CN208346895U - Loading machine stable module system - Google Patents
Loading machine stable module system Download PDFInfo
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- CN208346895U CN208346895U CN201820987300.7U CN201820987300U CN208346895U CN 208346895 U CN208346895 U CN 208346895U CN 201820987300 U CN201820987300 U CN 201820987300U CN 208346895 U CN208346895 U CN 208346895U
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Abstract
The utility model discloses a kind of loading machine stable module systems, belong to technical field of engineering machinery.It solves the defect that stable module in the prior art needs to be controlled, be unable to satisfy with gear automatic control.Its main structure includes working barrel, multi-way valve, control unit, pilot valve and executive component, the working barrel is connect with multi-way valve and pilot valve respectively, multi-way valve is connect with executive component, including stable module, stable module accumulator and pressure switch, the stable module is connect with stable module accumulator and executive component respectively, the pilot valve is connect with pressure switch and multi-way valve respectively, and described control unit is connect with stable module and pressure switch respectively.The utility model is mainly used in the engineering machinery such as loading machine.
Description
Technical field:
The utility model belongs to technical field of engineering machinery, specifically, more particularly to a kind of loading machine stable module
System.
Background technique:
The working condition of loading machine is mainly spading operation and loading operation, be all material from A is transported to B,
During this, four lifting, receipts bucket, discharging, decline movements needing equipment to carry out；The loading of material in A is carried out,
Then with transporting B, by material in B discharging；Circulation action repeatedly.
During loading operation needs long-distance transportation, since equipment is maintained at certain height, at scraper bowl
In the state for receiving bucket.After the scraper bowl of loading machine is loaded with material, in transport, scraper bowl and material therein can be to the fronts of loading machine
Inertial acceleration is generated, leads to loading machine when moving, the phenomenon that swaying forwards and backwards is generated, causes the comfort of driver very poor,
And due to shaking, the material in scraper bowl can be made to fall out during transportation.Inertial acceleration Producing reason is: transporting
Under defeated state, the fuel-displaced of pump is returned directly to hydraulic oil container by multi-way valve.At this point, the spool of multi-way valve encloses having for boom cylinder
Rod cavity and rodless cavity, the rod chamber and rodless cavity of boom cylinder are in closed state, and the liquid in boom cylinder is closed in envelope
In the space closed.Due to the effect of jolting in transportational process, boom cylinder inner fluid can be with the pressure made inside oil cylinder of jolting
Violent variation occurs, the impact of pressure will drive complete machine and corresponding vibration, noise occurs, therefore will drive complete machine and front and back occurs
The phenomenon that shaking.This inertial acceleration can become larger as loading machine speed is accelerated, and inertial acceleration can also be produced because of Uneven road
It is raw.
Ordinary circumstance, in transport, driver is for comfort and reduces material spilling, and speed can be reduced to transport object
Material, the disadvantage is that working efficiency is too low, greatly reduces the efficiency of long-distance transportation, nor can guarantee material when jolting
It is scattered few phenomenon.
When to solve loading machine long-distance transportation, since the inertial acceleration of scraper bowl and material leads to the comfort of driver
The problem of difference and material spilling is using loading machine stable module system in the prior art: the oil inlet difference of stable module
The rod chamber and rodless cavity of boom cylinder are connected, the outlet of stable module connects accumulator.Under long-distance transportation state, open
The electromagnetic valve switch of stable module allows the big chamber oil liquid in stable module and boom cylinder to communicate, when the rod chamber of boom cylinder
When interior pressure rise, the accumulator in stable module is used to absorb the pressure being more than, and the overflow valve in stable module keeps dynamic
Pressure inside arm oil cylinder does not exceed highest setting value, to guarantee that boom cylinder will not lead to complete machine with jolting
It sways forwards and backwards.But at present to the control program of stable module are as follows: 1, when complete machine is shoveled into material, it needs stable module is manual
It closes.In the travel position for needing stable module to work, need to open stable module switch manually, when not needing work,
Manual off switch；The disadvantage is that cannot achieve automatic control, switch on and off, will lead to driver's distraction, exist
Hidden danger；2, the stable module being arranged in manual transmission, generally when gearbox one is kept off, stable module is not acted as
With, can just be played a role in second gear or more, be because are as follows: for general loading machine when shoveling into material, majority of case uses speed change
Case be one gear when shovel into material, cannot allow at this time stable module work (if stable module works when shoveling into material, meeting
The lifting force of boom cylinder is influenced, because the accumulator of stable module only absorbs pulse, the lifting force of swing arm can be reduced,
Seriously affect efficiency；Secondly, the energy-storage pressure of stable module accumulator will not be arranged too high, life and reliability is influenced),
The disadvantage is that driver likes shoveling in gearbox second gear into material (second gear is shoveled into the more efficient of material) in some operating conditions, if
Stable module is opened manually, then stable module intervention wherein, causes complete machine to shovel the phenomenon into material inability.If being set as one
Gear, second gear stable module do not work, then, the comfortable property of some short-distance and medium-distance, driver transports object with gearbox second gear
Material can not then eliminate the shaking of inertial acceleration generation；And follow-up developments to automatic gear-box or variable speed when
It waits, because gear does not clearly define, then can not be applicable in gear to control whether stable module is opened.
