CN211472620U

CN211472620U - Digging machine

Info

Publication number: CN211472620U
Application number: CN201922483351.3U
Authority: CN
Inventors: 周韩; 高国欢; 钟佩文
Original assignee: Sany Heavy Machinery Ltd
Current assignee: Sany Heavy Machinery Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-11
Anticipated expiration: 2029-12-31

Abstract

The utility model provides an excavator belongs to excavator technical field, including excavator main part, general swing arm, hydro-cylinder, telescopic component and auxiliary device, the excavator main part with the connection can be dismantled to general swing arm, the both ends of hydro-cylinder are connected respectively the excavator main part with general swing arm is so that general swing arm motion, auxiliary device with general swing arm is through first round pin hub connection, telescopic component establishes on the general swing arm, telescopic component with first round pin hub connection, through telescopic component's flexible right first round pin axle dismouting. The first pin shaft extends out and retracts by adopting the extension of the extension component so as to assemble and disassemble the accessory device, so that the time is saved, the reliability and the safety are realized, the assembly and disassembly efficiency is high, and the aim of safely and efficiently replacing the accessory device is fulfilled; and the integral replacement and integral transportation of the auxiliary device can be realized.

Description

Digging machine

Technical Field

The utility model relates to an excavator technical field particularly, relates to an excavator.

Background

An excavator is a construction device commonly used for engineering machinery, and is an earthwork machine which excavates materials higher or lower than a bearing surface by using a bucket and loads the materials into a transport vehicle or unloads the materials to a stockyard.

The existing excavator can adapt to different working conditions through replacing the auxiliary devices with different front ends. However, when the accessory device is replaced, the accessory device is manually disassembled and assembled, which wastes time and labor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an excavator can dismantle the auxiliary device automatically.

The embodiment of the utility model is realized like this:

the embodiment of the utility model provides an excavator, it includes excavator main part, general swing arm, hydro-cylinder, telescopic component and auxiliary device, the excavator main part with the connection can be dismantled to general swing arm, the both ends of hydro-cylinder are connected respectively the excavator main part with general swing arm so that general swing arm motion, the excavator main part is equipped with the controller, the controller respectively with the hydro-cylinder with the telescopic component electricity is connected, auxiliary device with general swing arm is through first round pin hub connection, telescopic component establishes on the general swing arm, telescopic component with first round pin hub connection, through telescopic component's flexible right first round pin axle dismouting.

Optionally, the telescopic assembly is a telescopic cylinder.

Optionally, the telescopic end of the telescopic cylinder and the first pin shaft are arranged in parallel, and the telescopic end and the first pin shaft are detachably connected through a connecting rod.

Optionally, the telescopic end is provided with a connecting hole, and one end of the connecting rod is connected with the telescopic end through a second pin shaft penetrating through the connecting hole.

Optionally, the other end of the connecting rod is fixedly connected with the first pin shaft.

Optionally, the telescopic cylinder is fixed to the universal boom through a third pin.

Optionally, the telescopic cylinder is an air cylinder or a hydraulic oil cylinder.

Optionally, the attachment is a two-piece arm or a standard arm.

The utility model discloses beneficial effect includes:

the excavator provided by the embodiment of the utility model has the advantages that the attachment and the universal movable arm are connected through the first pin shaft, the controller drives the telescopic component to stretch and retract, so that the first pin shaft is stretched and retracted, and the first pin shaft is replaced to disassemble and assemble the attachment, so that the time is saved, the reliability and the safety are realized during the disassembly and the assembly of the attachment, the disassembly and assembly efficiency is high, and the purpose of safely and efficiently replacing the attachment is achieved; the integral replacement and integral transportation of the auxiliary devices can be realized, the auxiliary devices with different functions can be detached and replaced at any time, the customer requirements are met to the greatest extent, different auxiliary devices can be used for different working conditions, different functions are realized, the utilization rate of the excavator is increased, and the cost is saved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of an excavator according to an embodiment of the present invention;

fig. 2 is a second schematic structural diagram of an excavator according to an embodiment of the present invention;

fig. 3 is a third schematic structural diagram of an excavator according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a two-section arm according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a standard arm according to an embodiment of the present invention;

fig. 6 is a control flowchart of an excavator according to an embodiment of the present invention.

