CN105443373B - Piston lubricating system of concrete cylinder, control method and device thereof and pumping equipment - Google Patents
Piston lubricating system of concrete cylinder, control method and device thereof and pumping equipment Download PDFInfo
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- CN105443373B CN105443373B CN201410414362.5A CN201410414362A CN105443373B CN 105443373 B CN105443373 B CN 105443373B CN 201410414362 A CN201410414362 A CN 201410414362A CN 105443373 B CN105443373 B CN 105443373B
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 36
- 238000005086 pumping Methods 0.000 title claims abstract description 31
- 238000005461 lubrication Methods 0.000 claims abstract description 378
- 239000007789 gas Substances 0.000 claims description 85
- 230000000903 blocking effect Effects 0.000 claims description 64
- 230000008676 import Effects 0.000 claims description 49
- 238000012545 processing Methods 0.000 claims description 18
- 239000004519 grease Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 8
- 239000000112 cooling gas Substances 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 3
- 208000032750 Device leakage Diseases 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 53
- 239000010687 lubricating oil Substances 0.000 abstract description 16
- 208000035874 Excoriation Diseases 0.000 description 27
- 238000005299 abrasion Methods 0.000 description 27
- 241001024099 Olla Species 0.000 description 9
- 238000011010 flushing procedure Methods 0.000 description 8
- 239000000314 lubricant Substances 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 230000015271 coagulation Effects 0.000 description 4
- 238000005345 coagulation Methods 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
The invention relates to the technical field of engineering machinery, and discloses a piston lubricating system of a concrete cylinder, a control method and a control device of the piston lubricating system and pumping equipment of the concrete cylinder. The system includes a lubrication pump; a concrete cylinder having a lubrication hole; the hydraulic lubricating device is provided with an oil inlet and an oil outlet, and the oil inlet is connected with the lubricating oil pump; characterized in that, the piston lubricating system still includes: the hydraulic lubricating device comprises an air source, a pressure-controlled switch valve and a switch valve, wherein the pressure-controlled switch valve is provided with a first inlet, a second inlet and an outlet, the first inlet is connected with an oil outlet of the hydraulic lubricating device, and the outlet is connected with a lubricating hole; the air inlet of the switch valve is connected with an air source, and the air outlet of the switch valve is connected with the second inlet; when the switch valve is switched on, the gas of the gas source enters the lubricating hole through the pressure control switch valve.
Description
Technical field
The present invention relates to technical field of engineering machinery, pistion lubrication system and its control more particularly to a kind of concrete cylinder
Method, apparatus processed and pumping equipment.
Background technology
Concrete pump and concrete mixer are widely used in the concrete of the large-sized concrete such as high building, high speed, viaduct factory
Transportation work, mainly realized by main oil pump, two master cylinders, two concrete cylinders, S valves and tilt cylinder, main oil pump control two
The piston of individual master cylinder acts along opposite direction, drives the piston of two concrete cylinders to be acted along opposite direction, from
And concrete is sucked into the rodless cavity of concrete cylinder or the concrete in rodless cavity is pushed into the feeding mouth of S valves, S valves are by tilt cylinder
Driving, alternately the rodless cavity with two concrete cylinders connects, continuous defeated to realize so as to which concrete is sent into material delivery pipe
Send concrete.In order to prevent pumping open after due to concrete pump piston reciprocating abrasion, existing concrete
Pump and concrete mixer are typically designed with the pistion lubrication system of concrete cylinder.
As shown in figure 1, the pistion lubrication system of existing concrete cylinder includes:Two-wire oil header 3 ' and two tools
There is the concrete cylinder 2 of lubrication hole 21, lubricating oil alternately enters two-wire by the oil inlet A and B of two-wire oil header and lubricated
Oil dispenser, so it is not defeated to commutating at two oil-out C and D alternating output lubricating oil to the lubrication holes of two concrete cylinders
The piston for going out the concrete cylinder of concrete is lubricated.
Prior art has a drawback in that, in concrete pump and the concrete mixer course of work, lubricating system mainly according to
Lubrication piping is rinsed by the instantaneous pressure of lubricating oil itself, however, when Severe blockage occurs in the lubrication hole of concrete cylinder
When so that two-wire oil header can not normal work, so as to which the piston led to not to concrete cylinder is lubricated, increase
The abrasion risk of concrete cylinder.
The content of the invention
The invention provides a kind of pistion lubrication system of concrete cylinder and its control method, device and pumping equipment, uses
To prevent the lubrication piping of the pistion lubrication system of concrete cylinder from blocking, and then reduce the abrasion risk of concrete cylinder.
The pistion lubrication system of concrete cylinder provided by the invention, including:
Grease pump;
Concrete cylinder with lubrication hole;
Hydrodynamic lubrication device, has oil inlet and oil-out, and the oil inlet is connected with the grease pump;
The pistion lubrication system also includes:Source of the gas, votage control switch valve and switch valve,
The votage control switch valve, there is the first import, the second inlet and outlet, first import and the hydrodynamic lubrication
The oil-out of device is connected, and the outlet is connected with the lubrication hole;
The air inlet of the switch valve is connected with the source of the gas, the gas outlet of the switch valve and the second import phase
Even;When the switch valve turns on, the gas of the source of the gas enters the lubrication hole through the votage control switch valve.
In technical solution of the present invention, when switch valve turns on, the gas of source of the gas enters lubrication hole through votage control switch valve, to profit
Slip pipe road carries out gas bleed, so as to prevent the blocking of lubrication piping and lubrication hole, has ensured the piston lubrication to concrete cylinder
It is unobstructed, and then reduce the abrasion risk of concrete cylinder.
In order to improve the automaticity of pistion lubrication system gas bleed provided by the invention, it is preferred that the switch
Valve is electromagnetic switch valve;The pistion lubrication system also includes:
Control device, it is connected with the electromagnetic switch valve signal, for exporting open signal to electromagnetic switch valve, makes described
Electromagnetic switch valve turns on.
Preferably, the open signal is periodicity open signal, the control device, specifically for when the concrete
During the piston commutation output concrete of cylinder, the of the electromagnetic switch valve is determined according to the piston of the concrete cylinder current commutation cycle
One, which opens the cycle and first, opens the duration, and is opened and continued according to the first of the electromagnetic switch valve the unlatching cycle and first
Time exports open signal to electromagnetic switch valve, make described in the electromagnetic switch valve conduction first open the duration and with
Described first opens cycle progress periodicity conducting.
Effectively lubrication piping can be rinsed while the gas of source of the gas is saved using the technical program, so as to
The blocking of lubrication piping and lubrication hole is prevented, has ensured that the piston lubrication to concrete cylinder is unobstructed, and then reduces concrete cylinder
Wear risk.
Preferably, concrete cylinder and the votage control switch valve is respectively two, the outlet point of described two votage control switch valves
Lubrication hole not with described two concrete cylinders is connected;The hydrodynamic lubrication device is two-wire oil header, the two-wire
Two oil inlets of oil header are connected with the grease pump respectively, and two of the two-wire oil header are fuel-displaced
First import of the mouth respectively with described two votage control switch valves is connected;The electromagnetic switch valve is the electricity with two operating positions
Magnetic reversal valve, described two operating positions correspond to described two concrete cylinders and are connected to the source of the gas and second import
Between.
The technical program is realized in concrete continuous pumping procedure, the flushing to the pistion lubrication system of concrete cylinder,
So as to effectively prevent the lubrication piping of the pistion lubrication system of concrete cylinder from blocking, and then reduce the abrasion wind of concrete cylinder
Danger.
Preferably, the pistion lubrication system also includes:The tilt cylinder that swingable S valves and driving S valves is swung, the S
The feeding mouth of valve can replace to be connected with the rodless cavity of described two concrete cylinders or rod chamber, and the discharging opening of the S valves can be with thing
Material conveying tube connects;
The control device determines that the first of the electromagnetic switch valve opens according to the piston current commutation cycle of concrete cylinder
Open the cycle and first and open the duration, the electromagnetic switch valve is specially determined according to the current commutation cycle of the tilt cylinder
First, which opens the cycle and first, opens the duration.
Preferably, the pistion lubrication system also includes:
Flow detector, it is serially connected between the oil-out of first import and the hydrodynamic lubrication device, for examining
Survey the flow of lubrication for lubricating the concrete cylinder each time;
The control device, further it is connected with the flow detector signal, for connecting when the flow of lubrication
When continuous first setting number is less than the blocking Alarm flow of setting, the is determined according to the first of the electromagnetic switch valve the unlatching cycle
Two open the cycle, and determine for the second unlatching duration according to the first of the electromagnetic switch valve the unlatching duration;According to institute
State the second unlatching cycle and second and open duration output open signal to electromagnetic switch valve, turn on the electromagnetic switch valve
Continue described second to open the duration and open cycle progress periodicity conducting with described second, wherein, described second opens
Duration is more than described first and opens the duration.
