CN209482380U - The swing arm reduction of speed control device and excavator of excavator - Google Patents
The swing arm reduction of speed control device and excavator of excavator Download PDFInfo
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- CN209482380U CN209482380U CN201822268629.0U CN201822268629U CN209482380U CN 209482380 U CN209482380 U CN 209482380U CN 201822268629 U CN201822268629 U CN 201822268629U CN 209482380 U CN209482380 U CN 209482380U
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- swing arm
- angular displacement
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- excavator
- controller
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Abstract
The utility model provides the swing arm reduction of speed control device and excavator of a kind of excavator, it is related to technical field of engineering machinery, swing arm reduction of speed control device includes controller, swing arm driving assembly and the angular displacement collector being arranged on the equipment of excavator, angular displacement collector is connected with controller, and controller is connected with swing arm driving assembly；Angular displacement collector is used for angular displacement information of collecting work device during decline；Controller is used to obtain the work state information of equipment according to angular displacement information, and sends control signals to swing arm driving assembly according to work state information；Swing arm driving assembly is used for the swing arm decrease speed according to control Signal Regulation equipment.The utility model can control swing arm decrease speed of equipment during decline, to avoid security hidden trouble caused by occurring due to hypervelocity.
Description
Technical field
The utility model relates to technical field of engineering machinery, more particularly, to a kind of swing arm reduction of speed control device of excavator
And excavator.
Background technique
Engineering machinery, especially large excavator equipment, equipment include swing arm and dipper, are carried out in equipment
When step-down operation, due to the weight of itself, so that decrease speed is not easy to control, it is easy hypervelocity, leads to that equipment occurs
Pound ground, the safety problems such as vehicle body is unbalance or even tumbles.
Currently, what excavator generallyd use is Hynautio-steering, the movement of equipment is grasped by operator
Control, this has much relations with its people's control ability, and therefore, the manipulation safety of equipment cannot ensure.In addition, due to
The factors such as operator's driving fatigue, operation error, it is easy to security hidden trouble caused by exceeding the speed limit due to equipment occur.
Utility model content
In view of this, the purpose of this utility model is to provide the swing arm reduction of speed control device and excavator of excavator, with
The manipulation safety for alleviating the equipment of existing excavator cannot ensure, be easy to happen as caused by equipment hypervelocity
The technical issues of security hidden trouble.
In a first aspect, the utility model embodiment provides a kind of swing arm reduction of speed control device of excavator, comprising: control
Device, swing arm driving assembly and the angular displacement collector being arranged on the equipment of excavator, the angular displacement collector with
The controller is connected, and the controller is connected with the swing arm driving assembly；
The angular displacement collector, for acquiring angular displacement information of equipment during decline；
The controller, for obtaining the work state information of the equipment, and root according to the angular displacement information
The swing arm driving assembly is sent control signals to according to the work state information；
The swing arm driving assembly, the swing arm decrease speed for the equipment according to the control Signal Regulation.
With reference to first aspect, the utility model embodiment provides the first possible embodiment of first aspect,
In, the angular displacement collector includes the angular transducer being separately positioned on the swing arm and dipper of the equipment, described
Angular displacement information includes swing arm angular displacement and dipper angular displacement.
With reference to first aspect, the utility model embodiment provides second of possible embodiment of first aspect,
In, the controller obtains the extended state of the equipment according to the swing arm angular displacement and the dipper angular displacement and moves
Arm decrease speed.
With reference to first aspect, the utility model embodiment provides second of possible embodiment of first aspect,
In, the controller, which is also used to reach the maximum and described swing arm decrease speed in the extended state of the equipment, reaches setting
When value, the control signal is sent to the swing arm driving assembly.
With reference to first aspect, the utility model embodiment provides the third possible embodiment of first aspect,
In, the controller sends control signals to the swing arm driving group when the work state information reaches setting state
Part.
With reference to first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect,
In, the setting state includes that the extended state of the equipment reaches the maximum and described swing arm decrease speed and reaches setting
Value.