Icon: 1-an excavator main body; 2-universal movable arm; 21-a first mounting hole; 22-a pin shaft; 3-oil cylinder; 4-two sections of arms; 41-a second mounting hole; 42-two-section triangular arm; 43-an upper boom of two-section arms; 44-two-section arm dipper; 45-two-section arm bucket; 46-a connecting cylinder of two sections of arms; 47-two-section arm linkage; 48-rocker of two-section arm; 5-standard arm; 51-a third mounting hole; 52-upper swing arm of standard arm; 53-standard arm bucket arm; 54-standard arm bucket; 55-a connecting oil cylinder of a standard arm; 56-standard arm link; 57-standard arm rocker; 6-a first pin shaft; 7-a connecting rod; 8-a second pin shaft; 9-a telescopic cylinder; 10-third pin.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

Example one

Referring to fig. 1, the present embodiment provides an excavator, which mainly embodies diversification of attachments, and realizes replacement of different attachments on the basis of a universal boom 2, for example, the attachments may be two-section arms 4 or a standard arm 5. The first pin shaft 6 between the accessory device and the universal movable arm 2 is replaced by adopting a telescopic assembly (such as hydraulic drive), manual disassembly is not needed, safety, time saving and reliability are realized, and the integral replacement and integral transportation of the accessory device can be realized.

The embodiment of the utility model provides an excavator, including excavator main part 1, general swing arm 2, hydro-cylinder 3, flexible subassembly and auxiliary device, excavator main part 1 can be dismantled with general swing arm 2 and be connected, excavator main part 1 and general swing arm 2 are connected respectively so that general swing arm 2 moves to the both ends of hydro-cylinder 3, excavator main part 1 is equipped with the controller, the controller is connected with hydro-cylinder 3 and telescopic part electricity respectively, auxiliary device is connected through first round pin axle 6 with general swing arm 2, telescopic part establishes on general swing arm 2, telescopic part and first round pin axle 6 are connected, carry out the dismouting to first round pin axle 6 through telescopic part's flexible.

First, the excavator main body 1 and the universal boom 2 are detachably connected, and the excavator main body 1 and the universal boom 2 may be connected by using, for example, a pin 22, so that the universal boom 2 and the excavator main body 1 can be easily attached and detached.

Secondly, two ends of the oil cylinder 3 are respectively connected with the excavator main body 1 and the universal movable arm 2, and the universal movable arm 2 moves through the extension and contraction of the oil cylinder 3, so that the working state required by the universal movable arm 2 is achieved.

Thirdly, the attachment is connected with the universal movable arm 2 through a first pin shaft 6, the telescopic assembly is arranged on the universal movable arm 2, and the telescopic assembly is connected with the first pin shaft 6.

Illustratively, taking the attachment as the two-section arm 4 as an example, two first mounting holes 21 are formed in the universal boom 2 and respectively correspond to two second mounting holes 41 formed in the two-section arm 4, and two first hinge pins 6 are formed and respectively penetrate through the corresponding first mounting holes 21 and the corresponding second mounting holes 41 to connect the universal boom 2 and the two-section arm 4. The universal movable arm 2 is provided with a telescopic assembly, and the first pin shaft 6 is driven to move through the telescopic assembly, so that the universal movable arm 2 and the two sections of arms 4 are disassembled and assembled.

When the attachment is a standard arm 5, the two first mounting holes 21 correspond to the two third mounting holes 51 on the standard arm 5, respectively.

The first pin shaft 6 between the accessory device and the universal movable arm 2 is replaced by a telescopic assembly, manual detachment is not needed, safety, time saving and reliability are achieved, and the integral replacement and integral transportation of the accessory device can be achieved.

Fourthly, in order to facilitate automatic control, the excavator main body 1 is provided with a controller, the controller is respectively and electrically connected with the oil cylinder 3 and the telescopic cylinder 9 so as to respectively drive the oil cylinder 3 and the telescopic cylinder 9 to move, the oil cylinder 3 stretches and contracts to enable the universal movable arm 2 to move, and the working state required by the universal movable arm 2 is achieved; the telescopic cylinder 9 is telescopic to disassemble and assemble the first pin shaft 6.

Thus, when an operator sits in the cab of the excavator main body 1, the first pin shaft 6 can be assembled and disassembled only by operating a cab handle button (electrically connected with the controller) to drive the telescopic cylinder 9 to stretch; the oil cylinder 3 is driven to stretch, so that the universal movable arm 2 can move to reach a required working state.

The embodiment of the utility model provides an excavator, excavator main part 1 can dismantle with general movable arm 2 and be connected, and excavator main part 1 and general movable arm 2 are connected respectively so that general movable arm 2 moves to the both ends of hydro-cylinder 3, reach general movable arm 2 required operating condition. Connect auxiliary device and general swing arm 2 through first round pin axle 6, the flexible of flexible subassembly of controller control, make first round pin axle 6 stretch out and withdraw, carry out the dismouting to first round pin axle 6 between auxiliary device and the general swing arm 2, through the automatic dismouting of machinery of flexible subassembly, need not the manpower and demolish, safety, save time, it is reliable, change different auxiliary device, can make the excavator have the work front end of different functions, be applicable to different operating modes and carry out the operation, realize the whole change of auxiliary device, the whole transportation, high convenience and fast, therefore, the clothes hanger is strong in practicability. The disassembly and assembly efficiency is high, and the purpose of safely and efficiently replacing the accessory device is achieved; the auxiliary devices with different functions can be detached and replaced at any time, the customer requirements can be met to the maximum extent, different auxiliary devices can be used for different working conditions, different functions can be realized, the utilization rate of the excavator is increased, and the cost is saved.

