelerated.

Description

Quick installation auxiliary device of excavator rotation assembly

Technical Field

The invention relates to the technical field of excavator installation, in particular to an auxiliary device for quickly installing an excavator rotating assembly.

Background

In general, a counterweight is disposed in a construction machine such as an excavator in order to balance the swing of the machine during work. The basic structure of a hydraulic excavator is provided with a lower traveling mechanism, a revolving platform, a working device, a counterweight, an engine, a cab, and the like. The rotary platform can rotate in any direction on the lower walking mechanism, the rotary platform is provided with a working device, a cab, an engine, a counterweight and the like, the rotary assembly can be used to realize rotation in the rotating process of the excavator, and the existing excavator rotary assembly cannot be easily fine-adjusted in the installation process due to the fact that the rotary assembly is large in the installation process, so that more time can be wasted in the assembly process.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides an auxiliary device for quickly mounting a rotating assembly of an excavator.

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

an auxiliary device for rapidly installing a rotary assembly of an excavator comprises two support frames, wherein bottom plates are welded at the bottoms of the two support frames, clamping grooves are formed in the tops of the two support frames, a bearing beam is clamped on the inner wall of each clamping groove, two ends of the bottom of the bearing beam are connected with electric telescopic rods, a first sliding groove is formed in the outer wall of the top of the bearing beam, a first sliding block is embedded in the inner wall of the first sliding groove, a threaded rod is screwed in the middle of the first sliding block, the threaded rod is connected with a first servo motor, a fixed plate is welded at the bottom of the first sliding block, the bottom of the fixed plate is connected with a connecting plate through a connecting rod, a second servo motor is arranged at the central position of the top of the connecting plate, an output shaft of the second servo motor is connected with the support frames, limiting plates are connected at the bottoms, and the outer wall spiro union of two-way threaded rod middle part has the second sliding block.

Preferably, the size of the inner wall of the first sliding groove is matched with the size of the first sliding block, and the first sliding groove and the first sliding block form sliding fit.

Preferably, the limiting plate is provided with a limiting groove below the bidirectional threaded rod, the size of the inner wall of the limiting groove is matched with the size of the second sliding block, and the limiting groove and the second sliding block form sliding fit.

Preferably, electric telescopic handle, first servo motor, second servo motor and third servo motor all are connected with the switch through the wire, and the switch connection has external power source.

Preferably, two the grip blocks have all been welded to second sliding block bottom both ends outer wall, and the grip block outer wall bonds and has the slipmat.

Preferably, the two ends of the bidirectional threaded rod are opposite in thread direction, and the bidirectional threaded rod and the second sliding block form thread fit.

The invention has the beneficial effects that:

1. according to the quick installation auxiliary device for the excavator rotating assembly, the clamped part can move up and down by utilizing the mutual matching of the bearing beam and the electric telescopic rod, so that the adjustment is convenient, the part is driven by the first servo motor to move in a small range, and the part is driven by the second servo motor to rotate, so that the mutual matching can be used for quick fine adjustment in the installation process, and the installation speed is accelerated;

2. this excavator rotating assembly of design installs auxiliary device fast through being equipped with the universal wheel bottom the device to can effectively improve the mobility of device, utilize third servo motor to drive the sliding block at the in-process of part centre gripping in addition and remove, can carry out the centre gripping fast to the part and fix, reduce the fixed waste time of centre gripping in the past.

Drawings

FIG. 1 is a cross-sectional view of the overall structure of a quick installation auxiliary device for a rotating assembly of an excavator according to the present invention;

FIG. 2 is a schematic diagram of the overall structure of a quick installation auxiliary device for a rotating assembly of an excavator according to the present invention;

fig. 3 is an enlarged schematic view of a part of the structure of the quick installation auxiliary device of the excavator rotating assembly provided by the invention.

In the figure: 1 support frame, 2 bottom plates, 3 draw-in grooves, 4 spandrel girders, 5 electric telescopic rod, 6 first sliding tray, 7 first sliding block, 8 threaded rod, 9 first servo motor, 10 fixed plate, 11 connecting plate, 12 second servo motor, 13 support frames, 14 limiting plate, 15 third servo motor, 16 two-way threaded rod, 17 second sliding block, 18 limiting groove.

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.

