CN218060519U

CN218060519U - Excavator counterweight assembly

Info

Publication number: CN218060519U
Application number: CN202122211054.0U
Authority: CN
Inventors: 张志伟
Original assignee: Jiangsu Zsd New Energy Automobile Co ltd
Current assignee: Jiangsu Zsd New Energy Automobile Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-12-16
Anticipated expiration: 2031-09-14

Abstract

The utility model provides an excavator counter weight assembly, including the balancing weight, be equipped with in the balancing weight and pull the chamber, it is equipped with draw gear to pull the intracavity, draw gear includes the motor, the motor bottom is equipped with the motor support, the motor output end is equipped with the transmission shaft, the transmission shaft is kept away from motor one end and is equipped with antifriction bearing, antifriction bearing fixes on pulling the intracavity wall, be equipped with two wire rope on the transmission shaft, wire rope fixes on the transmission shaft, wire rope keeps away from transmission shaft one end and is equipped with the hinge joint, be equipped with the fixing bolt of looks adaptation on the hinge joint, realized the effect that the excavator balancing weight goes up and down by oneself and install through setting up draw gear, need not with the help of large-scale tools such as fork truck, crane, easy operation and safety.

Description

Excavator counterweight assembly

Technical Field

The utility model relates to a counter weight field especially relates to an excavator counter weight assembly.

Background

An excavator, also known as a digging machine, is an earth moving machine that excavates material above or below a load bearing surface with a bucket and loads the material into a transport vehicle or discharges the material to a stockyard. 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. The excavator counterweight is an important part designed for normal operation of an excavator, a shell of the excavator counterweight is generally formed by welding steel plates in a stamping mode, and substances such as iron sand, steel shots, quartz stone, cement and the like are filled in the shell, so that the excavator counterweight is large in size, heavy in weight and large in rotation inertia. The excavator counterweight needs to be mounted on the excavator platform. Among the prior art, excavator counter weight and excavator platform pass through bolted connection, but because counter weight self weight is too big, need assemble with the help of instruments such as fork truck or crane, very loaded down with trivial details, and dangerous.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides an excavator counterweight assembly.

The utility model discloses a following technical scheme realizes: the utility model provides an excavator counter weight assembly, includes balancing weight and excavator platform, be equipped with in the balancing weight and pull the chamber, it is equipped with draw gear to pull the intracavity, draw gear includes the motor, the motor bottom is equipped with the motor support, the motor output end is equipped with the transmission shaft, the transmission shaft is kept away from motor one end and is equipped with antifriction bearing, antifriction bearing fixes on pulling the intracavity wall, be equipped with two wire rope on the transmission shaft, wire rope fixes on the transmission shaft, wire rope keeps away from transmission shaft one end and is equipped with the hinge joint, be equipped with the fixing bolt of looks adaptation on the hinge joint.

The lifting lugs are arranged on two sides of the upper surface of the balancing weight, sliding grooves are formed in two sides of one surface, in contact with the excavator platform, of the balancing weight, a plurality of fixing holes are formed in one surface, in contact with the excavator platform, of the balancing weight, threaded channels are arranged in the fixing holes, and the balancing weight is penetrated through the threaded channels.

The one side that balancing weight and excavator platform contacted is equipped with a plurality of regulation counter weight chambeies, it is equipped with the double-screw bolt to adjust the counter weight intracavity.

The utility model discloses there is following beneficial effect for prior art: 1. the effect of automatic lifting and installation of the excavator balancing weight is realized by arranging the traction device, large tools such as a forklift and a crane are not needed, and the operation is simple and safe. 2. Set up the lug on the balancing weight, the excavator can tie up the rope on the lug, utilizes the digging arm of self to hoist the balancing weight, need not with the help of all the other instruments, and is comparatively convenient. 3. The counterweight adjusting cavity is arranged, the increase and the decrease of the total amount of the counterweight can be realized through the assembly and the disassembly of a plurality of groups of counterweight plates, the adjustment is convenient, the counterweight adjusting device can be suitable for different excavator accessories, and the counterweight adjusting device has a wider application range.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the assembly structure of the present invention and the excavator platform;

fig. 3 is a schematic structural view of the traction device of the present invention in the traction chamber;

FIG. 4 is a schematic structural view of the excavator platform of the present invention;

in the figure: 1. a counterweight block; 2. a chute; 3. a traction chamber; 31. a motor; 32. a motor support; 33. a drive shaft; 34. a rolling bearing; 35. a wire rope; 36. a hinge joint; 37. fixing the bolt; 4. lifting lugs; 5. a fixing hole; 6. adjusting the counterweight cavity; 61. a stud; 7. an excavator platform; 71. a fixing ring; 72. a convex column; 73. and (6) positioning the holes.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