Specifically, the telescopic assembly may be a telescopic cylinder 9, and the first pin 6 is assembled and disassembled by the telescopic cylinder 9.

The telescopic cylinder 9 is a mature general mechanical device, is stable in performance and convenient to install, drives the first pin shaft 6 to stretch out and draw back through the telescopic cylinder 9 so as to disassemble and assemble the first pin shaft 6, and is high in efficiency. When in connection, the telescopic end of the telescopic cylinder 9 is connected with the first pin shaft 6.

The telescopic cylinder 9 can be a cylinder, and the cylinder does not use hydraulic oil, so that the environment is clean. The telescopic cylinder 9 can also be a hydraulic oil cylinder 3, and when the hydraulic oil cylinder 3 is used for driving the first pin shaft 6 to stretch, the driving force is sufficient, stable and reliable for a large-scale mechanical structure.

The telescopic assembly can also adopt a screw and nut mode, the motor drives the screw to rotate, the nut sleeve is arranged on the screw, the rotation of the screw is converted into the linear motion of the nut, the first pin shaft 6 is connected with the nut, the first pin shaft 6 is driven to linearly stretch through the nut, and the first pin shaft 6 is disassembled and assembled.

Specifically, when the telescopic assembly is a telescopic cylinder 9, the telescopic end of the telescopic cylinder 9 and the first pin shaft 6 are arranged in parallel, and the telescopic end and the first pin shaft 6 are detachably connected through a connecting rod 7. In this way, the first pin shaft 6 parallel to the telescopic end is synchronously stretched through the stretching of the telescopic end, and the first pin shaft 6 is disassembled and assembled.

The telescopic end is provided with a connecting hole, one end of the connecting rod 7 is connected with the telescopic end through a second pin shaft 8 penetrating through the connecting hole, and the other end of the connecting rod 7 is fixedly connected with the first pin shaft 6.

So for connecting rod 7 and flexible end can be dismantled through second round pin axle 8, conveniently change different telescoping cylinder 9 as required.

On the other hand, the connecting rod 7 is fixedly connected with the first pin 6, the connecting rod 7 can be regarded as a part of the first pin 6, for example, as shown in fig. 2, the connecting rod 7 is fixed with the end of the first pin 6, when the first pin 6 is disassembled and assembled, the rigidity of the first pin 6 can be enhanced, and the disassembly and assembly are stable.

The telescopic cylinder 9 is fixed on the universal movable arm 2, and the telescopic cylinder 9 and the universal movable arm 2 are fixed through a third pin shaft 10, so that the telescopic cylinder is convenient to disassemble and assemble.

It should be noted that, as shown in fig. 2, the bottom of the telescopic cylinder 9 is connected with the universal movable arm 2 by a third pin 10, the telescopic end of the telescopic cylinder 9 is connected with the first pin 6 by a connecting rod 7 and a second pin 8, when the connection between the universal movable arm 2 and the two-section arm 4 needs to be disassembled, the telescopic end of the telescopic cylinder 9 is driven to extend out only by operating a cab handle button until the state shown in fig. 3 is reached, and when the state shown in fig. 3 is reached (at this time, the first pin 6 is still connected with the universal movable arm 2), the two-section arm 4 can be removed, and other required accessories are assembled. When the accessory is replaced, the cab handle button is operated to drive the telescopic cylinder 9 to retract until the state shown in figure 2, and the accessory which is replaced can be used for working.

In fig. 3, when the first pin shaft 6 is detached, it is not necessary to completely detach the first pin shaft 6 from the universal movable arm 2, at this time, the first pin shaft 6 is still connected to the universal movable arm 2, and only the first pin shaft 6 is separated from the two sections of arms 4 connected thereto, so that the first pin shaft 6 is prevented from falling out of the universal movable arm 2 after the first pin shaft 6 is completely detached from the universal movable arm 2, and the trouble of reinstalling the first mounting hole 21 during reinstallation is omitted.