With reference to first aspect, the utility model embodiment provides the 5th kind of possible embodiment of first aspect,
In, the swing arm driving assembly includes electro-hydraulic proportional valve and boom cylinder interconnected, the electro-hydraulic proportional valve and the control
Device processed is connected, and the boom cylinder is connected with the swing arm of the equipment；
The electro-hydraulic proportional valve, for the flexible of the boom cylinder according to the control Signal Regulation, described in reducing
Swing arm decrease speed.
With reference to first aspect, the utility model embodiment provides the 6th kind of possible embodiment of first aspect,
In, the electro-hydraulic proportional valve includes swing arm spool and guide's component；
Guide's component for driving the swing arm spool to change restriction under the control of said control signal, to adjust
Save the recirculating oil quantity of the boom cylinder.
With reference to first aspect, the utility model embodiment provides the 7th kind of possible embodiment of first aspect,
In, guide's component includes proportion electro-magnet.
With reference to first aspect, the utility model embodiment provides the 8th kind of possible embodiment of first aspect,
In, the controller includes central processor CPU.
Second aspect, the utility model embodiment also provide a kind of excavator, including excavator as described in relation to the first aspect
Swing arm reduction of speed control device.
The utility model bring it is following the utility model has the advantages that
The utility model provides the swing arm reduction of speed control device and excavator of a kind of excavator, swing arm reduction of speed control device
It include: controller, swing arm driving assembly and the angular displacement collector being arranged on the equipment of excavator, angular displacement acquisition
Device is connected with controller, and controller is connected with swing arm driving assembly；Angular displacement collector is for collecting work device under
Angular displacement information during drop, and angular displacement information is sent to controller；Controller according to angular displacement information for obtaining
The work state information of equipment, and when work state information reaches setting state, send control signals to swing arm drive
Dynamic component；Swing arm driving assembly is used for the swing arm decrease speed according to control Signal Regulation equipment.So that under swing arm
Reduction of speed degree is controllable, avoids causing because of the swing arm rapid decrease of equipment lean forward hind wing, equipment of excavator vehicle body quick
Pound etc. security risks.
Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood and implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is achieved and obtained in book, claims and attached drawing.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment is cited below particularly, and
Cooperate appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of the swing arm reduction of speed control device of excavator provided by the embodiment of the utility model；
Fig. 2 is the scheme of installation of the swing arm reduction of speed control device of excavator provided by the embodiment of the utility model.
Icon: 10- angular displacement collector；11- angular transducer；20- controller；30- swing arm driving assembly；31- is electro-hydraulic
Proportioning valve；32- boom cylinder.
Specific embodiment
To keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, below in conjunction with attached drawing to this
The technical solution of utility model is clearly and completely described, it is clear that described embodiment is that the utility model a part is real
Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained, fall within the protection scope of the utility model under the premise of creative work.
Currently, what excavator generallyd use is Hynautio-steering, the movement of equipment is grasped by operator
Control, this has much relations with its people's control ability, and therefore, the manipulation safety of equipment cannot ensure.In addition, due to
The factors such as operator's driving fatigue, operation error, it is easy to security hidden trouble caused by exceeding the speed limit due to equipment occur.
Based on this, a kind of the swing arm reduction of speed control device and excavator of excavator provided by the embodiment of the utility model can control work
Make swing arm decrease speed of device during decline, to avoid security hidden trouble caused by occurring due to hypervelocity.
For convenient for understanding the present embodiment, first to a kind of the dynamic of excavator disclosed in the utility model embodiment
Arm reduction of speed control device describes in detail.
Fig. 1 shows the schematic diagram of the swing arm reduction of speed control device of excavator provided by the embodiment of the utility model.
As shown in Figure 1, a kind of swing arm reduction of speed control device of excavator provided by the embodiment of the utility model, comprising: control
Device 20, swing arm driving assembly 30 and the angular displacement collector 10 being arranged on the equipment of excavator processed, angular displacement acquisition
Device 10 is connected with controller 20, and controller 20 is connected with swing arm driving assembly 30；
Angular displacement collector 10 for angular displacement information of collecting work device during decline, and angular displacement is believed
Breath is sent to controller 20；
Specifically, angular displacement collector 10 can be connected by the controller 20 of data line and excavator, will be collected
The electric signal transmission of angular displacement information is to controller 20.