The pistion lubrication system that the technical program provides can be according to flow of lubrication in real time to the gas of lubrication piping
The unlatching cycle and unlatching duration of flushing are adjusted, that is, realize and block pretreatment, so as to effectively prevent lubrication piping
Blocking, so as to reduce the abrasion risk of concrete cylinder.
Preferably, the pistion lubrication system also includes:Flow detector and warning device, wherein,
The flow detector, it is serially connected between the oil-out of first import and the hydrodynamic lubrication device, uses
The flow of lubrication of the concrete cylinder is lubricated each time in detection;
The control device, further it is connected respectively with the flow detector and warning device signal, for working as
State the continuous second setting number of flow of lubrication be less than setting leakage Alarm flow and continuous 3rd setting number not less than setting
During fixed blocking Alarm flow, output leakage alarm signal to the warning device, the warning device is set to send leakage alarm.
The pistion lubrication system that the technical program provides can detect whether that lubrication occur reveals and send leakage in real time
Alarm, effectively prevent because of the oil leakage can not the situation of effectively lubricating occur.
Preferably, the pistion lubrication system also includes:Flow detector and warning device, wherein,
The flow detector, it is serially connected between the oil-out of first import and the hydrodynamic lubrication device, uses
The flow of lubrication of the concrete cylinder is lubricated each time in detection;
The control device, further it is connected respectively with the flow detector and warning device signal, for working as
When stating the continuous 4th setting number of flow of lubrication less than the blocking Alarm flow set, output blocks alarm signal to the report
Alarm device, the warning device is set to send blocking alarm.
The technical program can detect whether that lubrication occur blocks and send blocking alarm, effectively prevents because of profit in real time
Sliding block and can not the situation of effectively lubricating occur, so as to reduce the abrasion risk of concrete cylinder.
Preferably, the pistion lubrication system, in addition to:It is connected to the air inlet of the electromagnetic switch valve and the source of the gas
Between pressure-reducing valve.
Preferably, the pistion lubrication system, in addition to:It is connected to the outlet of the votage control switch valve and the lubrication hole
Between screen pack.
Preferably, the votage control switch valve is shuttle valve;Or the votage control switch valve includes cooling gas check valve and liquid list
To valve, the air inlet of the cooling gas check valve and the gas outlet gas outlet with the electromagnetic switch valve and the lubrication hole phase respectively
Even, the air inlet of the liquid non-return valve and the gas outlet oil-out with the hydrodynamic lubrication device and the lubrication hole phase respectively
Even.
Present invention also offers a kind of pumping equipment, include the piston profit of the concrete cylinder described in foregoing any technical scheme
Sliding system, due to the pistion lubrication system of the concrete cylinder can periodically to lubrication piping carry out gas bleed, so as to
The blocking of the lubrication piping and lubrication hole of concrete cylinder is prevented, has ensured that the lubrication of concrete cylinder is unobstructed, and then reduces concrete
The abrasion risk of cylinder, therefore the reliability of the pumping equipment work of the pistion lubrication system with the concrete cylinder is also higher.
Based on identical inventive concept, the present invention also provides a kind of concrete cylinder provided applied to preceding solution
The control method of pistion lubrication system, the switch valve of the pistion lubrication system is electromagnetic switch valve, and the control method includes:
Open signal is exported to electromagnetic switch valve, turns on the electromagnetic switch valve.
Control method provided by the invention can control electromagnetic switch valve to turn on, so as to realize the gas punching to lubrication piping
Wash, prevent the blocking of lubrication piping and lubrication hole, ensured that the piston lubrication to concrete cylinder is unobstructed, and then reduce concrete cylinder
Abrasion risk.
Based on identical inventive concept, the present invention also provides a kind of concrete cylinder provided applied to preceding solution
The control device of pistion lubrication system, the switch valve of the pistion lubrication system is electromagnetic switch valve, and the control device includes:
First processing module, for exporting open signal to electromagnetic switch valve, turn on the electromagnetic switch valve.
Control device provided by the invention can control electromagnetic switch valve to turn on, so as to realize the gas punching to lubrication piping
Wash, prevent the blocking of lubrication piping and lubrication hole, ensured that the piston lubrication to concrete cylinder is unobstructed, and then reduce concrete cylinder
Abrasion risk.
Brief description of the drawings
Fig. 1 is the structural representation of the pistion lubrication system of existing concrete cylinder;
Fig. 2 is the structural representation of the pistion lubrication system first embodiment of concrete cylinder of the present invention;
Fig. 3 is the structural representation of the pistion lubrication system second embodiment of concrete cylinder of the present invention;
Fig. 4 be second embodiment of the invention concrete cylinder pistion lubrication system in the embodiment of control device one work
Process schematic;
Fig. 5 is the structural representation of the pistion lubrication system 3rd embodiment of concrete cylinder of the present invention;
Fig. 6 works for control device first embodiment in the pistion lubrication system of the concrete cylinder of third embodiment of the invention
Process schematic;
Fig. 7 be third embodiment of the invention concrete cylinder pistion lubrication system in control device second embodiment work
Make process schematic;
Fig. 8 is the structural representation of the pistion lubrication system fourth embodiment of concrete cylinder of the present invention;
Fig. 9 be concrete cylinder of the present invention the embodiment of pistion lubrication system the 5th in concrete cylinder delivering concrete structure
Schematic diagram;
Figure 10 is the knot of the embodiment of control device one of the pistion lubrication system provided by the invention applied to concrete cylinder
Structure schematic diagram;
Figure 11 is another embodiment of control device of the pistion lubrication system provided by the invention applied to concrete cylinder
Structural representation.
Reference:
1- grease pump 2- concrete cylinder 21- lubrication holes
2a- the first concrete cylinder the second concrete cylinders of 2b-
3- hydrodynamic lubrication device 4- source of the gas 5- switch valves
The first operating positions of 51- the second operating positions of 52-
6- votage control switch valve 7- control device 8- flow detectors
9- warning device 10-S valve 11- pressure-reducing valves
12- screen pack 13- damping elements
3 '-two-wire oil header
100- first processing module 200- Second processing modules
The processing module 400- fourth processing modules of 300- the 3rd
Embodiment
In order to prevent the lubrication piping of the pistion lubrication system of concrete cylinder from blocking, and then reduce the abrasion wind of concrete cylinder
Danger, the embodiments of the invention provide a kind of pistion lubrication system of concrete cylinder and its control method, device and pumping equipment.
In the technical scheme, the pistion lubrication system includes:Source of the gas, votage control switch valve and switch valve, when switch valve turns on, source of the gas
Gas enters lubrication hole through votage control switch valve, and gas bleed is carried out to lubrication piping, so as to prevent lubrication piping and lubrication hole
Block, ensured that the piston lubrication to concrete cylinder is unobstructed, and then reduce the abrasion risk of concrete cylinder.To make the mesh of the present invention
, technical scheme and advantage it is clearer, the present invention is described in further detail by the following examples.
As shown in Fig. 2 the pistion lubrication system for the concrete cylinder that first embodiment of the invention is provided, including:
Grease pump 1;
Concrete cylinder 2 with lubrication hole 21;
Hydrodynamic lubrication device 3, there is oil inlet A and oil-out C, oil inlet A to be connected with grease pump 1 and with concrete cylinder
2 piston commutation cycle turns on for the cycle;
The pistion lubrication system also includes:Source of the gas 4, votage control switch valve 6 and switch valve 5,
Votage control switch valve 6, there is the first import E, the second import F and outlet G, the first import E and hydrodynamic lubrication device 3
Oil-out C is connected, and outlet G is connected with lubrication hole 21;
The air inlet of switch valve 5 and gas outlet are connected with the import F of source of the gas 4 and second respectively;
When switch valve 5 turns on, the gas of source of the gas 4 enters lubrication hole 21 through votage control switch valve 6.
It should be noted that votage control switch valve 6 refers to that the pressure at the first import E reaches the first Opening pressure of setting
When, turned between the first import E of votage control switch valve 6 and outlet G, what the pressure at the second import F reached setting second opens
When opening pressure, turned between the second import F and outlet G of votage control switch valve 6.First Opening pressure and the second Opening pressure are specific
Determined according to the structure of the pistion lubrication system and requirement;First import E is connected with the oil-out C of hydrodynamic lubrication device 3,
Now the first import E is oil inlet, and the second import F is connected with source of the gas 4, and now the second import F is air inlet.