Summary of the invention:
In order to solve the disadvantage that stable module needs to be controlled with gear in the prior art, be unable to satisfy automatic control, this reality
A kind of loading machine being different from the prior art stable module system is provided with novel, may be implemented to automatically control stable mode
Whether block is opened, and operates without driver, reduces security risk.
To achieve the goals above, the utility model adopts the following technical solutions realization:
A kind of loading machine stable module system, including working barrel, multi-way valve, control unit, pilot valve and executive component,
The working barrel is connect with multi-way valve and pilot valve respectively, and multi-way valve is connect with executive component, including stable module, stable module
Accumulator and pressure switch, the stable module are connect with stable module accumulator and executive component respectively, the pilot valve point
It is not connect with pressure switch and multi-way valve, described control unit is connect with stable module and pressure switch respectively.
Further, the loading machine stable module system includes leading oil source control valve and adjustable pollution discharge pipe device, described
Leading oil source control valve is connect with working barrel, adjustable pollution discharge pipe device and pilot valve respectively.
Further, the loading machine stable module system includes power switch, the power switch and control unit
Connection.
Further, the loading machine stable module system further includes filter and return filter, filter into
Hydraulic fluid port is connect with leading oil source control valve, and oil outlet is connect with pilot valve；The oil inlet of return filter is connect with multi-way valve, out
Hydraulic fluid port takes back oil pipe line.
Further, the executive component includes boom cylinder and rotary ink tank, multi-way valve respectively with boom cylinder and turn
Struggle against oil cylinder connection.
Further, there are four the pressure switch is set.
Compared with prior art, the utility model has the beneficial effects that
1, it may be implemented to automatically control whether stable module is opened, be operated without driver, reduce security risk；
2, automatic control mode is not associated with gear, be can satisfy the automatic control demand of any gear, is set without special
Determine gear, meets the needs of all users；
3, the control mode with stable module can be realized in automatic gear-box or infinitely variable transmission.
Detailed description of the invention:
Fig. 1 is the principles of the present invention schematic diagram；
Fig. 2 is the partial enlarged view in Fig. 1 at G；
Fig. 3 is the partial enlarged view in Fig. 1 at K.
In figure: 1, fuel tank；2, leading oil source control valve；3, adjustable pollution discharge pipe device；4, filter；5, pilot valve；6, stable mode
Block；7, stable module accumulator；8, control unit；9, power switch；10, pressure switch；11, multi-way valve；12, boom cylinder；
13, rotary ink tank；14, working barrel；15, return filter；16, stable module main valve；17, swing arm joins valve；18, solenoid valve；19,
Hand-held block；20, safety valve.
Specific embodiment:
Below by specific embodiment and in conjunction with attached drawing, the utility model is described in further detail.
Embodiment 1:
As shown in Figure 1-3, a kind of loading machine stable module system, including fuel tank 1, working barrel 14, multi-way valve 11, control
Unit 8, pilot valve 5 and executive component, the working barrel 14 are connect with fuel tank 1, multi-way valve 11 and pilot valve 5 respectively, pilot valve 5
Each actuator port A1, B1, A2, B2 respectively to guide's hydraulic fluid port xA1, xB1, xA2, xB2 of multi-way valve 11 send pressure signal；
Multi-way valve 11 is connect with executive component；Loading machine stable module system further includes stable module 6,7 and of stable module accumulator
Pressure switch 10, the stable module 6 are connect with stable module accumulator 7 and executive component respectively, the pilot valve 5 respectively with
Pressure switch 10 and multi-way valve 11 connect, and described control unit 8 is connect with stable module 6 and pressure switch 10 respectively.