Controller 20 for obtaining the work state information of equipment according to angular displacement information, and is believed in working condition
When breath reaches setting state, swing arm driving assembly 30 is sent control signals to；
Specifically, controller 20 can be the central processing unit (Central Processing Unit, CPU) of excavator.
Swing arm driving assembly 30, for the swing arm decrease speed according to control Signal Regulation equipment.
In the utility model embodiment, equipment includes swing arm and dipper, and angular displacement collector 10 includes setting dynamic
Angular transducer 11 on arm and the angular transducer 11 being arranged on dipper, can acquire swing arm angular displacement and dipper angle respectively
Displacement, therefore, above-mentioned angular displacement information includes swing arm angular displacement and dipper angular displacement；It can by swing arm angular displacement and dipper angular displacement
Decline state of equipment during decline is calculated.
Further, controller 20 obtains the extended state of equipment according to swing arm angular displacement and dipper angular displacement and moves
Arm decrease speed (angular speed), specifically, according to the angular speed of the available swing arm of swing arm angular displacement, according to swing arm angular displacement and
The stretching angle of equipment, i.e. extended state can be calculated in dipper angular displacement.Therefore, the work shape of above-mentioned equipment
State information includes the extended state and swing arm decrease speed of equipment.
Further, the extended state that the setting state that above-mentioned work state information reaches can be equipment reaches most
Big and swing arm decrease speed reaches setting value, at this time, it may be necessary to control the decrease speed of swing arm, prevents equipment in decline process
It is middle to generate excessive tilting moment, wherein corresponding swing arm decrease speed is inertia force, and the extended state of equipment is corresponding
It is the arm of force, and controls swing arm decrease speed, can effectively control the tilting moment that equipment leans forward, to prevents to excavate
Locomotive body lean forward hind wing, equipment quickly pound etc. security hidden troubles.Specifically, the extended state of equipment reaches most
Refer to that bucket arm cylinder is full reduced greatly, i.e., equipment flexes outward farthest state.
Therefore, controller 20 can reach maximum in the extended state of equipment and swing arm decrease speed reaches setting value
When, send control signals to swing arm driving assembly 30.
In practical applications, as shown in Fig. 2, swing arm driving assembly 30 includes electro-hydraulic proportional valve 31 interconnected and swing arm
Oil cylinder 32, electro-hydraulic proportional valve 31 are connected with controller 20, and boom cylinder 32 is connected with the swing arm of equipment；Electric-hydraulic proportion
Valve 31 adjusts the flexible of boom cylinder 32, after the control signal for receiving the transmission of controller 20 to reduce swing arm decrease speed.
Specifically, electro-hydraulic proportional valve 31 includes swing arm spool and proportion electro-magnet；Proportion electro-magnet is as swing arm spool
Guide's component changes restriction for driving swing arm spool under control of the control signal, to adjust the oil return of boom cylinder 32
Amount；Specifically, reduce the orifice size of 32 oil return of boom cylinder, it is possible to reduce the recirculating oil quantity of boom cylinder 32, so that swing arm is oily
The flexible of cylinder 32 slows down, to reduce the decrease speed of swing arm.
The swing arm reduction of speed control device of the excavator of the utility model embodiment can solve descending movable arm of excavator process
In speed runaway phenomenon；By controlling the decrease speed of swing arm, locomotive can be excavated to avoid because of swing arm rapid decrease bring
Body lean forward hind wing, equipment quickly pound etc. security hidden troubles.In addition, improving excavator using electric proportional control system
Control performance.
In addition, in the description of the utility model embodiment unless specifically defined or limited otherwise, term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.The apparatus embodiments described above are merely exemplary, for example, the division of the unit,
Only a kind of logical function partition, there may be another division manner in actual implementation, in another example, multiple units or components can
To combine or be desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or beg for
The mutual coupling, direct-coupling or communication connection of opinion can be through some communication interfaces, device or unit it is indirect
Coupling or communication connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the utility model can integrate in one processing unit,
It can be each unit to physically exist alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in the executable non-volatile computer-readable storage medium of a processor.Based on this understanding, this is practical
Substantially the part of the part that contributes to existing technology or the technical solution can be in other words for novel technical solution
The form of software product embodies, which is stored in a storage medium, including some instructions to
So that computer equipment (can be personal computer, server or the network equipment an etc.) execution the utility model is each
The all or part of the steps of embodiment the method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory
(ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk
Etc. the various media that can store program code.