Grease pump 1 can be the main oil pump for realizing concrete pumping;Source of the gas 4 can be to be separately provided, when the embodiment
When the pistion lubrication system of the concrete cylinder of offer is applied to concrete mixer, source of the gas 4 can also be chassis source of the gas, not do herein
It is specific to limit;
The length of the lubricating pipe that first import E is connected with the oil-out of hydrodynamic lubrication device 3 and internal diameter with specific reference to
The pattern of pistion lubrication system and empirically determined, is defined by the effectively lubricating for meeting pistion lubrication system, does not do specific limit herein
It is fixed, such as length can be 1.5m, internal diameter can be 4mm;
When pistion lubrication system in the present embodiment is lubricated concrete cylinder, the lubricating oil of grease pump 1 is with concrete cylinder
Commutation cycle of piston enter hydrodynamic lubrication device 3 from the oil inlet A of hydrodynamic lubrication device for the cycle, and from hydrodynamic lubrication dress
Put 3 oil-out C enter votage control switch valve 6 the first import E, exported from the outlet G of votage control switch valve 6 to concrete cylinder 2
The piston lubrication to concrete cylinder 2 is realized at lubrication hole 21;
When switch valve 5 opens conducting, the gas of source of the gas 4 enters the second import F of votage control switch valve 6 by switch valve 5, and
Enter the lubrication hole 21 of concrete cylinder 2 from the outlet G of votage control switch valve 6, realize the outlet G of votage control switch valve 6 to concrete cylinder 2
Lubrication hole 21 between lubrication piping gas bleed;
From the above-mentioned course of work, the pistion lubrication system for the concrete cylinder that the present embodiment provides can be to lubrication piping
Gas bleed is carried out, so as to prevent the blocking of lubrication piping and lubrication hole, has ensured that the piston lubrication to concrete cylinder is unobstructed, has entered
And reduce the abrasion risk of concrete cylinder;
Also, the votage control switch valve in the pistion lubrication system that this implementation provides can effectively realize oil gas isolation, from
And the reliability of pistion lubrication system work has been ensured, while compared to prior art, in pumping equipment shutdown, standby or lubrication
Tempus intercalare, the lubricating oil in lubrication piping cause because gravity is lost in naturally pumping open after before several cycle inner concrete cylinders
Piston cannot get effectively lubricating, the pistion lubrication system that this implementation provides is provided with votage control switch valve, and lubricating oil can only be from the
One import enters votage control switch valve and exported from outlet, and back pressure, energy are provided in pumping equipment shutdown, standby or lubrication tempus intercalare
Enough situations for effectively preventing that the lubricating oil in lubrication piping from occurring nature loss because of gravity occur, so as to ensure that pumping is opened
The effectively lubricating of the interior piston to concrete cylinder of preceding several cycles after opening, and then reduce the abrasion risk of concrete cylinder.
As shown in figure 3, in order to improve the automaticity of pistion lubrication system gas bleed provided by the invention, above-mentioned
On the basis of embodiment, as the second embodiment of the present invention, the switch valve in the pistion lubrication system is electromagnetic switch valve, and
The pistion lubrication system also includes:Control device 7, it is connected with electromagnetic switch valve signal, is opened for exporting open signal to electromagnetism
Valve is closed, turns on electromagnetic switch valve.
When needing the lubrication piping to pistion lubrication system to carry out gas bleed, control device 7 exports open signal extremely
Electromagnetic switch valve, turn on electromagnetic switch valve, now, the gas of source of the gas enters lubrication hole through votage control switch valve realizes lubrication management
The gas bleed in road, therefore, the automaticity of pistion lubrication system gas bleed is effectively improved, improves unlatching electromagnetism and open
The control accuracy of valve is closed, and then improves the reliability of the work of pistion lubrication system.
The gas further contemplated stored by source of the gas is limited, therefore the 3rd as pistion lubrication system of the invention is real
Example is applied, on the basis of previous embodiment, the open signal of control device output is periodicity open signal, control device 7, is had
Body is used to, when the piston commutation output concrete of concrete cylinder, electromagnetism is determined according to the piston of the concrete cylinder current commutation cycle
The first of switch valve opens the cycle and first and opened the duration, and is opened according to the first of electromagnetic switch valve the unlatching cycle and first
Opening the duration exports open signal to electromagnetic switch valve, electromagnetic switch valve conduction first is opened the duration and with the
One opens cycle progress periodicity conducting.
The piston current commutation cycle in the present embodiment according to concrete cylinder determines the first of switch valve 5 (electromagnetic switch valve)
When opening cycle and the first unlatching duration, can effectively be carried out while the gas of source of the gas is saved to lubrication piping
Rinse to determine criterion, the pattern and experiment with specific reference to pistion lubrication system determine the piston current commutation cycle of concrete cylinder
The cycle and first is opened with the first of electromagnetic switch valve and opens the corresponding relation of duration, and the corresponding relation is stored in control
In device processed, and then control device determines that the first of electromagnetic switch valve opens week according to the piston current commutation cycle of concrete cylinder
Phase and first opens the duration.
Certainly, it is contemplated that the moisture content of pumped concrete medium, grid are used as lubrication hole plug complexity
Foundation, therefore control device can also determine electromagnetic switch according to the moisture content of pumped concrete medium, grid
The first of valve opens the cycle and first and opens the duration.
Control device in the present embodiment exports first and opens week according to piston current commutation cycle of concrete cylinder
Phase and first opens duration output open signal to electromagnetic switch valve, opens electromagnetic switch valve conduction first and continues
Time and with first open the cycle carry out periodicity conducting, save source of the gas gas while effectively to lubrication piping carry out
Rinse, so as to prevent the blocking of lubrication piping and lubrication hole, ensured that the piston lubrication to concrete cylinder is unobstructed, and then reduce mixed
The abrasion risk of solidifying olla.
During concrete cylinder pump concrete, because operating mode is different, the piston of concrete cylinder commutates with after first
The commutation cycle of continuous commutation is possible to different, and the follow-up commutation cycle commutated each time is also possible to difference, in order to ensure pair
The flushing of lubricating pipe is carried out during concrete cylinder exports concrete, below with a specific fourth embodiment explanation
The pistion lubrication system of concrete cylinder.
On the basis of foregoing any embodiment, the control device 7 for the pistion lubrication system that the embodiment provides, for mixing
Solidifying olla begins pumping concrete, when the preparation that commutates first of the piston of concrete cylinder starts to export concrete and continues the first setting
During the time, output open signal to switch valve 5 (electromagnetic switch valve) and continues the second setting time, makes (the electromagnetic switch of switch valve 5
Valve) the second setting time of conduction;When the piston of concrete cylinder subsequently commutate preparation start export concrete when, according to coagulation
When the piston current commutation cycle of olla determines that the first unlatching cycle of switch valve 5 (electromagnetic switch valve) and the first unlatching continue
Between, and open signal is exported to opening according to the first of switch valve 5 (electromagnetic switch valve) the unlatching cycle and the first unlatching duration
Valve 5 (electromagnetic switch valve) is closed, switch valve 5 (electromagnetic switch valve) conduction first is opened the duration and opens week with first
Phase carries out periodicity conducting.
The course of work of the pistion lubrication system for the concrete cylinder that the present embodiment provides is as shown in Figure 4:
Step 401:Concrete cylinder begins pumping concrete;
Step 402:When the preparation that commutates first of the piston of concrete cylinder starts to export concrete and continues the first setting time
When, output open signal to electromagnetic switch valve and continues the second setting time, when making the setting of electromagnetic switch valve conduction second
Between;
In step 402, the concrete pumping system of the first setting time and the second setting time with specific reference to pumping equipment
Model and empirically determined, realize votage control switch valve during concrete cylinder commutates output concrete first that can ensure
The lubrication piping being exported between the lubrication hole of concrete cylinder gas bleed.For example, the first setting time is 0.2s, second
Setting time is t0, i.e. concrete cylinder commutate first preparation start export concrete, timing 0.2s, votage control switch valve is gone out
Mouth to the lubrication piping between the lubrication hole of concrete cylinder carries out a gas bleed, duration t0;
Step 403:When the piston of concrete cylinder subsequently commutate preparation start export concrete when, according to the work of concrete cylinder
Fill in the current commutation cycle determine electromagnetic switch valve first open the cycle and first open the duration;
Step 404:The cycle and first, which is opened, according to the first of electromagnetic switch valve opens duration output open signal extremely
Electromagnetic switch valve, electromagnetic switch valve conduction first is set to open the duration and with the first unlatching cycle periodically lead
It is logical.
In step 403 and step 404, the piston of concrete cylinder, because operating mode is different, mixes during follow-up commutation work
The piston commutation cycle of solidifying olla is possible to different, in order to ensure that the flushing to lubricating pipe is to export coagulation in concrete cylinder
Carried out in the process of soil, it is necessary to determine that the first of electromagnetic switch valve opens the cycle according to the piston current commutation cycle of concrete cylinder
T1 and first opens duration t1, and control device controls electromagnetic switch valve to be opened according to the first unlatching cycle T 1 and opened every time
Continue the first unlatching duration t1, realize the gas bleed of the lubrication piping to the pistion lubrication system of concrete cylinder.
From the above-mentioned course of work, the pistion lubrication system for the concrete cylinder that the present embodiment provides can be according to concrete
The piston commutation cycle of cylinder and then the progress periodically gas bleed to lubrication piping, so as to prevent lubrication piping and lubrication hole
Blocking, ensured that the piston lubrication to concrete cylinder is unobstructed, so reduce concrete cylinder abrasion risk.