Embodiment 2:
Loading machine stable module system includes leading oil source control valve 2 and adjustable pollution discharge pipe device 3, the pilot oil source control
Valve 2 is connect with working barrel 14, adjustable pollution discharge pipe device 3 and pilot valve 5 respectively；The loading machine stable module system includes power supply
Switch 9, the power switch 9 are connect with control unit 8；The loading machine stable module system further includes filter 4 and returns
The oil inlet of oil strainer 15, filter 4 is connect with leading oil source control valve 2, and oil outlet is connect with pilot valve 5；Oil return filter
The oil inlet of device 15 is connect with multi-way valve 11, and oil outlet is connect with fuel tank 1；The executive component includes boom cylinder 12 and turns
Struggle against oil cylinder 13, and multi-way valve 11 is connect with boom cylinder 12 and rotary ink tank 13 respectively；There are four the pressure switch 10 is set；Stablize
Module 6 include stable module main valve 16, solenoid valve 18, hand-held block 19 and safety valve 20, stable module main valve 16 respectively with electricity
Magnet valve 18, hand-held block 19, safety valve 20 and stable module accumulator 7 connect, and safety valve 20 also connects with stable module accumulator 7
It connects.Other parts are same as Example 1.
The oil inlet A of stable module 6 is connect with the rodless cavity A3 of two boom cylinders 12, oil inlet B and two swing arm oil
The rod chamber B3 connection of cylinder 12, X1, X2 mouthfuls connect with stable module accumulator 7 respectively, and (some systems can also be with only one
Stable module accumulator 7, i.e. X1 mouthful or X2 mouthfuls of stable connection module accumulators 7, the closing of another hydraulic fluid port), stable module 6
T4 mouth connected tank 1；Solenoid valve 18 is connect with control unit 8.
The oil outlet of the hydraulic fluid port end connection pilot valve 5 of pressure switch 10, four pressure switches 10 are separately connected pilot valve 5
Oil outlet A1, B1, A2, B2, line scan pickup coil side one end of pressure switch 10 connect power supply line, and one end connects the control line of control unit 8
Terminal；The power supply line that one end connection power supply of power switch 9 comes, one end connects the inlet wire of control unit 8.
The utility model is to take the pressure signal of pilot handle as the control switch for disconnecting stable module 6, in guide's hand
When handle has pressure signal, pressure switch 10 detects pressure signal, by the logic calculation of control unit 8, disconnects stable module 6
The route of the circuit of middle solenoid valve 18, makes stable module 6 that can not play the role of systems stabilisation.
The control of the utility model is not associated with the gear of gearbox, is only associated with the movement of guide；In order to guarantee swing arm
The lifting process of oil cylinder 12 and the receipts bucket of rotary ink tank 13 and the process of discharging are not influenced (to prevent steady by stable module 6
Cover half block 6 generates swing arm inability, receives situations such as bucket is powerless during lifting or receiving bucket), the control process of the utility model
Are as follows:
When loading machine carries out control lifting, decline, receives bucket, discharging, stable module 6 does not work；If pilot handle
When controlling multi-way valve 11, then the output pipe of pilot valve 5 has pressure generation, such as when swing arm being needed to lift, working barrel 14
In right side guide's pump output pressure reach the oil inlet P of pilot valve 5 by leading oil source control valve 2, filter 4, pass through
The small valve core of 5 the right lower part of pilot valve, by the A2 mouth of pressure output to pilot valve 5, pressure reaches the pilot port of multi-way valve 11
It xA2 mouthfuls, is moved downward for controlling the spool of swing arm connection valve 17 of multi-way valve 11, work is connected in the right position that swing arm joins valve 17, makes
The working connection of multi-way valve 11 is entered the rodless cavity of the boom cylinder 12 of multi-way valve 11 by working barrel 14, and oil liquid makes boom cylinder 12
Piston rod stretches out, and generates castering action.So the A2 of pilot valve 5 will generate pressure letter when controlling the lifting of boom cylinder 12
Number, this pressure signal can control pressure switch 10 and disconnect or be connected to, will not be by power supply by the logic calculation of control unit 8
It is switched on the solenoid valve 18 of stable module 6, so that stable module 6 be made not play a role.The logic calculation of control unit 8 is
Or the relationship of door, i.e., if there is any one pressure switch 10 detects pressure signal, then control unit 8, will not by calculating
The solenoid valve 18 being connected in power supply line and stable module 6 does not work so that stable module 6 be made to fail.
The utility model is provided with driver's manual switch, i.e. power switch 9, if driver is under any circumstance not
Want using stable module 6, power switch 9 can be closed, then stable module 6 is constantly in closed state；If driver thinks
Using stable module 6,9 can be turned on the power switch, then the automatic calculating Jing Guo system, stable module 6 are acted in no guide
When, buffering effect is generated to entire machine.