The present invention will be further explained with reference to the accompanying drawings,

as shown in fig. 1-4, an excavator counterweight assembly comprises a counterweight block 1 and an excavator platform 7, a traction cavity 3 is arranged in the counterweight block 1, a traction device is arranged in the traction cavity 3, the traction device comprises a motor 31, a motor support 32 is arranged at the bottom of the motor 31, a transmission shaft 33 is arranged at the output end of the motor 31, a rolling bearing 34 is arranged at one end, away from the motor 31, of the transmission shaft 33, the rolling bearing 34 is fixed on the inner wall of the traction cavity 3, two steel wire ropes 35 are arranged on the transmission shaft 33, the steel wire ropes 35 are fixed on the transmission shaft 33, a hinge joint 36 is arranged at one end, away from the transmission shaft 33, of each steel wire rope 35, and a fixing bolt 37 matched with each other is arranged on the hinge joint 36. Through setting up draw gear, realized the effect that excavator balancing weight 1 goes up and down by oneself and install, need not with the help of large-scale instruments such as fork truck, crane, easy operation and safety.

Lifting lugs 4 are respectively arranged on two sides of the upper surface of the balancing weight 1, sliding grooves 2 are respectively arranged on two sides of one surface, in contact with the excavator platform 7, of the balancing weight 1, a plurality of fixing holes 5 are formed in one surface, in contact with the excavator platform 7, of the balancing weight 1, threaded channels are arranged in the fixing holes 5, and the threaded channels penetrate through the balancing weight 1. The corresponding excavator platform 7 surface is equipped with locating hole 73, the position of locating hole 73 is unanimous with fixed orifices 5 position, and is equipped with the internal thread in the locating hole 73, sets up lug 4 on the balancing weight 1, and the excavator can be tied up the rope on lug 4, utilizes self digging arm to hoist balancing weight 1, need not with the help of all the other instruments, and is comparatively convenient.

One side that balancing weight 1 and excavator platform 7 contacted is equipped with a plurality of regulation counter weight chambeies 6, be equipped with double-screw bolt 61 in adjusting counter weight chamber 6, the regulation counter weight surface of equipping with it is equipped with the through-hole, can be quick like this install, dismantle the regulation counter weight, and be difficult for dropping, can adjust the quantity of balancing weight 1 in the counter weight chamber 6 through increasing or reducing as required to realize the increase and the reduction of counter weight total amount, and it is convenient to adjust, can be applicable to different excavators and attach the utensil, enlarge application range.

The utility model discloses a theory of operation: when the lifting device is used, a rope is bound on the lifting lug 4 on the balancing weight 1, then the balancing weight 1 is hooked by an excavating arm of an excavator, the balancing weight 1 is lifted to the flat bottom, then the steel wire rope 35 in the traction device is fixed on a fixing ring 71 on an excavator platform 7 through a bolt in a hinged mode, the motor 31 is started, the motor 31 drives the transmission shaft 33 to rotate, the sliding groove 2 of the balancing weight 1 is matched with a convex column 72 on the surface of the excavator platform 7, the balancing weight 1 moves upwards, when the positions of the fixing hole 5 and the positioning hole 73 are kept level, the motor 31 is closed, the bolt is inserted into the threaded passage, the internal thread in the positioning hole 73 is screwed into, and at the moment, the fixed connection between the balancing weight 1 and the excavator platform 7 is completed.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides an excavator counter weight assembly, includes balancing weight and excavator platform, its characterized in that: be equipped with in the balancing weight and pull the chamber, it is equipped with draw gear to pull the intracavity, draw gear includes the motor, the motor bottom is equipped with the motor support, the motor output is equipped with the transmission shaft, motor one end is kept away from to the transmission shaft is equipped with antifriction bearing, antifriction bearing fixes on pulling the intracavity wall, be equipped with two wire rope on the transmission shaft, wire rope fixes on the transmission shaft, wire rope keeps away from transmission shaft one end and is equipped with the hinge joint, be equipped with the fixing bolt of looks adaptation on the hinge joint.

2. The excavator counterweight assembly of claim 1, wherein: the lifting lugs are arranged on two sides of the upper surface of the balancing weight respectively, sliding grooves are arranged on two sides of one surface, in contact with the excavator platform, of the balancing weight respectively, a plurality of fixing holes are formed in one surface, in contact with the excavator platform, of the balancing weight, threaded channels are arranged in the fixing holes, and the balancing weight is penetrated through the threaded channels.

3. The excavator counterweight assembly of claim 1, wherein: the one side that balancing weight and excavator platform contacted is equipped with a plurality of regulation counter weight chambeies, it is equipped with the double-screw bolt to adjust the counter weight intracavity.