Further, as shown in figure 5, fifth embodiment of the invention provide concrete cylinder pistion lubrication system, foregoing
On the basis of embodiment, in addition to:
Flow detector 8, it is serially connected between the first import E and the oil-out C of hydrodynamic lubrication device 3, it is every for detecting
Once lubricate the flow of lubrication of concrete cylinder 2;
Control device 7, further it is connected with the signal of flow detector 8, for when continuous first setting of flow of lubrication
When number is less than the blocking Alarm flow of setting, the second unlatching cycle was determined according to the first of electromagnetic switch valve the unlatching cycle, and
Second unlatching duration was determined according to the first of electromagnetic switch valve the unlatching duration;Opened according to the second unlatching cycle and second
Opening the duration exports open signal to electromagnetic switch valve, electromagnetic switch valve conduction second is opened the duration and with the
Two open cycle progress periodicity conducting, wherein, second, which opens the duration, opens the duration more than first.
The pistion lubrication system that this implementation provides can be according to the flow of lubrication gas bleed to lubrication piping in real time
The unlatching cycle and open the duration and be adjusted, that is, realize and block pretreatment, so as to effectively prevent the stifled of lubrication piping
Plug, so as to reduce the abrasion risk of concrete cylinder.
Further, shown in reference picture 5, the pistion lubrication system for the concrete cylinder that sixth embodiment of the invention provides, preceding
On the basis of stating embodiment, in addition to:
Flow detector 8 and warning device 9, wherein,
Flow detector 8 is serially connected between the first import E and the oil-out C of hydrodynamic lubrication device 3, each for detecting
The flow of lubrication of secondary lubrication concrete cylinder 2;
Control device 7, further it is connected respectively with flow detector 8 and the signal of warning device 9, for when lubrication oil stream
Continuous second setting number is measured less than the leakage Alarm flow of setting and continuous 3rd setting number is not less than the blocking police set
When guarding against flow, output leakage alarm signal to warning device, warning device is set to send leakage alarm.
The pistion lubrication system that this implementation provides can detect whether that lubrication occur reveals and send leakage alarm in real time,
Effectively prevent because of the oil leakage can not the situation of effectively lubricating occur, improve the reliability of pistion lubrication system operation.
With continued reference to shown in Fig. 5, the pistion lubrication system for the concrete cylinder that seventh embodiment of the invention provides, in foregoing reality
On the basis of applying example, in addition to:
Flow detector 8 and warning device 9, wherein,
Flow detector 8 is serially connected between the first import E and the oil-out C of hydrodynamic lubrication device 3, each for detecting
The flow of lubrication of secondary lubrication concrete cylinder 2;
Control device 7, further it is connected respectively with flow detector 8 and the signal of warning device 9, for when lubrication oil stream
When measuring continuous 4th setting number less than the blocking Alarm flow set, output blocks alarm signal to warning device, makes alarm
Device sends blocking alarm.
The present embodiment can detect whether that lubrication occur blocks and send blocking alarm, effectively prevents because of lubrication in real time
Block and can not effectively lubricating situation occur, so as to reduce the abrasion risk of concrete cylinder.
It should be noted that previously described embodiments of the present invention can be combined as needed, corresponding work(is made it have
Energy.Illustrated with preferably the 8th embodiment of wherein several function combinations in above-mentioned multiple functions, shown in reference picture 5, this
The pistion lubrication system for the concrete cylinder that embodiment provides, on the basis of previous embodiment, in addition to:Flow detector 8
With warning device 9, wherein,
Flow detector 8 is serially connected between the first import E and the oil-out C of hydrodynamic lubrication device 3, each for detecting
The flow of lubrication of secondary lubrication concrete cylinder 2;
Control device 7, further it is connected respectively with flow detector 8 and the signal of warning device 9, for when lubrication oil stream
Continuous second setting number is measured less than the leakage Alarm flow of setting and continuous 3rd setting number is not less than the blocking police set
When guarding against flow, output leakage alarm signal to warning device 9, warning device 9 is set to send leakage alarm;When flow of lubrication is continuous
When first setting number is less than the blocking Alarm flow of setting, it is true to open the cycle according to the first of switch valve 5 (electromagnetic switch valve)
When determining second to open the cycle, and determining that the second unlatching continues according to the first of switch valve 5 (electromagnetic switch valve) the unlatching duration
Between, open the cycle and second according to second and open duration output open signal to switch valve 5 (electromagnetic switch valve), make switch
Valve 5 (electromagnetic switch valve) conduction second opens the duration.
The leakage Alarm flow of setting and the blocking Alarm flow of setting are equally with specific reference to the specific of pistion lubrication system
Pattern and empirically determined, is not specifically limited herein.In pistion lubrication system provided by the invention, hydrodynamic lubrication device enters
Hydraulic fluid port is connected with grease pump and turned on using the piston commutation cycle of concrete cylinder as the cycle, when pistion lubrication system normal work
When, it is assumed that hydrodynamic lubrication device is single line distributor, and single line distributor acts once, and the action cycle is certain, then passes through single line point
The given volume of the lubricating oil of the oil-out of orchestration, exports that the flow of lubricating oil is certain, and therefore, flow of lubrication can characterize work
The working condition of lubricating system is filled in, the fluid flow defined when characterizing pistion lubrication system normal work is rated flow value.Example
Such as, when locally leakage or hydrodynamic lubrication device produce larger abrasion to lubrication piping, it is possible to cause lubrication flow to reduce, because
This, the leakage Alarm flow of setting can between the first import and the oil-out of hydrodynamic lubrication device lubrication piping rated flow
The 60% of value;When lubricating hole plug, it is possible to cause flow of lubrication wretched insufficiency, can make when serious hydrodynamic lubrication device without
Action, now flow of lubrication is zero, it is contemplated that the precision of flow detection, the blocking Alarm flow of setting can be the first import
The 10% of lubrication piping rated flow value between the oil-out of hydrodynamic lubrication device.
The concrete form of flow detector 8 is unlimited, such as can be electronic flowmeter;First setting number, second set
Determine number and the 3rd setting number can be with identical, can also be different, with specific reference to the specific pattern and experience of pistion lubrication system
It is determined that such as the first setting number, the second setting number and the 3rd setting number are 3 times;Similarly, the 4th setting number is specific
According to the specific pattern of pistion lubrication system and empirically determined, such as it can be 5 times.
For same pistion lubrication system, illustrate the present embodiment so that the first setting number and the 3rd setting number are equal as an example
Workflow, as shown in fig. 6, including:
Step 601:Concrete cylinder begins pumping concrete;
Step 602:When the preparation that commutates first of the piston of concrete cylinder starts to export concrete and continues the first setting time
When, output open signal to electromagnetic switch valve and continues the second setting time, when making the setting of electromagnetic switch valve conduction second
Between;
Step 603:When the piston of concrete cylinder subsequently commutate preparation start export concrete when, according to the work of concrete cylinder
Fill in the current commutation cycle determine electromagnetic switch valve first open the cycle and first open the duration;
Step 604:The cycle and first, which is opened, according to the first of electromagnetic switch valve opens duration output open signal extremely
Electromagnetic switch valve, electromagnetic switch valve conduction first is set to open the duration.
Step 605:Judge that the whether continuous second setting number (such as 3 times) of flow of lubrication is less than the leakage warning of setting
Flow, if it is, performing step 606, otherwise, perform step 603;
Step 606:Judge that the whether continuous first setting number (such as 3 times) of flow of lubrication is less than the blocking warning of setting
Flow, if it is, performing step 607, otherwise, perform step 608;
Step 607:Second unlatching cycle was determined according to the first of electromagnetic switch valve the unlatching cycle, and according to electromagnetic switch valve
First unlatching the duration determined for the second unlatching duration, according to second open the cycle and second open the duration output
Open signal makes electromagnetic switch valve conduction second open the duration to electromagnetic switch valve;
In step 607, determine that the method in the second unlatching cycle has a variety of, example according to the first of electromagnetic switch valve the unlatching cycle
Such as cycle reduction the first setting increment can be opened according to first, such as T1 reduces 20%, is not specifically limited herein, specific root
Determined according to the pattern of pistion lubrication system, disclosure satisfy that the intermittent time for shortening electromagnetic switch valve effectively to enter to lubricant passage way
Row rinses;It is a variety of to determine that the method for the second unlatching duration has according to the first of electromagnetic switch valve the unlatching duration,
Such as duration increase the second setting increment, such as t1 increases by 10% can be opened according to first, it is not specifically limited herein,
Determined with specific reference to the pattern of pistion lubrication system, disclosure satisfy that the opening time for extending each electromagnetic switch valve with effectively right
Lubricant passage way is rinsed.
Step 608:Output leakage alarm signal makes warning device send leakage alarm to warning device.
Now, after sending leakage alarm, artificially control pumping equipment downtime can be taken and overhauled, can also be controlled
Device sends stopping signal, control pumping equipment downtime, and the part that operating personnel can influence flow of lubrication to equipment is carried out
Maintenance, such as the visible leak point of lubrication piping or hydrodynamic lubrication device.