The working principle of stable module 6 is as follows:
When loading machine is in motion process, after the solenoid valve 18 of stable module 6 powers on, i.e. stable module main valve 16
Spool in left and right ends pilot pressure it is equal, equal to the preparatory the blowing pressure of stable module accumulator 7；At this point, multi-way valve
For 11 swing arm connection valve 17 left and right ends guide xA2 and xB2 without pressure, swing arm joins the spool of valve 17 in left and right ends spring
Under active force, spool is made to be in middle position, at this point, the rodless cavity oil liquid and rod chamber oil liquid of boom cylinder 12 with multi-way valve 11
Oil inlet disconnects, and the oil liquid of boom cylinder 12 is in closed state.If encountering the closing chamber for making the rodless cavity A3 of boom cylinder 12
When generating compression phenomena (when rodless cavity A3 pressure rise), then the rodless cavity A3 of boom cylinder 12 passes through the A of stable module 6
Mouthful, to 7 punching press of stable module accumulator, keep original pressure of boom cylinder 12；If the rod chamber B3 of boom cylinder 12 is produced
When raw compression, the spool of the stable module main valve 16 in stable module 6 can be pushed to the left, by the rod chamber B3 of boom cylinder 12
It is connected to fuel tank 1, discharges the pressure of the rod chamber B3 of boom cylinder 12.The safety valve 20 that stable module 6 is arranged guarantees swing arm oil
The maximum pressure of cylinder 12 prevents unexpected generation；The hand-held block 19 that stable module 6 is arranged, when encountering fortuitous event, Ke Yitong
It crosses hand-held block 19 to put down boom cylinder 12 manually, guarantees the security performance of complete machine.Therefore, stable module 6 can reduce used
Property acceleration generate, the case where increasing substantially the comfort of driver, while reducing material spilling.
Its hand-held block 19 can be bi-bit bi-pass hand-operated direction valve.
The utility model is unrelated with the gear of gearbox, can be adapted for any gearbox, protects automatic transmission and stepless change
In the gearbox of speed, it can effectively solve the problems, such as that gear is arranged.
Claims (6)
1. a kind of loading machine stable module system, including working barrel (14), multi-way valve (11), control unit (8), pilot valve
(5) it is connect respectively with multi-way valve (11) and pilot valve (5) with executive component, the working barrel (14), multi-way valve (11) and execution
Element connection, it is characterised in that: including stable module (6), stable module accumulator (7) and pressure switch (10), the stabilization
Module (6) is connect with stable module accumulator (7) and executive component respectively, the pilot valve (5) respectively with pressure switch (10)
It is connected with multi-way valve (11), described control unit (8) is connect with stable module (6) and pressure switch (10) respectively.
2. loading machine according to claim 1 stable module system, it is characterised in that: the loading machine stable module
System includes leading oil source control valve (2) and adjustable pollution discharge pipe device (3), the leading oil source control valve (2) respectively with working barrel
(14), adjustable pollution discharge pipe device (3) and pilot valve (5) connection.
3. loading machine according to claim 2 stable module system, it is characterised in that: the loading machine stable module
System includes power switch (9), and the power switch (9) connect with control unit (8).
4. loading machine according to claim 3 stable module system, it is characterised in that: the loading machine stable module
System further includes filter (4) and return filter (15), and the oil inlet of filter (4) is connect with leading oil source control valve (2),
Oil outlet is connect with pilot valve (5)；The oil inlet of return filter (15) is connect with multi-way valve (11), and oil outlet takes back oil pipe
Road.
5. loading machine according to any one of claims 1-4 stable module system, it is characterised in that: described to execute member
Part includes boom cylinder (12) and rotary ink tank (13), and multi-way valve (11) connects with boom cylinder (12) and rotary ink tank (13) respectively
It connects.
6. loading machine according to claim 1 stable module system, it is characterised in that: the pressure switch (10) is equipped with
Four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820987300.7U CN208346895U (en) | 2018-06-25 | 2018-06-25 | Loading machine stable module system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820987300.7U CN208346895U (en) | 2018-06-25 | 2018-06-25 | Loading machine stable module system |
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| Publication Number | Publication Date |
|---|---|
| CN208346895U true CN208346895U (en) | 2019-01-08 |
Family
ID=64881878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820987300.7U Active CN208346895U (en) | 2018-06-25 | 2018-06-25 | Loading machine stable module system |
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| Country | Link |
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| CN (1) | CN208346895U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678062A (en) * | 2018-06-25 | 2018-10-19 | 山东临工工程机械有限公司 | Loading machine stable module system |
-
2018
- 2018-06-25 CN CN201820987300.7U patent/CN208346895U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678062A (en) * | 2018-06-25 | 2018-10-19 | 山东临工工程机械有限公司 | Loading machine stable module system |
| CN108678062B (en) * | 2018-06-25 | 2023-12-15 | 山东临工工程机械有限公司 | Stable module system for loader |
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