Referring to fig. 1-3, an auxiliary device for fast mounting a rotating assembly of an excavator comprises two support frames 1, wherein a bottom plate 2 is welded at the bottom of each support frame 1, a clamping groove 3 is formed at the top of each support frame 1, a bearing beam 4 is clamped on the inner wall of the clamping groove 3, two ends of the bottom of the bearing beam 4 are connected with an electric telescopic rod 5, a first sliding groove 6 is formed in the outer wall of the top of the bearing beam 4, a first sliding block 7 is embedded in the inner wall of the first sliding groove 6, the size of the inner wall of the first sliding groove 6 is matched with the size of the first sliding block 7, the first sliding groove 6 and the first sliding block 7 form sliding fit, a threaded rod 8 is screwed in the middle of the first sliding block 7, the threaded rod 8 is connected with a first servo motor 9, a fixing plate 10 is welded at the bottom of the first sliding block 7, a connecting plate 11 is connected at the bottom, the clamped parts can be moved up and down to facilitate adjustment, the first servo motor 9 is used for driving the parts to move in a small range, the second servo motor 12 is used for driving the parts to rotate, and therefore the parts are matched with each other to be quickly finely adjusted in the installation process, and the installation speed is increased;

a second servo motor 12 is arranged at the center of the top of the connecting plate 11, an output shaft of the second servo motor 12 is connected with a support frame 13, the bottom of the support frame 13 is connected with a limit plate 14, a third servo motor 15 is arranged at the top of the limit plate 14, the electric telescopic rod 5, the first servo motor 9, the second servo motor 12 and the third servo motor 15 are all connected with a switch through wires, the switch is connected with an external power supply, an output shaft of the third servo motor 15 is connected with a bidirectional threaded rod 16, a second sliding block 17 is screwed on the outer wall of the middle part of the bidirectional threaded rod 16, clamping blocks are welded on the outer walls of the two ends of the bottom of the two second sliding blocks 17, anti-skid pads are bonded on the outer walls of the clamping blocks, the directions of the two ends of the bidirectional threaded rod 16 are opposite, the bidirectional threaded rod 16 and the, and the size of the inner wall of the limit groove 18 is matched with the size of the second sliding block 17 in a sliding manner, the limit groove 18 is in sliding fit with the second sliding block 17, and the universal wheels are arranged at the bottom of the device, so that the mobility of the device can be effectively improved, the third servo motor 15 is utilized to drive the sliding blocks to move in the process of clamping the part, the part can be quickly clamped and fixed, and the time wasted in the past clamping and fixing process is reduced.

The working principle is as follows: when the auxiliary device is installed quickly by using the excavator rotating assembly, the device is firstly moved to a working chamber and then connected with an external power supply, then the electric telescopic rod 5 is contracted, the third servo motor 15 is started to drive the second sliding block 17 to expand, a part is clamped and fixed, the electric telescopic rod 5 is extended after clamping is finished, then the moving device moves the moving device to the excavator body, the first servo motor 9 is started to drive the fixing plate 10 to move slowly, the part is slowly lowered when the moving device moves to the upper part, the rotating part of the second servo motor 12 is started, and when the parts are completely matched, the second sliding block 17 is loosened to complete installation.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

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 the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. An excavator rotating assembly quick installation auxiliary device comprises two support frames (1) and is characterized in that a bottom plate (2) is welded at the bottoms of the two support frames (1), a clamping groove (3) is formed in the tops of the two support frames (1), a bearing beam (4) is connected to the inner wall of the clamping groove (3), electric telescopic rods (5) are connected to the two ends of the bottom of the bearing beam (4), a first sliding groove (6) is formed in the outer wall of the top of the bearing beam (4), a first sliding block (7) is embedded in the inner wall of the first sliding groove (6), a threaded rod (8) is screwed in the middle of the first sliding block (7), a first servo motor (9) is connected to the threaded rod (8), a fixing plate (10) is welded at the bottom of the first sliding block (7), a connecting plate (11) is connected to the bottom of the fixing plate (10) through a connecting rod, a second servo motor (12) is arranged at the, and second servo motor (12) output shaft has support frame (13), support frame (13) bottom is connected with limiting plate (14), and limiting plate (14) top installs third servo motor (15), third servo motor (15) output shaft has two-way threaded rod (16), and two-way threaded rod (16) middle part outer wall spiro union has second sliding block (17).

2. The quick mounting auxiliary device of the excavator rotating assembly according to claim 1, wherein the size of the inner wall of the first sliding groove (6) is matched with the size of the first sliding block (7), and the first sliding groove (6) is in sliding fit with the first sliding block (7).

3. The quick mounting auxiliary device for the excavator rotating assembly according to claim 1, wherein the limiting plate (14) is provided with a limiting groove (18) below the bidirectional threaded rod (16), the size of the inner wall of the limiting groove (18) is matched with that of the second sliding block (17), and the limiting groove (18) and the second sliding block (17) form a sliding fit.

4. The quick mounting auxiliary device for the excavator rotating assembly according to claim 1, wherein the electric telescopic rod (5), the first servo motor (9), the second servo motor (12) and the third servo motor (15) are all connected with a switch through wires, and the switch is connected with an external power supply.

5. The quick mounting auxiliary device for the excavator rotating assembly according to claim 1, wherein clamping blocks are welded on the outer walls of the two ends of the bottom of each second sliding block (17), and anti-skid pads are bonded on the outer walls of the clamping blocks.

6. The quick mounting auxiliary device of the excavator rotating assembly according to claim 1, wherein the two-way threaded rod (16) has opposite thread directions at both ends, and the two-way threaded rod (16) is in threaded engagement with the second sliding block (17).