From the above-mentioned course of work, the pistion lubrication system that this implementation provides can detect whether to lubricate in real time
Reveal and send leakage alarm, effectively prevent because of the oil leakage can not the situation of effectively lubricating occur;And being capable of root
It is adjusted, that is, realizes according to the unlatching cycle and unlatching duration of the flow of lubrication gas bleed to lubrication piping in real time
Pretreatment is blocked, so as to effectively prevent the blocking of lubrication piping, so as to reduce the abrasion risk of concrete cylinder.
It is real the 8th in the pistion lubrication system that ninth embodiment of the invention provides further with continued reference to shown in Fig. 6
Apply and function superposition is carried out on the basis of example, that is to say, that control device 7, be further used for when flow of lubrication the continuous 4th is set
When determining number less than the blocking Alarm flow set, output blocks alarm signal to warning device 9, sends warning device 9 stifled
Plug alarm.
That is, the workflow of the control device 7 in the present embodiment also includes:
Step 609:Judge that the whether continuous 4th setting number (such as 5 times) of flow of lubrication is less than the blocking warning of setting
Flow, if it is, performing step 610;If the judgment is No, control device can repeat step 605 and judge to lubricate oil stream
The whether continuous second setting number (such as 3 times) of amount, which is less than the leakage Alarm flow of setting or performs step 606, judges lubrication
The whether continuous first setting number (such as 3 times) of oil stream amount is less than the blocking Alarm flow of setting, and takes appropriate measures.
Step 610:Output blocks alarm signal to warning device, warning device is sent blocking alarm, sends blocking report
After police, artificially control pumping can be taken equipment downtime and to overhaul, can also control device send stopping signal, controlling pump
Equipment downtime is sent, operating personnel can influence the part that flow of lubrication even blocks on equipment and overhaul, such as concrete
The pass blocking of the piston hole of cylinder.
From above-mentioned work, the present embodiment can detect whether that lubrication occur blocks and send blocking alarm in real time,
Effectively prevent because lubricate block can not effectively lubricating situation occur, so as to reduce the abrasion risk of concrete cylinder.
, can be to pistion lubrication system before pump concrete in order to further reduce the abrasion risk of concrete cylinder
Lubrication piping carry out leakage self-test, tenth embodiment of the invention control device 7, enters one on the basis of foregoing embodiments
Walk and be used in the setting time of concrete cylinder operation duration the 3rd and non-pump concrete, when the piston of concrete cylinder commutates first
And when continuing the first setting time, output open signal to electromagnetic switch valve and continues the second setting time, makes electromagnetic switch valve
The setting time of conduction second;It is defeated when the continuous second setting number of flow of lubrication is less than the leakage Alarm flow of setting
Go out to reveal alarm signal to warning device, warning device is sent leakage alarm.
3rd setting time is unlimited, is determined with specific reference to the specific pattern of pistion lubrication system, for example, the 3rd setting time
It could be arranged to:The piston reciprocating commutation cycle of concrete cylinder is 1.5s, reciprocal 10 times.Set in concrete cylinder operation duration the 3rd
Fix time and during non-pump concrete, that is to say, that concrete cylinder works but continues the 3rd setting time, coagulation before not pumping
When the piston of olla commutates and continues the first setting time first, when carrying out lasting second setting to the lubricating pipe of concrete cylinder
Between flushing;And when the continuous second setting number of flow of lubrication is less than the leakage Alarm flow of setting, output leakage report
Alert signal makes warning device send leakage alarm to warning device.
That is, the control device 7 in the present embodiment does not pump in the setting time of concrete cylinder operation duration the 3rd and
Concrete performs following workflow during this, specifically includes as shown in Figure 7:
Step 701:When the piston of concrete cylinder commutates first and continues the first setting time, output open signal to electricity
Magnetic switch valve and continue the second setting time, make the setting time of electromagnetic switch valve conduction second;
Step 702:Judge that the whether continuous second setting number of flow of lubrication is less than the leakage Alarm flow of setting, if
It is to perform step 703, if the judgment is No, then explanation lubrication is normal;
Step 703:Output leakage alarm signal makes warning device send leakage alarm to warning device;
It follows that the present embodiment before pump concrete, can be let out to the lubrication piping of pistion lubrication system
Reveal self-test, can not effectively lubricating so as to effectively prevent the pistion lubrication system of concrete cylinder after pumping starts from occurring revealing
Situation occur, and then reduce concrete cylinder abrasion risk.
As the another preferred embodiment of the present invention, on the basis of previous embodiment, control device 7, it is further used for
When the continuous 4th setting number of flow of lubrication is less than the blocking Alarm flow of setting, output blocks alarm signal and stopping is let out
Reveal alarm signal to warning device 9, warning device 9 is sent blocking and alarm and stop revealing alarm.With continued reference to shown in Fig. 7,
The workflow of control device 7 in the present embodiment also includes:
Step 704:Judge that the whether continuous 4th setting number of flow of lubrication is less than the blocking Alarm flow of setting, if
It is to perform step 705;If the judgment is No, then explanation lubrication is normal;
Step 705:Output blocks alarm signal and stops leakage alarm signal to warning device, sends warning device stifled
Plug is alarmed and stops leakage and alarms.
The present embodiment can carry out blocking self-test before pump concrete to the lubrication piping of pistion lubrication system, from
And effectively prevent pumping start after concrete cylinder pistion lubrication system occur blocking and can not effectively lubricating situation hair
It is raw, and then reduce the abrasion risk of concrete cylinder.
As shown in figure 8, as present invention further optimization embodiment, on the basis of above-mentioned each embodiment, coagulation
Olla 2 and votage control switch valve 6 are respectively two, the outlet G of two votage control switch valves 6 lubrication with two concrete cylinders 2 respectively
Hole 21 is connected;Hydrodynamic lubrication device 3 is two-wire oil header, and two oil inlets A and B of two-wire oil header distinguish
It is connected with grease pump 1, two oil-outs C and D of two-wire oil header enter with the first of two votage control switch valves 6 respectively
Mouth E is connected;Switch valve 5 (electromagnetic switch valve) is the solenoid directional control valve with two operating positions, and two operating positions correspond to two
Individual concrete cylinder 2 is connected between the import F of source of the gas 4 and second.
It is respectively specifically the first concrete cylinder 2a and the second concrete cylinder 2b with two concrete cylinders 2, solenoid directional control valve has
There are the first operating position 51 and the second operating position 52 for corresponding to the first concrete cylinder 2a and the second concrete cylinder 2b respectively, it is assumed that
When solenoid directional control valve is O-shaped reversal valve, the middle position of solenoid directional control valve is not turned on.Hydrodynamic lubrication device 3 is two-wire distribution of lubrication oil
Device, the concrete model of two-wire oil header is unlimited, for example, two oil inlets A, B alternating of two-wire oil header are defeated
Enter pressure oil (pressure is 16~19MPa) periodically from two oil-outs C, D output lubricating oil (pressure is 14.5~
17.5MPa), exemplified by single motion output 0.3ml lubricating oil.The operation principle of the pistion lubrication system of concrete cylinder is:The
During one concrete cylinder 2a commutation output concrete, the first operating position 51 of solenoid directional control valve periodically turns on, and realizes
Flushing to the first concrete cylinder 2a lubricant passage way;During second concrete cylinder 2b commutation output concrete, electromagnetism changes
Periodically turned on to the second operating position 52 of valve, realize the flushing of the lubricant passage way to the second concrete cylinder 2b.The present embodiment
In, hydrodynamic lubrication device 3 can also be progressive oil header.
The detailed process of the pistion lubrication system for the concrete cylinder that the present embodiment provides is as follows:When its of two concrete cylinders
One of the piston preparation that commutates first start to export concrete and when continuing the first setting time, export corresponding concrete cylinder
The commutation signal of operating position conducting and continue the second setting time to solenoid directional control valve, make the corresponding concrete of solenoid directional control valve
The setting time of operating position conduction second of cylinder;And currently changed according to the piston of one of two concrete cylinders
Conducting commutation cycle and the conduction duration of the operating position conducting of corresponding concrete cylinder are determined to the cycle, and is changed according to conducting
The commutation signal turned on to the operating position in cycle and the corresponding concrete cylinder of conduction duration output makes electricity to solenoid directional control valve
The operating position conduction conduction duration of the corresponding concrete cylinder of magnetic reversal valve.
The present embodiment is realized in concrete continuous pumping procedure, the flushing to the pistion lubrication system of concrete cylinder, from
And effectively prevent that the lubrication piping of the pistion lubrication system of concrete cylinder from blocking, and then reduce the abrasion risk of concrete cylinder.
Further, as shown in figure 9, as another preferred embodiment of the present invention provide pistion lubrication system, in addition to:
The tilt cylinder (not shown) that swingable S valves 10 and driving S valves 10 is swung, the feeding mouth of S valves 10 can replace to be mixed with two
The rodless cavity or rod chamber connection, the discharging opening of S valves 10 of solidifying olla 2 can connect with material delivery pipe (not shown);
Control device according to the piston current commutation cycle of concrete cylinder determine electromagnetic switch valve first open the cycle and
First opens the duration, specially determines that the first of electromagnetic switch valve opens cycle and the according to the current commutation cycle of tilt cylinder
One opens the duration.