The two-section arm 4 and the standard arm 5 are constructed as shown in fig. 4 and 5. As shown in fig. 4, the two-joint arm 4 includes a two-joint arm triangular arm 42, a two-joint arm upper boom 43, a two-joint arm 44, a two-joint arm rocker 48, a two-joint arm link 47, a two-joint arm bucket 45, and a two-joint arm connecting cylinder 46. The two-section arm 4 is connected with the universal movable arm 2 through a triangular arm 42 of the two-section arm, wherein the two first mounting holes 21 in fig. 1 are correspondingly connected with the two second mounting holes 41 in fig. 4 respectively. The telescopic connection of the oil cylinder 46 of the two-section arm enables the connected structural member to move, and the required working state is achieved. The front ends of the bucket rods 44 of the two sections of arms can be provided with accessories such as hydraulic shears, breaking hammers and the like, so that multipurpose operation is realized. The two sections of arms 4 can realize multipurpose construction, increase the construction range and carry out relatively short dismantling operation.

As shown in fig. 5, the standard arm 5 includes an upper boom 52 of the standard arm, an arm stick 53 of the standard arm, a rocker 57 of the standard arm, a link 56 of the standard arm, a bucket 54 of the standard arm, and a connecting cylinder 55 of the standard arm. The standard arm 5 is connected with the universal boom 2 in fig. 1 through an upper boom 52 of the standard arm, wherein two first mounting holes 21 in fig. 1 are correspondingly connected with two third mounting holes 51 in fig. 5. The telescopic connection oil cylinder 55 of the standard arm enables the connected structural part to move, and the required working state is achieved. The front end of the bucket rod 53 of the standard arm can be provided with accessories such as hydraulic shears, breaking hammers and the like, so that multipurpose operation is realized. The multipurpose construction can be realized, and the machine can be used to the maximum extent.

The embodiment of the utility model provides an excavator can a tractor serves several purposes, and the attachment adopts can dismantle the connection with general movable arm 2, can tear open at any time and trade the attachment who uses different functions, and the at utmost satisfies the customer demand. The attachment means may take a variety of configurations, and is illustrated herein as a two-piece arm 4 and a standard arm 5. The auxiliary device adopts hydraulic pressure to integrally dismantle, is convenient to transport, realizes integral disassembly and exchange of various auxiliary devices, and is convenient to transport and install.

The excavator can realize the work of dismantling, crushing, excavating and the like, has wide application and is suitable for various working conditions. Meanwhile, the cost is low, the utilization rate of the equipment is improved, only one host is needed, and the utilization rate of the equipment can be maximized. Increases economic benefit, and is safe, environment-friendly and strong in operability.

Example two

As shown in fig. 6, an embodiment of the present invention provides a control method for an excavator, where the excavator of the above embodiment is applied, the method includes:

s100: and receiving a disassembly and assembly instruction sent by the controller.

The telescopic assembly is electrically connected with the controller and receives the dismounting instruction sent by the controller.

S120: the telescopic end of the telescopic component extends out or retracts to disassemble and assemble the first pin shaft 6.

After the telescopic assembly receives the dismounting instruction sent by the controller, the telescopic end of the telescopic assembly extends or retracts to enable the first pin shaft 6 to extend or retract, the first pin shaft 6 is dismounted, the attachment and the universal movable arm 2 are mounted or separated, the attachment is dismounted, and the purpose of replacing different attachments is achieved.

On the other hand, the controller is electrically connected with the oil cylinder 3 to drive the oil cylinder 3 to extend and contract, so that the universal boom 2 moves to reach the working state required by the universal boom 2.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an excavator, its characterized in that, includes excavator main part, general swing arm, hydro-cylinder, telescopic component and auxiliary device, the excavator main part with the connection can be dismantled to general swing arm, the both ends of hydro-cylinder are connected respectively the excavator main part with general swing arm is so that general swing arm motion, the excavator main part is equipped with the controller, the controller respectively with the hydro-cylinder with telescopic component electricity is connected, auxiliary device with general swing arm is through first round pin hub connection, telescopic component establishes on the general swing arm, telescopic component with first round pin hub connection, through telescopic component's flexible right first round pin axle dismouting.

2. The excavation machine of claim 1, wherein the telescoping assembly is a telescoping cylinder.

3. The excavator of claim 2 wherein the telescopic end of the telescopic cylinder is parallel to the first pin, and the telescopic end is detachably connected to the first pin through a connecting rod.

4. The excavator of claim 3 wherein the telescopic end is provided with a connection hole and one end of the connecting rod is connected to the telescopic end by a second pin passing through the connection hole.

5. The excavator of claim 4 wherein the other end of the connecting rod is fixedly connected to the first pin.

6. The excavator of claim 2 wherein the telescoping cylinder is secured to the universal boom by a third pin.

7. The excavator of claim 2 wherein the telescopic ram is a pneumatic or hydraulic ram.

8. The excavating machine of claim 1 wherein the attachment is a two-piece or standard arm.