Finally, it should be noted that embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical solution of utility model, rather than its limitations, the protection scope of the utility model is not limited thereto, although referring to aforementioned
The utility model is described in detail in embodiment, those skilled in the art should understand that: it is any to be familiar with this skill
The technical staff in art field within the technical scope disclosed by the utility model, still can be to skill documented by previous embodiment
Art scheme modify or can readily occur in variation or equivalent replacement of some of the technical features；And these modifications,
Variation or replacement, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
It encloses, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be wanted with the right
Subject to the protection scope asked.
Claims (10)
1. a kind of swing arm reduction of speed control device of excavator characterized by comprising controller, swing arm driving assembly and set
The angular displacement collector on the equipment of excavator is set, the angular displacement collector is connected with the controller, described
Controller is connected with the swing arm driving assembly；
The angular displacement collector, for acquiring angular displacement information of equipment during decline；
The controller, for obtaining the work state information of the equipment according to the angular displacement information, and according to institute
It states work state information and sends control signals to the swing arm driving assembly；
The swing arm driving assembly, the swing arm decrease speed for the equipment according to the control Signal Regulation.
2. the apparatus according to claim 1, which is characterized in that the angular displacement collector includes being separately positioned on the work
Make the angular transducer on the swing arm and dipper of device, the angular displacement information includes swing arm angular displacement and dipper angular displacement.
3. the apparatus of claim 2, which is characterized in that the controller is according to the swing arm angular displacement and the bucket
Bar angular displacement obtains the extended state and swing arm decrease speed of the equipment.
4. the apparatus according to claim 1, which is characterized in that the controller reaches setting in the work state information
When state, the swing arm driving assembly is sent control signals to.
5. device according to claim 4, which is characterized in that the setting state includes the stretch-like of the equipment
State reaches the maximum and described swing arm decrease speed and reaches setting value.
6. the apparatus according to claim 1, which is characterized in that the swing arm driving assembly includes electro-hydraulic ratio interconnected
Example valve and boom cylinder, the electro-hydraulic proportional valve are connected with the controller, the boom cylinder and the equipment
Swing arm is connected；
The electro-hydraulic proportional valve, for the flexible of the boom cylinder according to the control Signal Regulation, to reduce the swing arm
Decrease speed.
7. device according to claim 6, which is characterized in that the electro-hydraulic proportional valve includes swing arm spool and pilot portion
Part；
Guide's component for driving the swing arm spool to change restriction under the control of said control signal, to adjust
State the recirculating oil quantity of boom cylinder.
8. device according to claim 7, which is characterized in that guide's component includes proportion electro-magnet.
9. the apparatus according to claim 1, which is characterized in that the controller includes central processor CPU.
10. a kind of excavator, which is characterized in that the swing arm reduction of speed control including excavator as described in any one of claim 1 to 9
Device processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822268629.0U CN209482380U (en) | 2018-12-28 | 2018-12-28 | The swing arm reduction of speed control device and excavator of excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822268629.0U CN209482380U (en) | 2018-12-28 | 2018-12-28 | The swing arm reduction of speed control device and excavator of excavator |
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| CN209482380U true CN209482380U (en) | 2019-10-11 |
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| CN201822268629.0U Active CN209482380U (en) | 2018-12-28 | 2018-12-28 | The swing arm reduction of speed control device and excavator of excavator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469137A (en) * | 2018-12-28 | 2019-03-15 | 上海三重机股份有限公司 | Swing arm reduction of speed control device, method and the excavator of excavator |
-
2018
- 2018-12-28 CN CN201822268629.0U patent/CN209482380U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469137A (en) * | 2018-12-28 | 2019-03-15 | 上海三重机股份有限公司 | Swing arm reduction of speed control device, method and the excavator of excavator |
| CN109469137B (en) * | 2018-12-28 | 2024-05-24 | 上海三一重机股份有限公司 | Swing arm deceleration control device and method of excavator and excavator |
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