The pistion lubrication system that the present embodiment provides, the current commutation cycle of tilt cylinder are referred specifically to continuous two in pumping procedure
The electric signal time difference of secondary tilt cylinder commutation, control device determine electromagnetic switch valve according to the piston current commutation cycle of concrete cylinder
First open the cycle and first open the duration, electromagnetic switch valve is specially determined according to the current commutation cycle of tilt cylinder
First, which opens the cycle and first, opens the duration, because the current commutation cycle of tilt cylinder is current compared to the piston of concrete cylinder
Commutation cycle, the cycle of concrete cylinder output concrete can be more accurately reacted, therefore, the present embodiment can improve electromagnetism
The first of switch valve opens the cycle and first and opens the computational accuracy of duration, enables to use gas to pistion lubrication system
The opportunity and washing time that body rinses are more effective, reliable, and then prevent the lubrication piping of the pistion lubrication system of concrete cylinder
Block.
With continued reference to the pistion lubrication system shown in Fig. 5, provided as one embodiment of the present invention, in previous embodiment
On the basis of also include:The pressure-reducing valve 11 being connected between the air inlet and source of the gas 4 of switch valve 5 (electromagnetic switch valve).
Lubricating oil pressure and airline pressure do not limit specifically, in air inlet and the source of the gas 4 of switch valve 5 (electromagnetic switch valve)
Between the pressure-reducing valve 11 that connects, the airline pressure rinsed using gas to pistion lubrication system can be controlled, adjusted to gas circuit pressure
Power is less than the pressure of lubricant passage way, for example, the more a height of 14.5~17.5MPa of lubricating oil pressure, switch valve 5 (electromagnetic switch valve)
Airline pressure between air inlet and source of the gas 4 is 8~10bar, so as to realize the gas bleed to high-tension lubrication oil circuit;Or
Lubricating oil pressure is relatively low, adjust it is suitable with the pressure of lubricant passage way to airline pressure, so as to realize to the piston of concrete cylinder
Gas and oil mixed lubrication.Therefore, the pistion lubrication system for the concrete cylinder that the present embodiment provides can be applied to high-tension lubrication oil circuit
Or low pressure lubricant passage way, have wide range of applications.
Shown in reference picture 5, as the pistion lubrication system of one embodiment of the present invention offer, in the base of previous embodiment
Also include on plinth:The screen pack 12 being connected between the outlet of votage control switch valve 6 and lubrication hole 21.Screen pack 12 in the present embodiment
It can effectively prevent the particulate matter (such as sandstone) in concrete cylinder 2 from entering lubrication piping by lubrication hole 21, and then prevent
Occur causing the situation of insufficient lubrication to occur because lubrication piping blocks.
Shown in reference picture 5, as the pistion lubrication system of one embodiment of the present invention offer, in the base of previous embodiment
Also include on plinth:The damping element 13 being connected between screen pack 12 and lubrication hole 21.Damping element 13 can in the present embodiment
At ensureing lubricating oil with enough flow rate and direction lubrication holes 21, the lubricant effect to the piston of concrete cylinder is effectively ensured.Resistance
The perforate size of Buddhist nun's element do not determine specifically, pattern with specific reference to pistion lubrication system and empirically determined, such as can be
1.5mm。
In various embodiments of the present invention, the particular type of votage control switch valve 6 is unlimited, such as can be shuttle valve;Or reference
Shown in Fig. 8, including cooling gas check valve and liquid non-return valve, the air inlet of cooling gas check valve and gas outlet respectively with switch valve 5
The gas outlet of (electromagnetic switch valve) is connected with lubrication hole 21, and the air inlet of liquid non-return valve and gas outlet fill with hydrodynamic lubrication respectively
3 oil-out is put with lubrication hole 21 to be connected.
The embodiment of the present invention additionally provides a kind of pumping equipment, includes the work of the concrete cylinder of foregoing any embodiment offer
Lubricating system is filled in, because the pistion lubrication system of the concrete cylinder can carry out gas bleed to lubrication piping, so as to prevent mixing
The blocking of the lubrication piping and lubrication hole of solidifying olla, has ensured that the lubrication of concrete cylinder is unobstructed, and then reduces the mill of concrete cylinder
Risk is damaged, therefore the reliability of the pumping equipment work of the pistion lubrication system with the concrete cylinder is also higher.
Based on identical inventive concept, tenth embodiment of the invention additionally provides one kind and carried applied to foregoing any embodiment
The control method of the pistion lubrication system of confession, wherein, the switch valve of pistion lubrication system is electromagnetic switch valve, the control method bag
Include:
Step 1:Open signal is exported to electromagnetic switch valve, turns on electromagnetic switch valve.
The control method that the present embodiment provides can control electromagnetic switch valve to turn on, so as to realize the gas to lubrication piping
Rinse, prevent the blocking of lubrication piping and lubrication hole, ensured that the piston lubrication to concrete cylinder is unobstructed, and then reduce concrete
The abrasion risk of cylinder.
As a preferred embodiment of control method provided by the invention, step 1 specifically includes:
When the piston commutation output concrete of concrete cylinder, electricity is determined according to the piston of the concrete cylinder current commutation cycle
The first of magnetic switch valve opens the cycle and first and opens the duration;
And opened according to the first of electromagnetic switch valve the unlatching cycle and the first unlatching duration output open signal to electromagnetism
Valve is closed, electromagnetic switch valve conduction first is opened the duration and opens cycle progress periodicity conducting with first.
As the another preferred embodiment of control method provided by the invention, concrete cylinder and pressure in the pistion lubrication system
Control switch valve is respectively two, and the lubrication hole exported respectively with two concrete cylinders of two votage control switch valves is connected;Surge profit
Sliding device is two-wire oil header, and two oil inlets of two-wire oil header are connected with grease pump respectively, two-wire
First import of two oil-outs of oil header respectively with two votage control switch valves is connected;Electromagnetic switch valve is with two
The solenoid directional control valve of individual operating position, corresponding two concrete cylinders in two operating positions be connected to source of the gas and the second import it
Between;Pistion lubrication system, in addition to:The tilt cylinder that swingable S valves and driving S valves is swung, the feeding mouth of S valves can replace and two
Rodless cavity or the rod chamber connection of individual concrete cylinder, the discharging opening of S valves can connect with material delivery pipe;
Determine that the first of electromagnetic switch valve opens cycle and the first unlatching according to the piston of the concrete cylinder current commutation cycle
Duration, it is specially:
Determine that the first of electromagnetic switch valve opens cycle and the first unlatching duration according to the current commutation cycle of tilt cylinder.
When pistion lubrication system also includes:Flow detector, it is serially connected with the fuel-displaced of the first import and hydrodynamic lubrication device
Between mouthful, when lubricating the flow of lubrication of concrete cylinder each time for detecting, as control method provided by the invention again
One preferred embodiment, the control method further comprise:
When the continuous first setting number of flow of lubrication is less than the blocking Alarm flow of setting, according to electromagnetic switch valve
First unlatching cycle determined for the second unlatching cycle, and determined that the second unlatching is held according to the first of electromagnetic switch valve the unlatching duration
The continuous time;
The cycle and second is opened according to second and opens duration output open signal to electromagnetic switch valve, makes electromagnetic switch
Valve conduction second opens the duration and opens cycle progress periodicity conducting with second, wherein, when the second unlatching continues
Between be more than first open the duration.
When pistion lubrication system also includes:When flow detector and warning device, as controlling party provided by the invention
The another preferred embodiment of method, the control method further comprise:
When the continuous second setting number of flow of lubrication is less than the leakage Alarm flow of setting and continuous 3rd setting number
Not less than setting blocking Alarm flow when, output leakage alarm signal makes warning device send leakage alarm to warning device.
When pistion lubrication system also includes:When flow detector and warning device, as controlling party provided by the invention
The another preferred embodiment of method, the control method further comprise:
When the continuous 4th setting number of flow of lubrication is less than the blocking Alarm flow of setting, output blocks alarm signal
To warning device, warning device is set to send blocking alarm.
The beneficial effect of above example is the same, is not repeated herein and repeats.
Based on identical inventive concept, as shown in Figure 10, eleventh embodiment of the invention is additionally provided before one kind is applied to
The control device of the pistion lubrication system of any embodiment offer is provided, wherein, the switch valve of pistion lubrication system is electromagnetic switch
Valve, the control device, including:First processing module 100, for exporting open signal to electromagnetic switch valve, make electromagnetic switch valve
Conducting.
The control device that the present embodiment provides can control electromagnetic switch valve to turn on, so as to realize the gas to lubrication piping
Rinse, prevent the blocking of lubrication piping and lubrication hole, ensured that the piston lubrication to concrete cylinder is unobstructed, and then reduce concrete
The abrasion risk of cylinder.
As in a preferred embodiment of control device provided by the invention, first processing module 100 is mixed specifically for working as
During the piston commutation output concrete of solidifying olla, the of electromagnetic switch valve is determined according to the piston of the concrete cylinder current commutation cycle
One, which opens the cycle and first, opens the duration, and opens the cycle and first according to the first of electromagnetic switch valve and open the duration
Open signal is exported to electromagnetic switch valve, electromagnetic switch valve conduction first is opened the duration and opens the cycle with first
Carry out periodicity conducting.
When the concrete cylinder and votage control switch valve of pistion lubrication system are respectively two, the outlet of two votage control switch valves divides
Lubrication hole not with two concrete cylinders is connected;Hydrodynamic lubrication device is two-wire oil header, two-wire oil header
Two oil inlets be connected respectively with grease pump, two oil-outs of two-wire oil header respectively with two votage control switches
First import of valve is connected;Electromagnetic switch valve is the solenoid directional control valve with two operating positions, and two operating positions correspond to two
Individual concrete cylinder is connected between source of the gas and the second import;Pistion lubrication system, in addition to:Swingable S valves and drive
The tilt cylinder that dynamic S valves are swung, the feeding mouths of S valves can replace to be connected with the rodless cavity of two concrete cylinders or rod chamber, the discharging of S valves
When mouth can connect with material delivery pipe;As the first processing module in a preferred embodiment of control device provided by the invention
100, specifically for determining that the first unlatching cycle of electromagnetic switch valve and the first unlatching continue according to the current commutation cycle of tilt cylinder
Time.
When pistion lubrication system also includes:Flow detector, it is serially connected with the fuel-displaced of the first import and hydrodynamic lubrication device
Between mouthful, when lubricating the flow of lubrication of concrete cylinder each time for detecting, as control device provided by the invention again
One preferred embodiment, as shown in figure 11, the control device further comprise:
Stream is guarded against in Second processing module 200, the blocking for being less than setting when the continuous first setting number of flow of lubrication
During amount, the second unlatching cycle was determined according to the first of electromagnetic switch valve the unlatching cycle, and open according to the first of electromagnetic switch valve
Duration determined for the second unlatching duration;The cycle and second, which is opened, according to second opens duration output open signal extremely
Electromagnetic switch valve, electromagnetic switch valve conduction second is set to open the duration and with the second unlatching cycle periodically lead
It is logical, wherein, second, which opens the duration, opens the duration more than first.
When pistion lubrication system also includes:When flow detector and warning device, as control dress provided by the invention
The another preferred embodiment put, as shown in figure 11, the control device further comprise:
Stream is guarded against in 3rd processing module 300, the leakage for being less than setting when the continuous second setting number of flow of lubrication
Amount and it is continuous 3rd setting number not less than setting blocking Alarm flow when, output leakage alarm signal to warning device, make
Warning device sends leakage alarm.
When pistion lubrication system also includes:When flow detector and warning device, as control dress provided by the invention
The another preferred embodiment put, as shown in figure 11, the control device further comprise:
Stream is guarded against in fourth processing module 400, the blocking for being less than setting when the continuous 4th setting number of flow of lubrication
During amount, output blocks alarm signal to warning device, warning device is sent blocking alarm.
The beneficial effect of above example is the same, is not repeated herein and repeats.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, can also
That unit is individually physically present, can also two or more units be integrated in a module.Above-mentioned integrated mould
Block can both be realized in the form of hardware, can also be realized in the form of software function module.If integrated module with
The form of software function module realize and be used as independent production marketing or in use, can also be stored in one it is computer-readable
Take in storage medium.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (24)
1. a kind of pistion lubrication system of concrete cylinder, including:
Grease pump;
Concrete cylinder with lubrication hole;
Hydrodynamic lubrication device, has oil inlet and oil-out, and the oil inlet is connected with the grease pump;
Characterized in that, the pistion lubrication system also includes:Source of the gas, votage control switch valve and switch valve,
The votage control switch valve, there is the first import, the second inlet and outlet, first import and the hydrodynamic lubrication device
Oil-out be connected, the outlet is connected with the lubrication hole;
The air inlet of the switch valve is connected with the source of the gas, and the gas outlet of the switch valve is connected with second import;When
During the switch valve conducting, the gas of the source of the gas enters the lubrication hole through the votage control switch valve.
2. the pistion lubrication system of concrete cylinder as claimed in claim 1, it is characterised in that the switch valve is electromagnetic switch
Valve;The pistion lubrication system also includes:
Control device, it is connected with the electromagnetic switch valve signal, for exporting open signal to electromagnetic switch valve, makes the electromagnetism
Switch valve turns on.
3. the pistion lubrication system of concrete cylinder as claimed in claim 2, it is characterised in that the open signal is periodically
Open signal, the control device, specifically for when the concrete cylinder piston commutation output concrete when, according to concrete
The piston current commutation cycle of cylinder determines that the first of the electromagnetic switch valve opens cycle and the first unlatching duration, and according to
The first of the electromagnetic switch valve opens the cycle and first and opens duration output open signal to electromagnetic switch valve, makes described
First opens the duration and opens cycle progress periodicity conducting with described first described in electromagnetic switch valve conduction.
4. the pistion lubrication system of concrete cylinder as claimed in claim 3, it is characterised in that the concrete cylinder and voltage-controlled open
It is respectively two to close valve, and the lubrication hole exported respectively with described two concrete cylinders of described two votage control switch valves is connected;Institute
It is two-wire oil header to state hydrodynamic lubrication device, two oil inlets of the two-wire oil header respectively with the profit
Oil pump is connected, two oil-outs the first import with described two votage control switch valves respectively of the two-wire oil header
It is connected;The electromagnetic switch valve is the solenoid directional control valve with two operating positions, and described two operating positions correspond to described two
Individual concrete cylinder is connected between the source of the gas and second import.
5. the pistion lubrication system of concrete cylinder as claimed in claim 4, it is characterised in that the pistion lubrication system, also
Including:The tilt cylinder that swingable S valves and driving S valves is swung, feeding mouth alternating and the described two concrete cylinders of the S valves
Rodless cavity or rod chamber connection, the discharging opening of the S valves connect with material delivery pipe;
The control device is specifically used for determining that the first of the electromagnetic switch valve opens according to the current commutation cycle of the tilt cylinder
Open the cycle and first and open the duration.
6. the pistion lubrication system of concrete cylinder as claimed in claim 3, it is characterised in that the pistion lubrication system also wraps
Include:
Flow detector, it is serially connected between the oil-out of first import and the hydrodynamic lubrication device, it is every for detecting
Once lubricate the flow of lubrication of the concrete cylinder;
The control device, further it is connected with the flow detector signal, for when the flow of lubrication continuous
When one setting number is less than the blocking Alarm flow of setting, determine that second opens according to the first of the electromagnetic switch valve the unlatching cycle
Open the cycle, and the second unlatching duration was determined according to the first of the electromagnetic switch valve the unlatching duration;According to described
Two, which open the cycle and second, opens duration output open signal to electromagnetic switch valve, makes the electromagnetic switch valve conduction
Described second opens the duration and opens cycle progress periodicity conducting with described second, wherein, second unlatching continues
Time is more than described first and opens the duration.
7. the pistion lubrication system of the concrete cylinder as described in claim 2~6 is any, it is characterised in that the piston lubrication
System also includes:Flow detector and warning device, wherein,
The flow detector, it is serially connected between the oil-out of first import and the hydrodynamic lubrication device, for examining
Survey the flow of lubrication for lubricating the concrete cylinder each time;
The control device, further it is connected respectively with the flow detector and warning device signal, for when the profit
The continuous second setting number of oil flow is less than the leakage Alarm flow of setting and continuous 3rd setting number is not less than setting
When blocking Alarm flow, output leakage alarm signal to the warning device, the warning device is set to send leakage alarm.
8. the pistion lubrication system of the concrete cylinder as described in claim 2~6 is any, it is characterised in that the piston lubrication
System also includes:Flow detector and warning device, wherein,
The flow detector, it is serially connected between the oil-out of first import and the hydrodynamic lubrication device, for examining
Survey the flow of lubrication for lubricating the concrete cylinder each time;
The control device, further it is connected respectively with the flow detector and warning device signal, for when the profit
When the continuous 4th setting number of oil flow is less than the blocking Alarm flow of setting, output blocks alarm signal to the alarm dress
Put, the warning device is sent blocking alarm.
9. the pistion lubrication system of concrete cylinder as claimed in claim 1, it is characterised in that also include:It is connected to described open
Close the pressure-reducing valve between the air inlet of valve and the source of the gas.
10. the pistion lubrication system of concrete cylinder as claimed in claim 1, it is characterised in that also include:It is connected to the pressure
Control the screen pack between the outlet of switch valve and the lubrication hole.
11. the pistion lubrication system of concrete cylinder as claimed in claim 1, it is characterised in that the votage control switch valve is shuttle
Valve;Or the votage control switch valve includes cooling gas check valve and liquid non-return valve, the air inlet of the cooling gas check valve with it is described
The gas outlet of switch valve is connected, and the gas outlet of the cooling gas check valve is connected with the lubrication hole, and the liquid non-return valve enters
Hydraulic fluid port is connected with the oil-out of the hydrodynamic lubrication device, and the oil-out of the liquid non-return valve is connected with the lubrication hole.
12. a kind of pumping equipment, it is characterised in that include the piston of the concrete cylinder as described in any one of claim 1~11
Lubricating system.
13. a kind of control method of the pistion lubrication system of concrete cylinder applied to described in claim 1, wherein, the work
The switch valve for filling in lubricating system is electromagnetic switch valve, and the control method includes:
Open signal is exported to electromagnetic switch valve, turns on the electromagnetic switch valve.
14. control method as claimed in claim 13, it is characterised in that the output open signal makes to electromagnetic switch valve
The electromagnetic switch valve conducting, it is specially:
When the piston commutation output concrete of the concrete cylinder, institute is determined according to the piston of the concrete cylinder current commutation cycle
State the first of electromagnetic switch valve and open cycle and the first unlatching duration, and week is opened according to the first of the electromagnetic switch valve
Phase and first opens duration output open signal to electromagnetic switch valve, makes first described in the electromagnetic switch valve conduction
Open the duration and open cycle progress periodicity conducting with described first.
15. control method as claimed in claim 14, it is characterised in that concrete cylinder and the votage control switch valve is respectively two
Individual, the lubrication hole exported respectively with described two concrete cylinders of described two votage control switch valves is connected;The hydrodynamic lubrication dress
Two-wire oil header is set to, two oil inlets of the two-wire oil header are connected with the grease pump respectively,
First import of two oil-outs of the two-wire oil header respectively with described two votage control switch valves is connected;The electricity
Magnetic switch valve is the solenoid directional control valve with two operating positions, and described two operating positions correspond to described two concrete cylinders point
It is not connected between the source of the gas and second import;The pistion lubrication system, in addition to:Swingable S valves and drive
The tilt cylinder that dynamic S valves are swung, the feeding mouth of the S valves alternately connect with the rodless cavity or rod chamber of described two concrete cylinders, institute
The discharging opening for stating S valves connects with material delivery pipe;
The piston according to the concrete cylinder current commutation cycle determines that the first of the electromagnetic switch valve opens the cycle and first
The duration is opened, is specially:
Determine that the first unlatching cycle of the electromagnetic switch valve and the first unlatching continue according to the current commutation cycle of the tilt cylinder
Time.
16. control method as claimed in claim 14, it is characterised in that the pistion lubrication system also includes:Flow detection
Device;The control method further comprises:
When the continuous first setting number of flow of lubrication is less than the blocking Alarm flow of setting, according to the electromagnetic switch valve
First unlatching cycle determined for the second unlatching cycle, and determined that second opens according to the first of the electromagnetic switch valve the unlatching duration
Open the duration;The cycle and second is opened according to described second and opens duration output open signal to electromagnetic switch valve, is made
Second opens the duration and opens cycle progress periodicity conducting with described second described in the electromagnetic switch valve conduction,
Wherein, described second the duration is opened more than the described first unlatching duration.
17. control method as claimed in claim 16, it is characterised in that the pistion lubrication system also includes warning device
When;The control method further comprises:
When the continuous second setting number of the flow of lubrication is less than the leakage Alarm flow of setting and continuous 3rd setting number
Not less than setting blocking Alarm flow when, output leakage alarm signal to the warning device, send the warning device
Leakage alarm.
18. control method as claimed in claim 16, it is characterised in that the pistion lubrication system also includes warning device
When;The control method further comprises:
When the continuous 4th setting number of the flow of lubrication is less than the blocking Alarm flow of setting, output blocks alarm signal
To the warning device, the warning device is set to send blocking alarm.
19. a kind of control device of the pistion lubrication system of concrete cylinder applied to described in claim 1, wherein, the work
The switch valve for filling in lubricating system is electromagnetic switch valve, and the control device includes:
First processing module, for exporting open signal to electromagnetic switch valve, turn on the electromagnetic switch valve.
20. control device as claimed in claim 19, it is characterised in that the first processing module, specifically for when described
During the piston commutation output concrete of concrete cylinder, the electromagnetic switch is determined according to the piston of the concrete cylinder current commutation cycle
The first of valve opens the cycle and first and opened the duration, and is opened according to the first of the electromagnetic switch valve the unlatching cycle and first
Opening the duration exports open signal to electromagnetic switch valve, when making described in the electromagnetic switch valve conduction first to open to continue
Between and with described first open the cycle carry out periodicity conducting.
21. control device as claimed in claim 20, it is characterised in that concrete cylinder and the votage control switch valve is respectively two
Individual, the lubrication hole exported respectively with described two concrete cylinders of described two votage control switch valves is connected;The hydrodynamic lubrication dress
Two-wire oil header is set to, two oil inlets of the two-wire oil header are connected with the grease pump respectively,
First import of two oil-outs of the two-wire oil header respectively with described two votage control switch valves is connected;The electricity
Magnetic switch valve is the solenoid directional control valve with two operating positions, and described two operating positions correspond to described two concrete cylinders point
It is not connected between the source of the gas and second import;The pistion lubrication system, in addition to:Swingable S valves and drive
The tilt cylinder that dynamic S valves are swung, the feeding mouth of the S valves alternately connect with the rodless cavity or rod chamber of described two concrete cylinders, institute
The discharging opening for stating S valves connects with material delivery pipe;
The first processing module, specifically for determining the of the electromagnetic switch valve according to the current commutation cycle of the tilt cylinder
One, which opens the cycle and first, opens the duration.
22. control device as claimed in claim 19, it is characterised in that the pistion lubrication system also includes flow detection and filled
Put;The control device further comprises:
Second processing module, for when flow of lubrication it is continuous first setting number be less than setting blocking Alarm flow when, root
Determined for the second unlatching cycle according to the first unlatching cycle of the electromagnetic switch valve, and opened according to the first of the electromagnetic switch valve
Duration determined for the second unlatching duration;The cycle and second, which is opened, according to described second opens duration output unlatching letter
Number to electromagnetic switch valve, second is set described in the electromagnetic switch valve conduction to open the duration and open week with described second
Phase carries out periodicity conducting, wherein, described second, which opens the duration, opens the duration more than described first.
23. control device as claimed in claim 22, it is characterised in that the pistion lubrication system also includes warning device
When;The control device further comprises:
3rd processing module, for when the flow of lubrication it is continuous second setting number be less than setting leakage Alarm flow and
When continuous 3rd setting number is not less than the blocking Alarm flow set, output leakage alarm signal makes to the warning device
The warning device sends leakage alarm.
24. control device as claimed in claim 22, it is characterised in that the pistion lubrication system also includes warning device
When;The control device further comprises:
Fourth processing module, for being less than the blocking Alarm flow of setting when the continuous 4th setting number of the flow of lubrication
When, output blocks alarm signal to the warning device, the warning device is sent blocking alarm.
Priority Applications (1)
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CN201410414362.5A CN105443373B (en) | 2014-08-21 | 2014-08-21 | Piston lubricating system of concrete cylinder, control method and device thereof and pumping equipment |
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CN201410414362.5A CN105443373B (en) | 2014-08-21 | 2014-08-21 | Piston lubricating system of concrete cylinder, control method and device thereof and pumping equipment |
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CN105443373B true CN105443373B (en) | 2018-01-09 |
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CN109030062A (en) * | 2018-07-26 | 2018-12-18 | 美丽国土(北京)生态环境工程技术研究院有限公司 | Soil repair system and soil remediation method |
CN111347026A (en) * | 2020-03-23 | 2020-06-30 | 台州晟世机械有限公司 | Intelligent punch lubricating machine controller and control method thereof |
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AT220191B (en) * | 1960-05-14 | 1962-03-12 | Friedmann Kg Alex | Device for spraying liquid using compressed air |
US4420028A (en) * | 1980-10-29 | 1983-12-13 | Outboard Marine Corporation | Lubrication system for a die casting machine |
CN2937124Y (en) * | 2006-08-29 | 2007-08-22 | 新疆屯河聚酯有限责任公司 | Flushing pipe for preventing block in running process of esterification pump |
CN201680132U (en) * | 2010-04-14 | 2010-12-22 | 胡安方 | Double-line type lubricating device of concrete conveying equipment |
CN102042217B (en) * | 2010-09-19 | 2013-03-13 | 中联重科股份有限公司 | Piston lubricating system of concrete cylinder |
CN102943951B (en) * | 2012-11-27 | 2014-12-24 | 中联重科股份有限公司 | Lubricating device and concrete mechanical equipment comprising same |
CN203604193U (en) * | 2013-10-31 | 2014-05-21 | 三一汽车制造有限公司 | Pumping machine |
CN103967772B (en) * | 2014-05-26 | 2016-06-22 | 三一汽车制造有限公司 | A kind of concrete pump and concrete piston lubricating system thereof |
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